diff options
Diffstat (limited to 'builtin')
81 files changed, 4980 insertions, 7429 deletions
diff --git a/builtin/add.c b/builtin/add.c index e8fb80b..9f53f02 100644 --- a/builtin/add.c +++ b/builtin/add.c @@ -361,7 +361,7 @@ int cmd_add(int argc, const char **argv, const char *prefix) add_new_files = !take_worktree_changes && !refresh_only; require_pathspec = !(take_worktree_changes || (0 < addremove_explicit)); - hold_locked_index(&lock_file, 1); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); flags = ((verbose ? ADD_CACHE_VERBOSE : 0) | (show_only ? ADD_CACHE_PRETEND : 0) | diff --git a/builtin/am.c b/builtin/am.c index 9daeb27..805f56c 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -28,6 +28,7 @@ #include "rerere.h" #include "prompt.h" #include "mailinfo.h" +#include "apply.h" #include "string-list.h" /** @@ -109,7 +110,7 @@ struct am_state { size_t msg_len; /* when --rebasing, records the original commit the patch came from */ - unsigned char orig_commit[GIT_SHA1_RAWSZ]; + struct object_id orig_commit; /* number of digits in patch filename */ int prec; @@ -415,8 +416,8 @@ static void am_load(struct am_state *state) read_commit_msg(state); if (read_state_file(&sb, state, "original-commit", 1) < 0) - hashclr(state->orig_commit); - else if (get_sha1_hex(sb.buf, state->orig_commit) < 0) + oidclr(&state->orig_commit); + else if (get_oid_hex(sb.buf, &state->orig_commit) < 0) die(_("could not parse %s"), am_path(state, "original-commit")); read_state_file(&sb, state, "threeway", 1); @@ -542,14 +543,14 @@ static int copy_notes_for_rebase(const struct am_state *state) fp = xfopen(am_path(state, "rewritten"), "r"); while (!strbuf_getline_lf(&sb, fp)) { - unsigned char from_obj[GIT_SHA1_RAWSZ], to_obj[GIT_SHA1_RAWSZ]; + struct object_id from_obj, to_obj; if (sb.len != GIT_SHA1_HEXSZ * 2 + 1) { ret = error(invalid_line, sb.buf); goto finish; } - if (get_sha1_hex(sb.buf, from_obj)) { + if (get_oid_hex(sb.buf, &from_obj)) { ret = error(invalid_line, sb.buf); goto finish; } @@ -559,14 +560,14 @@ static int copy_notes_for_rebase(const struct am_state *state) goto finish; } - if (get_sha1_hex(sb.buf + GIT_SHA1_HEXSZ + 1, to_obj)) { + if (get_oid_hex(sb.buf + GIT_SHA1_HEXSZ + 1, &to_obj)) { ret = error(invalid_line, sb.buf); goto finish; } - if (copy_note_for_rewrite(c, from_obj, to_obj)) + if (copy_note_for_rewrite(c, from_obj.hash, to_obj.hash)) ret = error(_("Failed to copy notes from '%s' to '%s'"), - sha1_to_hex(from_obj), sha1_to_hex(to_obj)); + oid_to_hex(&from_obj), oid_to_hex(&to_obj)); } finish: @@ -761,14 +762,18 @@ static int split_mail_conv(mail_conv_fn fn, struct am_state *state, mail = mkpath("%s/%0*d", state->dir, state->prec, i + 1); out = fopen(mail, "w"); - if (!out) + if (!out) { + if (in != stdin) + fclose(in); return error_errno(_("could not open '%s' for writing"), mail); + } ret = fn(out, in, keep_cr); fclose(out); - fclose(in); + if (in != stdin) + fclose(in); if (ret) return error(_("could not parse patch '%s'"), *paths); @@ -972,7 +977,7 @@ static int split_mail(struct am_state *state, enum patch_format patch_format, static void am_setup(struct am_state *state, enum patch_format patch_format, const char **paths, int keep_cr) { - unsigned char curr_head[GIT_SHA1_RAWSZ]; + struct object_id curr_head; const char *str; struct strbuf sb = STRBUF_INIT; @@ -1040,15 +1045,15 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, else write_state_text(state, "applying", ""); - if (!get_sha1("HEAD", curr_head)) { - write_state_text(state, "abort-safety", sha1_to_hex(curr_head)); + if (!get_oid("HEAD", &curr_head)) { + write_state_text(state, "abort-safety", oid_to_hex(&curr_head)); if (!state->rebasing) - update_ref("am", "ORIG_HEAD", curr_head, NULL, 0, + update_ref_oid("am", "ORIG_HEAD", &curr_head, NULL, 0, UPDATE_REFS_DIE_ON_ERR); } else { write_state_text(state, "abort-safety", ""); if (!state->rebasing) - delete_ref("ORIG_HEAD", NULL, 0); + delete_ref(NULL, "ORIG_HEAD", NULL, 0); } /* @@ -1068,7 +1073,7 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, */ static void am_next(struct am_state *state) { - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; free(state->author_name); state->author_name = NULL; @@ -1086,11 +1091,11 @@ static void am_next(struct am_state *state) unlink(am_path(state, "author-script")); unlink(am_path(state, "final-commit")); - hashclr(state->orig_commit); + oidclr(&state->orig_commit); unlink(am_path(state, "original-commit")); - if (!get_sha1("HEAD", head)) - write_state_text(state, "abort-safety", sha1_to_hex(head)); + if (!get_oid("HEAD", &head)) + write_state_text(state, "abort-safety", oid_to_hex(&head)); else write_state_text(state, "abort-safety", ""); @@ -1118,7 +1123,7 @@ static void refresh_and_write_cache(void) { struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, 1); + hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); refresh_cache(REFRESH_QUIET); if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) die(_("unable to write index file")); @@ -1132,17 +1137,17 @@ static void refresh_and_write_cache(void) */ static int index_has_changes(struct strbuf *sb) { - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; int i; - if (!get_sha1_tree("HEAD", head)) { + if (!get_sha1_tree("HEAD", head.hash)) { struct diff_options opt; diff_setup(&opt); DIFF_OPT_SET(&opt, EXIT_WITH_STATUS); if (!sb) DIFF_OPT_SET(&opt, QUICK); - do_diff_cache(head, &opt); + do_diff_cache(head.hash, &opt); diffcore_std(&opt); for (i = 0; sb && i < diff_queued_diff.nr; i++) { if (i) @@ -1349,7 +1354,7 @@ finish: * Sets commit_id to the commit hash where the mail was generated from. * Returns 0 on success, -1 on failure. */ -static int get_mail_commit_sha1(unsigned char *commit_id, const char *mail) +static int get_mail_commit_oid(struct object_id *commit_id, const char *mail) { struct strbuf sb = STRBUF_INIT; FILE *fp = xfopen(mail, "r"); @@ -1361,7 +1366,7 @@ static int get_mail_commit_sha1(unsigned char *commit_id, const char *mail) if (!skip_prefix(sb.buf, "From ", &x)) return -1; - if (get_sha1_hex(x, commit_id) < 0) + if (get_oid_hex(x, commit_id) < 0) return -1; strbuf_release(&sb); @@ -1451,12 +1456,12 @@ static void write_commit_patch(const struct am_state *state, struct commit *comm static void write_index_patch(const struct am_state *state) { struct tree *tree; - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; struct rev_info rev_info; FILE *fp; - if (!get_sha1_tree("HEAD", head)) - tree = lookup_tree(head); + if (!get_sha1_tree("HEAD", head.hash)) + tree = lookup_tree(head.hash); else tree = lookup_tree(EMPTY_TREE_SHA1_BIN); @@ -1486,19 +1491,19 @@ static void write_index_patch(const struct am_state *state) static int parse_mail_rebase(struct am_state *state, const char *mail) { struct commit *commit; - unsigned char commit_sha1[GIT_SHA1_RAWSZ]; + struct object_id commit_oid; - if (get_mail_commit_sha1(commit_sha1, mail) < 0) + if (get_mail_commit_oid(&commit_oid, mail) < 0) die(_("could not parse %s"), mail); - commit = lookup_commit_or_die(commit_sha1, mail); + commit = lookup_commit_or_die(commit_oid.hash, mail); get_commit_info(state, commit); write_commit_patch(state, commit); - hashcpy(state->orig_commit, commit_sha1); - write_state_text(state, "original-commit", sha1_to_hex(commit_sha1)); + oidcpy(&state->orig_commit, &commit_oid); + write_state_text(state, "original-commit", oid_to_hex(&commit_oid)); return 0; } @@ -1509,39 +1514,59 @@ static int parse_mail_rebase(struct am_state *state, const char *mail) */ static int run_apply(const struct am_state *state, const char *index_file) { - struct child_process cp = CHILD_PROCESS_INIT; - - cp.git_cmd = 1; - - if (index_file) - argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s", index_file); + struct argv_array apply_paths = ARGV_ARRAY_INIT; + struct argv_array apply_opts = ARGV_ARRAY_INIT; + struct apply_state apply_state; + int res, opts_left; + static struct lock_file lock_file; + int force_apply = 0; + int options = 0; + + if (init_apply_state(&apply_state, NULL, &lock_file)) + die("BUG: init_apply_state() failed"); + + argv_array_push(&apply_opts, "apply"); + argv_array_pushv(&apply_opts, state->git_apply_opts.argv); + + opts_left = apply_parse_options(apply_opts.argc, apply_opts.argv, + &apply_state, &force_apply, &options, + NULL); + + if (opts_left != 0) + die("unknown option passed through to git apply"); + + if (index_file) { + apply_state.index_file = index_file; + apply_state.cached = 1; + } else + apply_state.check_index = 1; /* * If we are allowed to fall back on 3-way merge, don't give false * errors during the initial attempt. */ - if (state->threeway && !index_file) { - cp.no_stdout = 1; - cp.no_stderr = 1; - } + if (state->threeway && !index_file) + apply_state.apply_verbosity = verbosity_silent; - argv_array_push(&cp.args, "apply"); + if (check_apply_state(&apply_state, force_apply)) + die("BUG: check_apply_state() failed"); - argv_array_pushv(&cp.args, state->git_apply_opts.argv); + argv_array_push(&apply_paths, am_path(state, "patch")); - if (index_file) - argv_array_push(&cp.args, "--cached"); - else - argv_array_push(&cp.args, "--index"); + res = apply_all_patches(&apply_state, apply_paths.argc, apply_paths.argv, options); - argv_array_push(&cp.args, am_path(state, "patch")); + argv_array_clear(&apply_paths); + argv_array_clear(&apply_opts); + clear_apply_state(&apply_state); - if (run_command(&cp)) - return -1; + if (res) + return res; - /* Reload index as git-apply will have modified it. */ - discard_cache(); - read_cache_from(index_file ? index_file : get_index_file()); + if (index_file) { + /* Reload index as apply_all_patches() will have modified it. */ + discard_cache(); + read_cache_from(index_file); + } return 0; } @@ -1652,9 +1677,8 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa */ static void do_commit(const struct am_state *state) { - unsigned char tree[GIT_SHA1_RAWSZ], parent[GIT_SHA1_RAWSZ], - commit[GIT_SHA1_RAWSZ]; - unsigned char *ptr; + struct object_id tree, parent, commit; + const struct object_id *old_oid; struct commit_list *parents = NULL; const char *reflog_msg, *author; struct strbuf sb = STRBUF_INIT; @@ -1662,14 +1686,14 @@ static void do_commit(const struct am_state *state) if (run_hook_le(NULL, "pre-applypatch", NULL)) exit(1); - if (write_cache_as_tree(tree, 0, NULL)) + if (write_cache_as_tree(tree.hash, 0, NULL)) die(_("git write-tree failed to write a tree")); - if (!get_sha1_commit("HEAD", parent)) { - ptr = parent; - commit_list_insert(lookup_commit(parent), &parents); + if (!get_sha1_commit("HEAD", parent.hash)) { + old_oid = &parent; + commit_list_insert(lookup_commit(parent.hash), &parents); } else { - ptr = NULL; + old_oid = NULL; say(state, stderr, _("applying to an empty history")); } @@ -1681,7 +1705,7 @@ static void do_commit(const struct am_state *state) setenv("GIT_COMMITTER_DATE", state->ignore_date ? "" : state->author_date, 1); - if (commit_tree(state->msg, state->msg_len, tree, parents, commit, + if (commit_tree(state->msg, state->msg_len, tree.hash, parents, commit.hash, author, state->sign_commit)) die(_("failed to write commit object")); @@ -1692,14 +1716,15 @@ static void do_commit(const struct am_state *state) strbuf_addf(&sb, "%s: %.*s", reflog_msg, linelen(state->msg), state->msg); - update_ref(sb.buf, "HEAD", commit, ptr, 0, UPDATE_REFS_DIE_ON_ERR); + update_ref_oid(sb.buf, "HEAD", &commit, old_oid, 0, + UPDATE_REFS_DIE_ON_ERR); if (state->rebasing) { FILE *fp = xfopen(am_path(state, "rewritten"), "a"); - assert(!is_null_sha1(state->orig_commit)); - fprintf(fp, "%s ", sha1_to_hex(state->orig_commit)); - fprintf(fp, "%s\n", sha1_to_hex(commit)); + assert(!is_null_oid(&state->orig_commit)); + fprintf(fp, "%s ", oid_to_hex(&state->orig_commit)); + fprintf(fp, "%s\n", oid_to_hex(&commit)); fclose(fp); } @@ -1955,7 +1980,7 @@ static int fast_forward_to(struct tree *head, struct tree *remote, int reset) return -1; lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, 1); + hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); refresh_cache(REFRESH_QUIET); @@ -1995,7 +2020,7 @@ static int merge_tree(struct tree *tree) return -1; lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, 1); + hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); memset(&opts, 0, sizeof(opts)); opts.head_idx = 1; @@ -2020,30 +2045,30 @@ static int merge_tree(struct tree *tree) * Clean the index without touching entries that are not modified between * `head` and `remote`. */ -static int clean_index(const unsigned char *head, const unsigned char *remote) +static int clean_index(const struct object_id *head, const struct object_id *remote) { struct tree *head_tree, *remote_tree, *index_tree; - unsigned char index[GIT_SHA1_RAWSZ]; + struct object_id index; - head_tree = parse_tree_indirect(head); + head_tree = parse_tree_indirect(head->hash); if (!head_tree) - return error(_("Could not parse object '%s'."), sha1_to_hex(head)); + return error(_("Could not parse object '%s'."), oid_to_hex(head)); - remote_tree = parse_tree_indirect(remote); + remote_tree = parse_tree_indirect(remote->hash); if (!remote_tree) - return error(_("Could not parse object '%s'."), sha1_to_hex(remote)); + return error(_("Could not parse object '%s'."), oid_to_hex(remote)); read_cache_unmerged(); if (fast_forward_to(head_tree, head_tree, 1)) return -1; - if (write_cache_as_tree(index, 0, NULL)) + if (write_cache_as_tree(index.hash, 0, NULL)) return -1; - index_tree = parse_tree_indirect(index); + index_tree = parse_tree_indirect(index.hash); if (!index_tree) - return error(_("Could not parse object '%s'."), sha1_to_hex(index)); + return error(_("Could not parse object '%s'."), oid_to_hex(&index)); if (fast_forward_to(index_tree, remote_tree, 0)) return -1; @@ -2071,14 +2096,14 @@ static void am_rerere_clear(void) */ static void am_skip(struct am_state *state) { - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; am_rerere_clear(); - if (get_sha1("HEAD", head)) - hashcpy(head, EMPTY_TREE_SHA1_BIN); + if (get_oid("HEAD", &head)) + hashcpy(head.hash, EMPTY_TREE_SHA1_BIN); - if (clean_index(head, head)) + if (clean_index(&head, &head)) die(_("failed to clean index")); am_next(state); @@ -2096,24 +2121,24 @@ static void am_skip(struct am_state *state) static int safe_to_abort(const struct am_state *state) { struct strbuf sb = STRBUF_INIT; - unsigned char abort_safety[GIT_SHA1_RAWSZ], head[GIT_SHA1_RAWSZ]; + struct object_id abort_safety, head; if (file_exists(am_path(state, "dirtyindex"))) return 0; if (read_state_file(&sb, state, "abort-safety", 1) > 0) { - if (get_sha1_hex(sb.buf, abort_safety)) - die(_("could not parse %s"), am_path(state, "abort_safety")); + if (get_oid_hex(sb.buf, &abort_safety)) + die(_("could not parse %s"), am_path(state, "abort-safety")); } else - hashclr(abort_safety); + oidclr(&abort_safety); - if (get_sha1("HEAD", head)) - hashclr(head); + if (get_oid("HEAD", &head)) + oidclr(&head); - if (!hashcmp(head, abort_safety)) + if (!oidcmp(&head, &abort_safety)) return 1; - error(_("You seem to have moved HEAD since the last 'am' failure.\n" + warning(_("You seem to have moved HEAD since the last 'am' failure.\n" "Not rewinding to ORIG_HEAD")); return 0; @@ -2124,7 +2149,7 @@ static int safe_to_abort(const struct am_state *state) */ static void am_abort(struct am_state *state) { - unsigned char curr_head[GIT_SHA1_RAWSZ], orig_head[GIT_SHA1_RAWSZ]; + struct object_id curr_head, orig_head; int has_curr_head, has_orig_head; char *curr_branch; @@ -2135,23 +2160,23 @@ static void am_abort(struct am_state *state) am_rerere_clear(); - curr_branch = resolve_refdup("HEAD", 0, curr_head, NULL); - has_curr_head = !is_null_sha1(curr_head); + curr_branch = resolve_refdup("HEAD", 0, curr_head.hash, NULL); + has_curr_head = !is_null_oid(&curr_head); if (!has_curr_head) - hashcpy(curr_head, EMPTY_TREE_SHA1_BIN); + hashcpy(curr_head.hash, EMPTY_TREE_SHA1_BIN); - has_orig_head = !get_sha1("ORIG_HEAD", orig_head); + has_orig_head = !get_oid("ORIG_HEAD", &orig_head); if (!has_orig_head) - hashcpy(orig_head, EMPTY_TREE_SHA1_BIN); + hashcpy(orig_head.hash, EMPTY_TREE_SHA1_BIN); - clean_index(curr_head, orig_head); + clean_index(&curr_head, &orig_head); if (has_orig_head) - update_ref("am --abort", "HEAD", orig_head, - has_curr_head ? curr_head : NULL, 0, + update_ref_oid("am --abort", "HEAD", &orig_head, + has_curr_head ? &curr_head : NULL, 0, UPDATE_REFS_DIE_ON_ERR); else if (curr_branch) - delete_ref(curr_branch, NULL, REF_NODEREF); + delete_ref(NULL, curr_branch, NULL, REF_NODEREF); free(curr_branch); am_destroy(state); diff --git a/builtin/apply.c b/builtin/apply.c index 1a488f9..81b9a61 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -1,4793 +1,16 @@ -/* - * apply.c - * - * Copyright (C) Linus Torvalds, 2005 - * - * This applies patches on top of some (arbitrary) version of the SCM. - * - */ #include "cache.h" -#include "lockfile.h" -#include "cache-tree.h" -#include "quote.h" -#include "blob.h" -#include "delta.h" #include "builtin.h" -#include "string-list.h" -#include "dir.h" -#include "diff.h" #include "parse-options.h" -#include "xdiff-interface.h" -#include "ll-merge.h" -#include "rerere.h" - -enum ws_error_action { - nowarn_ws_error, - warn_on_ws_error, - die_on_ws_error, - correct_ws_error -}; - - -enum ws_ignore { - ignore_ws_none, - ignore_ws_change -}; - -/* - * We need to keep track of how symlinks in the preimage are - * manipulated by the patches. A patch to add a/b/c where a/b - * is a symlink should not be allowed to affect the directory - * the symlink points at, but if the same patch removes a/b, - * it is perfectly fine, as the patch removes a/b to make room - * to create a directory a/b so that a/b/c can be created. - * - * See also "struct string_list symlink_changes" in "struct - * apply_state". - */ -#define SYMLINK_GOES_AWAY 01 -#define SYMLINK_IN_RESULT 02 - -struct apply_state { - const char *prefix; - int prefix_length; - - /* These are lock_file related */ - struct lock_file *lock_file; - int newfd; - - /* These control what gets looked at and modified */ - int apply; /* this is not a dry-run */ - int cached; /* apply to the index only */ - int check; /* preimage must match working tree, don't actually apply */ - int check_index; /* preimage must match the indexed version */ - int update_index; /* check_index && apply */ - - /* These control cosmetic aspect of the output */ - int diffstat; /* just show a diffstat, and don't actually apply */ - int numstat; /* just show a numeric diffstat, and don't actually apply */ - int summary; /* just report creation, deletion, etc, and don't actually apply */ - - /* These boolean parameters control how the apply is done */ - int allow_overlap; - int apply_in_reverse; - int apply_with_reject; - int apply_verbosely; - int no_add; - int threeway; - int unidiff_zero; - int unsafe_paths; - - /* Other non boolean parameters */ - const char *fake_ancestor; - const char *patch_input_file; - int line_termination; - struct strbuf root; - int p_value; - int p_value_known; - unsigned int p_context; - - /* Exclude and include path parameters */ - struct string_list limit_by_name; - int has_include; - - /* Various "current state" */ - int linenr; /* current line number */ - struct string_list symlink_changes; /* we have to track symlinks */ - - /* - * For "diff-stat" like behaviour, we keep track of the biggest change - * we've seen, and the longest filename. That allows us to do simple - * scaling. - */ - int max_change; - int max_len; - - /* - * Records filenames that have been touched, in order to handle - * the case where more than one patches touch the same file. - */ - struct string_list fn_table; - - /* These control whitespace errors */ - enum ws_error_action ws_error_action; - enum ws_ignore ws_ignore_action; - const char *whitespace_option; - int whitespace_error; - int squelch_whitespace_errors; - int applied_after_fixing_ws; -}; +#include "lockfile.h" +#include "apply.h" static const char * const apply_usage[] = { N_("git apply [<options>] [<patch>...]"), NULL }; -static void parse_whitespace_option(struct apply_state *state, const char *option) -{ - if (!option) { - state->ws_error_action = warn_on_ws_error; - return; - } - if (!strcmp(option, "warn")) { - state->ws_error_action = warn_on_ws_error; - return; - } - if (!strcmp(option, "nowarn")) { - state->ws_error_action = nowarn_ws_error; - return; - } - if (!strcmp(option, "error")) { - state->ws_error_action = die_on_ws_error; - return; - } - if (!strcmp(option, "error-all")) { - state->ws_error_action = die_on_ws_error; - state->squelch_whitespace_errors = 0; - return; - } - if (!strcmp(option, "strip") || !strcmp(option, "fix")) { - state->ws_error_action = correct_ws_error; - return; - } - die(_("unrecognized whitespace option '%s'"), option); -} - -static void parse_ignorewhitespace_option(struct apply_state *state, - const char *option) -{ - if (!option || !strcmp(option, "no") || - !strcmp(option, "false") || !strcmp(option, "never") || - !strcmp(option, "none")) { - state->ws_ignore_action = ignore_ws_none; - return; - } - if (!strcmp(option, "change")) { - state->ws_ignore_action = ignore_ws_change; - return; - } - die(_("unrecognized whitespace ignore option '%s'"), option); -} - -static void set_default_whitespace_mode(struct apply_state *state) -{ - if (!state->whitespace_option && !apply_default_whitespace) - state->ws_error_action = (state->apply ? warn_on_ws_error : nowarn_ws_error); -} - -/* - * This represents one "hunk" from a patch, starting with - * "@@ -oldpos,oldlines +newpos,newlines @@" marker. The - * patch text is pointed at by patch, and its byte length - * is stored in size. leading and trailing are the number - * of context lines. - */ -struct fragment { - unsigned long leading, trailing; - unsigned long oldpos, oldlines; - unsigned long newpos, newlines; - /* - * 'patch' is usually borrowed from buf in apply_patch(), - * but some codepaths store an allocated buffer. - */ - const char *patch; - unsigned free_patch:1, - rejected:1; - int size; - int linenr; - struct fragment *next; -}; - -/* - * When dealing with a binary patch, we reuse "leading" field - * to store the type of the binary hunk, either deflated "delta" - * or deflated "literal". - */ -#define binary_patch_method leading -#define BINARY_DELTA_DEFLATED 1 -#define BINARY_LITERAL_DEFLATED 2 - -/* - * This represents a "patch" to a file, both metainfo changes - * such as creation/deletion, filemode and content changes represented - * as a series of fragments. - */ -struct patch { - char *new_name, *old_name, *def_name; - unsigned int old_mode, new_mode; - int is_new, is_delete; /* -1 = unknown, 0 = false, 1 = true */ - int rejected; - unsigned ws_rule; - int lines_added, lines_deleted; - int score; - unsigned int is_toplevel_relative:1; - unsigned int inaccurate_eof:1; - unsigned int is_binary:1; - unsigned int is_copy:1; - unsigned int is_rename:1; - unsigned int recount:1; - unsigned int conflicted_threeway:1; - unsigned int direct_to_threeway:1; - struct fragment *fragments; - char *result; - size_t resultsize; - char old_sha1_prefix[41]; - char new_sha1_prefix[41]; - struct patch *next; - - /* three-way fallback result */ - struct object_id threeway_stage[3]; -}; - -static void free_fragment_list(struct fragment *list) -{ - while (list) { - struct fragment *next = list->next; - if (list->free_patch) - free((char *)list->patch); - free(list); - list = next; - } -} - -static void free_patch(struct patch *patch) -{ - free_fragment_list(patch->fragments); - free(patch->def_name); - free(patch->old_name); - free(patch->new_name); - free(patch->result); - free(patch); -} - -static void free_patch_list(struct patch *list) -{ - while (list) { - struct patch *next = list->next; - free_patch(list); - list = next; - } -} - -/* - * A line in a file, len-bytes long (includes the terminating LF, - * except for an incomplete line at the end if the file ends with - * one), and its contents hashes to 'hash'. - */ -struct line { - size_t len; - unsigned hash : 24; - unsigned flag : 8; -#define LINE_COMMON 1 -#define LINE_PATCHED 2 -}; - -/* - * This represents a "file", which is an array of "lines". - */ -struct image { - char *buf; - size_t len; - size_t nr; - size_t alloc; - struct line *line_allocated; - struct line *line; -}; - -static uint32_t hash_line(const char *cp, size_t len) -{ - size_t i; - uint32_t h; - for (i = 0, h = 0; i < len; i++) { - if (!isspace(cp[i])) { - h = h * 3 + (cp[i] & 0xff); - } - } - return h; -} - -/* - * Compare lines s1 of length n1 and s2 of length n2, ignoring - * whitespace difference. Returns 1 if they match, 0 otherwise - */ -static int fuzzy_matchlines(const char *s1, size_t n1, - const char *s2, size_t n2) -{ - const char *last1 = s1 + n1 - 1; - const char *last2 = s2 + n2 - 1; - int result = 0; - - /* ignore line endings */ - while ((*last1 == '\r') || (*last1 == '\n')) - last1--; - while ((*last2 == '\r') || (*last2 == '\n')) - last2--; - - /* skip leading whitespaces, if both begin with whitespace */ - if (s1 <= last1 && s2 <= last2 && isspace(*s1) && isspace(*s2)) { - while (isspace(*s1) && (s1 <= last1)) - s1++; - while (isspace(*s2) && (s2 <= last2)) - s2++; - } - /* early return if both lines are empty */ - if ((s1 > last1) && (s2 > last2)) - return 1; - while (!result) { - result = *s1++ - *s2++; - /* - * Skip whitespace inside. We check for whitespace on - * both buffers because we don't want "a b" to match - * "ab" - */ - if (isspace(*s1) && isspace(*s2)) { - while (isspace(*s1) && s1 <= last1) - s1++; - while (isspace(*s2) && s2 <= last2) - s2++; - } - /* - * If we reached the end on one side only, - * lines don't match - */ - if ( - ((s2 > last2) && (s1 <= last1)) || - ((s1 > last1) && (s2 <= last2))) - return 0; - if ((s1 > last1) && (s2 > last2)) - break; - } - - return !result; -} - -static void add_line_info(struct image *img, const char *bol, size_t len, unsigned flag) -{ - ALLOC_GROW(img->line_allocated, img->nr + 1, img->alloc); - img->line_allocated[img->nr].len = len; - img->line_allocated[img->nr].hash = hash_line(bol, len); - img->line_allocated[img->nr].flag = flag; - img->nr++; -} - -/* - * "buf" has the file contents to be patched (read from various sources). - * attach it to "image" and add line-based index to it. - * "image" now owns the "buf". - */ -static void prepare_image(struct image *image, char *buf, size_t len, - int prepare_linetable) -{ - const char *cp, *ep; - - memset(image, 0, sizeof(*image)); - image->buf = buf; - image->len = len; - - if (!prepare_linetable) - return; - - ep = image->buf + image->len; - cp = image->buf; - while (cp < ep) { - const char *next; - for (next = cp; next < ep && *next != '\n'; next++) - ; - if (next < ep) - next++; - add_line_info(image, cp, next - cp, 0); - cp = next; - } - image->line = image->line_allocated; -} - -static void clear_image(struct image *image) -{ - free(image->buf); - free(image->line_allocated); - memset(image, 0, sizeof(*image)); -} - -/* fmt must contain _one_ %s and no other substitution */ -static void say_patch_name(FILE *output, const char *fmt, struct patch *patch) -{ - struct strbuf sb = STRBUF_INIT; - - if (patch->old_name && patch->new_name && - strcmp(patch->old_name, patch->new_name)) { - quote_c_style(patch->old_name, &sb, NULL, 0); - strbuf_addstr(&sb, " => "); - quote_c_style(patch->new_name, &sb, NULL, 0); - } else { - const char *n = patch->new_name; - if (!n) - n = patch->old_name; - quote_c_style(n, &sb, NULL, 0); - } - fprintf(output, fmt, sb.buf); - fputc('\n', output); - strbuf_release(&sb); -} - -#define SLOP (16) - -static void read_patch_file(struct strbuf *sb, int fd) -{ - if (strbuf_read(sb, fd, 0) < 0) - die_errno("git apply: failed to read"); - - /* - * Make sure that we have some slop in the buffer - * so that we can do speculative "memcmp" etc, and - * see to it that it is NUL-filled. - */ - strbuf_grow(sb, SLOP); - memset(sb->buf + sb->len, 0, SLOP); -} - -static unsigned long linelen(const char *buffer, unsigned long size) -{ - unsigned long len = 0; - while (size--) { - len++; - if (*buffer++ == '\n') - break; - } - return len; -} - -static int is_dev_null(const char *str) -{ - return skip_prefix(str, "/dev/null", &str) && isspace(*str); -} - -#define TERM_SPACE 1 -#define TERM_TAB 2 - -static int name_terminate(int c, int terminate) -{ - if (c == ' ' && !(terminate & TERM_SPACE)) - return 0; - if (c == '\t' && !(terminate & TERM_TAB)) - return 0; - - return 1; -} - -/* remove double slashes to make --index work with such filenames */ -static char *squash_slash(char *name) -{ - int i = 0, j = 0; - - if (!name) - return NULL; - - while (name[i]) { - if ((name[j++] = name[i++]) == '/') - while (name[i] == '/') - i++; - } - name[j] = '\0'; - return name; -} - -static char *find_name_gnu(struct apply_state *state, - const char *line, - const char *def, - int p_value) -{ - struct strbuf name = STRBUF_INIT; - char *cp; - - /* - * Proposed "new-style" GNU patch/diff format; see - * http://marc.info/?l=git&m=112927316408690&w=2 - */ - if (unquote_c_style(&name, line, NULL)) { - strbuf_release(&name); - return NULL; - } - - for (cp = name.buf; p_value; p_value--) { - cp = strchr(cp, '/'); - if (!cp) { - strbuf_release(&name); - return NULL; - } - cp++; - } - - strbuf_remove(&name, 0, cp - name.buf); - if (state->root.len) - strbuf_insert(&name, 0, state->root.buf, state->root.len); - return squash_slash(strbuf_detach(&name, NULL)); -} - -static size_t sane_tz_len(const char *line, size_t len) -{ - const char *tz, *p; - - if (len < strlen(" +0500") || line[len-strlen(" +0500")] != ' ') - return 0; - tz = line + len - strlen(" +0500"); - - if (tz[1] != '+' && tz[1] != '-') - return 0; - - for (p = tz + 2; p != line + len; p++) - if (!isdigit(*p)) - return 0; - - return line + len - tz; -} - -static size_t tz_with_colon_len(const char *line, size_t len) -{ - const char *tz, *p; - - if (len < strlen(" +08:00") || line[len - strlen(":00")] != ':') - return 0; - tz = line + len - strlen(" +08:00"); - - if (tz[0] != ' ' || (tz[1] != '+' && tz[1] != '-')) - return 0; - p = tz + 2; - if (!isdigit(*p++) || !isdigit(*p++) || *p++ != ':' || - !isdigit(*p++) || !isdigit(*p++)) - return 0; - - return line + len - tz; -} - -static size_t date_len(const char *line, size_t len) -{ - const char *date, *p; - - if (len < strlen("72-02-05") || line[len-strlen("-05")] != '-') - return 0; - p = date = line + len - strlen("72-02-05"); - - if (!isdigit(*p++) || !isdigit(*p++) || *p++ != '-' || - !isdigit(*p++) || !isdigit(*p++) || *p++ != '-' || - !isdigit(*p++) || !isdigit(*p++)) /* Not a date. */ - return 0; - - if (date - line >= strlen("19") && - isdigit(date[-1]) && isdigit(date[-2])) /* 4-digit year */ - date -= strlen("19"); - - return line + len - date; -} - -static size_t short_time_len(const char *line, size_t len) -{ - const char *time, *p; - - if (len < strlen(" 07:01:32") || line[len-strlen(":32")] != ':') - return 0; - p = time = line + len - strlen(" 07:01:32"); - - /* Permit 1-digit hours? */ - if (*p++ != ' ' || - !isdigit(*p++) || !isdigit(*p++) || *p++ != ':' || - !isdigit(*p++) || !isdigit(*p++) || *p++ != ':' || - !isdigit(*p++) || !isdigit(*p++)) /* Not a time. */ - return 0; - - return line + len - time; -} - -static size_t fractional_time_len(const char *line, size_t len) -{ - const char *p; - size_t n; - - /* Expected format: 19:41:17.620000023 */ - if (!len || !isdigit(line[len - 1])) - return 0; - p = line + len - 1; - - /* Fractional seconds. */ - while (p > line && isdigit(*p)) - p--; - if (*p != '.') - return 0; - - /* Hours, minutes, and whole seconds. */ - n = short_time_len(line, p - line); - if (!n) - return 0; - - return line + len - p + n; -} - -static size_t trailing_spaces_len(const char *line, size_t len) -{ - const char *p; - - /* Expected format: ' ' x (1 or more) */ - if (!len || line[len - 1] != ' ') - return 0; - - p = line + len; - while (p != line) { - p--; - if (*p != ' ') - return line + len - (p + 1); - } - - /* All spaces! */ - return len; -} - -static size_t diff_timestamp_len(const char *line, size_t len) -{ - const char *end = line + len; - size_t n; - - /* - * Posix: 2010-07-05 19:41:17 - * GNU: 2010-07-05 19:41:17.620000023 -0500 - */ - - if (!isdigit(end[-1])) - return 0; - - n = sane_tz_len(line, end - line); - if (!n) - n = tz_with_colon_len(line, end - line); - end -= n; - - n = short_time_len(line, end - line); - if (!n) - n = fractional_time_len(line, end - line); - end -= n; - - n = date_len(line, end - line); - if (!n) /* No date. Too bad. */ - return 0; - end -= n; - - if (end == line) /* No space before date. */ - return 0; - if (end[-1] == '\t') { /* Success! */ - end--; - return line + len - end; - } - if (end[-1] != ' ') /* No space before date. */ - return 0; - - /* Whitespace damage. */ - end -= trailing_spaces_len(line, end - line); - return line + len - end; -} - -static char *find_name_common(struct apply_state *state, - const char *line, - const char *def, - int p_value, - const char *end, - int terminate) -{ - int len; - const char *start = NULL; - - if (p_value == 0) - start = line; - while (line != end) { - char c = *line; - - if (!end && isspace(c)) { - if (c == '\n') - break; - if (name_terminate(c, terminate)) - break; - } - line++; - if (c == '/' && !--p_value) - start = line; - } - if (!start) - return squash_slash(xstrdup_or_null(def)); - len = line - start; - if (!len) - return squash_slash(xstrdup_or_null(def)); - - /* - * Generally we prefer the shorter name, especially - * if the other one is just a variation of that with - * something else tacked on to the end (ie "file.orig" - * or "file~"). - */ - if (def) { - int deflen = strlen(def); - if (deflen < len && !strncmp(start, def, deflen)) - return squash_slash(xstrdup(def)); - } - - if (state->root.len) { - char *ret = xstrfmt("%s%.*s", state->root.buf, len, start); - return squash_slash(ret); - } - - return squash_slash(xmemdupz(start, len)); -} - -static char *find_name(struct apply_state *state, - const char *line, - char *def, - int p_value, - int terminate) -{ - if (*line == '"') { - char *name = find_name_gnu(state, line, def, p_value); - if (name) - return name; - } - - return find_name_common(state, line, def, p_value, NULL, terminate); -} - -static char *find_name_traditional(struct apply_state *state, - const char *line, - char *def, - int p_value) -{ - size_t len; - size_t date_len; - - if (*line == '"') { - char *name = find_name_gnu(state, line, def, p_value); - if (name) - return name; - } - - len = strchrnul(line, '\n') - line; - date_len = diff_timestamp_len(line, len); - if (!date_len) - return find_name_common(state, line, def, p_value, NULL, TERM_TAB); - len -= date_len; - - return find_name_common(state, line, def, p_value, line + len, 0); -} - -static int count_slashes(const char *cp) -{ - int cnt = 0; - char ch; - - while ((ch = *cp++)) - if (ch == '/') - cnt++; - return cnt; -} - -/* - * Given the string after "--- " or "+++ ", guess the appropriate - * p_value for the given patch. - */ -static int guess_p_value(struct apply_state *state, const char *nameline) -{ - char *name, *cp; - int val = -1; - - if (is_dev_null(nameline)) - return -1; - name = find_name_traditional(state, nameline, NULL, 0); - if (!name) - return -1; - cp = strchr(name, '/'); - if (!cp) - val = 0; - else if (state->prefix) { - /* - * Does it begin with "a/$our-prefix" and such? Then this is - * very likely to apply to our directory. - */ - if (!strncmp(name, state->prefix, state->prefix_length)) - val = count_slashes(state->prefix); - else { - cp++; - if (!strncmp(cp, state->prefix, state->prefix_length)) - val = count_slashes(state->prefix) + 1; - } - } - free(name); - return val; -} - -/* - * Does the ---/+++ line have the POSIX timestamp after the last HT? - * GNU diff puts epoch there to signal a creation/deletion event. Is - * this such a timestamp? - */ -static int has_epoch_timestamp(const char *nameline) -{ - /* - * We are only interested in epoch timestamp; any non-zero - * fraction cannot be one, hence "(\.0+)?" in the regexp below. - * For the same reason, the date must be either 1969-12-31 or - * 1970-01-01, and the seconds part must be "00". - */ - const char stamp_regexp[] = - "^(1969-12-31|1970-01-01)" - " " - "[0-2][0-9]:[0-5][0-9]:00(\\.0+)?" - " " - "([-+][0-2][0-9]:?[0-5][0-9])\n"; - const char *timestamp = NULL, *cp, *colon; - static regex_t *stamp; - regmatch_t m[10]; - int zoneoffset; - int hourminute; - int status; - - for (cp = nameline; *cp != '\n'; cp++) { - if (*cp == '\t') - timestamp = cp + 1; - } - if (!timestamp) - return 0; - if (!stamp) { - stamp = xmalloc(sizeof(*stamp)); - if (regcomp(stamp, stamp_regexp, REG_EXTENDED)) { - warning(_("Cannot prepare timestamp regexp %s"), - stamp_regexp); - return 0; - } - } - - status = regexec(stamp, timestamp, ARRAY_SIZE(m), m, 0); - if (status) { - if (status != REG_NOMATCH) - warning(_("regexec returned %d for input: %s"), - status, timestamp); - return 0; - } - - zoneoffset = strtol(timestamp + m[3].rm_so + 1, (char **) &colon, 10); - if (*colon == ':') - zoneoffset = zoneoffset * 60 + strtol(colon + 1, NULL, 10); - else - zoneoffset = (zoneoffset / 100) * 60 + (zoneoffset % 100); - if (timestamp[m[3].rm_so] == '-') - zoneoffset = -zoneoffset; - - /* - * YYYY-MM-DD hh:mm:ss must be from either 1969-12-31 - * (west of GMT) or 1970-01-01 (east of GMT) - */ - if ((zoneoffset < 0 && memcmp(timestamp, "1969-12-31", 10)) || - (0 <= zoneoffset && memcmp(timestamp, "1970-01-01", 10))) - return 0; - - hourminute = (strtol(timestamp + 11, NULL, 10) * 60 + - strtol(timestamp + 14, NULL, 10) - - zoneoffset); - - return ((zoneoffset < 0 && hourminute == 1440) || - (0 <= zoneoffset && !hourminute)); -} - -/* - * Get the name etc info from the ---/+++ lines of a traditional patch header - * - * FIXME! The end-of-filename heuristics are kind of screwy. For existing - * files, we can happily check the index for a match, but for creating a - * new file we should try to match whatever "patch" does. I have no idea. - */ -static void parse_traditional_patch(struct apply_state *state, - const char *first, - const char *second, - struct patch *patch) -{ - char *name; - - first += 4; /* skip "--- " */ - second += 4; /* skip "+++ " */ - if (!state->p_value_known) { - int p, q; - p = guess_p_value(state, first); - q = guess_p_value(state, second); - if (p < 0) p = q; - if (0 <= p && p == q) { - state->p_value = p; - state->p_value_known = 1; - } - } - if (is_dev_null(first)) { - patch->is_new = 1; - patch->is_delete = 0; - name = find_name_traditional(state, second, NULL, state->p_value); - patch->new_name = name; - } else if (is_dev_null(second)) { - patch->is_new = 0; - patch->is_delete = 1; - name = find_name_traditional(state, first, NULL, state->p_value); - patch->old_name = name; - } else { - char *first_name; - first_name = find_name_traditional(state, first, NULL, state->p_value); - name = find_name_traditional(state, second, first_name, state->p_value); - free(first_name); - if (has_epoch_timestamp(first)) { - patch->is_new = 1; - patch->is_delete = 0; - patch->new_name = name; - } else if (has_epoch_timestamp(second)) { - patch->is_new = 0; - patch->is_delete = 1; - patch->old_name = name; - } else { - patch->old_name = name; - patch->new_name = xstrdup_or_null(name); - } - } - if (!name) - die(_("unable to find filename in patch at line %d"), state->linenr); -} - -static int gitdiff_hdrend(struct apply_state *state, - const char *line, - struct patch *patch) -{ - return -1; -} - -/* - * We're anal about diff header consistency, to make - * sure that we don't end up having strange ambiguous - * patches floating around. - * - * As a result, gitdiff_{old|new}name() will check - * their names against any previous information, just - * to make sure.. - */ -#define DIFF_OLD_NAME 0 -#define DIFF_NEW_NAME 1 - -static void gitdiff_verify_name(struct apply_state *state, - const char *line, - int isnull, - char **name, - int side) -{ - if (!*name && !isnull) { - *name = find_name(state, line, NULL, state->p_value, TERM_TAB); - return; - } - - if (*name) { - int len = strlen(*name); - char *another; - if (isnull) - die(_("git apply: bad git-diff - expected /dev/null, got %s on line %d"), - *name, state->linenr); - another = find_name(state, line, NULL, state->p_value, TERM_TAB); - if (!another || memcmp(another, *name, len + 1)) - die((side == DIFF_NEW_NAME) ? - _("git apply: bad git-diff - inconsistent new filename on line %d") : - _("git apply: bad git-diff - inconsistent old filename on line %d"), state->linenr); - free(another); - } else { - /* expect "/dev/null" */ - if (memcmp("/dev/null", line, 9) || line[9] != '\n') - die(_("git apply: bad git-diff - expected /dev/null on line %d"), state->linenr); - } -} - -static int gitdiff_oldname(struct apply_state *state, - const char *line, - struct patch *patch) -{ - gitdiff_verify_name(state, line, - patch->is_new, &patch->old_name, - DIFF_OLD_NAME); - return 0; -} - -static int gitdiff_newname(struct apply_state *state, - const char *line, - struct patch *patch) -{ - gitdiff_verify_name(state, line, - patch->is_delete, &patch->new_name, - DIFF_NEW_NAME); - return 0; -} - -static int gitdiff_oldmode(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->old_mode = strtoul(line, NULL, 8); - return 0; -} - -static int gitdiff_newmode(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->new_mode = strtoul(line, NULL, 8); - return 0; -} - -static int gitdiff_delete(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_delete = 1; - free(patch->old_name); - patch->old_name = xstrdup_or_null(patch->def_name); - return gitdiff_oldmode(state, line, patch); -} - -static int gitdiff_newfile(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_new = 1; - free(patch->new_name); - patch->new_name = xstrdup_or_null(patch->def_name); - return gitdiff_newmode(state, line, patch); -} - -static int gitdiff_copysrc(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_copy = 1; - free(patch->old_name); - patch->old_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); - return 0; -} - -static int gitdiff_copydst(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_copy = 1; - free(patch->new_name); - patch->new_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); - return 0; -} - -static int gitdiff_renamesrc(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_rename = 1; - free(patch->old_name); - patch->old_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); - return 0; -} - -static int gitdiff_renamedst(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_rename = 1; - free(patch->new_name); - patch->new_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); - return 0; -} - -static int gitdiff_similarity(struct apply_state *state, - const char *line, - struct patch *patch) -{ - unsigned long val = strtoul(line, NULL, 10); - if (val <= 100) - patch->score = val; - return 0; -} - -static int gitdiff_dissimilarity(struct apply_state *state, - const char *line, - struct patch *patch) -{ - unsigned long val = strtoul(line, NULL, 10); - if (val <= 100) - patch->score = val; - return 0; -} - -static int gitdiff_index(struct apply_state *state, - const char *line, - struct patch *patch) -{ - /* - * index line is N hexadecimal, "..", N hexadecimal, - * and optional space with octal mode. - */ - const char *ptr, *eol; - int len; - - ptr = strchr(line, '.'); - if (!ptr || ptr[1] != '.' || 40 < ptr - line) - return 0; - len = ptr - line; - memcpy(patch->old_sha1_prefix, line, len); - patch->old_sha1_prefix[len] = 0; - - line = ptr + 2; - ptr = strchr(line, ' '); - eol = strchrnul(line, '\n'); - - if (!ptr || eol < ptr) - ptr = eol; - len = ptr - line; - - if (40 < len) - return 0; - memcpy(patch->new_sha1_prefix, line, len); - patch->new_sha1_prefix[len] = 0; - if (*ptr == ' ') - patch->old_mode = strtoul(ptr+1, NULL, 8); - return 0; -} - -/* - * This is normal for a diff that doesn't change anything: we'll fall through - * into the next diff. Tell the parser to break out. - */ -static int gitdiff_unrecognized(struct apply_state *state, - const char *line, - struct patch *patch) -{ - return -1; -} - -/* - * Skip p_value leading components from "line"; as we do not accept - * absolute paths, return NULL in that case. - */ -static const char *skip_tree_prefix(struct apply_state *state, - const char *line, - int llen) -{ - int nslash; - int i; - - if (!state->p_value) - return (llen && line[0] == '/') ? NULL : line; - - nslash = state->p_value; - for (i = 0; i < llen; i++) { - int ch = line[i]; - if (ch == '/' && --nslash <= 0) - return (i == 0) ? NULL : &line[i + 1]; - } - return NULL; -} - -/* - * This is to extract the same name that appears on "diff --git" - * line. We do not find and return anything if it is a rename - * patch, and it is OK because we will find the name elsewhere. - * We need to reliably find name only when it is mode-change only, - * creation or deletion of an empty file. In any of these cases, - * both sides are the same name under a/ and b/ respectively. - */ -static char *git_header_name(struct apply_state *state, - const char *line, - int llen) -{ - const char *name; - const char *second = NULL; - size_t len, line_len; - - line += strlen("diff --git "); - llen -= strlen("diff --git "); - - if (*line == '"') { - const char *cp; - struct strbuf first = STRBUF_INIT; - struct strbuf sp = STRBUF_INIT; - - if (unquote_c_style(&first, line, &second)) - goto free_and_fail1; - - /* strip the a/b prefix including trailing slash */ - cp = skip_tree_prefix(state, first.buf, first.len); - if (!cp) - goto free_and_fail1; - strbuf_remove(&first, 0, cp - first.buf); - - /* - * second points at one past closing dq of name. - * find the second name. - */ - while ((second < line + llen) && isspace(*second)) - second++; - - if (line + llen <= second) - goto free_and_fail1; - if (*second == '"') { - if (unquote_c_style(&sp, second, NULL)) - goto free_and_fail1; - cp = skip_tree_prefix(state, sp.buf, sp.len); - if (!cp) - goto free_and_fail1; - /* They must match, otherwise ignore */ - if (strcmp(cp, first.buf)) - goto free_and_fail1; - strbuf_release(&sp); - return strbuf_detach(&first, NULL); - } - - /* unquoted second */ - cp = skip_tree_prefix(state, second, line + llen - second); - if (!cp) - goto free_and_fail1; - if (line + llen - cp != first.len || - memcmp(first.buf, cp, first.len)) - goto free_and_fail1; - return strbuf_detach(&first, NULL); - - free_and_fail1: - strbuf_release(&first); - strbuf_release(&sp); - return NULL; - } - - /* unquoted first name */ - name = skip_tree_prefix(state, line, llen); - if (!name) - return NULL; - - /* - * since the first name is unquoted, a dq if exists must be - * the beginning of the second name. - */ - for (second = name; second < line + llen; second++) { - if (*second == '"') { - struct strbuf sp = STRBUF_INIT; - const char *np; - - if (unquote_c_style(&sp, second, NULL)) - goto free_and_fail2; - - np = skip_tree_prefix(state, sp.buf, sp.len); - if (!np) - goto free_and_fail2; - - len = sp.buf + sp.len - np; - if (len < second - name && - !strncmp(np, name, len) && - isspace(name[len])) { - /* Good */ - strbuf_remove(&sp, 0, np - sp.buf); - return strbuf_detach(&sp, NULL); - } - - free_and_fail2: - strbuf_release(&sp); - return NULL; - } - } - - /* - * Accept a name only if it shows up twice, exactly the same - * form. - */ - second = strchr(name, '\n'); - if (!second) - return NULL; - line_len = second - name; - for (len = 0 ; ; len++) { - switch (name[len]) { - default: - continue; - case '\n': - return NULL; - case '\t': case ' ': - /* - * Is this the separator between the preimage - * and the postimage pathname? Again, we are - * only interested in the case where there is - * no rename, as this is only to set def_name - * and a rename patch has the names elsewhere - * in an unambiguous form. - */ - if (!name[len + 1]) - return NULL; /* no postimage name */ - second = skip_tree_prefix(state, name + len + 1, - line_len - (len + 1)); - if (!second) - return NULL; - /* - * Does len bytes starting at "name" and "second" - * (that are separated by one HT or SP we just - * found) exactly match? - */ - if (second[len] == '\n' && !strncmp(name, second, len)) - return xmemdupz(name, len); - } - } -} - -/* Verify that we recognize the lines following a git header */ -static int parse_git_header(struct apply_state *state, - const char *line, - int len, - unsigned int size, - struct patch *patch) -{ - unsigned long offset; - - /* A git diff has explicit new/delete information, so we don't guess */ - patch->is_new = 0; - patch->is_delete = 0; - - /* - * Some things may not have the old name in the - * rest of the headers anywhere (pure mode changes, - * or removing or adding empty files), so we get - * the default name from the header. - */ - patch->def_name = git_header_name(state, line, len); - if (patch->def_name && state->root.len) { - char *s = xstrfmt("%s%s", state->root.buf, patch->def_name); - free(patch->def_name); - patch->def_name = s; - } - - line += len; - size -= len; - state->linenr++; - for (offset = len ; size > 0 ; offset += len, size -= len, line += len, state->linenr++) { - static const struct opentry { - const char *str; - int (*fn)(struct apply_state *, const char *, struct patch *); - } optable[] = { - { "@@ -", gitdiff_hdrend }, - { "--- ", gitdiff_oldname }, - { "+++ ", gitdiff_newname }, - { "old mode ", gitdiff_oldmode }, - { "new mode ", gitdiff_newmode }, - { "deleted file mode ", gitdiff_delete }, - { "new file mode ", gitdiff_newfile }, - { "copy from ", gitdiff_copysrc }, - { "copy to ", gitdiff_copydst }, - { "rename old ", gitdiff_renamesrc }, - { "rename new ", gitdiff_renamedst }, - { "rename from ", gitdiff_renamesrc }, - { "rename to ", gitdiff_renamedst }, - { "similarity index ", gitdiff_similarity }, - { "dissimilarity index ", gitdiff_dissimilarity }, - { "index ", gitdiff_index }, - { "", gitdiff_unrecognized }, - }; - int i; - - len = linelen(line, size); - if (!len || line[len-1] != '\n') - break; - for (i = 0; i < ARRAY_SIZE(optable); i++) { - const struct opentry *p = optable + i; - int oplen = strlen(p->str); - if (len < oplen || memcmp(p->str, line, oplen)) - continue; - if (p->fn(state, line + oplen, patch) < 0) - return offset; - break; - } - } - - return offset; -} - -static int parse_num(const char *line, unsigned long *p) -{ - char *ptr; - - if (!isdigit(*line)) - return 0; - *p = strtoul(line, &ptr, 10); - return ptr - line; -} - -static int parse_range(const char *line, int len, int offset, const char *expect, - unsigned long *p1, unsigned long *p2) -{ - int digits, ex; - - if (offset < 0 || offset >= len) - return -1; - line += offset; - len -= offset; - - digits = parse_num(line, p1); - if (!digits) - return -1; - - offset += digits; - line += digits; - len -= digits; - - *p2 = 1; - if (*line == ',') { - digits = parse_num(line+1, p2); - if (!digits) - return -1; - - offset += digits+1; - line += digits+1; - len -= digits+1; - } - - ex = strlen(expect); - if (ex > len) - return -1; - if (memcmp(line, expect, ex)) - return -1; - - return offset + ex; -} - -static void recount_diff(const char *line, int size, struct fragment *fragment) -{ - int oldlines = 0, newlines = 0, ret = 0; - - if (size < 1) { - warning("recount: ignore empty hunk"); - return; - } - - for (;;) { - int len = linelen(line, size); - size -= len; - line += len; - - if (size < 1) - break; - - switch (*line) { - case ' ': case '\n': - newlines++; - /* fall through */ - case '-': - oldlines++; - continue; - case '+': - newlines++; - continue; - case '\\': - continue; - case '@': - ret = size < 3 || !starts_with(line, "@@ "); - break; - case 'd': - ret = size < 5 || !starts_with(line, "diff "); - break; - default: - ret = -1; - break; - } - if (ret) { - warning(_("recount: unexpected line: %.*s"), - (int)linelen(line, size), line); - return; - } - break; - } - fragment->oldlines = oldlines; - fragment->newlines = newlines; -} - -/* - * Parse a unified diff fragment header of the - * form "@@ -a,b +c,d @@" - */ -static int parse_fragment_header(const char *line, int len, struct fragment *fragment) -{ - int offset; - - if (!len || line[len-1] != '\n') - return -1; - - /* Figure out the number of lines in a fragment */ - offset = parse_range(line, len, 4, " +", &fragment->oldpos, &fragment->oldlines); - offset = parse_range(line, len, offset, " @@", &fragment->newpos, &fragment->newlines); - - return offset; -} - -static int find_header(struct apply_state *state, - const char *line, - unsigned long size, - int *hdrsize, - struct patch *patch) -{ - unsigned long offset, len; - - patch->is_toplevel_relative = 0; - patch->is_rename = patch->is_copy = 0; - patch->is_new = patch->is_delete = -1; - patch->old_mode = patch->new_mode = 0; - patch->old_name = patch->new_name = NULL; - for (offset = 0; size > 0; offset += len, size -= len, line += len, state->linenr++) { - unsigned long nextlen; - - len = linelen(line, size); - if (!len) - break; - - /* Testing this early allows us to take a few shortcuts.. */ - if (len < 6) - continue; - - /* - * Make sure we don't find any unconnected patch fragments. - * That's a sign that we didn't find a header, and that a - * patch has become corrupted/broken up. - */ - if (!memcmp("@@ -", line, 4)) { - struct fragment dummy; - if (parse_fragment_header(line, len, &dummy) < 0) - continue; - die(_("patch fragment without header at line %d: %.*s"), - state->linenr, (int)len-1, line); - } - - if (size < len + 6) - break; - - /* - * Git patch? It might not have a real patch, just a rename - * or mode change, so we handle that specially - */ - if (!memcmp("diff --git ", line, 11)) { - int git_hdr_len = parse_git_header(state, line, len, size, patch); - if (git_hdr_len <= len) - continue; - if (!patch->old_name && !patch->new_name) { - if (!patch->def_name) - die(Q_("git diff header lacks filename information when removing " - "%d leading pathname component (line %d)", - "git diff header lacks filename information when removing " - "%d leading pathname components (line %d)", - state->p_value), - state->p_value, state->linenr); - patch->old_name = xstrdup(patch->def_name); - patch->new_name = xstrdup(patch->def_name); - } - if (!patch->is_delete && !patch->new_name) - die("git diff header lacks filename information " - "(line %d)", state->linenr); - patch->is_toplevel_relative = 1; - *hdrsize = git_hdr_len; - return offset; - } - - /* --- followed by +++ ? */ - if (memcmp("--- ", line, 4) || memcmp("+++ ", line + len, 4)) - continue; - - /* - * We only accept unified patches, so we want it to - * at least have "@@ -a,b +c,d @@\n", which is 14 chars - * minimum ("@@ -0,0 +1 @@\n" is the shortest). - */ - nextlen = linelen(line + len, size - len); - if (size < nextlen + 14 || memcmp("@@ -", line + len + nextlen, 4)) - continue; - - /* Ok, we'll consider it a patch */ - parse_traditional_patch(state, line, line+len, patch); - *hdrsize = len + nextlen; - state->linenr += 2; - return offset; - } - return -1; -} - -static void record_ws_error(struct apply_state *state, - unsigned result, - const char *line, - int len, - int linenr) -{ - char *err; - - if (!result) - return; - - state->whitespace_error++; - if (state->squelch_whitespace_errors && - state->squelch_whitespace_errors < state->whitespace_error) - return; - - err = whitespace_error_string(result); - fprintf(stderr, "%s:%d: %s.\n%.*s\n", - state->patch_input_file, linenr, err, len, line); - free(err); -} - -static void check_whitespace(struct apply_state *state, - const char *line, - int len, - unsigned ws_rule) -{ - unsigned result = ws_check(line + 1, len - 1, ws_rule); - - record_ws_error(state, result, line + 1, len - 2, state->linenr); -} - -/* - * Parse a unified diff. Note that this really needs to parse each - * fragment separately, since the only way to know the difference - * between a "---" that is part of a patch, and a "---" that starts - * the next patch is to look at the line counts.. - */ -static int parse_fragment(struct apply_state *state, - const char *line, - unsigned long size, - struct patch *patch, - struct fragment *fragment) -{ - int added, deleted; - int len = linelen(line, size), offset; - unsigned long oldlines, newlines; - unsigned long leading, trailing; - - offset = parse_fragment_header(line, len, fragment); - if (offset < 0) - return -1; - if (offset > 0 && patch->recount) - recount_diff(line + offset, size - offset, fragment); - oldlines = fragment->oldlines; - newlines = fragment->newlines; - leading = 0; - trailing = 0; - - /* Parse the thing.. */ - line += len; - size -= len; - state->linenr++; - added = deleted = 0; - for (offset = len; - 0 < size; - offset += len, size -= len, line += len, state->linenr++) { - if (!oldlines && !newlines) - break; - len = linelen(line, size); - if (!len || line[len-1] != '\n') - return -1; - switch (*line) { - default: - return -1; - case '\n': /* newer GNU diff, an empty context line */ - case ' ': - oldlines--; - newlines--; - if (!deleted && !added) - leading++; - trailing++; - if (!state->apply_in_reverse && - state->ws_error_action == correct_ws_error) - check_whitespace(state, line, len, patch->ws_rule); - break; - case '-': - if (state->apply_in_reverse && - state->ws_error_action != nowarn_ws_error) - check_whitespace(state, line, len, patch->ws_rule); - deleted++; - oldlines--; - trailing = 0; - break; - case '+': - if (!state->apply_in_reverse && - state->ws_error_action != nowarn_ws_error) - check_whitespace(state, line, len, patch->ws_rule); - added++; - newlines--; - trailing = 0; - break; - - /* - * We allow "\ No newline at end of file". Depending - * on locale settings when the patch was produced we - * don't know what this line looks like. The only - * thing we do know is that it begins with "\ ". - * Checking for 12 is just for sanity check -- any - * l10n of "\ No newline..." is at least that long. - */ - case '\\': - if (len < 12 || memcmp(line, "\\ ", 2)) - return -1; - break; - } - } - if (oldlines || newlines) - return -1; - if (!deleted && !added) - return -1; - - fragment->leading = leading; - fragment->trailing = trailing; - - /* - * If a fragment ends with an incomplete line, we failed to include - * it in the above loop because we hit oldlines == newlines == 0 - * before seeing it. - */ - if (12 < size && !memcmp(line, "\\ ", 2)) - offset += linelen(line, size); - - patch->lines_added += added; - patch->lines_deleted += deleted; - - if (0 < patch->is_new && oldlines) - return error(_("new file depends on old contents")); - if (0 < patch->is_delete && newlines) - return error(_("deleted file still has contents")); - return offset; -} - -/* - * We have seen "diff --git a/... b/..." header (or a traditional patch - * header). Read hunks that belong to this patch into fragments and hang - * them to the given patch structure. - * - * The (fragment->patch, fragment->size) pair points into the memory given - * by the caller, not a copy, when we return. - */ -static int parse_single_patch(struct apply_state *state, - const char *line, - unsigned long size, - struct patch *patch) -{ - unsigned long offset = 0; - unsigned long oldlines = 0, newlines = 0, context = 0; - struct fragment **fragp = &patch->fragments; - - while (size > 4 && !memcmp(line, "@@ -", 4)) { - struct fragment *fragment; - int len; - - fragment = xcalloc(1, sizeof(*fragment)); - fragment->linenr = state->linenr; - len = parse_fragment(state, line, size, patch, fragment); - if (len <= 0) - die(_("corrupt patch at line %d"), state->linenr); - fragment->patch = line; - fragment->size = len; - oldlines += fragment->oldlines; - newlines += fragment->newlines; - context += fragment->leading + fragment->trailing; - - *fragp = fragment; - fragp = &fragment->next; - - offset += len; - line += len; - size -= len; - } - - /* - * If something was removed (i.e. we have old-lines) it cannot - * be creation, and if something was added it cannot be - * deletion. However, the reverse is not true; --unified=0 - * patches that only add are not necessarily creation even - * though they do not have any old lines, and ones that only - * delete are not necessarily deletion. - * - * Unfortunately, a real creation/deletion patch do _not_ have - * any context line by definition, so we cannot safely tell it - * apart with --unified=0 insanity. At least if the patch has - * more than one hunk it is not creation or deletion. - */ - if (patch->is_new < 0 && - (oldlines || (patch->fragments && patch->fragments->next))) - patch->is_new = 0; - if (patch->is_delete < 0 && - (newlines || (patch->fragments && patch->fragments->next))) - patch->is_delete = 0; - - if (0 < patch->is_new && oldlines) - die(_("new file %s depends on old contents"), patch->new_name); - if (0 < patch->is_delete && newlines) - die(_("deleted file %s still has contents"), patch->old_name); - if (!patch->is_delete && !newlines && context) - fprintf_ln(stderr, - _("** warning: " - "file %s becomes empty but is not deleted"), - patch->new_name); - - return offset; -} - -static inline int metadata_changes(struct patch *patch) -{ - return patch->is_rename > 0 || - patch->is_copy > 0 || - patch->is_new > 0 || - patch->is_delete || - (patch->old_mode && patch->new_mode && - patch->old_mode != patch->new_mode); -} - -static char *inflate_it(const void *data, unsigned long size, - unsigned long inflated_size) -{ - git_zstream stream; - void *out; - int st; - - memset(&stream, 0, sizeof(stream)); - - stream.next_in = (unsigned char *)data; - stream.avail_in = size; - stream.next_out = out = xmalloc(inflated_size); - stream.avail_out = inflated_size; - git_inflate_init(&stream); - st = git_inflate(&stream, Z_FINISH); - git_inflate_end(&stream); - if ((st != Z_STREAM_END) || stream.total_out != inflated_size) { - free(out); - return NULL; - } - return out; -} - -/* - * Read a binary hunk and return a new fragment; fragment->patch - * points at an allocated memory that the caller must free, so - * it is marked as "->free_patch = 1". - */ -static struct fragment *parse_binary_hunk(struct apply_state *state, - char **buf_p, - unsigned long *sz_p, - int *status_p, - int *used_p) -{ - /* - * Expect a line that begins with binary patch method ("literal" - * or "delta"), followed by the length of data before deflating. - * a sequence of 'length-byte' followed by base-85 encoded data - * should follow, terminated by a newline. - * - * Each 5-byte sequence of base-85 encodes up to 4 bytes, - * and we would limit the patch line to 66 characters, - * so one line can fit up to 13 groups that would decode - * to 52 bytes max. The length byte 'A'-'Z' corresponds - * to 1-26 bytes, and 'a'-'z' corresponds to 27-52 bytes. - */ - int llen, used; - unsigned long size = *sz_p; - char *buffer = *buf_p; - int patch_method; - unsigned long origlen; - char *data = NULL; - int hunk_size = 0; - struct fragment *frag; - - llen = linelen(buffer, size); - used = llen; - - *status_p = 0; - - if (starts_with(buffer, "delta ")) { - patch_method = BINARY_DELTA_DEFLATED; - origlen = strtoul(buffer + 6, NULL, 10); - } - else if (starts_with(buffer, "literal ")) { - patch_method = BINARY_LITERAL_DEFLATED; - origlen = strtoul(buffer + 8, NULL, 10); - } - else - return NULL; - - state->linenr++; - buffer += llen; - while (1) { - int byte_length, max_byte_length, newsize; - llen = linelen(buffer, size); - used += llen; - state->linenr++; - if (llen == 1) { - /* consume the blank line */ - buffer++; - size--; - break; - } - /* - * Minimum line is "A00000\n" which is 7-byte long, - * and the line length must be multiple of 5 plus 2. - */ - if ((llen < 7) || (llen-2) % 5) - goto corrupt; - max_byte_length = (llen - 2) / 5 * 4; - byte_length = *buffer; - if ('A' <= byte_length && byte_length <= 'Z') - byte_length = byte_length - 'A' + 1; - else if ('a' <= byte_length && byte_length <= 'z') - byte_length = byte_length - 'a' + 27; - else - goto corrupt; - /* if the input length was not multiple of 4, we would - * have filler at the end but the filler should never - * exceed 3 bytes - */ - if (max_byte_length < byte_length || - byte_length <= max_byte_length - 4) - goto corrupt; - newsize = hunk_size + byte_length; - data = xrealloc(data, newsize); - if (decode_85(data + hunk_size, buffer + 1, byte_length)) - goto corrupt; - hunk_size = newsize; - buffer += llen; - size -= llen; - } - - frag = xcalloc(1, sizeof(*frag)); - frag->patch = inflate_it(data, hunk_size, origlen); - frag->free_patch = 1; - if (!frag->patch) - goto corrupt; - free(data); - frag->size = origlen; - *buf_p = buffer; - *sz_p = size; - *used_p = used; - frag->binary_patch_method = patch_method; - return frag; - - corrupt: - free(data); - *status_p = -1; - error(_("corrupt binary patch at line %d: %.*s"), - state->linenr-1, llen-1, buffer); - return NULL; -} - -/* - * Returns: - * -1 in case of error, - * the length of the parsed binary patch otherwise - */ -static int parse_binary(struct apply_state *state, - char *buffer, - unsigned long size, - struct patch *patch) -{ - /* - * We have read "GIT binary patch\n"; what follows is a line - * that says the patch method (currently, either "literal" or - * "delta") and the length of data before deflating; a - * sequence of 'length-byte' followed by base-85 encoded data - * follows. - * - * When a binary patch is reversible, there is another binary - * hunk in the same format, starting with patch method (either - * "literal" or "delta") with the length of data, and a sequence - * of length-byte + base-85 encoded data, terminated with another - * empty line. This data, when applied to the postimage, produces - * the preimage. - */ - struct fragment *forward; - struct fragment *reverse; - int status; - int used, used_1; - - forward = parse_binary_hunk(state, &buffer, &size, &status, &used); - if (!forward && !status) - /* there has to be one hunk (forward hunk) */ - return error(_("unrecognized binary patch at line %d"), state->linenr-1); - if (status) - /* otherwise we already gave an error message */ - return status; - - reverse = parse_binary_hunk(state, &buffer, &size, &status, &used_1); - if (reverse) - used += used_1; - else if (status) { - /* - * Not having reverse hunk is not an error, but having - * a corrupt reverse hunk is. - */ - free((void*) forward->patch); - free(forward); - return status; - } - forward->next = reverse; - patch->fragments = forward; - patch->is_binary = 1; - return used; -} - -static void prefix_one(struct apply_state *state, char **name) -{ - char *old_name = *name; - if (!old_name) - return; - *name = xstrdup(prefix_filename(state->prefix, state->prefix_length, *name)); - free(old_name); -} - -static void prefix_patch(struct apply_state *state, struct patch *p) -{ - if (!state->prefix || p->is_toplevel_relative) - return; - prefix_one(state, &p->new_name); - prefix_one(state, &p->old_name); -} - -/* - * include/exclude - */ - -static void add_name_limit(struct apply_state *state, - const char *name, - int exclude) -{ - struct string_list_item *it; - - it = string_list_append(&state->limit_by_name, name); - it->util = exclude ? NULL : (void *) 1; -} - -static int use_patch(struct apply_state *state, struct patch *p) -{ - const char *pathname = p->new_name ? p->new_name : p->old_name; - int i; - - /* Paths outside are not touched regardless of "--include" */ - if (0 < state->prefix_length) { - int pathlen = strlen(pathname); - if (pathlen <= state->prefix_length || - memcmp(state->prefix, pathname, state->prefix_length)) - return 0; - } - - /* See if it matches any of exclude/include rule */ - for (i = 0; i < state->limit_by_name.nr; i++) { - struct string_list_item *it = &state->limit_by_name.items[i]; - if (!wildmatch(it->string, pathname, 0, NULL)) - return (it->util != NULL); - } - - /* - * If we had any include, a path that does not match any rule is - * not used. Otherwise, we saw bunch of exclude rules (or none) - * and such a path is used. - */ - return !state->has_include; -} - - -/* - * Read the patch text in "buffer" that extends for "size" bytes; stop - * reading after seeing a single patch (i.e. changes to a single file). - * Create fragments (i.e. patch hunks) and hang them to the given patch. - * Return the number of bytes consumed, so that the caller can call us - * again for the next patch. - */ -static int parse_chunk(struct apply_state *state, char *buffer, unsigned long size, struct patch *patch) -{ - int hdrsize, patchsize; - int offset = find_header(state, buffer, size, &hdrsize, patch); - - if (offset < 0) - return offset; - - prefix_patch(state, patch); - - if (!use_patch(state, patch)) - patch->ws_rule = 0; - else - patch->ws_rule = whitespace_rule(patch->new_name - ? patch->new_name - : patch->old_name); - - patchsize = parse_single_patch(state, - buffer + offset + hdrsize, - size - offset - hdrsize, - patch); - - if (!patchsize) { - static const char git_binary[] = "GIT binary patch\n"; - int hd = hdrsize + offset; - unsigned long llen = linelen(buffer + hd, size - hd); - - if (llen == sizeof(git_binary) - 1 && - !memcmp(git_binary, buffer + hd, llen)) { - int used; - state->linenr++; - used = parse_binary(state, buffer + hd + llen, - size - hd - llen, patch); - if (used < 0) - return -1; - if (used) - patchsize = used + llen; - else - patchsize = 0; - } - else if (!memcmp(" differ\n", buffer + hd + llen - 8, 8)) { - static const char *binhdr[] = { - "Binary files ", - "Files ", - NULL, - }; - int i; - for (i = 0; binhdr[i]; i++) { - int len = strlen(binhdr[i]); - if (len < size - hd && - !memcmp(binhdr[i], buffer + hd, len)) { - state->linenr++; - patch->is_binary = 1; - patchsize = llen; - break; - } - } - } - - /* Empty patch cannot be applied if it is a text patch - * without metadata change. A binary patch appears - * empty to us here. - */ - if ((state->apply || state->check) && - (!patch->is_binary && !metadata_changes(patch))) - die(_("patch with only garbage at line %d"), state->linenr); - } - - return offset + hdrsize + patchsize; -} - -#define swap(a,b) myswap((a),(b),sizeof(a)) - -#define myswap(a, b, size) do { \ - unsigned char mytmp[size]; \ - memcpy(mytmp, &a, size); \ - memcpy(&a, &b, size); \ - memcpy(&b, mytmp, size); \ -} while (0) - -static void reverse_patches(struct patch *p) -{ - for (; p; p = p->next) { - struct fragment *frag = p->fragments; - - swap(p->new_name, p->old_name); - swap(p->new_mode, p->old_mode); - swap(p->is_new, p->is_delete); - swap(p->lines_added, p->lines_deleted); - swap(p->old_sha1_prefix, p->new_sha1_prefix); - - for (; frag; frag = frag->next) { - swap(frag->newpos, frag->oldpos); - swap(frag->newlines, frag->oldlines); - } - } -} - -static const char pluses[] = -"++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"; -static const char minuses[]= -"----------------------------------------------------------------------"; - -static void show_stats(struct apply_state *state, struct patch *patch) -{ - struct strbuf qname = STRBUF_INIT; - char *cp = patch->new_name ? patch->new_name : patch->old_name; - int max, add, del; - - quote_c_style(cp, &qname, NULL, 0); - - /* - * "scale" the filename - */ - max = state->max_len; - if (max > 50) - max = 50; - - if (qname.len > max) { - cp = strchr(qname.buf + qname.len + 3 - max, '/'); - if (!cp) - cp = qname.buf + qname.len + 3 - max; - strbuf_splice(&qname, 0, cp - qname.buf, "...", 3); - } - - if (patch->is_binary) { - printf(" %-*s | Bin\n", max, qname.buf); - strbuf_release(&qname); - return; - } - - printf(" %-*s |", max, qname.buf); - strbuf_release(&qname); - - /* - * scale the add/delete - */ - max = max + state->max_change > 70 ? 70 - max : state->max_change; - add = patch->lines_added; - del = patch->lines_deleted; - - if (state->max_change > 0) { - int total = ((add + del) * max + state->max_change / 2) / state->max_change; - add = (add * max + state->max_change / 2) / state->max_change; - del = total - add; - } - printf("%5d %.*s%.*s\n", patch->lines_added + patch->lines_deleted, - add, pluses, del, minuses); -} - -static int read_old_data(struct stat *st, const char *path, struct strbuf *buf) -{ - switch (st->st_mode & S_IFMT) { - case S_IFLNK: - if (strbuf_readlink(buf, path, st->st_size) < 0) - return error(_("unable to read symlink %s"), path); - return 0; - case S_IFREG: - if (strbuf_read_file(buf, path, st->st_size) != st->st_size) - return error(_("unable to open or read %s"), path); - convert_to_git(path, buf->buf, buf->len, buf, 0); - return 0; - default: - return -1; - } -} - -/* - * Update the preimage, and the common lines in postimage, - * from buffer buf of length len. If postlen is 0 the postimage - * is updated in place, otherwise it's updated on a new buffer - * of length postlen - */ - -static void update_pre_post_images(struct image *preimage, - struct image *postimage, - char *buf, - size_t len, size_t postlen) -{ - int i, ctx, reduced; - char *new, *old, *fixed; - struct image fixed_preimage; - - /* - * Update the preimage with whitespace fixes. Note that we - * are not losing preimage->buf -- apply_one_fragment() will - * free "oldlines". - */ - prepare_image(&fixed_preimage, buf, len, 1); - assert(postlen - ? fixed_preimage.nr == preimage->nr - : fixed_preimage.nr <= preimage->nr); - for (i = 0; i < fixed_preimage.nr; i++) - fixed_preimage.line[i].flag = preimage->line[i].flag; - free(preimage->line_allocated); - *preimage = fixed_preimage; - - /* - * Adjust the common context lines in postimage. This can be - * done in-place when we are shrinking it with whitespace - * fixing, but needs a new buffer when ignoring whitespace or - * expanding leading tabs to spaces. - * - * We trust the caller to tell us if the update can be done - * in place (postlen==0) or not. - */ - old = postimage->buf; - if (postlen) - new = postimage->buf = xmalloc(postlen); - else - new = old; - fixed = preimage->buf; - - for (i = reduced = ctx = 0; i < postimage->nr; i++) { - size_t l_len = postimage->line[i].len; - if (!(postimage->line[i].flag & LINE_COMMON)) { - /* an added line -- no counterparts in preimage */ - memmove(new, old, l_len); - old += l_len; - new += l_len; - continue; - } - - /* a common context -- skip it in the original postimage */ - old += l_len; - - /* and find the corresponding one in the fixed preimage */ - while (ctx < preimage->nr && - !(preimage->line[ctx].flag & LINE_COMMON)) { - fixed += preimage->line[ctx].len; - ctx++; - } - - /* - * preimage is expected to run out, if the caller - * fixed addition of trailing blank lines. - */ - if (preimage->nr <= ctx) { - reduced++; - continue; - } - - /* and copy it in, while fixing the line length */ - l_len = preimage->line[ctx].len; - memcpy(new, fixed, l_len); - new += l_len; - fixed += l_len; - postimage->line[i].len = l_len; - ctx++; - } - - if (postlen - ? postlen < new - postimage->buf - : postimage->len < new - postimage->buf) - die("BUG: caller miscounted postlen: asked %d, orig = %d, used = %d", - (int)postlen, (int) postimage->len, (int)(new - postimage->buf)); - - /* Fix the length of the whole thing */ - postimage->len = new - postimage->buf; - postimage->nr -= reduced; -} - -static int line_by_line_fuzzy_match(struct image *img, - struct image *preimage, - struct image *postimage, - unsigned long try, - int try_lno, - int preimage_limit) -{ - int i; - size_t imgoff = 0; - size_t preoff = 0; - size_t postlen = postimage->len; - size_t extra_chars; - char *buf; - char *preimage_eof; - char *preimage_end; - struct strbuf fixed; - char *fixed_buf; - size_t fixed_len; - - for (i = 0; i < preimage_limit; i++) { - size_t prelen = preimage->line[i].len; - size_t imglen = img->line[try_lno+i].len; - - if (!fuzzy_matchlines(img->buf + try + imgoff, imglen, - preimage->buf + preoff, prelen)) - return 0; - if (preimage->line[i].flag & LINE_COMMON) - postlen += imglen - prelen; - imgoff += imglen; - preoff += prelen; - } - - /* - * Ok, the preimage matches with whitespace fuzz. - * - * imgoff now holds the true length of the target that - * matches the preimage before the end of the file. - * - * Count the number of characters in the preimage that fall - * beyond the end of the file and make sure that all of them - * are whitespace characters. (This can only happen if - * we are removing blank lines at the end of the file.) - */ - buf = preimage_eof = preimage->buf + preoff; - for ( ; i < preimage->nr; i++) - preoff += preimage->line[i].len; - preimage_end = preimage->buf + preoff; - for ( ; buf < preimage_end; buf++) - if (!isspace(*buf)) - return 0; - - /* - * Update the preimage and the common postimage context - * lines to use the same whitespace as the target. - * If whitespace is missing in the target (i.e. - * if the preimage extends beyond the end of the file), - * use the whitespace from the preimage. - */ - extra_chars = preimage_end - preimage_eof; - strbuf_init(&fixed, imgoff + extra_chars); - strbuf_add(&fixed, img->buf + try, imgoff); - strbuf_add(&fixed, preimage_eof, extra_chars); - fixed_buf = strbuf_detach(&fixed, &fixed_len); - update_pre_post_images(preimage, postimage, - fixed_buf, fixed_len, postlen); - return 1; -} - -static int match_fragment(struct apply_state *state, - struct image *img, - struct image *preimage, - struct image *postimage, - unsigned long try, - int try_lno, - unsigned ws_rule, - int match_beginning, int match_end) -{ - int i; - char *fixed_buf, *buf, *orig, *target; - struct strbuf fixed; - size_t fixed_len, postlen; - int preimage_limit; - - if (preimage->nr + try_lno <= img->nr) { - /* - * The hunk falls within the boundaries of img. - */ - preimage_limit = preimage->nr; - if (match_end && (preimage->nr + try_lno != img->nr)) - return 0; - } else if (state->ws_error_action == correct_ws_error && - (ws_rule & WS_BLANK_AT_EOF)) { - /* - * This hunk extends beyond the end of img, and we are - * removing blank lines at the end of the file. This - * many lines from the beginning of the preimage must - * match with img, and the remainder of the preimage - * must be blank. - */ - preimage_limit = img->nr - try_lno; - } else { - /* - * The hunk extends beyond the end of the img and - * we are not removing blanks at the end, so we - * should reject the hunk at this position. - */ - return 0; - } - - if (match_beginning && try_lno) - return 0; - - /* Quick hash check */ - for (i = 0; i < preimage_limit; i++) - if ((img->line[try_lno + i].flag & LINE_PATCHED) || - (preimage->line[i].hash != img->line[try_lno + i].hash)) - return 0; - - if (preimage_limit == preimage->nr) { - /* - * Do we have an exact match? If we were told to match - * at the end, size must be exactly at try+fragsize, - * otherwise try+fragsize must be still within the preimage, - * and either case, the old piece should match the preimage - * exactly. - */ - if ((match_end - ? (try + preimage->len == img->len) - : (try + preimage->len <= img->len)) && - !memcmp(img->buf + try, preimage->buf, preimage->len)) - return 1; - } else { - /* - * The preimage extends beyond the end of img, so - * there cannot be an exact match. - * - * There must be one non-blank context line that match - * a line before the end of img. - */ - char *buf_end; - - buf = preimage->buf; - buf_end = buf; - for (i = 0; i < preimage_limit; i++) - buf_end += preimage->line[i].len; - - for ( ; buf < buf_end; buf++) - if (!isspace(*buf)) - break; - if (buf == buf_end) - return 0; - } - - /* - * No exact match. If we are ignoring whitespace, run a line-by-line - * fuzzy matching. We collect all the line length information because - * we need it to adjust whitespace if we match. - */ - if (state->ws_ignore_action == ignore_ws_change) - return line_by_line_fuzzy_match(img, preimage, postimage, - try, try_lno, preimage_limit); - - if (state->ws_error_action != correct_ws_error) - return 0; - - /* - * The hunk does not apply byte-by-byte, but the hash says - * it might with whitespace fuzz. We weren't asked to - * ignore whitespace, we were asked to correct whitespace - * errors, so let's try matching after whitespace correction. - * - * While checking the preimage against the target, whitespace - * errors in both fixed, we count how large the corresponding - * postimage needs to be. The postimage prepared by - * apply_one_fragment() has whitespace errors fixed on added - * lines already, but the common lines were propagated as-is, - * which may become longer when their whitespace errors are - * fixed. - */ - - /* First count added lines in postimage */ - postlen = 0; - for (i = 0; i < postimage->nr; i++) { - if (!(postimage->line[i].flag & LINE_COMMON)) - postlen += postimage->line[i].len; - } - - /* - * The preimage may extend beyond the end of the file, - * but in this loop we will only handle the part of the - * preimage that falls within the file. - */ - strbuf_init(&fixed, preimage->len + 1); - orig = preimage->buf; - target = img->buf + try; - for (i = 0; i < preimage_limit; i++) { - size_t oldlen = preimage->line[i].len; - size_t tgtlen = img->line[try_lno + i].len; - size_t fixstart = fixed.len; - struct strbuf tgtfix; - int match; - - /* Try fixing the line in the preimage */ - ws_fix_copy(&fixed, orig, oldlen, ws_rule, NULL); - - /* Try fixing the line in the target */ - strbuf_init(&tgtfix, tgtlen); - ws_fix_copy(&tgtfix, target, tgtlen, ws_rule, NULL); - - /* - * If they match, either the preimage was based on - * a version before our tree fixed whitespace breakage, - * or we are lacking a whitespace-fix patch the tree - * the preimage was based on already had (i.e. target - * has whitespace breakage, the preimage doesn't). - * In either case, we are fixing the whitespace breakages - * so we might as well take the fix together with their - * real change. - */ - match = (tgtfix.len == fixed.len - fixstart && - !memcmp(tgtfix.buf, fixed.buf + fixstart, - fixed.len - fixstart)); - - /* Add the length if this is common with the postimage */ - if (preimage->line[i].flag & LINE_COMMON) - postlen += tgtfix.len; - - strbuf_release(&tgtfix); - if (!match) - goto unmatch_exit; - - orig += oldlen; - target += tgtlen; - } - - - /* - * Now handle the lines in the preimage that falls beyond the - * end of the file (if any). They will only match if they are - * empty or only contain whitespace (if WS_BLANK_AT_EOL is - * false). - */ - for ( ; i < preimage->nr; i++) { - size_t fixstart = fixed.len; /* start of the fixed preimage */ - size_t oldlen = preimage->line[i].len; - int j; - - /* Try fixing the line in the preimage */ - ws_fix_copy(&fixed, orig, oldlen, ws_rule, NULL); - - for (j = fixstart; j < fixed.len; j++) - if (!isspace(fixed.buf[j])) - goto unmatch_exit; - - orig += oldlen; - } - - /* - * Yes, the preimage is based on an older version that still - * has whitespace breakages unfixed, and fixing them makes the - * hunk match. Update the context lines in the postimage. - */ - fixed_buf = strbuf_detach(&fixed, &fixed_len); - if (postlen < postimage->len) - postlen = 0; - update_pre_post_images(preimage, postimage, - fixed_buf, fixed_len, postlen); - return 1; - - unmatch_exit: - strbuf_release(&fixed); - return 0; -} - -static int find_pos(struct apply_state *state, - struct image *img, - struct image *preimage, - struct image *postimage, - int line, - unsigned ws_rule, - int match_beginning, int match_end) -{ - int i; - unsigned long backwards, forwards, try; - int backwards_lno, forwards_lno, try_lno; - - /* - * If match_beginning or match_end is specified, there is no - * point starting from a wrong line that will never match and - * wander around and wait for a match at the specified end. - */ - if (match_beginning) - line = 0; - else if (match_end) - line = img->nr - preimage->nr; - - /* - * Because the comparison is unsigned, the following test - * will also take care of a negative line number that can - * result when match_end and preimage is larger than the target. - */ - if ((size_t) line > img->nr) - line = img->nr; - - try = 0; - for (i = 0; i < line; i++) - try += img->line[i].len; - - /* - * There's probably some smart way to do this, but I'll leave - * that to the smart and beautiful people. I'm simple and stupid. - */ - backwards = try; - backwards_lno = line; - forwards = try; - forwards_lno = line; - try_lno = line; - - for (i = 0; ; i++) { - if (match_fragment(state, img, preimage, postimage, - try, try_lno, ws_rule, - match_beginning, match_end)) - return try_lno; - - again: - if (backwards_lno == 0 && forwards_lno == img->nr) - break; - - if (i & 1) { - if (backwards_lno == 0) { - i++; - goto again; - } - backwards_lno--; - backwards -= img->line[backwards_lno].len; - try = backwards; - try_lno = backwards_lno; - } else { - if (forwards_lno == img->nr) { - i++; - goto again; - } - forwards += img->line[forwards_lno].len; - forwards_lno++; - try = forwards; - try_lno = forwards_lno; - } - - } - return -1; -} - -static void remove_first_line(struct image *img) -{ - img->buf += img->line[0].len; - img->len -= img->line[0].len; - img->line++; - img->nr--; -} - -static void remove_last_line(struct image *img) -{ - img->len -= img->line[--img->nr].len; -} - -/* - * The change from "preimage" and "postimage" has been found to - * apply at applied_pos (counts in line numbers) in "img". - * Update "img" to remove "preimage" and replace it with "postimage". - */ -static void update_image(struct apply_state *state, - struct image *img, - int applied_pos, - struct image *preimage, - struct image *postimage) -{ - /* - * remove the copy of preimage at offset in img - * and replace it with postimage - */ - int i, nr; - size_t remove_count, insert_count, applied_at = 0; - char *result; - int preimage_limit; - - /* - * If we are removing blank lines at the end of img, - * the preimage may extend beyond the end. - * If that is the case, we must be careful only to - * remove the part of the preimage that falls within - * the boundaries of img. Initialize preimage_limit - * to the number of lines in the preimage that falls - * within the boundaries. - */ - preimage_limit = preimage->nr; - if (preimage_limit > img->nr - applied_pos) - preimage_limit = img->nr - applied_pos; - - for (i = 0; i < applied_pos; i++) - applied_at += img->line[i].len; - - remove_count = 0; - for (i = 0; i < preimage_limit; i++) - remove_count += img->line[applied_pos + i].len; - insert_count = postimage->len; - - /* Adjust the contents */ - result = xmalloc(st_add3(st_sub(img->len, remove_count), insert_count, 1)); - memcpy(result, img->buf, applied_at); - memcpy(result + applied_at, postimage->buf, postimage->len); - memcpy(result + applied_at + postimage->len, - img->buf + (applied_at + remove_count), - img->len - (applied_at + remove_count)); - free(img->buf); - img->buf = result; - img->len += insert_count - remove_count; - result[img->len] = '\0'; - - /* Adjust the line table */ - nr = img->nr + postimage->nr - preimage_limit; - if (preimage_limit < postimage->nr) { - /* - * NOTE: this knows that we never call remove_first_line() - * on anything other than pre/post image. - */ - REALLOC_ARRAY(img->line, nr); - img->line_allocated = img->line; - } - if (preimage_limit != postimage->nr) - memmove(img->line + applied_pos + postimage->nr, - img->line + applied_pos + preimage_limit, - (img->nr - (applied_pos + preimage_limit)) * - sizeof(*img->line)); - memcpy(img->line + applied_pos, - postimage->line, - postimage->nr * sizeof(*img->line)); - if (!state->allow_overlap) - for (i = 0; i < postimage->nr; i++) - img->line[applied_pos + i].flag |= LINE_PATCHED; - img->nr = nr; -} - -/* - * Use the patch-hunk text in "frag" to prepare two images (preimage and - * postimage) for the hunk. Find lines that match "preimage" in "img" and - * replace the part of "img" with "postimage" text. - */ -static int apply_one_fragment(struct apply_state *state, - struct image *img, struct fragment *frag, - int inaccurate_eof, unsigned ws_rule, - int nth_fragment) -{ - int match_beginning, match_end; - const char *patch = frag->patch; - int size = frag->size; - char *old, *oldlines; - struct strbuf newlines; - int new_blank_lines_at_end = 0; - int found_new_blank_lines_at_end = 0; - int hunk_linenr = frag->linenr; - unsigned long leading, trailing; - int pos, applied_pos; - struct image preimage; - struct image postimage; - - memset(&preimage, 0, sizeof(preimage)); - memset(&postimage, 0, sizeof(postimage)); - oldlines = xmalloc(size); - strbuf_init(&newlines, size); - - old = oldlines; - while (size > 0) { - char first; - int len = linelen(patch, size); - int plen; - int added_blank_line = 0; - int is_blank_context = 0; - size_t start; - - if (!len) - break; - - /* - * "plen" is how much of the line we should use for - * the actual patch data. Normally we just remove the - * first character on the line, but if the line is - * followed by "\ No newline", then we also remove the - * last one (which is the newline, of course). - */ - plen = len - 1; - if (len < size && patch[len] == '\\') - plen--; - first = *patch; - if (state->apply_in_reverse) { - if (first == '-') - first = '+'; - else if (first == '+') - first = '-'; - } - - switch (first) { - case '\n': - /* Newer GNU diff, empty context line */ - if (plen < 0) - /* ... followed by '\No newline'; nothing */ - break; - *old++ = '\n'; - strbuf_addch(&newlines, '\n'); - add_line_info(&preimage, "\n", 1, LINE_COMMON); - add_line_info(&postimage, "\n", 1, LINE_COMMON); - is_blank_context = 1; - break; - case ' ': - if (plen && (ws_rule & WS_BLANK_AT_EOF) && - ws_blank_line(patch + 1, plen, ws_rule)) - is_blank_context = 1; - case '-': - memcpy(old, patch + 1, plen); - add_line_info(&preimage, old, plen, - (first == ' ' ? LINE_COMMON : 0)); - old += plen; - if (first == '-') - break; - /* Fall-through for ' ' */ - case '+': - /* --no-add does not add new lines */ - if (first == '+' && state->no_add) - break; - - start = newlines.len; - if (first != '+' || - !state->whitespace_error || - state->ws_error_action != correct_ws_error) { - strbuf_add(&newlines, patch + 1, plen); - } - else { - ws_fix_copy(&newlines, patch + 1, plen, ws_rule, &state->applied_after_fixing_ws); - } - add_line_info(&postimage, newlines.buf + start, newlines.len - start, - (first == '+' ? 0 : LINE_COMMON)); - if (first == '+' && - (ws_rule & WS_BLANK_AT_EOF) && - ws_blank_line(patch + 1, plen, ws_rule)) - added_blank_line = 1; - break; - case '@': case '\\': - /* Ignore it, we already handled it */ - break; - default: - if (state->apply_verbosely) - error(_("invalid start of line: '%c'"), first); - applied_pos = -1; - goto out; - } - if (added_blank_line) { - if (!new_blank_lines_at_end) - found_new_blank_lines_at_end = hunk_linenr; - new_blank_lines_at_end++; - } - else if (is_blank_context) - ; - else - new_blank_lines_at_end = 0; - patch += len; - size -= len; - hunk_linenr++; - } - if (inaccurate_eof && - old > oldlines && old[-1] == '\n' && - newlines.len > 0 && newlines.buf[newlines.len - 1] == '\n') { - old--; - strbuf_setlen(&newlines, newlines.len - 1); - } - - leading = frag->leading; - trailing = frag->trailing; - - /* - * A hunk to change lines at the beginning would begin with - * @@ -1,L +N,M @@ - * but we need to be careful. -U0 that inserts before the second - * line also has this pattern. - * - * And a hunk to add to an empty file would begin with - * @@ -0,0 +N,M @@ - * - * In other words, a hunk that is (frag->oldpos <= 1) with or - * without leading context must match at the beginning. - */ - match_beginning = (!frag->oldpos || - (frag->oldpos == 1 && !state->unidiff_zero)); - - /* - * A hunk without trailing lines must match at the end. - * However, we simply cannot tell if a hunk must match end - * from the lack of trailing lines if the patch was generated - * with unidiff without any context. - */ - match_end = !state->unidiff_zero && !trailing; - - pos = frag->newpos ? (frag->newpos - 1) : 0; - preimage.buf = oldlines; - preimage.len = old - oldlines; - postimage.buf = newlines.buf; - postimage.len = newlines.len; - preimage.line = preimage.line_allocated; - postimage.line = postimage.line_allocated; - - for (;;) { - - applied_pos = find_pos(state, img, &preimage, &postimage, pos, - ws_rule, match_beginning, match_end); - - if (applied_pos >= 0) - break; - - /* Am I at my context limits? */ - if ((leading <= state->p_context) && (trailing <= state->p_context)) - break; - if (match_beginning || match_end) { - match_beginning = match_end = 0; - continue; - } - - /* - * Reduce the number of context lines; reduce both - * leading and trailing if they are equal otherwise - * just reduce the larger context. - */ - if (leading >= trailing) { - remove_first_line(&preimage); - remove_first_line(&postimage); - pos--; - leading--; - } - if (trailing > leading) { - remove_last_line(&preimage); - remove_last_line(&postimage); - trailing--; - } - } - - if (applied_pos >= 0) { - if (new_blank_lines_at_end && - preimage.nr + applied_pos >= img->nr && - (ws_rule & WS_BLANK_AT_EOF) && - state->ws_error_action != nowarn_ws_error) { - record_ws_error(state, WS_BLANK_AT_EOF, "+", 1, - found_new_blank_lines_at_end); - if (state->ws_error_action == correct_ws_error) { - while (new_blank_lines_at_end--) - remove_last_line(&postimage); - } - /* - * We would want to prevent write_out_results() - * from taking place in apply_patch() that follows - * the callchain led us here, which is: - * apply_patch->check_patch_list->check_patch-> - * apply_data->apply_fragments->apply_one_fragment - */ - if (state->ws_error_action == die_on_ws_error) - state->apply = 0; - } - - if (state->apply_verbosely && applied_pos != pos) { - int offset = applied_pos - pos; - if (state->apply_in_reverse) - offset = 0 - offset; - fprintf_ln(stderr, - Q_("Hunk #%d succeeded at %d (offset %d line).", - "Hunk #%d succeeded at %d (offset %d lines).", - offset), - nth_fragment, applied_pos + 1, offset); - } - - /* - * Warn if it was necessary to reduce the number - * of context lines. - */ - if ((leading != frag->leading) || - (trailing != frag->trailing)) - fprintf_ln(stderr, _("Context reduced to (%ld/%ld)" - " to apply fragment at %d"), - leading, trailing, applied_pos+1); - update_image(state, img, applied_pos, &preimage, &postimage); - } else { - if (state->apply_verbosely) - error(_("while searching for:\n%.*s"), - (int)(old - oldlines), oldlines); - } - -out: - free(oldlines); - strbuf_release(&newlines); - free(preimage.line_allocated); - free(postimage.line_allocated); - - return (applied_pos < 0); -} - -static int apply_binary_fragment(struct apply_state *state, - struct image *img, - struct patch *patch) -{ - struct fragment *fragment = patch->fragments; - unsigned long len; - void *dst; - - if (!fragment) - return error(_("missing binary patch data for '%s'"), - patch->new_name ? - patch->new_name : - patch->old_name); - - /* Binary patch is irreversible without the optional second hunk */ - if (state->apply_in_reverse) { - if (!fragment->next) - return error("cannot reverse-apply a binary patch " - "without the reverse hunk to '%s'", - patch->new_name - ? patch->new_name : patch->old_name); - fragment = fragment->next; - } - switch (fragment->binary_patch_method) { - case BINARY_DELTA_DEFLATED: - dst = patch_delta(img->buf, img->len, fragment->patch, - fragment->size, &len); - if (!dst) - return -1; - clear_image(img); - img->buf = dst; - img->len = len; - return 0; - case BINARY_LITERAL_DEFLATED: - clear_image(img); - img->len = fragment->size; - img->buf = xmemdupz(fragment->patch, img->len); - return 0; - } - return -1; -} - -/* - * Replace "img" with the result of applying the binary patch. - * The binary patch data itself in patch->fragment is still kept - * but the preimage prepared by the caller in "img" is freed here - * or in the helper function apply_binary_fragment() this calls. - */ -static int apply_binary(struct apply_state *state, - struct image *img, - struct patch *patch) -{ - const char *name = patch->old_name ? patch->old_name : patch->new_name; - unsigned char sha1[20]; - - /* - * For safety, we require patch index line to contain - * full 40-byte textual SHA1 for old and new, at least for now. - */ - if (strlen(patch->old_sha1_prefix) != 40 || - strlen(patch->new_sha1_prefix) != 40 || - get_sha1_hex(patch->old_sha1_prefix, sha1) || - get_sha1_hex(patch->new_sha1_prefix, sha1)) - return error("cannot apply binary patch to '%s' " - "without full index line", name); - - if (patch->old_name) { - /* - * See if the old one matches what the patch - * applies to. - */ - hash_sha1_file(img->buf, img->len, blob_type, sha1); - if (strcmp(sha1_to_hex(sha1), patch->old_sha1_prefix)) - return error("the patch applies to '%s' (%s), " - "which does not match the " - "current contents.", - name, sha1_to_hex(sha1)); - } - else { - /* Otherwise, the old one must be empty. */ - if (img->len) - return error("the patch applies to an empty " - "'%s' but it is not empty", name); - } - - get_sha1_hex(patch->new_sha1_prefix, sha1); - if (is_null_sha1(sha1)) { - clear_image(img); - return 0; /* deletion patch */ - } - - if (has_sha1_file(sha1)) { - /* We already have the postimage */ - enum object_type type; - unsigned long size; - char *result; - - result = read_sha1_file(sha1, &type, &size); - if (!result) - return error("the necessary postimage %s for " - "'%s' cannot be read", - patch->new_sha1_prefix, name); - clear_image(img); - img->buf = result; - img->len = size; - } else { - /* - * We have verified buf matches the preimage; - * apply the patch data to it, which is stored - * in the patch->fragments->{patch,size}. - */ - if (apply_binary_fragment(state, img, patch)) - return error(_("binary patch does not apply to '%s'"), - name); - - /* verify that the result matches */ - hash_sha1_file(img->buf, img->len, blob_type, sha1); - if (strcmp(sha1_to_hex(sha1), patch->new_sha1_prefix)) - return error(_("binary patch to '%s' creates incorrect result (expecting %s, got %s)"), - name, patch->new_sha1_prefix, sha1_to_hex(sha1)); - } - - return 0; -} - -static int apply_fragments(struct apply_state *state, struct image *img, struct patch *patch) -{ - struct fragment *frag = patch->fragments; - const char *name = patch->old_name ? patch->old_name : patch->new_name; - unsigned ws_rule = patch->ws_rule; - unsigned inaccurate_eof = patch->inaccurate_eof; - int nth = 0; - - if (patch->is_binary) - return apply_binary(state, img, patch); - - while (frag) { - nth++; - if (apply_one_fragment(state, img, frag, inaccurate_eof, ws_rule, nth)) { - error(_("patch failed: %s:%ld"), name, frag->oldpos); - if (!state->apply_with_reject) - return -1; - frag->rejected = 1; - } - frag = frag->next; - } - return 0; -} - -static int read_blob_object(struct strbuf *buf, const unsigned char *sha1, unsigned mode) -{ - if (S_ISGITLINK(mode)) { - strbuf_grow(buf, 100); - strbuf_addf(buf, "Subproject commit %s\n", sha1_to_hex(sha1)); - } else { - enum object_type type; - unsigned long sz; - char *result; - - result = read_sha1_file(sha1, &type, &sz); - if (!result) - return -1; - /* XXX read_sha1_file NUL-terminates */ - strbuf_attach(buf, result, sz, sz + 1); - } - return 0; -} - -static int read_file_or_gitlink(const struct cache_entry *ce, struct strbuf *buf) -{ - if (!ce) - return 0; - return read_blob_object(buf, ce->sha1, ce->ce_mode); -} - -static struct patch *in_fn_table(struct apply_state *state, const char *name) -{ - struct string_list_item *item; - - if (name == NULL) - return NULL; - - item = string_list_lookup(&state->fn_table, name); - if (item != NULL) - return (struct patch *)item->util; - - return NULL; -} - -/* - * item->util in the filename table records the status of the path. - * Usually it points at a patch (whose result records the contents - * of it after applying it), but it could be PATH_WAS_DELETED for a - * path that a previously applied patch has already removed, or - * PATH_TO_BE_DELETED for a path that a later patch would remove. - * - * The latter is needed to deal with a case where two paths A and B - * are swapped by first renaming A to B and then renaming B to A; - * moving A to B should not be prevented due to presence of B as we - * will remove it in a later patch. - */ -#define PATH_TO_BE_DELETED ((struct patch *) -2) -#define PATH_WAS_DELETED ((struct patch *) -1) - -static int to_be_deleted(struct patch *patch) -{ - return patch == PATH_TO_BE_DELETED; -} - -static int was_deleted(struct patch *patch) -{ - return patch == PATH_WAS_DELETED; -} - -static void add_to_fn_table(struct apply_state *state, struct patch *patch) -{ - struct string_list_item *item; - - /* - * Always add new_name unless patch is a deletion - * This should cover the cases for normal diffs, - * file creations and copies - */ - if (patch->new_name != NULL) { - item = string_list_insert(&state->fn_table, patch->new_name); - item->util = patch; - } - - /* - * store a failure on rename/deletion cases because - * later chunks shouldn't patch old names - */ - if ((patch->new_name == NULL) || (patch->is_rename)) { - item = string_list_insert(&state->fn_table, patch->old_name); - item->util = PATH_WAS_DELETED; - } -} - -static void prepare_fn_table(struct apply_state *state, struct patch *patch) -{ - /* - * store information about incoming file deletion - */ - while (patch) { - if ((patch->new_name == NULL) || (patch->is_rename)) { - struct string_list_item *item; - item = string_list_insert(&state->fn_table, patch->old_name); - item->util = PATH_TO_BE_DELETED; - } - patch = patch->next; - } -} - -static int checkout_target(struct index_state *istate, - struct cache_entry *ce, struct stat *st) -{ - struct checkout costate; - - memset(&costate, 0, sizeof(costate)); - costate.base_dir = ""; - costate.refresh_cache = 1; - costate.istate = istate; - if (checkout_entry(ce, &costate, NULL) || lstat(ce->name, st)) - return error(_("cannot checkout %s"), ce->name); - return 0; -} - -static struct patch *previous_patch(struct apply_state *state, - struct patch *patch, - int *gone) -{ - struct patch *previous; - - *gone = 0; - if (patch->is_copy || patch->is_rename) - return NULL; /* "git" patches do not depend on the order */ - - previous = in_fn_table(state, patch->old_name); - if (!previous) - return NULL; - - if (to_be_deleted(previous)) - return NULL; /* the deletion hasn't happened yet */ - - if (was_deleted(previous)) - *gone = 1; - - return previous; -} - -static int verify_index_match(const struct cache_entry *ce, struct stat *st) -{ - if (S_ISGITLINK(ce->ce_mode)) { - if (!S_ISDIR(st->st_mode)) - return -1; - return 0; - } - return ce_match_stat(ce, st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE); -} - -#define SUBMODULE_PATCH_WITHOUT_INDEX 1 - -static int load_patch_target(struct apply_state *state, - struct strbuf *buf, - const struct cache_entry *ce, - struct stat *st, - const char *name, - unsigned expected_mode) -{ - if (state->cached || state->check_index) { - if (read_file_or_gitlink(ce, buf)) - return error(_("failed to read %s"), name); - } else if (name) { - if (S_ISGITLINK(expected_mode)) { - if (ce) - return read_file_or_gitlink(ce, buf); - else - return SUBMODULE_PATCH_WITHOUT_INDEX; - } else if (has_symlink_leading_path(name, strlen(name))) { - return error(_("reading from '%s' beyond a symbolic link"), name); - } else { - if (read_old_data(st, name, buf)) - return error(_("failed to read %s"), name); - } - } - return 0; -} - -/* - * We are about to apply "patch"; populate the "image" with the - * current version we have, from the working tree or from the index, - * depending on the situation e.g. --cached/--index. If we are - * applying a non-git patch that incrementally updates the tree, - * we read from the result of a previous diff. - */ -static int load_preimage(struct apply_state *state, - struct image *image, - struct patch *patch, struct stat *st, - const struct cache_entry *ce) -{ - struct strbuf buf = STRBUF_INIT; - size_t len; - char *img; - struct patch *previous; - int status; - - previous = previous_patch(state, patch, &status); - if (status) - return error(_("path %s has been renamed/deleted"), - patch->old_name); - if (previous) { - /* We have a patched copy in memory; use that. */ - strbuf_add(&buf, previous->result, previous->resultsize); - } else { - status = load_patch_target(state, &buf, ce, st, - patch->old_name, patch->old_mode); - if (status < 0) - return status; - else if (status == SUBMODULE_PATCH_WITHOUT_INDEX) { - /* - * There is no way to apply subproject - * patch without looking at the index. - * NEEDSWORK: shouldn't this be flagged - * as an error??? - */ - free_fragment_list(patch->fragments); - patch->fragments = NULL; - } else if (status) { - return error(_("failed to read %s"), patch->old_name); - } - } - - img = strbuf_detach(&buf, &len); - prepare_image(image, img, len, !patch->is_binary); - return 0; -} - -static int three_way_merge(struct image *image, - char *path, - const unsigned char *base, - const unsigned char *ours, - const unsigned char *theirs) -{ - mmfile_t base_file, our_file, their_file; - mmbuffer_t result = { NULL }; - int status; - - read_mmblob(&base_file, base); - read_mmblob(&our_file, ours); - read_mmblob(&their_file, theirs); - status = ll_merge(&result, path, - &base_file, "base", - &our_file, "ours", - &their_file, "theirs", NULL); - free(base_file.ptr); - free(our_file.ptr); - free(their_file.ptr); - if (status < 0 || !result.ptr) { - free(result.ptr); - return -1; - } - clear_image(image); - image->buf = result.ptr; - image->len = result.size; - - return status; -} - -/* - * When directly falling back to add/add three-way merge, we read from - * the current contents of the new_name. In no cases other than that - * this function will be called. - */ -static int load_current(struct apply_state *state, - struct image *image, - struct patch *patch) -{ - struct strbuf buf = STRBUF_INIT; - int status, pos; - size_t len; - char *img; - struct stat st; - struct cache_entry *ce; - char *name = patch->new_name; - unsigned mode = patch->new_mode; - - if (!patch->is_new) - die("BUG: patch to %s is not a creation", patch->old_name); - - pos = cache_name_pos(name, strlen(name)); - if (pos < 0) - return error(_("%s: does not exist in index"), name); - ce = active_cache[pos]; - if (lstat(name, &st)) { - if (errno != ENOENT) - return error(_("%s: %s"), name, strerror(errno)); - if (checkout_target(&the_index, ce, &st)) - return -1; - } - if (verify_index_match(ce, &st)) - return error(_("%s: does not match index"), name); - - status = load_patch_target(state, &buf, ce, &st, name, mode); - if (status < 0) - return status; - else if (status) - return -1; - img = strbuf_detach(&buf, &len); - prepare_image(image, img, len, !patch->is_binary); - return 0; -} - -static int try_threeway(struct apply_state *state, - struct image *image, - struct patch *patch, - struct stat *st, - const struct cache_entry *ce) -{ - unsigned char pre_sha1[20], post_sha1[20], our_sha1[20]; - struct strbuf buf = STRBUF_INIT; - size_t len; - int status; - char *img; - struct image tmp_image; - - /* No point falling back to 3-way merge in these cases */ - if (patch->is_delete || - S_ISGITLINK(patch->old_mode) || S_ISGITLINK(patch->new_mode)) - return -1; - - /* Preimage the patch was prepared for */ - if (patch->is_new) - write_sha1_file("", 0, blob_type, pre_sha1); - else if (get_sha1(patch->old_sha1_prefix, pre_sha1) || - read_blob_object(&buf, pre_sha1, patch->old_mode)) - return error("repository lacks the necessary blob to fall back on 3-way merge."); - - fprintf(stderr, "Falling back to three-way merge...\n"); - - img = strbuf_detach(&buf, &len); - prepare_image(&tmp_image, img, len, 1); - /* Apply the patch to get the post image */ - if (apply_fragments(state, &tmp_image, patch) < 0) { - clear_image(&tmp_image); - return -1; - } - /* post_sha1[] is theirs */ - write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, post_sha1); - clear_image(&tmp_image); - - /* our_sha1[] is ours */ - if (patch->is_new) { - if (load_current(state, &tmp_image, patch)) - return error("cannot read the current contents of '%s'", - patch->new_name); - } else { - if (load_preimage(state, &tmp_image, patch, st, ce)) - return error("cannot read the current contents of '%s'", - patch->old_name); - } - write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, our_sha1); - clear_image(&tmp_image); - - /* in-core three-way merge between post and our using pre as base */ - status = three_way_merge(image, patch->new_name, - pre_sha1, our_sha1, post_sha1); - if (status < 0) { - fprintf(stderr, "Failed to fall back on three-way merge...\n"); - return status; - } - - if (status) { - patch->conflicted_threeway = 1; - if (patch->is_new) - oidclr(&patch->threeway_stage[0]); - else - hashcpy(patch->threeway_stage[0].hash, pre_sha1); - hashcpy(patch->threeway_stage[1].hash, our_sha1); - hashcpy(patch->threeway_stage[2].hash, post_sha1); - fprintf(stderr, "Applied patch to '%s' with conflicts.\n", patch->new_name); - } else { - fprintf(stderr, "Applied patch to '%s' cleanly.\n", patch->new_name); - } - return 0; -} - -static int apply_data(struct apply_state *state, struct patch *patch, - struct stat *st, const struct cache_entry *ce) -{ - struct image image; - - if (load_preimage(state, &image, patch, st, ce) < 0) - return -1; - - if (patch->direct_to_threeway || - apply_fragments(state, &image, patch) < 0) { - /* Note: with --reject, apply_fragments() returns 0 */ - if (!state->threeway || try_threeway(state, &image, patch, st, ce) < 0) - return -1; - } - patch->result = image.buf; - patch->resultsize = image.len; - add_to_fn_table(state, patch); - free(image.line_allocated); - - if (0 < patch->is_delete && patch->resultsize) - return error(_("removal patch leaves file contents")); - - return 0; -} - -/* - * If "patch" that we are looking at modifies or deletes what we have, - * we would want it not to lose any local modification we have, either - * in the working tree or in the index. - * - * This also decides if a non-git patch is a creation patch or a - * modification to an existing empty file. We do not check the state - * of the current tree for a creation patch in this function; the caller - * check_patch() separately makes sure (and errors out otherwise) that - * the path the patch creates does not exist in the current tree. - */ -static int check_preimage(struct apply_state *state, - struct patch *patch, - struct cache_entry **ce, - struct stat *st) -{ - const char *old_name = patch->old_name; - struct patch *previous = NULL; - int stat_ret = 0, status; - unsigned st_mode = 0; - - if (!old_name) - return 0; - - assert(patch->is_new <= 0); - previous = previous_patch(state, patch, &status); - - if (status) - return error(_("path %s has been renamed/deleted"), old_name); - if (previous) { - st_mode = previous->new_mode; - } else if (!state->cached) { - stat_ret = lstat(old_name, st); - if (stat_ret && errno != ENOENT) - return error(_("%s: %s"), old_name, strerror(errno)); - } - - if (state->check_index && !previous) { - int pos = cache_name_pos(old_name, strlen(old_name)); - if (pos < 0) { - if (patch->is_new < 0) - goto is_new; - return error(_("%s: does not exist in index"), old_name); - } - *ce = active_cache[pos]; - if (stat_ret < 0) { - if (checkout_target(&the_index, *ce, st)) - return -1; - } - if (!state->cached && verify_index_match(*ce, st)) - return error(_("%s: does not match index"), old_name); - if (state->cached) - st_mode = (*ce)->ce_mode; - } else if (stat_ret < 0) { - if (patch->is_new < 0) - goto is_new; - return error(_("%s: %s"), old_name, strerror(errno)); - } - - if (!state->cached && !previous) - st_mode = ce_mode_from_stat(*ce, st->st_mode); - - if (patch->is_new < 0) - patch->is_new = 0; - if (!patch->old_mode) - patch->old_mode = st_mode; - if ((st_mode ^ patch->old_mode) & S_IFMT) - return error(_("%s: wrong type"), old_name); - if (st_mode != patch->old_mode) - warning(_("%s has type %o, expected %o"), - old_name, st_mode, patch->old_mode); - if (!patch->new_mode && !patch->is_delete) - patch->new_mode = st_mode; - return 0; - - is_new: - patch->is_new = 1; - patch->is_delete = 0; - free(patch->old_name); - patch->old_name = NULL; - return 0; -} - - -#define EXISTS_IN_INDEX 1 -#define EXISTS_IN_WORKTREE 2 - -static int check_to_create(struct apply_state *state, - const char *new_name, - int ok_if_exists) -{ - struct stat nst; - - if (state->check_index && - cache_name_pos(new_name, strlen(new_name)) >= 0 && - !ok_if_exists) - return EXISTS_IN_INDEX; - if (state->cached) - return 0; - - if (!lstat(new_name, &nst)) { - if (S_ISDIR(nst.st_mode) || ok_if_exists) - return 0; - /* - * A leading component of new_name might be a symlink - * that is going to be removed with this patch, but - * still pointing at somewhere that has the path. - * In such a case, path "new_name" does not exist as - * far as git is concerned. - */ - if (has_symlink_leading_path(new_name, strlen(new_name))) - return 0; - - return EXISTS_IN_WORKTREE; - } else if ((errno != ENOENT) && (errno != ENOTDIR)) { - return error("%s: %s", new_name, strerror(errno)); - } - return 0; -} - -static uintptr_t register_symlink_changes(struct apply_state *state, - const char *path, - uintptr_t what) -{ - struct string_list_item *ent; - - ent = string_list_lookup(&state->symlink_changes, path); - if (!ent) { - ent = string_list_insert(&state->symlink_changes, path); - ent->util = (void *)0; - } - ent->util = (void *)(what | ((uintptr_t)ent->util)); - return (uintptr_t)ent->util; -} - -static uintptr_t check_symlink_changes(struct apply_state *state, const char *path) -{ - struct string_list_item *ent; - - ent = string_list_lookup(&state->symlink_changes, path); - if (!ent) - return 0; - return (uintptr_t)ent->util; -} - -static void prepare_symlink_changes(struct apply_state *state, struct patch *patch) -{ - for ( ; patch; patch = patch->next) { - if ((patch->old_name && S_ISLNK(patch->old_mode)) && - (patch->is_rename || patch->is_delete)) - /* the symlink at patch->old_name is removed */ - register_symlink_changes(state, patch->old_name, SYMLINK_GOES_AWAY); - - if (patch->new_name && S_ISLNK(patch->new_mode)) - /* the symlink at patch->new_name is created or remains */ - register_symlink_changes(state, patch->new_name, SYMLINK_IN_RESULT); - } -} - -static int path_is_beyond_symlink_1(struct apply_state *state, struct strbuf *name) -{ - do { - unsigned int change; - - while (--name->len && name->buf[name->len] != '/') - ; /* scan backwards */ - if (!name->len) - break; - name->buf[name->len] = '\0'; - change = check_symlink_changes(state, name->buf); - if (change & SYMLINK_IN_RESULT) - return 1; - if (change & SYMLINK_GOES_AWAY) - /* - * This cannot be "return 0", because we may - * see a new one created at a higher level. - */ - continue; - - /* otherwise, check the preimage */ - if (state->check_index) { - struct cache_entry *ce; - - ce = cache_file_exists(name->buf, name->len, ignore_case); - if (ce && S_ISLNK(ce->ce_mode)) - return 1; - } else { - struct stat st; - if (!lstat(name->buf, &st) && S_ISLNK(st.st_mode)) - return 1; - } - } while (1); - return 0; -} - -static int path_is_beyond_symlink(struct apply_state *state, const char *name_) -{ - int ret; - struct strbuf name = STRBUF_INIT; - - assert(*name_ != '\0'); - strbuf_addstr(&name, name_); - ret = path_is_beyond_symlink_1(state, &name); - strbuf_release(&name); - - return ret; -} - -static void die_on_unsafe_path(struct patch *patch) -{ - const char *old_name = NULL; - const char *new_name = NULL; - if (patch->is_delete) - old_name = patch->old_name; - else if (!patch->is_new && !patch->is_copy) - old_name = patch->old_name; - if (!patch->is_delete) - new_name = patch->new_name; - - if (old_name && !verify_path(old_name)) - die(_("invalid path '%s'"), old_name); - if (new_name && !verify_path(new_name)) - die(_("invalid path '%s'"), new_name); -} - -/* - * Check and apply the patch in-core; leave the result in patch->result - * for the caller to write it out to the final destination. - */ -static int check_patch(struct apply_state *state, struct patch *patch) -{ - struct stat st; - const char *old_name = patch->old_name; - const char *new_name = patch->new_name; - const char *name = old_name ? old_name : new_name; - struct cache_entry *ce = NULL; - struct patch *tpatch; - int ok_if_exists; - int status; - - patch->rejected = 1; /* we will drop this after we succeed */ - - status = check_preimage(state, patch, &ce, &st); - if (status) - return status; - old_name = patch->old_name; - - /* - * A type-change diff is always split into a patch to delete - * old, immediately followed by a patch to create new (see - * diff.c::run_diff()); in such a case it is Ok that the entry - * to be deleted by the previous patch is still in the working - * tree and in the index. - * - * A patch to swap-rename between A and B would first rename A - * to B and then rename B to A. While applying the first one, - * the presence of B should not stop A from getting renamed to - * B; ask to_be_deleted() about the later rename. Removal of - * B and rename from A to B is handled the same way by asking - * was_deleted(). - */ - if ((tpatch = in_fn_table(state, new_name)) && - (was_deleted(tpatch) || to_be_deleted(tpatch))) - ok_if_exists = 1; - else - ok_if_exists = 0; - - if (new_name && - ((0 < patch->is_new) || patch->is_rename || patch->is_copy)) { - int err = check_to_create(state, new_name, ok_if_exists); - - if (err && state->threeway) { - patch->direct_to_threeway = 1; - } else switch (err) { - case 0: - break; /* happy */ - case EXISTS_IN_INDEX: - return error(_("%s: already exists in index"), new_name); - break; - case EXISTS_IN_WORKTREE: - return error(_("%s: already exists in working directory"), - new_name); - default: - return err; - } - - if (!patch->new_mode) { - if (0 < patch->is_new) - patch->new_mode = S_IFREG | 0644; - else - patch->new_mode = patch->old_mode; - } - } - - if (new_name && old_name) { - int same = !strcmp(old_name, new_name); - if (!patch->new_mode) - patch->new_mode = patch->old_mode; - if ((patch->old_mode ^ patch->new_mode) & S_IFMT) { - if (same) - return error(_("new mode (%o) of %s does not " - "match old mode (%o)"), - patch->new_mode, new_name, - patch->old_mode); - else - return error(_("new mode (%o) of %s does not " - "match old mode (%o) of %s"), - patch->new_mode, new_name, - patch->old_mode, old_name); - } - } - - if (!state->unsafe_paths) - die_on_unsafe_path(patch); - - /* - * An attempt to read from or delete a path that is beyond a - * symbolic link will be prevented by load_patch_target() that - * is called at the beginning of apply_data() so we do not - * have to worry about a patch marked with "is_delete" bit - * here. We however need to make sure that the patch result - * is not deposited to a path that is beyond a symbolic link - * here. - */ - if (!patch->is_delete && path_is_beyond_symlink(state, patch->new_name)) - return error(_("affected file '%s' is beyond a symbolic link"), - patch->new_name); - - if (apply_data(state, patch, &st, ce) < 0) - return error(_("%s: patch does not apply"), name); - patch->rejected = 0; - return 0; -} - -static int check_patch_list(struct apply_state *state, struct patch *patch) -{ - int err = 0; - - prepare_symlink_changes(state, patch); - prepare_fn_table(state, patch); - while (patch) { - if (state->apply_verbosely) - say_patch_name(stderr, - _("Checking patch %s..."), patch); - err |= check_patch(state, patch); - patch = patch->next; - } - return err; -} - -/* This function tries to read the sha1 from the current index */ -static int get_current_sha1(const char *path, unsigned char *sha1) -{ - int pos; - - if (read_cache() < 0) - return -1; - pos = cache_name_pos(path, strlen(path)); - if (pos < 0) - return -1; - hashcpy(sha1, active_cache[pos]->sha1); - return 0; -} - -static int preimage_sha1_in_gitlink_patch(struct patch *p, unsigned char sha1[20]) -{ - /* - * A usable gitlink patch has only one fragment (hunk) that looks like: - * @@ -1 +1 @@ - * -Subproject commit <old sha1> - * +Subproject commit <new sha1> - * or - * @@ -1 +0,0 @@ - * -Subproject commit <old sha1> - * for a removal patch. - */ - struct fragment *hunk = p->fragments; - static const char heading[] = "-Subproject commit "; - char *preimage; - - if (/* does the patch have only one hunk? */ - hunk && !hunk->next && - /* is its preimage one line? */ - hunk->oldpos == 1 && hunk->oldlines == 1 && - /* does preimage begin with the heading? */ - (preimage = memchr(hunk->patch, '\n', hunk->size)) != NULL && - starts_with(++preimage, heading) && - /* does it record full SHA-1? */ - !get_sha1_hex(preimage + sizeof(heading) - 1, sha1) && - preimage[sizeof(heading) + 40 - 1] == '\n' && - /* does the abbreviated name on the index line agree with it? */ - starts_with(preimage + sizeof(heading) - 1, p->old_sha1_prefix)) - return 0; /* it all looks fine */ - - /* we may have full object name on the index line */ - return get_sha1_hex(p->old_sha1_prefix, sha1); -} - -/* Build an index that contains the just the files needed for a 3way merge */ -static void build_fake_ancestor(struct patch *list, const char *filename) -{ - struct patch *patch; - struct index_state result = { NULL }; - static struct lock_file lock; - - /* Once we start supporting the reverse patch, it may be - * worth showing the new sha1 prefix, but until then... - */ - for (patch = list; patch; patch = patch->next) { - unsigned char sha1[20]; - struct cache_entry *ce; - const char *name; - - name = patch->old_name ? patch->old_name : patch->new_name; - if (0 < patch->is_new) - continue; - - if (S_ISGITLINK(patch->old_mode)) { - if (!preimage_sha1_in_gitlink_patch(patch, sha1)) - ; /* ok, the textual part looks sane */ - else - die("sha1 information is lacking or useless for submodule %s", - name); - } else if (!get_sha1_blob(patch->old_sha1_prefix, sha1)) { - ; /* ok */ - } else if (!patch->lines_added && !patch->lines_deleted) { - /* mode-only change: update the current */ - if (get_current_sha1(patch->old_name, sha1)) - die("mode change for %s, which is not " - "in current HEAD", name); - } else - die("sha1 information is lacking or useless " - "(%s).", name); - - ce = make_cache_entry(patch->old_mode, sha1, name, 0, 0); - if (!ce) - die(_("make_cache_entry failed for path '%s'"), name); - if (add_index_entry(&result, ce, ADD_CACHE_OK_TO_ADD)) - die ("Could not add %s to temporary index", name); - } - - hold_lock_file_for_update(&lock, filename, LOCK_DIE_ON_ERROR); - if (write_locked_index(&result, &lock, COMMIT_LOCK)) - die ("Could not write temporary index to %s", filename); - - discard_index(&result); -} - -static void stat_patch_list(struct apply_state *state, struct patch *patch) -{ - int files, adds, dels; - - for (files = adds = dels = 0 ; patch ; patch = patch->next) { - files++; - adds += patch->lines_added; - dels += patch->lines_deleted; - show_stats(state, patch); - } - - print_stat_summary(stdout, files, adds, dels); -} - -static void numstat_patch_list(struct apply_state *state, - struct patch *patch) -{ - for ( ; patch; patch = patch->next) { - const char *name; - name = patch->new_name ? patch->new_name : patch->old_name; - if (patch->is_binary) - printf("-\t-\t"); - else - printf("%d\t%d\t", patch->lines_added, patch->lines_deleted); - write_name_quoted(name, stdout, state->line_termination); - } -} - -static void show_file_mode_name(const char *newdelete, unsigned int mode, const char *name) -{ - if (mode) - printf(" %s mode %06o %s\n", newdelete, mode, name); - else - printf(" %s %s\n", newdelete, name); -} - -static void show_mode_change(struct patch *p, int show_name) -{ - if (p->old_mode && p->new_mode && p->old_mode != p->new_mode) { - if (show_name) - printf(" mode change %06o => %06o %s\n", - p->old_mode, p->new_mode, p->new_name); - else - printf(" mode change %06o => %06o\n", - p->old_mode, p->new_mode); - } -} - -static void show_rename_copy(struct patch *p) -{ - const char *renamecopy = p->is_rename ? "rename" : "copy"; - const char *old, *new; - - /* Find common prefix */ - old = p->old_name; - new = p->new_name; - while (1) { - const char *slash_old, *slash_new; - slash_old = strchr(old, '/'); - slash_new = strchr(new, '/'); - if (!slash_old || - !slash_new || - slash_old - old != slash_new - new || - memcmp(old, new, slash_new - new)) - break; - old = slash_old + 1; - new = slash_new + 1; - } - /* p->old_name thru old is the common prefix, and old and new - * through the end of names are renames - */ - if (old != p->old_name) - printf(" %s %.*s{%s => %s} (%d%%)\n", renamecopy, - (int)(old - p->old_name), p->old_name, - old, new, p->score); - else - printf(" %s %s => %s (%d%%)\n", renamecopy, - p->old_name, p->new_name, p->score); - show_mode_change(p, 0); -} - -static void summary_patch_list(struct patch *patch) -{ - struct patch *p; - - for (p = patch; p; p = p->next) { - if (p->is_new) - show_file_mode_name("create", p->new_mode, p->new_name); - else if (p->is_delete) - show_file_mode_name("delete", p->old_mode, p->old_name); - else { - if (p->is_rename || p->is_copy) - show_rename_copy(p); - else { - if (p->score) { - printf(" rewrite %s (%d%%)\n", - p->new_name, p->score); - show_mode_change(p, 0); - } - else - show_mode_change(p, 1); - } - } - } -} - -static void patch_stats(struct apply_state *state, struct patch *patch) -{ - int lines = patch->lines_added + patch->lines_deleted; - - if (lines > state->max_change) - state->max_change = lines; - if (patch->old_name) { - int len = quote_c_style(patch->old_name, NULL, NULL, 0); - if (!len) - len = strlen(patch->old_name); - if (len > state->max_len) - state->max_len = len; - } - if (patch->new_name) { - int len = quote_c_style(patch->new_name, NULL, NULL, 0); - if (!len) - len = strlen(patch->new_name); - if (len > state->max_len) - state->max_len = len; - } -} - -static void remove_file(struct apply_state *state, struct patch *patch, int rmdir_empty) -{ - if (state->update_index) { - if (remove_file_from_cache(patch->old_name) < 0) - die(_("unable to remove %s from index"), patch->old_name); - } - if (!state->cached) { - if (!remove_or_warn(patch->old_mode, patch->old_name) && rmdir_empty) { - remove_path(patch->old_name); - } - } -} - -static void add_index_file(struct apply_state *state, - const char *path, - unsigned mode, - void *buf, - unsigned long size) -{ - struct stat st; - struct cache_entry *ce; - int namelen = strlen(path); - unsigned ce_size = cache_entry_size(namelen); - - if (!state->update_index) - return; - - ce = xcalloc(1, ce_size); - memcpy(ce->name, path, namelen); - ce->ce_mode = create_ce_mode(mode); - ce->ce_flags = create_ce_flags(0); - ce->ce_namelen = namelen; - if (S_ISGITLINK(mode)) { - const char *s; - - if (!skip_prefix(buf, "Subproject commit ", &s) || - get_sha1_hex(s, ce->sha1)) - die(_("corrupt patch for submodule %s"), path); - } else { - if (!state->cached) { - if (lstat(path, &st) < 0) - die_errno(_("unable to stat newly created file '%s'"), - path); - fill_stat_cache_info(ce, &st); - } - if (write_sha1_file(buf, size, blob_type, ce->sha1) < 0) - die(_("unable to create backing store for newly created file %s"), path); - } - if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) - die(_("unable to add cache entry for %s"), path); -} - -static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size) -{ - int fd; - struct strbuf nbuf = STRBUF_INIT; - - if (S_ISGITLINK(mode)) { - struct stat st; - if (!lstat(path, &st) && S_ISDIR(st.st_mode)) - return 0; - return mkdir(path, 0777); - } - - if (has_symlinks && S_ISLNK(mode)) - /* Although buf:size is counted string, it also is NUL - * terminated. - */ - return symlink(buf, path); - - fd = open(path, O_CREAT | O_EXCL | O_WRONLY, (mode & 0100) ? 0777 : 0666); - if (fd < 0) - return -1; - - if (convert_to_working_tree(path, buf, size, &nbuf)) { - size = nbuf.len; - buf = nbuf.buf; - } - write_or_die(fd, buf, size); - strbuf_release(&nbuf); - - if (close(fd) < 0) - die_errno(_("closing file '%s'"), path); - return 0; -} - -/* - * We optimistically assume that the directories exist, - * which is true 99% of the time anyway. If they don't, - * we create them and try again. - */ -static void create_one_file(struct apply_state *state, - char *path, - unsigned mode, - const char *buf, - unsigned long size) -{ - if (state->cached) - return; - if (!try_create_file(path, mode, buf, size)) - return; - - if (errno == ENOENT) { - if (safe_create_leading_directories(path)) - return; - if (!try_create_file(path, mode, buf, size)) - return; - } - - if (errno == EEXIST || errno == EACCES) { - /* We may be trying to create a file where a directory - * used to be. - */ - struct stat st; - if (!lstat(path, &st) && (!S_ISDIR(st.st_mode) || !rmdir(path))) - errno = EEXIST; - } - - if (errno == EEXIST) { - unsigned int nr = getpid(); - - for (;;) { - char newpath[PATH_MAX]; - mksnpath(newpath, sizeof(newpath), "%s~%u", path, nr); - if (!try_create_file(newpath, mode, buf, size)) { - if (!rename(newpath, path)) - return; - unlink_or_warn(newpath); - break; - } - if (errno != EEXIST) - break; - ++nr; - } - } - die_errno(_("unable to write file '%s' mode %o"), path, mode); -} - -static void add_conflicted_stages_file(struct apply_state *state, - struct patch *patch) -{ - int stage, namelen; - unsigned ce_size, mode; - struct cache_entry *ce; - - if (!state->update_index) - return; - namelen = strlen(patch->new_name); - ce_size = cache_entry_size(namelen); - mode = patch->new_mode ? patch->new_mode : (S_IFREG | 0644); - - remove_file_from_cache(patch->new_name); - for (stage = 1; stage < 4; stage++) { - if (is_null_oid(&patch->threeway_stage[stage - 1])) - continue; - ce = xcalloc(1, ce_size); - memcpy(ce->name, patch->new_name, namelen); - ce->ce_mode = create_ce_mode(mode); - ce->ce_flags = create_ce_flags(stage); - ce->ce_namelen = namelen; - hashcpy(ce->sha1, patch->threeway_stage[stage - 1].hash); - if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) - die(_("unable to add cache entry for %s"), patch->new_name); - } -} - -static void create_file(struct apply_state *state, struct patch *patch) -{ - char *path = patch->new_name; - unsigned mode = patch->new_mode; - unsigned long size = patch->resultsize; - char *buf = patch->result; - - if (!mode) - mode = S_IFREG | 0644; - create_one_file(state, path, mode, buf, size); - - if (patch->conflicted_threeway) - add_conflicted_stages_file(state, patch); - else - add_index_file(state, path, mode, buf, size); -} - -/* phase zero is to remove, phase one is to create */ -static void write_out_one_result(struct apply_state *state, - struct patch *patch, - int phase) -{ - if (patch->is_delete > 0) { - if (phase == 0) - remove_file(state, patch, 1); - return; - } - if (patch->is_new > 0 || patch->is_copy) { - if (phase == 1) - create_file(state, patch); - return; - } - /* - * Rename or modification boils down to the same - * thing: remove the old, write the new - */ - if (phase == 0) - remove_file(state, patch, patch->is_rename); - if (phase == 1) - create_file(state, patch); -} - -static int write_out_one_reject(struct apply_state *state, struct patch *patch) -{ - FILE *rej; - char namebuf[PATH_MAX]; - struct fragment *frag; - int cnt = 0; - struct strbuf sb = STRBUF_INIT; - - for (cnt = 0, frag = patch->fragments; frag; frag = frag->next) { - if (!frag->rejected) - continue; - cnt++; - } - - if (!cnt) { - if (state->apply_verbosely) - say_patch_name(stderr, - _("Applied patch %s cleanly."), patch); - return 0; - } - - /* This should not happen, because a removal patch that leaves - * contents are marked "rejected" at the patch level. - */ - if (!patch->new_name) - die(_("internal error")); - - /* Say this even without --verbose */ - strbuf_addf(&sb, Q_("Applying patch %%s with %d reject...", - "Applying patch %%s with %d rejects...", - cnt), - cnt); - say_patch_name(stderr, sb.buf, patch); - strbuf_release(&sb); - - cnt = strlen(patch->new_name); - if (ARRAY_SIZE(namebuf) <= cnt + 5) { - cnt = ARRAY_SIZE(namebuf) - 5; - warning(_("truncating .rej filename to %.*s.rej"), - cnt - 1, patch->new_name); - } - memcpy(namebuf, patch->new_name, cnt); - memcpy(namebuf + cnt, ".rej", 5); - - rej = fopen(namebuf, "w"); - if (!rej) - return error(_("cannot open %s: %s"), namebuf, strerror(errno)); - - /* Normal git tools never deal with .rej, so do not pretend - * this is a git patch by saying --git or giving extended - * headers. While at it, maybe please "kompare" that wants - * the trailing TAB and some garbage at the end of line ;-). - */ - fprintf(rej, "diff a/%s b/%s\t(rejected hunks)\n", - patch->new_name, patch->new_name); - for (cnt = 1, frag = patch->fragments; - frag; - cnt++, frag = frag->next) { - if (!frag->rejected) { - fprintf_ln(stderr, _("Hunk #%d applied cleanly."), cnt); - continue; - } - fprintf_ln(stderr, _("Rejected hunk #%d."), cnt); - fprintf(rej, "%.*s", frag->size, frag->patch); - if (frag->patch[frag->size-1] != '\n') - fputc('\n', rej); - } - fclose(rej); - return -1; -} - -static int write_out_results(struct apply_state *state, struct patch *list) -{ - int phase; - int errs = 0; - struct patch *l; - struct string_list cpath = STRING_LIST_INIT_DUP; - - for (phase = 0; phase < 2; phase++) { - l = list; - while (l) { - if (l->rejected) - errs = 1; - else { - write_out_one_result(state, l, phase); - if (phase == 1) { - if (write_out_one_reject(state, l)) - errs = 1; - if (l->conflicted_threeway) { - string_list_append(&cpath, l->new_name); - errs = 1; - } - } - } - l = l->next; - } - } - - if (cpath.nr) { - struct string_list_item *item; - - string_list_sort(&cpath); - for_each_string_list_item(item, &cpath) - fprintf(stderr, "U %s\n", item->string); - string_list_clear(&cpath, 0); - - rerere(0); - } - - return errs; -} - static struct lock_file lock_file; -#define INACCURATE_EOF (1<<0) -#define RECOUNT (1<<1) - -static int apply_patch(struct apply_state *state, - int fd, - const char *filename, - int options) -{ - size_t offset; - struct strbuf buf = STRBUF_INIT; /* owns the patch text */ - struct patch *list = NULL, **listp = &list; - int skipped_patch = 0; - - state->patch_input_file = filename; - read_patch_file(&buf, fd); - offset = 0; - while (offset < buf.len) { - struct patch *patch; - int nr; - - patch = xcalloc(1, sizeof(*patch)); - patch->inaccurate_eof = !!(options & INACCURATE_EOF); - patch->recount = !!(options & RECOUNT); - nr = parse_chunk(state, buf.buf + offset, buf.len - offset, patch); - if (nr < 0) { - free_patch(patch); - break; - } - if (state->apply_in_reverse) - reverse_patches(patch); - if (use_patch(state, patch)) { - patch_stats(state, patch); - *listp = patch; - listp = &patch->next; - } - else { - if (state->apply_verbosely) - say_patch_name(stderr, _("Skipped patch '%s'."), patch); - free_patch(patch); - skipped_patch++; - } - offset += nr; - } - - if (!list && !skipped_patch) - die(_("unrecognized input")); - - if (state->whitespace_error && (state->ws_error_action == die_on_ws_error)) - state->apply = 0; - - state->update_index = state->check_index && state->apply; - if (state->update_index && state->newfd < 0) - state->newfd = hold_locked_index(state->lock_file, 1); - - if (state->check_index) { - if (read_cache() < 0) - die(_("unable to read index file")); - } - - if ((state->check || state->apply) && - check_patch_list(state, list) < 0 && - !state->apply_with_reject) - exit(1); - - if (state->apply && write_out_results(state, list)) { - if (state->apply_with_reject) - exit(1); - /* with --3way, we still need to write the index out */ - return 1; - } - - if (state->fake_ancestor) - build_fake_ancestor(list, state->fake_ancestor); - - if (state->diffstat) - stat_patch_list(state, list); - - if (state->numstat) - numstat_patch_list(state, list); - - if (state->summary) - summary_patch_list(list); - - free_patch_list(list); - strbuf_release(&buf); - string_list_clear(&state->fn_table, 0); - return 0; -} - -static void git_apply_config(void) -{ - git_config_get_string_const("apply.whitespace", &apply_default_whitespace); - git_config_get_string_const("apply.ignorewhitespace", &apply_default_ignorewhitespace); - git_config(git_default_config, NULL); -} - -static int option_parse_exclude(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - add_name_limit(state, arg, 1); - return 0; -} - -static int option_parse_include(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - add_name_limit(state, arg, 0); - state->has_include = 1; - return 0; -} - -static int option_parse_p(const struct option *opt, - const char *arg, - int unset) -{ - struct apply_state *state = opt->value; - state->p_value = atoi(arg); - state->p_value_known = 1; - return 0; -} - -static int option_parse_space_change(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - if (unset) - state->ws_ignore_action = ignore_ws_none; - else - state->ws_ignore_action = ignore_ws_change; - return 0; -} - -static int option_parse_whitespace(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - state->whitespace_option = arg; - parse_whitespace_option(state, arg); - return 0; -} - -static int option_parse_directory(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - strbuf_reset(&state->root); - strbuf_addstr(&state->root, arg); - strbuf_complete(&state->root, '/'); - return 0; -} - -static void init_apply_state(struct apply_state *state, - const char *prefix, - struct lock_file *lock_file) -{ - memset(state, 0, sizeof(*state)); - state->prefix = prefix; - state->prefix_length = state->prefix ? strlen(state->prefix) : 0; - state->lock_file = lock_file; - state->newfd = -1; - state->apply = 1; - state->line_termination = '\n'; - state->p_value = 1; - state->p_context = UINT_MAX; - state->squelch_whitespace_errors = 5; - state->ws_error_action = warn_on_ws_error; - state->ws_ignore_action = ignore_ws_none; - state->linenr = 1; - string_list_init(&state->fn_table, 0); - string_list_init(&state->limit_by_name, 0); - string_list_init(&state->symlink_changes, 0); - strbuf_init(&state->root, 0); - - git_apply_config(); - if (apply_default_whitespace) - parse_whitespace_option(state, apply_default_whitespace); - if (apply_default_ignorewhitespace) - parse_ignorewhitespace_option(state, apply_default_ignorewhitespace); -} - -static void clear_apply_state(struct apply_state *state) -{ - string_list_clear(&state->limit_by_name, 0); - string_list_clear(&state->symlink_changes, 0); - strbuf_release(&state->root); - - /* &state->fn_table is cleared at the end of apply_patch() */ -} - -static void check_apply_state(struct apply_state *state, int force_apply) -{ - int is_not_gitdir = !startup_info->have_repository; - - if (state->apply_with_reject && state->threeway) - die("--reject and --3way cannot be used together."); - if (state->cached && state->threeway) - die("--cached and --3way cannot be used together."); - if (state->threeway) { - if (is_not_gitdir) - die(_("--3way outside a repository")); - state->check_index = 1; - } - if (state->apply_with_reject) - state->apply = state->apply_verbosely = 1; - if (!force_apply && (state->diffstat || state->numstat || state->summary || state->check || state->fake_ancestor)) - state->apply = 0; - if (state->check_index && is_not_gitdir) - die(_("--index outside a repository")); - if (state->cached) { - if (is_not_gitdir) - die(_("--cached outside a repository")); - state->check_index = 1; - } - if (state->check_index) - state->unsafe_paths = 0; - if (!state->lock_file) - die("BUG: state->lock_file should not be NULL"); -} - -static int apply_all_patches(struct apply_state *state, - int argc, - const char **argv, - int options) -{ - int i; - int errs = 0; - int read_stdin = 1; - - for (i = 0; i < argc; i++) { - const char *arg = argv[i]; - int fd; - - if (!strcmp(arg, "-")) { - errs |= apply_patch(state, 0, "<stdin>", options); - read_stdin = 0; - continue; - } else if (0 < state->prefix_length) - arg = prefix_filename(state->prefix, - state->prefix_length, - arg); - - fd = open(arg, O_RDONLY); - if (fd < 0) - die_errno(_("can't open patch '%s'"), arg); - read_stdin = 0; - set_default_whitespace_mode(state); - errs |= apply_patch(state, fd, arg, options); - close(fd); - } - set_default_whitespace_mode(state); - if (read_stdin) - errs |= apply_patch(state, 0, "<stdin>", options); - - if (state->whitespace_error) { - if (state->squelch_whitespace_errors && - state->squelch_whitespace_errors < state->whitespace_error) { - int squelched = - state->whitespace_error - state->squelch_whitespace_errors; - warning(Q_("squelched %d whitespace error", - "squelched %d whitespace errors", - squelched), - squelched); - } - if (state->ws_error_action == die_on_ws_error) - die(Q_("%d line adds whitespace errors.", - "%d lines add whitespace errors.", - state->whitespace_error), - state->whitespace_error); - if (state->applied_after_fixing_ws && state->apply) - warning("%d line%s applied after" - " fixing whitespace errors.", - state->applied_after_fixing_ws, - state->applied_after_fixing_ws == 1 ? "" : "s"); - else if (state->whitespace_error) - warning(Q_("%d line adds whitespace errors.", - "%d lines add whitespace errors.", - state->whitespace_error), - state->whitespace_error); - } - - if (state->update_index) { - if (write_locked_index(&the_index, state->lock_file, COMMIT_LOCK)) - die(_("Unable to write new index file")); - state->newfd = -1; - } - - return !!errs; -} - int cmd_apply(int argc, const char **argv, const char *prefix) { int force_apply = 0; @@ -4795,81 +18,15 @@ int cmd_apply(int argc, const char **argv, const char *prefix) int ret; struct apply_state state; - struct option builtin_apply_options[] = { - { OPTION_CALLBACK, 0, "exclude", &state, N_("path"), - N_("don't apply changes matching the given path"), - 0, option_parse_exclude }, - { OPTION_CALLBACK, 0, "include", &state, N_("path"), - N_("apply changes matching the given path"), - 0, option_parse_include }, - { OPTION_CALLBACK, 'p', NULL, &state, N_("num"), - N_("remove <num> leading slashes from traditional diff paths"), - 0, option_parse_p }, - OPT_BOOL(0, "no-add", &state.no_add, - N_("ignore additions made by the patch")), - OPT_BOOL(0, "stat", &state.diffstat, - N_("instead of applying the patch, output diffstat for the input")), - OPT_NOOP_NOARG(0, "allow-binary-replacement"), - OPT_NOOP_NOARG(0, "binary"), - OPT_BOOL(0, "numstat", &state.numstat, - N_("show number of added and deleted lines in decimal notation")), - OPT_BOOL(0, "summary", &state.summary, - N_("instead of applying the patch, output a summary for the input")), - OPT_BOOL(0, "check", &state.check, - N_("instead of applying the patch, see if the patch is applicable")), - OPT_BOOL(0, "index", &state.check_index, - N_("make sure the patch is applicable to the current index")), - OPT_BOOL(0, "cached", &state.cached, - N_("apply a patch without touching the working tree")), - OPT_BOOL(0, "unsafe-paths", &state.unsafe_paths, - N_("accept a patch that touches outside the working area")), - OPT_BOOL(0, "apply", &force_apply, - N_("also apply the patch (use with --stat/--summary/--check)")), - OPT_BOOL('3', "3way", &state.threeway, - N_( "attempt three-way merge if a patch does not apply")), - OPT_FILENAME(0, "build-fake-ancestor", &state.fake_ancestor, - N_("build a temporary index based on embedded index information")), - /* Think twice before adding "--nul" synonym to this */ - OPT_SET_INT('z', NULL, &state.line_termination, - N_("paths are separated with NUL character"), '\0'), - OPT_INTEGER('C', NULL, &state.p_context, - N_("ensure at least <n> lines of context match")), - { OPTION_CALLBACK, 0, "whitespace", &state, N_("action"), - N_("detect new or modified lines that have whitespace errors"), - 0, option_parse_whitespace }, - { OPTION_CALLBACK, 0, "ignore-space-change", &state, NULL, - N_("ignore changes in whitespace when finding context"), - PARSE_OPT_NOARG, option_parse_space_change }, - { OPTION_CALLBACK, 0, "ignore-whitespace", &state, NULL, - N_("ignore changes in whitespace when finding context"), - PARSE_OPT_NOARG, option_parse_space_change }, - OPT_BOOL('R', "reverse", &state.apply_in_reverse, - N_("apply the patch in reverse")), - OPT_BOOL(0, "unidiff-zero", &state.unidiff_zero, - N_("don't expect at least one line of context")), - OPT_BOOL(0, "reject", &state.apply_with_reject, - N_("leave the rejected hunks in corresponding *.rej files")), - OPT_BOOL(0, "allow-overlap", &state.allow_overlap, - N_("allow overlapping hunks")), - OPT__VERBOSE(&state.apply_verbosely, N_("be verbose")), - OPT_BIT(0, "inaccurate-eof", &options, - N_("tolerate incorrectly detected missing new-line at the end of file"), - INACCURATE_EOF), - OPT_BIT(0, "recount", &options, - N_("do not trust the line counts in the hunk headers"), - RECOUNT), - { OPTION_CALLBACK, 0, "directory", &state, N_("root"), - N_("prepend <root> to all filenames"), - 0, option_parse_directory }, - OPT_END() - }; - - init_apply_state(&state, prefix, &lock_file); + if (init_apply_state(&state, prefix, &lock_file)) + exit(128); - argc = parse_options(argc, argv, state.prefix, builtin_apply_options, - apply_usage, 0); + argc = apply_parse_options(argc, argv, + &state, &force_apply, &options, + apply_usage); - check_apply_state(&state, force_apply); + if (check_apply_state(&state, force_apply)) + exit(128); ret = apply_all_patches(&state, argc, argv, options); diff --git a/builtin/archive.c b/builtin/archive.c index a1e3b94..f863465 100644 --- a/builtin/archive.c +++ b/builtin/archive.c @@ -47,10 +47,10 @@ static int run_remote_archiver(int argc, const char **argv, if (name_hint) { const char *format = archive_format_from_filename(name_hint); if (format) - packet_write(fd[1], "argument --format=%s\n", format); + packet_write_fmt(fd[1], "argument --format=%s\n", format); } for (i = 1; i < argc; i++) - packet_write(fd[1], "argument %s\n", argv[i]); + packet_write_fmt(fd[1], "argument %s\n", argv[i]); packet_flush(fd[1]); buf = packet_read_line(fd[0], NULL); @@ -85,8 +85,8 @@ int cmd_archive(int argc, const char **argv, const char *prefix) const char *output = NULL; const char *remote = NULL; struct option local_opts[] = { - OPT_STRING('o', "output", &output, N_("file"), - N_("write the archive to this file")), + OPT_FILENAME('o', "output", &output, + N_("write the archive to this file")), OPT_STRING(0, "remote", &remote, N_("repo"), N_("retrieve the archive from remote repository <repo>")), OPT_STRING(0, "exec", &exec, N_("command"), @@ -105,5 +105,5 @@ int cmd_archive(int argc, const char **argv, const char *prefix) setvbuf(stderr, NULL, _IOLBF, BUFSIZ); - return write_archive(argc, argv, prefix, 1, output, 0); + return write_archive(argc, argv, prefix, output, 0); } diff --git a/builtin/blame.c b/builtin/blame.c index f618392..07506a3 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -120,7 +120,7 @@ struct origin { */ struct blame_entry *suspects; mmfile_t file; - unsigned char blob_sha1[20]; + struct object_id blob_oid; unsigned mode; /* guilty gets set when shipping any suspects to the final * blame list instead of other commits @@ -154,8 +154,8 @@ static int diff_hunks(mmfile_t *file_a, mmfile_t *file_b, */ int textconv_object(const char *path, unsigned mode, - const unsigned char *sha1, - int sha1_valid, + const struct object_id *oid, + int oid_valid, char **buf, unsigned long *buf_size) { @@ -163,7 +163,7 @@ int textconv_object(const char *path, struct userdiff_driver *textconv; df = alloc_filespec(path); - fill_filespec(df, sha1, sha1_valid, mode); + fill_filespec(df, oid->hash, oid_valid, mode); textconv = get_textconv(df); if (!textconv) { free_filespec(df); @@ -188,15 +188,16 @@ static void fill_origin_blob(struct diff_options *opt, num_read_blob++; if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) && - textconv_object(o->path, o->mode, o->blob_sha1, 1, &file->ptr, &file_size)) + textconv_object(o->path, o->mode, &o->blob_oid, 1, &file->ptr, &file_size)) ; else - file->ptr = read_sha1_file(o->blob_sha1, &type, &file_size); + file->ptr = read_sha1_file(o->blob_oid.hash, &type, + &file_size); file->size = file_size; if (!file->ptr) die("Cannot read blob %s for path %s", - sha1_to_hex(o->blob_sha1), + oid_to_hex(&o->blob_oid), o->path); o->file = *file; } @@ -508,17 +509,17 @@ static struct origin *get_origin(struct scoreboard *sb, */ static int fill_blob_sha1_and_mode(struct origin *origin) { - if (!is_null_sha1(origin->blob_sha1)) + if (!is_null_oid(&origin->blob_oid)) return 0; if (get_tree_entry(origin->commit->object.oid.hash, origin->path, - origin->blob_sha1, &origin->mode)) + origin->blob_oid.hash, &origin->mode)) goto error_out; - if (sha1_object_info(origin->blob_sha1, NULL) != OBJ_BLOB) + if (sha1_object_info(origin->blob_oid.hash, NULL) != OBJ_BLOB) goto error_out; return 0; error_out: - hashclr(origin->blob_sha1); + oidclr(&origin->blob_oid); origin->mode = S_IFINVALID; return -1; } @@ -572,7 +573,7 @@ static struct origin *find_origin(struct scoreboard *sb, if (!diff_queued_diff.nr) { /* The path is the same as parent */ porigin = get_origin(sb, parent, origin->path); - hashcpy(porigin->blob_sha1, origin->blob_sha1); + oidcpy(&porigin->blob_oid, &origin->blob_oid); porigin->mode = origin->mode; } else { /* @@ -598,7 +599,7 @@ static struct origin *find_origin(struct scoreboard *sb, p->status); case 'M': porigin = get_origin(sb, parent, origin->path); - hashcpy(porigin->blob_sha1, p->one->oid.hash); + oidcpy(&porigin->blob_oid, &p->one->oid); porigin->mode = p->one->mode; break; case 'A': @@ -644,7 +645,7 @@ static struct origin *find_rename(struct scoreboard *sb, if ((p->status == 'R' || p->status == 'C') && !strcmp(p->two->path, origin->path)) { porigin = get_origin(sb, parent, p->one->path); - hashcpy(porigin->blob_sha1, p->one->oid.hash); + oidcpy(&porigin->blob_oid, &p->one->oid); porigin->mode = p->one->mode; break; } @@ -657,8 +658,11 @@ static struct origin *find_rename(struct scoreboard *sb, /* * Append a new blame entry to a given output queue. */ -static void add_blame_entry(struct blame_entry ***queue, struct blame_entry *e) +static void add_blame_entry(struct blame_entry ***queue, + const struct blame_entry *src) { + struct blame_entry *e = xmalloc(sizeof(*e)); + memcpy(e, src, sizeof(*e)); origin_incref(e->suspect); e->next = **queue; @@ -759,21 +763,15 @@ static void split_blame(struct blame_entry ***blamed, struct blame_entry *split, struct blame_entry *e) { - struct blame_entry *new_entry; - if (split[0].suspect && split[2].suspect) { /* The first part (reuse storage for the existing entry e) */ dup_entry(unblamed, e, &split[0]); /* The last part -- me */ - new_entry = xmalloc(sizeof(*new_entry)); - memcpy(new_entry, &(split[2]), sizeof(struct blame_entry)); - add_blame_entry(unblamed, new_entry); + add_blame_entry(unblamed, &split[2]); /* ... and the middle part -- parent */ - new_entry = xmalloc(sizeof(*new_entry)); - memcpy(new_entry, &(split[1]), sizeof(struct blame_entry)); - add_blame_entry(blamed, new_entry); + add_blame_entry(blamed, &split[1]); } else if (!split[0].suspect && !split[2].suspect) /* @@ -784,18 +782,12 @@ static void split_blame(struct blame_entry ***blamed, else if (split[0].suspect) { /* me and then parent */ dup_entry(unblamed, e, &split[0]); - - new_entry = xmalloc(sizeof(*new_entry)); - memcpy(new_entry, &(split[1]), sizeof(struct blame_entry)); - add_blame_entry(blamed, new_entry); + add_blame_entry(blamed, &split[1]); } else { /* parent and then me */ dup_entry(blamed, e, &split[1]); - - new_entry = xmalloc(sizeof(*new_entry)); - memcpy(new_entry, &(split[2]), sizeof(struct blame_entry)); - add_blame_entry(unblamed, new_entry); + add_blame_entry(unblamed, &split[2]); } } @@ -1308,7 +1300,7 @@ static void find_copy_in_parent(struct scoreboard *sb, continue; norigin = get_origin(sb, parent, p->one->path); - hashcpy(norigin->blob_sha1, p->one->oid.hash); + oidcpy(&norigin->blob_oid, &p->one->oid); norigin->mode = p->one->mode; fill_origin_blob(&sb->revs->diffopt, norigin, &file_p); if (!file_p.ptr) @@ -1458,15 +1450,14 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt) porigin = find(sb, p, origin); if (!porigin) continue; - if (!hashcmp(porigin->blob_sha1, origin->blob_sha1)) { + if (!oidcmp(&porigin->blob_oid, &origin->blob_oid)) { pass_whole_blame(sb, origin, porigin); origin_decref(porigin); goto finish; } for (j = same = 0; j < i; j++) if (sg_origin[j] && - !hashcmp(sg_origin[j]->blob_sha1, - porigin->blob_sha1)) { + !oidcmp(&sg_origin[j]->blob_oid, &porigin->blob_oid)) { same = 1; break; } @@ -1700,13 +1691,23 @@ static void get_commit_info(struct commit *commit, } /* + * Write out any suspect information which depends on the path. This must be + * handled separately from emit_one_suspect_detail(), because a given commit + * may have changes in multiple paths. So this needs to appear each time + * we mention a new group. + * * To allow LF and other nonportable characters in pathnames, * they are c-style quoted as needed. */ -static void write_filename_info(const char *path) +static void write_filename_info(struct origin *suspect) { + if (suspect->previous) { + struct origin *prev = suspect->previous; + printf("previous %s ", oid_to_hex(&prev->commit->object.oid)); + write_name_quoted(prev->path, stdout, '\n'); + } printf("filename "); - write_name_quoted(path, stdout, '\n'); + write_name_quoted(suspect->path, stdout, '\n'); } /* @@ -1735,11 +1736,6 @@ static int emit_one_suspect_detail(struct origin *suspect, int repeat) printf("summary %s\n", ci.summary.buf); if (suspect->commit->object.flags & UNINTERESTING) printf("boundary\n"); - if (suspect->previous) { - struct origin *prev = suspect->previous; - printf("previous %s ", oid_to_hex(&prev->commit->object.oid)); - write_name_quoted(prev->path, stdout, '\n'); - } commit_info_destroy(&ci); @@ -1760,7 +1756,7 @@ static void found_guilty_entry(struct blame_entry *ent, oid_to_hex(&suspect->commit->object.oid), ent->s_lno + 1, ent->lno + 1, ent->num_lines); emit_one_suspect_detail(suspect, 0); - write_filename_info(suspect->path); + write_filename_info(suspect); maybe_flush_or_die(stdout, "stdout"); } pi->blamed_lines += ent->num_lines; @@ -1884,7 +1880,7 @@ static void emit_porcelain_details(struct origin *suspect, int repeat) { if (emit_one_suspect_detail(suspect, repeat) || (suspect->commit->object.flags & MORE_THAN_ONE_PATH)) - write_filename_info(suspect->path); + write_filename_info(suspect); } static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent, @@ -1894,9 +1890,9 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent, int cnt; const char *cp; struct origin *suspect = ent->suspect; - char hex[GIT_SHA1_HEXSZ + 1]; + char hex[GIT_MAX_HEXSZ + 1]; - sha1_to_hex_r(hex, suspect->commit->object.oid.hash); + oid_to_hex_r(hex, &suspect->commit->object.oid); printf("%s %d %d %d\n", hex, ent->s_lno + 1, @@ -1932,16 +1928,16 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt) const char *cp; struct origin *suspect = ent->suspect; struct commit_info ci; - char hex[GIT_SHA1_HEXSZ + 1]; + char hex[GIT_MAX_HEXSZ + 1]; int show_raw_time = !!(opt & OUTPUT_RAW_TIMESTAMP); get_commit_info(suspect->commit, &ci, 1); - sha1_to_hex_r(hex, suspect->commit->object.oid.hash); + oid_to_hex_r(hex, &suspect->commit->object.oid); cp = nth_line(sb, ent->lno); for (cnt = 0; cnt < ent->num_lines; cnt++) { char ch; - int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : abbrev; + int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? GIT_SHA1_HEXSZ : abbrev; if (suspect->commit->object.flags & UNINTERESTING) { if (blank_boundary) @@ -2220,6 +2216,8 @@ static int git_blame_config(const char *var, const char *value, void *cb) return 0; } + if (git_diff_heuristic_config(var, value, cb) < 0) + return -1; if (userdiff_config(var, value) < 0) return -1; @@ -2232,12 +2230,12 @@ static void verify_working_tree_path(struct commit *work_tree, const char *path) int pos; for (parents = work_tree->parents; parents; parents = parents->next) { - const unsigned char *commit_sha1 = parents->item->object.oid.hash; - unsigned char blob_sha1[20]; + const struct object_id *commit_oid = &parents->item->object.oid; + struct object_id blob_oid; unsigned mode; - if (!get_tree_entry(commit_sha1, path, blob_sha1, &mode) && - sha1_object_info(blob_sha1, NULL) == OBJ_BLOB) + if (!get_tree_entry(commit_oid->hash, path, blob_oid.hash, &mode) && + sha1_object_info(blob_oid.hash, NULL) == OBJ_BLOB) return; } @@ -2251,13 +2249,13 @@ static void verify_working_tree_path(struct commit *work_tree, const char *path) die("no such path '%s' in HEAD", path); } -static struct commit_list **append_parent(struct commit_list **tail, const unsigned char *sha1) +static struct commit_list **append_parent(struct commit_list **tail, const struct object_id *oid) { struct commit *parent; - parent = lookup_commit_reference(sha1); + parent = lookup_commit_reference(oid->hash); if (!parent) - die("no such commit %s", sha1_to_hex(sha1)); + die("no such commit %s", oid_to_hex(oid)); return &commit_list_insert(parent, tail)->next; } @@ -2274,10 +2272,10 @@ static void append_merge_parents(struct commit_list **tail) } while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) { - unsigned char sha1[20]; - if (line.len < 40 || get_sha1_hex(line.buf, sha1)) + struct object_id oid; + if (line.len < GIT_SHA1_HEXSZ || get_oid_hex(line.buf, &oid)) die("unknown line in '%s': %s", git_path_merge_head(), line.buf); - tail = append_parent(tail, sha1); + tail = append_parent(tail, &oid); } close(merge_head); strbuf_release(&line); @@ -2306,7 +2304,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, struct commit *commit; struct origin *origin; struct commit_list **parent_tail, *parent; - unsigned char head_sha1[20]; + struct object_id head_oid; struct strbuf buf = STRBUF_INIT; const char *ident; time_t now; @@ -2322,10 +2320,10 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, commit->date = now; parent_tail = &commit->parents; - if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_sha1, NULL)) + if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL)) die("no such ref: HEAD"); - parent_tail = append_parent(parent_tail, head_sha1); + parent_tail = append_parent(parent_tail, &head_oid); append_merge_parents(parent_tail); verify_working_tree_path(commit, path); @@ -2366,7 +2364,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, switch (st.st_mode & S_IFMT) { case S_IFREG: if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) && - textconv_object(read_from, mode, null_sha1, 0, &buf_ptr, &buf_len)) + textconv_object(read_from, mode, &null_oid, 0, &buf_ptr, &buf_len)) strbuf_attach(&buf, buf_ptr, buf_len, buf_len + 1); else if (strbuf_read_file(&buf, read_from, st.st_size) != st.st_size) die_errno("cannot open or read '%s'", read_from); @@ -2388,7 +2386,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, convert_to_git(path, buf.buf, buf.len, &buf, 0); origin->file.ptr = buf.buf; origin->file.size = buf.len; - pretend_sha1_file(buf.buf, buf.len, OBJ_BLOB, origin->blob_sha1); + pretend_sha1_file(buf.buf, buf.len, OBJ_BLOB, origin->blob_oid.hash); /* * Read the current index, replace the path entry with @@ -2410,7 +2408,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, } size = cache_entry_size(len); ce = xcalloc(1, size); - hashcpy(ce->sha1, origin->blob_sha1); + oidcpy(&ce->oid, &origin->blob_oid); memcpy(ce->name, path, len); ce->ce_flags = create_ce_flags(0); ce->ce_namelen = len; @@ -2454,6 +2452,41 @@ static char *prepare_final(struct scoreboard *sb) return xstrdup_or_null(name); } +static const char *dwim_reverse_initial(struct scoreboard *sb) +{ + /* + * DWIM "git blame --reverse ONE -- PATH" as + * "git blame --reverse ONE..HEAD -- PATH" but only do so + * when it makes sense. + */ + struct object *obj; + struct commit *head_commit; + unsigned char head_sha1[20]; + + if (sb->revs->pending.nr != 1) + return NULL; + + /* Is that sole rev a committish? */ + obj = sb->revs->pending.objects[0].item; + obj = deref_tag(obj, NULL, 0); + if (obj->type != OBJ_COMMIT) + return NULL; + + /* Do we have HEAD? */ + if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_sha1, NULL)) + return NULL; + head_commit = lookup_commit_reference_gently(head_sha1, 1); + if (!head_commit) + return NULL; + + /* Turn "ONE" into "ONE..HEAD" then */ + obj->flags |= UNINTERESTING; + add_pending_object(sb->revs, &head_commit->object, "HEAD"); + + sb->final = (struct commit *)obj; + return sb->revs->pending.objects[0].name; +} + static char *prepare_initial(struct scoreboard *sb) { int i; @@ -2472,14 +2505,17 @@ static char *prepare_initial(struct scoreboard *sb) if (obj->type != OBJ_COMMIT) die("Non commit %s?", revs->pending.objects[i].name); if (sb->final) - die("More than one commit to dig down to %s and %s?", + die("More than one commit to dig up from, %s and %s?", revs->pending.objects[i].name, final_commit_name); sb->final = (struct commit *) obj; final_commit_name = revs->pending.objects[i].name; } + if (!final_commit_name) - die("No commit to dig down to?"); + final_commit_name = dwim_reverse_initial(sb); + if (!final_commit_name) + die("No commit to dig up from?"); return xstrdup(final_commit_name); } @@ -2550,6 +2586,14 @@ int cmd_blame(int argc, const char **argv, const char *prefix) OPT_BIT('s', NULL, &output_option, N_("Suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR), OPT_BIT('e', "show-email", &output_option, N_("Show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL), OPT_BIT('w', NULL, &xdl_opts, N_("Ignore whitespace differences"), XDF_IGNORE_WHITESPACE), + + /* + * The following two options are parsed by parse_revision_opt() + * and are only included here to get included in the "-h" + * output: + */ + { OPTION_LOWLEVEL_CALLBACK, 0, "indent-heuristic", NULL, NULL, N_("Use an experimental heuristic to improve diffs"), PARSE_OPT_NOARG, parse_opt_unknown_cb }, + OPT_BIT(0, "minimal", &xdl_opts, N_("Spend extra cycles to find better match"), XDF_NEED_MINIMAL), OPT_STRING('S', NULL, &revs_file, N_("file"), N_("Use revisions from <file> instead of calling git-rev-list")), OPT_STRING(0, "contents", &contents_from, N_("file"), N_("Use <file>'s contents as the final image")), @@ -2596,19 +2640,22 @@ int cmd_blame(int argc, const char **argv, const char *prefix) } parse_done: no_whole_file_rename = !DIFF_OPT_TST(&revs.diffopt, FOLLOW_RENAMES); + xdl_opts |= revs.diffopt.xdl_opts & XDF_INDENT_HEURISTIC; DIFF_OPT_CLR(&revs.diffopt, FOLLOW_RENAMES); argc = parse_options_end(&ctx); if (incremental || (output_option & OUTPUT_PORCELAIN)) { if (show_progress > 0) - die("--progress can't be used with --incremental or porcelain formats"); + die(_("--progress can't be used with --incremental or porcelain formats")); show_progress = 0; } else if (show_progress < 0) show_progress = isatty(2); - if (0 < abbrev) + if (0 < abbrev && abbrev < GIT_SHA1_HEXSZ) /* one more abbrev length is needed for the boundary commit */ abbrev++; + else if (!abbrev) + abbrev = GIT_SHA1_HEXSZ; if (revs_file && read_ancestry(revs_file)) die_errno("reading graft file '%s' failed", revs_file); @@ -2727,7 +2774,7 @@ parse_done: sb.commits.compare = compare_commits_by_commit_date; } else if (contents_from) - die("--contents and --reverse do not blend well."); + die(_("--contents and --reverse do not blend well.")); else { final_commit_name = prepare_initial(&sb); sb.commits.compare = compare_commits_by_reverse_commit_date; @@ -2747,12 +2794,12 @@ parse_done: add_pending_object(&revs, &(sb.final->object), ":"); } else if (contents_from) - die("Cannot use --contents with final commit object name"); + die(_("cannot use --contents with final commit object name")); if (reverse && revs.first_parent_only) { final_commit = find_single_final(sb.revs, NULL); if (!final_commit) - die("--reverse and --first-parent together require specified latest commit"); + die(_("--reverse and --first-parent together require specified latest commit")); } /* @@ -2779,7 +2826,7 @@ parse_done: } if (oidcmp(&c->object.oid, &sb.final->object.oid)) - die("--reverse --first-parent together require range along first-parent chain"); + die(_("--reverse --first-parent together require range along first-parent chain")); } if (is_null_oid(&sb.final->object.oid)) { @@ -2790,19 +2837,19 @@ parse_done: else { o = get_origin(&sb, sb.final, path); if (fill_blob_sha1_and_mode(o)) - die("no such path %s in %s", path, final_commit_name); + die(_("no such path %s in %s"), path, final_commit_name); if (DIFF_OPT_TST(&sb.revs->diffopt, ALLOW_TEXTCONV) && - textconv_object(path, o->mode, o->blob_sha1, 1, (char **) &sb.final_buf, + textconv_object(path, o->mode, &o->blob_oid, 1, (char **) &sb.final_buf, &sb.final_buf_size)) ; else - sb.final_buf = read_sha1_file(o->blob_sha1, &type, + sb.final_buf = read_sha1_file(o->blob_oid.hash, &type, &sb.final_buf_size); if (!sb.final_buf) - die("Cannot read blob %s for path %s", - sha1_to_hex(o->blob_sha1), + die(_("cannot read blob %s for path %s"), + oid_to_hex(&o->blob_oid), path); } num_read_blob++; @@ -2820,7 +2867,9 @@ parse_done: &bottom, &top, sb.path)) usage(blame_usage); if (lno < top || ((lno || bottom) && lno < bottom)) - die("file %s has only %lu lines", path, lno); + die(Q_("file %s has only %lu line", + "file %s has only %lu lines", + lno), path, lno); if (bottom < 1) bottom = 1; if (top < 1) diff --git a/builtin/branch.c b/builtin/branch.c index 6810c3a..0552c42 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -28,20 +28,21 @@ static const char * const builtin_branch_usage[] = { N_("git branch [<options>] [-r] (-d | -D) <branch-name>..."), N_("git branch [<options>] (-m | -M) [<old-branch>] <new-branch>"), N_("git branch [<options>] [-r | -a] [--points-at]"), + N_("git branch [<options>] [-r | -a] [--format]"), NULL }; static const char *head; -static unsigned char head_sha1[20]; +static struct object_id head_oid; static int branch_use_color = -1; static char branch_colors[][COLOR_MAXLEN] = { GIT_COLOR_RESET, - GIT_COLOR_NORMAL, /* PLAIN */ - GIT_COLOR_RED, /* REMOTE */ - GIT_COLOR_NORMAL, /* LOCAL */ - GIT_COLOR_GREEN, /* CURRENT */ - GIT_COLOR_BLUE, /* UPSTREAM */ + GIT_COLOR_NORMAL, /* PLAIN */ + GIT_COLOR_RED, /* REMOTE */ + GIT_COLOR_NORMAL, /* LOCAL */ + GIT_COLOR_GREEN, /* CURRENT */ + GIT_COLOR_BLUE, /* UPSTREAM */ }; enum color_branch { BRANCH_COLOR_RESET = 0, @@ -117,13 +118,13 @@ static int branch_merged(int kind, const char *name, if (kind == FILTER_REFS_BRANCHES) { struct branch *branch = branch_get(name); const char *upstream = branch_get_upstream(branch, NULL); - unsigned char sha1[20]; + struct object_id oid; if (upstream && (reference_name = reference_name_to_free = resolve_refdup(upstream, RESOLVE_REF_READING, - sha1, NULL)) != NULL) - reference_rev = lookup_commit_reference(sha1); + oid.hash, NULL)) != NULL) + reference_rev = lookup_commit_reference(oid.hash); } if (!reference_rev) reference_rev = head_rev; @@ -153,10 +154,10 @@ static int branch_merged(int kind, const char *name, } static int check_branch_commit(const char *branchname, const char *refname, - const unsigned char *sha1, struct commit *head_rev, + const struct object_id *oid, struct commit *head_rev, int kinds, int force) { - struct commit *rev = lookup_commit_reference(sha1); + struct commit *rev = lookup_commit_reference(oid->hash); if (!rev) { error(_("Couldn't look up commit object for '%s'"), refname); return -1; @@ -183,31 +184,34 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, int quiet) { struct commit *head_rev = NULL; - unsigned char sha1[20]; + struct object_id oid; char *name = NULL; const char *fmt; int i; int ret = 0; int remote_branch = 0; struct strbuf bname = STRBUF_INIT; + unsigned allowed_interpret; switch (kinds) { case FILTER_REFS_REMOTES: fmt = "refs/remotes/%s"; /* For subsequent UI messages */ remote_branch = 1; + allowed_interpret = INTERPRET_BRANCH_REMOTE; force = 1; break; case FILTER_REFS_BRANCHES: fmt = "refs/heads/%s"; + allowed_interpret = INTERPRET_BRANCH_LOCAL; break; default: die(_("cannot use -a with -d")); } if (!force) { - head_rev = lookup_commit_reference(head_sha1); + head_rev = lookup_commit_reference(head_oid.hash); if (!head_rev) die(_("Couldn't look up commit object for HEAD")); } @@ -215,7 +219,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, char *target = NULL; int flags = 0; - strbuf_branchname(&bname, argv[i]); + strbuf_branchname(&bname, argv[i], allowed_interpret); free(name); name = mkpathdup(fmt, bname.buf); @@ -235,7 +239,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE | RESOLVE_REF_ALLOW_BAD_NAME, - sha1, &flags); + oid.hash, &flags); if (!target) { error(remote_branch ? _("remote-tracking branch '%s' not found.") @@ -245,13 +249,13 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, } if (!(flags & (REF_ISSYMREF|REF_ISBROKEN)) && - check_branch_commit(bname.buf, name, sha1, head_rev, kinds, + check_branch_commit(bname.buf, name, &oid, head_rev, kinds, force)) { ret = 1; goto next; } - if (delete_ref(name, is_null_sha1(sha1) ? NULL : sha1, + if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : oid.hash, REF_NODEREF)) { error(remote_branch ? _("Error deleting remote-tracking branch '%s'") @@ -267,7 +271,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, bname.buf, (flags & REF_ISBROKEN) ? "broken" : (flags & REF_ISSYMREF) ? target - : find_unique_abbrev(sha1, DEFAULT_ABBREV)); + : find_unique_abbrev(oid.hash, DEFAULT_ABBREV)); } delete_branch_config(bname.buf); @@ -280,221 +284,109 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, return(ret); } -static void fill_tracking_info(struct strbuf *stat, const char *branch_name, - int show_upstream_ref) +static int calc_maxwidth(struct ref_array *refs, int remote_bonus) { - int ours, theirs; - char *ref = NULL; - struct branch *branch = branch_get(branch_name); - const char *upstream; - struct strbuf fancy = STRBUF_INIT; - int upstream_is_gone = 0; - int added_decoration = 1; - - if (stat_tracking_info(branch, &ours, &theirs, &upstream) < 0) { - if (!upstream) - return; - upstream_is_gone = 1; - } - - if (show_upstream_ref) { - ref = shorten_unambiguous_ref(upstream, 0); - if (want_color(branch_use_color)) - strbuf_addf(&fancy, "%s%s%s", - branch_get_color(BRANCH_COLOR_UPSTREAM), - ref, branch_get_color(BRANCH_COLOR_RESET)); - else - strbuf_addstr(&fancy, ref); - } + int i, max = 0; + for (i = 0; i < refs->nr; i++) { + struct ref_array_item *it = refs->items[i]; + const char *desc = it->refname; + int w; - if (upstream_is_gone) { - if (show_upstream_ref) - strbuf_addf(stat, _("[%s: gone]"), fancy.buf); - else - added_decoration = 0; - } else if (!ours && !theirs) { - if (show_upstream_ref) - strbuf_addf(stat, _("[%s]"), fancy.buf); - else - added_decoration = 0; - } else if (!ours) { - if (show_upstream_ref) - strbuf_addf(stat, _("[%s: behind %d]"), fancy.buf, theirs); - else - strbuf_addf(stat, _("[behind %d]"), theirs); + skip_prefix(it->refname, "refs/heads/", &desc); + skip_prefix(it->refname, "refs/remotes/", &desc); + if (it->kind == FILTER_REFS_DETACHED_HEAD) { + char *head_desc = get_head_description(); + w = utf8_strwidth(head_desc); + free(head_desc); + } else + w = utf8_strwidth(desc); - } else if (!theirs) { - if (show_upstream_ref) - strbuf_addf(stat, _("[%s: ahead %d]"), fancy.buf, ours); - else - strbuf_addf(stat, _("[ahead %d]"), ours); - } else { - if (show_upstream_ref) - strbuf_addf(stat, _("[%s: ahead %d, behind %d]"), - fancy.buf, ours, theirs); - else - strbuf_addf(stat, _("[ahead %d, behind %d]"), - ours, theirs); + if (it->kind == FILTER_REFS_REMOTES) + w += remote_bonus; + if (w > max) + max = w; } - strbuf_release(&fancy); - if (added_decoration) - strbuf_addch(stat, ' '); - free(ref); + return max; } -static void add_verbose_info(struct strbuf *out, struct ref_array_item *item, - struct ref_filter *filter, const char *refname) +static const char *quote_literal_for_format(const char *s) { - struct strbuf subject = STRBUF_INIT, stat = STRBUF_INIT; - const char *sub = _(" **** invalid ref ****"); - struct commit *commit = item->commit; + static struct strbuf buf = STRBUF_INIT; - if (!parse_commit(commit)) { - pp_commit_easy(CMIT_FMT_ONELINE, commit, &subject); - sub = subject.buf; + strbuf_reset(&buf); + while (*s) { + const char *ep = strchrnul(s, '%'); + if (s < ep) + strbuf_add(&buf, s, ep - s); + if (*ep == '%') { + strbuf_addstr(&buf, "%%"); + s = ep + 1; + } else { + s = ep; + } } - - if (item->kind == FILTER_REFS_BRANCHES) - fill_tracking_info(&stat, refname, filter->verbose > 1); - - strbuf_addf(out, " %s %s%s", - find_unique_abbrev(item->commit->object.oid.hash, filter->abbrev), - stat.buf, sub); - strbuf_release(&stat); - strbuf_release(&subject); + return buf.buf; } -static char *get_head_description(void) +static char *build_format(struct ref_filter *filter, int maxwidth, const char *remote_prefix) { - struct strbuf desc = STRBUF_INIT; - struct wt_status_state state; - memset(&state, 0, sizeof(state)); - wt_status_get_state(&state, 1); - if (state.rebase_in_progress || - state.rebase_interactive_in_progress) - strbuf_addf(&desc, _("(no branch, rebasing %s)"), - state.branch); - else if (state.bisect_in_progress) - strbuf_addf(&desc, _("(no branch, bisect started on %s)"), - state.branch); - else if (state.detached_from) { - if (state.detached_at) - /* TRANSLATORS: make sure this matches - "HEAD detached at " in wt-status.c */ - strbuf_addf(&desc, _("(HEAD detached at %s)"), - state.detached_from); - else - /* TRANSLATORS: make sure this matches - "HEAD detached from " in wt-status.c */ - strbuf_addf(&desc, _("(HEAD detached from %s)"), - state.detached_from); - } - else - strbuf_addstr(&desc, _("(no branch)")); - free(state.branch); - free(state.onto); - free(state.detached_from); - return strbuf_detach(&desc, NULL); -} + struct strbuf fmt = STRBUF_INIT; + struct strbuf local = STRBUF_INIT; + struct strbuf remote = STRBUF_INIT; -static void format_and_print_ref_item(struct ref_array_item *item, int maxwidth, - struct ref_filter *filter, const char *remote_prefix) -{ - char c; - int current = 0; - int color; - struct strbuf out = STRBUF_INIT, name = STRBUF_INIT; - const char *prefix_to_show = ""; - const char *prefix_to_skip = NULL; - const char *desc = item->refname; - char *to_free = NULL; + strbuf_addf(&fmt, "%%(if)%%(HEAD)%%(then)* %s%%(else) %%(end)", + branch_get_color(BRANCH_COLOR_CURRENT)); - switch (item->kind) { - case FILTER_REFS_BRANCHES: - prefix_to_skip = "refs/heads/"; - skip_prefix(desc, prefix_to_skip, &desc); - if (!filter->detached && !strcmp(desc, head)) - current = 1; + if (filter->verbose) { + struct strbuf obname = STRBUF_INIT; + + if (filter->abbrev < 0) + strbuf_addf(&obname, "%%(objectname:short)"); + else if (!filter->abbrev) + strbuf_addf(&obname, "%%(objectname)"); else - color = BRANCH_COLOR_LOCAL; - break; - case FILTER_REFS_REMOTES: - prefix_to_skip = "refs/remotes/"; - skip_prefix(desc, prefix_to_skip, &desc); - color = BRANCH_COLOR_REMOTE; - prefix_to_show = remote_prefix; - break; - case FILTER_REFS_DETACHED_HEAD: - desc = to_free = get_head_description(); - current = 1; - break; - default: - color = BRANCH_COLOR_PLAIN; - break; - } + strbuf_addf(&obname, "%%(objectname:short=%d)", filter->abbrev); - c = ' '; - if (current) { - c = '*'; - color = BRANCH_COLOR_CURRENT; - } + strbuf_addf(&local, "%%(align:%d,left)%%(refname:lstrip=2)%%(end)", maxwidth); + strbuf_addf(&local, "%s", branch_get_color(BRANCH_COLOR_RESET)); + strbuf_addf(&local, " %s ", obname.buf); - strbuf_addf(&name, "%s%s", prefix_to_show, desc); - if (filter->verbose) { - int utf8_compensation = strlen(name.buf) - utf8_strwidth(name.buf); - strbuf_addf(&out, "%c %s%-*s%s", c, branch_get_color(color), - maxwidth + utf8_compensation, name.buf, - branch_get_color(BRANCH_COLOR_RESET)); - } else - strbuf_addf(&out, "%c %s%s%s", c, branch_get_color(color), - name.buf, branch_get_color(BRANCH_COLOR_RESET)); - - if (item->symref) { - const char *symref = item->symref; - if (prefix_to_skip) - skip_prefix(symref, prefix_to_skip, &symref); - strbuf_addf(&out, " -> %s", symref); - } - else if (filter->verbose) - /* " f7c0c00 [ahead 58, behind 197] vcs-svn: drop obj_pool.h" */ - add_verbose_info(&out, item, filter, desc); - if (column_active(colopts)) { - assert(!filter->verbose && "--column and --verbose are incompatible"); - string_list_append(&output, out.buf); + if (filter->verbose > 1) + strbuf_addf(&local, "%%(if)%%(upstream)%%(then)[%s%%(upstream:short)%s%%(if)%%(upstream:track)" + "%%(then): %%(upstream:track,nobracket)%%(end)] %%(end)%%(contents:subject)", + branch_get_color(BRANCH_COLOR_UPSTREAM), branch_get_color(BRANCH_COLOR_RESET)); + else + strbuf_addf(&local, "%%(if)%%(upstream:track)%%(then)%%(upstream:track) %%(end)%%(contents:subject)"); + + strbuf_addf(&remote, "%s%%(align:%d,left)%s%%(refname:lstrip=2)%%(end)%s" + "%%(if)%%(symref)%%(then) -> %%(symref:short)" + "%%(else) %s %%(contents:subject)%%(end)", + branch_get_color(BRANCH_COLOR_REMOTE), maxwidth, quote_literal_for_format(remote_prefix), + branch_get_color(BRANCH_COLOR_RESET), obname.buf); + strbuf_release(&obname); } else { - printf("%s\n", out.buf); + strbuf_addf(&local, "%%(refname:lstrip=2)%s%%(if)%%(symref)%%(then) -> %%(symref:short)%%(end)", + branch_get_color(BRANCH_COLOR_RESET)); + strbuf_addf(&remote, "%s%s%%(refname:lstrip=2)%s%%(if)%%(symref)%%(then) -> %%(symref:short)%%(end)", + branch_get_color(BRANCH_COLOR_REMOTE), quote_literal_for_format(remote_prefix), + branch_get_color(BRANCH_COLOR_RESET)); } - strbuf_release(&name); - strbuf_release(&out); - free(to_free); -} -static int calc_maxwidth(struct ref_array *refs, int remote_bonus) -{ - int i, max = 0; - for (i = 0; i < refs->nr; i++) { - struct ref_array_item *it = refs->items[i]; - const char *desc = it->refname; - int w; - - skip_prefix(it->refname, "refs/heads/", &desc); - skip_prefix(it->refname, "refs/remotes/", &desc); - w = utf8_strwidth(desc); + strbuf_addf(&fmt, "%%(if:notequals=refs/remotes)%%(refname:rstrip=-2)%%(then)%s%%(else)%s%%(end)", local.buf, remote.buf); - if (it->kind == FILTER_REFS_REMOTES) - w += remote_bonus; - if (w > max) - max = w; - } - return max; + strbuf_release(&local); + strbuf_release(&remote); + return strbuf_detach(&fmt, NULL); } -static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sorting) +static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sorting, const char *format) { int i; struct ref_array array; int maxwidth = 0; const char *remote_prefix = ""; + struct strbuf out = STRBUF_INIT; + char *to_free = NULL; /* * If we are listing more than just remote branches, @@ -506,32 +398,37 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin memset(&array, 0, sizeof(array)); - verify_ref_format("%(refname)%(symref)"); filter_refs(&array, filter, filter->kind | FILTER_REFS_INCLUDE_BROKEN); if (filter->verbose) maxwidth = calc_maxwidth(&array, strlen(remote_prefix)); - /* - * If no sorting parameter is given then we default to sorting - * by 'refname'. This would give us an alphabetically sorted - * array with the 'HEAD' ref at the beginning followed by - * local branches 'refs/heads/...' and finally remote-tacking - * branches 'refs/remotes/...'. - */ - if (!sorting) - sorting = ref_default_sorting(); + if (!format) + format = to_free = build_format(filter, maxwidth, remote_prefix); + verify_ref_format(format); + ref_array_sort(sorting, &array); - for (i = 0; i < array.nr; i++) - format_and_print_ref_item(array.items[i], maxwidth, filter, remote_prefix); + for (i = 0; i < array.nr; i++) { + format_ref_array_item(array.items[i], format, 0, &out); + if (column_active(colopts)) { + assert(!filter->verbose && "--column and --verbose are incompatible"); + /* format to a string_list to let print_columns() do its job */ + string_list_append(&output, out.buf); + } else { + fwrite(out.buf, 1, out.len, stdout); + putchar('\n'); + } + strbuf_release(&out); + } ref_array_clear(&array); + free(to_free); } static void reject_rebase_or_bisect_branch(const char *target) { - struct worktree **worktrees = get_worktrees(); + struct worktree **worktrees = get_worktrees(0); int i; for (i = 0; worktrees[i]; i++) { @@ -588,14 +485,15 @@ static void rename_branch(const char *oldname, const char *newname, int force) if (rename_ref(oldref.buf, newref.buf, logmsg.buf)) die(_("Branch rename failed")); - strbuf_release(&logmsg); if (recovery) warning(_("Renamed a misnamed branch '%s' away"), oldref.buf + 11); - if (replace_each_worktree_head_symref(oldref.buf, newref.buf)) + if (replace_each_worktree_head_symref(oldref.buf, newref.buf, logmsg.buf)) die(_("Branch renamed to %s, but HEAD is not updated!"), newname); + strbuf_release(&logmsg); + strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11); strbuf_release(&oldref); strbuf_addf(&newsection, "branch.%s", newref.buf + 11); @@ -645,7 +543,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix) const char *new_upstream = NULL; enum branch_track track; struct ref_filter filter; + int icase = 0; static struct ref_sorting *sorting = NULL, **sorting_tail = &sorting; + const char *format = NULL; struct option options[] = { OPT_GROUP(N_("Generic options")), @@ -657,12 +557,14 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT_SET_INT( 0, "set-upstream", &track, N_("change upstream info"), BRANCH_TRACK_OVERRIDE), OPT_STRING('u', "set-upstream-to", &new_upstream, N_("upstream"), N_("change the upstream info")), - OPT_BOOL(0, "unset-upstream", &unset_upstream, "Unset the upstream info"), + OPT_BOOL(0, "unset-upstream", &unset_upstream, N_("Unset the upstream info")), OPT__COLOR(&branch_use_color, N_("use colored output")), OPT_SET_INT('r', "remotes", &filter.kind, N_("act on remote-tracking branches"), FILTER_REFS_REMOTES), OPT_CONTAINS(&filter.with_commit, N_("print only branches that contain the commit")), + OPT_NO_CONTAINS(&filter.no_commit, N_("print only branches that don't contain the commit")), OPT_WITH(&filter.with_commit, N_("print only branches that contain the commit")), + OPT_WITHOUT(&filter.no_commit, N_("print only branches that don't contain the commit")), OPT__ABBREV(&filter.abbrev), OPT_GROUP(N_("Specific git-branch actions:")), @@ -686,9 +588,13 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"), N_("print only branches of the object"), 0, parse_opt_object_name }, + OPT_BOOL('i', "ignore-case", &icase, N_("sorting and filtering are case insensitive")), + OPT_STRING( 0 , "format", &format, N_("format"), N_("format to use for the output")), OPT_END(), }; + setup_ref_filter_porcelain_msg(); + memset(&filter, 0, sizeof(filter)); filter.kind = FILTER_REFS_BRANCHES; filter.abbrev = -1; @@ -700,7 +606,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) track = git_branch_track; - head = resolve_refdup("HEAD", 0, head_sha1, NULL); + head = resolve_refdup("HEAD", 0, head_oid.hash, NULL); if (!head) die(_("Failed to resolve HEAD as a valid ref.")); if (!strcmp(head, "HEAD")) @@ -714,7 +620,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix) if (!delete && !rename && !edit_description && !new_upstream && !unset_upstream && argc == 0) list = 1; - if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE || filter.points_at.nr) + if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE || filter.points_at.nr || + filter.no_commit) list = 1; if (!!delete + !!rename + !!new_upstream + @@ -723,6 +630,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix) if (filter.abbrev == -1) filter.abbrev = DEFAULT_ABBREV; + filter.ignore_case = icase; + finalize_colopts(&colopts, -1); if (filter.verbose) { if (explicitly_enable_column(colopts)) @@ -744,7 +653,17 @@ int cmd_branch(int argc, const char **argv, const char *prefix) if ((filter.kind & FILTER_REFS_BRANCHES) && filter.detached) filter.kind |= FILTER_REFS_DETACHED_HEAD; filter.name_patterns = argv; - print_ref_list(&filter, sorting); + /* + * If no sorting parameter is given then we default to sorting + * by 'refname'. This would give us an alphabetically sorted + * array with the 'HEAD' ref at the beginning followed by + * local branches 'refs/heads/...' and finally remote-tacking + * branches 'refs/remotes/...'. + */ + if (!sorting) + sorting = ref_default_sorting(); + sorting->ignore_case = icase; + print_ref_list(&filter, sorting, format); print_columns(&output, colopts, NULL); string_list_clear(&output, 0); return 0; diff --git a/builtin/bundle.c b/builtin/bundle.c index 4883a43..d0de59b 100644 --- a/builtin/bundle.c +++ b/builtin/bundle.c @@ -20,21 +20,15 @@ int cmd_bundle(int argc, const char **argv, const char *prefix) struct bundle_header header; const char *cmd, *bundle_file; int bundle_fd = -1; - char buffer[PATH_MAX]; if (argc < 3) usage(builtin_bundle_usage); cmd = argv[1]; - bundle_file = argv[2]; + bundle_file = prefix_filename(prefix, argv[2]); argc -= 2; argv += 2; - if (prefix && bundle_file[0] != '/') { - snprintf(buffer, sizeof(buffer), "%s/%s", prefix, bundle_file); - bundle_file = buffer; - } - memset(&header, 0, sizeof(header)); if (strcmp(cmd, "create") && (bundle_fd = read_bundle_header(bundle_file, &header)) < 0) diff --git a/builtin/cat-file.c b/builtin/cat-file.c index 560f6c2..1890d7a 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c @@ -17,32 +17,63 @@ struct batch_options { int print_contents; int buffer_output; int all_objects; + int cmdmode; /* may be 'w' or 'c' for --filters or --textconv */ const char *format; }; +static const char *force_path; + +static int filter_object(const char *path, unsigned mode, + const struct object_id *oid, + char **buf, unsigned long *size) +{ + enum object_type type; + + *buf = read_sha1_file(oid->hash, &type, size); + if (!*buf) + return error(_("cannot read object %s '%s'"), + oid_to_hex(oid), path); + if ((type == OBJ_BLOB) && S_ISREG(mode)) { + struct strbuf strbuf = STRBUF_INIT; + if (convert_to_working_tree(path, *buf, *size, &strbuf)) { + free(*buf); + *size = strbuf.len; + *buf = strbuf_detach(&strbuf, NULL); + } + } + + return 0; +} + static int cat_one_file(int opt, const char *exp_type, const char *obj_name, int unknown_type) { - unsigned char sha1[20]; + struct object_id oid; enum object_type type; char *buf; unsigned long size; struct object_context obj_context; - struct object_info oi = {NULL}; + struct object_info oi = OBJECT_INFO_INIT; struct strbuf sb = STRBUF_INIT; unsigned flags = LOOKUP_REPLACE_OBJECT; + const char *path = force_path; if (unknown_type) flags |= LOOKUP_UNKNOWN_OBJECT; - if (get_sha1_with_context(obj_name, 0, sha1, &obj_context)) + if (get_sha1_with_context(obj_name, 0, oid.hash, &obj_context)) die("Not a valid object name %s", obj_name); + if (!path) + path = obj_context.path; + if (obj_context.mode == S_IFINVALID) + obj_context.mode = 0100644; + buf = NULL; switch (opt) { case 't': oi.typename = &sb; - if (sha1_object_info_extended(sha1, &oi, flags) < 0) + if (sha1_object_info_extended(oid.hash, &oi, flags) < 0) die("git cat-file: could not get object info"); if (sb.len) { printf("%s\n", sb.buf); @@ -53,24 +84,34 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, case 's': oi.sizep = &size; - if (sha1_object_info_extended(sha1, &oi, flags) < 0) + if (sha1_object_info_extended(oid.hash, &oi, flags) < 0) die("git cat-file: could not get object info"); printf("%lu\n", size); return 0; case 'e': - return !has_sha1_file(sha1); + return !has_object_file(&oid); + + case 'w': + if (!path[0]) + die("git cat-file --filters %s: <object> must be " + "<sha1:path>", obj_name); + + if (filter_object(path, obj_context.mode, + &oid, &buf, &size)) + return -1; + break; case 'c': - if (!obj_context.path[0]) + if (!path[0]) die("git cat-file --textconv %s: <object> must be <sha1:path>", obj_name); - if (textconv_object(obj_context.path, obj_context.mode, sha1, 1, &buf, &size)) + if (textconv_object(path, obj_context.mode, &oid, 1, &buf, &size)) break; case 'p': - type = sha1_object_info(sha1, NULL); + type = sha1_object_info(oid.hash, NULL); if (type < 0) die("Not a valid object name %s", obj_name); @@ -83,8 +124,8 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, } if (type == OBJ_BLOB) - return stream_blob_to_fd(1, sha1, NULL, 0); - buf = read_sha1_file(sha1, &type, &size); + return stream_blob_to_fd(1, &oid, NULL, 0); + buf = read_sha1_file(oid.hash, &type, &size); if (!buf) die("Cannot read object %s", obj_name); @@ -93,19 +134,19 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, case 0: if (type_from_string(exp_type) == OBJ_BLOB) { - unsigned char blob_sha1[20]; - if (sha1_object_info(sha1, NULL) == OBJ_TAG) { - char *buffer = read_sha1_file(sha1, &type, &size); + struct object_id blob_oid; + if (sha1_object_info(oid.hash, NULL) == OBJ_TAG) { + char *buffer = read_sha1_file(oid.hash, &type, &size); const char *target; if (!skip_prefix(buffer, "object ", &target) || - get_sha1_hex(target, blob_sha1)) - die("%s not a valid tag", sha1_to_hex(sha1)); + get_oid_hex(target, &blob_oid)) + die("%s not a valid tag", oid_to_hex(&oid)); free(buffer); } else - hashcpy(blob_sha1, sha1); + oidcpy(&blob_oid, &oid); - if (sha1_object_info(blob_sha1, NULL) == OBJ_BLOB) - return stream_blob_to_fd(1, blob_sha1, NULL, 0); + if (sha1_object_info(blob_oid.hash, NULL) == OBJ_BLOB) + return stream_blob_to_fd(1, &blob_oid, NULL, 0); /* * we attempted to dereference a tag to a blob * and failed; there may be new dereference @@ -113,7 +154,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, * fall-back to the usual case. */ } - buf = read_object_with_reference(sha1, exp_type, &size, NULL); + buf = read_object_with_reference(oid.hash, exp_type, &size, NULL); break; default: @@ -128,12 +169,12 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, } struct expand_data { - unsigned char sha1[20]; + struct object_id oid; enum object_type type; unsigned long size; off_t disk_size; const char *rest; - unsigned char delta_base_sha1[20]; + struct object_id delta_base_oid; /* * If mark_query is true, we do not expand anything, but rather @@ -176,7 +217,7 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len, if (is_atom("objectname", atom, len)) { if (!data->mark_query) - strbuf_addstr(sb, sha1_to_hex(data->sha1)); + strbuf_addstr(sb, oid_to_hex(&data->oid)); } else if (is_atom("objecttype", atom, len)) { if (data->mark_query) data->info.typep = &data->type; @@ -199,9 +240,10 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len, strbuf_addstr(sb, data->rest); } else if (is_atom("deltabase", atom, len)) { if (data->mark_query) - data->info.delta_base_sha1 = data->delta_base_sha1; + data->info.delta_base_sha1 = data->delta_base_oid.hash; else - strbuf_addstr(sb, sha1_to_hex(data->delta_base_sha1)); + strbuf_addstr(sb, + oid_to_hex(&data->delta_base_oid)); } else die("unknown format element: %.*s", len, atom); } @@ -232,28 +274,53 @@ static void batch_write(struct batch_options *opt, const void *data, int len) static void print_object_or_die(struct batch_options *opt, struct expand_data *data) { - const unsigned char *sha1 = data->sha1; + const struct object_id *oid = &data->oid; assert(data->info.typep); if (data->type == OBJ_BLOB) { if (opt->buffer_output) fflush(stdout); - if (stream_blob_to_fd(1, sha1, NULL, 0) < 0) - die("unable to stream %s to stdout", sha1_to_hex(sha1)); + if (opt->cmdmode) { + char *contents; + unsigned long size; + + if (!data->rest) + die("missing path for '%s'", oid_to_hex(oid)); + + if (opt->cmdmode == 'w') { + if (filter_object(data->rest, 0100644, oid, + &contents, &size)) + die("could not convert '%s' %s", + oid_to_hex(oid), data->rest); + } else if (opt->cmdmode == 'c') { + enum object_type type; + if (!textconv_object(data->rest, 0100644, oid, + 1, &contents, &size)) + contents = read_sha1_file(oid->hash, &type, + &size); + if (!contents) + die("could not convert '%s' %s", + oid_to_hex(oid), data->rest); + } else + die("BUG: invalid cmdmode: %c", opt->cmdmode); + batch_write(opt, contents, size); + free(contents); + } else if (stream_blob_to_fd(1, oid, NULL, 0) < 0) + die("unable to stream %s to stdout", oid_to_hex(oid)); } else { enum object_type type; unsigned long size; void *contents; - contents = read_sha1_file(sha1, &type, &size); + contents = read_sha1_file(oid->hash, &type, &size); if (!contents) - die("object %s disappeared", sha1_to_hex(sha1)); + die("object %s disappeared", oid_to_hex(oid)); if (type != data->type) - die("object %s changed type!?", sha1_to_hex(sha1)); + die("object %s changed type!?", oid_to_hex(oid)); if (data->info.sizep && size != data->size) - die("object %s changed size!?", sha1_to_hex(sha1)); + die("object %s changed size!?", oid_to_hex(oid)); batch_write(opt, contents, size); free(contents); @@ -266,8 +333,9 @@ static void batch_object_write(const char *obj_name, struct batch_options *opt, struct strbuf buf = STRBUF_INIT; if (!data->skip_object_info && - sha1_object_info_extended(data->sha1, &data->info, LOOKUP_REPLACE_OBJECT) < 0) { - printf("%s missing\n", obj_name ? obj_name : sha1_to_hex(data->sha1)); + sha1_object_info_extended(data->oid.hash, &data->info, LOOKUP_REPLACE_OBJECT) < 0) { + printf("%s missing\n", + obj_name ? obj_name : oid_to_hex(&data->oid)); fflush(stdout); return; } @@ -290,7 +358,7 @@ static void batch_one_object(const char *obj_name, struct batch_options *opt, int flags = opt->follow_symlinks ? GET_SHA1_FOLLOW_SYMLINKS : 0; enum follow_symlinks_result result; - result = get_sha1_with_context(obj_name, flags, data->sha1, &ctx); + result = get_sha1_with_context(obj_name, flags, data->oid.hash, &ctx); if (result != FOUND) { switch (result) { case MISSING_OBJECT: @@ -333,27 +401,28 @@ struct object_cb_data { struct expand_data *expand; }; -static void batch_object_cb(const unsigned char sha1[20], void *vdata) +static int batch_object_cb(const struct object_id *oid, void *vdata) { struct object_cb_data *data = vdata; - hashcpy(data->expand->sha1, sha1); + oidcpy(&data->expand->oid, oid); batch_object_write(NULL, data->opt, data->expand); + return 0; } -static int batch_loose_object(const unsigned char *sha1, +static int batch_loose_object(const struct object_id *oid, const char *path, void *data) { - sha1_array_append(data, sha1); + oid_array_append(data, oid); return 0; } -static int batch_packed_object(const unsigned char *sha1, +static int batch_packed_object(const struct object_id *oid, struct packed_git *pack, uint32_t pos, void *data) { - sha1_array_append(data, sha1); + oid_array_append(data, oid); return 0; } @@ -376,10 +445,11 @@ static int batch_objects(struct batch_options *opt) data.mark_query = 1; strbuf_expand(&buf, opt->format, expand_format, &data); data.mark_query = 0; + if (opt->cmdmode) + data.split_on_whitespace = 1; if (opt->all_objects) { - struct object_info empty; - memset(&empty, 0, sizeof(empty)); + struct object_info empty = OBJECT_INFO_INIT; if (!memcmp(&data.info, &empty, sizeof(empty))) data.skip_object_info = 1; } @@ -392,7 +462,7 @@ static int batch_objects(struct batch_options *opt) data.info.typep = &data.type; if (opt->all_objects) { - struct sha1_array sa = SHA1_ARRAY_INIT; + struct oid_array sa = OID_ARRAY_INIT; struct object_cb_data cb; for_each_loose_object(batch_loose_object, &sa, 0); @@ -400,9 +470,9 @@ static int batch_objects(struct batch_options *opt) cb.opt = opt; cb.expand = &data; - sha1_array_for_each_unique(&sa, batch_object_cb, &cb); + oid_array_for_each_unique(&sa, batch_object_cb, &cb); - sha1_array_clear(&sa); + oid_array_clear(&sa); return 0; } @@ -440,8 +510,8 @@ static int batch_objects(struct batch_options *opt) } static const char * const cat_file_usage[] = { - N_("git cat-file (-t [--allow-unknown-type] | -s [--allow-unknown-type] | -e | -p | <type> | --textconv) <object>"), - N_("git cat-file (--batch | --batch-check) [--follow-symlinks]"), + N_("git cat-file (-t [--allow-unknown-type] | -s [--allow-unknown-type] | -e | -p | <type> | --textconv | --filters) [--path=<path>] <object>"), + N_("git cat-file (--batch | --batch-check) [--follow-symlinks] [--textconv | --filters]"), NULL }; @@ -486,6 +556,10 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix) OPT_CMDMODE('p', NULL, &opt, N_("pretty-print object's content"), 'p'), OPT_CMDMODE(0, "textconv", &opt, N_("for blob objects, run textconv on object's content"), 'c'), + OPT_CMDMODE(0, "filters", &opt, + N_("for blob objects, run filters on object's content"), 'w'), + OPT_STRING(0, "path", &force_path, N_("blob"), + N_("use a specific path for --textconv/--filters")), OPT_BOOL(0, "allow-unknown-type", &unknown_type, N_("allow -s and -t to work with broken/corrupt objects")), OPT_BOOL(0, "buffer", &batch.buffer_output, N_("buffer --batch output")), @@ -508,7 +582,9 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, options, cat_file_usage, 0); if (opt) { - if (argc == 1) + if (batch.enabled && (opt == 'c' || opt == 'w')) + batch.cmdmode = opt; + else if (argc == 1) obj_name = argv[0]; else usage_with_options(cat_file_usage, options); @@ -520,14 +596,28 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix) } else usage_with_options(cat_file_usage, options); } - if (batch.enabled && (opt || argc)) { - usage_with_options(cat_file_usage, options); + if (batch.enabled) { + if (batch.cmdmode != opt || argc) + usage_with_options(cat_file_usage, options); + if (batch.cmdmode && batch.all_objects) + die("--batch-all-objects cannot be combined with " + "--textconv nor with --filters"); } if ((batch.follow_symlinks || batch.all_objects) && !batch.enabled) { usage_with_options(cat_file_usage, options); } + if (force_path && opt != 'c' && opt != 'w') { + error("--path=<path> needs --textconv or --filters"); + usage_with_options(cat_file_usage, options); + } + + if (force_path && batch.enabled) { + error("--path=<path> incompatible with --batch"); + usage_with_options(cat_file_usage, options); + } + if (batch.buffer_output < 0) batch.buffer_output = batch.all_objects; diff --git a/builtin/check-attr.c b/builtin/check-attr.c index 53a5a18..4d01ca0 100644 --- a/builtin/check-attr.c +++ b/builtin/check-attr.c @@ -24,12 +24,13 @@ static const struct option check_attr_options[] = { OPT_END() }; -static void output_attr(int cnt, struct git_attr_check *check, - const char *file) +static void output_attr(struct attr_check *check, const char *file) { int j; + int cnt = check->nr; + for (j = 0; j < cnt; j++) { - const char *value = check[j].value; + const char *value = check->items[j].value; if (ATTR_TRUE(value)) value = "set"; @@ -42,35 +43,38 @@ static void output_attr(int cnt, struct git_attr_check *check, printf("%s%c" /* path */ "%s%c" /* attrname */ "%s%c" /* attrvalue */, - file, 0, git_attr_name(check[j].attr), 0, value, 0); + file, 0, + git_attr_name(check->items[j].attr), 0, value, 0); } else { quote_c_style(file, NULL, stdout, 0); - printf(": %s: %s\n", git_attr_name(check[j].attr), value); + printf(": %s: %s\n", + git_attr_name(check->items[j].attr), value); } - } } -static void check_attr(const char *prefix, int cnt, - struct git_attr_check *check, const char *file) +static void check_attr(const char *prefix, + struct attr_check *check, + int collect_all, + const char *file) { char *full_path = prefix_path(prefix, prefix ? strlen(prefix) : 0, file); - if (check != NULL) { - if (git_check_attr(full_path, cnt, check)) - die("git_check_attr died"); - output_attr(cnt, check, file); + + if (collect_all) { + git_all_attrs(full_path, check); } else { - if (git_all_attrs(full_path, &cnt, &check)) - die("git_all_attrs died"); - output_attr(cnt, check, file); - free(check); + if (git_check_attr(full_path, check)) + die("git_check_attr died"); } + output_attr(check, file); + free(full_path); } -static void check_attr_stdin_paths(const char *prefix, int cnt, - struct git_attr_check *check) +static void check_attr_stdin_paths(const char *prefix, + struct attr_check *check, + int collect_all) { struct strbuf buf = STRBUF_INIT; struct strbuf unquoted = STRBUF_INIT; @@ -84,7 +88,7 @@ static void check_attr_stdin_paths(const char *prefix, int cnt, die("line is badly quoted"); strbuf_swap(&buf, &unquoted); } - check_attr(prefix, cnt, check, buf.buf); + check_attr(prefix, check, collect_all, buf.buf); maybe_flush_or_die(stdout, "attribute to stdout"); } strbuf_release(&buf); @@ -99,7 +103,7 @@ static NORETURN void error_with_usage(const char *msg) int cmd_check_attr(int argc, const char **argv, const char *prefix) { - struct git_attr_check *check; + struct attr_check *check; int cnt, i, doubledash, filei; if (!is_bare_repository()) @@ -159,28 +163,26 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix) error_with_usage("No file specified"); } - if (all_attrs) { - check = NULL; - } else { - check = xcalloc(cnt, sizeof(*check)); + check = attr_check_alloc(); + if (!all_attrs) { for (i = 0; i < cnt; i++) { - const char *name; - struct git_attr *a; - name = argv[i]; - a = git_attr(name); + const struct git_attr *a = git_attr(argv[i]); + if (!a) return error("%s: not a valid attribute name", - name); - check[i].attr = a; + argv[i]); + attr_check_append(check, a); } } if (stdin_paths) - check_attr_stdin_paths(prefix, cnt, check); + check_attr_stdin_paths(prefix, check, all_attrs); else { for (i = filei; i < argc; i++) - check_attr(prefix, cnt, check, argv[i]); + check_attr(prefix, check, all_attrs, argv[i]); maybe_flush_or_die(stdout, "attribute to stdout"); } + + attr_check_free(check); return 0; } diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c index 92c6967..07631d0 100644 --- a/builtin/checkout-index.c +++ b/builtin/checkout-index.c @@ -16,7 +16,7 @@ static int checkout_stage; /* default to checkout stage0 */ static int to_tempfile; static char topath[4][TEMPORARY_FILENAME_LENGTH + 1]; -static struct checkout state; +static struct checkout state = CHECKOUT_INIT; static void write_tempfile_record(const char *name, const char *prefix) { @@ -205,7 +205,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix) if (index_opt && !state.base_dir_len && !to_tempfile) { state.refresh_cache = 1; state.istate = &the_index; - newfd = hold_locked_index(&lock_file, 1); + newfd = hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); } /* Check out named files first */ diff --git a/builtin/checkout.c b/builtin/checkout.c index 899bd8d..bfa5419 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -21,12 +21,31 @@ #include "submodule-config.h" #include "submodule.h" +static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT; + static const char * const checkout_usage[] = { N_("git checkout [<options>] <branch>"), N_("git checkout [<options>] [<branch>] -- <file>..."), NULL, }; +static int option_parse_recurse_submodules(const struct option *opt, + const char *arg, int unset) +{ + if (unset) { + recurse_submodules = RECURSE_SUBMODULES_OFF; + return 0; + } + if (arg) + recurse_submodules = + parse_update_recurse_submodules_arg(opt->long_name, + arg); + else + recurse_submodules = RECURSE_SUBMODULES_ON; + + return 0; +} + struct checkout_opts { int patch_mode; int quiet; @@ -56,8 +75,8 @@ static int post_checkout_hook(struct commit *old, struct commit *new, int changed) { return run_hook_le(NULL, "post-checkout", - sha1_to_hex(old ? old->object.oid.hash : null_sha1), - sha1_to_hex(new ? new->object.oid.hash : null_sha1), + oid_to_hex(old ? &old->object.oid : &null_oid), + oid_to_hex(new ? &new->object.oid : &null_oid), changed ? "1" : "0", NULL); /* "new" can be NULL when checking out from the index before a commit exists. */ @@ -76,7 +95,7 @@ static int update_some(const unsigned char *sha1, struct strbuf *base, len = base->len + strlen(pathname); ce = xcalloc(1, cache_entry_size(len)); - hashcpy(ce->sha1, sha1); + hashcpy(ce->oid.hash, sha1); memcpy(ce->name, base->buf, base->len); memcpy(ce->name + base->len, pathname, len - base->len); ce->ce_flags = create_ce_flags(0) | CE_UPDATE; @@ -92,7 +111,7 @@ static int update_some(const unsigned char *sha1, struct strbuf *base, if (pos >= 0) { struct cache_entry *old = active_cache[pos]; if (ce->ce_mode == old->ce_mode && - !hashcmp(ce->sha1, old->sha1)) { + !oidcmp(&ce->oid, &old->oid)) { old->ce_flags |= CE_UPDATE; free(ce); return 0; @@ -175,9 +194,9 @@ static int checkout_merged(int pos, const struct checkout *state) const char *path = ce->name; mmfile_t ancestor, ours, theirs; int status; - unsigned char sha1[20]; + struct object_id oid; mmbuffer_t result_buf; - unsigned char threeway[3][20]; + struct object_id threeway[3]; unsigned mode = 0; memset(threeway, 0, sizeof(threeway)); @@ -186,18 +205,18 @@ static int checkout_merged(int pos, const struct checkout *state) stage = ce_stage(ce); if (!stage || strcmp(path, ce->name)) break; - hashcpy(threeway[stage - 1], ce->sha1); + oidcpy(&threeway[stage - 1], &ce->oid); if (stage == 2) mode = create_ce_mode(ce->ce_mode); pos++; ce = active_cache[pos]; } - if (is_null_sha1(threeway[1]) || is_null_sha1(threeway[2])) + if (is_null_oid(&threeway[1]) || is_null_oid(&threeway[2])) return error(_("path '%s' does not have necessary versions"), path); - read_mmblob(&ancestor, threeway[0]); - read_mmblob(&ours, threeway[1]); - read_mmblob(&theirs, threeway[2]); + read_mmblob(&ancestor, &threeway[0]); + read_mmblob(&ours, &threeway[1]); + read_mmblob(&theirs, &threeway[2]); /* * NEEDSWORK: re-create conflicts from merges with @@ -226,9 +245,9 @@ static int checkout_merged(int pos, const struct checkout *state) * object database even when it may contain conflicts). */ if (write_sha1_file(result_buf.ptr, result_buf.size, - blob_type, sha1)) + blob_type, oid.hash)) die(_("Unable to add merge result for '%s'"), path); - ce = make_cache_entry(mode, sha1, path, 2, 0); + ce = make_cache_entry(mode, oid.hash, path, 2, 0); if (!ce) die(_("make_cache_entry failed for path '%s'"), path); status = checkout_entry(ce, state, NULL); @@ -239,9 +258,9 @@ static int checkout_paths(const struct checkout_opts *opts, const char *revision) { int pos; - struct checkout state; + struct checkout state = CHECKOUT_INIT; static char *ps_matched; - unsigned char rev[20]; + struct object_id rev; struct commit *head; int errs = 0; struct lock_file *lock_file; @@ -274,7 +293,7 @@ static int checkout_paths(const struct checkout_opts *opts, lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, 1); + hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); if (read_cache_preload(&opts->pathspec) < 0) return error(_("index file corrupt")); @@ -352,7 +371,6 @@ static int checkout_paths(const struct checkout_opts *opts, return 1; /* Now we are committed to check them out */ - memset(&state, 0, sizeof(state)); state.force = 1; state.refresh_cache = 1; state.istate = &the_index; @@ -374,8 +392,8 @@ static int checkout_paths(const struct checkout_opts *opts, if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); - read_ref_full("HEAD", 0, rev, NULL); - head = lookup_commit_reference_gently(rev, 1); + read_ref_full("HEAD", 0, rev.hash, NULL); + head = lookup_commit_reference_gently(rev.hash, 1); errs |= post_checkout_hook(head, head, 0); return errs; @@ -453,7 +471,7 @@ static void setup_branch_path(struct branch_info *branch) { struct strbuf buf = STRBUF_INIT; - strbuf_branchname(&buf, branch->name); + strbuf_branchname(&buf, branch->name, INTERPRET_BRANCH_LOCAL); if (strcmp(buf.buf, branch->name)) branch->name = xstrdup(buf.buf); strbuf_splice(&buf, 0, 0, "refs/heads/", 11); @@ -468,7 +486,7 @@ static int merge_working_tree(const struct checkout_opts *opts, int ret; struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, 1); + hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); if (read_cache_preload(NULL) < 0) return error(_("index file corrupt")); @@ -613,22 +631,25 @@ static void update_refs_for_switch(const struct checkout_opts *opts, const char *old_desc, *reflog_msg; if (opts->new_branch) { if (opts->new_orphan_branch) { - if (opts->new_branch_log && !log_all_ref_updates) { + char *refname; + + refname = mkpathdup("refs/heads/%s", opts->new_orphan_branch); + if (opts->new_branch_log && + !should_autocreate_reflog(refname)) { int ret; - char *refname; struct strbuf err = STRBUF_INIT; - refname = mkpathdup("refs/heads/%s", opts->new_orphan_branch); ret = safe_create_reflog(refname, 1, &err); - free(refname); if (ret) { fprintf(stderr, _("Can not do reflog for '%s': %s\n"), opts->new_orphan_branch, err.buf); strbuf_release(&err); + free(refname); return; } strbuf_release(&err); } + free(refname); } else create_branch(opts->new_branch, new->name, @@ -808,11 +829,11 @@ static int switch_branches(const struct checkout_opts *opts, int ret = 0; struct branch_info old; void *path_to_free; - unsigned char rev[20]; + struct object_id rev; int flag, writeout_error = 0; memset(&old, 0, sizeof(old)); - old.path = path_to_free = resolve_refdup("HEAD", 0, rev, &flag); - old.commit = lookup_commit_reference_gently(rev, 1); + old.path = path_to_free = resolve_refdup("HEAD", 0, rev.hash, &flag); + old.commit = lookup_commit_reference_gently(rev.hash, 1); if (!(flag & REF_ISSYMREF)) old.path = NULL; @@ -860,7 +881,7 @@ static int git_checkout_config(const char *var, const char *value, void *cb) struct tracking_name_data { /* const */ char *src_ref; char *dst_ref; - unsigned char *dst_sha1; + struct object_id *dst_oid; int unique; }; @@ -871,7 +892,7 @@ static int check_tracking_name(struct remote *remote, void *cb_data) memset(&query, 0, sizeof(struct refspec)); query.src = cb->src_ref; if (remote_find_tracking(remote, &query) || - get_sha1(query.dst, cb->dst_sha1)) { + get_oid(query.dst, cb->dst_oid)) { free(query.dst); return 0; } @@ -884,14 +905,13 @@ static int check_tracking_name(struct remote *remote, void *cb_data) return 0; } -static const char *unique_tracking_name(const char *name, unsigned char *sha1) +static const char *unique_tracking_name(const char *name, struct object_id *oid) { struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 }; - char src_ref[PATH_MAX]; - snprintf(src_ref, PATH_MAX, "refs/heads/%s", name); - cb_data.src_ref = src_ref; - cb_data.dst_sha1 = sha1; + cb_data.src_ref = xstrfmt("refs/heads/%s", name); + cb_data.dst_oid = oid; for_each_remote(check_tracking_name, &cb_data); + free(cb_data.src_ref); if (cb_data.unique) return cb_data.dst_ref; free(cb_data.dst_ref); @@ -902,12 +922,12 @@ static int parse_branchname_arg(int argc, const char **argv, int dwim_new_local_branch_ok, struct branch_info *new, struct checkout_opts *opts, - unsigned char rev[20]) + struct object_id *rev) { struct tree **source_tree = &opts->source_tree; const char **new_branch = &opts->new_branch; int argcount = 0; - unsigned char branch_rev[20]; + struct object_id branch_rev; const char *arg; int dash_dash_pos; int has_dash_dash = 0; @@ -973,7 +993,7 @@ static int parse_branchname_arg(int argc, const char **argv, if (!strcmp(arg, "-")) arg = "@{-1}"; - if (get_sha1_mb(arg, rev)) { + if (get_oid_mb(arg, rev)) { /* * Either case (3) or (4), with <something> not being * a commit, or an attempt to use case (1) with an @@ -1022,15 +1042,15 @@ static int parse_branchname_arg(int argc, const char **argv, setup_branch_path(new); if (!check_refname_format(new->path, 0) && - !read_ref(new->path, branch_rev)) - hashcpy(rev, branch_rev); + !read_ref(new->path, branch_rev.hash)) + oidcpy(rev, &branch_rev); else new->path = NULL; /* not an existing branch */ - new->commit = lookup_commit_reference_gently(rev, 1); + new->commit = lookup_commit_reference_gently(rev->hash, 1); if (!new->commit) { /* not a commit */ - *source_tree = parse_tree_indirect(rev); + *source_tree = parse_tree_indirect(rev->hash); } else { parse_commit_or_die(new->commit); *source_tree = new->commit->tree; @@ -1108,9 +1128,9 @@ static int checkout_branch(struct checkout_opts *opts, if (new->path && !opts->force_detach && !opts->new_branch && !opts->ignore_other_worktrees) { - unsigned char sha1[20]; + struct object_id oid; int flag; - char *head_ref = resolve_refdup("HEAD", 0, sha1, &flag); + char *head_ref = resolve_refdup("HEAD", 0, oid.hash, &flag); if (head_ref && (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path))) die_if_checked_out(new->path, 1); @@ -1118,11 +1138,11 @@ static int checkout_branch(struct checkout_opts *opts, } if (!new->commit && opts->new_branch) { - unsigned char rev[20]; + struct object_id rev; int flag; - if (!read_ref_full("HEAD", 0, rev, &flag) && - (flag & REF_ISSYMREF) && is_null_sha1(rev)) + if (!read_ref_full("HEAD", 0, rev.hash, &flag) && + (flag & REF_ISSYMREF) && is_null_oid(&rev)) return switch_unborn_to_new_branch(opts); } return switch_branches(opts, new); @@ -1161,6 +1181,9 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) N_("second guess 'git checkout <no-such-branch>'")), OPT_BOOL(0, "ignore-other-worktrees", &opts.ignore_other_worktrees, N_("do not check if another worktree is holding the given ref")), + { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, + "checkout", "control recursive updating of submodules", + PARSE_OPT_OPTARG, option_parse_recurse_submodules }, OPT_BOOL(0, "progress", &opts.show_progress, N_("force progress reporting")), OPT_END(), }; @@ -1191,6 +1214,12 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) git_xmerge_config("merge.conflictstyle", conflict_style, NULL); } + if (recurse_submodules != RECURSE_SUBMODULES_OFF) { + git_config(submodule_config, NULL); + if (recurse_submodules != RECURSE_SUBMODULES_DEFAULT) + set_config_update_recurse_submodules(recurse_submodules); + } + if ((!!opts.new_branch + !!opts.new_branch_force + !!opts.new_orphan_branch) > 1) die(_("-b, -B and --orphan are mutually exclusive")); @@ -1232,14 +1261,14 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) * remote branches, erroring out for invalid or ambiguous cases. */ if (argc) { - unsigned char rev[20]; + struct object_id rev; int dwim_ok = !opts.patch_mode && dwim_new_local_branch && opts.track == BRANCH_TRACK_UNSPECIFIED && !opts.new_branch; int n = parse_branchname_arg(argc, argv, dwim_ok, - &new, &opts, rev); + &new, &opts, &rev); argv += n; argc -= n; } diff --git a/builtin/clean.c b/builtin/clean.c index 0371010..d861f83 100644 --- a/builtin/clean.c +++ b/builtin/clean.c @@ -174,8 +174,10 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, /* an empty dir could be removed even if it is unreadble */ res = dry_run ? 0 : rmdir(path->buf); if (res) { + int saved_errno = errno; quote_path_relative(path->buf, prefix, "ed); - warning(_(msg_warn_remove_failed), quoted.buf); + errno = saved_errno; + warning_errno(_(msg_warn_remove_failed), quoted.buf); *dir_gone = 0; } return res; @@ -208,8 +210,10 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, quote_path_relative(path->buf, prefix, "ed); string_list_append(&dels, quoted.buf); } else { + int saved_errno = errno; quote_path_relative(path->buf, prefix, "ed); - warning(_(msg_warn_remove_failed), quoted.buf); + errno = saved_errno; + warning_errno(_(msg_warn_remove_failed), quoted.buf); *dir_gone = 0; ret = 1; } @@ -230,8 +234,10 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, if (!res) *dir_gone = 1; else { + int saved_errno = errno; quote_path_relative(path->buf, prefix, "ed); - warning(_(msg_warn_remove_failed), quoted.buf); + errno = saved_errno; + warning_errno(_(msg_warn_remove_failed), quoted.buf); *dir_gone = 0; ret = 1; } @@ -287,11 +293,11 @@ static void pretty_print_menus(struct string_list *menu_list) static void prompt_help_cmd(int singleton) { clean_print_color(CLEAN_COLOR_HELP); - printf_ln(singleton ? + printf(singleton ? _("Prompt help:\n" "1 - select a numbered item\n" "foo - select item based on unique prefix\n" - " - (empty) select nothing") : + " - (empty) select nothing\n") : _("Prompt help:\n" "1 - select a single item\n" "3-5 - select a range of items\n" @@ -299,7 +305,7 @@ static void prompt_help_cmd(int singleton) "foo - select item based on unique prefix\n" "-... - unselect specified items\n" "* - choose all items\n" - " - (empty) finish selecting")); + " - (empty) finish selecting\n")); clean_print_color(CLEAN_COLOR_RESET); } @@ -508,7 +514,7 @@ static int parse_choice(struct menu_stuff *menu_stuff, if (top <= 0 || bottom <= 0 || top > menu_stuff->nr || bottom > top || (is_single && bottom != top)) { clean_print_color(CLEAN_COLOR_ERROR); - printf_ln(_("Huh (%s)?"), (*ptr)->buf); + printf(_("Huh (%s)?\n"), (*ptr)->buf); clean_print_color(CLEAN_COLOR_RESET); continue; } @@ -774,7 +780,7 @@ static int ask_each_cmd(void) static int quit_cmd(void) { string_list_clear(&del_list, 0); - printf_ln(_("Bye.")); + printf(_("Bye.\n")); return MENU_RETURN_NO_LOOP; } @@ -981,8 +987,10 @@ int cmd_clean(int argc, const char **argv, const char *prefix) } else { res = dry_run ? 0 : unlink(abs_path.buf); if (res) { + int saved_errno = errno; qname = quote_path_relative(item->string, NULL, &buf); - warning(_(msg_warn_remove_failed), qname); + errno = saved_errno; + warning_errno(_(msg_warn_remove_failed), qname); errors++; } else if (!quiet) { qname = quote_path_relative(item->string, NULL, &buf); diff --git a/builtin/clone.c b/builtin/clone.c index a35d622..de85b85 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -39,20 +39,38 @@ static const char * const builtin_clone_usage[] = { }; static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1; -static int option_local = -1, option_no_hardlinks, option_shared, option_recursive; +static int option_local = -1, option_no_hardlinks, option_shared; static int option_shallow_submodules; -static char *option_template, *option_depth; +static int deepen; +static char *option_template, *option_depth, *option_since; static char *option_origin = NULL; static char *option_branch = NULL; +static struct string_list option_not = STRING_LIST_INIT_NODUP; static const char *real_git_dir; static char *option_upload_pack = "git-upload-pack"; static int option_verbosity; static int option_progress = -1; static enum transport_family family; static struct string_list option_config = STRING_LIST_INIT_NODUP; -static struct string_list option_reference = STRING_LIST_INIT_NODUP; +static struct string_list option_required_reference = STRING_LIST_INIT_NODUP; +static struct string_list option_optional_reference = STRING_LIST_INIT_NODUP; static int option_dissociate; static int max_jobs = -1; +static struct string_list option_recurse_submodules = STRING_LIST_INIT_NODUP; + +static int recurse_submodules_cb(const struct option *opt, + const char *arg, int unset) +{ + if (unset) + string_list_clear((struct string_list *)opt->value, 0); + else if (arg) + string_list_append((struct string_list *)opt->value, arg); + else + string_list_append((struct string_list *)opt->value, + (const char *)opt->defval); + + return 0; +} static struct option builtin_clone_options[] = { OPT__VERBOSITY(&option_verbosity), @@ -71,16 +89,21 @@ static struct option builtin_clone_options[] = { N_("don't use local hardlinks, always copy")), OPT_BOOL('s', "shared", &option_shared, N_("setup as shared repository")), - OPT_BOOL(0, "recursive", &option_recursive, - N_("initialize submodules in the clone")), - OPT_BOOL(0, "recurse-submodules", &option_recursive, - N_("initialize submodules in the clone")), + { OPTION_CALLBACK, 0, "recursive", &option_recurse_submodules, + N_("pathspec"), N_("initialize submodules in the clone"), + PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, recurse_submodules_cb, + (intptr_t)"." }, + { OPTION_CALLBACK, 0, "recurse-submodules", &option_recurse_submodules, + N_("pathspec"), N_("initialize submodules in the clone"), + PARSE_OPT_OPTARG, recurse_submodules_cb, (intptr_t)"." }, OPT_INTEGER('j', "jobs", &max_jobs, N_("number of submodules cloned in parallel")), OPT_STRING(0, "template", &option_template, N_("template-directory"), N_("directory from which templates will be used")), - OPT_STRING_LIST(0, "reference", &option_reference, N_("repo"), + OPT_STRING_LIST(0, "reference", &option_required_reference, N_("repo"), N_("reference repository")), + OPT_STRING_LIST(0, "reference-if-able", &option_optional_reference, + N_("repo"), N_("reference repository")), OPT_BOOL(0, "dissociate", &option_dissociate, N_("use --reference only while cloning")), OPT_STRING('o', "origin", &option_origin, N_("name"), @@ -91,6 +114,10 @@ static struct option builtin_clone_options[] = { N_("path to git-upload-pack on the remote")), OPT_STRING(0, "depth", &option_depth, N_("depth"), N_("create a shallow clone of that depth")), + OPT_STRING(0, "shallow-since", &option_since, N_("time"), + N_("create a shallow clone since a specific time")), + OPT_STRING_LIST(0, "shallow-exclude", &option_not, N_("revision"), + N_("deepen history of shallow clone, excluding rev")), OPT_BOOL(0, "single-branch", &option_single_branch, N_("clone only one branch, HEAD or --branch")), OPT_BOOL(0, "shallow-submodules", &option_shallow_submodules, @@ -161,7 +188,7 @@ static char *get_repo_path(const char *repo, int *is_bundle) strbuf_addstr(&path, repo); raw = get_repo_path_1(&path, is_bundle); - canon = raw ? xstrdup(absolute_path(raw)) : NULL; + canon = raw ? absolute_pathdup(raw) : NULL; strbuf_release(&path); return canon; } @@ -282,50 +309,37 @@ static void strip_trailing_slashes(char *dir) static int add_one_reference(struct string_list_item *item, void *cb_data) { - char *ref_git; - const char *repo; - struct strbuf alternate = STRBUF_INIT; - - /* Beware: read_gitfile(), real_path() and mkpath() return static buffer */ - ref_git = xstrdup(real_path(item->string)); - - repo = read_gitfile(ref_git); - if (!repo) - repo = read_gitfile(mkpath("%s/.git", ref_git)); - if (repo) { - free(ref_git); - ref_git = xstrdup(repo); - } + struct strbuf err = STRBUF_INIT; + int *required = cb_data; + char *ref_git = compute_alternate_path(item->string, &err); - if (!repo && is_directory(mkpath("%s/.git/objects", ref_git))) { - char *ref_git_git = mkpathdup("%s/.git", ref_git); - free(ref_git); - ref_git = ref_git_git; - } else if (!is_directory(mkpath("%s/objects", ref_git))) { + if (!ref_git) { + if (*required) + die("%s", err.buf); + else + fprintf(stderr, + _("info: Could not add alternate for '%s': %s\n"), + item->string, err.buf); + } else { struct strbuf sb = STRBUF_INIT; - if (get_common_dir(&sb, ref_git)) - die(_("reference repository '%s' as a linked checkout is not supported yet."), - item->string); - die(_("reference repository '%s' is not a local repository."), - item->string); + strbuf_addf(&sb, "%s/objects", ref_git); + add_to_alternates_file(sb.buf); + strbuf_release(&sb); } - if (!access(mkpath("%s/shallow", ref_git), F_OK)) - die(_("reference repository '%s' is shallow"), item->string); - - if (!access(mkpath("%s/info/grafts", ref_git), F_OK)) - die(_("reference repository '%s' is grafted"), item->string); - - strbuf_addf(&alternate, "%s/objects", ref_git); - add_to_alternates_file(alternate.buf); - strbuf_release(&alternate); + strbuf_release(&err); free(ref_git); return 0; } static void setup_reference(void) { - for_each_string_list(&option_reference, add_one_reference, NULL); + int required = 1; + for_each_string_list(&option_required_reference, + add_one_reference, &required); + required = 0; + for_each_string_list(&option_optional_reference, + add_one_reference, &required); } static void copy_alternates(struct strbuf *src, struct strbuf *dst, @@ -683,9 +697,9 @@ static void update_head(const struct ref *our, const struct ref *remote, } } -static int checkout(void) +static int checkout(int submodule_progress) { - unsigned char sha1[20]; + struct object_id oid; char *head; struct lock_file *lock_file; struct unpack_trees_options opts; @@ -696,7 +710,7 @@ static int checkout(void) if (option_no_checkout) return 0; - head = resolve_refdup("HEAD", RESOLVE_REF_READING, sha1, NULL); + head = resolve_refdup("HEAD", RESOLVE_REF_READING, oid.hash, NULL); if (!head) { warning(_("remote HEAD refers to nonexistent ref, " "unable to checkout.\n")); @@ -704,7 +718,7 @@ static int checkout(void) } if (!strcmp(head, "HEAD")) { if (advice_detached_head) - detach_advice(sha1_to_hex(sha1)); + detach_advice(oid_to_hex(&oid)); } else { if (!starts_with(head, "refs/heads/")) die(_("HEAD not found below refs/heads!")); @@ -715,7 +729,7 @@ static int checkout(void) setup_work_tree(); lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, 1); + hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); memset(&opts, 0, sizeof opts); opts.update = 1; @@ -725,7 +739,7 @@ static int checkout(void) opts.src_index = &the_index; opts.dst_index = &the_index; - tree = parse_tree_indirect(sha1); + tree = parse_tree_indirect(oid.hash); parse_tree(tree); init_tree_desc(&t, tree->buffer, tree->size); if (unpack_trees(1, &t, &opts) < 0) @@ -735,9 +749,9 @@ static int checkout(void) die(_("unable to write new index file")); err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1), - sha1_to_hex(sha1), "1", NULL); + oid_to_hex(&oid), "1", NULL); - if (!err && option_recursive) { + if (!err && (option_recurse_submodules.nr > 0)) { struct argv_array args = ARGV_ARRAY_INIT; argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL); @@ -747,6 +761,9 @@ static int checkout(void) if (max_jobs != -1) argv_array_pushf(&args, "--jobs=%d", max_jobs); + if (submodule_progress) + argv_array_push(&args, "--progress"); + err = run_command_v_opt(args.argv, RUN_GIT_CMD); argv_array_clear(&args); } @@ -854,6 +871,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) const char *src_ref_prefix = "refs/heads/"; struct remote *remote; int err = 0, complete_refs_before_fetch = 1; + int submodule_progress; struct refspec *refspec; const char *fetch_pattern; @@ -870,8 +888,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix) usage_msg_opt(_("You must specify a repository to clone."), builtin_clone_usage, builtin_clone_options); + if (option_depth || option_since || option_not.nr) + deepen = 1; if (option_single_branch == -1) - option_single_branch = option_depth ? 1 : 0; + option_single_branch = deepen ? 1 : 0; if (option_mirror) option_bare = 1; @@ -892,7 +912,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) path = get_repo_path(repo_name, &is_bundle); if (path) - repo = xstrdup(absolute_path(repo_name)); + repo = absolute_pathdup(repo_name); else if (!strchr(repo_name, ':')) die(_("repository '%s' does not exist"), repo_name); else @@ -944,23 +964,58 @@ int cmd_clone(int argc, const char **argv, const char *prefix) set_git_work_tree(work_tree); } - junk_git_dir = git_dir; + junk_git_dir = real_git_dir ? real_git_dir : git_dir; if (safe_create_leading_directories_const(git_dir) < 0) die(_("could not create leading directories of '%s'"), git_dir); - set_git_dir_init(git_dir, real_git_dir, 0); - if (real_git_dir) { - git_dir = real_git_dir; - junk_git_dir = real_git_dir; - } - if (0 <= option_verbosity) { if (option_bare) fprintf(stderr, _("Cloning into bare repository '%s'...\n"), dir); else fprintf(stderr, _("Cloning into '%s'...\n"), dir); } - init_db(option_template, INIT_DB_QUIET); + + if (option_recurse_submodules.nr > 0) { + struct string_list_item *item; + struct strbuf sb = STRBUF_INIT; + + /* remove duplicates */ + string_list_sort(&option_recurse_submodules); + string_list_remove_duplicates(&option_recurse_submodules, 0); + + /* + * NEEDSWORK: In a multi-working-tree world, this needs to be + * set in the per-worktree config. + */ + for_each_string_list_item(item, &option_recurse_submodules) { + strbuf_addf(&sb, "submodule.active=%s", + item->string); + string_list_append(&option_config, + strbuf_detach(&sb, NULL)); + } + + if (option_required_reference.nr && + option_optional_reference.nr) + die(_("clone --recursive is not compatible with " + "both --reference and --reference-if-able")); + else if (option_required_reference.nr) { + string_list_append(&option_config, + "submodule.alternateLocation=superproject"); + string_list_append(&option_config, + "submodule.alternateErrorStrategy=die"); + } else if (option_optional_reference.nr) { + string_list_append(&option_config, + "submodule.alternateLocation=superproject"); + string_list_append(&option_config, + "submodule.alternateErrorStrategy=info"); + } + } + + init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET); + + if (real_git_dir) + git_dir = real_git_dir; + write_config(&option_config); git_config(git_default_config, NULL); @@ -980,7 +1035,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) git_config_set(key.buf, repo); strbuf_reset(&key); - if (option_reference.nr) + if (option_required_reference.nr || option_optional_reference.nr) setup_reference(); fetch_pattern = value.buf; @@ -998,6 +1053,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix) if (is_local) { if (option_depth) warning(_("--depth is ignored in local clones; use file:// instead.")); + if (option_since) + warning(_("--shallow-since is ignored in local clones; use file:// instead.")); + if (option_not.nr) + warning(_("--shallow-exclude is ignored in local clones; use file:// instead.")); if (!access(mkpath("%s/shallow", path), F_OK)) { if (option_local > 0) warning(_("source repository is shallow, ignoring --local")); @@ -1016,6 +1075,12 @@ int cmd_clone(int argc, const char **argv, const char *prefix) if (option_depth) transport_set_option(transport, TRANS_OPT_DEPTH, option_depth); + if (option_since) + transport_set_option(transport, TRANS_OPT_DEEPEN_SINCE, + option_since); + if (option_not.nr) + transport_set_option(transport, TRANS_OPT_DEEPEN_NOT, + (const char *)&option_not); if (option_single_branch) transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1"); @@ -1023,7 +1088,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) transport_set_option(transport, TRANS_OPT_UPLOADPACK, option_upload_pack); - if (transport->smart_options && !option_depth) + if (transport->smart_options && !deepen) transport->smart_options->check_self_contained_and_connected = 1; refs = transport_get_remote_refs(transport); @@ -1093,6 +1158,14 @@ int cmd_clone(int argc, const char **argv, const char *prefix) update_head(our_head_points_at, remote_head, reflog_msg.buf); + /* + * We want to show progress for recursive submodule clones iff + * we did so for the main clone. But only the transport knows + * the final decision for this flag, so we need to rescue the value + * before we free the transport. + */ + submodule_progress = transport->progress; + transport_unlock_pack(transport); transport_disconnect(transport); @@ -1102,7 +1175,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) } junk_mode = JUNK_LEAVE_REPO; - err = checkout(); + err = checkout(submodule_progress); strbuf_release(&reflog_msg); strbuf_release(&branch_top); diff --git a/builtin/commit-tree.c b/builtin/commit-tree.c index 8a674bc..6050172 100644 --- a/builtin/commit-tree.c +++ b/builtin/commit-tree.c @@ -40,8 +40,8 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) { int i, got_tree = 0; struct commit_list *parents = NULL; - unsigned char tree_sha1[20]; - unsigned char commit_sha1[20]; + struct object_id tree_oid; + struct object_id commit_oid; struct strbuf buffer = STRBUF_INIT; git_config(commit_tree_config, NULL); @@ -52,13 +52,13 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) for (i = 1; i < argc; i++) { const char *arg = argv[i]; if (!strcmp(arg, "-p")) { - unsigned char sha1[20]; + struct object_id oid; if (argc <= ++i) usage(commit_tree_usage); - if (get_sha1_commit(argv[i], sha1)) + if (get_sha1_commit(argv[i], oid.hash)) die("Not a valid object name %s", argv[i]); - assert_sha1_type(sha1, OBJ_COMMIT); - new_parent(lookup_commit(sha1), &parents); + assert_sha1_type(oid.hash, OBJ_COMMIT); + new_parent(lookup_commit(oid.hash), &parents); continue; } @@ -105,7 +105,7 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) continue; } - if (get_sha1_tree(arg, tree_sha1)) + if (get_sha1_tree(arg, tree_oid.hash)) die("Not a valid object name %s", arg); if (got_tree) die("Cannot give more than one trees"); @@ -117,13 +117,13 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) die_errno("git commit-tree: failed to read"); } - if (commit_tree(buffer.buf, buffer.len, tree_sha1, parents, - commit_sha1, NULL, sign_commit)) { + if (commit_tree(buffer.buf, buffer.len, tree_oid.hash, parents, + commit_oid.hash, NULL, sign_commit)) { strbuf_release(&buffer); return 1; } - printf("%s\n", sha1_to_hex(commit_sha1)); + printf("%s\n", oid_to_hex(&commit_oid)); strbuf_release(&buffer); return 0; } diff --git a/builtin/commit.c b/builtin/commit.c index 63a8424..ad188fe 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -142,14 +142,24 @@ static int show_ignored_in_status, have_option_m; static const char *only_include_assumed; static struct strbuf message = STRBUF_INIT; -static enum status_format { - STATUS_FORMAT_NONE = 0, - STATUS_FORMAT_LONG, - STATUS_FORMAT_SHORT, - STATUS_FORMAT_PORCELAIN, +static enum wt_status_format status_format = STATUS_FORMAT_UNSPECIFIED; - STATUS_FORMAT_UNSPECIFIED -} status_format = STATUS_FORMAT_UNSPECIFIED; +static int opt_parse_porcelain(const struct option *opt, const char *arg, int unset) +{ + enum wt_status_format *value = (enum wt_status_format *)opt->value; + if (unset) + *value = STATUS_FORMAT_NONE; + else if (!arg) + *value = STATUS_FORMAT_PORCELAIN; + else if (!strcmp(arg, "v1") || !strcmp(arg, "1")) + *value = STATUS_FORMAT_PORCELAIN; + else if (!strcmp(arg, "v2") || !strcmp(arg, "2")) + *value = STATUS_FORMAT_PORCELAIN_V2; + else + die("unsupported porcelain version '%s'", arg); + + return 0; +} static int opt_parse_m(const struct option *opt, const char *arg, int unset) { @@ -173,7 +183,7 @@ static void determine_whence(struct wt_status *s) whence = FROM_MERGE; else if (file_exists(git_path_cherry_pick_head())) { whence = FROM_CHERRY_PICK; - if (file_exists(git_path(SEQ_DIR))) + if (file_exists(git_path_seq_dir())) sequencer_in_use = 1; } else @@ -341,7 +351,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix if (interactive) { char *old_index_env = NULL; - hold_locked_index(&index_lock, 1); + hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR); refresh_cache_or_die(refresh_flags); @@ -386,7 +396,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix * (B) on failure, rollback the real index. */ if (all || (also && pathspec.nr)) { - hold_locked_index(&index_lock, 1); + hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR); add_files_to_cache(also ? prefix : NULL, &pathspec, 0); refresh_cache_or_die(refresh_flags); update_main_cache_tree(WRITE_TREE_SILENT); @@ -406,7 +416,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix * We still need to refresh the index here. */ if (!only && !pathspec.nr) { - hold_locked_index(&index_lock, 1); + hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR); refresh_cache_or_die(refresh_flags); if (active_cache_changed || !cache_tree_fully_valid(active_cache_tree)) @@ -458,7 +468,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix if (read_cache() < 0) die(_("cannot read the index")); - hold_locked_index(&index_lock, 1); + hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR); add_remove_files(&partial); refresh_cache(REFRESH_QUIET); update_main_cache_tree(WRITE_TREE_SILENT); @@ -486,7 +496,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn, struct wt_status *s) { - unsigned char sha1[20]; + struct object_id oid; if (s->relative_paths) s->prefix = prefix; @@ -499,25 +509,14 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int s->index_file = index_file; s->fp = fp; s->nowarn = nowarn; - s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0; + s->is_initial = get_sha1(s->reference, oid.hash) ? 1 : 0; + if (!s->is_initial) + hashcpy(s->sha1_commit, oid.hash); + s->status_format = status_format; + s->ignore_submodule_arg = ignore_submodule_arg; wt_status_collect(s); - - switch (status_format) { - case STATUS_FORMAT_SHORT: - wt_shortstatus_print(s); - break; - case STATUS_FORMAT_PORCELAIN: - wt_porcelain_print(s); - break; - case STATUS_FORMAT_UNSPECIFIED: - die("BUG: finalize_deferred_config() should have been called"); - break; - case STATUS_FORMAT_NONE: - case STATUS_FORMAT_LONG: - wt_status_print(s); - break; - } + wt_status_print(s); return s->commitable; } @@ -791,7 +790,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix, strbuf_stripspace(&sb, 0); if (signoff) - append_signoff(&sb, ignore_non_trailer(&sb), 0); + append_signoff(&sb, ignore_non_trailer(sb.buf, sb.len), 0); if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len) die_errno(_("could not write commit template")); @@ -886,7 +885,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix, commitable = run_status(s->fp, index_file, prefix, 1, s); s->use_color = saved_color_setting; } else { - unsigned char sha1[20]; + struct object_id oid; const char *parent = "HEAD"; if (!active_nr && read_cache() < 0) @@ -895,9 +894,14 @@ static int prepare_to_commit(const char *index_file, const char *prefix, if (amend) parent = "HEAD^1"; - if (get_sha1(parent, sha1)) - commitable = !!active_nr; - else { + if (get_sha1(parent, oid.hash)) { + int i, ita_nr = 0; + + for (i = 0; i < active_nr; i++) + if (ce_intent_to_add(active_cache[i])) + ita_nr++; + commitable = active_nr - ita_nr > 0; + } else { /* * Unless the user did explicitly request a submodule * ignore mode by passing a command line option we do @@ -911,7 +915,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix, if (ignore_submodule_arg && !strcmp(ignore_submodule_arg, "all")) diff_flags |= DIFF_OPT_IGNORE_SUBMODULES; - commitable = index_differs_from(parent, diff_flags); + commitable = index_differs_from(parent, diff_flags, 1); } } strbuf_release(&committer_ident); @@ -956,15 +960,15 @@ static int prepare_to_commit(const char *index_file, const char *prefix, return 0; if (use_editor) { - char index[PATH_MAX]; - const char *env[2] = { NULL }; - env[0] = index; - snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); - if (launch_editor(git_path_commit_editmsg(), NULL, env)) { + struct argv_array env = ARGV_ARRAY_INIT; + + argv_array_pushf(&env, "GIT_INDEX_FILE=%s", index_file); + if (launch_editor(git_path_commit_editmsg(), NULL, env.argv)) { fprintf(stderr, _("Please supply the message using either -m or -F option.\n")); exit(1); } + argv_array_clear(&env); } if (!no_verify && @@ -1099,7 +1103,7 @@ static const char *read_commit_message(const char *name) * is not in effect here. */ static struct status_deferred_config { - enum status_format status_format; + enum wt_status_format status_format; int show_branch; } status_deferred_config = { STATUS_FORMAT_UNSPECIFIED, @@ -1109,6 +1113,7 @@ static struct status_deferred_config { static void finalize_deferred_config(struct wt_status *s) { int use_deferred_config = (status_format != STATUS_FORMAT_PORCELAIN && + status_format != STATUS_FORMAT_PORCELAIN_V2 && !s->null_termination); if (s->null_termination) { @@ -1201,10 +1206,8 @@ static int parse_and_validate_options(int argc, const char *argv[], if (also + only + all + interactive > 1) die(_("Only one of --include/--only/--all/--interactive/--patch can be used.")); - if (argc == 0 && (also || (only && !amend))) + if (argc == 0 && (also || (only && !amend && !allow_empty))) die(_("No paths with --include/--only does not make sense.")); - if (argc == 0 && only && amend) - only_include_assumed = _("Clever... amending the last one with dirty index."); if (argc > 0 && !also && !only) only_include_assumed = _("Explicit paths specified without -i or -o; assuming --only paths..."); if (!cleanup_arg || !strcmp(cleanup_arg, "default")) @@ -1329,16 +1332,16 @@ int cmd_status(int argc, const char **argv, const char *prefix) { static struct wt_status s; int fd; - unsigned char sha1[20]; + struct object_id oid; static struct option builtin_status_options[] = { OPT__VERBOSE(&verbose, N_("be verbose")), OPT_SET_INT('s', "short", &status_format, N_("show status concisely"), STATUS_FORMAT_SHORT), OPT_BOOL('b', "branch", &s.show_branch, N_("show branch information")), - OPT_SET_INT(0, "porcelain", &status_format, - N_("machine-readable output"), - STATUS_FORMAT_PORCELAIN), + { OPTION_CALLBACK, 0, "porcelain", &status_format, + N_("version"), N_("machine-readable output"), + PARSE_OPT_OPTARG, opt_parse_porcelain }, OPT_SET_INT(0, "long", &status_format, N_("show status in long format (default)"), STATUS_FORMAT_LONG), @@ -1379,8 +1382,14 @@ int cmd_status(int argc, const char **argv, const char *prefix) fd = hold_locked_index(&index_lock, 0); - s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0; + s.is_initial = get_sha1(s.reference, oid.hash) ? 1 : 0; + if (!s.is_initial) + hashcpy(s.sha1_commit, oid.hash); + s.ignore_submodule_arg = ignore_submodule_arg; + s.status_format = status_format; + s.verbose = verbose; + wt_status_collect(&s); if (0 <= fd) @@ -1389,29 +1398,13 @@ int cmd_status(int argc, const char **argv, const char *prefix) if (s.relative_paths) s.prefix = prefix; - switch (status_format) { - case STATUS_FORMAT_SHORT: - wt_shortstatus_print(&s); - break; - case STATUS_FORMAT_PORCELAIN: - wt_porcelain_print(&s); - break; - case STATUS_FORMAT_UNSPECIFIED: - die("BUG: finalize_deferred_config() should have been called"); - break; - case STATUS_FORMAT_NONE: - case STATUS_FORMAT_LONG: - s.verbose = verbose; - s.ignore_submodule_arg = ignore_submodule_arg; - wt_status_print(&s); - break; - } + wt_status_print(&s); return 0; } static const char *implicit_ident_advice(void) { - char *user_config = expand_user_path("~/.gitconfig"); + char *user_config = expand_user_path("~/.gitconfig", 0); char *xdg_config = xdg_config_home("config"); int config_exists = file_exists(user_config) || file_exists(xdg_config); @@ -1425,19 +1418,19 @@ static const char *implicit_ident_advice(void) } -static void print_summary(const char *prefix, const unsigned char *sha1, +static void print_summary(const char *prefix, const struct object_id *oid, int initial_commit) { struct rev_info rev; struct commit *commit; struct strbuf format = STRBUF_INIT; - unsigned char junk_sha1[20]; + struct object_id junk_oid; const char *head; struct pretty_print_context pctx = {0}; struct strbuf author_ident = STRBUF_INIT; struct strbuf committer_ident = STRBUF_INIT; - commit = lookup_commit(sha1); + commit = lookup_commit(oid->hash); if (!commit) die(_("couldn't look up newly created commit")); if (parse_commit(commit)) @@ -1484,7 +1477,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1, rev.diffopt.break_opt = 0; diff_setup_done(&rev.diffopt); - head = resolve_ref_unsafe("HEAD", 0, junk_sha1, NULL); + head = resolve_ref_unsafe("HEAD", 0, junk_oid.hash, NULL); if (!strcmp(head, "HEAD")) head = _("detached HEAD"); else @@ -1529,15 +1522,13 @@ static int git_commit_config(const char *k, const char *v, void *cb) return git_status_config(k, v, s); } -static int run_rewrite_hook(const unsigned char *oldsha1, - const unsigned char *newsha1) +static int run_rewrite_hook(const struct object_id *oldoid, + const struct object_id *newoid) { - /* oldsha1 SP newsha1 LF NUL */ - static char buf[2*40 + 3]; struct child_process proc = CHILD_PROCESS_INIT; const char *argv[3]; int code; - size_t n; + struct strbuf sb = STRBUF_INIT; argv[0] = find_hook("post-rewrite"); if (!argv[0]) @@ -1553,34 +1544,33 @@ static int run_rewrite_hook(const unsigned char *oldsha1, code = start_command(&proc); if (code) return code; - n = snprintf(buf, sizeof(buf), "%s %s\n", - sha1_to_hex(oldsha1), sha1_to_hex(newsha1)); + strbuf_addf(&sb, "%s %s\n", oid_to_hex(oldoid), oid_to_hex(newoid)); sigchain_push(SIGPIPE, SIG_IGN); - write_in_full(proc.in, buf, n); + write_in_full(proc.in, sb.buf, sb.len); close(proc.in); + strbuf_release(&sb); sigchain_pop(SIGPIPE); return finish_command(&proc); } int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...) { - const char *hook_env[3] = { NULL }; - char index[PATH_MAX]; + struct argv_array hook_env = ARGV_ARRAY_INIT; va_list args; int ret; - snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); - hook_env[0] = index; + argv_array_pushf(&hook_env, "GIT_INDEX_FILE=%s", index_file); /* * Let the hook know that no editor will be launched. */ if (!editor_is_used) - hook_env[1] = "GIT_EDITOR=:"; + argv_array_push(&hook_env, "GIT_EDITOR=:"); va_start(args, name); - ret = run_hook_ve(hook_env, name, args); + ret = run_hook_ve(hook_env.argv,name, args); va_end(args); + argv_array_clear(&hook_env); return ret; } @@ -1646,7 +1636,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) struct strbuf author_ident = STRBUF_INIT; const char *index_file, *reflog_msg; char *nl; - unsigned char sha1[20]; + struct object_id oid; struct commit_list *parents = NULL; struct stat statbuf; struct commit *current_head = NULL; @@ -1661,10 +1651,10 @@ int cmd_commit(int argc, const char **argv, const char *prefix) status_format = STATUS_FORMAT_NONE; /* Ignore status.short */ s.colopts = 0; - if (get_sha1("HEAD", sha1)) + if (get_sha1("HEAD", oid.hash)) current_head = NULL; else { - current_head = lookup_commit_or_die(sha1, "HEAD"); + current_head = lookup_commit_or_die(oid.hash, "HEAD"); if (parse_commit(current_head)) die(_("could not parse HEAD commit")); } @@ -1769,7 +1759,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) } if (commit_tree_extended(sb.buf, sb.len, active_cache_tree->sha1, - parents, sha1, author_ident.buf, sign_commit, extra)) { + parents, oid.hash, author_ident.buf, sign_commit, extra)) { rollback_index_files(); die(_("failed to write commit object")); } @@ -1786,7 +1776,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) transaction = ref_transaction_begin(&err); if (!transaction || - ref_transaction_update(transaction, "HEAD", sha1, + ref_transaction_update(transaction, "HEAD", oid.hash, current_head ? current_head->object.oid.hash : null_sha1, 0, sb.buf, &err) || @@ -1815,13 +1805,13 @@ int cmd_commit(int argc, const char **argv, const char *prefix) cfg = init_copy_notes_for_rewrite("amend"); if (cfg) { /* we are amending, so current_head is not NULL */ - copy_note_for_rewrite(cfg, current_head->object.oid.hash, sha1); + copy_note_for_rewrite(cfg, current_head->object.oid.hash, oid.hash); finish_copy_notes_for_rewrite(cfg, "Notes added by 'git commit --amend'"); } - run_rewrite_hook(current_head->object.oid.hash, sha1); + run_rewrite_hook(¤t_head->object.oid, &oid); } if (!quiet) - print_summary(prefix, sha1, !current_head); + print_summary(prefix, &oid, !current_head); strbuf_release(&err); return 0; diff --git a/builtin/config.c b/builtin/config.c index 6cbf733..3f7c876 100644 --- a/builtin/config.c +++ b/builtin/config.c @@ -502,7 +502,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) } if (use_global_config) { - char *user_config = expand_user_path("~/.gitconfig"); + char *user_config = expand_user_path("~/.gitconfig", 0); char *xdg_config = xdg_config_home("config"); if (!user_config) @@ -527,9 +527,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) else if (given_config_source.file) { if (!is_absolute_path(given_config_source.file) && prefix) given_config_source.file = - xstrdup(prefix_filename(prefix, - strlen(prefix), - given_config_source.file)); + prefix_filename(prefix, given_config_source.file); } if (respect_includes == -1) @@ -622,8 +620,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) value = normalize_value(argv[0], argv[1]); ret = git_config_set_in_file_gently(given_config_source.file, argv[0], value); if (ret == CONFIG_NOTHING_SET) - error("cannot overwrite multiple values with a single value\n" - " Use a regexp, --add or --replace-all to change %s.", argv[0]); + error(_("cannot overwrite multiple values with a single value\n" + " Use a regexp, --add or --replace-all to change %s."), argv[0]); return ret; } else if (actions == ACTION_SET_ALL) { diff --git a/builtin/count-objects.c b/builtin/count-objects.c index ba92919..acb0594 100644 --- a/builtin/count-objects.c +++ b/builtin/count-objects.c @@ -8,6 +8,7 @@ #include "dir.h" #include "builtin.h" #include "parse-options.h" +#include "quote.h" static unsigned long garbage; static off_t size_garbage; @@ -52,7 +53,7 @@ static void loose_garbage(const char *path) report_garbage(PACKDIR_FILE_GARBAGE, path); } -static int count_loose(const unsigned char *sha1, const char *path, void *data) +static int count_loose(const struct object_id *oid, const char *path, void *data) { struct stat st; @@ -61,7 +62,7 @@ static int count_loose(const unsigned char *sha1, const char *path, void *data) else { loose_size += on_disk_bytes(st); loose++; - if (verbose && has_sha1_pack(sha1)) + if (verbose && has_sha1_pack(oid->hash)) packed_loose++; } return 0; @@ -73,6 +74,14 @@ static int count_cruft(const char *basename, const char *path, void *data) return 0; } +static int print_alternate(struct alternate_object_database *alt, void *data) +{ + printf("alternate: "); + quote_c_style(alt->path, NULL, stdout, 0); + putchar('\n'); + return 0; +} + static char const * const count_objects_usage[] = { N_("git count-objects [-v] [-H | --human-readable]"), NULL @@ -88,6 +97,8 @@ int cmd_count_objects(int argc, const char **argv, const char *prefix) OPT_END(), }; + git_config(git_default_config, NULL); + argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0); /* we do not take arguments other than flags for now */ if (argc) @@ -140,6 +151,7 @@ int cmd_count_objects(int argc, const char **argv, const char *prefix) printf("prune-packable: %lu\n", packed_loose); printf("garbage: %lu\n", garbage); printf("size-garbage: %s\n", garbage_buf.buf); + foreach_alt_odb(print_alternate, NULL); strbuf_release(&loose_buf); strbuf_release(&pack_buf); strbuf_release(&garbage_buf); diff --git a/builtin/describe.c b/builtin/describe.c index 8a25abe..a5cd8c5 100644 --- a/builtin/describe.c +++ b/builtin/describe.c @@ -9,6 +9,7 @@ #include "diff.h" #include "hashmap.h" #include "argv-array.h" +#include "run-command.h" #define SEEN (1u << 0) #define MAX_TAGS (FLAG_BITS - 1) @@ -28,9 +29,10 @@ static int abbrev = -1; /* unspecified */ static int max_candidates = 10; static struct hashmap names; static int have_util; -static const char *pattern; +static struct string_list patterns = STRING_LIST_INIT_NODUP; +static struct string_list exclude_patterns = STRING_LIST_INIT_NODUP; static int always; -static const char *dirty; +static const char *suffix, *dirty, *broken; /* diff-index command arguments to check if working tree is dirty. */ static const char *diff_index_args[] = { @@ -39,32 +41,32 @@ static const char *diff_index_args[] = { struct commit_name { struct hashmap_entry entry; - unsigned char peeled[20]; + struct object_id peeled; struct tag *tag; unsigned prio:2; /* annotated tag = 2, tag = 1, head = 0 */ unsigned name_checked:1; - unsigned char sha1[20]; + struct object_id oid; char *path; }; static const char *prio_names[] = { - "head", "lightweight", "annotated", + N_("head"), N_("lightweight"), N_("annotated"), }; static int commit_name_cmp(const struct commit_name *cn1, const struct commit_name *cn2, const void *peeled) { - return hashcmp(cn1->peeled, peeled ? peeled : cn2->peeled); + return oidcmp(&cn1->peeled, peeled ? peeled : &cn2->peeled); } -static inline struct commit_name *find_commit_name(const unsigned char *peeled) +static inline struct commit_name *find_commit_name(const struct object_id *peeled) { - return hashmap_get_from_hash(&names, sha1hash(peeled), peeled); + return hashmap_get_from_hash(&names, sha1hash(peeled->hash), peeled->hash); } static int replace_name(struct commit_name *e, int prio, - const unsigned char *sha1, + const struct object_id *oid, struct tag **tag) { if (!e || e->prio < prio) @@ -77,13 +79,13 @@ static int replace_name(struct commit_name *e, struct tag *t; if (!e->tag) { - t = lookup_tag(e->sha1); + t = lookup_tag(e->oid.hash); if (!t || parse_tag(t)) return 1; e->tag = t; } - t = lookup_tag(sha1); + t = lookup_tag(oid->hash); if (!t || parse_tag(t)) return 0; *tag = t; @@ -96,24 +98,24 @@ static int replace_name(struct commit_name *e, } static void add_to_known_names(const char *path, - const unsigned char *peeled, + const struct object_id *peeled, int prio, - const unsigned char *sha1) + const struct object_id *oid) { struct commit_name *e = find_commit_name(peeled); struct tag *tag = NULL; - if (replace_name(e, prio, sha1, &tag)) { + if (replace_name(e, prio, oid, &tag)) { if (!e) { e = xmalloc(sizeof(struct commit_name)); - hashcpy(e->peeled, peeled); - hashmap_entry_init(e, sha1hash(peeled)); + oidcpy(&e->peeled, peeled); + hashmap_entry_init(e, sha1hash(peeled->hash)); hashmap_add(&names, e); e->path = NULL; } e->tag = tag; e->prio = prio; e->name_checked = 0; - hashcpy(e->sha1, sha1); + oidcpy(&e->oid, oid); free(e->path); e->path = xstrdup(path); } @@ -129,9 +131,40 @@ static int get_name(const char *path, const struct object_id *oid, int flag, voi if (!all && !is_tag) return 0; - /* Accept only tags that match the pattern, if given */ - if (pattern && (!is_tag || wildmatch(pattern, path + 10, 0, NULL))) - return 0; + /* + * If we're given exclude patterns, first exclude any tag which match + * any of the exclude pattern. + */ + if (exclude_patterns.nr) { + struct string_list_item *item; + + if (!is_tag) + return 0; + + for_each_string_list_item(item, &exclude_patterns) { + if (!wildmatch(item->string, path + 10, 0, NULL)) + return 0; + } + } + + /* + * If we're given patterns, accept only tags which match at least one + * pattern. + */ + if (patterns.nr) { + struct string_list_item *item; + + if (!is_tag) + return 0; + + for_each_string_list_item(item, &patterns) { + if (!wildmatch(item->string, path + 10, 0, NULL)) + break; + + /* If we get here, no pattern matched. */ + return 0; + } + } /* Is it annotated? */ if (!peel_ref(path, peeled.hash)) { @@ -154,7 +187,7 @@ static int get_name(const char *path, const struct object_id *oid, int flag, voi else prio = 0; - add_to_known_names(all ? path + 5 : path + 10, peeled.hash, prio, oid->hash); + add_to_known_names(all ? path + 5 : path + 10, &peeled, prio, oid); return 0; } @@ -212,7 +245,7 @@ static unsigned long finish_depth_computation( static void display_name(struct commit_name *n) { if (n->prio == 2 && !n->tag) { - n->tag = lookup_tag(n->sha1); + n->tag = lookup_tag(n->oid.hash); if (!n->tag || parse_tag(n->tag)) die(_("annotated tag %s not available"), n->path); } @@ -230,14 +263,14 @@ static void display_name(struct commit_name *n) printf("%s", n->path); } -static void show_suffix(int depth, const unsigned char *sha1) +static void show_suffix(int depth, const struct object_id *oid) { - printf("-%d-g%s", depth, find_unique_abbrev(sha1, abbrev)); + printf("-%d-g%s", depth, find_unique_abbrev(oid->hash, abbrev)); } static void describe(const char *arg, int last_one) { - unsigned char sha1[20]; + struct object_id oid; struct commit *cmit, *gave_up_on = NULL; struct commit_list *list; struct commit_name *n; @@ -246,22 +279,22 @@ static void describe(const char *arg, int last_one) unsigned long seen_commits = 0; unsigned int unannotated_cnt = 0; - if (get_sha1(arg, sha1)) + if (get_oid(arg, &oid)) die(_("Not a valid object name %s"), arg); - cmit = lookup_commit_reference(sha1); + cmit = lookup_commit_reference(oid.hash); if (!cmit) die(_("%s is not a valid '%s' object"), arg, commit_type); - n = find_commit_name(cmit->object.oid.hash); + n = find_commit_name(&cmit->object.oid); if (n && (tags || all || n->prio == 2)) { /* * Exact match to an existing ref. */ display_name(n); if (longformat) - show_suffix(0, n->tag ? n->tag->tagged->oid.hash : sha1); - if (dirty) - printf("%s", dirty); + show_suffix(0, n->tag ? &n->tag->tagged->oid : &oid); + if (suffix) + printf("%s", suffix); printf("\n"); return; } @@ -276,7 +309,7 @@ static void describe(const char *arg, int last_one) struct commit *c; struct commit_name *n = hashmap_iter_first(&names, &iter); for (; n; n = hashmap_iter_next(&iter)) { - c = lookup_commit_reference_gently(n->peeled, 1); + c = lookup_commit_reference_gently(n->peeled.hash, 1); if (c) c->util = n; } @@ -337,8 +370,8 @@ static void describe(const char *arg, int last_one) struct object_id *oid = &cmit->object.oid; if (always) { printf("%s", find_unique_abbrev(oid->hash, abbrev)); - if (dirty) - printf("%s", dirty); + if (suffix) + printf("%s", suffix); printf("\n"); return; } @@ -352,7 +385,7 @@ static void describe(const char *arg, int last_one) oid_to_hex(oid)); } - qsort(all_matches, match_cnt, sizeof(all_matches[0]), compare_pt); + QSORT(all_matches, match_cnt, compare_pt); if (gave_up_on) { commit_list_insert_by_date(gave_up_on, &list); @@ -362,10 +395,19 @@ static void describe(const char *arg, int last_one) free_commit_list(list); if (debug) { + static int label_width = -1; + if (label_width < 0) { + int i, w; + for (i = 0; i < ARRAY_SIZE(prio_names); i++) { + w = strlen(_(prio_names[i])); + if (label_width < w) + label_width = w; + } + } for (cur_match = 0; cur_match < match_cnt; cur_match++) { struct possible_tag *t = &all_matches[cur_match]; - fprintf(stderr, " %-11s %8d %s\n", - prio_names[t->name->prio], + fprintf(stderr, " %-*s %8d %s\n", + label_width, _(prio_names[t->name->prio]), t->depth, t->name->path); } fprintf(stderr, _("traversed %lu commits\n"), seen_commits); @@ -380,9 +422,9 @@ static void describe(const char *arg, int last_one) display_name(all_matches[0].name); if (abbrev) - show_suffix(all_matches[0].depth, cmit->object.oid.hash); - if (dirty) - printf("%s", dirty); + show_suffix(all_matches[0].depth, &cmit->object.oid); + if (suffix) + printf("%s", suffix); printf("\n"); if (!last_one) @@ -404,13 +446,18 @@ int cmd_describe(int argc, const char **argv, const char *prefix) N_("only output exact matches"), 0), OPT_INTEGER(0, "candidates", &max_candidates, N_("consider <n> most recent tags (default: 10)")), - OPT_STRING(0, "match", &pattern, N_("pattern"), + OPT_STRING_LIST(0, "match", &patterns, N_("pattern"), N_("only consider tags matching <pattern>")), + OPT_STRING_LIST(0, "exclude", &exclude_patterns, N_("pattern"), + N_("do not consider tags matching <pattern>")), OPT_BOOL(0, "always", &always, N_("show abbreviated commit object as fallback")), {OPTION_STRING, 0, "dirty", &dirty, N_("mark"), N_("append <mark> on dirty working tree (default: \"-dirty\")"), PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"}, + {OPTION_STRING, 0, "broken", &broken, N_("mark"), + N_("append <mark> on broken working tree (default: \"-broken\")"), + PARSE_OPT_OPTARG, NULL, (intptr_t) "-broken"}, OPT_END(), }; @@ -430,6 +477,7 @@ int cmd_describe(int argc, const char **argv, const char *prefix) die(_("--long is incompatible with --abbrev=0")); if (contains) { + struct string_list_item *item; struct argv_array args; argv_array_init(&args); @@ -440,8 +488,10 @@ int cmd_describe(int argc, const char **argv, const char *prefix) argv_array_push(&args, "--always"); if (!all) { argv_array_push(&args, "--tags"); - if (pattern) - argv_array_pushf(&args, "--refs=refs/tags/%s", pattern); + for_each_string_list_item(item, &patterns) + argv_array_pushf(&args, "--refs=refs/tags/%s", item->string); + for_each_string_list_item(item, &exclude_patterns) + argv_array_pushf(&args, "--exclude=refs/tags/%s", item->string); } if (argc) argv_array_pushv(&args, argv); @@ -456,7 +506,28 @@ int cmd_describe(int argc, const char **argv, const char *prefix) die(_("No names found, cannot describe anything.")); if (argc == 0) { - if (dirty) { + if (broken) { + struct child_process cp = CHILD_PROCESS_INIT; + argv_array_pushv(&cp.args, diff_index_args); + cp.git_cmd = 1; + cp.no_stdin = 1; + cp.no_stdout = 1; + + if (!dirty) + dirty = "-dirty"; + + switch (run_command(&cp)) { + case 0: + suffix = NULL; + break; + case 1: + suffix = dirty; + break; + default: + /* diff-index aborted abnormally */ + suffix = broken; + } + } else if (dirty) { static struct lock_file index_lock; int fd; @@ -469,11 +540,15 @@ int cmd_describe(int argc, const char **argv, const char *prefix) if (!cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1, diff_index_args, prefix)) - dirty = NULL; + suffix = NULL; + else + suffix = dirty; } describe("HEAD", 1); } else if (dirty) { die(_("--dirty is incompatible with commit-ishes")); + } else if (broken) { + die(_("--broken is incompatible with commit-ishes")); } else { while (argc-- > 0) describe(*argv++, argc == 0); diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c index 806dd7a..326f88b 100644 --- a/builtin/diff-tree.c +++ b/builtin/diff-tree.c @@ -7,46 +7,44 @@ static struct rev_info log_tree_opt; -static int diff_tree_commit_sha1(const unsigned char *sha1) +static int diff_tree_commit_sha1(const struct object_id *oid) { - struct commit *commit = lookup_commit_reference(sha1); + struct commit *commit = lookup_commit_reference(oid->hash); if (!commit) return -1; return log_tree_commit(&log_tree_opt, commit); } /* Diff one or more commits. */ -static int stdin_diff_commit(struct commit *commit, char *line, int len) +static int stdin_diff_commit(struct commit *commit, const char *p) { - unsigned char sha1[20]; - if (isspace(line[40]) && !get_sha1_hex(line+41, sha1)) { - /* Graft the fake parents locally to the commit */ - int pos = 41; - struct commit_list **pptr; - - /* Free the real parent list */ - free_commit_list(commit->parents); - commit->parents = NULL; - pptr = &(commit->parents); - while (line[pos] && !get_sha1_hex(line + pos, sha1)) { - struct commit *parent = lookup_commit(sha1); - if (parent) { - pptr = &commit_list_insert(parent, pptr)->next; - } - pos += 41; + struct object_id oid; + struct commit_list **pptr = NULL; + + /* Graft the fake parents locally to the commit */ + while (isspace(*p++) && !parse_oid_hex(p, &oid, &p)) { + struct commit *parent = lookup_commit(oid.hash); + if (!pptr) { + /* Free the real parent list */ + free_commit_list(commit->parents); + commit->parents = NULL; + pptr = &(commit->parents); + } + if (parent) { + pptr = &commit_list_insert(parent, pptr)->next; } } return log_tree_commit(&log_tree_opt, commit); } /* Diff two trees. */ -static int stdin_diff_trees(struct tree *tree1, char *line, int len) +static int stdin_diff_trees(struct tree *tree1, const char *p) { - unsigned char sha1[20]; + struct object_id oid; struct tree *tree2; - if (len != 82 || !isspace(line[40]) || get_sha1_hex(line + 41, sha1)) + if (!isspace(*p++) || parse_oid_hex(p, &oid, &p) || *p) return error("Need exactly two trees, separated by a space"); - tree2 = lookup_tree(sha1); + tree2 = lookup_tree(oid.hash); if (!tree2 || parse_tree(tree2)) return -1; printf("%s %s\n", oid_to_hex(&tree1->object.oid), @@ -60,23 +58,24 @@ static int stdin_diff_trees(struct tree *tree1, char *line, int len) static int diff_tree_stdin(char *line) { int len = strlen(line); - unsigned char sha1[20]; + struct object_id oid; struct object *obj; + const char *p; if (!len || line[len-1] != '\n') return -1; line[len-1] = 0; - if (get_sha1_hex(line, sha1)) + if (parse_oid_hex(line, &oid, &p)) return -1; - obj = parse_object(sha1); + obj = parse_object(oid.hash); if (!obj) return -1; if (obj->type == OBJ_COMMIT) - return stdin_diff_commit((struct commit *)obj, line, len); + return stdin_diff_commit((struct commit *)obj, p); if (obj->type == OBJ_TREE) - return stdin_diff_trees((struct tree *)obj, line, len); + return stdin_diff_trees((struct tree *)obj, p); error("Object %s is a %s, not a commit or tree", - sha1_to_hex(sha1), typename(obj->type)); + oid_to_hex(&oid), typename(obj->type)); return -1; } @@ -141,15 +140,13 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) break; case 1: tree1 = opt->pending.objects[0].item; - diff_tree_commit_sha1(tree1->oid.hash); + diff_tree_commit_sha1(&tree1->oid); break; case 2: tree1 = opt->pending.objects[0].item; tree2 = opt->pending.objects[1].item; if (tree2->flags & UNINTERESTING) { - struct object *tmp = tree2; - tree2 = tree1; - tree1 = tmp; + SWAP(tree2, tree1); } diff_tree_sha1(tree1->oid.hash, tree2->oid.hash, @@ -166,9 +163,9 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) opt->diffopt.setup |= (DIFF_SETUP_USE_SIZE_CACHE | DIFF_SETUP_USE_CACHE); while (fgets(line, sizeof(line), stdin)) { - unsigned char sha1[20]; + struct object_id oid; - if (get_sha1_hex(line, sha1)) { + if (get_oid_hex(line, &oid)) { fputs(line, stdout); fflush(stdout); } diff --git a/builtin/diff.c b/builtin/diff.c index b7a9405..d184aaf 100644 --- a/builtin/diff.c +++ b/builtin/diff.c @@ -21,7 +21,7 @@ #define DIFF_NO_INDEX_IMPLICIT 2 struct blobinfo { - unsigned char sha1[20]; + struct object_id oid; const char *name; unsigned mode; }; @@ -31,26 +31,23 @@ static const char builtin_diff_usage[] = static void stuff_change(struct diff_options *opt, unsigned old_mode, unsigned new_mode, - const unsigned char *old_sha1, - const unsigned char *new_sha1, - int old_sha1_valid, - int new_sha1_valid, + const struct object_id *old_oid, + const struct object_id *new_oid, + int old_oid_valid, + int new_oid_valid, const char *old_name, const char *new_name) { struct diff_filespec *one, *two; - if (!is_null_sha1(old_sha1) && !is_null_sha1(new_sha1) && - !hashcmp(old_sha1, new_sha1) && (old_mode == new_mode)) + if (!is_null_oid(old_oid) && !is_null_oid(new_oid) && + !oidcmp(old_oid, new_oid) && (old_mode == new_mode)) return; if (DIFF_OPT_TST(opt, REVERSE_DIFF)) { - unsigned tmp; - const unsigned char *tmp_u; - const char *tmp_c; - tmp = old_mode; old_mode = new_mode; new_mode = tmp; - tmp_u = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_u; - tmp_c = old_name; old_name = new_name; new_name = tmp_c; + SWAP(old_mode, new_mode); + SWAP(old_oid, new_oid); + SWAP(old_name, new_name); } if (opt->prefix && @@ -60,8 +57,8 @@ static void stuff_change(struct diff_options *opt, one = alloc_filespec(old_name); two = alloc_filespec(new_name); - fill_filespec(one, old_sha1, old_sha1_valid, old_mode); - fill_filespec(two, new_sha1, new_sha1_valid, new_mode); + fill_filespec(one, old_oid->hash, old_oid_valid, old_mode); + fill_filespec(two, new_oid->hash, new_oid_valid, new_mode); diff_queue(&diff_queued_diff, one, two); } @@ -92,7 +89,7 @@ static int builtin_diff_b_f(struct rev_info *revs, stuff_change(&revs->diffopt, blob[0].mode, canon_mode(st.st_mode), - blob[0].sha1, null_sha1, + &blob[0].oid, &null_oid, 1, 0, path, path); diffcore_std(&revs->diffopt); @@ -117,7 +114,7 @@ static int builtin_diff_blobs(struct rev_info *revs, stuff_change(&revs->diffopt, blob[0].mode, blob[1].mode, - blob[0].sha1, blob[1].sha1, + &blob[0].oid, &blob[1].oid, 1, 1, blob[0].name, blob[1].name); diffcore_std(&revs->diffopt); @@ -163,7 +160,7 @@ static int builtin_diff_tree(struct rev_info *revs, struct object_array_entry *ent0, struct object_array_entry *ent1) { - const unsigned char *(sha1[2]); + const struct object_id *(oid[2]); int swap = 0; if (argc > 1) @@ -175,9 +172,9 @@ static int builtin_diff_tree(struct rev_info *revs, */ if (ent1->item->flags & UNINTERESTING) swap = 1; - sha1[swap] = ent0->item->oid.hash; - sha1[1 - swap] = ent1->item->oid.hash; - diff_tree_sha1(sha1[0], sha1[1], "", &revs->diffopt); + oid[swap] = &ent0->item->oid; + oid[1 - swap] = &ent1->item->oid; + diff_tree_sha1(oid[0]->hash, oid[1]->hash, "", &revs->diffopt); log_tree_diff_flush(revs); return 0; } @@ -187,7 +184,7 @@ static int builtin_diff_combined(struct rev_info *revs, struct object_array_entry *ent, int ents) { - struct sha1_array parents = SHA1_ARRAY_INIT; + struct oid_array parents = OID_ARRAY_INIT; int i; if (argc > 1) @@ -196,10 +193,10 @@ static int builtin_diff_combined(struct rev_info *revs, if (!revs->dense_combined_merges && !revs->combine_merges) revs->dense_combined_merges = revs->combine_merges = 1; for (i = 1; i < ents; i++) - sha1_array_append(&parents, ent[i].item->oid.hash); + oid_array_append(&parents, &ent[i].item->oid); diff_tree_combined(ent[0].item->oid.hash, &parents, revs->dense_combined_merges, revs); - sha1_array_clear(&parents); + oid_array_clear(&parents); return 0; } @@ -301,20 +298,21 @@ int cmd_diff(int argc, const char **argv, const char *prefix) break; } - if (!no_index) - prefix = setup_git_directory_gently(&nongit); + prefix = setup_git_directory_gently(&nongit); - /* - * Treat git diff with at least one path outside of the - * repo the same as if the command would have been executed - * outside of a git repository. In this case it behaves - * the same way as "git diff --no-index <a> <b>", which acts - * as a colourful "diff" replacement. - */ - if (nongit || ((argc == i + 2) && - (!path_inside_repo(prefix, argv[i]) || - !path_inside_repo(prefix, argv[i + 1])))) - no_index = DIFF_NO_INDEX_IMPLICIT; + if (!no_index) { + /* + * Treat git diff with at least one path outside of the + * repo the same as if the command would have been executed + * outside of a git repository. In this case it behaves + * the same way as "git diff --no-index <a> <b>", which acts + * as a colourful "diff" replacement. + */ + if (nongit || ((argc == i + 2) && + (!path_inside_repo(prefix, argv[i]) || + !path_inside_repo(prefix, argv[i + 1])))) + no_index = DIFF_NO_INDEX_IMPLICIT; + } if (!no_index) gitmodules_config(); @@ -410,7 +408,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) } else if (obj->type == OBJ_BLOB) { if (2 <= blobs) die(_("more than two blobs given: '%s'"), name); - hashcpy(blob[blobs].sha1, obj->oid.hash); + hashcpy(blob[blobs].oid.hash, obj->oid.hash); blob[blobs].name = name; blob[blobs].mode = entry->mode; blobs++; diff --git a/builtin/difftool.c b/builtin/difftool.c new file mode 100644 index 0000000..1354d0e --- /dev/null +++ b/builtin/difftool.c @@ -0,0 +1,735 @@ +/* + * "git difftool" builtin command + * + * This is a wrapper around the GIT_EXTERNAL_DIFF-compatible + * git-difftool--helper script. + * + * This script exports GIT_EXTERNAL_DIFF and GIT_PAGER for use by git. + * The GIT_DIFF* variables are exported for use by git-difftool--helper. + * + * Any arguments that are unknown to this script are forwarded to 'git diff'. + * + * Copyright (C) 2016 Johannes Schindelin + */ +#include "cache.h" +#include "builtin.h" +#include "run-command.h" +#include "exec_cmd.h" +#include "parse-options.h" +#include "argv-array.h" +#include "strbuf.h" +#include "lockfile.h" +#include "dir.h" + +static char *diff_gui_tool; +static int trust_exit_code; + +static const char *const builtin_difftool_usage[] = { + N_("git difftool [<options>] [<commit> [<commit>]] [--] [<path>...]"), + NULL +}; + +static int difftool_config(const char *var, const char *value, void *cb) +{ + if (!strcmp(var, "diff.guitool")) { + diff_gui_tool = xstrdup(value); + return 0; + } + + if (!strcmp(var, "difftool.trustexitcode")) { + trust_exit_code = git_config_bool(var, value); + return 0; + } + + return git_default_config(var, value, cb); +} + +static int print_tool_help(void) +{ + const char *argv[] = { "mergetool", "--tool-help=diff", NULL }; + return run_command_v_opt(argv, RUN_GIT_CMD); +} + +static int parse_index_info(char *p, int *mode1, int *mode2, + struct object_id *oid1, struct object_id *oid2, + char *status) +{ + if (*p != ':') + return error("expected ':', got '%c'", *p); + *mode1 = (int)strtol(p + 1, &p, 8); + if (*p != ' ') + return error("expected ' ', got '%c'", *p); + *mode2 = (int)strtol(p + 1, &p, 8); + if (*p != ' ') + return error("expected ' ', got '%c'", *p); + if (get_oid_hex(++p, oid1)) + return error("expected object ID, got '%s'", p + 1); + p += GIT_SHA1_HEXSZ; + if (*p != ' ') + return error("expected ' ', got '%c'", *p); + if (get_oid_hex(++p, oid2)) + return error("expected object ID, got '%s'", p + 1); + p += GIT_SHA1_HEXSZ; + if (*p != ' ') + return error("expected ' ', got '%c'", *p); + *status = *++p; + if (!*status) + return error("missing status"); + if (p[1] && !isdigit(p[1])) + return error("unexpected trailer: '%s'", p + 1); + return 0; +} + +/* + * Remove any trailing slash from $workdir + * before starting to avoid double slashes in symlink targets. + */ +static void add_path(struct strbuf *buf, size_t base_len, const char *path) +{ + strbuf_setlen(buf, base_len); + if (buf->len && buf->buf[buf->len - 1] != '/') + strbuf_addch(buf, '/'); + strbuf_addstr(buf, path); +} + +/* + * Determine whether we can simply reuse the file in the worktree. + */ +static int use_wt_file(const char *workdir, const char *name, + struct object_id *oid) +{ + struct strbuf buf = STRBUF_INIT; + struct stat st; + int use = 0; + + strbuf_addstr(&buf, workdir); + add_path(&buf, buf.len, name); + + if (!lstat(buf.buf, &st) && !S_ISLNK(st.st_mode)) { + struct object_id wt_oid; + int fd = open(buf.buf, O_RDONLY); + + if (fd >= 0 && + !index_fd(wt_oid.hash, fd, &st, OBJ_BLOB, name, 0)) { + if (is_null_oid(oid)) { + oidcpy(oid, &wt_oid); + use = 1; + } else if (!oidcmp(oid, &wt_oid)) + use = 1; + } + } + + strbuf_release(&buf); + + return use; +} + +struct working_tree_entry { + struct hashmap_entry entry; + char path[FLEX_ARRAY]; +}; + +static int working_tree_entry_cmp(struct working_tree_entry *a, + struct working_tree_entry *b, void *keydata) +{ + return strcmp(a->path, b->path); +} + +/* + * The `left` and `right` entries hold paths for the symlinks hashmap, + * and a SHA-1 surrounded by brief text for submodules. + */ +struct pair_entry { + struct hashmap_entry entry; + char left[PATH_MAX], right[PATH_MAX]; + const char path[FLEX_ARRAY]; +}; + +static int pair_cmp(struct pair_entry *a, struct pair_entry *b, void *keydata) +{ + return strcmp(a->path, b->path); +} + +static void add_left_or_right(struct hashmap *map, const char *path, + const char *content, int is_right) +{ + struct pair_entry *e, *existing; + + FLEX_ALLOC_STR(e, path, path); + hashmap_entry_init(e, strhash(path)); + existing = hashmap_get(map, e, NULL); + if (existing) { + free(e); + e = existing; + } else { + e->left[0] = e->right[0] = '\0'; + hashmap_add(map, e); + } + strlcpy(is_right ? e->right : e->left, content, PATH_MAX); +} + +struct path_entry { + struct hashmap_entry entry; + char path[FLEX_ARRAY]; +}; + +static int path_entry_cmp(struct path_entry *a, struct path_entry *b, void *key) +{ + return strcmp(a->path, key ? key : b->path); +} + +static void changed_files(struct hashmap *result, const char *index_path, + const char *workdir) +{ + struct child_process update_index = CHILD_PROCESS_INIT; + struct child_process diff_files = CHILD_PROCESS_INIT; + struct strbuf index_env = STRBUF_INIT, buf = STRBUF_INIT; + const char *git_dir = absolute_path(get_git_dir()), *env[] = { + NULL, NULL + }; + FILE *fp; + + strbuf_addf(&index_env, "GIT_INDEX_FILE=%s", index_path); + env[0] = index_env.buf; + + argv_array_pushl(&update_index.args, + "--git-dir", git_dir, "--work-tree", workdir, + "update-index", "--really-refresh", "-q", + "--unmerged", NULL); + update_index.no_stdin = 1; + update_index.no_stdout = 1; + update_index.no_stderr = 1; + update_index.git_cmd = 1; + update_index.use_shell = 0; + update_index.clean_on_exit = 1; + update_index.dir = workdir; + update_index.env = env; + /* Ignore any errors of update-index */ + run_command(&update_index); + + argv_array_pushl(&diff_files.args, + "--git-dir", git_dir, "--work-tree", workdir, + "diff-files", "--name-only", "-z", NULL); + diff_files.no_stdin = 1; + diff_files.git_cmd = 1; + diff_files.use_shell = 0; + diff_files.clean_on_exit = 1; + diff_files.out = -1; + diff_files.dir = workdir; + diff_files.env = env; + if (start_command(&diff_files)) + die("could not obtain raw diff"); + fp = xfdopen(diff_files.out, "r"); + while (!strbuf_getline_nul(&buf, fp)) { + struct path_entry *entry; + FLEX_ALLOC_STR(entry, path, buf.buf); + hashmap_entry_init(entry, strhash(buf.buf)); + hashmap_add(result, entry); + } + if (finish_command(&diff_files)) + die("diff-files did not exit properly"); + strbuf_release(&index_env); + strbuf_release(&buf); +} + +static NORETURN void exit_cleanup(const char *tmpdir, int exit_code) +{ + struct strbuf buf = STRBUF_INIT; + strbuf_addstr(&buf, tmpdir); + remove_dir_recursively(&buf, 0); + if (exit_code) + warning(_("failed: %d"), exit_code); + exit(exit_code); +} + +static int ensure_leading_directories(char *path) +{ + switch (safe_create_leading_directories(path)) { + case SCLD_OK: + case SCLD_EXISTS: + return 0; + default: + return error(_("could not create leading directories " + "of '%s'"), path); + } +} + +/* + * Unconditional writing of a plain regular file is what + * "git difftool --dir-diff" wants to do for symlinks. We are preparing two + * temporary directories to be fed to a Git-unaware tool that knows how to + * show a diff of two directories (e.g. "diff -r A B"). + * + * Because the tool is Git-unaware, if a symbolic link appears in either of + * these temporary directories, it will try to dereference and show the + * difference of the target of the symbolic link, which is not what we want, + * as the goal of the dir-diff mode is to produce an output that is logically + * equivalent to what "git diff" produces. + * + * Most importantly, we want to get textual comparison of the result of the + * readlink(2). get_symlink() provides that---it returns the contents of + * the symlink that gets written to a regular file to force the external tool + * to compare the readlink(2) result as text, even on a filesystem that is + * capable of doing a symbolic link. + */ +static char *get_symlink(const struct object_id *oid, const char *path) +{ + char *data; + if (is_null_oid(oid)) { + /* The symlink is unknown to Git so read from the filesystem */ + struct strbuf link = STRBUF_INIT; + if (has_symlinks) { + if (strbuf_readlink(&link, path, strlen(path))) + die(_("could not read symlink %s"), path); + } else if (strbuf_read_file(&link, path, 128)) + die(_("could not read symlink file %s"), path); + + data = strbuf_detach(&link, NULL); + } else { + enum object_type type; + unsigned long size; + data = read_sha1_file(oid->hash, &type, &size); + if (!data) + die(_("could not read object %s for symlink %s"), + oid_to_hex(oid), path); + } + + return data; +} + +static int checkout_path(unsigned mode, struct object_id *oid, + const char *path, const struct checkout *state) +{ + struct cache_entry *ce; + int ret; + + ce = make_cache_entry(mode, oid->hash, path, 0, 0); + ret = checkout_entry(ce, state, NULL); + + free(ce); + return ret; +} + +static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, + int argc, const char **argv) +{ + char tmpdir[PATH_MAX]; + struct strbuf info = STRBUF_INIT, lpath = STRBUF_INIT; + struct strbuf rpath = STRBUF_INIT, buf = STRBUF_INIT; + struct strbuf ldir = STRBUF_INIT, rdir = STRBUF_INIT; + struct strbuf wtdir = STRBUF_INIT; + char *lbase_dir, *rbase_dir; + size_t ldir_len, rdir_len, wtdir_len; + const char *workdir, *tmp; + int ret = 0, i; + FILE *fp; + struct hashmap working_tree_dups, submodules, symlinks2; + struct hashmap_iter iter; + struct pair_entry *entry; + struct index_state wtindex; + struct checkout lstate, rstate; + int rc, flags = RUN_GIT_CMD, err = 0; + struct child_process child = CHILD_PROCESS_INIT; + const char *helper_argv[] = { "difftool--helper", NULL, NULL, NULL }; + struct hashmap wt_modified, tmp_modified; + int indices_loaded = 0; + + workdir = get_git_work_tree(); + + /* Setup temp directories */ + tmp = getenv("TMPDIR"); + xsnprintf(tmpdir, sizeof(tmpdir), "%s/git-difftool.XXXXXX", tmp ? tmp : "/tmp"); + if (!mkdtemp(tmpdir)) + return error("could not create '%s'", tmpdir); + strbuf_addf(&ldir, "%s/left/", tmpdir); + strbuf_addf(&rdir, "%s/right/", tmpdir); + strbuf_addstr(&wtdir, workdir); + if (!wtdir.len || !is_dir_sep(wtdir.buf[wtdir.len - 1])) + strbuf_addch(&wtdir, '/'); + mkdir(ldir.buf, 0700); + mkdir(rdir.buf, 0700); + + memset(&wtindex, 0, sizeof(wtindex)); + + memset(&lstate, 0, sizeof(lstate)); + lstate.base_dir = lbase_dir = xstrdup(ldir.buf); + lstate.base_dir_len = ldir.len; + lstate.force = 1; + memset(&rstate, 0, sizeof(rstate)); + rstate.base_dir = rbase_dir = xstrdup(rdir.buf); + rstate.base_dir_len = rdir.len; + rstate.force = 1; + + ldir_len = ldir.len; + rdir_len = rdir.len; + wtdir_len = wtdir.len; + + hashmap_init(&working_tree_dups, + (hashmap_cmp_fn)working_tree_entry_cmp, 0); + hashmap_init(&submodules, (hashmap_cmp_fn)pair_cmp, 0); + hashmap_init(&symlinks2, (hashmap_cmp_fn)pair_cmp, 0); + + child.no_stdin = 1; + child.git_cmd = 1; + child.use_shell = 0; + child.clean_on_exit = 1; + child.dir = prefix; + child.out = -1; + argv_array_pushl(&child.args, "diff", "--raw", "--no-abbrev", "-z", + NULL); + for (i = 0; i < argc; i++) + argv_array_push(&child.args, argv[i]); + if (start_command(&child)) + die("could not obtain raw diff"); + fp = xfdopen(child.out, "r"); + + /* Build index info for left and right sides of the diff */ + i = 0; + while (!strbuf_getline_nul(&info, fp)) { + int lmode, rmode; + struct object_id loid, roid; + char status; + const char *src_path, *dst_path; + + if (starts_with(info.buf, "::")) + die(N_("combined diff formats('-c' and '--cc') are " + "not supported in\n" + "directory diff mode('-d' and '--dir-diff').")); + + if (parse_index_info(info.buf, &lmode, &rmode, &loid, &roid, + &status)) + break; + if (strbuf_getline_nul(&lpath, fp)) + break; + src_path = lpath.buf; + + i++; + if (status != 'C' && status != 'R') { + dst_path = src_path; + } else { + if (strbuf_getline_nul(&rpath, fp)) + break; + dst_path = rpath.buf; + } + + if (S_ISGITLINK(lmode) || S_ISGITLINK(rmode)) { + strbuf_reset(&buf); + strbuf_addf(&buf, "Subproject commit %s", + oid_to_hex(&loid)); + add_left_or_right(&submodules, src_path, buf.buf, 0); + strbuf_reset(&buf); + strbuf_addf(&buf, "Subproject commit %s", + oid_to_hex(&roid)); + if (!oidcmp(&loid, &roid)) + strbuf_addstr(&buf, "-dirty"); + add_left_or_right(&submodules, dst_path, buf.buf, 1); + continue; + } + + if (S_ISLNK(lmode)) { + char *content = get_symlink(&loid, src_path); + add_left_or_right(&symlinks2, src_path, content, 0); + free(content); + } + + if (S_ISLNK(rmode)) { + char *content = get_symlink(&roid, dst_path); + add_left_or_right(&symlinks2, dst_path, content, 1); + free(content); + } + + if (lmode && status != 'C') { + if (checkout_path(lmode, &loid, src_path, &lstate)) + return error("could not write '%s'", src_path); + } + + if (rmode && !S_ISLNK(rmode)) { + struct working_tree_entry *entry; + + /* Avoid duplicate working_tree entries */ + FLEX_ALLOC_STR(entry, path, dst_path); + hashmap_entry_init(entry, strhash(dst_path)); + if (hashmap_get(&working_tree_dups, entry, NULL)) { + free(entry); + continue; + } + hashmap_add(&working_tree_dups, entry); + + if (!use_wt_file(workdir, dst_path, &roid)) { + if (checkout_path(rmode, &roid, dst_path, &rstate)) + return error("could not write '%s'", + dst_path); + } else if (!is_null_oid(&roid)) { + /* + * Changes in the working tree need special + * treatment since they are not part of the + * index. + */ + struct cache_entry *ce2 = + make_cache_entry(rmode, roid.hash, + dst_path, 0, 0); + + add_index_entry(&wtindex, ce2, + ADD_CACHE_JUST_APPEND); + + add_path(&rdir, rdir_len, dst_path); + if (ensure_leading_directories(rdir.buf)) + return error("could not create " + "directory for '%s'", + dst_path); + add_path(&wtdir, wtdir_len, dst_path); + if (symlinks) { + if (symlink(wtdir.buf, rdir.buf)) { + ret = error_errno("could not symlink '%s' to '%s'", wtdir.buf, rdir.buf); + goto finish; + } + } else { + struct stat st; + if (stat(wtdir.buf, &st)) + st.st_mode = 0644; + if (copy_file(rdir.buf, wtdir.buf, + st.st_mode)) { + ret = error("could not copy '%s' to '%s'", wtdir.buf, rdir.buf); + goto finish; + } + } + } + } + } + + if (finish_command(&child)) { + ret = error("error occurred running diff --raw"); + goto finish; + } + + if (!i) + return 0; + + /* + * Changes to submodules require special treatment.This loop writes a + * temporary file to both the left and right directories to show the + * change in the recorded SHA1 for the submodule. + */ + hashmap_iter_init(&submodules, &iter); + while ((entry = hashmap_iter_next(&iter))) { + if (*entry->left) { + add_path(&ldir, ldir_len, entry->path); + ensure_leading_directories(ldir.buf); + write_file(ldir.buf, "%s", entry->left); + } + if (*entry->right) { + add_path(&rdir, rdir_len, entry->path); + ensure_leading_directories(rdir.buf); + write_file(rdir.buf, "%s", entry->right); + } + } + + /* + * Symbolic links require special treatment.The standard "git diff" + * shows only the link itself, not the contents of the link target. + * This loop replicates that behavior. + */ + hashmap_iter_init(&symlinks2, &iter); + while ((entry = hashmap_iter_next(&iter))) { + if (*entry->left) { + add_path(&ldir, ldir_len, entry->path); + ensure_leading_directories(ldir.buf); + write_file(ldir.buf, "%s", entry->left); + } + if (*entry->right) { + add_path(&rdir, rdir_len, entry->path); + ensure_leading_directories(rdir.buf); + write_file(rdir.buf, "%s", entry->right); + } + } + + strbuf_release(&buf); + + strbuf_setlen(&ldir, ldir_len); + helper_argv[1] = ldir.buf; + strbuf_setlen(&rdir, rdir_len); + helper_argv[2] = rdir.buf; + + if (extcmd) { + helper_argv[0] = extcmd; + flags = 0; + } else + setenv("GIT_DIFFTOOL_DIRDIFF", "true", 1); + rc = run_command_v_opt(helper_argv, flags); + + /* + * If the diff includes working copy files and those + * files were modified during the diff, then the changes + * should be copied back to the working tree. + * Do not copy back files when symlinks are used and the + * external tool did not replace the original link with a file. + * + * These hashes are loaded lazily since they aren't needed + * in the common case of --symlinks and the difftool updating + * files through the symlink. + */ + hashmap_init(&wt_modified, (hashmap_cmp_fn)path_entry_cmp, + wtindex.cache_nr); + hashmap_init(&tmp_modified, (hashmap_cmp_fn)path_entry_cmp, + wtindex.cache_nr); + + for (i = 0; i < wtindex.cache_nr; i++) { + struct hashmap_entry dummy; + const char *name = wtindex.cache[i]->name; + struct stat st; + + add_path(&rdir, rdir_len, name); + if (lstat(rdir.buf, &st)) + continue; + + if ((symlinks && S_ISLNK(st.st_mode)) || !S_ISREG(st.st_mode)) + continue; + + if (!indices_loaded) { + static struct lock_file lock; + strbuf_reset(&buf); + strbuf_addf(&buf, "%s/wtindex", tmpdir); + if (hold_lock_file_for_update(&lock, buf.buf, 0) < 0 || + write_locked_index(&wtindex, &lock, COMMIT_LOCK)) { + ret = error("could not write %s", buf.buf); + rollback_lock_file(&lock); + goto finish; + } + changed_files(&wt_modified, buf.buf, workdir); + strbuf_setlen(&rdir, rdir_len); + changed_files(&tmp_modified, buf.buf, rdir.buf); + add_path(&rdir, rdir_len, name); + indices_loaded = 1; + } + + hashmap_entry_init(&dummy, strhash(name)); + if (hashmap_get(&tmp_modified, &dummy, name)) { + add_path(&wtdir, wtdir_len, name); + if (hashmap_get(&wt_modified, &dummy, name)) { + warning(_("both files modified: '%s' and '%s'."), + wtdir.buf, rdir.buf); + warning(_("working tree file has been left.")); + warning("%s", ""); + err = 1; + } else if (unlink(wtdir.buf) || + copy_file(wtdir.buf, rdir.buf, st.st_mode)) + warning_errno(_("could not copy '%s' to '%s'"), + rdir.buf, wtdir.buf); + } + } + + if (err) { + warning(_("temporary files exist in '%s'."), tmpdir); + warning(_("you may want to cleanup or recover these.")); + exit(1); + } else + exit_cleanup(tmpdir, rc); + +finish: + free(lbase_dir); + free(rbase_dir); + strbuf_release(&ldir); + strbuf_release(&rdir); + strbuf_release(&wtdir); + strbuf_release(&buf); + + return ret; +} + +static int run_file_diff(int prompt, const char *prefix, + int argc, const char **argv) +{ + struct argv_array args = ARGV_ARRAY_INIT; + const char *env[] = { + "GIT_PAGER=", "GIT_EXTERNAL_DIFF=git-difftool--helper", NULL, + NULL + }; + int ret = 0, i; + + if (prompt > 0) + env[2] = "GIT_DIFFTOOL_PROMPT=true"; + else if (!prompt) + env[2] = "GIT_DIFFTOOL_NO_PROMPT=true"; + + + argv_array_push(&args, "diff"); + for (i = 0; i < argc; i++) + argv_array_push(&args, argv[i]); + ret = run_command_v_opt_cd_env(args.argv, RUN_GIT_CMD, prefix, env); + exit(ret); +} + +int cmd_difftool(int argc, const char **argv, const char *prefix) +{ + int use_gui_tool = 0, dir_diff = 0, prompt = -1, symlinks = 0, + tool_help = 0; + static char *difftool_cmd = NULL, *extcmd = NULL; + struct option builtin_difftool_options[] = { + OPT_BOOL('g', "gui", &use_gui_tool, + N_("use `diff.guitool` instead of `diff.tool`")), + OPT_BOOL('d', "dir-diff", &dir_diff, + N_("perform a full-directory diff")), + { OPTION_SET_INT, 'y', "no-prompt", &prompt, NULL, + N_("do not prompt before launching a diff tool"), + PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 0}, + { OPTION_SET_INT, 0, "prompt", &prompt, NULL, NULL, + PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_HIDDEN, + NULL, 1 }, + OPT_BOOL(0, "symlinks", &symlinks, + N_("use symlinks in dir-diff mode")), + OPT_STRING('t', "tool", &difftool_cmd, N_("<tool>"), + N_("use the specified diff tool")), + OPT_BOOL(0, "tool-help", &tool_help, + N_("print a list of diff tools that may be used with " + "`--tool`")), + OPT_BOOL(0, "trust-exit-code", &trust_exit_code, + N_("make 'git-difftool' exit when an invoked diff " + "tool returns a non - zero exit code")), + OPT_STRING('x', "extcmd", &extcmd, N_("<command>"), + N_("specify a custom command for viewing diffs")), + OPT_END() + }; + + git_config(difftool_config, NULL); + symlinks = has_symlinks; + + argc = parse_options(argc, argv, prefix, builtin_difftool_options, + builtin_difftool_usage, PARSE_OPT_KEEP_UNKNOWN | + PARSE_OPT_KEEP_DASHDASH); + + if (tool_help) + return print_tool_help(); + + /* NEEDSWORK: once we no longer spawn anything, remove this */ + setenv(GIT_DIR_ENVIRONMENT, absolute_path(get_git_dir()), 1); + setenv(GIT_WORK_TREE_ENVIRONMENT, absolute_path(get_git_work_tree()), 1); + + if (use_gui_tool && diff_gui_tool && *diff_gui_tool) + setenv("GIT_DIFF_TOOL", diff_gui_tool, 1); + else if (difftool_cmd) { + if (*difftool_cmd) + setenv("GIT_DIFF_TOOL", difftool_cmd, 1); + else + die(_("no <tool> given for --tool=<tool>")); + } + + if (extcmd) { + if (*extcmd) + setenv("GIT_DIFFTOOL_EXTCMD", extcmd, 1); + else + die(_("no <cmd> given for --extcmd=<cmd>")); + } + + setenv("GIT_DIFFTOOL_TRUST_EXIT_CODE", + trust_exit_code ? "true" : "false", 1); + + /* + * In directory diff mode, 'git-difftool--helper' is called once + * to compare the a / b directories. In file diff mode, 'git diff' + * will invoke a separate instance of 'git-difftool--helper' for + * each file that changed. + */ + if (dir_diff) + return run_dir_diff(extcmd, symlinks, prefix, argc, argv); + return run_file_diff(prompt, prefix, argc, argv); +} diff --git a/builtin/fast-export.c b/builtin/fast-export.c index c0652a7..e022063 100644 --- a/builtin/fast-export.c +++ b/builtin/fast-export.c @@ -212,7 +212,7 @@ static char *anonymize_blob(unsigned long *size) return strbuf_detach(&out, NULL); } -static void export_blob(const unsigned char *sha1) +static void export_blob(const struct object_id *oid) { unsigned long size; enum object_type type; @@ -223,34 +223,34 @@ static void export_blob(const unsigned char *sha1) if (no_data) return; - if (is_null_sha1(sha1)) + if (is_null_oid(oid)) return; - object = lookup_object(sha1); + object = lookup_object(oid->hash); if (object && object->flags & SHOWN) return; if (anonymize) { buf = anonymize_blob(&size); - object = (struct object *)lookup_blob(sha1); + object = (struct object *)lookup_blob(oid->hash); eaten = 0; } else { - buf = read_sha1_file(sha1, &type, &size); + buf = read_sha1_file(oid->hash, &type, &size); if (!buf) - die ("Could not read blob %s", sha1_to_hex(sha1)); - if (check_sha1_signature(sha1, buf, size, typename(type)) < 0) - die("sha1 mismatch in blob %s", sha1_to_hex(sha1)); - object = parse_object_buffer(sha1, type, size, buf, &eaten); + die ("Could not read blob %s", oid_to_hex(oid)); + if (check_sha1_signature(oid->hash, buf, size, typename(type)) < 0) + die("sha1 mismatch in blob %s", oid_to_hex(oid)); + object = parse_object_buffer(oid->hash, type, size, buf, &eaten); } if (!object) - die("Could not read blob %s", sha1_to_hex(sha1)); + die("Could not read blob %s", oid_to_hex(oid)); mark_next_object(object); printf("blob\nmark :%"PRIu32"\ndata %lu\n", last_idnum, size); if (size && fwrite(buf, size, 1, stdout) != 1) - die_errno ("Could not write blob '%s'", sha1_to_hex(sha1)); + die_errno ("Could not write blob '%s'", oid_to_hex(oid)); printf("\n"); show_progress(); @@ -323,19 +323,19 @@ static void print_path(const char *path) } } -static void *generate_fake_sha1(const void *old, size_t *len) +static void *generate_fake_oid(const void *old, size_t *len) { static uint32_t counter = 1; /* avoid null sha1 */ - unsigned char *out = xcalloc(20, 1); - put_be32(out + 16, counter++); + unsigned char *out = xcalloc(GIT_SHA1_RAWSZ, 1); + put_be32(out + GIT_SHA1_RAWSZ - 4, counter++); return out; } -static const unsigned char *anonymize_sha1(const unsigned char *sha1) +static const unsigned char *anonymize_sha1(const struct object_id *oid) { static struct hashmap sha1s; - size_t len = 20; - return anonymize_mem(&sha1s, generate_fake_sha1, sha1, &len); + size_t len = GIT_SHA1_RAWSZ; + return anonymize_mem(&sha1s, generate_fake_oid, oid, &len); } static void show_filemodify(struct diff_queue_struct *q, @@ -347,7 +347,7 @@ static void show_filemodify(struct diff_queue_struct *q, * Handle files below a directory first, in case they are all deleted * and the directory changes to a file or symlink. */ - qsort(q->queue, q->nr, sizeof(q->queue[0]), depth_first); + QSORT(q->queue, q->nr, depth_first); for (i = 0; i < q->nr; i++) { struct diff_filespec *ospec = q->queue[i]->one; @@ -383,7 +383,7 @@ static void show_filemodify(struct diff_queue_struct *q, if (no_data || S_ISGITLINK(spec->mode)) printf("M %06o %s ", spec->mode, sha1_to_hex(anonymize ? - anonymize_sha1(spec->oid.hash) : + anonymize_sha1(&spec->oid) : spec->oid.hash)); else { struct object *object = lookup_object(spec->oid.hash); @@ -572,7 +572,7 @@ static void handle_commit(struct commit *commit, struct rev_info *rev) /* Export the referenced blobs, and remember the marks. */ for (i = 0; i < diff_queued_diff.nr; i++) if (!S_ISGITLINK(diff_queued_diff.queue[i]->two->mode)) - export_blob(diff_queued_diff.queue[i]->two->oid.hash); + export_blob(&diff_queued_diff.queue[i]->two->oid); refname = commit->util; if (anonymize) { @@ -797,14 +797,14 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info) for (i = 0; i < info->nr; i++) { struct rev_cmdline_entry *e = info->rev + i; - unsigned char sha1[20]; + struct object_id oid; struct commit *commit; char *full_name; if (e->flags & UNINTERESTING) continue; - if (dwim_ref(e->name, strlen(e->name), sha1, &full_name) != 1) + if (dwim_ref(e->name, strlen(e->name), oid.hash, &full_name) != 1) continue; if (refspecs) { @@ -828,7 +828,7 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info) case OBJ_COMMIT: break; case OBJ_BLOB: - export_blob(commit->object.oid.hash); + export_blob(&commit->object.oid); continue; default: /* OBJ_TAG (nested tags) is already handled */ warning("Tag points to object of unexpected type %s, skipping.", @@ -912,7 +912,7 @@ static void import_marks(char *input_file) while (fgets(line, sizeof(line), f)) { uint32_t mark; char *line_end, *mark_end; - unsigned char sha1[20]; + struct object_id oid; struct object *object; struct commit *commit; enum object_type type; @@ -924,28 +924,28 @@ static void import_marks(char *input_file) mark = strtoumax(line + 1, &mark_end, 10); if (!mark || mark_end == line + 1 - || *mark_end != ' ' || get_sha1_hex(mark_end + 1, sha1)) + || *mark_end != ' ' || get_oid_hex(mark_end + 1, &oid)) die("corrupt mark line: %s", line); if (last_idnum < mark) last_idnum = mark; - type = sha1_object_info(sha1, NULL); + type = sha1_object_info(oid.hash, NULL); if (type < 0) - die("object not found: %s", sha1_to_hex(sha1)); + die("object not found: %s", oid_to_hex(&oid)); if (type != OBJ_COMMIT) /* only commits */ continue; - commit = lookup_commit(sha1); + commit = lookup_commit(oid.hash); if (!commit) - die("not a commit? can't happen: %s", sha1_to_hex(sha1)); + die("not a commit? can't happen: %s", oid_to_hex(&oid)); object = &commit->object; if (object->flags & SHOWN) - error("Object %s already has a mark", sha1_to_hex(sha1)); + error("Object %s already has a mark", oid_to_hex(&oid)); mark_object(object, mark); diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c index bfd0be4..366b9d1 100644 --- a/builtin/fetch-pack.c +++ b/builtin/fetch-pack.c @@ -50,7 +50,8 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) char **pack_lockfile_ptr = NULL; struct child_process *conn; struct fetch_pack_args args; - struct sha1_array shallow = SHA1_ARRAY_INIT; + struct oid_array shallow = OID_ARRAY_INIT; + struct string_list deepen_not = STRING_LIST_INIT_DUP; packet_trace_identity("fetch-pack"); @@ -60,12 +61,12 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) for (i = 1; i < argc && *argv[i] == '-'; i++) { const char *arg = argv[i]; - if (starts_with(arg, "--upload-pack=")) { - args.uploadpack = arg + 14; + if (skip_prefix(arg, "--upload-pack=", &arg)) { + args.uploadpack = arg; continue; } - if (starts_with(arg, "--exec=")) { - args.uploadpack = arg + 7; + if (skip_prefix(arg, "--exec=", &arg)) { + args.uploadpack = arg; continue; } if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) { @@ -101,8 +102,20 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) args.verbose = 1; continue; } - if (starts_with(arg, "--depth=")) { - args.depth = strtol(arg + 8, NULL, 0); + if (skip_prefix(arg, "--depth=", &arg)) { + args.depth = strtol(arg, NULL, 0); + continue; + } + if (skip_prefix(arg, "--shallow-since=", &arg)) { + args.deepen_since = xstrdup(arg); + continue; + } + if (skip_prefix(arg, "--shallow-exclude=", &arg)) { + string_list_append(&deepen_not, arg); + continue; + } + if (!strcmp(arg, "--deepen-relative")) { + args.deepen_relative = 1; continue; } if (!strcmp("--no-progress", arg)) { @@ -132,6 +145,8 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) } usage(fetch_pack_usage); } + if (deepen_not.nr) + args.deepen_not = &deepen_not; if (i < argc) dest = argv[i++]; @@ -204,12 +219,7 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) * remote no-such-ref' would silently succeed without issuing * an error. */ - for (i = 0; i < nr_sought; i++) { - if (!sought[i] || sought[i]->matched) - continue; - error("no such remote ref %s", sought[i]->name); - ret = 1; - } + ret |= report_unmatched_refs(sought, nr_sought); while (ref) { printf("%s %s\n", diff --git a/builtin/fetch.c b/builtin/fetch.c index cd7e3ce..5f2c2ab 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -35,13 +35,15 @@ static int fetch_prune_config = -1; /* unspecified */ static int prune = -1; /* unspecified */ #define PRUNE_BY_DEFAULT 0 /* do we prune by default? */ -static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity; +static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity, deepen_relative; static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT; -static int tags = TAGS_DEFAULT, unshallow, update_shallow; +static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen; static int max_children = -1; static enum transport_family family; static const char *depth; +static const char *deepen_since; static const char *upload_pack; +static struct string_list deepen_not = STRING_LIST_INIT_NODUP; static struct strbuf default_rla = STRBUF_INIT; static struct transport *gtransport; static struct transport *gsecondary; @@ -117,6 +119,12 @@ static struct option builtin_fetch_options[] = { OPT_BOOL(0, "progress", &progress, N_("force progress reporting")), OPT_STRING(0, "depth", &depth, N_("depth"), N_("deepen history of shallow clone")), + OPT_STRING(0, "shallow-since", &deepen_since, N_("time"), + N_("deepen history of shallow repository based on time")), + OPT_STRING_LIST(0, "shallow-exclude", &deepen_not, N_("revision"), + N_("deepen history of shallow clone, excluding rev")), + OPT_INTEGER(0, "deepen", &deepen_relative, + N_("deepen history of shallow clone")), { OPTION_SET_INT, 0, "unshallow", &unshallow, NULL, N_("convert to a complete repository"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, NULL, 1 }, @@ -351,9 +359,6 @@ static struct ref *get_ref_map(struct transport *transport, for (i = 0; i < fetch_refspec_nr; i++) get_fetch_map(ref_map, &fetch_refspec[i], &oref_tail, 1); - - if (tags == TAGS_SET) - get_fetch_map(remote_refs, tag_refspec, &tail, 0); } else if (refmap_array) { die("--refmap option is only meaningful with command-line refspec(s)."); } else { @@ -416,7 +421,7 @@ static int s_update_ref(const char *action, struct ref *ref, int check_old) { - char msg[1024]; + char *msg; char *rla = getenv("GIT_REFLOG_ACTION"); struct ref_transaction *transaction; struct strbuf err = STRBUF_INIT; @@ -426,7 +431,7 @@ static int s_update_ref(const char *action, return 0; if (!rla) rla = default_rla.buf; - snprintf(msg, sizeof(msg), "%s: %s", rla, action); + msg = xstrfmt("%s: %s", rla, action); transaction = ref_transaction_begin(&err); if (!transaction || @@ -444,11 +449,13 @@ static int s_update_ref(const char *action, ref_transaction_free(transaction); strbuf_release(&err); + free(msg); return 0; fail: ref_transaction_free(transaction); error("%s", err.buf); strbuf_release(&err); + free(msg); return df_conflict ? STORE_REF_ERROR_DF_CONFLICT : STORE_REF_ERROR_OTHER; } @@ -569,9 +576,12 @@ static void print_compact(struct strbuf *display, static void format_display(struct strbuf *display, char code, const char *summary, const char *error, - const char *remote, const char *local) + const char *remote, const char *local, + int summary_width) { - strbuf_addf(display, "%c %-*s ", code, TRANSPORT_SUMMARY(summary)); + int width = (summary_width + strlen(summary) - gettext_width(summary)); + + strbuf_addf(display, "%c %-*s ", code, width, summary); if (!compact_format) print_remote_to_local(display, remote, local); else @@ -583,7 +593,8 @@ static void format_display(struct strbuf *display, char code, static int update_local_ref(struct ref *ref, const char *remote, const struct ref *remote_ref, - struct strbuf *display) + struct strbuf *display, + int summary_width) { struct commit *current = NULL, *updated; enum object_type type; @@ -597,7 +608,7 @@ static int update_local_ref(struct ref *ref, if (!oidcmp(&ref->old_oid, &ref->new_oid)) { if (verbosity > 0) format_display(display, '=', _("[up to date]"), NULL, - remote, pretty_ref); + remote, pretty_ref, summary_width); return 0; } @@ -611,7 +622,7 @@ static int update_local_ref(struct ref *ref, */ format_display(display, '!', _("[rejected]"), _("can't fetch in current branch"), - remote, pretty_ref); + remote, pretty_ref, summary_width); return 1; } @@ -621,7 +632,7 @@ static int update_local_ref(struct ref *ref, r = s_update_ref("updating tag", ref, 0); format_display(display, r ? '!' : 't', _("[tag update]"), r ? _("unable to update local ref") : NULL, - remote, pretty_ref); + remote, pretty_ref, summary_width); return r; } @@ -650,11 +661,11 @@ static int update_local_ref(struct ref *ref, if ((recurse_submodules != RECURSE_SUBMODULES_OFF) && (recurse_submodules != RECURSE_SUBMODULES_ON)) - check_for_new_submodule_commits(ref->new_oid.hash); + check_for_new_submodule_commits(&ref->new_oid); r = s_update_ref(msg, ref, 0); format_display(display, r ? '!' : '*', what, r ? _("unable to update local ref") : NULL, - remote, pretty_ref); + remote, pretty_ref, summary_width); return r; } @@ -666,11 +677,11 @@ static int update_local_ref(struct ref *ref, strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV); if ((recurse_submodules != RECURSE_SUBMODULES_OFF) && (recurse_submodules != RECURSE_SUBMODULES_ON)) - check_for_new_submodule_commits(ref->new_oid.hash); + check_for_new_submodule_commits(&ref->new_oid); r = s_update_ref("fast-forward", ref, 1); format_display(display, r ? '!' : ' ', quickref.buf, r ? _("unable to update local ref") : NULL, - remote, pretty_ref); + remote, pretty_ref, summary_width); strbuf_release(&quickref); return r; } else if (force || ref->force) { @@ -681,16 +692,16 @@ static int update_local_ref(struct ref *ref, strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV); if ((recurse_submodules != RECURSE_SUBMODULES_OFF) && (recurse_submodules != RECURSE_SUBMODULES_ON)) - check_for_new_submodule_commits(ref->new_oid.hash); + check_for_new_submodule_commits(&ref->new_oid); r = s_update_ref("forced-update", ref, 1); format_display(display, r ? '!' : '+', quickref.buf, r ? _("unable to update local ref") : _("forced update"), - remote, pretty_ref); + remote, pretty_ref, summary_width); strbuf_release(&quickref); return r; } else { format_display(display, '!', _("[rejected]"), _("non-fast-forward"), - remote, pretty_ref); + remote, pretty_ref, summary_width); return 1; } } @@ -721,6 +732,7 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, char *url; const char *filename = dry_run ? "/dev/null" : git_path_fetch_head(); int want_status; + int summary_width = transport_summary_width(ref_map); fp = fopen(filename, "a"); if (!fp) @@ -830,13 +842,14 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, strbuf_reset(¬e); if (ref) { - rc |= update_local_ref(ref, what, rm, ¬e); + rc |= update_local_ref(ref, what, rm, ¬e, + summary_width); free(ref); } else format_display(¬e, '*', *kind ? kind : "branch", NULL, *what ? what : "HEAD", - "FETCH_HEAD"); + "FETCH_HEAD", summary_width); if (note.len) { if (verbosity >= 0 && !shown_url) { fprintf(stderr, _("From %.*s\n"), @@ -878,7 +891,7 @@ static int quickfetch(struct ref *ref_map) * really need to perform. Claiming failure now will ensure * we perform the network exchange to deepen our history. */ - if (depth) + if (deepen) return -1; opt.quiet = 1; return check_connected(iterate_ref_map, &rm, &opt); @@ -903,6 +916,7 @@ static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map, int url_len, i, result = 0; struct ref *ref, *stale_refs = get_stale_heads(refs, ref_count, ref_map); char *url; + int summary_width = transport_summary_width(stale_refs); const char *dangling_msg = dry_run ? _(" (%s will become dangling)") : _(" (%s has become dangling)"); @@ -938,7 +952,8 @@ static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map, shown_url = 1; } format_display(&sb, '-', _("[deleted]"), NULL, - _("(none)"), prettify_refname(ref->name)); + _("(none)"), prettify_refname(ref->name), + summary_width); fprintf(stderr, " %s\n",sb.buf); strbuf_release(&sb); warn_dangling_symref(stderr, dangling_msg, ref->name); @@ -986,7 +1001,7 @@ static void set_option(struct transport *transport, const char *name, const char name, transport->url); } -static struct transport *prepare_transport(struct remote *remote) +static struct transport *prepare_transport(struct remote *remote, int deepen) { struct transport *transport; transport = transport_get(remote, NULL); @@ -998,6 +1013,13 @@ static struct transport *prepare_transport(struct remote *remote) set_option(transport, TRANS_OPT_KEEP, "yes"); if (depth) set_option(transport, TRANS_OPT_DEPTH, depth); + if (deepen && deepen_since) + set_option(transport, TRANS_OPT_DEEPEN_SINCE, deepen_since); + if (deepen && deepen_not.nr) + set_option(transport, TRANS_OPT_DEEPEN_NOT, + (const char *)&deepen_not); + if (deepen_relative) + set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, "yes"); if (update_shallow) set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes"); return transport; @@ -1005,13 +1027,25 @@ static struct transport *prepare_transport(struct remote *remote) static void backfill_tags(struct transport *transport, struct ref *ref_map) { - if (transport->cannot_reuse) { - gsecondary = prepare_transport(transport->remote); + int cannot_reuse; + + /* + * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it + * when remote helper is used (setting it to an empty string + * is not unsetting). We could extend the remote helper + * protocol for that, but for now, just force a new connection + * without deepen-since. Similar story for deepen-not. + */ + cannot_reuse = transport->cannot_reuse || + deepen_since || deepen_not.nr; + if (cannot_reuse) { + gsecondary = prepare_transport(transport->remote, 0); transport = gsecondary; } transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL); transport_set_option(transport, TRANS_OPT_DEPTH, "0"); + transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL); fetch_refs(transport, ref_map); if (gsecondary) { @@ -1145,7 +1179,7 @@ static int add_remote_or_group(const char *name, struct string_list *list) git_config(get_remote_group, &g); if (list->nr == prev_nr) { struct remote *remote = remote_get(name); - if (!remote_is_configured(remote)) + if (!remote_is_configured(remote, 0)) return 0; string_list_append(list, remote->name); } @@ -1222,7 +1256,7 @@ static int fetch_one(struct remote *remote, int argc, const char **argv) die(_("No remote repository specified. Please, specify either a URL or a\n" "remote name from which new revisions should be fetched.")); - gtransport = prepare_transport(remote); + gtransport = prepare_transport(remote, 1); if (prune < 0) { /* no command line request */ @@ -1282,6 +1316,13 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, builtin_fetch_options, builtin_fetch_usage, 0); + if (deepen_relative) { + if (deepen_relative < 0) + die(_("Negative depth in --deepen is not supported")); + if (depth) + die(_("--deepen and --depth are mutually exclusive")); + depth = xstrfmt("%d", deepen_relative); + } if (unshallow) { if (depth) die(_("--depth and --unshallow cannot be used together")); @@ -1294,6 +1335,8 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) /* no need to be strict, transport_set_option() will validate it again */ if (depth && atoi(depth) < 1) die(_("depth %s is not a positive number"), depth); + if (depth || deepen_since || deepen_not.nr) + deepen = 1; if (recurse_submodules != RECURSE_SUBMODULES_OFF) { if (recurse_submodules_default) { diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c index dc2e9e4..6faa3c0 100644 --- a/builtin/fmt-merge-msg.c +++ b/builtin/fmt-merge-msg.c @@ -41,7 +41,7 @@ struct src_data { }; struct origin_data { - unsigned char sha1[20]; + struct object_id oid; unsigned is_local_branch:1; }; @@ -59,8 +59,8 @@ static struct string_list origins = STRING_LIST_INIT_DUP; struct merge_parents { int alloc, nr; struct merge_parent { - unsigned char given[20]; - unsigned char commit[20]; + struct object_id given; + struct object_id commit; unsigned char used; } *item; }; @@ -70,14 +70,14 @@ struct merge_parents { * hundreds of heads at a time anyway. */ static struct merge_parent *find_merge_parent(struct merge_parents *table, - unsigned char *given, - unsigned char *commit) + struct object_id *given, + struct object_id *commit) { int i; for (i = 0; i < table->nr; i++) { - if (given && hashcmp(table->item[i].given, given)) + if (given && oidcmp(&table->item[i].given, given)) continue; - if (commit && hashcmp(table->item[i].commit, commit)) + if (commit && oidcmp(&table->item[i].commit, commit)) continue; return &table->item[i]; } @@ -85,14 +85,14 @@ static struct merge_parent *find_merge_parent(struct merge_parents *table, } static void add_merge_parent(struct merge_parents *table, - unsigned char *given, - unsigned char *commit) + struct object_id *given, + struct object_id *commit) { if (table->nr && find_merge_parent(table, given, commit)) return; ALLOC_GROW(table->item, table->nr + 1, table->alloc); - hashcpy(table->item[table->nr].given, given); - hashcpy(table->item[table->nr].commit, commit); + oidcpy(&table->item[table->nr].given, given); + oidcpy(&table->item[table->nr].commit, commit); table->item[table->nr].used = 0; table->nr++; } @@ -106,30 +106,30 @@ static int handle_line(char *line, struct merge_parents *merge_parents) struct src_data *src_data; struct string_list_item *item; int pulling_head = 0; - unsigned char sha1[20]; + struct object_id oid; - if (len < 43 || line[40] != '\t') + if (len < GIT_SHA1_HEXSZ + 3 || line[GIT_SHA1_HEXSZ] != '\t') return 1; - if (starts_with(line + 41, "not-for-merge")) + if (starts_with(line + GIT_SHA1_HEXSZ + 1, "not-for-merge")) return 0; - if (line[41] != '\t') + if (line[GIT_SHA1_HEXSZ + 1] != '\t') return 2; - i = get_sha1_hex(line, sha1); + i = get_oid_hex(line, &oid); if (i) return 3; - if (!find_merge_parent(merge_parents, sha1, NULL)) + if (!find_merge_parent(merge_parents, &oid, NULL)) return 0; /* subsumed by other parents */ origin_data = xcalloc(1, sizeof(struct origin_data)); - hashcpy(origin_data->sha1, sha1); + oidcpy(&origin_data->oid, &oid); if (line[len - 1] == '\n') line[len - 1] = 0; - line += 42; + line += GIT_SHA1_HEXSZ + 2; /* * At this point, line points at the beginning of comment e.g. @@ -314,14 +314,10 @@ static void add_people_info(struct strbuf *out, struct string_list *authors, struct string_list *committers) { - if (authors->nr) - qsort(authors->items, - authors->nr, sizeof(authors->items[0]), - cmp_string_list_util_as_integral); - if (committers->nr) - qsort(committers->items, - committers->nr, sizeof(committers->items[0]), - cmp_string_list_util_as_integral); + QSORT(authors->items, authors->nr, + cmp_string_list_util_as_integral); + QSORT(committers->items, committers->nr, + cmp_string_list_util_as_integral); credit_people(out, authors, 'a'); credit_people(out, committers, 'c'); @@ -342,10 +338,10 @@ static void shortlog(const char *name, struct string_list committers = STRING_LIST_INIT_DUP; int flags = UNINTERESTING | TREESAME | SEEN | SHOWN | ADDED; struct strbuf sb = STRBUF_INIT; - const unsigned char *sha1 = origin_data->sha1; + const struct object_id *oid = &origin_data->oid; int limit = opts->shortlog_len; - branch = deref_tag(parse_object(sha1), sha1_to_hex(sha1), 40); + branch = deref_tag(parse_object(oid->hash), oid_to_hex(oid), GIT_SHA1_HEXSZ); if (!branch || branch->type != OBJ_COMMIT) return; @@ -535,7 +531,7 @@ static void fmt_merge_msg_sigs(struct strbuf *out) } static void find_merge_parents(struct merge_parents *result, - struct strbuf *in, unsigned char *head) + struct strbuf *in, struct object_id *head) { struct commit_list *parents; struct commit *head_commit; @@ -546,31 +542,31 @@ static void find_merge_parents(struct merge_parents *result, int len; char *p = in->buf + pos; char *newline = strchr(p, '\n'); - unsigned char sha1[20]; + struct object_id oid; struct commit *parent; struct object *obj; len = newline ? newline - p : strlen(p); pos += len + !!newline; - if (len < 43 || - get_sha1_hex(p, sha1) || - p[40] != '\t' || - p[41] != '\t') + if (len < GIT_SHA1_HEXSZ + 3 || + get_oid_hex(p, &oid) || + p[GIT_SHA1_HEXSZ] != '\t' || + p[GIT_SHA1_HEXSZ + 1] != '\t') continue; /* skip not-for-merge */ /* * Do not use get_merge_parent() here; we do not have * "name" here and we do not want to contaminate its * util field yet. */ - obj = parse_object(sha1); + obj = parse_object(oid.hash); parent = (struct commit *)peel_to_type(NULL, 0, obj, OBJ_COMMIT); if (!parent) continue; commit_list_insert(parent, &parents); - add_merge_parent(result, obj->oid.hash, parent->object.oid.hash); + add_merge_parent(result, &obj->oid, &parent->object.oid); } - head_commit = lookup_commit(head); + head_commit = lookup_commit(head->hash); if (head_commit) commit_list_insert(head_commit, &parents); parents = reduce_heads(parents); @@ -578,7 +574,7 @@ static void find_merge_parents(struct merge_parents *result, while (parents) { struct commit *cmit = pop_commit(&parents); for (i = 0; i < result->nr; i++) - if (!hashcmp(result->item[i].commit, cmit->object.oid.hash)) + if (!oidcmp(&result->item[i].commit, &cmit->object.oid)) result->item[i].used = 1; } @@ -596,7 +592,7 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, struct fmt_merge_msg_opts *opts) { int i = 0, pos = 0; - unsigned char head_sha1[20]; + struct object_id head_oid; const char *current_branch; void *current_branch_to_free; struct merge_parents merge_parents; @@ -605,13 +601,13 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, /* get current branch */ current_branch = current_branch_to_free = - resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL); + resolve_refdup("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL); if (!current_branch) die("No current branch"); if (starts_with(current_branch, "refs/heads/")) current_branch += 11; - find_merge_parents(&merge_parents, in, head_sha1); + find_merge_parents(&merge_parents, in, &head_oid); /* get a line */ while (pos < in->len) { @@ -637,7 +633,7 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, struct commit *head; struct rev_info rev; - head = lookup_commit_or_die(head_sha1, "HEAD"); + head = lookup_commit_or_die(head_oid.hash, "HEAD"); init_revisions(&rev, NULL); rev.commit_format = CMIT_FMT_ONELINE; rev.ignore_merges = 1; diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c index 4e9f6c2..eca365b 100644 --- a/builtin/for-each-ref.c +++ b/builtin/for-each-ref.c @@ -8,8 +8,8 @@ static char const * const for_each_ref_usage[] = { N_("git for-each-ref [<options>] [<pattern>]"), N_("git for-each-ref [--points-at <object>]"), - N_("git for-each-ref [(--merged | --no-merged) [<object>]]"), - N_("git for-each-ref [--contains [<object>]]"), + N_("git for-each-ref [(--merged | --no-merged) [<commit>]]"), + N_("git for-each-ref [--contains [<commit>]] [--no-contains [<commit>]]"), NULL }; @@ -18,7 +18,7 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) int i; const char *format = "%(objectname) %(objecttype)\t%(refname)"; struct ref_sorting *sorting = NULL, **sorting_tail = &sorting; - int maxcount = 0, quote_style = 0; + int maxcount = 0, quote_style = 0, icase = 0; struct ref_array array; struct ref_filter filter; @@ -43,6 +43,8 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) OPT_MERGED(&filter, N_("print only refs that are merged")), OPT_NO_MERGED(&filter, N_("print only refs that are not merged")), OPT_CONTAINS(&filter.with_commit, N_("print only refs which contain the commit")), + OPT_NO_CONTAINS(&filter.no_commit, N_("print only refs which don't contain the commit")), + OPT_BOOL(0, "ignore-case", &icase, N_("sorting and filtering are case insensitive")), OPT_END(), }; @@ -63,6 +65,8 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) if (!sorting) sorting = ref_default_sorting(); + sorting->ignore_case = icase; + filter.ignore_case = icase; /* for warn_ambiguous_refs */ git_config(git_default_config, NULL); diff --git a/builtin/fsck.c b/builtin/fsck.c index 2de272e..b5e13a4 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -56,6 +56,23 @@ static const char *describe_object(struct object *obj) return buf.buf; } +static const char *printable_type(struct object *obj) +{ + const char *ret; + + if (obj->type == OBJ_NONE) { + enum object_type type = sha1_object_info(obj->oid.hash, NULL); + if (type > 0) + object_as_type(obj, type, 0); + } + + ret = typename(obj->type); + if (!ret) + ret = "unknown"; + + return ret; +} + static int fsck_config(const char *var, const char *value, void *cb) { if (strcmp(var, "fsck.skiplist") == 0) { @@ -83,7 +100,7 @@ static void objreport(struct object *obj, const char *msg_type, const char *err) { fprintf(stderr, "%s in %s %s: %s\n", - msg_type, typename(obj->type), describe_object(obj), err); + msg_type, printable_type(obj), describe_object(obj), err); } static int objerror(struct object *obj, const char *err) @@ -114,7 +131,7 @@ static int mark_object(struct object *obj, int type, void *data, struct fsck_opt if (!obj) { /* ... these references to parent->fld are safe here */ printf("broken link from %7s %s\n", - typename(parent->type), describe_object(parent)); + printable_type(parent), describe_object(parent)); printf("broken link from %7s %s\n", (type == OBJ_ANY ? "unknown" : typename(type)), "unknown"); errors_found |= ERROR_REACHABLE; @@ -131,9 +148,9 @@ static int mark_object(struct object *obj, int type, void *data, struct fsck_opt if (!(obj->flags & HAS_OBJ)) { if (parent && !has_object_file(&obj->oid)) { printf("broken link from %7s %s\n", - typename(parent->type), describe_object(parent)); + printable_type(parent), describe_object(parent)); printf(" to %7s %s\n", - typename(obj->type), describe_object(obj)); + printable_type(obj), describe_object(obj)); errors_found |= ERROR_REACHABLE; } return 1; @@ -205,9 +222,7 @@ static void check_reachable_object(struct object *obj) if (!(obj->flags & HAS_OBJ)) { if (has_sha1_pack(obj->oid.hash)) return; /* it is in pack - forget about it */ - if (connectivity_only && has_object_file(&obj->oid)) - return; - printf("missing %s %s\n", typename(obj->type), + printf("missing %s %s\n", printable_type(obj), describe_object(obj)); errors_found |= ERROR_REACHABLE; return; @@ -225,7 +240,7 @@ static void check_unreachable_object(struct object *obj) * to complain about it being unreachable (since it does * not exist). */ - if (!obj->parsed) + if (!(obj->flags & HAS_OBJ)) return; /* @@ -233,7 +248,7 @@ static void check_unreachable_object(struct object *obj) * since this is something that is prunable. */ if (show_unreachable) { - printf("unreachable %s %s\n", typename(obj->type), + printf("unreachable %s %s\n", printable_type(obj), describe_object(obj)); return; } @@ -252,7 +267,7 @@ static void check_unreachable_object(struct object *obj) */ if (!obj->used) { if (show_dangling) - printf("dangling %s %s\n", typename(obj->type), + printf("dangling %s %s\n", printable_type(obj), describe_object(obj)); if (write_lost_and_found) { char *filename = git_pathdup("lost-found/%s/%s", @@ -268,7 +283,7 @@ static void check_unreachable_object(struct object *obj) if (!(f = fopen(filename, "w"))) die_errno("Could not open '%s'", filename); if (obj->type == OBJ_BLOB) { - if (stream_blob_to_fd(fileno(f), obj->oid.hash, NULL, 1)) + if (stream_blob_to_fd(fileno(f), &obj->oid, NULL, 1)) die_errno("Could not write '%s'", filename); } else fprintf(f, "%s\n", describe_object(obj)); @@ -326,7 +341,7 @@ static int fsck_obj(struct object *obj) if (verbose) fprintf(stderr, "Checking %s %s\n", - typename(obj->type), describe_object(obj)); + printable_type(obj), describe_object(obj)); if (fsck_walk(obj, NULL, &fsck_obj_options)) objerror(obj, "broken links"); @@ -352,7 +367,7 @@ static int fsck_obj(struct object *obj) struct tag *tag = (struct tag *) obj; if (show_tags && tag->tagged) { - printf("tagged %s %s", typename(tag->tagged->type), + printf("tagged %s %s", printable_type(tag->tagged), describe_object(tag->tagged)); printf(" (%s) in %s\n", tag->tag, describe_object(&tag->object)); @@ -362,18 +377,6 @@ static int fsck_obj(struct object *obj) return 0; } -static int fsck_sha1(const unsigned char *sha1) -{ - struct object *obj = parse_object(sha1); - if (!obj) { - errors_found |= ERROR_OBJECT; - return error("%s: object corrupt or missing", - sha1_to_hex(sha1)); - } - obj->flags |= HAS_OBJ; - return fsck_obj(obj); -} - static int fsck_obj_buffer(const unsigned char *sha1, enum object_type type, unsigned long size, void *buffer, int *eaten) { @@ -393,14 +396,14 @@ static int fsck_obj_buffer(const unsigned char *sha1, enum object_type type, static int default_refs; -static void fsck_handle_reflog_sha1(const char *refname, unsigned char *sha1, +static void fsck_handle_reflog_oid(const char *refname, struct object_id *oid, unsigned long timestamp) { struct object *obj; - if (!is_null_sha1(sha1)) { - obj = lookup_object(sha1); - if (obj) { + if (!is_null_oid(oid)) { + obj = lookup_object(oid->hash); + if (obj && (obj->flags & HAS_OBJ)) { if (timestamp && name_objects) add_decoration(fsck_walk_options.object_names, obj, @@ -408,13 +411,13 @@ static void fsck_handle_reflog_sha1(const char *refname, unsigned char *sha1, obj->used = 1; mark_object_reachable(obj); } else { - error("%s: invalid reflog entry %s", refname, sha1_to_hex(sha1)); + error("%s: invalid reflog entry %s", refname, oid_to_hex(oid)); errors_found |= ERROR_REACHABLE; } } } -static int fsck_handle_reflog_ent(unsigned char *osha1, unsigned char *nsha1, +static int fsck_handle_reflog_ent(struct object_id *ooid, struct object_id *noid, const char *email, unsigned long timestamp, int tz, const char *message, void *cb_data) { @@ -422,10 +425,10 @@ static int fsck_handle_reflog_ent(unsigned char *osha1, unsigned char *nsha1, if (verbose) fprintf(stderr, "Checking reflog %s->%s\n", - sha1_to_hex(osha1), sha1_to_hex(nsha1)); + oid_to_hex(ooid), oid_to_hex(noid)); - fsck_handle_reflog_sha1(refname, osha1, 0); - fsck_handle_reflog_sha1(refname, nsha1, timestamp); + fsck_handle_reflog_oid(refname, ooid, 0); + fsck_handle_reflog_oid(refname, noid, timestamp); return 0; } @@ -488,9 +491,41 @@ static void get_default_heads(void) } } -static int fsck_loose(const unsigned char *sha1, const char *path, void *data) +static struct object *parse_loose_object(const struct object_id *oid, + const char *path) +{ + struct object *obj; + void *contents; + enum object_type type; + unsigned long size; + int eaten; + + if (read_loose_object(path, oid->hash, &type, &size, &contents) < 0) + return NULL; + + if (!contents && type != OBJ_BLOB) + die("BUG: read_loose_object streamed a non-blob"); + + obj = parse_object_buffer(oid->hash, type, size, contents, &eaten); + + if (!eaten) + free(contents); + return obj; +} + +static int fsck_loose(const struct object_id *oid, const char *path, void *data) { - if (fsck_sha1(sha1)) + struct object *obj = parse_loose_object(oid, path); + + if (!obj) { + errors_found |= ERROR_OBJECT; + error("%s: object corrupt or missing: %s", + oid_to_hex(oid), path); + return 0; /* keep checking other objects */ + } + + obj->flags = HAS_OBJ; + if (fsck_obj(obj)) errors_found |= ERROR_OBJECT; return 0; } @@ -584,6 +619,29 @@ static int fsck_cache_tree(struct cache_tree *it) return err; } +static void mark_object_for_connectivity(const struct object_id *oid) +{ + struct object *obj = lookup_unknown_object(oid->hash); + obj->flags |= HAS_OBJ; +} + +static int mark_loose_for_connectivity(const struct object_id *oid, + const char *path, + void *data) +{ + mark_object_for_connectivity(oid); + return 0; +} + +static int mark_packed_for_connectivity(const struct object_id *oid, + struct packed_git *pack, + uint32_t pos, + void *data) +{ + mark_object_for_connectivity(oid); + return 0; +} + static char const * const fsck_usage[] = { N_("git fsck [<options>] [<object>...]"), NULL @@ -640,44 +698,41 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) git_config(fsck_config, NULL); fsck_head_link(); - if (!connectivity_only) { + if (connectivity_only) { + for_each_loose_object(mark_loose_for_connectivity, NULL, 0); + for_each_packed_object(mark_packed_for_connectivity, NULL, 0); + } else { fsck_object_dir(get_object_directory()); prepare_alt_odb(); - for (alt = alt_odb_list; alt; alt = alt->next) { - /* directory name, minus trailing slash */ - size_t namelen = alt->name - alt->base - 1; - struct strbuf name = STRBUF_INIT; - strbuf_add(&name, alt->base, namelen); - fsck_object_dir(name.buf); - strbuf_release(&name); - } - } + for (alt = alt_odb_list; alt; alt = alt->next) + fsck_object_dir(alt->path); - if (check_full) { - struct packed_git *p; - uint32_t total = 0, count = 0; - struct progress *progress = NULL; + if (check_full) { + struct packed_git *p; + uint32_t total = 0, count = 0; + struct progress *progress = NULL; - prepare_packed_git(); + prepare_packed_git(); - if (show_progress) { + if (show_progress) { + for (p = packed_git; p; p = p->next) { + if (open_pack_index(p)) + continue; + total += p->num_objects; + } + + progress = start_progress(_("Checking objects"), total); + } for (p = packed_git; p; p = p->next) { - if (open_pack_index(p)) - continue; - total += p->num_objects; + /* verify gives error messages itself */ + if (verify_pack(p, fsck_obj_buffer, + progress, count)) + errors_found |= ERROR_PACK; + count += p->num_objects; } - - progress = start_progress(_("Checking objects"), total); + stop_progress(&progress); } - for (p = packed_git; p; p = p->next) { - /* verify gives error messages itself */ - if (verify_pack(p, fsck_obj_buffer, - progress, count)) - errors_found |= ERROR_PACK; - count += p->num_objects; - } - stop_progress(&progress); } heads = 0; @@ -687,9 +742,11 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) if (!get_sha1(arg, sha1)) { struct object *obj = lookup_object(sha1); - /* Error is printed by lookup_object(). */ - if (!obj) + if (!obj || !(obj->flags & HAS_OBJ)) { + error("%s: object missing", sha1_to_hex(sha1)); + errors_found |= ERROR_OBJECT; continue; + } obj->used = 1; if (name_objects) @@ -700,6 +757,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) continue; } error("invalid parameter: expected sha1, got '%s'", arg); + errors_found |= ERROR_OBJECT; } /* @@ -707,12 +765,13 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) * default ones from .git/refs. We also consider the index file * in this case (ie this implies --cache). */ - if (!heads) { + if (!argc) { get_default_heads(); keep_cache_objects = 1; } if (keep_cache_objects) { + verify_index_checksum = 1; read_cache(); for (i = 0; i < active_nr; i++) { unsigned int mode; @@ -722,7 +781,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) mode = active_cache[i]->ce_mode; if (S_ISGITLINK(mode)) continue; - blob = lookup_blob(active_cache[i]->sha1); + blob = lookup_blob(active_cache[i]->oid.hash); if (!blob) continue; obj = &blob->object; diff --git a/builtin/gc.c b/builtin/gc.c index 4f85610..91f7696 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -33,6 +33,8 @@ static int aggressive_window = 250; static int gc_auto_threshold = 6700; static int gc_auto_pack_limit = 50; static int detach_auto = 1; +static unsigned long gc_log_expire_time; +static const char *gc_log_expire = "1.day.ago"; static const char *prune_expire = "2.weeks.ago"; static const char *prune_worktrees_expire = "3.months.ago"; @@ -62,24 +64,31 @@ static void report_pack_garbage(unsigned seen_bits, const char *path) string_list_append(&pack_garbage, path); } -static void git_config_date_string(const char *key, const char **output) -{ - if (git_config_get_string_const(key, output)) - return; - if (strcmp(*output, "now")) { - unsigned long now = approxidate("now"); - if (approxidate(*output) >= now) - git_die_config(key, _("Invalid %s: '%s'"), key, *output); - } -} - static void process_log_file(void) { struct stat st; - if (!fstat(get_lock_file_fd(&log_lock), &st) && st.st_size) + if (fstat(get_lock_file_fd(&log_lock), &st)) { + /* + * Perhaps there was an i/o error or another + * unlikely situation. Try to make a note of + * this in gc.log along with any existing + * messages. + */ + int saved_errno = errno; + fprintf(stderr, _("Failed to fstat %s: %s"), + get_tempfile_path(&log_lock.tempfile), + strerror(saved_errno)); + fflush(stderr); commit_lock_file(&log_lock); - else + errno = saved_errno; + } else if (st.st_size) { + /* There was some error recorded in the lock file */ + commit_lock_file(&log_lock); + } else { + /* No error, clean up any old gc.log */ + unlink(git_path("gc.log")); rollback_lock_file(&log_lock); + } } static void process_log_file_at_exit(void) @@ -111,8 +120,10 @@ static void gc_config(void) git_config_get_int("gc.auto", &gc_auto_threshold); git_config_get_int("gc.autopacklimit", &gc_auto_pack_limit); git_config_get_bool("gc.autodetach", &detach_auto); - git_config_date_string("gc.pruneexpire", &prune_expire); - git_config_date_string("gc.worktreepruneexpire", &prune_worktrees_expire); + git_config_get_expiry("gc.pruneexpire", &prune_expire); + git_config_get_expiry("gc.worktreepruneexpire", &prune_worktrees_expire); + git_config_get_expiry("gc.logexpiry", &gc_log_expire); + git_config(git_default_config, NULL); } @@ -124,8 +135,6 @@ static int too_many_loose_objects(void) * distributed, we can check only one and get a reasonable * estimate. */ - char path[PATH_MAX]; - const char *objdir = get_object_directory(); DIR *dir; struct dirent *ent; int auto_threshold; @@ -135,11 +144,7 @@ static int too_many_loose_objects(void) if (gc_auto_threshold <= 0) return 0; - if (sizeof(path) <= snprintf(path, sizeof(path), "%s/17", objdir)) { - warning(_("insanely long object directory %.*s"), 50, objdir); - return 0; - } - dir = opendir(path); + dir = opendir(git_path("objects/17")); if (!dir) return 0; @@ -191,6 +196,11 @@ static void add_repack_all_option(void) } } +static void add_repack_incremental_option(void) +{ + argv_array_push(&repack, "--no-write-bitmap-index"); +} + static int need_to_gc(void) { /* @@ -208,7 +218,9 @@ static int need_to_gc(void) */ if (too_many_packs()) add_repack_all_option(); - else if (!too_many_loose_objects()) + else if (too_many_loose_objects()) + add_repack_incremental_option(); + else return 0; if (run_hook_le(NULL, "pre-auto-gc", NULL)) @@ -287,19 +299,34 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid) static int report_last_gc_error(void) { struct strbuf sb = STRBUF_INIT; - int ret; + int ret = 0; + struct stat st; + char *gc_log_path = git_pathdup("gc.log"); + + if (stat(gc_log_path, &st)) { + if (errno == ENOENT) + goto done; - ret = strbuf_read_file(&sb, git_path("gc.log"), 0); + ret = error_errno(_("Can't stat %s"), gc_log_path); + goto done; + } + + if (st.st_mtime < gc_log_expire_time) + goto done; + + ret = strbuf_read_file(&sb, gc_log_path, 0); if (ret > 0) - return error(_("The last gc run reported the following. " + ret = error(_("The last gc run reported the following. " "Please correct the root cause\n" "and remove %s.\n" "Automatic cleanup will not be performed " "until the file is removed.\n\n" "%s"), - git_path("gc.log"), sb.buf); + gc_log_path, sb.buf); strbuf_release(&sb); - return 0; +done: + free(gc_log_path); + return ret; } static int gc_before_repack(void) @@ -346,7 +373,10 @@ int cmd_gc(int argc, const char **argv, const char *prefix) argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL); argv_array_pushl(&rerere, "rerere", "gc", NULL); + /* default expiry time, overwritten in gc_config */ gc_config(); + if (parse_expiry_date(gc_log_expire, &gc_log_expire_time)) + die(_("Failed to parse gc.logexpiry value %s"), gc_log_expire); if (pack_refs < 0) pack_refs = !is_bare_repository(); @@ -445,5 +475,8 @@ int cmd_gc(int argc, const char **argv, const char *prefix) warning(_("There are too many unreachable loose objects; " "run 'git prune' to remove them.")); + if (!daemonized) + unlink(git_path("gc.log")); + return 0; } diff --git a/builtin/grep.c b/builtin/grep.c index ae73831..3ffb5b4 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -18,12 +18,22 @@ #include "quote.h" #include "dir.h" #include "pathspec.h" +#include "submodule.h" +#include "submodule-config.h" static char const * const grep_usage[] = { N_("git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"), NULL }; +static const char *super_prefix; +static int recurse_submodules; +static struct argv_array submodule_options = ARGV_ARRAY_INIT; +static const char *parent_basename; + +static int grep_submodule_launch(struct grep_opt *opt, + const struct grep_source *gs); + #define GREP_NUM_THREADS_DEFAULT 8 static int num_threads; @@ -174,7 +184,10 @@ static void *run(void *arg) break; opt->output_priv = w; - hit |= grep_source(opt, &w->source); + if (w->source.type == GREP_SOURCE_SUBMODULE) + hit |= grep_submodule_launch(opt, &w->source); + else + hit |= grep_source(opt, &w->source); grep_source_clear_data(&w->source); work_done(w); } @@ -281,32 +294,40 @@ static int grep_cmd_config(const char *var, const char *value, void *cb) return st; } -static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) +static void *lock_and_read_oid_file(const struct object_id *oid, enum object_type *type, unsigned long *size) { void *data; grep_read_lock(); - data = read_sha1_file(sha1, type, size); + data = read_sha1_file(oid->hash, type, size); grep_read_unlock(); return data; } -static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, +static int grep_oid(struct grep_opt *opt, const struct object_id *oid, const char *filename, int tree_name_len, const char *path) { struct strbuf pathbuf = STRBUF_INIT; - if (opt->relative && opt->prefix_length) { - quote_path_relative(filename + tree_name_len, opt->prefix, &pathbuf); - strbuf_insert(&pathbuf, 0, filename, tree_name_len); + if (super_prefix) { + strbuf_add(&pathbuf, filename, tree_name_len); + strbuf_addstr(&pathbuf, super_prefix); + strbuf_addstr(&pathbuf, filename + tree_name_len); } else { strbuf_addstr(&pathbuf, filename); } + if (opt->relative && opt->prefix_length) { + char *name = strbuf_detach(&pathbuf, NULL); + quote_path_relative(name + tree_name_len, opt->prefix, &pathbuf); + strbuf_insert(&pathbuf, 0, name, tree_name_len); + free(name); + } + #ifndef NO_PTHREADS if (num_threads) { - add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, path, sha1); + add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, path, oid); strbuf_release(&pathbuf); return 0; } else @@ -315,7 +336,7 @@ static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, struct grep_source gs; int hit; - grep_source_init(&gs, GREP_SOURCE_SHA1, pathbuf.buf, path, sha1); + grep_source_init(&gs, GREP_SOURCE_SHA1, pathbuf.buf, path, oid); strbuf_release(&pathbuf); hit = grep_source(opt, &gs); @@ -328,10 +349,15 @@ static int grep_file(struct grep_opt *opt, const char *filename) { struct strbuf buf = STRBUF_INIT; - if (opt->relative && opt->prefix_length) - quote_path_relative(filename, opt->prefix, &buf); - else - strbuf_addstr(&buf, filename); + if (super_prefix) + strbuf_addstr(&buf, super_prefix); + strbuf_addstr(&buf, filename); + + if (opt->relative && opt->prefix_length) { + char *name = strbuf_detach(&buf, NULL); + quote_path_relative(name, opt->prefix, &buf); + free(name); + } #ifndef NO_PTHREADS if (num_threads) { @@ -378,30 +404,310 @@ static void run_pager(struct grep_opt *opt, const char *prefix) exit(status); } -static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int cached) +static void compile_submodule_options(const struct grep_opt *opt, + const char **argv, + int cached, int untracked, + int opt_exclude, int use_index, + int pattern_type_arg) +{ + struct grep_pat *pattern; + + if (recurse_submodules) + argv_array_push(&submodule_options, "--recurse-submodules"); + + if (cached) + argv_array_push(&submodule_options, "--cached"); + if (!use_index) + argv_array_push(&submodule_options, "--no-index"); + if (untracked) + argv_array_push(&submodule_options, "--untracked"); + if (opt_exclude > 0) + argv_array_push(&submodule_options, "--exclude-standard"); + + if (opt->invert) + argv_array_push(&submodule_options, "-v"); + if (opt->ignore_case) + argv_array_push(&submodule_options, "-i"); + if (opt->word_regexp) + argv_array_push(&submodule_options, "-w"); + switch (opt->binary) { + case GREP_BINARY_NOMATCH: + argv_array_push(&submodule_options, "-I"); + break; + case GREP_BINARY_TEXT: + argv_array_push(&submodule_options, "-a"); + break; + default: + break; + } + if (opt->allow_textconv) + argv_array_push(&submodule_options, "--textconv"); + if (opt->max_depth != -1) + argv_array_pushf(&submodule_options, "--max-depth=%d", + opt->max_depth); + if (opt->linenum) + argv_array_push(&submodule_options, "-n"); + if (!opt->pathname) + argv_array_push(&submodule_options, "-h"); + if (!opt->relative) + argv_array_push(&submodule_options, "--full-name"); + if (opt->name_only) + argv_array_push(&submodule_options, "-l"); + if (opt->unmatch_name_only) + argv_array_push(&submodule_options, "-L"); + if (opt->null_following_name) + argv_array_push(&submodule_options, "-z"); + if (opt->count) + argv_array_push(&submodule_options, "-c"); + if (opt->file_break) + argv_array_push(&submodule_options, "--break"); + if (opt->heading) + argv_array_push(&submodule_options, "--heading"); + if (opt->pre_context) + argv_array_pushf(&submodule_options, "--before-context=%d", + opt->pre_context); + if (opt->post_context) + argv_array_pushf(&submodule_options, "--after-context=%d", + opt->post_context); + if (opt->funcname) + argv_array_push(&submodule_options, "-p"); + if (opt->funcbody) + argv_array_push(&submodule_options, "-W"); + if (opt->all_match) + argv_array_push(&submodule_options, "--all-match"); + if (opt->debug) + argv_array_push(&submodule_options, "--debug"); + if (opt->status_only) + argv_array_push(&submodule_options, "-q"); + + switch (pattern_type_arg) { + case GREP_PATTERN_TYPE_BRE: + argv_array_push(&submodule_options, "-G"); + break; + case GREP_PATTERN_TYPE_ERE: + argv_array_push(&submodule_options, "-E"); + break; + case GREP_PATTERN_TYPE_FIXED: + argv_array_push(&submodule_options, "-F"); + break; + case GREP_PATTERN_TYPE_PCRE: + argv_array_push(&submodule_options, "-P"); + break; + case GREP_PATTERN_TYPE_UNSPECIFIED: + break; + } + + for (pattern = opt->pattern_list; pattern != NULL; + pattern = pattern->next) { + switch (pattern->token) { + case GREP_PATTERN: + argv_array_pushf(&submodule_options, "-e%s", + pattern->pattern); + break; + case GREP_AND: + case GREP_OPEN_PAREN: + case GREP_CLOSE_PAREN: + case GREP_NOT: + case GREP_OR: + argv_array_push(&submodule_options, pattern->pattern); + break; + /* BODY and HEAD are not used by git-grep */ + case GREP_PATTERN_BODY: + case GREP_PATTERN_HEAD: + break; + } + } + + /* + * Limit number of threads for child process to use. + * This is to prevent potential fork-bomb behavior of git-grep as each + * submodule process has its own thread pool. + */ + argv_array_pushf(&submodule_options, "--threads=%d", + (num_threads + 1) / 2); + + /* Add Pathspecs */ + argv_array_push(&submodule_options, "--"); + for (; *argv; argv++) + argv_array_push(&submodule_options, *argv); +} + +/* + * Launch child process to grep contents of a submodule + */ +static int grep_submodule_launch(struct grep_opt *opt, + const struct grep_source *gs) +{ + struct child_process cp = CHILD_PROCESS_INIT; + int status, i; + const char *end_of_base; + const char *name; + struct strbuf child_output = STRBUF_INIT; + + end_of_base = strchr(gs->name, ':'); + if (gs->identifier && end_of_base) + name = end_of_base + 1; + else + name = gs->name; + + prepare_submodule_repo_env(&cp.env_array); + argv_array_push(&cp.env_array, GIT_DIR_ENVIRONMENT); + + if (opt->relative && opt->prefix_length) + argv_array_pushf(&cp.env_array, "%s=%s", + GIT_TOPLEVEL_PREFIX_ENVIRONMENT, + opt->prefix); + + /* Add super prefix */ + argv_array_pushf(&cp.args, "--super-prefix=%s%s/", + super_prefix ? super_prefix : "", + name); + argv_array_push(&cp.args, "grep"); + + /* + * Add basename of parent project + * When performing grep on a tree object the filename is prefixed + * with the object's name: 'tree-name:filename'. In order to + * provide uniformity of output we want to pass the name of the + * parent project's object name to the submodule so the submodule can + * prefix its output with the parent's name and not its own SHA1. + */ + if (gs->identifier && end_of_base) + argv_array_pushf(&cp.args, "--parent-basename=%.*s", + (int) (end_of_base - gs->name), + gs->name); + + /* Add options */ + for (i = 0; i < submodule_options.argc; i++) { + /* + * If there is a tree identifier for the submodule, add the + * rev after adding the submodule options but before the + * pathspecs. To do this we listen for the '--' and insert the + * sha1 before pushing the '--' onto the child process argv + * array. + */ + if (gs->identifier && + !strcmp("--", submodule_options.argv[i])) { + argv_array_push(&cp.args, sha1_to_hex(gs->identifier)); + } + + argv_array_push(&cp.args, submodule_options.argv[i]); + } + + cp.git_cmd = 1; + cp.dir = gs->path; + + /* + * Capture output to output buffer and check the return code from the + * child process. A '0' indicates a hit, a '1' indicates no hit and + * anything else is an error. + */ + status = capture_command(&cp, &child_output, 0); + if (status && (status != 1)) { + /* flush the buffer */ + write_or_die(1, child_output.buf, child_output.len); + die("process for submodule '%s' failed with exit code: %d", + gs->name, status); + } + + opt->output(opt, child_output.buf, child_output.len); + strbuf_release(&child_output); + /* invert the return code to make a hit equal to 1 */ + return !status; +} + +/* + * Prep grep structures for a submodule grep + * sha1: the sha1 of the submodule or NULL if using the working tree + * filename: name of the submodule including tree name of parent + * path: location of the submodule + */ +static int grep_submodule(struct grep_opt *opt, const unsigned char *sha1, + const char *filename, const char *path) +{ + if (!is_submodule_initialized(path)) + return 0; + if (!is_submodule_populated_gently(path, NULL)) { + /* + * If searching history, check for the presense of the + * submodule's gitdir before skipping the submodule. + */ + if (sha1) { + const struct submodule *sub = + submodule_from_path(null_sha1, path); + if (sub) + path = git_path("modules/%s", sub->name); + + if (!(is_directory(path) && is_git_directory(path))) + return 0; + } else { + return 0; + } + } + +#ifndef NO_PTHREADS + if (num_threads) { + add_work(opt, GREP_SOURCE_SUBMODULE, filename, path, sha1); + return 0; + } else +#endif + { + struct grep_source gs; + int hit; + + grep_source_init(&gs, GREP_SOURCE_SUBMODULE, + filename, path, sha1); + hit = grep_submodule_launch(opt, &gs); + + grep_source_clear(&gs); + return hit; + } +} + +static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, + int cached) { int hit = 0; int nr; + struct strbuf name = STRBUF_INIT; + int name_base_len = 0; + if (super_prefix) { + name_base_len = strlen(super_prefix); + strbuf_addstr(&name, super_prefix); + } + read_cache(); for (nr = 0; nr < active_nr; nr++) { const struct cache_entry *ce = active_cache[nr]; - if (!S_ISREG(ce->ce_mode)) - continue; - if (!ce_path_match(ce, pathspec, NULL)) + strbuf_setlen(&name, name_base_len); + strbuf_addstr(&name, ce->name); + + if (S_ISREG(ce->ce_mode) && + match_pathspec(pathspec, name.buf, name.len, 0, NULL, + S_ISDIR(ce->ce_mode) || + S_ISGITLINK(ce->ce_mode))) { + /* + * If CE_VALID is on, we assume worktree file and its + * cache entry are identical, even if worktree file has + * been modified, so use cache version instead + */ + if (cached || (ce->ce_flags & CE_VALID) || + ce_skip_worktree(ce)) { + if (ce_stage(ce) || ce_intent_to_add(ce)) + continue; + hit |= grep_oid(opt, &ce->oid, ce->name, + 0, ce->name); + } else { + hit |= grep_file(opt, ce->name); + } + } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && + submodule_path_match(pathspec, name.buf, NULL)) { + hit |= grep_submodule(opt, NULL, ce->name, ce->name); + } else { continue; - /* - * If CE_VALID is on, we assume worktree file and its cache entry - * are identical, even if worktree file has been modified, so use - * cache version instead - */ - if (cached || (ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) { - if (ce_stage(ce) || ce_intent_to_add(ce)) - continue; - hit |= grep_sha1(opt, ce->sha1, ce->name, 0, ce->name); } - else - hit |= grep_file(opt, ce->name); + if (ce_stage(ce)) { do { nr++; @@ -412,6 +718,8 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int if (hit && opt->status_only) break; } + + strbuf_release(&name); return hit; } @@ -423,12 +731,22 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, enum interesting match = entry_not_interesting; struct name_entry entry; int old_baselen = base->len; + struct strbuf name = STRBUF_INIT; + int name_base_len = 0; + if (super_prefix) { + strbuf_addstr(&name, super_prefix); + name_base_len = name.len; + } while (tree_entry(tree, &entry)) { int te_len = tree_entry_len(&entry); if (match != all_entries_interesting) { - match = tree_entry_interesting(&entry, base, tn_len, pathspec); + strbuf_addstr(&name, base->buf + tn_len); + match = tree_entry_interesting(&entry, &name, + 0, pathspec); + strbuf_setlen(&name, name_base_len); + if (match == all_entries_not_interesting) break; if (match == entry_not_interesting) @@ -438,16 +756,15 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, strbuf_add(base, entry.path, te_len); if (S_ISREG(entry.mode)) { - hit |= grep_sha1(opt, entry.oid->hash, base->buf, tn_len, + hit |= grep_oid(opt, entry.oid, base->buf, tn_len, check_attr ? base->buf + tn_len : NULL); - } - else if (S_ISDIR(entry.mode)) { + } else if (S_ISDIR(entry.mode)) { enum object_type type; struct tree_desc sub; void *data; unsigned long size; - data = lock_and_read_sha1_file(entry.oid->hash, &type, &size); + data = lock_and_read_oid_file(entry.oid, &type, &size); if (!data) die(_("unable to read tree (%s)"), oid_to_hex(entry.oid)); @@ -457,12 +774,18 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, hit |= grep_tree(opt, pathspec, &sub, base, tn_len, check_attr); free(data); + } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { + hit |= grep_submodule(opt, entry.oid->hash, base->buf, + base->buf + tn_len); } + strbuf_setlen(base, old_baselen); if (hit && opt->status_only) break; } + + strbuf_release(&name); return hit; } @@ -470,7 +793,7 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, struct object *obj, const char *name, const char *path) { if (obj->type == OBJ_BLOB) - return grep_sha1(opt, obj->oid.hash, name, 0, path); + return grep_oid(opt, &obj->oid, name, 0, path); if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { struct tree_desc tree; void *data; @@ -486,6 +809,10 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, if (!data) die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid)); + /* Use parent's name as base when recursing submodules */ + if (recurse_submodules && parent_basename) + name = parent_basename; + len = name ? strlen(name) : 0; strbuf_init(&base, PATH_MAX + len + 1); if (len) { @@ -512,6 +839,12 @@ static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, for (i = 0; i < nr; i++) { struct object *real_obj; real_obj = deref_tag(list->objects[i].item, NULL, 0); + + /* load the gitmodules file for this rev */ + if (recurse_submodules) { + submodule_free(); + gitmodules_config_sha1(real_obj->oid.hash); + } if (grep_object(opt, pathspec, real_obj, list->objects[i].name, list->objects[i].path)) { hit = 1; if (opt->status_only) @@ -640,6 +973,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) int dummy; int use_index = 1; int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED; + int allow_revs; struct option options[] = { OPT_BOOL(0, "cached", &cached, @@ -650,6 +984,11 @@ int cmd_grep(int argc, const char **argv, const char *prefix) N_("search in both tracked and untracked files")), OPT_SET_INT(0, "exclude-standard", &opt_exclude, N_("ignore files specified via '.gitignore'"), 1), + OPT_BOOL(0, "recurse-submodules", &recurse_submodules, + N_("recursively search in each submodule")), + OPT_STRING(0, "parent-basename", &parent_basename, + N_("basename"), + N_("prepend parent project's basename to output")), OPT_GROUP(""), OPT_BOOL('v', "invert-match", &opt.invert, N_("show non-matching lines")), @@ -754,6 +1093,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) init_grep_defaults(); git_config(grep_cmd_config, NULL); grep_init(&opt, prefix); + super_prefix = get_super_prefix(); /* * If there is no -- then the paths must exist in the working @@ -816,26 +1156,69 @@ int cmd_grep(int argc, const char **argv, const char *prefix) compile_grep_patterns(&opt); - /* Check revs and then paths */ + /* + * We have to find "--" in a separate pass, because its presence + * influences how we will parse arguments that come before it. + */ + for (i = 0; i < argc; i++) { + if (!strcmp(argv[i], "--")) { + seen_dashdash = 1; + break; + } + } + + /* + * Resolve any rev arguments. If we have a dashdash, then everything up + * to it must resolve as a rev. If not, then we stop at the first + * non-rev and assume everything else is a path. + */ + allow_revs = use_index && !untracked; for (i = 0; i < argc; i++) { const char *arg = argv[i]; - unsigned char sha1[20]; + struct object_id oid; struct object_context oc; - /* Is it a rev? */ - if (!get_sha1_with_context(arg, 0, sha1, &oc)) { - struct object *object = parse_object_or_die(sha1, arg); - if (!seen_dashdash) - verify_non_filename(prefix, arg); - add_object_array_with_path(object, arg, &list, oc.mode, oc.path); - continue; - } + struct object *object; + if (!strcmp(arg, "--")) { i++; - seen_dashdash = 1; + break; } - break; + + if (!allow_revs) { + if (seen_dashdash) + die(_("--no-index or --untracked cannot be used with revs")); + break; + } + + if (get_sha1_with_context(arg, 0, oid.hash, &oc)) { + if (seen_dashdash) + die(_("unable to resolve revision: %s"), arg); + break; + } + + object = parse_object_or_die(oid.hash, arg); + if (!seen_dashdash) + verify_non_filename(prefix, arg); + add_object_array_with_path(object, arg, &list, oc.mode, oc.path); + } + + /* + * Anything left over is presumed to be a path. But in the non-dashdash + * "do what I mean" case, we verify and complain when that isn't true. + */ + if (!seen_dashdash) { + int j; + for (j = i; j < argc; j++) + verify_filename(prefix, argv[j], j == i && allow_revs); } + parse_pathspec(&pathspec, 0, + PATHSPEC_PREFER_CWD | + (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0), + prefix, argv + i); + pathspec.max_depth = opt.max_depth; + pathspec.recursive = 1; + #ifndef NO_PTHREADS if (list.nr || cached || show_in_pager) num_threads = 0; @@ -857,20 +1240,13 @@ int cmd_grep(int argc, const char **argv, const char *prefix) } #endif - /* The rest are paths */ - if (!seen_dashdash) { - int j; - for (j = i; j < argc; j++) - verify_filename(prefix, argv[j], j == i); + if (recurse_submodules) { + gitmodules_config(); + compile_submodule_options(&opt, argv + i, cached, untracked, + opt_exclude, use_index, + pattern_type_arg); } - parse_pathspec(&pathspec, 0, - PATHSPEC_PREFER_CWD | - (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0), - prefix, argv + i); - pathspec.max_depth = opt.max_depth; - pathspec.recursive = 1; - if (show_in_pager && (cached || list.nr)) die(_("--open-files-in-pager only works on the worktree")); @@ -894,6 +1270,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix) } } + if (recurse_submodules && (!use_index || untracked)) + die(_("option not supported with --recurse-submodules.")); + if (!show_in_pager && !opt.status_only) setup_pager(); @@ -902,8 +1281,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix) if (!use_index || untracked) { int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; - if (list.nr) - die(_("--no-index or --untracked cannot be used with revs.")); hit = grep_directory(&opt, &pathspec, use_exclude, use_index); } else if (0 <= opt_exclude) { die(_("--[no-]exclude-standard cannot be used for tracked contents.")); @@ -922,6 +1299,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) hit |= wait_all(); if (hit && show_in_pager) run_pager(&opt, prefix); + clear_pathspec(&pathspec); free_grep_patterns(&opt); return !hit; } diff --git a/builtin/hash-object.c b/builtin/hash-object.c index f7d3567..bbeaf20 100644 --- a/builtin/hash-object.c +++ b/builtin/hash-object.c @@ -87,6 +87,7 @@ int cmd_hash_object(int argc, const char **argv, const char *prefix) int stdin_paths = 0; int no_filters = 0; int literally = 0; + int nongit = 0; unsigned flags = HASH_FORMAT_CHECK; const char *vpath = NULL; const struct option hash_object_options[] = { @@ -101,18 +102,18 @@ int cmd_hash_object(int argc, const char **argv, const char *prefix) OPT_END() }; int i; - int prefix_length = -1; const char *errstr = NULL; argc = parse_options(argc, argv, NULL, hash_object_options, hash_object_usage, 0); - if (flags & HASH_WRITE_OBJECT) { + if (flags & HASH_WRITE_OBJECT) prefix = setup_git_directory(); - prefix_length = prefix ? strlen(prefix) : 0; - if (vpath && prefix) - vpath = prefix_filename(prefix, prefix_length, vpath); - } + else + prefix = setup_git_directory_gently(&nongit); + + if (vpath && prefix) + vpath = xstrdup(prefix_filename(prefix, vpath)); git_config(git_default_config, NULL); @@ -141,11 +142,13 @@ int cmd_hash_object(int argc, const char **argv, const char *prefix) for (i = 0 ; i < argc; i++) { const char *arg = argv[i]; + char *to_free = NULL; - if (0 <= prefix_length) - arg = prefix_filename(prefix, prefix_length, arg); + if (prefix) + arg = to_free = prefix_filename(prefix, arg); hash_object(arg, type, no_filters ? NULL : vpath ? vpath : arg, flags, literally); + free(to_free); } if (stdin_paths) diff --git a/builtin/help.c b/builtin/help.c index e8f79d7..49f7a07 100644 --- a/builtin/help.c +++ b/builtin/help.c @@ -37,8 +37,10 @@ static int show_all = 0; static int show_guides = 0; static unsigned int colopts; static enum help_format help_format = HELP_FORMAT_NONE; +static int exclude_guides; static struct option builtin_help_options[] = { OPT_BOOL('a', "all", &show_all, N_("print all available commands")), + OPT_HIDDEN_BOOL(0, "exclude-guides", &exclude_guides, N_("exclude guides")), OPT_BOOL('g', "guides", &show_guides, N_("print list of useful guides")), OPT_SET_INT('m', "man", &help_format, N_("show man page"), HELP_FORMAT_MAN), OPT_SET_INT('w', "web", &help_format, N_("show manual in web browser"), @@ -426,10 +428,29 @@ static void list_common_guides_help(void) putchar('\n'); } +static const char *check_git_cmd(const char* cmd) +{ + char *alias; + + if (is_git_command(cmd)) + return cmd; + + alias = alias_lookup(cmd); + if (alias) { + printf_ln(_("`git %s' is aliased to `%s'"), cmd, alias); + free(alias); + exit(0); + } + + if (exclude_guides) + return help_unknown_cmd(cmd); + + return cmd; +} + int cmd_help(int argc, const char **argv, const char *prefix) { int nongit; - char *alias; enum help_format parsed_help_format; argc = parse_options(argc, argv, prefix, builtin_help_options, @@ -469,12 +490,7 @@ int cmd_help(int argc, const char **argv, const char *prefix) if (help_format == HELP_FORMAT_NONE) help_format = parse_help_format(DEFAULT_HELP_FORMAT); - alias = alias_lookup(argv[0]); - if (alias && !is_git_command(argv[0])) { - printf_ln(_("`git %s' is aliased to `%s'"), argv[0], alias); - free(alias); - return 0; - } + argv[0] = check_git_cmd(argv[0]); switch (help_format) { case HELP_FORMAT_NONE: diff --git a/builtin/index-pack.c b/builtin/index-pack.c index 1d2ea58..4ff567d 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -87,6 +87,7 @@ static struct progress *progress; static unsigned char input_buffer[4096]; static unsigned int input_offset, input_len; static off_t consumed_bytes; +static off_t max_input_size; static unsigned deepest_delta; static git_SHA_CTX input_ctx; static uint32_t input_crc32; @@ -297,6 +298,8 @@ static void use(int bytes) if (signed_add_overflows(consumed_bytes, bytes)) die(_("pack too large for current definition of off_t")); consumed_bytes += bytes; + if (max_input_size && consumed_bytes > max_input_size) + die(_("pack exceeds maximum allowed size")); } static const char *open_pack_file(const char *pack_name) @@ -304,14 +307,15 @@ static const char *open_pack_file(const char *pack_name) if (from_stdin) { input_fd = 0; if (!pack_name) { - static char tmp_file[PATH_MAX]; - output_fd = odb_mkstemp(tmp_file, sizeof(tmp_file), + struct strbuf tmp_file = STRBUF_INIT; + output_fd = odb_mkstemp(&tmp_file, "pack/tmp_pack_XXXXXX"); - pack_name = xstrdup(tmp_file); - } else + pack_name = strbuf_detach(&tmp_file, NULL); + } else { output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600); - if (output_fd < 0) - die_errno(_("unable to create '%s'"), pack_name); + if (output_fd < 0) + die_errno(_("unable to create '%s'"), pack_name); + } nothread_data.pack_fd = output_fd; } else { input_fd = open(pack_name, O_RDONLY); @@ -784,13 +788,15 @@ static void sha1_object(const void *data, struct object_entry *obj_entry, const unsigned char *sha1) { void *new_data = NULL; - int collision_test_needed; + int collision_test_needed = 0; assert(data || obj_entry); - read_lock(); - collision_test_needed = has_sha1_file_with_flags(sha1, HAS_SHA1_QUICK); - read_unlock(); + if (startup_info->have_repository) { + read_lock(); + collision_test_needed = has_sha1_file_with_flags(sha1, HAS_SHA1_QUICK); + read_unlock(); + } if (collision_test_needed && !data) { read_lock(); @@ -804,6 +810,8 @@ static void sha1_object(const void *data, struct object_entry *obj_entry, unsigned long has_size; read_lock(); has_type = sha1_object_info(sha1, &has_size); + if (has_type < 0) + die(_("cannot read existing object info %s"), sha1_to_hex(sha1)); if (has_type != type || has_size != size) die(_("SHA1 COLLISION FOUND WITH %s !"), sha1_to_hex(sha1)); has_data = read_sha1_file(sha1, &has_type, &has_size); @@ -1187,10 +1195,8 @@ static void resolve_deltas(void) return; /* Sort deltas by base SHA1/offset for fast searching */ - qsort(ofs_deltas, nr_ofs_deltas, sizeof(struct ofs_delta_entry), - compare_ofs_delta_entry); - qsort(ref_deltas, nr_ref_deltas, sizeof(struct ref_delta_entry), - compare_ref_delta_entry); + QSORT(ofs_deltas, nr_ofs_deltas, compare_ofs_delta_entry); + QSORT(ref_deltas, nr_ref_deltas, compare_ref_delta_entry); if (verbose || show_resolving_progress) progress = start_progress(_("Resolving deltas"), @@ -1353,7 +1359,7 @@ static void fix_unresolved_deltas(struct sha1file *f) ALLOC_ARRAY(sorted_by_pos, nr_ref_deltas); for (i = 0; i < nr_ref_deltas; i++) sorted_by_pos[i] = &ref_deltas[i]; - qsort(sorted_by_pos, nr_ref_deltas, sizeof(*sorted_by_pos), delta_pos_compare); + QSORT(sorted_by_pos, nr_ref_deltas, delta_pos_compare); for (i = 0; i < nr_ref_deltas; i++) { struct ref_delta_entry *d = sorted_by_pos[i]; @@ -1383,7 +1389,9 @@ static void final(const char *final_pack_name, const char *curr_pack_name, unsigned char *sha1) { const char *report = "pack"; - char name[PATH_MAX]; + struct strbuf pack_name = STRBUF_INIT; + struct strbuf index_name = STRBUF_INIT; + struct strbuf keep_name_buf = STRBUF_INIT; int err; if (!from_stdin) { @@ -1399,14 +1407,13 @@ static void final(const char *final_pack_name, const char *curr_pack_name, int keep_fd, keep_msg_len = strlen(keep_msg); if (!keep_name) - keep_fd = odb_pack_keep(name, sizeof(name), sha1); - else - keep_fd = open(keep_name, O_RDWR|O_CREAT|O_EXCL, 0600); + keep_name = odb_pack_name(&keep_name_buf, sha1, "keep"); + keep_fd = odb_pack_keep(keep_name); if (keep_fd < 0) { if (errno != EEXIST) die_errno(_("cannot write keep file '%s'"), - keep_name ? keep_name : name); + keep_name); } else { if (keep_msg_len > 0) { write_or_die(keep_fd, keep_msg, keep_msg_len); @@ -1414,28 +1421,22 @@ static void final(const char *final_pack_name, const char *curr_pack_name, } if (close(keep_fd) != 0) die_errno(_("cannot close written keep file '%s'"), - keep_name ? keep_name : name); + keep_name); report = "keep"; } } if (final_pack_name != curr_pack_name) { - if (!final_pack_name) { - snprintf(name, sizeof(name), "%s/pack/pack-%s.pack", - get_object_directory(), sha1_to_hex(sha1)); - final_pack_name = name; - } + if (!final_pack_name) + final_pack_name = odb_pack_name(&pack_name, sha1, "pack"); if (finalize_object_file(curr_pack_name, final_pack_name)) die(_("cannot store pack file")); } else if (from_stdin) chmod(final_pack_name, 0444); if (final_index_name != curr_index_name) { - if (!final_index_name) { - snprintf(name, sizeof(name), "%s/pack/pack-%s.idx", - get_object_directory(), sha1_to_hex(sha1)); - final_index_name = name; - } + if (!final_index_name) + final_index_name = odb_pack_name(&index_name, sha1, "idx"); if (finalize_object_file(curr_index_name, final_index_name)) die(_("cannot store index file")); } else @@ -1444,10 +1445,11 @@ static void final(const char *final_pack_name, const char *curr_pack_name, if (!from_stdin) { printf("%s\n", sha1_to_hex(sha1)); } else { - char buf[48]; - int len = snprintf(buf, sizeof(buf), "%s\t%s\n", - report, sha1_to_hex(sha1)); - write_or_die(1, buf, len); + struct strbuf buf = STRBUF_INIT; + + strbuf_addf(&buf, "%s\t%s\n", report, sha1_to_hex(sha1)); + write_or_die(1, buf.buf, buf.len); + strbuf_release(&buf); /* * Let's just mimic git-unpack-objects here and write @@ -1461,6 +1463,10 @@ static void final(const char *final_pack_name, const char *curr_pack_name, input_offset += err; } } + + strbuf_release(&index_name); + strbuf_release(&pack_name); + strbuf_release(&keep_name_buf); } static int git_index_pack_config(const char *k, const char *v, void *cb) @@ -1530,8 +1536,7 @@ static void read_v2_anomalous_offsets(struct packed_git *p, opts->anomaly[opts->anomaly_nr++] = ntohl(idx2[off * 2 + 1]); } - if (1 < opts->anomaly_nr) - qsort(opts->anomaly, opts->anomaly_nr, sizeof(uint32_t), cmp_uint32); + QSORT(opts->anomaly, opts->anomaly_nr, cmp_uint32); } static void read_idx_option(struct pack_idx_option *opts, const char *pack_name) @@ -1714,6 +1719,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) opts.off32_limit = strtoul(c+1, &c, 0); if (*c || opts.off32_limit & 0x80000000) die(_("bad %s"), arg); + } else if (skip_prefix(arg, "--max-input-size=", &arg)) { + max_input_size = strtoumax(arg, NULL, 10); } else usage(index_pack_usage); continue; @@ -1728,6 +1735,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) usage(index_pack_usage); if (fix_thin_pack && !from_stdin) die(_("--fix-thin cannot be used without --stdin")); + if (from_stdin && !startup_info->have_repository) + die(_("--stdin requires a git repository")); if (!index_name && pack_name) index_name = derive_filename(pack_name, ".idx", &index_name_buf); if (keep_msg && !keep_name && pack_name) diff --git a/builtin/init-db.c b/builtin/init-db.c index 3a45f0b..8a6acb0 100644 --- a/builtin/init-db.c +++ b/builtin/init-db.c @@ -22,7 +22,6 @@ static int init_is_bare_repository = 0; static int init_shared_repository = -1; static const char *init_db_template_dir; -static const char *git_link; static void copy_templates_1(struct strbuf *path, struct strbuf *template, DIR *dir) @@ -138,7 +137,7 @@ static void copy_templates(const char *template_dir) goto close_free_return; } - strbuf_addstr(&path, get_git_dir()); + strbuf_addstr(&path, get_git_common_dir()); strbuf_complete(&path, '/'); copy_templates_1(&path, &template_path, dir); close_free_return: @@ -171,7 +170,8 @@ static int needs_work_tree_config(const char *git_dir, const char *work_tree) return 1; } -static int create_default_files(const char *template_path) +static int create_default_files(const char *template_path, + const char *original_git_dir) { struct stat st1; struct strbuf buf = STRBUF_INIT; @@ -180,27 +180,30 @@ static int create_default_files(const char *template_path) char junk[2]; int reinit; int filemode; - - /* - * Create .git/refs/{heads,tags} - */ - safe_create_dir(git_path_buf(&buf, "refs"), 1); - safe_create_dir(git_path_buf(&buf, "refs/heads"), 1); - safe_create_dir(git_path_buf(&buf, "refs/tags"), 1); + struct strbuf err = STRBUF_INIT; /* Just look for `init.templatedir` */ git_config(git_init_db_config, NULL); - /* First copy the templates -- we might have the default + /* + * First copy the templates -- we might have the default * config file there, in which case we would want to read * from it after installing. + * + * Before reading that config, we also need to clear out any cached + * values (since we've just potentially changed what's available on + * disk). */ copy_templates(template_path); - + git_config_clear(); + reset_shared_repository(); git_config(git_default_config, NULL); - is_bare_repository_cfg = init_is_bare_repository; - /* reading existing config may have overwrote it */ + /* + * We must make sure command-line options continue to override any + * values we might have just re-read from the config. + */ + is_bare_repository_cfg = init_is_bare_repository; if (init_shared_repository != -1) set_shared_repository(init_shared_repository); @@ -210,12 +213,19 @@ static int create_default_files(const char *template_path) */ if (get_shared_repository()) { adjust_shared_perm(get_git_dir()); - adjust_shared_perm(git_path_buf(&buf, "refs")); - adjust_shared_perm(git_path_buf(&buf, "refs/heads")); - adjust_shared_perm(git_path_buf(&buf, "refs/tags")); } /* + * We need to create a "refs" dir in any case so that older + * versions of git can tell that this is a repository. + */ + safe_create_dir(git_path("refs"), 1); + adjust_shared_perm(git_path("refs")); + + if (refs_init_db(&err)) + die("failed to set up refs db: %s", err.buf); + + /* * Create the default symlink from ".git/HEAD" to the "master" * branch, if it does not exist yet. */ @@ -252,9 +262,9 @@ static int create_default_files(const char *template_path) const char *work_tree = get_git_work_tree(); git_config_set("core.bare", "false"); /* allow template config file to override the default */ - if (log_all_ref_updates == -1) + if (log_all_ref_updates == LOG_REFS_UNSET) git_config_set("core.logallrefupdates", "true"); - if (needs_work_tree_config(get_git_dir(), work_tree)) + if (needs_work_tree_config(original_git_dir, work_tree)) git_config_set("core.worktree", work_tree); } @@ -302,34 +312,7 @@ static void create_object_directory(void) strbuf_release(&path); } -int set_git_dir_init(const char *git_dir, const char *real_git_dir, - int exist_ok) -{ - if (real_git_dir) { - struct stat st; - - if (!exist_ok && !stat(git_dir, &st)) - die(_("%s already exists"), git_dir); - - if (!exist_ok && !stat(real_git_dir, &st)) - die(_("%s already exists"), real_git_dir); - - /* - * make sure symlinks are resolved because we'll be - * moving the target repo later on in separate_git_dir() - */ - git_link = xstrdup(real_path(git_dir)); - set_git_dir(real_path(real_git_dir)); - } - else { - set_git_dir(real_path(git_dir)); - git_link = NULL; - } - startup_info->have_repository = 1; - return 0; -} - -static void separate_git_dir(const char *git_dir) +static void separate_git_dir(const char *git_dir, const char *git_link) { struct stat st; @@ -350,13 +333,31 @@ static void separate_git_dir(const char *git_dir) write_file(git_link, "gitdir: %s", git_dir); } -int init_db(const char *template_dir, unsigned int flags) +int init_db(const char *git_dir, const char *real_git_dir, + const char *template_dir, unsigned int flags) { int reinit; - const char *git_dir = get_git_dir(); + int exist_ok = flags & INIT_DB_EXIST_OK; + char *original_git_dir = real_pathdup(git_dir, 1); - if (git_link) - separate_git_dir(git_dir); + if (real_git_dir) { + struct stat st; + + if (!exist_ok && !stat(git_dir, &st)) + die(_("%s already exists"), git_dir); + + if (!exist_ok && !stat(real_git_dir, &st)) + die(_("%s already exists"), real_git_dir); + + set_git_dir(real_path(real_git_dir)); + git_dir = get_git_dir(); + separate_git_dir(git_dir, original_git_dir); + } + else { + set_git_dir(real_path(git_dir)); + git_dir = get_git_dir(); + } + startup_info->have_repository = 1; safe_create_dir(git_dir, 0); @@ -369,7 +370,7 @@ int init_db(const char *template_dir, unsigned int flags) */ check_repository_format(); - reinit = create_default_files(template_dir); + reinit = create_default_files(template_dir, original_git_dir); create_object_directory(); @@ -409,6 +410,7 @@ int init_db(const char *template_dir, unsigned int flags) git_dir, len && git_dir[len-1] != '/' ? "/" : ""); } + free(original_git_dir); return 0; } @@ -487,7 +489,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, init_db_options, init_db_usage, 0); if (real_git_dir && !is_absolute_path(real_git_dir)) - real_git_dir = xstrdup(real_path(real_git_dir)); + real_git_dir = real_pathdup(real_git_dir, 1); if (argc == 1) { int mkdir_tried = 0; @@ -558,7 +560,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) const char *git_dir_parent = strrchr(git_dir, '/'); if (git_dir_parent) { char *rel = xstrndup(git_dir, git_dir_parent - git_dir); - git_work_tree_cfg = xstrdup(real_path(rel)); + git_work_tree_cfg = real_pathdup(rel, 1); free(rel); } if (!git_work_tree_cfg) @@ -576,7 +578,6 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) set_git_work_tree(work_tree); } - set_git_dir_init(git_dir, real_git_dir, 1); - - return init_db(template_dir, flags); + flags |= INIT_DB_EXIST_OK; + return init_db(git_dir, real_git_dir, template_dir, flags); } diff --git a/builtin/log.c b/builtin/log.c index cd9c4a4..b3b10cc 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -52,6 +52,11 @@ struct line_opt_callback_data { struct string_list args; }; +static int auto_decoration_style(void) +{ + return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0; +} + static int parse_decoration_style(const char *var, const char *value) { switch (git_config_maybe_bool(var, value)) { @@ -67,7 +72,7 @@ static int parse_decoration_style(const char *var, const char *value) else if (!strcmp(value, "short")) return DECORATE_SHORT_REFS; else if (!strcmp(value, "auto")) - return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0; + return auto_decoration_style(); return -1; } @@ -405,6 +410,8 @@ static int git_log_config(const char *var, const char *value, void *cb) if (decoration_style < 0) decoration_style = 0; /* maybe warn? */ return 0; + } else { + decoration_style = auto_decoration_style(); } if (!strcmp(var, "log.showroot")) { default_show_root = git_config_bool(var, value); @@ -464,9 +471,9 @@ static void show_tagger(char *buf, int len, struct rev_info *rev) strbuf_release(&out); } -static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, const char *obj_name) +static int show_blob_object(const struct object_id *oid, struct rev_info *rev, const char *obj_name) { - unsigned char sha1c[20]; + struct object_id oidc; struct object_context obj_context; char *buf; unsigned long size; @@ -474,13 +481,13 @@ static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, con fflush(rev->diffopt.file); if (!DIFF_OPT_TOUCHED(&rev->diffopt, ALLOW_TEXTCONV) || !DIFF_OPT_TST(&rev->diffopt, ALLOW_TEXTCONV)) - return stream_blob_to_fd(1, sha1, NULL, 0); + return stream_blob_to_fd(1, oid, NULL, 0); - if (get_sha1_with_context(obj_name, 0, sha1c, &obj_context)) + if (get_sha1_with_context(obj_name, 0, oidc.hash, &obj_context)) die(_("Not a valid object name %s"), obj_name); if (!obj_context.path[0] || - !textconv_object(obj_context.path, obj_context.mode, sha1c, 1, &buf, &size)) - return stream_blob_to_fd(1, sha1, NULL, 0); + !textconv_object(obj_context.path, obj_context.mode, &oidc, 1, &buf, &size)) + return stream_blob_to_fd(1, oid, NULL, 0); if (!buf) die(_("git show %s: bad file"), obj_name); @@ -489,15 +496,15 @@ static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, con return 0; } -static int show_tag_object(const unsigned char *sha1, struct rev_info *rev) +static int show_tag_object(const struct object_id *oid, struct rev_info *rev) { unsigned long size; enum object_type type; - char *buf = read_sha1_file(sha1, &type, &size); + char *buf = read_sha1_file(oid->hash, &type, &size); int offset = 0; if (!buf) - return error(_("Could not read object %s"), sha1_to_hex(sha1)); + return error(_("Could not read object %s"), oid_to_hex(oid)); assert(type == OBJ_TAG); while (offset < size && buf[offset] != '\n') { @@ -574,7 +581,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) const char *name = objects[i].name; switch (o->type) { case OBJ_BLOB: - ret = show_blob_object(o->oid.hash, &rev, name); + ret = show_blob_object(&o->oid, &rev, name); break; case OBJ_TAG: { struct tag *t = (struct tag *)o; @@ -585,7 +592,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), t->tag, diff_get_color_opt(&rev.diffopt, DIFF_RESET)); - ret = show_tag_object(o->oid.hash, &rev); + ret = show_tag_object(&o->oid, &rev); rev.shown_one = 1; if (ret) break; @@ -989,8 +996,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, open_next_file(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet)) return; - log_write_email_headers(rev, head, &pp.subject, &pp.after_subject, - &need_8bit_cte); + log_write_email_headers(rev, head, &pp.after_subject, &need_8bit_cte); for (i = 0; !need_8bit_cte && i < nr; i++) { const char *buf = get_commit_buffer(list[i], NULL); @@ -1005,6 +1011,8 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, msg = body; pp.fmt = CMIT_FMT_EMAIL; pp.date_mode.type = DATE_RFC2822; + pp.rev = rev; + pp.print_email_subject = 1; pp_user_info(&pp, NULL, &sb, committer, encoding); pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte); pp_remainder(&pp, &msg, &sb, 0); @@ -1083,8 +1091,7 @@ static const char *set_outdir(const char *prefix, const char *output_directory) if (!output_directory) return prefix; - return xstrdup(prefix_filename(prefix, outdir_offset, - output_directory)); + return prefix_filename(prefix, output_directory); } static const char * const builtin_format_patch_usage[] = { @@ -1111,6 +1118,11 @@ static int subject_prefix_callback(const struct option *opt, const char *arg, return 0; } +static int rfc_callback(const struct option *opt, const char *arg, int unset) +{ + return subject_prefix_callback(opt, "RFC PATCH", unset); +} + static int numbered_cmdline_opt = 0; static int numbered_callback(const struct option *opt, const char *arg, @@ -1247,11 +1259,11 @@ static struct commit *get_base_commit(const char *base_commit, if (upstream) { struct commit_list *base_list; struct commit *commit; - unsigned char sha1[20]; + struct object_id oid; - if (get_sha1(upstream, sha1)) + if (get_oid(upstream, &oid)) die(_("Failed to resolve '%s' as a valid ref."), upstream); - commit = lookup_commit_or_die(sha1, "upstream base"); + commit = lookup_commit_or_die(oid.hash, "upstream base"); base_list = get_merge_bases_many(commit, total, list); /* There should be one and only one merge base. */ if (!base_list || base_list->next) @@ -1338,15 +1350,15 @@ static void prepare_bases(struct base_tree_info *bases, * and stuff them in bases structure. */ while ((commit = get_revision(&revs)) != NULL) { - unsigned char sha1[20]; + struct object_id oid; struct object_id *patch_id; if (commit->util) continue; - if (commit_patch_id(commit, &diffopt, sha1, 0)) + if (commit_patch_id(commit, &diffopt, oid.hash, 0)) die(_("cannot get patch id")); ALLOC_GROW(bases->patch_id, bases->nr_patch_id + 1, bases->alloc_patch_id); patch_id = bases->patch_id + bases->nr_patch_id; - hashcpy(patch_id->hash, sha1); + oidcpy(patch_id, &oid); bases->nr_patch_id++; } } @@ -1418,6 +1430,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) N_("start numbering patches at <n> instead of 1")), OPT_INTEGER('v', "reroll-count", &reroll_count, N_("mark the series as Nth re-roll")), + { OPTION_CALLBACK, 0, "rfc", &rev, NULL, + N_("Use [RFC PATCH] instead of [PATCH]"), + PARSE_OPT_NOARG | PARSE_OPT_NONEG, rfc_callback }, { OPTION_CALLBACK, 0, "subject-prefix", &rev, N_("prefix"), N_("Use [<prefix>] instead of [PATCH]"), PARSE_OPT_NONEG, subject_prefix_callback }, @@ -1556,7 +1571,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) if (numbered && keep_subject) die (_("-n and -k are mutually exclusive.")); if (keep_subject && subject_prefix) - die (_("--subject-prefix and -k are mutually exclusive.")); + die (_("--subject-prefix/--rfc and -k are mutually exclusive.")); rev.preserve_subject = keep_subject; argc = setup_revisions(argc, argv, &rev, &s_r_opt); @@ -1627,10 +1642,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) check_head = 1; if (check_head) { - unsigned char sha1[20]; + struct object_id oid; const char *ref, *v; ref = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, - sha1, NULL); + oid.hash, NULL); if (ref && skip_prefix(ref, "refs/heads/", &v)) branch_name = xstrdup(v); else @@ -1675,16 +1690,16 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) /* nothing to do */ return 0; total = nr; - if (!keep_subject && auto_number && total > 1) - numbered = 1; - if (numbered) - rev.total = total + start_number - 1; if (cover_letter == -1) { if (config_cover_letter == COVER_AUTO) cover_letter = (total > 1); else cover_letter = (config_cover_letter == COVER_ON); } + if (!keep_subject && auto_number && (total > 1 || cover_letter)) + numbered = 1; + if (numbered) + rev.total = total + start_number - 1; if (!signature) { ; /* --no-signature inhibits all signatures */ @@ -1802,9 +1817,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) static int add_pending_commit(const char *arg, struct rev_info *revs, int flags) { - unsigned char sha1[20]; - if (get_sha1(arg, sha1) == 0) { - struct commit *commit = lookup_commit_reference(sha1); + struct object_id oid; + if (get_oid(arg, &oid) == 0) { + struct commit *commit = lookup_commit_reference(oid.hash); if (commit) { commit->object.flags |= flags; add_pending_object(revs, &commit->object, arg); diff --git a/builtin/ls-files.c b/builtin/ls-files.c index 00ea91a..a6c70db 100644 --- a/builtin/ls-files.c +++ b/builtin/ls-files.c @@ -14,6 +14,8 @@ #include "resolve-undo.h" #include "string-list.h" #include "pathspec.h" +#include "run-command.h" +#include "submodule.h" static int abbrev; static int show_deleted; @@ -28,8 +30,11 @@ static int show_valid_bit; static int line_terminator = '\n'; static int debug_mode; static int show_eol; +static int recurse_submodules; +static struct argv_array submodule_options = ARGV_ARRAY_INIT; static const char *prefix; +static const char *super_prefix; static int max_prefix_len; static int prefix_len; static struct pathspec pathspec; @@ -68,11 +73,24 @@ static void write_eolinfo(const struct cache_entry *ce, const char *path) static void write_name(const char *name) { /* + * Prepend the super_prefix to name to construct the full_name to be + * written. + */ + struct strbuf full_name = STRBUF_INIT; + if (super_prefix) { + strbuf_addstr(&full_name, super_prefix); + strbuf_addstr(&full_name, name); + name = full_name.buf; + } + + /* * With "--full-name", prefix_len=0; this caller needs to pass * an empty string in that case (a NULL is good for ""). */ write_name_quoted_relative(name, prefix_len ? prefix : NULL, stdout, line_terminator); + + strbuf_release(&full_name); } static void show_dir_entry(const char *tag, struct dir_entry *ent) @@ -152,55 +170,124 @@ static void show_killed_files(struct dir_struct *dir) } } +/* + * Compile an argv_array with all of the options supported by --recurse_submodules + */ +static void compile_submodule_options(const char **argv, + const struct dir_struct *dir, + int show_tag) +{ + if (line_terminator == '\0') + argv_array_push(&submodule_options, "-z"); + if (show_tag) + argv_array_push(&submodule_options, "-t"); + if (show_valid_bit) + argv_array_push(&submodule_options, "-v"); + if (show_cached) + argv_array_push(&submodule_options, "--cached"); + if (show_eol) + argv_array_push(&submodule_options, "--eol"); + if (debug_mode) + argv_array_push(&submodule_options, "--debug"); + + /* Add Pathspecs */ + argv_array_push(&submodule_options, "--"); + for (; *argv; argv++) + argv_array_push(&submodule_options, *argv); +} + +/** + * Recursively call ls-files on a submodule + */ +static void show_gitlink(const struct cache_entry *ce) +{ + struct child_process cp = CHILD_PROCESS_INIT; + int status; + char *dir; + + prepare_submodule_repo_env(&cp.env_array); + argv_array_push(&cp.env_array, GIT_DIR_ENVIRONMENT); + + if (prefix_len) + argv_array_pushf(&cp.env_array, "%s=%s", + GIT_TOPLEVEL_PREFIX_ENVIRONMENT, + prefix); + argv_array_pushf(&cp.args, "--super-prefix=%s%s/", + super_prefix ? super_prefix : "", + ce->name); + argv_array_push(&cp.args, "ls-files"); + argv_array_push(&cp.args, "--recurse-submodules"); + + /* add supported options */ + argv_array_pushv(&cp.args, submodule_options.argv); + + cp.git_cmd = 1; + dir = mkpathdup("%s/%s", get_git_work_tree(), ce->name); + cp.dir = dir; + status = run_command(&cp); + free(dir); + if (status) + exit(status); +} + static void show_ce_entry(const char *tag, const struct cache_entry *ce) { + struct strbuf name = STRBUF_INIT; int len = max_prefix_len; + if (super_prefix) + strbuf_addstr(&name, super_prefix); + strbuf_addstr(&name, ce->name); if (len >= ce_namelen(ce)) die("git ls-files: internal error - cache entry not superset of prefix"); - if (!match_pathspec(&pathspec, ce->name, ce_namelen(ce), - len, ps_matched, - S_ISDIR(ce->ce_mode) || S_ISGITLINK(ce->ce_mode))) - return; + if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && + submodule_path_match(&pathspec, name.buf, ps_matched)) { + show_gitlink(ce); + } else if (match_pathspec(&pathspec, name.buf, name.len, + len, ps_matched, + S_ISDIR(ce->ce_mode) || + S_ISGITLINK(ce->ce_mode))) { + if (tag && *tag && show_valid_bit && + (ce->ce_flags & CE_VALID)) { + static char alttag[4]; + memcpy(alttag, tag, 3); + if (isalpha(tag[0])) + alttag[0] = tolower(tag[0]); + else if (tag[0] == '?') + alttag[0] = '!'; + else { + alttag[0] = 'v'; + alttag[1] = tag[0]; + alttag[2] = ' '; + alttag[3] = 0; + } + tag = alttag; + } - if (tag && *tag && show_valid_bit && - (ce->ce_flags & CE_VALID)) { - static char alttag[4]; - memcpy(alttag, tag, 3); - if (isalpha(tag[0])) - alttag[0] = tolower(tag[0]); - else if (tag[0] == '?') - alttag[0] = '!'; - else { - alttag[0] = 'v'; - alttag[1] = tag[0]; - alttag[2] = ' '; - alttag[3] = 0; + if (!show_stage) { + fputs(tag, stdout); + } else { + printf("%s%06o %s %d\t", + tag, + ce->ce_mode, + find_unique_abbrev(ce->oid.hash, abbrev), + ce_stage(ce)); + } + write_eolinfo(ce, ce->name); + write_name(ce->name); + if (debug_mode) { + const struct stat_data *sd = &ce->ce_stat_data; + + printf(" ctime: %d:%d\n", sd->sd_ctime.sec, sd->sd_ctime.nsec); + printf(" mtime: %d:%d\n", sd->sd_mtime.sec, sd->sd_mtime.nsec); + printf(" dev: %d\tino: %d\n", sd->sd_dev, sd->sd_ino); + printf(" uid: %d\tgid: %d\n", sd->sd_uid, sd->sd_gid); + printf(" size: %d\tflags: %x\n", sd->sd_size, ce->ce_flags); } - tag = alttag; } - if (!show_stage) { - fputs(tag, stdout); - } else { - printf("%s%06o %s %d\t", - tag, - ce->ce_mode, - find_unique_abbrev(ce->sha1,abbrev), - ce_stage(ce)); - } - write_eolinfo(ce, ce->name); - write_name(ce->name); - if (debug_mode) { - const struct stat_data *sd = &ce->ce_stat_data; - - printf(" ctime: %d:%d\n", sd->sd_ctime.sec, sd->sd_ctime.nsec); - printf(" mtime: %d:%d\n", sd->sd_mtime.sec, sd->sd_mtime.nsec); - printf(" dev: %d\tino: %d\n", sd->sd_dev, sd->sd_ino); - printf(" uid: %d\tgid: %d\n", sd->sd_uid, sd->sd_gid); - printf(" size: %d\tflags: %x\n", sd->sd_size, ce->ce_flags); - } + strbuf_release(&name); } static void show_ru_info(void) @@ -290,28 +377,30 @@ static void show_files(struct dir_struct *dir) /* * Prune the index to only contain stuff starting with "prefix" */ -static void prune_cache(const char *prefix) +static void prune_cache(const char *prefix, size_t prefixlen) { - int pos = cache_name_pos(prefix, max_prefix_len); + int pos; unsigned int first, last; + if (!prefix) + return; + pos = cache_name_pos(prefix, prefixlen); if (pos < 0) pos = -pos-1; - memmove(active_cache, active_cache + pos, - (active_nr - pos) * sizeof(struct cache_entry *)); - active_nr -= pos; - first = 0; + first = pos; last = active_nr; while (last > first) { int next = (last + first) >> 1; const struct cache_entry *ce = active_cache[next]; - if (!strncmp(ce->name, prefix, max_prefix_len)) { + if (!strncmp(ce->name, prefix, prefixlen)) { first = next+1; continue; } last = next; } - active_nr = last; + memmove(active_cache, active_cache + pos, + (last - pos) * sizeof(struct cache_entry *)); + active_nr = last - pos; } /* @@ -468,6 +557,8 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) { OPTION_SET_INT, 0, "full-name", &prefix_len, NULL, N_("make the output relative to the project top directory"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL }, + OPT_BOOL(0, "recurse-submodules", &recurse_submodules, + N_("recurse through submodules")), OPT_BOOL(0, "error-unmatch", &error_unmatch, N_("if any <file> is not in the index, treat this as an error")), OPT_STRING(0, "with-tree", &with_tree, N_("tree-ish"), @@ -484,6 +575,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) prefix = cmd_prefix; if (prefix) prefix_len = strlen(prefix); + super_prefix = get_super_prefix(); git_config(git_default_config, NULL); if (read_cache() < 0) @@ -519,13 +611,32 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) if (require_work_tree && !is_inside_work_tree()) setup_work_tree(); + if (recurse_submodules) + compile_submodule_options(argv, &dir, show_tag); + + if (recurse_submodules && + (show_stage || show_deleted || show_others || show_unmerged || + show_killed || show_modified || show_resolve_undo || with_tree)) + die("ls-files --recurse-submodules unsupported mode"); + + if (recurse_submodules && error_unmatch) + die("ls-files --recurse-submodules does not support " + "--error-unmatch"); + parse_pathspec(&pathspec, 0, PATHSPEC_PREFER_CWD | PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP, prefix, argv); - /* Find common prefix for all pathspec's */ - max_prefix = common_prefix(&pathspec); + /* + * Find common prefix for all pathspec's + * This is used as a performance optimization which unfortunately cannot + * be done when recursing into submodules + */ + if (recurse_submodules) + max_prefix = NULL; + else + max_prefix = common_prefix(&pathspec); max_prefix_len = max_prefix ? strlen(max_prefix) : 0; /* Treat unmatching pathspec elements as errors */ @@ -540,8 +651,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) show_killed || show_modified || show_resolve_undo)) show_cached = 1; - if (max_prefix) - prune_cache(max_prefix); + prune_cache(max_prefix, max_prefix_len); if (with_tree) { /* * Basic sanity check; show-stages and show-unmerged diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c index 66cdd45..b2d7d5c 100644 --- a/builtin/ls-remote.c +++ b/builtin/ls-remote.c @@ -17,17 +17,19 @@ static const char * const ls_remote_usage[] = { static int tail_match(const char **pattern, const char *path) { const char *p; - char pathbuf[PATH_MAX]; + char *pathbuf; if (!pattern) return 1; /* no restriction */ - if (snprintf(pathbuf, sizeof(pathbuf), "/%s", path) > sizeof(pathbuf)) - return error("insanely long ref %.*s...", 20, path); + pathbuf = xstrfmt("/%s", path); while ((p = *(pattern++)) != NULL) { - if (!wildmatch(p, pathbuf, 0, NULL)) + if (!wildmatch(p, pathbuf, 0, NULL)) { + free(pathbuf); return 1; + } } + free(pathbuf); return 0; } diff --git a/builtin/ls-tree.c b/builtin/ls-tree.c index 0e30d86..d7ebeb4 100644 --- a/builtin/ls-tree.c +++ b/builtin/ls-tree.c @@ -31,21 +31,18 @@ static const char * const ls_tree_usage[] = { static int show_recursive(const char *base, int baselen, const char *pathname) { - const char **s; + int i; if (ls_options & LS_RECURSIVE) return 1; - s = pathspec._raw; - if (!s) + if (!pathspec.nr) return 0; - for (;;) { - const char *spec = *s++; + for (i = 0; i < pathspec.nr; i++) { + const char *spec = pathspec.items[i].match; int len, speclen; - if (!spec) - return 0; if (strncmp(base, spec, baselen)) continue; len = strlen(pathname); @@ -59,6 +56,7 @@ static int show_recursive(const char *base, int baselen, const char *pathname) continue; return 1; } + return 0; } static int show_tree(const unsigned char *sha1, struct strbuf *base, @@ -175,8 +173,8 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) * cannot be lifted until it is converted to use * match_pathspec() or tree_entry_interesting() */ - parse_pathspec(&pathspec, PATHSPEC_GLOB | PATHSPEC_ICASE | - PATHSPEC_EXCLUDE, + parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC & + ~(PATHSPEC_FROMTOP | PATHSPEC_LITERAL), PATHSPEC_PREFER_CWD, prefix, argv + 1); for (i = 0; i < pathspec.nr; i++) diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c index f6df274..cfb667a 100644 --- a/builtin/mailinfo.c +++ b/builtin/mailinfo.c @@ -16,10 +16,8 @@ int cmd_mailinfo(int argc, const char **argv, const char *prefix) const char *def_charset; struct mailinfo mi; int status; + char *msgfile, *patchfile; - /* NEEDSWORK: might want to do the optional .git/ directory - * discovery - */ setup_mailinfo(&mi); def_charset = get_commit_output_encoding(); @@ -54,8 +52,14 @@ int cmd_mailinfo(int argc, const char **argv, const char *prefix) mi.input = stdin; mi.output = stdout; - status = !!mailinfo(&mi, argv[1], argv[2]); + + msgfile = prefix_filename(prefix, argv[1]); + patchfile = prefix_filename(prefix, argv[2]); + + status = !!mailinfo(&mi, msgfile, patchfile); clear_mailinfo(&mi); + free(msgfile); + free(patchfile); return status; } diff --git a/builtin/merge-base.c b/builtin/merge-base.c index b572a37..cfe2a79 100644 --- a/builtin/merge-base.c +++ b/builtin/merge-base.c @@ -36,12 +36,12 @@ static const char * const merge_base_usage[] = { static struct commit *get_commit_reference(const char *arg) { - unsigned char revkey[20]; + struct object_id revkey; struct commit *r; - if (get_sha1(arg, revkey)) + if (get_oid(arg, &revkey)) die("Not a valid object name %s", arg); - r = lookup_commit_reference(revkey); + r = lookup_commit_reference(revkey.hash); if (!r) die("Not a valid commit name %s", arg); @@ -113,14 +113,14 @@ struct rev_collect { unsigned int initial : 1; }; -static void add_one_commit(unsigned char *sha1, struct rev_collect *revs) +static void add_one_commit(struct object_id *oid, struct rev_collect *revs) { struct commit *commit; - if (is_null_sha1(sha1)) + if (is_null_oid(oid)) return; - commit = lookup_commit(sha1); + commit = lookup_commit(oid->hash); if (!commit || (commit->object.flags & TMP_MARK) || parse_commit(commit)) @@ -131,7 +131,7 @@ static void add_one_commit(unsigned char *sha1, struct rev_collect *revs) commit->object.flags |= TMP_MARK; } -static int collect_one_reflog_ent(unsigned char *osha1, unsigned char *nsha1, +static int collect_one_reflog_ent(struct object_id *ooid, struct object_id *noid, const char *ident, unsigned long timestamp, int tz, const char *message, void *cbdata) { @@ -139,15 +139,15 @@ static int collect_one_reflog_ent(unsigned char *osha1, unsigned char *nsha1, if (revs->initial) { revs->initial = 0; - add_one_commit(osha1, revs); + add_one_commit(ooid, revs); } - add_one_commit(nsha1, revs); + add_one_commit(noid, revs); return 0; } static int handle_fork_point(int argc, const char **argv) { - unsigned char sha1[20]; + struct object_id oid; char *refname; const char *commitname; struct rev_collect revs; @@ -155,7 +155,7 @@ static int handle_fork_point(int argc, const char **argv) struct commit_list *bases; int i, ret = 0; - switch (dwim_ref(argv[0], strlen(argv[0]), sha1, &refname)) { + switch (dwim_ref(argv[0], strlen(argv[0]), oid.hash, &refname)) { case 0: die("No such ref: '%s'", argv[0]); case 1: @@ -165,16 +165,16 @@ static int handle_fork_point(int argc, const char **argv) } commitname = (argc == 2) ? argv[1] : "HEAD"; - if (get_sha1(commitname, sha1)) + if (get_oid(commitname, &oid)) die("Not a valid object name: '%s'", commitname); - derived = lookup_commit_reference(sha1); + derived = lookup_commit_reference(oid.hash); memset(&revs, 0, sizeof(revs)); revs.initial = 1; for_each_reflog_ent(refname, collect_one_reflog_ent, &revs); - if (!revs.nr && !get_sha1(refname, sha1)) - add_one_commit(sha1, &revs); + if (!revs.nr && !get_oid(refname, &oid)) + add_one_commit(&oid, &revs); for (i = 0; i < revs.nr; i++) revs.commit[i]->object.flags &= ~TMP_MARK; diff --git a/builtin/merge-file.c b/builtin/merge-file.c index 13e22a2..47dde7c 100644 --- a/builtin/merge-file.c +++ b/builtin/merge-file.c @@ -28,7 +28,6 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix) xmparam_t xmp = {{0}}; int ret = 0, i = 0, to_stdout = 0; int quiet = 0; - int prefixlen = 0; struct option options[] = { OPT_BOOL('p', "stdout", &to_stdout, N_("send results to standard output")), OPT_SET_INT(0, "diff3", &xmp.style, N_("use a diff3 based merge"), XDL_MERGE_DIFF3), @@ -65,15 +64,19 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix) return error_errno("failed to redirect stderr to /dev/null"); } - if (prefix) - prefixlen = strlen(prefix); - for (i = 0; i < 3; i++) { - const char *fname = prefix_filename(prefix, prefixlen, argv[i]); + char *fname; + int ret; + if (!names[i]) names[i] = argv[i]; - if (read_mmfile(mmfs + i, fname)) + + fname = prefix_filename(prefix, argv[i]); + ret = read_mmfile(mmfs + i, fname); + free(fname); + if (ret) return -1; + if (mmfs[i].size > MAX_XDIFF_SIZE || buffer_is_binary(mmfs[i].ptr, mmfs[i].size)) return error("Cannot merge binary files: %s", @@ -90,7 +93,7 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix) if (ret >= 0) { const char *filename = argv[0]; - const char *fpath = prefix_filename(prefix, prefixlen, argv[0]); + char *fpath = prefix_filename(prefix, argv[0]); FILE *f = to_stdout ? stdout : fopen(fpath, "wb"); if (!f) @@ -102,6 +105,7 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix) else if (fclose(f)) ret = error_errno("Could not close %s", filename); free(result.ptr); + free(fpath); } if (ret > 127) diff --git a/builtin/merge-index.c b/builtin/merge-index.c index 1c3427c..c99443b 100644 --- a/builtin/merge-index.c +++ b/builtin/merge-index.c @@ -9,7 +9,7 @@ static int merge_entry(int pos, const char *path) { int found; const char *arguments[] = { pgm, "", "", "", path, "", "", "", NULL }; - char hexbuf[4][GIT_SHA1_HEXSZ + 1]; + char hexbuf[4][GIT_MAX_HEXSZ + 1]; char ownbuf[4][60]; if (pos >= active_nr) @@ -22,7 +22,7 @@ static int merge_entry(int pos, const char *path) if (strcmp(ce->name, path)) break; found++; - sha1_to_hex_r(hexbuf[stage], ce->sha1); + oid_to_hex_r(hexbuf[stage], &ce->oid); xsnprintf(ownbuf[stage], sizeof(ownbuf[stage]), "%o", ce->ce_mode); arguments[stage] = hexbuf[stage]; arguments[stage + 4] = ownbuf[stage]; diff --git a/builtin/merge-recursive.c b/builtin/merge-recursive.c index fd2c455..0dd9021 100644 --- a/builtin/merge-recursive.c +++ b/builtin/merge-recursive.c @@ -42,36 +42,39 @@ int cmd_merge_recursive(int argc, const char **argv, const char *prefix) if (!arg[2]) break; if (parse_merge_opt(&o, arg + 2)) - die("Unknown option %s", arg); + die(_("unknown option %s"), arg); continue; } if (bases_count < ARRAY_SIZE(bases)-1) { struct object_id *oid = xmalloc(sizeof(struct object_id)); if (get_oid(argv[i], oid)) - die("Could not parse object '%s'", argv[i]); + die(_("could not parse object '%s'"), argv[i]); bases[bases_count++] = oid; } else - warning("Cannot handle more than %d bases. " - "Ignoring %s.", + warning(Q_("cannot handle more than %d base. " + "Ignoring %s.", + "cannot handle more than %d bases. " + "Ignoring %s.", + (int)ARRAY_SIZE(bases)-1), (int)ARRAY_SIZE(bases)-1, argv[i]); } if (argc - i != 3) /* "--" "<head>" "<remote>" */ - die("Not handling anything other than two heads merge."); + die(_("not handling anything other than two heads merge.")); o.branch1 = argv[++i]; o.branch2 = argv[++i]; if (get_oid(o.branch1, &h1)) - die("Could not resolve ref '%s'", o.branch1); + die(_("could not resolve ref '%s'"), o.branch1); if (get_oid(o.branch2, &h2)) - die("Could not resolve ref '%s'", o.branch2); + die(_("could not resolve ref '%s'"), o.branch2); o.branch1 = better_branch_name(o.branch1); o.branch2 = better_branch_name(o.branch2); if (o.verbosity >= 3) - printf("Merging %s with %s\n", o.branch1, o.branch2); + printf(_("Merging %s with %s\n"), o.branch1, o.branch2); failed = merge_recursive_generic(&o, &h1, &h2, bases_count, bases, &result); if (failed < 0) diff --git a/builtin/merge.c b/builtin/merge.c index a8b57c7..703827f 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -44,8 +44,8 @@ struct strategy { static const char * const builtin_merge_usage[] = { N_("git merge [<options>] [<commit>...]"), - N_("git merge [<options>] <msg> HEAD <commit>"), N_("git merge --abort"), + N_("git merge --continue"), NULL }; @@ -65,6 +65,7 @@ static int option_renormalize; static int verbosity; static int allow_rerere_auto; static int abort_current_merge; +static int continue_current_merge; static int allow_unrelated_histories; static int show_progress = -1; static int default_to_upstream = 1; @@ -223,6 +224,8 @@ static struct option builtin_merge_options[] = { OPT__VERBOSITY(&verbosity), OPT_BOOL(0, "abort", &abort_current_merge, N_("abort the current in-progress merge")), + OPT_BOOL(0, "continue", &continue_current_merge, + N_("continue the current in-progress merge")), OPT_BOOL(0, "allow-unrelated-histories", &allow_unrelated_histories, N_("allow merging unrelated histories")), OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1), @@ -240,7 +243,7 @@ static void drop_save(void) unlink(git_path_merge_mode()); } -static int save_state(unsigned char *stash) +static int save_state(struct object_id *stash) { int len; struct child_process cp = CHILD_PROCESS_INIT; @@ -261,7 +264,7 @@ static int save_state(unsigned char *stash) else if (!len) /* no changes */ return -1; strbuf_setlen(&buffer, buffer.len-1); - if (get_sha1(buffer.buf, stash)) + if (get_oid(buffer.buf, stash)) die(_("not a valid object: %s"), buffer.buf); return 0; } @@ -301,18 +304,18 @@ static void reset_hard(unsigned const char *sha1, int verbose) die(_("read-tree failed")); } -static void restore_state(const unsigned char *head, - const unsigned char *stash) +static void restore_state(const struct object_id *head, + const struct object_id *stash) { struct strbuf sb = STRBUF_INIT; const char *args[] = { "stash", "apply", NULL, NULL }; - if (is_null_sha1(stash)) + if (is_null_oid(stash)) return; - reset_hard(head, 1); + reset_hard(head->hash, 1); - args[2] = sha1_to_hex(stash); + args[2] = oid_to_hex(stash); /* * It is OK to ignore error here, for example when there was @@ -372,10 +375,10 @@ static void squash_message(struct commit *commit, struct commit_list *remotehead static void finish(struct commit *head_commit, struct commit_list *remoteheads, - const unsigned char *new_head, const char *msg) + const struct object_id *new_head, const char *msg) { struct strbuf reflog_message = STRBUF_INIT; - const unsigned char *head = head_commit->object.oid.hash; + const struct object_id *head = &head_commit->object.oid; if (!msg) strbuf_addstr(&reflog_message, getenv("GIT_REFLOG_ACTION")); @@ -393,7 +396,7 @@ static void finish(struct commit *head_commit, else { const char *argv_gc_auto[] = { "gc", "--auto", NULL }; update_ref(reflog_message.buf, "HEAD", - new_head, head, 0, + new_head->hash, head->hash, 0, UPDATE_REFS_DIE_ON_ERR); /* * We ignore errors in 'gc --auto', since the @@ -412,7 +415,7 @@ static void finish(struct commit *head_commit, DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT; opts.detect_rename = DIFF_DETECT_RENAME; diff_setup_done(&opts); - diff_tree_sha1(head, new_head, "", &opts); + diff_tree_sha1(head->hash, new_head->hash, "", &opts); diffcore_std(&opts); diff_flush(&opts); } @@ -427,35 +430,35 @@ static void finish(struct commit *head_commit, static void merge_name(const char *remote, struct strbuf *msg) { struct commit *remote_head; - unsigned char branch_head[20]; + struct object_id branch_head; struct strbuf buf = STRBUF_INIT; struct strbuf bname = STRBUF_INIT; const char *ptr; char *found_ref; int len, early; - strbuf_branchname(&bname, remote); + strbuf_branchname(&bname, remote, 0); remote = bname.buf; - memset(branch_head, 0, sizeof(branch_head)); + oidclr(&branch_head); remote_head = get_merge_parent(remote); if (!remote_head) die(_("'%s' does not point to a commit"), remote); - if (dwim_ref(remote, strlen(remote), branch_head, &found_ref) > 0) { + if (dwim_ref(remote, strlen(remote), branch_head.hash, &found_ref) > 0) { if (starts_with(found_ref, "refs/heads/")) { strbuf_addf(msg, "%s\t\tbranch '%s' of .\n", - sha1_to_hex(branch_head), remote); + oid_to_hex(&branch_head), remote); goto cleanup; } if (starts_with(found_ref, "refs/tags/")) { strbuf_addf(msg, "%s\t\ttag '%s' of .\n", - sha1_to_hex(branch_head), remote); + oid_to_hex(&branch_head), remote); goto cleanup; } if (starts_with(found_ref, "refs/remotes/")) { strbuf_addf(msg, "%s\t\tremote-tracking branch '%s' of .\n", - sha1_to_hex(branch_head), remote); + oid_to_hex(&branch_head), remote); goto cleanup; } } @@ -586,8 +589,8 @@ static int git_merge_config(const char *k, const char *v, void *cb) return git_diff_ui_config(k, v, cb); } -static int read_tree_trivial(unsigned char *common, unsigned char *head, - unsigned char *one) +static int read_tree_trivial(struct object_id *common, struct object_id *head, + struct object_id *one) { int i, nr_trees = 0; struct tree *trees[MAX_UNPACK_TREES]; @@ -602,13 +605,13 @@ static int read_tree_trivial(unsigned char *common, unsigned char *head, opts.verbose_update = 1; opts.trivial_merges_only = 1; opts.merge = 1; - trees[nr_trees] = parse_tree_indirect(common); + trees[nr_trees] = parse_tree_indirect(common->hash); if (!trees[nr_trees++]) return -1; - trees[nr_trees] = parse_tree_indirect(head); + trees[nr_trees] = parse_tree_indirect(head->hash); if (!trees[nr_trees++]) return -1; - trees[nr_trees] = parse_tree_indirect(one); + trees[nr_trees] = parse_tree_indirect(one->hash); if (!trees[nr_trees++]) return -1; opts.fn = threeway_merge; @@ -622,19 +625,20 @@ static int read_tree_trivial(unsigned char *common, unsigned char *head, return 0; } -static void write_tree_trivial(unsigned char *sha1) +static void write_tree_trivial(struct object_id *oid) { - if (write_cache_as_tree(sha1, 0, NULL)) + if (write_cache_as_tree(oid->hash, 0, NULL)) die(_("git write-tree failed to write a tree")); } static int try_merge_strategy(const char *strategy, struct commit_list *common, struct commit_list *remoteheads, - struct commit *head, const char *head_arg) + struct commit *head) { static struct lock_file lock; + const char *head_arg = "HEAD"; - hold_locked_index(&lock, 1); + hold_locked_index(&lock, LOCK_DIE_ON_ERROR); refresh_cache(REFRESH_QUIET); if (active_cache_changed && write_locked_index(&the_index, &lock, COMMIT_LOCK)) @@ -671,7 +675,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, for (j = common; j; j = j->next) commit_list_insert(j->item, &reversed); - hold_locked_index(&lock, 1); + hold_locked_index(&lock, LOCK_DIE_ON_ERROR); clean = merge_recursive(&o, head, remoteheads->item, reversed, &result); if (clean < 0) @@ -777,26 +781,26 @@ static void prepare_to_commit(struct commit_list *remoteheads) static int merge_trivial(struct commit *head, struct commit_list *remoteheads) { - unsigned char result_tree[20], result_commit[20]; + struct object_id result_tree, result_commit; struct commit_list *parents, **pptr = &parents; static struct lock_file lock; - hold_locked_index(&lock, 1); + hold_locked_index(&lock, LOCK_DIE_ON_ERROR); refresh_cache(REFRESH_QUIET); if (active_cache_changed && write_locked_index(&the_index, &lock, COMMIT_LOCK)) return error(_("Unable to write index.")); rollback_lock_file(&lock); - write_tree_trivial(result_tree); + write_tree_trivial(&result_tree); printf(_("Wonderful.\n")); pptr = commit_list_append(head, pptr); pptr = commit_list_append(remoteheads->item, pptr); prepare_to_commit(remoteheads); - if (commit_tree(merge_msg.buf, merge_msg.len, result_tree, parents, - result_commit, NULL, sign_commit)) + if (commit_tree(merge_msg.buf, merge_msg.len, result_tree.hash, parents, + result_commit.hash, NULL, sign_commit)) die(_("failed to write commit object")); - finish(head, remoteheads, result_commit, "In-index merge"); + finish(head, remoteheads, &result_commit, "In-index merge"); drop_save(); return 0; } @@ -805,12 +809,12 @@ static int finish_automerge(struct commit *head, int head_subsumed, struct commit_list *common, struct commit_list *remoteheads, - unsigned char *result_tree, + struct object_id *result_tree, const char *wt_strategy) { struct commit_list *parents = NULL; struct strbuf buf = STRBUF_INIT; - unsigned char result_commit[20]; + struct object_id result_commit; free_commit_list(common); parents = remoteheads; @@ -818,11 +822,11 @@ static int finish_automerge(struct commit *head, commit_list_insert(head, &parents); strbuf_addch(&merge_msg, '\n'); prepare_to_commit(remoteheads); - if (commit_tree(merge_msg.buf, merge_msg.len, result_tree, parents, - result_commit, NULL, sign_commit)) + if (commit_tree(merge_msg.buf, merge_msg.len, result_tree->hash, parents, + result_commit.hash, NULL, sign_commit)) die(_("failed to write commit object")); strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy); - finish(head, remoteheads, result_commit, buf.buf); + finish(head, remoteheads, &result_commit, buf.buf); strbuf_release(&buf); drop_save(); return 0; @@ -849,24 +853,6 @@ static int suggest_conflicts(void) return 1; } -static struct commit *is_old_style_invocation(int argc, const char **argv, - const unsigned char *head) -{ - struct commit *second_token = NULL; - if (argc > 2) { - unsigned char second_sha1[20]; - - if (get_sha1(argv[1], second_sha1)) - return NULL; - second_token = lookup_commit_reference_gently(second_sha1, 0); - if (!second_token) - die(_("'%s' is not a commit"), argv[1]); - if (hashcmp(second_token->object.oid.hash, head)) - return NULL; - } - return second_token; -} - static int evaluate_result(void) { int cnt = 0; @@ -1034,7 +1020,7 @@ static void handle_fetch_head(struct commit_list **remotes, struct strbuf *merge die_errno(_("could not close '%s'"), filename); for (pos = 0; pos < merge_names->len; pos = npos) { - unsigned char sha1[20]; + struct object_id oid; char *ptr; struct commit *commit; @@ -1044,16 +1030,16 @@ static void handle_fetch_head(struct commit_list **remotes, struct strbuf *merge else npos = merge_names->len; - if (npos - pos < 40 + 2 || - get_sha1_hex(merge_names->buf + pos, sha1)) + if (npos - pos < GIT_SHA1_HEXSZ + 2 || + get_oid_hex(merge_names->buf + pos, &oid)) commit = NULL; /* bad */ - else if (memcmp(merge_names->buf + pos + 40, "\t\t", 2)) + else if (memcmp(merge_names->buf + pos + GIT_SHA1_HEXSZ, "\t\t", 2)) continue; /* not-for-merge */ else { - char saved = merge_names->buf[pos + 40]; - merge_names->buf[pos + 40] = '\0'; + char saved = merge_names->buf[pos + GIT_SHA1_HEXSZ]; + merge_names->buf[pos + GIT_SHA1_HEXSZ] = '\0'; commit = get_merge_parent(merge_names->buf + pos); - merge_names->buf[pos + 40] = saved; + merge_names->buf[pos + GIT_SHA1_HEXSZ] = saved; } if (!commit) { if (ptr) @@ -1113,18 +1099,16 @@ static struct commit_list *collect_parents(struct commit *head_commit, int cmd_merge(int argc, const char **argv, const char *prefix) { - unsigned char result_tree[20]; - unsigned char stash[20]; - unsigned char head_sha1[20]; + struct object_id result_tree, stash, head_oid; struct commit *head_commit; struct strbuf buf = STRBUF_INIT; - const char *head_arg; int i, ret = 0, head_subsumed; int best_cnt = -1, merge_was_ok = 0, automerge_was_ok = 0; struct commit_list *common = NULL; const char *best_strategy = NULL, *wt_strategy = NULL; struct commit_list *remoteheads, *p; void *branch_to_free; + int orig_argc = argc; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_merge_usage, builtin_merge_options); @@ -1133,13 +1117,13 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * Check if we are _not_ on a detached HEAD, i.e. if there is a * current branch. */ - branch = branch_to_free = resolve_refdup("HEAD", 0, head_sha1, NULL); + branch = branch_to_free = resolve_refdup("HEAD", 0, head_oid.hash, NULL); if (branch && starts_with(branch, "refs/heads/")) branch += 11; - if (!branch || is_null_sha1(head_sha1)) + if (!branch || is_null_oid(&head_oid)) head_commit = NULL; else - head_commit = lookup_commit_or_die(head_sha1, "HEAD"); + head_commit = lookup_commit_or_die(head_oid.hash, "HEAD"); init_diff_ui_defaults(); git_config(git_merge_config, NULL); @@ -1158,6 +1142,10 @@ int cmd_merge(int argc, const char **argv, const char *prefix) int nargc = 2; const char *nargv[] = {"reset", "--merge", NULL}; + if (orig_argc != 2) + usage_msg_opt(_("--abort expects no arguments"), + builtin_merge_usage, builtin_merge_options); + if (!file_exists(git_path_merge_head())) die(_("There is no merge to abort (MERGE_HEAD missing).")); @@ -1166,6 +1154,22 @@ int cmd_merge(int argc, const char **argv, const char *prefix) goto done; } + if (continue_current_merge) { + int nargc = 1; + const char *nargv[] = {"commit", NULL}; + + if (orig_argc != 2) + usage_msg_opt(_("--continue expects no arguments"), + builtin_merge_usage, builtin_merge_options); + + if (!file_exists(git_path_merge_head())) + die(_("There is no merge in progress (MERGE_HEAD missing).")); + + /* Invoke 'git commit' */ + ret = cmd_commit(nargc, nargv, prefix); + goto done; + } + if (read_cache_unmerged()) die_resolve_conflict("merge"); @@ -1217,7 +1221,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * to forbid "git merge" into a branch yet to be born. * We do the same for "git pull". */ - unsigned char *remote_head_sha1; + struct object_id *remote_head_oid; if (squash) die(_("Squash commit into empty head not supported yet")); if (fast_forward == FF_NO) @@ -1229,42 +1233,20 @@ int cmd_merge(int argc, const char **argv, const char *prefix) die(_("%s - not something we can merge"), argv[0]); if (remoteheads->next) die(_("Can merge only exactly one commit into empty head")); - remote_head_sha1 = remoteheads->item->object.oid.hash; - read_empty(remote_head_sha1, 0); - update_ref("initial pull", "HEAD", remote_head_sha1, + remote_head_oid = &remoteheads->item->object.oid; + read_empty(remote_head_oid->hash, 0); + update_ref("initial pull", "HEAD", remote_head_oid->hash, NULL, 0, UPDATE_REFS_DIE_ON_ERR); goto done; } /* - * This could be traditional "merge <msg> HEAD <commit>..." and - * the way we can tell it is to see if the second token is HEAD, - * but some people might have misused the interface and used a - * commit-ish that is the same as HEAD there instead. - * Traditional format never would have "-m" so it is an - * additional safety measure to check for it. + * All the rest are the commits being merged; prepare + * the standard merge summary message to be appended + * to the given message. */ - if (!have_message && - is_old_style_invocation(argc, argv, head_commit->object.oid.hash)) { - warning("old-style 'git merge <msg> HEAD <commit>' is deprecated."); - strbuf_addstr(&merge_msg, argv[0]); - head_arg = argv[1]; - argv += 2; - argc -= 2; - remoteheads = collect_parents(head_commit, &head_subsumed, - argc, argv, NULL); - } else { - /* We are invoked directly as the first-class UI. */ - head_arg = "HEAD"; - - /* - * All the rest are the commits being merged; prepare - * the standard merge summary message to be appended - * to the given message. - */ - remoteheads = collect_parents(head_commit, &head_subsumed, - argc, argv, &merge_msg); - } + remoteheads = collect_parents(head_commit, &head_subsumed, + argc, argv, &merge_msg); if (!head_commit || !argc) usage_with_options(builtin_merge_usage, @@ -1273,7 +1255,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (verify_signatures) { for (p = remoteheads; p; p = p->next) { struct commit *commit = p->item; - char hex[GIT_SHA1_HEXSZ + 1]; + char hex[GIT_MAX_HEXSZ + 1]; struct signature_check signature_check; memset(&signature_check, 0, sizeof(signature_check)); @@ -1374,12 +1356,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix) struct commit *commit; if (verbosity >= 0) { - char from[GIT_SHA1_HEXSZ + 1], to[GIT_SHA1_HEXSZ + 1]; - find_unique_abbrev_r(from, head_commit->object.oid.hash, - DEFAULT_ABBREV); - find_unique_abbrev_r(to, remoteheads->item->object.oid.hash, - DEFAULT_ABBREV); - printf(_("Updating %s..%s\n"), from, to); + printf(_("Updating %s..%s\n"), + find_unique_abbrev(head_commit->object.oid.hash, + DEFAULT_ABBREV), + find_unique_abbrev(remoteheads->item->object.oid.hash, + DEFAULT_ABBREV)); } strbuf_addstr(&msg, "Fast-forward"); if (have_message) @@ -1398,7 +1379,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) goto done; } - finish(head_commit, remoteheads, commit->object.oid.hash, msg.buf); + finish(head_commit, remoteheads, &commit->object.oid, msg.buf); drop_save(); goto done; } else if (!remoteheads->next && common->next) @@ -1417,9 +1398,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix) /* See if it is really trivial. */ git_committer_info(IDENT_STRICT); printf(_("Trying really trivial in-index merge...\n")); - if (!read_tree_trivial(common->item->object.oid.hash, - head_commit->object.oid.hash, - remoteheads->item->object.oid.hash)) { + if (!read_tree_trivial(&common->item->object.oid, + &head_commit->object.oid, + &remoteheads->item->object.oid)) { ret = merge_trivial(head_commit, remoteheads); goto done; } @@ -1471,14 +1452,14 @@ int cmd_merge(int argc, const char **argv, const char *prefix) /* * Stash away the local changes so that we can try more than one. */ - save_state(stash)) - hashclr(stash); + save_state(&stash)) + oidclr(&stash); for (i = 0; i < use_strategies_nr; i++) { int ret; if (i) { printf(_("Rewinding the tree to pristine...\n")); - restore_state(head_commit->object.oid.hash, stash); + restore_state(&head_commit->object.oid, &stash); } if (use_strategies_nr != 1) printf(_("Trying merge strategy %s...\n"), @@ -1491,7 +1472,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) ret = try_merge_strategy(use_strategies[i]->name, common, remoteheads, - head_commit, head_arg); + head_commit); if (!option_commit && !ret) { merge_was_ok = 1; /* @@ -1523,7 +1504,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } /* Automerge succeeded. */ - write_tree_trivial(result_tree); + write_tree_trivial(&result_tree); automerge_was_ok = 1; break; } @@ -1535,7 +1516,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (automerge_was_ok) { ret = finish_automerge(head_commit, head_subsumed, common, remoteheads, - result_tree, wt_strategy); + &result_tree, wt_strategy); goto done; } @@ -1544,7 +1525,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * it up. */ if (!best_strategy) { - restore_state(head_commit->object.oid.hash, stash); + restore_state(&head_commit->object.oid, &stash); if (use_strategies_nr > 1) fprintf(stderr, _("No merge strategy handled the merge.\n")); @@ -1557,11 +1538,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix) ; /* We already have its result in the working tree. */ else { printf(_("Rewinding the tree to pristine...\n")); - restore_state(head_commit->object.oid.hash, stash); + restore_state(&head_commit->object.oid, &stash); printf(_("Using the %s to prepare resolving by hand.\n"), best_strategy); try_merge_strategy(best_strategy, common, remoteheads, - head_commit, head_arg); + head_commit); } if (squash) diff --git a/builtin/mktree.c b/builtin/mktree.c index 4282b62..de9b40f 100644 --- a/builtin/mktree.c +++ b/builtin/mktree.c @@ -46,7 +46,7 @@ static void write_tree(unsigned char *sha1) size_t size; int i; - qsort(entries, used, sizeof(*entries), ent_compare); + QSORT(entries, used, ent_compare); for (size = i = 0; i < used; i++) size += 32 + entries[i]->len; diff --git a/builtin/mv.c b/builtin/mv.c index 2f43877..61d2003 100644 --- a/builtin/mv.c +++ b/builtin/mv.c @@ -4,6 +4,7 @@ * Copyright (C) 2006 Johannes Schindelin */ #include "builtin.h" +#include "pathspec.h" #include "lockfile.h" #include "dir.h" #include "cache-tree.h" @@ -19,31 +20,42 @@ static const char * const builtin_mv_usage[] = { #define DUP_BASENAME 1 #define KEEP_TRAILING_SLASH 2 -static const char **internal_copy_pathspec(const char *prefix, - const char **pathspec, - int count, unsigned flags) +static const char **internal_prefix_pathspec(const char *prefix, + const char **pathspec, + int count, unsigned flags) { int i; const char **result; + int prefixlen = prefix ? strlen(prefix) : 0; ALLOC_ARRAY(result, count + 1); - COPY_ARRAY(result, pathspec, count); - result[count] = NULL; + + /* Create an intermediate copy of the pathspec based on the flags */ for (i = 0; i < count; i++) { - int length = strlen(result[i]); + int length = strlen(pathspec[i]); int to_copy = length; + char *it; while (!(flags & KEEP_TRAILING_SLASH) && - to_copy > 0 && is_dir_sep(result[i][to_copy - 1])) + to_copy > 0 && is_dir_sep(pathspec[i][to_copy - 1])) to_copy--; - if (to_copy != length || flags & DUP_BASENAME) { - char *it = xmemdupz(result[i], to_copy); - if (flags & DUP_BASENAME) { - result[i] = xstrdup(basename(it)); - free(it); - } else - result[i] = it; + + it = xmemdupz(pathspec[i], to_copy); + if (flags & DUP_BASENAME) { + result[i] = xstrdup(basename(it)); + free(it); + } else { + result[i] = it; } } - return get_pathspec(prefix, result); + result[count] = NULL; + + /* Prefix the pathspec and free the old intermediate strings */ + for (i = 0; i < count; i++) { + const char *match = prefix_path(prefix, prefixlen, result[i]); + free((char *) result[i]); + result[i] = match; + } + + return result; } static const char *add_slash(const char *path) @@ -126,11 +138,11 @@ int cmd_mv(int argc, const char **argv, const char *prefix) if (--argc < 1) usage_with_options(builtin_mv_usage, builtin_mv_options); - hold_locked_index(&lock_file, 1); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); if (read_cache() < 0) die(_("index file corrupt")); - source = internal_copy_pathspec(prefix, argv, argc, 0); + source = internal_prefix_pathspec(prefix, argv, argc, 0); modes = xcalloc(argc, sizeof(enum update_mode)); /* * Keep trailing slash, needed to let @@ -140,16 +152,16 @@ int cmd_mv(int argc, const char **argv, const char *prefix) flags = KEEP_TRAILING_SLASH; if (argc == 1 && is_directory(argv[0]) && !is_directory(argv[1])) flags = 0; - dest_path = internal_copy_pathspec(prefix, argv + argc, 1, flags); + dest_path = internal_prefix_pathspec(prefix, argv + argc, 1, flags); submodule_gitfile = xcalloc(argc, sizeof(char *)); if (dest_path[0][0] == '\0') /* special case: "." was normalized to "" */ - destination = internal_copy_pathspec(dest_path[0], argv, argc, DUP_BASENAME); + destination = internal_prefix_pathspec(dest_path[0], argv, argc, DUP_BASENAME); else if (!lstat(dest_path[0], &st) && S_ISDIR(st.st_mode)) { dest_path[0] = add_slash(dest_path[0]); - destination = internal_copy_pathspec(dest_path[0], argv, argc, DUP_BASENAME); + destination = internal_prefix_pathspec(dest_path[0], argv, argc, DUP_BASENAME); } else { if (argc != 1) die(_("destination '%s' is not a directory"), dest_path[0]); diff --git a/builtin/name-rev.c b/builtin/name-rev.c index 57be35f..92a5d8a 100644 --- a/builtin/name-rev.c +++ b/builtin/name-rev.c @@ -108,7 +108,8 @@ static const char *name_ref_abbrev(const char *refname, int shorten_unambiguous) struct name_ref_data { int tags_only; int name_only; - const char *ref_filter; + struct string_list ref_filters; + struct string_list exclude_filters; }; static struct tip_table { @@ -150,18 +151,49 @@ static int name_ref(const char *path, const struct object_id *oid, int flags, vo if (data->tags_only && !starts_with(path, "refs/tags/")) return 0; - if (data->ref_filter) { - switch (subpath_matches(path, data->ref_filter)) { - case -1: /* did not match */ - return 0; - case 0: /* matched fully */ - break; - default: /* matched subpath */ - can_abbreviate_output = 1; - break; + if (data->exclude_filters.nr) { + struct string_list_item *item; + + for_each_string_list_item(item, &data->exclude_filters) { + if (subpath_matches(path, item->string) >= 0) + return 0; } } + if (data->ref_filters.nr) { + struct string_list_item *item; + int matched = 0; + + /* See if any of the patterns match. */ + for_each_string_list_item(item, &data->ref_filters) { + /* + * Check all patterns even after finding a match, so + * that we can see if a match with a subpath exists. + * When a user asked for 'refs/tags/v*' and 'v1.*', + * both of which match, the user is showing her + * willingness to accept a shortened output by having + * the 'v1.*' in the acceptable refnames, so we + * shouldn't stop when seeing 'refs/tags/v1.4' matches + * 'refs/tags/v*'. We should show it as 'v1.4'. + */ + switch (subpath_matches(path, item->string)) { + case -1: /* did not match */ + break; + case 0: /* matched fully */ + matched = 1; + break; + default: /* matched subpath */ + matched = 1; + can_abbreviate_output = 1; + break; + } + } + + /* If none of the patterns matched, stop now */ + if (!matched) + return 0; + } + add_to_tip_table(oid->hash, path, can_abbreviate_output); while (o && o->type == OBJ_TAG) { @@ -195,8 +227,7 @@ static const char *get_exact_ref_match(const struct object *o) return NULL; if (!tip_table.sorted) { - qsort(tip_table.table, tip_table.nr, sizeof(*tip_table.table), - tipcmp); + QSORT(tip_table.table, tip_table.nr, tipcmp); tip_table.sorted = 1; } @@ -207,10 +238,9 @@ static const char *get_exact_ref_match(const struct object *o) return NULL; } -/* returns a static buffer */ -static const char *get_rev_name(const struct object *o) +/* may return a constant string or use "buf" as scratch space */ +static const char *get_rev_name(const struct object *o, struct strbuf *buf) { - static char buffer[1024]; struct rev_name *n; struct commit *c; @@ -227,10 +257,9 @@ static const char *get_rev_name(const struct object *o) int len = strlen(n->tip_name); if (len > 2 && !strcmp(n->tip_name + len - 2, "^0")) len -= 2; - snprintf(buffer, sizeof(buffer), "%.*s~%d", len, n->tip_name, - n->generation); - - return buffer; + strbuf_reset(buf); + strbuf_addf(buf, "%.*s~%d", len, n->tip_name, n->generation); + return buf->buf; } } @@ -240,10 +269,11 @@ static void show_name(const struct object *obj, { const char *name; const struct object_id *oid = &obj->oid; + struct strbuf buf = STRBUF_INIT; if (!name_only) printf("%s ", caller_name ? caller_name : oid_to_hex(oid)); - name = get_rev_name(obj); + name = get_rev_name(obj, &buf); if (name) printf("%s\n", name); else if (allow_undefined) @@ -252,6 +282,7 @@ static void show_name(const struct object *obj, printf("%s\n", find_unique_abbrev(oid->hash, DEFAULT_ABBREV)); else die("cannot describe '%s'", oid_to_hex(oid)); + strbuf_release(&buf); } static char const * const name_rev_usage[] = { @@ -263,6 +294,7 @@ static char const * const name_rev_usage[] = { static void name_rev_line(char *p, struct name_ref_data *data) { + struct strbuf buf = STRBUF_INIT; int forty = 0; char *p_start; for (p_start = p; *p; p++) { @@ -283,7 +315,7 @@ static void name_rev_line(char *p, struct name_ref_data *data) struct object *o = lookup_object(sha1); if (o) - name = get_rev_name(o); + name = get_rev_name(o, &buf); } *(p+1) = c; @@ -301,18 +333,22 @@ static void name_rev_line(char *p, struct name_ref_data *data) /* flush */ if (p_start != p) fwrite(p_start, p - p_start, 1, stdout); + + strbuf_release(&buf); } int cmd_name_rev(int argc, const char **argv, const char *prefix) { struct object_array revs = OBJECT_ARRAY_INIT; int all = 0, transform_stdin = 0, allow_undefined = 1, always = 0, peel_tag = 0; - struct name_ref_data data = { 0, 0, NULL }; + struct name_ref_data data = { 0, 0, STRING_LIST_INIT_NODUP, STRING_LIST_INIT_NODUP }; struct option opts[] = { OPT_BOOL(0, "name-only", &data.name_only, N_("print only names (no SHA-1)")), OPT_BOOL(0, "tags", &data.tags_only, N_("only use tags to name the commits")), - OPT_STRING(0, "refs", &data.ref_filter, N_("pattern"), + OPT_STRING_LIST(0, "refs", &data.ref_filters, N_("pattern"), N_("only use refs matching <pattern>")), + OPT_STRING_LIST(0, "exclude", &data.exclude_filters, N_("pattern"), + N_("ignore refs matching <pattern>")), OPT_GROUP(""), OPT_BOOL(0, "all", &all, N_("list all commits reachable from all refs")), OPT_BOOL(0, "stdin", &transform_stdin, N_("read from stdin")), diff --git a/builtin/notes.c b/builtin/notes.c index f848b89..7b89147 100644 --- a/builtin/notes.c +++ b/builtin/notes.c @@ -191,7 +191,7 @@ static void prepare_note_data(const unsigned char *object, struct note_data *d, strbuf_reset(&d->buf); if (launch_editor(d->edit_path, &d->buf, NULL)) { - die(_("Please supply the note contents using either -m or -F option")); + die(_("please supply the note contents using either -m or -F option")); } strbuf_stripspace(&d->buf, 1); } @@ -202,7 +202,7 @@ static void write_note_data(struct note_data *d, unsigned char *sha1) if (write_sha1_file(d->buf.buf, d->buf.len, blob_type, sha1)) { error(_("unable to write note object")); if (d->edit_path) - error(_("The note contents have been left in %s"), + error(_("the note contents have been left in %s"), d->edit_path); exit(128); } @@ -251,14 +251,14 @@ static int parse_reuse_arg(const struct option *opt, const char *arg, int unset) strbuf_addch(&d->buf, '\n'); if (get_sha1(arg, object)) - die(_("Failed to resolve '%s' as a valid ref."), arg); + die(_("failed to resolve '%s' as a valid ref."), arg); if (!(buf = read_sha1_file(object, &type, &len))) { free(buf); - die(_("Failed to read object '%s'."), arg); + die(_("failed to read object '%s'."), arg); } if (type != OBJ_BLOB) { free(buf); - die(_("Cannot read note data from non-blob object '%s'."), arg); + die(_("cannot read note data from non-blob object '%s'."), arg); } strbuf_add(&d->buf, buf, len); free(buf); @@ -298,13 +298,13 @@ static int notes_copy_from_stdin(int force, const char *rewrite_cmd) split = strbuf_split(&buf, ' '); if (!split[0] || !split[1]) - die(_("Malformed input line: '%s'."), buf.buf); + die(_("malformed input line: '%s'."), buf.buf); strbuf_rtrim(split[0]); strbuf_rtrim(split[1]); if (get_sha1(split[0]->buf, from_obj)) - die(_("Failed to resolve '%s' as a valid ref."), split[0]->buf); + die(_("failed to resolve '%s' as a valid ref."), split[0]->buf); if (get_sha1(split[1]->buf, to_obj)) - die(_("Failed to resolve '%s' as a valid ref."), split[1]->buf); + die(_("failed to resolve '%s' as a valid ref."), split[1]->buf); if (rewrite_cmd) err = copy_note_for_rewrite(c, from_obj, to_obj); @@ -313,7 +313,7 @@ static int notes_copy_from_stdin(int force, const char *rewrite_cmd) combine_notes_overwrite); if (err) { - error(_("Failed to copy notes from '%s' to '%s'"), + error(_("failed to copy notes from '%s' to '%s'"), split[0]->buf, split[1]->buf); ret = 1; } @@ -340,7 +340,9 @@ static struct notes_tree *init_notes_check(const char *subcommand, ref = (flags & NOTES_INIT_WRITABLE) ? t->update_ref : t->ref; if (!starts_with(ref, "refs/notes/")) - die("Refusing to %s notes in %s (outside of refs/notes/)", + /* TRANSLATORS: the first %s will be replaced by a + git notes command: 'add', 'merge', 'remove', etc.*/ + die(_("refusing to %s notes in %s (outside of refs/notes/)"), subcommand, ref); return t; } @@ -367,13 +369,13 @@ static int list(int argc, const char **argv, const char *prefix) t = init_notes_check("list", 0); if (argc) { if (get_sha1(argv[0], object)) - die(_("Failed to resolve '%s' as a valid ref."), argv[0]); + die(_("failed to resolve '%s' as a valid ref."), argv[0]); note = get_note(t, object); if (note) { puts(sha1_to_hex(note)); retval = 0; } else - retval = error(_("No note found for object %s."), + retval = error(_("no note found for object %s."), sha1_to_hex(object)); } else retval = for_each_note(t, 0, list_each_note, NULL); @@ -422,7 +424,7 @@ static int add(int argc, const char **argv, const char *prefix) object_ref = argc > 1 ? argv[1] : "HEAD"; if (get_sha1(object_ref, object)) - die(_("Failed to resolve '%s' as a valid ref."), object_ref); + die(_("failed to resolve '%s' as a valid ref."), object_ref); t = init_notes_check("add", NOTES_INIT_WRITABLE); note = get_note(t, object); @@ -508,12 +510,12 @@ static int copy(int argc, const char **argv, const char *prefix) } if (get_sha1(argv[0], from_obj)) - die(_("Failed to resolve '%s' as a valid ref."), argv[0]); + die(_("failed to resolve '%s' as a valid ref."), argv[0]); object_ref = 1 < argc ? argv[1] : "HEAD"; if (get_sha1(object_ref, object)) - die(_("Failed to resolve '%s' as a valid ref."), object_ref); + die(_("failed to resolve '%s' as a valid ref."), object_ref); t = init_notes_check("copy", NOTES_INIT_WRITABLE); note = get_note(t, object); @@ -532,7 +534,7 @@ static int copy(int argc, const char **argv, const char *prefix) from_note = get_note(t, from_obj); if (!from_note) { - retval = error(_("Missing notes on source object %s. Cannot " + retval = error(_("missing notes on source object %s. Cannot " "copy."), sha1_to_hex(from_obj)); goto out; } @@ -552,7 +554,7 @@ static int append_edit(int argc, const char **argv, const char *prefix) struct notes_tree *t; unsigned char object[20], new_note[20]; const unsigned char *note; - char logmsg[100]; + char *logmsg; const char * const *usage; struct note_data d = { 0, 0, NULL, STRBUF_INIT }; struct option options[] = { @@ -591,7 +593,7 @@ static int append_edit(int argc, const char **argv, const char *prefix) object_ref = 1 < argc ? argv[1] : "HEAD"; if (get_sha1(object_ref, object)) - die(_("Failed to resolve '%s' as a valid ref."), object_ref); + die(_("failed to resolve '%s' as a valid ref."), object_ref); t = init_notes_check(argv[0], NOTES_INIT_WRITABLE); note = get_note(t, object); @@ -616,17 +618,16 @@ static int append_edit(int argc, const char **argv, const char *prefix) write_note_data(&d, new_note); if (add_note(t, object, new_note, combine_notes_overwrite)) die("BUG: combine_notes_overwrite failed"); - snprintf(logmsg, sizeof(logmsg), "Notes added by 'git notes %s'", - argv[0]); + logmsg = xstrfmt("Notes added by 'git notes %s'", argv[0]); } else { fprintf(stderr, _("Removing note for object %s\n"), sha1_to_hex(object)); remove_note(t, object); - snprintf(logmsg, sizeof(logmsg), "Notes removed by 'git notes %s'", - argv[0]); + logmsg = xstrfmt("Notes removed by 'git notes %s'", argv[0]); } commit_notes(t, logmsg); + free(logmsg); free_note_data(&d); free_notes(t); return 0; @@ -654,13 +655,13 @@ static int show(int argc, const char **argv, const char *prefix) object_ref = argc ? argv[0] : "HEAD"; if (get_sha1(object_ref, object)) - die(_("Failed to resolve '%s' as a valid ref."), object_ref); + die(_("failed to resolve '%s' as a valid ref."), object_ref); t = init_notes_check("show", 0); note = get_note(t, object); if (!note) - retval = error(_("No note found for object %s."), + retval = error(_("no note found for object %s."), sha1_to_hex(object)); else { const char *show_args[3] = {"show", sha1_to_hex(note), NULL}; @@ -679,19 +680,19 @@ static int merge_abort(struct notes_merge_options *o) * notes_merge_abort() to remove .git/NOTES_MERGE_WORKTREE. */ - if (delete_ref("NOTES_MERGE_PARTIAL", NULL, 0)) - ret += error("Failed to delete ref NOTES_MERGE_PARTIAL"); - if (delete_ref("NOTES_MERGE_REF", NULL, REF_NODEREF)) - ret += error("Failed to delete ref NOTES_MERGE_REF"); + if (delete_ref(NULL, "NOTES_MERGE_PARTIAL", NULL, 0)) + ret += error(_("failed to delete ref NOTES_MERGE_PARTIAL")); + if (delete_ref(NULL, "NOTES_MERGE_REF", NULL, REF_NODEREF)) + ret += error(_("failed to delete ref NOTES_MERGE_REF")); if (notes_merge_abort(o)) - ret += error("Failed to remove 'git notes merge' worktree"); + ret += error(_("failed to remove 'git notes merge' worktree")); return ret; } static int merge_commit(struct notes_merge_options *o) { struct strbuf msg = STRBUF_INIT; - unsigned char sha1[20], parent_sha1[20]; + struct object_id oid, parent_oid; struct notes_tree *t; struct commit *partial; struct pretty_print_context pretty_ctx; @@ -703,36 +704,36 @@ static int merge_commit(struct notes_merge_options *o) * and target notes ref from .git/NOTES_MERGE_REF. */ - if (get_sha1("NOTES_MERGE_PARTIAL", sha1)) - die("Failed to read ref NOTES_MERGE_PARTIAL"); - else if (!(partial = lookup_commit_reference(sha1))) - die("Could not find commit from NOTES_MERGE_PARTIAL."); + if (get_oid("NOTES_MERGE_PARTIAL", &oid)) + die(_("failed to read ref NOTES_MERGE_PARTIAL")); + else if (!(partial = lookup_commit_reference(oid.hash))) + die(_("could not find commit from NOTES_MERGE_PARTIAL.")); else if (parse_commit(partial)) - die("Could not parse commit from NOTES_MERGE_PARTIAL."); + die(_("could not parse commit from NOTES_MERGE_PARTIAL.")); if (partial->parents) - hashcpy(parent_sha1, partial->parents->item->object.oid.hash); + oidcpy(&parent_oid, &partial->parents->item->object.oid); else - hashclr(parent_sha1); + oidclr(&parent_oid); t = xcalloc(1, sizeof(struct notes_tree)); init_notes(t, "NOTES_MERGE_PARTIAL", combine_notes_overwrite, 0); o->local_ref = local_ref_to_free = - resolve_refdup("NOTES_MERGE_REF", 0, sha1, NULL); + resolve_refdup("NOTES_MERGE_REF", 0, oid.hash, NULL); if (!o->local_ref) - die("Failed to resolve NOTES_MERGE_REF"); + die(_("failed to resolve NOTES_MERGE_REF")); - if (notes_merge_commit(o, t, partial, sha1)) - die("Failed to finalize notes merge"); + if (notes_merge_commit(o, t, partial, oid.hash)) + die(_("failed to finalize notes merge")); /* Reuse existing commit message in reflog message */ memset(&pretty_ctx, 0, sizeof(pretty_ctx)); format_commit_message(partial, "%s", &msg, &pretty_ctx); strbuf_trim(&msg); strbuf_insert(&msg, 0, "notes: ", 7); - update_ref(msg.buf, o->local_ref, sha1, - is_null_sha1(parent_sha1) ? NULL : parent_sha1, + update_ref(msg.buf, o->local_ref, oid.hash, + is_null_oid(&parent_oid) ? NULL : parent_oid.hash, 0, UPDATE_REFS_DIE_ON_ERR); free_notes(t); @@ -794,7 +795,7 @@ static int merge(int argc, const char **argv, const char *prefix) } if (do_merge && argc != 1) { - error(_("Must specify a notes ref to merge")); + error(_("must specify a notes ref to merge")); usage_with_options(git_notes_merge_usage, options); } else if (!do_merge && argc) { error(_("too many parameters")); @@ -818,7 +819,7 @@ static int merge(int argc, const char **argv, const char *prefix) if (strategy) { if (parse_notes_merge_strategy(strategy, &o.strategy)) { - error(_("Unknown -s/--strategy: %s"), strategy); + error(_("unknown -s/--strategy: %s"), strategy); usage_with_options(git_notes_merge_usage, options); } } else { @@ -855,10 +856,10 @@ static int merge(int argc, const char **argv, const char *prefix) /* Store ref-to-be-updated into .git/NOTES_MERGE_REF */ wt = find_shared_symref("NOTES_MERGE_REF", default_notes_ref()); if (wt) - die(_("A notes merge into %s is already in-progress at %s"), + die(_("a notes merge into %s is already in-progress at %s"), default_notes_ref(), wt->path); if (create_symref("NOTES_MERGE_REF", default_notes_ref(), NULL)) - die(_("Failed to store link to current notes ref (%s)"), + die(_("failed to store link to current notes ref (%s)"), default_notes_ref()); printf(_("Automatic notes merge failed. Fix conflicts in %s and " "commit the result with 'git notes merge --commit', or " @@ -1014,7 +1015,7 @@ int cmd_notes(int argc, const char **argv, const char *prefix) else if (!strcmp(argv[0], "get-ref")) result = get_ref(argc, argv, prefix); else { - result = error(_("Unknown subcommand: %s"), argv[0]); + result = error(_("unknown subcommand: %s"), argv[0]); usage_with_options(git_notes_usage, options); } diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 0954375..0fe35d1 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -23,6 +23,7 @@ #include "reachable.h" #include "sha1-array.h" #include "argv-array.h" +#include "mru.h" static const char *pack_usage[] = { N_("git pack-objects --stdout [<options>...] [< <ref-list> | < <object-list>]"), @@ -60,14 +61,13 @@ static int delta_search_threads; static int pack_to_stdout; static int num_preferred_base; static struct progress *progress_state; -static int pack_compression_level = Z_DEFAULT_COMPRESSION; -static int pack_compression_seen; static struct packed_git *reuse_packfile; static uint32_t reuse_packfile_objects; static off_t reuse_packfile_offset; -static int use_bitmap_index = 1; +static int use_bitmap_index_default = 1; +static int use_bitmap_index = -1; static int write_bitmap_index; static uint16_t write_bitmap_options; @@ -239,7 +239,8 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent unsigned long limit, int usable_delta) { unsigned long size, datalen; - unsigned char header[10], dheader[10]; + unsigned char header[MAX_PACK_OBJECT_HEADER], + dheader[MAX_PACK_OBJECT_HEADER]; unsigned hdrlen; enum object_type type; void *buf; @@ -286,7 +287,8 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent * The object header is a byte of 'type' followed by zero or * more bytes of length. */ - hdrlen = encode_in_pack_object_header(type, size, header); + hdrlen = encode_in_pack_object_header(header, sizeof(header), + type, size); if (type == OBJ_OFS_DELTA) { /* @@ -352,13 +354,15 @@ static off_t write_reuse_object(struct sha1file *f, struct object_entry *entry, off_t offset; enum object_type type = entry->type; off_t datalen; - unsigned char header[10], dheader[10]; + unsigned char header[MAX_PACK_OBJECT_HEADER], + dheader[MAX_PACK_OBJECT_HEADER]; unsigned hdrlen; if (entry->delta) type = (allow_ofs_delta && entry->delta->idx.offset) ? OBJ_OFS_DELTA : OBJ_REF_DELTA; - hdrlen = encode_in_pack_object_header(type, entry->size, header); + hdrlen = encode_in_pack_object_header(header, sizeof(header), + type, entry->size); offset = entry->in_pack_offset; revidx = find_pack_revindex(p, offset); @@ -718,7 +722,7 @@ static off_t write_reused_pack(struct sha1file *f) if (!is_pack_valid(reuse_packfile)) die("packfile is invalid: %s", reuse_packfile->pack_name); - fd = git_open_noatime(reuse_packfile->pack_name); + fd = git_open(reuse_packfile->pack_name); if (fd < 0) die_errno("unable to open packfile for reuse: %s", reuse_packfile->pack_name); @@ -894,24 +898,15 @@ static void write_pack_file(void) written, nr_result); } -static void setup_delta_attr_check(struct git_attr_check *check) -{ - static struct git_attr *attr_delta; - - if (!attr_delta) - attr_delta = git_attr("delta"); - - check[0].attr = attr_delta; -} - static int no_try_delta(const char *path) { - struct git_attr_check check[1]; + static struct attr_check *check; - setup_delta_attr_check(check); - if (git_check_attr(path, ARRAY_SIZE(check), check)) + if (!check) + check = attr_check_initl("delta", NULL); + if (git_check_attr(path, check)) return 0; - if (ATTR_FALSE(check->value)) + if (ATTR_FALSE(check->items[0].value)) return 1; return 0; } @@ -945,29 +940,80 @@ static int have_duplicate_entry(const unsigned char *sha1, return 1; } +static int want_found_object(int exclude, struct packed_git *p) +{ + if (exclude) + return 1; + if (incremental) + return 0; + + /* + * When asked to do --local (do not include an object that appears in a + * pack we borrow from elsewhere) or --honor-pack-keep (do not include + * an object that appears in a pack marked with .keep), finding a pack + * that matches the criteria is sufficient for us to decide to omit it. + * However, even if this pack does not satisfy the criteria, we need to + * make sure no copy of this object appears in _any_ pack that makes us + * to omit the object, so we need to check all the packs. + * + * We can however first check whether these options can possible matter; + * if they do not matter we know we want the object in generated pack. + * Otherwise, we signal "-1" at the end to tell the caller that we do + * not know either way, and it needs to check more packs. + */ + if (!ignore_packed_keep && + (!local || !have_non_local_packs)) + return 1; + + if (local && !p->pack_local) + return 0; + if (ignore_packed_keep && p->pack_local && p->pack_keep) + return 0; + + /* we don't know yet; keep looking for more packs */ + return -1; +} + /* * Check whether we want the object in the pack (e.g., we do not want * objects found in non-local stores if the "--local" option was used). * - * As a side effect of this check, we will find the packed version of this - * object, if any. We therefore pass out the pack information to avoid having - * to look it up again later. + * If the caller already knows an existing pack it wants to take the object + * from, that is passed in *found_pack and *found_offset; otherwise this + * function finds if there is any pack that has the object and returns the pack + * and its offset in these variables. */ static int want_object_in_pack(const unsigned char *sha1, int exclude, struct packed_git **found_pack, off_t *found_offset) { - struct packed_git *p; + struct mru_entry *entry; + int want; if (!exclude && local && has_loose_object_nonlocal(sha1)) return 0; - *found_pack = NULL; - *found_offset = 0; + /* + * If we already know the pack object lives in, start checks from that + * pack - in the usual case when neither --local was given nor .keep files + * are present we will determine the answer right now. + */ + if (*found_pack) { + want = want_found_object(exclude, *found_pack); + if (want != -1) + return want; + } + + for (entry = packed_git_mru->head; entry; entry = entry->next) { + struct packed_git *p = entry->item; + off_t offset; + + if (p == *found_pack) + offset = *found_offset; + else + offset = find_pack_entry_one(sha1, p); - for (p = packed_git; p; p = p->next) { - off_t offset = find_pack_entry_one(sha1, p); if (offset) { if (!*found_pack) { if (!is_pack_valid(p)) @@ -975,31 +1021,11 @@ static int want_object_in_pack(const unsigned char *sha1, *found_offset = offset; *found_pack = p; } - if (exclude) - return 1; - if (incremental) - return 0; - - /* - * When asked to do --local (do not include an - * object that appears in a pack we borrow - * from elsewhere) or --honor-pack-keep (do not - * include an object that appears in a pack marked - * with .keep), we need to make sure no copy of this - * object come from in _any_ pack that causes us to - * omit it, and need to complete this loop. When - * neither option is in effect, we know the object - * we just found is going to be packed, so break - * out of the loop to return 1 now. - */ - if (!ignore_packed_keep && - (!local || !have_non_local_packs)) - break; - - if (local && !p->pack_local) - return 0; - if (ignore_packed_keep && p->pack_local && p->pack_keep) - return 0; + want = want_found_object(exclude, p); + if (!exclude && want > 0) + mru_mark(packed_git_mru, entry); + if (want != -1) + return want; } } @@ -1040,8 +1066,8 @@ static const char no_closure_warning[] = N_( static int add_object_entry(const unsigned char *sha1, enum object_type type, const char *name, int exclude) { - struct packed_git *found_pack; - off_t found_offset; + struct packed_git *found_pack = NULL; + off_t found_offset = 0; uint32_t index_pos; if (have_duplicate_entry(sha1, exclude, &index_pos)) @@ -1074,6 +1100,9 @@ static int add_object_entry_from_bitmap(const unsigned char *sha1, if (have_duplicate_entry(sha1, 0, &index_pos)) return 0; + if (!want_object_in_pack(sha1, 0, &pack, &offset)) + return 0; + create_object_entry(sha1, type, name_hash, 0, 0, index_pos, pack, offset); display_progress(progress_state, nr_result); @@ -1495,6 +1524,170 @@ static int pack_offset_sort(const void *_a, const void *_b) (a->in_pack_offset > b->in_pack_offset); } +/* + * Drop an on-disk delta we were planning to reuse. Naively, this would + * just involve blanking out the "delta" field, but we have to deal + * with some extra book-keeping: + * + * 1. Removing ourselves from the delta_sibling linked list. + * + * 2. Updating our size/type to the non-delta representation. These were + * either not recorded initially (size) or overwritten with the delta type + * (type) when check_object() decided to reuse the delta. + * + * 3. Resetting our delta depth, as we are now a base object. + */ +static void drop_reused_delta(struct object_entry *entry) +{ + struct object_entry **p = &entry->delta->delta_child; + struct object_info oi = OBJECT_INFO_INIT; + + while (*p) { + if (*p == entry) + *p = (*p)->delta_sibling; + else + p = &(*p)->delta_sibling; + } + entry->delta = NULL; + entry->depth = 0; + + oi.sizep = &entry->size; + oi.typep = &entry->type; + if (packed_object_info(entry->in_pack, entry->in_pack_offset, &oi) < 0) { + /* + * We failed to get the info from this pack for some reason; + * fall back to sha1_object_info, which may find another copy. + * And if that fails, the error will be recorded in entry->type + * and dealt with in prepare_pack(). + */ + entry->type = sha1_object_info(entry->idx.sha1, &entry->size); + } +} + +/* + * Follow the chain of deltas from this entry onward, throwing away any links + * that cause us to hit a cycle (as determined by the DFS state flags in + * the entries). + * + * We also detect too-long reused chains that would violate our --depth + * limit. + */ +static void break_delta_chains(struct object_entry *entry) +{ + /* + * The actual depth of each object we will write is stored as an int, + * as it cannot exceed our int "depth" limit. But before we break + * changes based no that limit, we may potentially go as deep as the + * number of objects, which is elsewhere bounded to a uint32_t. + */ + uint32_t total_depth; + struct object_entry *cur, *next; + + for (cur = entry, total_depth = 0; + cur; + cur = cur->delta, total_depth++) { + if (cur->dfs_state == DFS_DONE) { + /* + * We've already seen this object and know it isn't + * part of a cycle. We do need to append its depth + * to our count. + */ + total_depth += cur->depth; + break; + } + + /* + * We break cycles before looping, so an ACTIVE state (or any + * other cruft which made its way into the state variable) + * is a bug. + */ + if (cur->dfs_state != DFS_NONE) + die("BUG: confusing delta dfs state in first pass: %d", + cur->dfs_state); + + /* + * Now we know this is the first time we've seen the object. If + * it's not a delta, we're done traversing, but we'll mark it + * done to save time on future traversals. + */ + if (!cur->delta) { + cur->dfs_state = DFS_DONE; + break; + } + + /* + * Mark ourselves as active and see if the next step causes + * us to cycle to another active object. It's important to do + * this _before_ we loop, because it impacts where we make the + * cut, and thus how our total_depth counter works. + * E.g., We may see a partial loop like: + * + * A -> B -> C -> D -> B + * + * Cutting B->C breaks the cycle. But now the depth of A is + * only 1, and our total_depth counter is at 3. The size of the + * error is always one less than the size of the cycle we + * broke. Commits C and D were "lost" from A's chain. + * + * If we instead cut D->B, then the depth of A is correct at 3. + * We keep all commits in the chain that we examined. + */ + cur->dfs_state = DFS_ACTIVE; + if (cur->delta->dfs_state == DFS_ACTIVE) { + drop_reused_delta(cur); + cur->dfs_state = DFS_DONE; + break; + } + } + + /* + * And now that we've gone all the way to the bottom of the chain, we + * need to clear the active flags and set the depth fields as + * appropriate. Unlike the loop above, which can quit when it drops a + * delta, we need to keep going to look for more depth cuts. So we need + * an extra "next" pointer to keep going after we reset cur->delta. + */ + for (cur = entry; cur; cur = next) { + next = cur->delta; + + /* + * We should have a chain of zero or more ACTIVE states down to + * a final DONE. We can quit after the DONE, because either it + * has no bases, or we've already handled them in a previous + * call. + */ + if (cur->dfs_state == DFS_DONE) + break; + else if (cur->dfs_state != DFS_ACTIVE) + die("BUG: confusing delta dfs state in second pass: %d", + cur->dfs_state); + + /* + * If the total_depth is more than depth, then we need to snip + * the chain into two or more smaller chains that don't exceed + * the maximum depth. Most of the resulting chains will contain + * (depth + 1) entries (i.e., depth deltas plus one base), and + * the last chain (i.e., the one containing entry) will contain + * whatever entries are left over, namely + * (total_depth % (depth + 1)) of them. + * + * Since we are iterating towards decreasing depth, we need to + * decrement total_depth as we go, and we need to write to the + * entry what its final depth will be after all of the + * snipping. Since we're snipping into chains of length (depth + * + 1) entries, the final depth of an entry will be its + * original depth modulo (depth + 1). Any time we encounter an + * entry whose final depth is supposed to be zero, we snip it + * from its delta base, thereby making it so. + */ + cur->depth = (total_depth--) % (depth + 1); + if (!cur->depth) + drop_reused_delta(cur); + + cur->dfs_state = DFS_DONE; + } +} + static void get_object_details(void) { uint32_t i; @@ -1503,7 +1696,7 @@ static void get_object_details(void) sorted_by_offset = xcalloc(to_pack.nr_objects, sizeof(struct object_entry *)); for (i = 0; i < to_pack.nr_objects; i++) sorted_by_offset[i] = to_pack.objects + i; - qsort(sorted_by_offset, to_pack.nr_objects, sizeof(*sorted_by_offset), pack_offset_sort); + QSORT(sorted_by_offset, to_pack.nr_objects, pack_offset_sort); for (i = 0; i < to_pack.nr_objects; i++) { struct object_entry *entry = sorted_by_offset[i]; @@ -1512,6 +1705,13 @@ static void get_object_details(void) entry->no_try_delta = 1; } + /* + * This must happen in a second pass, since we rely on the delta + * information for the whole list being completed. + */ + for (i = 0; i < to_pack.nr_objects; i++) + break_delta_chains(&to_pack.objects[i]); + free(sorted_by_offset); } @@ -2225,7 +2425,7 @@ static void prepare_pack(int window, int depth) if (progress) progress_state = start_progress(_("Compressing objects"), nr_deltas); - qsort(delta_list, n, sizeof(*delta_list), type_size_sort); + QSORT(delta_list, n, type_size_sort); ll_find_deltas(delta_list, n, window+1, depth, &nr_done); stop_progress(&progress_state); if (nr_done != nr_deltas) @@ -2248,16 +2448,6 @@ static int git_pack_config(const char *k, const char *v, void *cb) depth = git_config_int(k, v); return 0; } - if (!strcmp(k, "pack.compression")) { - int level = git_config_int(k, v); - if (level == -1) - level = Z_DEFAULT_COMPRESSION; - else if (level < 0 || level > Z_BEST_COMPRESSION) - die("bad pack compression level %d", level); - pack_compression_level = level; - pack_compression_seen = 1; - return 0; - } if (!strcmp(k, "pack.deltacachesize")) { max_delta_cache_size = git_config_int(k, v); return 0; @@ -2273,7 +2463,7 @@ static int git_pack_config(const char *k, const char *v, void *cb) write_bitmap_options &= ~BITMAP_OPT_HASH_CACHE; } if (!strcmp(k, "pack.usebitmaps")) { - use_bitmap_index = git_config_bool(k, v); + use_bitmap_index_default = git_config_bool(k, v); return 0; } if (!strcmp(k, "pack.threads")) { @@ -2417,8 +2607,7 @@ static void add_objects_in_unpacked_packs(struct rev_info *revs) } if (in_pack.nr) { - qsort(in_pack.array, in_pack.nr, sizeof(in_pack.array[0]), - ofscmp); + QSORT(in_pack.array, in_pack.nr, ofscmp); for (i = 0; i < in_pack.nr; i++) { struct object *o = in_pack.array[i].object; add_object_entry(o->oid.hash, o->type, "", 0); @@ -2427,17 +2616,17 @@ static void add_objects_in_unpacked_packs(struct rev_info *revs) free(in_pack.array); } -static int add_loose_object(const unsigned char *sha1, const char *path, +static int add_loose_object(const struct object_id *oid, const char *path, void *data) { - enum object_type type = sha1_object_info(sha1, NULL); + enum object_type type = sha1_object_info(oid->hash, NULL); if (type < 0) { warning("loose object at %s could not be examined", path); return 0; } - add_object_entry(sha1, type, "", 0); + add_object_entry(oid->hash, type, "", 0); return 0; } @@ -2483,16 +2672,16 @@ static int has_sha1_pack_kept_or_nonlocal(const unsigned char *sha1) * * This is filled by get_object_list. */ -static struct sha1_array recent_objects; +static struct oid_array recent_objects; -static int loosened_object_can_be_discarded(const unsigned char *sha1, +static int loosened_object_can_be_discarded(const struct object_id *oid, unsigned long mtime) { if (!unpack_unreachable_expiration) return 0; if (mtime > unpack_unreachable_expiration) return 0; - if (sha1_array_lookup(&recent_objects, sha1) >= 0) + if (oid_array_lookup(&recent_objects, oid) >= 0) return 0; return 1; } @@ -2501,7 +2690,7 @@ static void loosen_unused_packed_objects(struct rev_info *revs) { struct packed_git *p; uint32_t i; - const unsigned char *sha1; + struct object_id oid; for (p = packed_git; p; p = p->next) { if (!p->pack_local || p->pack_keep) @@ -2511,24 +2700,24 @@ static void loosen_unused_packed_objects(struct rev_info *revs) die("cannot open pack index"); for (i = 0; i < p->num_objects; i++) { - sha1 = nth_packed_object_sha1(p, i); - if (!packlist_find(&to_pack, sha1, NULL) && - !has_sha1_pack_kept_or_nonlocal(sha1) && - !loosened_object_can_be_discarded(sha1, p->mtime)) - if (force_object_loose(sha1, p->mtime)) + nth_packed_object_oid(&oid, p, i); + if (!packlist_find(&to_pack, oid.hash, NULL) && + !has_sha1_pack_kept_or_nonlocal(oid.hash) && + !loosened_object_can_be_discarded(&oid, p->mtime)) + if (force_object_loose(oid.hash, p->mtime)) die("unable to force loose object"); } } } /* - * This tracks any options which a reader of the pack might - * not understand, and which would therefore prevent blind reuse - * of what we have on disk. + * This tracks any options which pack-reuse code expects to be on, or which a + * reader of the pack might not understand, and which would therefore prevent + * blind reuse of what we have on disk. */ static int pack_options_allow_reuse(void) { - return allow_ofs_delta; + return pack_to_stdout && allow_ofs_delta; } static int get_object_list_from_bitmap(struct rev_info *revs) @@ -2554,12 +2743,12 @@ static void record_recent_object(struct object *obj, const char *name, void *data) { - sha1_array_append(&recent_objects, obj->oid.hash); + oid_array_append(&recent_objects, &obj->oid); } static void record_recent_commit(struct commit *commit, void *data) { - sha1_array_append(&recent_objects, commit->object.oid.hash); + oid_array_append(&recent_objects, &commit->object.oid); } static void get_object_list(int ac, const char **av) @@ -2627,7 +2816,7 @@ static void get_object_list(int ac, const char **av) if (unpack_unreachable) loosen_unused_packed_objects(&revs); - sha1_array_clear(&recent_objects); + oid_array_clear(&recent_objects); } static int option_parse_index_version(const struct option *opt, @@ -2750,8 +2939,6 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) reset_pack_idx_option(&pack_idx_opts); git_config(git_pack_config, NULL); - if (!pack_compression_seen && core_compression_seen) - pack_compression_level = core_compression_level; progress = isatty(2); argc = parse_options(argc, argv, prefix, pack_objects_options, @@ -2821,7 +3008,23 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) if (!rev_list_all || !rev_list_reflog || !rev_list_index) unpack_unreachable_expiration = 0; - if (!use_internal_rev_list || !pack_to_stdout || is_repository_shallow()) + /* + * "soft" reasons not to use bitmaps - for on-disk repack by default we want + * + * - to produce good pack (with bitmap index not-yet-packed objects are + * packed in suboptimal order). + * + * - to use more robust pack-generation codepath (avoiding possible + * bugs in bitmap code and possible bitmap index corruption). + */ + if (!pack_to_stdout) + use_bitmap_index_default = 0; + + if (use_bitmap_index < 0) + use_bitmap_index = use_bitmap_index_default; + + /* "hard" reasons not to use bitmaps; these just won't work at all */ + if (!use_internal_rev_list || (!pack_to_stdout && write_bitmap_index) || is_repository_shallow()) use_bitmap_index = 0; if (pack_to_stdout || !rev_list_all) diff --git a/builtin/pack-refs.c b/builtin/pack-refs.c index 39f9a55..b106a39 100644 --- a/builtin/pack-refs.c +++ b/builtin/pack-refs.c @@ -17,5 +17,5 @@ int cmd_pack_refs(int argc, const char **argv, const char *prefix) }; if (parse_options(argc, argv, prefix, opts, pack_refs_usage, 0)) usage_with_options(pack_refs_usage, opts); - return pack_refs(flags); + return refs_pack_refs(get_main_ref_store(), flags); } diff --git a/builtin/patch-id.c b/builtin/patch-id.c index a84d000..81552e0 100644 --- a/builtin/patch-id.c +++ b/builtin/patch-id.c @@ -55,7 +55,7 @@ static int scan_hunk_header(const char *p, int *p_before, int *p_after) static void flush_one_hunk(struct object_id *result, git_SHA_CTX *ctx) { - unsigned char hash[GIT_SHA1_RAWSZ]; + unsigned char hash[GIT_MAX_RAWSZ]; unsigned short carry = 0; int i; diff --git a/builtin/prune-packed.c b/builtin/prune-packed.c index 7cf900e..c026299 100644 --- a/builtin/prune-packed.c +++ b/builtin/prune-packed.c @@ -19,12 +19,12 @@ static int prune_subdir(int nr, const char *path, void *data) return 0; } -static int prune_object(const unsigned char *sha1, const char *path, +static int prune_object(const struct object_id *oid, const char *path, void *data) { int *opts = data; - if (!has_sha1_pack(sha1)) + if (!has_sha1_pack(oid->hash)) return 0; if (*opts & PRUNE_PACKED_DRY_RUN) diff --git a/builtin/prune.c b/builtin/prune.c index 8f4f052..42633e0 100644 --- a/builtin/prune.c +++ b/builtin/prune.c @@ -30,7 +30,7 @@ static int prune_tmp_file(const char *fullpath) return 0; } -static int prune_object(const unsigned char *sha1, const char *fullpath, +static int prune_object(const struct object_id *oid, const char *fullpath, void *data) { struct stat st; @@ -39,7 +39,7 @@ static int prune_object(const unsigned char *sha1, const char *fullpath, * Do we know about this object? * It must have been reachable */ - if (lookup_object(sha1)) + if (lookup_object(oid->hash)) return 0; if (lstat(fullpath, &st)) { @@ -50,8 +50,8 @@ static int prune_object(const unsigned char *sha1, const char *fullpath, if (st.st_mtime > expire) return 0; if (show_only || verbose) { - enum object_type type = sha1_object_info(sha1, NULL); - printf("%s %s\n", sha1_to_hex(sha1), + enum object_type type = sha1_object_info(oid->hash, NULL); + printf("%s %s\n", oid_to_hex(oid), (type > 0) ? typename(type) : "unknown"); } if (!show_only) diff --git a/builtin/pull.c b/builtin/pull.c index 398aae1..d8aa26d 100644 --- a/builtin/pull.c +++ b/builtin/pull.c @@ -17,6 +17,7 @@ #include "revision.h" #include "tempfile.h" #include "lockfile.h" +#include "wt-status.h" enum rebase_type { REBASE_INVALID = -1, @@ -326,91 +327,24 @@ static int git_pull_config(const char *var, const char *value, void *cb) } /** - * Returns 1 if there are unstaged changes, 0 otherwise. - */ -static int has_unstaged_changes(const char *prefix) -{ - struct rev_info rev_info; - int result; - - init_revisions(&rev_info, prefix); - DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES); - DIFF_OPT_SET(&rev_info.diffopt, QUICK); - diff_setup_done(&rev_info.diffopt); - result = run_diff_files(&rev_info, 0); - return diff_result_code(&rev_info.diffopt, result); -} - -/** - * Returns 1 if there are uncommitted changes, 0 otherwise. - */ -static int has_uncommitted_changes(const char *prefix) -{ - struct rev_info rev_info; - int result; - - if (is_cache_unborn()) - return 0; - - init_revisions(&rev_info, prefix); - DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES); - DIFF_OPT_SET(&rev_info.diffopt, QUICK); - add_head_to_pending(&rev_info); - diff_setup_done(&rev_info.diffopt); - result = run_diff_index(&rev_info, 1); - return diff_result_code(&rev_info.diffopt, result); -} - -/** - * If the work tree has unstaged or uncommitted changes, dies with the - * appropriate message. - */ -static void die_on_unclean_work_tree(const char *prefix) -{ - struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file)); - int do_die = 0; - - hold_locked_index(lock_file, 0); - refresh_cache(REFRESH_QUIET); - update_index_if_able(&the_index, lock_file); - rollback_lock_file(lock_file); - - if (has_unstaged_changes(prefix)) { - error(_("Cannot pull with rebase: You have unstaged changes.")); - do_die = 1; - } - - if (has_uncommitted_changes(prefix)) { - if (do_die) - error(_("Additionally, your index contains uncommitted changes.")); - else - error(_("Cannot pull with rebase: Your index contains uncommitted changes.")); - do_die = 1; - } - - if (do_die) - exit(1); -} - -/** * Appends merge candidates from FETCH_HEAD that are not marked not-for-merge * into merge_heads. */ -static void get_merge_heads(struct sha1_array *merge_heads) +static void get_merge_heads(struct oid_array *merge_heads) { const char *filename = git_path("FETCH_HEAD"); FILE *fp; struct strbuf sb = STRBUF_INIT; - unsigned char sha1[GIT_SHA1_RAWSZ]; + struct object_id oid; if (!(fp = fopen(filename, "r"))) die_errno(_("could not open '%s' for reading"), filename); while (strbuf_getline_lf(&sb, fp) != EOF) { - if (get_sha1_hex(sb.buf, sha1)) + if (get_oid_hex(sb.buf, &oid)) continue; /* invalid line: does not start with SHA1 */ if (starts_with(sb.buf + GIT_SHA1_HEXSZ, "\tnot-for-merge\t")) continue; /* ref is not-for-merge */ - sha1_array_append(merge_heads, sha1); + oid_array_append(merge_heads, &oid); } fclose(fp); strbuf_release(&sb); @@ -580,8 +514,8 @@ static int run_fetch(const char *repo, const char **refspecs) /** * "Pulls into void" by branching off merge_head. */ -static int pull_into_void(const unsigned char *merge_head, - const unsigned char *curr_head) +static int pull_into_void(const struct object_id *merge_head, + const struct object_id *curr_head) { /* * Two-way merge: we treat the index as based on an empty tree, @@ -589,10 +523,10 @@ static int pull_into_void(const unsigned char *merge_head, * index/worktree changes that the user already made on the unborn * branch. */ - if (checkout_fast_forward(EMPTY_TREE_SHA1_BIN, merge_head, 0)) + if (checkout_fast_forward(EMPTY_TREE_SHA1_BIN, merge_head->hash, 0)) return 1; - if (update_ref("initial pull", "HEAD", merge_head, curr_head, 0, UPDATE_REFS_DIE_ON_ERR)) + if (update_ref("initial pull", "HEAD", merge_head->hash, curr_head->hash, 0, UPDATE_REFS_DIE_ON_ERR)) return 1; return 0; @@ -713,7 +647,7 @@ static const char *get_tracking_branch(const char *remote, const char *refspec) * current branch forked from its remote tracking branch. Returns 0 on success, * -1 on failure. */ -static int get_rebase_fork_point(unsigned char *fork_point, const char *repo, +static int get_rebase_fork_point(struct object_id *fork_point, const char *repo, const char *refspec) { int ret; @@ -744,7 +678,7 @@ static int get_rebase_fork_point(unsigned char *fork_point, const char *repo, if (ret) goto cleanup; - ret = get_sha1_hex(sb.buf, fork_point); + ret = get_oid_hex(sb.buf, fork_point); if (ret) goto cleanup; @@ -757,24 +691,24 @@ cleanup: * Sets merge_base to the octopus merge base of curr_head, merge_head and * fork_point. Returns 0 if a merge base is found, 1 otherwise. */ -static int get_octopus_merge_base(unsigned char *merge_base, - const unsigned char *curr_head, - const unsigned char *merge_head, - const unsigned char *fork_point) +static int get_octopus_merge_base(struct object_id *merge_base, + const struct object_id *curr_head, + const struct object_id *merge_head, + const struct object_id *fork_point) { struct commit_list *revs = NULL, *result; - commit_list_insert(lookup_commit_reference(curr_head), &revs); - commit_list_insert(lookup_commit_reference(merge_head), &revs); - if (!is_null_sha1(fork_point)) - commit_list_insert(lookup_commit_reference(fork_point), &revs); + commit_list_insert(lookup_commit_reference(curr_head->hash), &revs); + commit_list_insert(lookup_commit_reference(merge_head->hash), &revs); + if (!is_null_oid(fork_point)) + commit_list_insert(lookup_commit_reference(fork_point->hash), &revs); result = reduce_heads(get_octopus_merge_bases(revs)); free_commit_list(revs); if (!result) return 1; - hashcpy(merge_base, result->item->object.oid.hash); + oidcpy(merge_base, &result->item->object.oid); return 0; } @@ -783,16 +717,16 @@ static int get_octopus_merge_base(unsigned char *merge_base, * fork point calculated by get_rebase_fork_point(), runs git-rebase with the * appropriate arguments and returns its exit status. */ -static int run_rebase(const unsigned char *curr_head, - const unsigned char *merge_head, - const unsigned char *fork_point) +static int run_rebase(const struct object_id *curr_head, + const struct object_id *merge_head, + const struct object_id *fork_point) { int ret; - unsigned char oct_merge_base[GIT_SHA1_RAWSZ]; + struct object_id oct_merge_base; struct argv_array args = ARGV_ARRAY_INIT; - if (!get_octopus_merge_base(oct_merge_base, curr_head, merge_head, fork_point)) - if (!is_null_sha1(fork_point) && !hashcmp(oct_merge_base, fork_point)) + if (!get_octopus_merge_base(&oct_merge_base, curr_head, merge_head, fork_point)) + if (!is_null_oid(fork_point) && !oidcmp(&oct_merge_base, fork_point)) fork_point = NULL; argv_array_push(&args, "rebase"); @@ -820,12 +754,12 @@ static int run_rebase(const unsigned char *curr_head, warning(_("ignoring --verify-signatures for rebase")); argv_array_push(&args, "--onto"); - argv_array_push(&args, sha1_to_hex(merge_head)); + argv_array_push(&args, oid_to_hex(merge_head)); - if (fork_point && !is_null_sha1(fork_point)) - argv_array_push(&args, sha1_to_hex(fork_point)); + if (fork_point && !is_null_oid(fork_point)) + argv_array_push(&args, oid_to_hex(fork_point)); else - argv_array_push(&args, sha1_to_hex(merge_head)); + argv_array_push(&args, oid_to_hex(merge_head)); ret = run_command_v_opt(args.argv, RUN_GIT_CMD); argv_array_clear(&args); @@ -835,9 +769,9 @@ static int run_rebase(const unsigned char *curr_head, int cmd_pull(int argc, const char **argv, const char *prefix) { const char *repo, **refspecs; - struct sha1_array merge_heads = SHA1_ARRAY_INIT; - unsigned char orig_head[GIT_SHA1_RAWSZ], curr_head[GIT_SHA1_RAWSZ]; - unsigned char rebase_fork_point[GIT_SHA1_RAWSZ]; + struct oid_array merge_heads = OID_ARRAY_INIT; + struct object_id orig_head, curr_head; + struct object_id rebase_fork_point; if (!getenv("GIT_REFLOG_ACTION")) set_reflog_message(argc, argv); @@ -860,8 +794,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (file_exists(git_path("MERGE_HEAD"))) die_conclude_merge(); - if (get_sha1("HEAD", orig_head)) - hashclr(orig_head); + if (get_oid("HEAD", &orig_head)) + oidclr(&orig_head); if (!opt_rebase && opt_autostash != -1) die(_("--[no-]autostash option is only valid with --rebase.")); @@ -871,14 +805,15 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (opt_autostash != -1) autostash = opt_autostash; - if (is_null_sha1(orig_head) && !is_cache_unborn()) + if (is_null_oid(&orig_head) && !is_cache_unborn()) die(_("Updating an unborn branch with changes added to the index.")); if (!autostash) - die_on_unclean_work_tree(prefix); + require_clean_work_tree(N_("pull with rebase"), + _("please commit or stash them."), 1, 0); - if (get_rebase_fork_point(rebase_fork_point, repo, *refspecs)) - hashclr(rebase_fork_point); + if (get_rebase_fork_point(&rebase_fork_point, repo, *refspecs)) + oidclr(&rebase_fork_point); } if (run_fetch(repo, refspecs)) @@ -887,11 +822,11 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (opt_dry_run) return 0; - if (get_sha1("HEAD", curr_head)) - hashclr(curr_head); + if (get_oid("HEAD", &curr_head)) + oidclr(&curr_head); - if (!is_null_sha1(orig_head) && !is_null_sha1(curr_head) && - hashcmp(orig_head, curr_head)) { + if (!is_null_oid(&orig_head) && !is_null_oid(&curr_head) && + oidcmp(&orig_head, &curr_head)) { /* * The fetch involved updating the current branch. * @@ -902,15 +837,15 @@ int cmd_pull(int argc, const char **argv, const char *prefix) warning(_("fetch updated the current branch head.\n" "fast-forwarding your working tree from\n" - "commit %s."), sha1_to_hex(orig_head)); + "commit %s."), oid_to_hex(&orig_head)); - if (checkout_fast_forward(orig_head, curr_head, 0)) + if (checkout_fast_forward(orig_head.hash, curr_head.hash, 0)) die(_("Cannot fast-forward your working tree.\n" "After making sure that you saved anything precious from\n" "$ git diff %s\n" "output, run\n" "$ git reset --hard\n" - "to recover."), sha1_to_hex(orig_head)); + "to recover."), oid_to_hex(&orig_head)); } get_merge_heads(&merge_heads); @@ -918,14 +853,28 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (!merge_heads.nr) die_no_merge_candidates(repo, refspecs); - if (is_null_sha1(orig_head)) { + if (is_null_oid(&orig_head)) { if (merge_heads.nr > 1) die(_("Cannot merge multiple branches into empty head.")); - return pull_into_void(*merge_heads.sha1, curr_head); - } else if (opt_rebase) { - if (merge_heads.nr > 1) - die(_("Cannot rebase onto multiple branches.")); - return run_rebase(curr_head, *merge_heads.sha1, rebase_fork_point); - } else + return pull_into_void(merge_heads.oid, &curr_head); + } + if (opt_rebase && merge_heads.nr > 1) + die(_("Cannot rebase onto multiple branches.")); + + if (opt_rebase) { + struct commit_list *list = NULL; + struct commit *merge_head, *head; + + head = lookup_commit_reference(orig_head.hash); + commit_list_insert(head, &list); + merge_head = lookup_commit_reference(merge_heads.oid[0].hash); + if (is_descendant_of(merge_head, list)) { + /* we can fast-forward this without invoking rebase */ + opt_ff = "--ff-only"; + return run_merge(); + } + return run_rebase(&curr_head, merge_heads.oid, &rebase_fork_point); + } else { return run_merge(); + } } diff --git a/builtin/push.c b/builtin/push.c index 3bb9d6b..a597759 100644 --- a/builtin/push.c +++ b/builtin/push.c @@ -194,15 +194,18 @@ static void setup_push_upstream(struct remote *remote, struct branch *branch, die_push_simple(branch, remote); } - strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src); + strbuf_addf(&refspec, "%s:%s", branch->refname, branch->merge[0]->src); add_refspec(refspec.buf); } static void setup_push_current(struct remote *remote, struct branch *branch) { + struct strbuf refspec = STRBUF_INIT; + if (!branch) die(_(message_detached_head_die), remote->name); - add_refspec(branch->name); + strbuf_addf(&refspec, "%s:%s", branch->refname, branch->refname); + add_refspec(refspec.buf); } static int is_workflow_triangular(struct remote *remote) @@ -507,8 +510,8 @@ int cmd_push(int argc, const char **argv, const char *prefix) int push_cert = -1; int rc; const char *repo = NULL; /* default repository */ - static struct string_list push_options = STRING_LIST_INIT_DUP; - static struct string_list_item *item; + struct string_list push_options = STRING_LIST_INIT_DUP; + const struct string_list_item *item; struct option options[] = { OPT__VERBOSITY(&verbosity), @@ -565,6 +568,8 @@ int cmd_push(int argc, const char **argv, const char *prefix) flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK; else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) flags |= TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND; + else if (recurse_submodules == RECURSE_SUBMODULES_ONLY) + flags |= TRANSPORT_RECURSE_SUBMODULES_ONLY; if (tags) add_refspec("refs/tags/*"); @@ -579,6 +584,7 @@ int cmd_push(int argc, const char **argv, const char *prefix) die(_("push options must not have new line characters")); rc = do_push(repo, flags, &push_options); + string_list_clear(&push_options, 0); if (rc == -1) usage_with_options(push_usage, options); else diff --git a/builtin/read-tree.c b/builtin/read-tree.c index 8c693e7..23e212e 100644 --- a/builtin/read-tree.c +++ b/builtin/read-tree.c @@ -15,10 +15,13 @@ #include "builtin.h" #include "parse-options.h" #include "resolve-undo.h" +#include "submodule.h" +#include "submodule-config.h" static int nr_trees; static int read_empty; static struct tree *trees[MAX_UNPACK_TREES]; +static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT; static int list_tree(unsigned char *sha1) { @@ -78,7 +81,7 @@ static void debug_stage(const char *label, const struct cache_entry *ce, else printf("%06o #%d %s %.8s\n", ce->ce_mode, ce_stage(ce), ce->name, - sha1_to_hex(ce->sha1)); + oid_to_hex(&ce->oid)); } static int debug_merge(const struct cache_entry * const *stages, @@ -96,6 +99,23 @@ static int debug_merge(const struct cache_entry * const *stages, return 0; } +static int option_parse_recurse_submodules(const struct option *opt, + const char *arg, int unset) +{ + if (unset) { + recurse_submodules = RECURSE_SUBMODULES_OFF; + return 0; + } + if (arg) + recurse_submodules = + parse_update_recurse_submodules_arg(opt->long_name, + arg); + else + recurse_submodules = RECURSE_SUBMODULES_ON; + + return 0; +} + static struct lock_file lock_file; int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) @@ -109,34 +129,37 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) { OPTION_CALLBACK, 0, "index-output", NULL, N_("file"), N_("write resulting index to <file>"), PARSE_OPT_NONEG, index_output_cb }, - OPT_SET_INT(0, "empty", &read_empty, - N_("only empty the index"), 1), + OPT_BOOL(0, "empty", &read_empty, + N_("only empty the index")), OPT__VERBOSE(&opts.verbose_update, N_("be verbose")), OPT_GROUP(N_("Merging")), - OPT_SET_INT('m', NULL, &opts.merge, - N_("perform a merge in addition to a read"), 1), - OPT_SET_INT(0, "trivial", &opts.trivial_merges_only, - N_("3-way merge if no file level merging required"), 1), - OPT_SET_INT(0, "aggressive", &opts.aggressive, - N_("3-way merge in presence of adds and removes"), 1), - OPT_SET_INT(0, "reset", &opts.reset, - N_("same as -m, but discard unmerged entries"), 1), + OPT_BOOL('m', NULL, &opts.merge, + N_("perform a merge in addition to a read")), + OPT_BOOL(0, "trivial", &opts.trivial_merges_only, + N_("3-way merge if no file level merging required")), + OPT_BOOL(0, "aggressive", &opts.aggressive, + N_("3-way merge in presence of adds and removes")), + OPT_BOOL(0, "reset", &opts.reset, + N_("same as -m, but discard unmerged entries")), { OPTION_STRING, 0, "prefix", &opts.prefix, N_("<subdirectory>/"), N_("read the tree into the index under <subdirectory>/"), PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP }, - OPT_SET_INT('u', NULL, &opts.update, - N_("update working tree with merge result"), 1), + OPT_BOOL('u', NULL, &opts.update, + N_("update working tree with merge result")), { OPTION_CALLBACK, 0, "exclude-per-directory", &opts, N_("gitignore"), N_("allow explicitly ignored files to be overwritten"), PARSE_OPT_NONEG, exclude_per_directory_cb }, - OPT_SET_INT('i', NULL, &opts.index_only, - N_("don't check the working tree after merging"), 1), + OPT_BOOL('i', NULL, &opts.index_only, + N_("don't check the working tree after merging")), OPT__DRY_RUN(&opts.dry_run, N_("don't update the index or the work tree")), - OPT_SET_INT(0, "no-sparse-checkout", &opts.skip_sparse_checkout, - N_("skip applying sparse checkout filter"), 1), - OPT_SET_INT(0, "debug-unpack", &opts.debug_unpack, - N_("debug unpack-trees"), 1), + OPT_BOOL(0, "no-sparse-checkout", &opts.skip_sparse_checkout, + N_("skip applying sparse checkout filter")), + OPT_BOOL(0, "debug-unpack", &opts.debug_unpack, + N_("debug unpack-trees")), + { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, + "checkout", "control recursive updating of submodules", + PARSE_OPT_OPTARG, option_parse_recurse_submodules }, OPT_END() }; @@ -150,7 +173,13 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) argc = parse_options(argc, argv, unused_prefix, read_tree_options, read_tree_usage, 0); - hold_locked_index(&lock_file, 1); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); + + if (recurse_submodules != RECURSE_SUBMODULES_DEFAULT) { + gitmodules_config(); + git_config(submodule_config, NULL); + set_config_update_recurse_submodules(RECURSE_SUBMODULES_ON); + } prefix_set = opts.prefix ? 1 : 0; if (1 < opts.merge + opts.reset + prefix_set) diff --git a/builtin/rebase--helper.c b/builtin/rebase--helper.c new file mode 100644 index 0000000..ca1ebb2 --- /dev/null +++ b/builtin/rebase--helper.c @@ -0,0 +1,40 @@ +#include "builtin.h" +#include "cache.h" +#include "parse-options.h" +#include "sequencer.h" + +static const char * const builtin_rebase_helper_usage[] = { + N_("git rebase--helper [<options>]"), + NULL +}; + +int cmd_rebase__helper(int argc, const char **argv, const char *prefix) +{ + struct replay_opts opts = REPLAY_OPTS_INIT; + enum { + CONTINUE = 1, ABORT + } command = 0; + struct option options[] = { + OPT_BOOL(0, "ff", &opts.allow_ff, N_("allow fast-forward")), + OPT_CMDMODE(0, "continue", &command, N_("continue rebase"), + CONTINUE), + OPT_CMDMODE(0, "abort", &command, N_("abort rebase"), + ABORT), + OPT_END() + }; + + git_config(git_default_config, NULL); + + opts.action = REPLAY_INTERACTIVE_REBASE; + opts.allow_ff = 1; + opts.allow_empty = 1; + + argc = parse_options(argc, argv, NULL, options, + builtin_rebase_helper_usage, PARSE_OPT_KEEP_ARGV0); + + if (command == CONTINUE && argc == 1) + return !!sequencer_continue(&opts); + if (command == ABORT && argc == 1) + return !!sequencer_remove_state(&opts); + usage_with_options(builtin_rebase_helper_usage, options); +} diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index eee5faa..f96834f 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -20,6 +20,8 @@ #include "gpg-interface.h" #include "sigchain.h" #include "fsck.h" +#include "tmp-objdir.h" +#include "oidset.h" static const char * const receive_pack_usage[] = { N_("git receive-pack <git-dir>"), @@ -46,6 +48,7 @@ static int transfer_unpack_limit = -1; static int advertise_atomic_push = 1; static int advertise_push_options; static int unpack_limit = 100; +static off_t max_input_size; static int report_status; static int use_sideband; static int use_atomic; @@ -85,6 +88,8 @@ static enum { } use_keepalive; static int keepalive_in_sec = 5; +static struct tmp_objdir *tmp_objdir; + static enum deny_action parse_deny_action(const char *var, const char *value) { if (value) { @@ -212,13 +217,18 @@ static int receive_pack_config(const char *var, const char *value, void *cb) return 0; } + if (strcmp(var, "receive.maxinputsize") == 0) { + max_input_size = git_config_int64(var, value); + return 0; + } + return git_default_config(var, value, cb); } -static void show_ref(const char *path, const unsigned char *sha1) +static void show_ref(const char *path, const struct object_id *oid) { if (sent_capabilities) { - packet_write(1, "%s %s\n", sha1_to_hex(sha1), path); + packet_write_fmt(1, "%s %s\n", oid_to_hex(oid), path); } else { struct strbuf cap = STRBUF_INIT; @@ -233,16 +243,17 @@ static void show_ref(const char *path, const unsigned char *sha1) if (advertise_push_options) strbuf_addstr(&cap, " push-options"); strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized()); - packet_write(1, "%s %s%c%s\n", - sha1_to_hex(sha1), path, 0, cap.buf); + packet_write_fmt(1, "%s %s%c%s\n", + oid_to_hex(oid), path, 0, cap.buf); strbuf_release(&cap); sent_capabilities = 1; } } static int show_ref_cb(const char *path_full, const struct object_id *oid, - int flag, void *unused) + int flag, void *data) { + struct oidset *seen = data; const char *path = strip_namespace(path_full); if (ref_is_hidden(path, path_full)) @@ -251,38 +262,40 @@ static int show_ref_cb(const char *path_full, const struct object_id *oid, /* * Advertise refs outside our current namespace as ".have" * refs, so that the client can use them to minimize data - * transfer but will otherwise ignore them. This happens to - * cover ".have" that are thrown in by add_one_alternate_ref() - * to mark histories that are complete in our alternates as - * well. + * transfer but will otherwise ignore them. */ - if (!path) + if (!path) { + if (oidset_insert(seen, oid)) + return 0; path = ".have"; - show_ref(path, oid->hash); + } else { + oidset_insert(seen, oid); + } + show_ref(path, oid); return 0; } -static void show_one_alternate_sha1(const unsigned char sha1[20], void *unused) +static void show_one_alternate_ref(const char *refname, + const struct object_id *oid, + void *data) { - show_ref(".have", sha1); -} + struct oidset *seen = data; -static void collect_one_alternate_ref(const struct ref *ref, void *data) -{ - struct sha1_array *sa = data; - sha1_array_append(sa, ref->old_oid.hash); + if (oidset_insert(seen, oid)) + return; + + show_ref(".have", oid); } static void write_head_info(void) { - struct sha1_array sa = SHA1_ARRAY_INIT; + static struct oidset seen = OIDSET_INIT; - for_each_alternate_ref(collect_one_alternate_ref, &sa); - sha1_array_for_each_unique(&sa, show_one_alternate_sha1, NULL); - sha1_array_clear(&sa); - for_each_ref(show_ref_cb, NULL); + for_each_ref(show_ref_cb, &seen); + for_each_alternate_ref(show_one_alternate_ref, &seen); + oidset_clear(&seen); if (!sent_capabilities) - show_ref("capabilities^{}", null_sha1); + show_ref("capabilities^{}", &null_oid); advertise_shallow_grafts(1); @@ -296,8 +309,8 @@ struct command { unsigned int skip_update:1, did_not_exist:1; int index; - unsigned char old_sha1[20]; - unsigned char new_sha1[20]; + struct object_id old_oid; + struct object_id new_oid; char ref_name[FLEX_ARRAY]; /* more */ }; @@ -657,6 +670,9 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, } else argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT"); + if (tmp_objdir) + argv_array_pushv(&proc.env_array, tmp_objdir_env(tmp_objdir)); + if (use_sideband) { memset(&muxer, 0, sizeof(muxer)); muxer.proc = copy_to_sideband; @@ -707,7 +723,7 @@ static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep) return -1; /* EOF */ strbuf_reset(&state->buf); strbuf_addf(&state->buf, "%s %s %s\n", - sha1_to_hex(cmd->old_sha1), sha1_to_hex(cmd->new_sha1), + oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid), cmd->ref_name); state->cmd = cmd->next; if (bufp) { @@ -748,8 +764,8 @@ static int run_update_hook(struct command *cmd) return 0; argv[1] = cmd->ref_name; - argv[2] = sha1_to_hex(cmd->old_sha1); - argv[3] = sha1_to_hex(cmd->new_sha1); + argv[2] = oid_to_hex(&cmd->old_oid); + argv[3] = oid_to_hex(&cmd->new_oid); argv[4] = NULL; proc.no_stdin = 1; @@ -775,54 +791,46 @@ static int is_ref_checked_out(const char *ref) return !strcmp(head_name, ref); } -static char *refuse_unconfigured_deny_msg[] = { - "By default, updating the current branch in a non-bare repository", - "is denied, because it will make the index and work tree inconsistent", - "with what you pushed, and will require 'git reset --hard' to match", - "the work tree to HEAD.", - "", - "You can set 'receive.denyCurrentBranch' configuration variable to", - "'ignore' or 'warn' in the remote repository to allow pushing into", - "its current branch; however, this is not recommended unless you", - "arranged to update its work tree to match what you pushed in some", - "other way.", - "", - "To squelch this message and still keep the default behaviour, set", - "'receive.denyCurrentBranch' configuration variable to 'refuse'." -}; +static char *refuse_unconfigured_deny_msg = + N_("By default, updating the current branch in a non-bare repository\n" + "is denied, because it will make the index and work tree inconsistent\n" + "with what you pushed, and will require 'git reset --hard' to match\n" + "the work tree to HEAD.\n" + "\n" + "You can set the 'receive.denyCurrentBranch' configuration variable\n" + "to 'ignore' or 'warn' in the remote repository to allow pushing into\n" + "its current branch; however, this is not recommended unless you\n" + "arranged to update its work tree to match what you pushed in some\n" + "other way.\n" + "\n" + "To squelch this message and still keep the default behaviour, set\n" + "'receive.denyCurrentBranch' configuration variable to 'refuse'."); static void refuse_unconfigured_deny(void) { - int i; - for (i = 0; i < ARRAY_SIZE(refuse_unconfigured_deny_msg); i++) - rp_error("%s", refuse_unconfigured_deny_msg[i]); + rp_error("%s", _(refuse_unconfigured_deny_msg)); } -static char *refuse_unconfigured_deny_delete_current_msg[] = { - "By default, deleting the current branch is denied, because the next", - "'git clone' won't result in any file checked out, causing confusion.", - "", - "You can set 'receive.denyDeleteCurrent' configuration variable to", - "'warn' or 'ignore' in the remote repository to allow deleting the", - "current branch, with or without a warning message.", - "", - "To squelch this message, you can set it to 'refuse'." -}; +static char *refuse_unconfigured_deny_delete_current_msg = + N_("By default, deleting the current branch is denied, because the next\n" + "'git clone' won't result in any file checked out, causing confusion.\n" + "\n" + "You can set 'receive.denyDeleteCurrent' configuration variable to\n" + "'warn' or 'ignore' in the remote repository to allow deleting the\n" + "current branch, with or without a warning message.\n" + "\n" + "To squelch this message, you can set it to 'refuse'."); static void refuse_unconfigured_deny_delete_current(void) { - int i; - for (i = 0; - i < ARRAY_SIZE(refuse_unconfigured_deny_delete_current_msg); - i++) - rp_error("%s", refuse_unconfigured_deny_delete_current_msg[i]); + rp_error("%s", _(refuse_unconfigured_deny_delete_current_msg)); } static int command_singleton_iterator(void *cb_data, unsigned char sha1[20]); static int update_shallow_ref(struct command *cmd, struct shallow_info *si) { static struct lock_file shallow_lock; - struct sha1_array extra = SHA1_ARRAY_INIT; + struct oid_array extra = OID_ARRAY_INIT; struct check_connected_options opt = CHECK_CONNECTED_INIT; uint32_t mask = 1 << (cmd->index % 32); int i; @@ -833,12 +841,13 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si) if (si->used_shallow[i] && (si->used_shallow[i][cmd->index / 32] & mask) && !delayed_reachability_test(si, i)) - sha1_array_append(&extra, si->shallow->sha1[i]); + oid_array_append(&extra, &si->shallow->oid[i]); + opt.env = tmp_objdir_env(tmp_objdir); setup_alternate_shallow(&shallow_lock, &opt.shallow_file, &extra); if (check_connected(command_singleton_iterator, cmd, &opt)) { rollback_lock_file(&shallow_lock); - sha1_array_clear(&extra); + oid_array_clear(&extra); return -1; } @@ -849,10 +858,10 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si) * not lose these new roots.. */ for (i = 0; i < extra.nr; i++) - register_shallow(extra.sha1[i]); + register_shallow(extra.oid[i].hash); si->shallow_ref[cmd->index] = 0; - sha1_array_clear(&extra); + oid_array_clear(&extra); return 0; } @@ -978,8 +987,8 @@ static const char *update(struct command *cmd, struct shallow_info *si) const char *name = cmd->ref_name; struct strbuf namespaced_name_buf = STRBUF_INIT; const char *namespaced_name, *ret; - unsigned char *old_sha1 = cmd->old_sha1; - unsigned char *new_sha1 = cmd->new_sha1; + struct object_id *old_oid = &cmd->old_oid; + struct object_id *new_oid = &cmd->new_oid; /* only refs/... are allowed */ if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) { @@ -1004,20 +1013,20 @@ static const char *update(struct command *cmd, struct shallow_info *si) refuse_unconfigured_deny(); return "branch is currently checked out"; case DENY_UPDATE_INSTEAD: - ret = update_worktree(new_sha1); + ret = update_worktree(new_oid->hash); if (ret) return ret; break; } } - if (!is_null_sha1(new_sha1) && !has_sha1_file(new_sha1)) { + if (!is_null_oid(new_oid) && !has_object_file(new_oid)) { error("unpack should have generated %s, " - "but I can't find it!", sha1_to_hex(new_sha1)); + "but I can't find it!", oid_to_hex(new_oid)); return "bad pack"; } - if (!is_null_sha1(old_sha1) && is_null_sha1(new_sha1)) { + if (!is_null_oid(old_oid) && is_null_oid(new_oid)) { if (deny_deletes && starts_with(name, "refs/heads/")) { rp_error("denying ref deletion for %s", name); return "deletion prohibited"; @@ -1043,14 +1052,14 @@ static const char *update(struct command *cmd, struct shallow_info *si) } } - if (deny_non_fast_forwards && !is_null_sha1(new_sha1) && - !is_null_sha1(old_sha1) && + if (deny_non_fast_forwards && !is_null_oid(new_oid) && + !is_null_oid(old_oid) && starts_with(name, "refs/heads/")) { struct object *old_object, *new_object; struct commit *old_commit, *new_commit; - old_object = parse_object(old_sha1); - new_object = parse_object(new_sha1); + old_object = parse_object(old_oid->hash); + new_object = parse_object(new_oid->hash); if (!old_object || !new_object || old_object->type != OBJ_COMMIT || @@ -1071,10 +1080,10 @@ static const char *update(struct command *cmd, struct shallow_info *si) return "hook declined"; } - if (is_null_sha1(new_sha1)) { + if (is_null_oid(new_oid)) { struct strbuf err = STRBUF_INIT; - if (!parse_object(old_sha1)) { - old_sha1 = NULL; + if (!parse_object(old_oid->hash)) { + old_oid = NULL; if (ref_exists(name)) { rp_warning("Allowing deletion of corrupt ref."); } else { @@ -1084,7 +1093,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) } if (ref_transaction_delete(transaction, namespaced_name, - old_sha1, + old_oid->hash, 0, "push", &err)) { rp_error("%s", err.buf); strbuf_release(&err); @@ -1101,7 +1110,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) if (ref_transaction_update(transaction, namespaced_name, - new_sha1, old_sha1, + new_oid->hash, old_oid->hash, 0, "push", &err)) { rp_error("%s", err.buf); @@ -1118,25 +1127,22 @@ static const char *update(struct command *cmd, struct shallow_info *si) static void run_update_post_hook(struct command *commands) { struct command *cmd; - int argc; struct child_process proc = CHILD_PROCESS_INIT; const char *hook; hook = find_hook("post-update"); - for (argc = 0, cmd = commands; cmd; cmd = cmd->next) { - if (cmd->error_string || cmd->did_not_exist) - continue; - argc++; - } - if (!argc || !hook) + if (!hook) return; - argv_array_push(&proc.args, hook); for (cmd = commands; cmd; cmd = cmd->next) { if (cmd->error_string || cmd->did_not_exist) continue; + if (!proc.args.argc) + argv_array_push(&proc.args, hook); argv_array_push(&proc.args, cmd->ref_name); } + if (!proc.args.argc) + return; proc.no_stdin = 1; proc.stdout_to_stderr = 1; @@ -1155,11 +1161,7 @@ static void check_aliased_update(struct command *cmd, struct string_list *list) const char *dst_name; struct string_list_item *item; struct command *dst_cmd; - unsigned char sha1[GIT_SHA1_RAWSZ]; - char cmd_oldh[GIT_SHA1_HEXSZ + 1], - cmd_newh[GIT_SHA1_HEXSZ + 1], - dst_oldh[GIT_SHA1_HEXSZ + 1], - dst_newh[GIT_SHA1_HEXSZ + 1]; + unsigned char sha1[GIT_MAX_RAWSZ]; int flag; strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name); @@ -1184,20 +1186,20 @@ static void check_aliased_update(struct command *cmd, struct string_list *list) dst_cmd = (struct command *) item->util; - if (!hashcmp(cmd->old_sha1, dst_cmd->old_sha1) && - !hashcmp(cmd->new_sha1, dst_cmd->new_sha1)) + if (!oidcmp(&cmd->old_oid, &dst_cmd->old_oid) && + !oidcmp(&cmd->new_oid, &dst_cmd->new_oid)) return; dst_cmd->skip_update = 1; - find_unique_abbrev_r(cmd_oldh, cmd->old_sha1, DEFAULT_ABBREV); - find_unique_abbrev_r(cmd_newh, cmd->new_sha1, DEFAULT_ABBREV); - find_unique_abbrev_r(dst_oldh, dst_cmd->old_sha1, DEFAULT_ABBREV); - find_unique_abbrev_r(dst_newh, dst_cmd->new_sha1, DEFAULT_ABBREV); rp_error("refusing inconsistent update between symref '%s' (%s..%s) and" " its target '%s' (%s..%s)", - cmd->ref_name, cmd_oldh, cmd_newh, - dst_cmd->ref_name, dst_oldh, dst_newh); + cmd->ref_name, + find_unique_abbrev(cmd->old_oid.hash, DEFAULT_ABBREV), + find_unique_abbrev(cmd->new_oid.hash, DEFAULT_ABBREV), + dst_cmd->ref_name, + find_unique_abbrev(dst_cmd->old_oid.hash, DEFAULT_ABBREV), + find_unique_abbrev(dst_cmd->new_oid.hash, DEFAULT_ABBREV)); cmd->error_string = dst_cmd->error_string = "inconsistent aliased update"; @@ -1228,10 +1230,10 @@ static int command_singleton_iterator(void *cb_data, unsigned char sha1[20]) struct command **cmd_list = cb_data; struct command *cmd = *cmd_list; - if (!cmd || is_null_sha1(cmd->new_sha1)) + if (!cmd || is_null_oid(&cmd->new_oid)) return -1; /* end of list */ *cmd_list = NULL; /* this returns only one */ - hashcpy(sha1, cmd->new_sha1); + hashcpy(sha1, cmd->new_oid.hash); return 0; } @@ -1242,12 +1244,17 @@ static void set_connectivity_errors(struct command *commands, for (cmd = commands; cmd; cmd = cmd->next) { struct command *singleton = cmd; + struct check_connected_options opt = CHECK_CONNECTED_INIT; + if (shallow_update && si->shallow_ref[cmd->index]) /* to be checked in update_shallow_ref() */ continue; + + opt.env = tmp_objdir_env(tmp_objdir); if (!check_connected(command_singleton_iterator, &singleton, - NULL)) + &opt)) continue; + cmd->error_string = "missing necessary objects"; } } @@ -1267,8 +1274,8 @@ static int iterate_receive_command_list(void *cb_data, unsigned char sha1[20]) if (shallow_update && data->si->shallow_ref[cmd->index]) /* to be checked in update_shallow_ref() */ continue; - if (!is_null_sha1(cmd->new_sha1) && !cmd->skip_update) { - hashcpy(sha1, cmd->new_sha1); + if (!is_null_oid(&cmd->new_oid) && !cmd->skip_update) { + hashcpy(sha1, cmd->new_oid.hash); *cmd_list = cmd->next; return 0; } @@ -1295,7 +1302,7 @@ static void reject_updates_to_hidden(struct command *commands) if (!ref_is_hidden(cmd->ref_name, refname_full.buf)) continue; - if (is_null_sha1(cmd->new_sha1)) + if (is_null_oid(&cmd->new_oid)) cmd->error_string = "deny deleting a hidden ref"; else cmd->error_string = "deny updating a hidden ref"; @@ -1406,7 +1413,7 @@ static void execute_commands(struct command *commands, { struct check_connected_options opt = CHECK_CONNECTED_INIT; struct command *cmd; - unsigned char sha1[20]; + struct object_id oid; struct iterate_data data; struct async muxer; int err_fd = 0; @@ -1430,6 +1437,7 @@ static void execute_commands(struct command *commands, data.si = si; opt.err_fd = err_fd; opt.progress = err_fd && !quiet; + opt.env = tmp_objdir_env(tmp_objdir); if (check_connected(iterate_receive_command_list, &data, &opt)) set_connectivity_errors(commands, si); @@ -1446,10 +1454,23 @@ static void execute_commands(struct command *commands, return; } + /* + * Now we'll start writing out refs, which means the objects need + * to be in their final positions so that other processes can see them. + */ + if (tmp_objdir_migrate(tmp_objdir) < 0) { + for (cmd = commands; cmd; cmd = cmd->next) { + if (!cmd->error_string) + cmd->error_string = "unable to migrate objects to permanent storage"; + } + return; + } + tmp_objdir = NULL; + check_aliased_updates(commands); free(head_name_to_free); - head_name = head_name_to_free = resolve_refdup("HEAD", 0, sha1, NULL); + head_name = head_name_to_free = resolve_refdup("HEAD", 0, oid.hash, NULL); if (use_atomic) execute_commands_atomic(commands, si); @@ -1464,23 +1485,23 @@ static struct command **queue_command(struct command **tail, const char *line, int linelen) { - unsigned char old_sha1[20], new_sha1[20]; + struct object_id old_oid, new_oid; struct command *cmd; const char *refname; int reflen; + const char *p; - if (linelen < 83 || - line[40] != ' ' || - line[81] != ' ' || - get_sha1_hex(line, old_sha1) || - get_sha1_hex(line + 41, new_sha1)) + if (parse_oid_hex(line, &old_oid, &p) || + *p++ != ' ' || + parse_oid_hex(p, &new_oid, &p) || + *p++ != ' ') die("protocol error: expected old/new/ref, got '%s'", line); - refname = line + 82; - reflen = linelen - 82; + refname = p; + reflen = linelen - (p - line); FLEX_ALLOC_MEM(cmd, ref_name, refname, reflen); - hashcpy(cmd->old_sha1, old_sha1); - hashcpy(cmd->new_sha1, new_sha1); + oidcpy(&cmd->old_oid, &old_oid); + oidcpy(&cmd->new_oid, &new_oid); *tail = cmd; return &cmd->next; } @@ -1502,12 +1523,12 @@ static void queue_commands_from_cert(struct command **tail, while (boc < eoc) { const char *eol = memchr(boc, '\n', eoc - boc); - tail = queue_command(tail, boc, eol ? eol - boc : eoc - eol); + tail = queue_command(tail, boc, eol ? eol - boc : eoc - boc); boc = eol ? eol + 1 : eoc; } } -static struct command *read_head_info(struct sha1_array *shallow) +static struct command *read_head_info(struct oid_array *shallow) { struct command *commands = NULL; struct command **p = &commands; @@ -1519,12 +1540,12 @@ static struct command *read_head_info(struct sha1_array *shallow) if (!line) break; - if (len == 48 && starts_with(line, "shallow ")) { - unsigned char sha1[20]; - if (get_sha1_hex(line + 8, sha1)) + if (len > 8 && starts_with(line, "shallow ")) { + struct object_id oid; + if (get_oid_hex(line + 8, &oid)) die("protocol error: expected shallow sha, got '%s'", line + 8); - sha1_array_append(shallow, sha1); + oid_array_append(shallow, &oid); continue; } @@ -1612,12 +1633,17 @@ static const char *parse_pack_header(struct pack_header *hdr) static const char *pack_lockfile; +static void push_header_arg(struct argv_array *args, struct pack_header *hdr) +{ + argv_array_pushf(args, "--pack_header=%"PRIu32",%"PRIu32, + ntohl(hdr->hdr_version), ntohl(hdr->hdr_entries)); +} + static const char *unpack(int err_fd, struct shallow_info *si) { struct pack_header hdr; const char *hdr_err; int status; - char hdr_arg[38]; struct child_process child = CHILD_PROCESS_INIT; int fsck_objects = (receive_fsck_objects >= 0 ? receive_fsck_objects @@ -1631,9 +1657,6 @@ static const char *unpack(int err_fd, struct shallow_info *si) close(err_fd); return hdr_err; } - snprintf(hdr_arg, sizeof(hdr_arg), - "--pack_header=%"PRIu32",%"PRIu32, - ntohl(hdr.hdr_version), ntohl(hdr.hdr_entries)); if (si->nr_ours || si->nr_theirs) { alt_shallow_file = setup_temporary_shallow(si->shallow); @@ -1641,13 +1664,32 @@ static const char *unpack(int err_fd, struct shallow_info *si) argv_array_push(&child.args, alt_shallow_file); } + tmp_objdir = tmp_objdir_create(); + if (!tmp_objdir) { + if (err_fd > 0) + close(err_fd); + return "unable to create temporary object directory"; + } + child.env = tmp_objdir_env(tmp_objdir); + + /* + * Normally we just pass the tmp_objdir environment to the child + * processes that do the heavy lifting, but we may need to see these + * objects ourselves to set up shallow information. + */ + tmp_objdir_add_as_alternate(tmp_objdir); + if (ntohl(hdr.hdr_entries) < unpack_limit) { - argv_array_pushl(&child.args, "unpack-objects", hdr_arg, NULL); + argv_array_push(&child.args, "unpack-objects"); + push_header_arg(&child.args, &hdr); if (quiet) argv_array_push(&child.args, "-q"); if (fsck_objects) argv_array_pushf(&child.args, "--strict%s", fsck_msg_types.buf); + if (max_input_size) + argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, + (uintmax_t)max_input_size); child.no_stdout = 1; child.err = err_fd; child.git_cmd = 1; @@ -1657,8 +1699,8 @@ static const char *unpack(int err_fd, struct shallow_info *si) } else { char hostname[HOST_NAME_MAX + 1]; - argv_array_pushl(&child.args, "index-pack", - "--stdin", hdr_arg, NULL); + argv_array_pushl(&child.args, "index-pack", "--stdin", NULL); + push_header_arg(&child.args, &hdr); if (xgethostname(hostname, sizeof(hostname))) xsnprintf(hostname, sizeof(hostname), "localhost"); @@ -1676,6 +1718,9 @@ static const char *unpack(int err_fd, struct shallow_info *si) fsck_msg_types.buf); if (!reject_thin) argv_array_push(&child.args, "--fix-thin"); + if (max_input_size) + argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, + (uintmax_t)max_input_size); child.out = -1; child.err = err_fd; child.git_cmd = 1; @@ -1761,7 +1806,7 @@ static void prepare_shallow_update(struct command *commands, static void update_shallow_info(struct command *commands, struct shallow_info *si, - struct sha1_array *ref) + struct oid_array *ref) { struct command *cmd; int *ref_status; @@ -1772,9 +1817,9 @@ static void update_shallow_info(struct command *commands, } for (cmd = commands; cmd; cmd = cmd->next) { - if (is_null_sha1(cmd->new_sha1)) + if (is_null_oid(&cmd->new_oid)) continue; - sha1_array_append(ref, cmd->new_sha1); + oid_array_append(ref, &cmd->new_oid); cmd->index = ref->nr - 1; } si->ref = ref; @@ -1787,7 +1832,7 @@ static void update_shallow_info(struct command *commands, ALLOC_ARRAY(ref_status, ref->nr); assign_shallow_commits_to_refs(si, NULL, ref_status); for (cmd = commands; cmd; cmd = cmd->next) { - if (is_null_sha1(cmd->new_sha1)) + if (is_null_oid(&cmd->new_oid)) continue; if (ref_status[cmd->index]) { cmd->error_string = "shallow update not allowed"; @@ -1825,7 +1870,7 @@ static int delete_only(struct command *commands) { struct command *cmd; for (cmd = commands; cmd; cmd = cmd->next) { - if (!is_null_sha1(cmd->new_sha1)) + if (!is_null_oid(&cmd->new_oid)) return 0; } return 1; @@ -1835,8 +1880,8 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) { int advertise_refs = 0; struct command *commands; - struct sha1_array shallow = SHA1_ARRAY_INIT; - struct sha1_array ref = SHA1_ARRAY_INIT; + struct oid_array shallow = OID_ARRAY_INIT; + struct oid_array ref = OID_ARRAY_INIT; struct shallow_info si; struct option options[] = { @@ -1902,8 +1947,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) run_receive_hook(commands, "post-receive", 1, &push_options); run_update_post_hook(commands); - if (push_options.nr) - string_list_clear(&push_options, 0); + string_list_clear(&push_options, 0); if (auto_gc) { const char *argv_gc_auto[] = { "gc", "--auto", "--quiet", NULL, @@ -1929,8 +1973,8 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) } if (use_sideband) packet_flush(1); - sha1_array_clear(&shallow); - sha1_array_clear(&ref); + oid_array_clear(&shallow); + oid_array_clear(&ref); free((void *)push_cert_nonce); return 0; } diff --git a/builtin/reflog.c b/builtin/reflog.c index 7a7136e..7472775 100644 --- a/builtin/reflog.c +++ b/builtin/reflog.c @@ -615,7 +615,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) return status; } -static int count_reflog_ent(unsigned char *osha1, unsigned char *nsha1, +static int count_reflog_ent(struct object_id *ooid, struct object_id *noid, const char *email, unsigned long timestamp, int tz, const char *message, void *cb_data) { diff --git a/builtin/remote-ext.c b/builtin/remote-ext.c index 88eb8f9..11b48bf 100644 --- a/builtin/remote-ext.c +++ b/builtin/remote-ext.c @@ -128,9 +128,9 @@ static void send_git_request(int stdin_fd, const char *serv, const char *repo, const char *vhost) { if (!vhost) - packet_write(stdin_fd, "%s %s%c", serv, repo, 0); + packet_write_fmt(stdin_fd, "%s %s%c", serv, repo, 0); else - packet_write(stdin_fd, "%s %s%chost=%s%c", serv, repo, 0, + packet_write_fmt(stdin_fd, "%s %s%chost=%s%c", serv, repo, 0, vhost, 0); } diff --git a/builtin/remote.c b/builtin/remote.c index 9f6a6b3..addf97a 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -186,7 +186,7 @@ static int add(int argc, const char **argv) url = argv[1]; remote = remote_get(name); - if (remote_is_configured(remote)) + if (remote_is_configured(remote, 1)) die(_("remote %s already exists."), name); strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name); @@ -618,14 +618,14 @@ static int mv(int argc, const char **argv) rename.remote_branches = &remote_branches; oldremote = remote_get(rename.old); - if (!remote_is_configured(oldremote)) + if (!remote_is_configured(oldremote, 1)) die(_("No such remote: %s"), rename.old); if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG) return migrate_file(oldremote); newremote = remote_get(rename.new); - if (remote_is_configured(newremote)) + if (remote_is_configured(newremote, 1)) die(_("remote %s already exists."), rename.new); strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new); @@ -691,7 +691,7 @@ static int mv(int argc, const char **argv) read_ref_full(item->string, RESOLVE_REF_READING, oid.hash, &flag); if (!(flag & REF_ISSYMREF)) continue; - if (delete_ref(item->string, NULL, REF_NODEREF)) + if (delete_ref(NULL, item->string, NULL, REF_NODEREF)) die(_("deleting '%s' failed"), item->string); } for (i = 0; i < remote_branches.nr; i++) { @@ -753,7 +753,7 @@ static int rm(int argc, const char **argv) usage_with_options(builtin_remote_rm_usage, options); remote = remote_get(argv[1]); - if (!remote_is_configured(remote)) + if (!remote_is_configured(remote, 1)) die(_("No such remote: %s"), argv[1]); known_remotes.to_delete = remote; @@ -769,7 +769,9 @@ static int rm(int argc, const char **argv) strbuf_reset(&buf); strbuf_addf(&buf, "branch.%s.%s", item->string, *k); - git_config_set(buf.buf, NULL); + result = git_config_set_gently(buf.buf, NULL); + if (result && result != CONFIG_NOTHING_SET) + die(_("could not unset '%s'"), buf.buf); } } } @@ -1197,8 +1199,7 @@ static int show(int argc, const char **argv) info.width = info.width2 = 0; for_each_string_list(&states.push, add_push_to_show_info, &info); - qsort(info.list->items, info.list->nr, - sizeof(*info.list->items), cmp_string_with_push); + QSORT(info.list->items, info.list->nr, cmp_string_with_push); if (info.list->nr) printf_ln(Q_(" Local ref configured for 'git push'%s:", " Local refs configured for 'git push'%s:", @@ -1249,7 +1250,7 @@ static int set_head(int argc, const char **argv) head_name = xstrdup(states.heads.items[0].string); free_remote_ref_states(&states); } else if (opt_d && !opt_a && argc == 1) { - if (delete_ref(buf.buf, NULL, REF_NODEREF)) + if (delete_ref(NULL, buf.buf, NULL, REF_NODEREF)) result |= error(_("Could not delete %s"), buf.buf); } else usage_with_options(builtin_remote_sethead_usage, options); @@ -1416,7 +1417,7 @@ static int set_remote_branches(const char *remotename, const char **branches, strbuf_addf(&key, "remote.%s.fetch", remotename); remote = remote_get(remotename); - if (!remote_is_configured(remote)) + if (!remote_is_configured(remote, 1)) die(_("No such remote '%s'"), remotename); if (!add_mode && remove_all_fetch_refspecs(remotename, key.buf)) { @@ -1470,7 +1471,7 @@ static int get_url(int argc, const char **argv) remotename = argv[0]; remote = remote_get(remotename); - if (!remote_is_configured(remote)) + if (!remote_is_configured(remote, 1)) die(_("No such remote '%s'"), remotename); url_nr = 0; @@ -1538,7 +1539,7 @@ static int set_url(int argc, const char **argv) oldurl = newurl; remote = remote_get(remotename); - if (!remote_is_configured(remote)) + if (!remote_is_configured(remote, 1)) die(_("No such remote '%s'"), remotename); if (push_mode) { diff --git a/builtin/repack.c b/builtin/repack.c index 80dd06b..677bc7c 100644 --- a/builtin/repack.c +++ b/builtin/repack.c @@ -18,6 +18,12 @@ static const char *const git_repack_usage[] = { NULL }; +static const char incremental_bitmap_conflict_error[] = N_( +"Incremental repacks are incompatible with bitmap indexes. Use\n" +"--no-write-bitmap-index or disable the pack.writebitmaps configuration." +); + + static int repack_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "repack.usedeltabaseoffset")) { @@ -206,6 +212,9 @@ int cmd_repack(int argc, const char **argv, const char *prefix) if (pack_kept_objects < 0) pack_kept_objects = write_bitmaps; + if (write_bitmaps && !(pack_everything & ALL_INTO_ONE)) + die(_(incremental_bitmap_conflict_error)); + packdir = mkpathdup("%s/pack", get_object_directory()); packtmp = mkpathdup("%s/.tmp-%d-pack", packdir, (int)getpid()); diff --git a/builtin/replace.c b/builtin/replace.c index b58c714..ab17668 100644 --- a/builtin/replace.c +++ b/builtin/replace.c @@ -88,78 +88,81 @@ static int list_replace_refs(const char *pattern, const char *format) } typedef int (*each_replace_name_fn)(const char *name, const char *ref, - const unsigned char *sha1); + const struct object_id *oid); static int for_each_replace_name(const char **argv, each_replace_name_fn fn) { const char **p, *full_hex; - char ref[PATH_MAX]; + struct strbuf ref = STRBUF_INIT; + size_t base_len; int had_error = 0; - unsigned char sha1[20]; + struct object_id oid; + + strbuf_addstr(&ref, git_replace_ref_base); + base_len = ref.len; for (p = argv; *p; p++) { - if (get_sha1(*p, sha1)) { + if (get_oid(*p, &oid)) { error("Failed to resolve '%s' as a valid ref.", *p); had_error = 1; continue; } - full_hex = sha1_to_hex(sha1); - snprintf(ref, sizeof(ref), "%s%s", git_replace_ref_base, full_hex); - /* read_ref() may reuse the buffer */ - full_hex = ref + strlen(git_replace_ref_base); - if (read_ref(ref, sha1)) { + + strbuf_setlen(&ref, base_len); + strbuf_addstr(&ref, oid_to_hex(&oid)); + full_hex = ref.buf + base_len; + + if (read_ref(ref.buf, oid.hash)) { error("replace ref '%s' not found.", full_hex); had_error = 1; continue; } - if (fn(full_hex, ref, sha1)) + if (fn(full_hex, ref.buf, &oid)) had_error = 1; } + strbuf_release(&ref); return had_error; } static int delete_replace_ref(const char *name, const char *ref, - const unsigned char *sha1) + const struct object_id *oid) { - if (delete_ref(ref, sha1, 0)) + if (delete_ref(NULL, ref, oid->hash, 0)) return 1; printf("Deleted replace ref '%s'\n", name); return 0; } -static void check_ref_valid(unsigned char object[20], - unsigned char prev[20], - char *ref, - int ref_size, +static void check_ref_valid(struct object_id *object, + struct object_id *prev, + struct strbuf *ref, int force) { - if (snprintf(ref, ref_size, - "%s%s", git_replace_ref_base, - sha1_to_hex(object)) > ref_size - 1) - die("replace ref name too long: %.*s...", 50, ref); - if (check_refname_format(ref, 0)) - die("'%s' is not a valid ref name.", ref); - - if (read_ref(ref, prev)) - hashclr(prev); + strbuf_reset(ref); + strbuf_addf(ref, "%s%s", git_replace_ref_base, oid_to_hex(object)); + if (check_refname_format(ref->buf, 0)) + die("'%s' is not a valid ref name.", ref->buf); + + if (read_ref(ref->buf, prev->hash)) + oidclr(prev); else if (!force) - die("replace ref '%s' already exists", ref); + die("replace ref '%s' already exists", ref->buf); } -static int replace_object_sha1(const char *object_ref, - unsigned char object[20], +static int replace_object_oid(const char *object_ref, + struct object_id *object, const char *replace_ref, - unsigned char repl[20], + struct object_id *repl, int force) { - unsigned char prev[20]; + struct object_id prev; enum object_type obj_type, repl_type; - char ref[PATH_MAX]; + struct strbuf ref = STRBUF_INIT; struct ref_transaction *transaction; struct strbuf err = STRBUF_INIT; - obj_type = sha1_object_info(object, NULL); - repl_type = sha1_object_info(repl, NULL); + obj_type = sha1_object_info(object->hash, NULL); + repl_type = sha1_object_info(repl->hash, NULL); if (!force && obj_type != repl_type) die("Objects must be of the same type.\n" "'%s' points to a replaced object of type '%s'\n" @@ -167,29 +170,30 @@ static int replace_object_sha1(const char *object_ref, object_ref, typename(obj_type), replace_ref, typename(repl_type)); - check_ref_valid(object, prev, ref, sizeof(ref), force); + check_ref_valid(object, &prev, &ref, force); transaction = ref_transaction_begin(&err); if (!transaction || - ref_transaction_update(transaction, ref, repl, prev, + ref_transaction_update(transaction, ref.buf, repl->hash, prev.hash, 0, NULL, &err) || ref_transaction_commit(transaction, &err)) die("%s", err.buf); ref_transaction_free(transaction); + strbuf_release(&ref); return 0; } static int replace_object(const char *object_ref, const char *replace_ref, int force) { - unsigned char object[20], repl[20]; + struct object_id object, repl; - if (get_sha1(object_ref, object)) + if (get_oid(object_ref, &object)) die("Failed to resolve '%s' as a valid ref.", object_ref); - if (get_sha1(replace_ref, repl)) + if (get_oid(replace_ref, &repl)) die("Failed to resolve '%s' as a valid ref.", replace_ref); - return replace_object_sha1(object_ref, object, replace_ref, repl, force); + return replace_object_oid(object_ref, &object, replace_ref, &repl, force); } /* @@ -197,7 +201,7 @@ static int replace_object(const char *object_ref, const char *replace_ref, int f * If "raw" is true, then the object's raw contents are printed according to * "type". Otherwise, we pretty-print the contents for human editing. */ -static void export_object(const unsigned char *sha1, enum object_type type, +static void export_object(const struct object_id *oid, enum object_type type, int raw, const char *filename) { struct child_process cmd = CHILD_PROCESS_INIT; @@ -213,7 +217,7 @@ static void export_object(const unsigned char *sha1, enum object_type type, argv_array_push(&cmd.args, typename(type)); else argv_array_push(&cmd.args, "-p"); - argv_array_push(&cmd.args, sha1_to_hex(sha1)); + argv_array_push(&cmd.args, oid_to_hex(oid)); cmd.git_cmd = 1; cmd.out = fd; @@ -226,7 +230,7 @@ static void export_object(const unsigned char *sha1, enum object_type type, * interpreting it as "type", and writing the result to the object database. * The sha1 of the written object is returned via sha1. */ -static void import_object(unsigned char *sha1, enum object_type type, +static void import_object(struct object_id *oid, enum object_type type, int raw, const char *filename) { int fd; @@ -254,7 +258,7 @@ static void import_object(unsigned char *sha1, enum object_type type, if (finish_command(&cmd)) die("mktree reported failure"); - if (get_sha1_hex(result.buf, sha1) < 0) + if (get_oid_hex(result.buf, oid) < 0) die("mktree did not return an object name"); strbuf_release(&result); @@ -264,7 +268,7 @@ static void import_object(unsigned char *sha1, enum object_type type, if (fstat(fd, &st) < 0) die_errno("unable to fstat %s", filename); - if (index_fd(sha1, fd, &st, type, NULL, flags) < 0) + if (index_fd(oid->hash, fd, &st, type, NULL, flags) < 0) die("unable to write object to database"); /* index_fd close()s fd for us */ } @@ -279,29 +283,30 @@ static int edit_and_replace(const char *object_ref, int force, int raw) { char *tmpfile = git_pathdup("REPLACE_EDITOBJ"); enum object_type type; - unsigned char old[20], new[20], prev[20]; - char ref[PATH_MAX]; + struct object_id old, new, prev; + struct strbuf ref = STRBUF_INIT; - if (get_sha1(object_ref, old) < 0) + if (get_oid(object_ref, &old) < 0) die("Not a valid object name: '%s'", object_ref); - type = sha1_object_info(old, NULL); + type = sha1_object_info(old.hash, NULL); if (type < 0) - die("unable to get object type for %s", sha1_to_hex(old)); + die("unable to get object type for %s", oid_to_hex(&old)); - check_ref_valid(old, prev, ref, sizeof(ref), force); + check_ref_valid(&old, &prev, &ref, force); + strbuf_release(&ref); - export_object(old, type, raw, tmpfile); + export_object(&old, type, raw, tmpfile); if (launch_editor(tmpfile, NULL, NULL) < 0) die("editing object file failed"); - import_object(new, type, raw, tmpfile); + import_object(&new, type, raw, tmpfile); free(tmpfile); - if (!hashcmp(old, new)) - return error("new object is the same as the old one: '%s'", sha1_to_hex(old)); + if (!oidcmp(&old, &new)) + return error("new object is the same as the old one: '%s'", oid_to_hex(&old)); - return replace_object_sha1(object_ref, old, "replacement", new, force); + return replace_object_oid(object_ref, &old, "replacement", &new, force); } static void replace_parents(struct strbuf *buf, int argc, const char **argv) @@ -312,7 +317,7 @@ static void replace_parents(struct strbuf *buf, int argc, const char **argv) /* find existing parents */ parent_start = buf->buf; - parent_start += 46; /* "tree " + "hex sha1" + "\n" */ + parent_start += GIT_SHA1_HEXSZ + 6; /* "tree " + "hex sha1" + "\n" */ parent_end = parent_start; while (starts_with(parent_end, "parent ")) @@ -320,11 +325,11 @@ static void replace_parents(struct strbuf *buf, int argc, const char **argv) /* prepare new parents */ for (i = 0; i < argc; i++) { - unsigned char sha1[20]; - if (get_sha1(argv[i], sha1) < 0) + struct object_id oid; + if (get_oid(argv[i], &oid) < 0) die(_("Not a valid object name: '%s'"), argv[i]); - lookup_commit_or_die(sha1, argv[i]); - strbuf_addf(&new_parents, "parent %s\n", sha1_to_hex(sha1)); + lookup_commit_or_die(oid.hash, argv[i]); + strbuf_addf(&new_parents, "parent %s\n", oid_to_hex(&oid)); } /* replace existing parents with new ones */ @@ -345,12 +350,12 @@ static void check_one_mergetag(struct commit *commit, { struct check_mergetag_data *mergetag_data = (struct check_mergetag_data *)data; const char *ref = mergetag_data->argv[0]; - unsigned char tag_sha1[20]; + struct object_id tag_oid; struct tag *tag; int i; - hash_sha1_file(extra->value, extra->len, typename(OBJ_TAG), tag_sha1); - tag = lookup_tag(tag_sha1); + hash_sha1_file(extra->value, extra->len, typename(OBJ_TAG), tag_oid.hash); + tag = lookup_tag(tag_oid.hash); if (!tag) die(_("bad mergetag in commit '%s'"), ref); if (parse_tag_buffer(tag, extra->value, extra->len)) @@ -366,7 +371,7 @@ static void check_one_mergetag(struct commit *commit, } die(_("original commit '%s' contains mergetag '%s' that is discarded; " - "use --edit instead of --graft"), ref, sha1_to_hex(tag_sha1)); + "use --edit instead of --graft"), ref, oid_to_hex(&tag_oid)); } static void check_mergetags(struct commit *commit, int argc, const char **argv) @@ -380,16 +385,16 @@ static void check_mergetags(struct commit *commit, int argc, const char **argv) static int create_graft(int argc, const char **argv, int force) { - unsigned char old[20], new[20]; + struct object_id old, new; const char *old_ref = argv[0]; struct commit *commit; struct strbuf buf = STRBUF_INIT; const char *buffer; unsigned long size; - if (get_sha1(old_ref, old) < 0) + if (get_oid(old_ref, &old) < 0) die(_("Not a valid object name: '%s'"), old_ref); - commit = lookup_commit_or_die(old, old_ref); + commit = lookup_commit_or_die(old.hash, old_ref); buffer = get_commit_buffer(commit, &size); strbuf_add(&buf, buffer, size); @@ -404,15 +409,15 @@ static int create_graft(int argc, const char **argv, int force) check_mergetags(commit, argc, argv); - if (write_sha1_file(buf.buf, buf.len, commit_type, new)) + if (write_sha1_file(buf.buf, buf.len, commit_type, new.hash)) die(_("could not write replacement commit for: '%s'"), old_ref); strbuf_release(&buf); - if (!hashcmp(old, new)) - return error("new commit is the same as the old one: '%s'", sha1_to_hex(old)); + if (!oidcmp(&old, &new)) + return error("new commit is the same as the old one: '%s'", oid_to_hex(&old)); - return replace_object_sha1(old_ref, old, "replacement", new, force); + return replace_object_oid(old_ref, &old, "replacement", &new, force); } int cmd_replace(int argc, const char **argv, const char *prefix) diff --git a/builtin/reset.c b/builtin/reset.c index 9400acc..fc3b906 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -39,7 +39,7 @@ static inline int is_merge(void) return !access(git_path_merge_head(), F_OK); } -static int reset_index(const unsigned char *sha1, int reset_type, int quiet) +static int reset_index(const struct object_id *oid, int reset_type, int quiet) { int nr = 1; struct tree_desc desc[2]; @@ -69,22 +69,22 @@ static int reset_index(const unsigned char *sha1, int reset_type, int quiet) read_cache_unmerged(); if (reset_type == KEEP) { - unsigned char head_sha1[20]; - if (get_sha1("HEAD", head_sha1)) + struct object_id head_oid; + if (get_oid("HEAD", &head_oid)) return error(_("You do not have a valid HEAD.")); - if (!fill_tree_descriptor(desc, head_sha1)) + if (!fill_tree_descriptor(desc, head_oid.hash)) return error(_("Failed to find tree of HEAD.")); nr++; opts.fn = twoway_merge; } - if (!fill_tree_descriptor(desc + nr - 1, sha1)) - return error(_("Failed to find tree of %s."), sha1_to_hex(sha1)); + if (!fill_tree_descriptor(desc + nr - 1, oid->hash)) + return error(_("Failed to find tree of %s."), oid_to_hex(oid)); if (unpack_trees(nr, desc, &opts)) return -1; if (reset_type == MIXED || reset_type == HARD) { - tree = parse_tree_indirect(sha1); + tree = parse_tree_indirect(oid->hash); prime_cache_tree(&the_index, tree); } @@ -143,7 +143,7 @@ static void update_index_from_diff(struct diff_queue_struct *q, } static int read_from_tree(const struct pathspec *pathspec, - unsigned char *tree_sha1, + struct object_id *tree_oid, int intent_to_add) { struct diff_options opt; @@ -154,7 +154,7 @@ static int read_from_tree(const struct pathspec *pathspec, opt.format_callback = update_index_from_diff; opt.format_callback_data = &intent_to_add; - if (do_diff_cache(tree_sha1, &opt)) + if (do_diff_cache(tree_oid->hash, &opt)) return 1; diffcore_std(&opt); diff_flush(&opt); @@ -191,7 +191,7 @@ static void parse_args(struct pathspec *pathspec, const char **rev_ret) { const char *rev = "HEAD"; - unsigned char unused[20]; + struct object_id unused; /* * Possible arguments are: * @@ -216,8 +216,8 @@ static void parse_args(struct pathspec *pathspec, * has to be unambiguous. If there is a single argument, it * can not be a tree */ - else if ((!argv[1] && !get_sha1_committish(argv[0], unused)) || - (argv[1] && !get_sha1_treeish(argv[0], unused))) { + else if ((!argv[1] && !get_sha1_committish(argv[0], unused.hash)) || + (argv[1] && !get_sha1_treeish(argv[0], unused.hash))) { /* * Ok, argv[0] looks like a commit/tree; it should not * be a filename. @@ -241,24 +241,24 @@ static void parse_args(struct pathspec *pathspec, prefix, argv); } -static int reset_refs(const char *rev, const unsigned char *sha1) +static int reset_refs(const char *rev, const struct object_id *oid) { int update_ref_status; struct strbuf msg = STRBUF_INIT; - unsigned char *orig = NULL, sha1_orig[20], - *old_orig = NULL, sha1_old_orig[20]; + struct object_id *orig = NULL, oid_orig, + *old_orig = NULL, oid_old_orig; - if (!get_sha1("ORIG_HEAD", sha1_old_orig)) - old_orig = sha1_old_orig; - if (!get_sha1("HEAD", sha1_orig)) { - orig = sha1_orig; + if (!get_oid("ORIG_HEAD", &oid_old_orig)) + old_orig = &oid_old_orig; + if (!get_oid("HEAD", &oid_orig)) { + orig = &oid_orig; set_reflog_message(&msg, "updating ORIG_HEAD", NULL); - update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0, + update_ref_oid(msg.buf, "ORIG_HEAD", orig, old_orig, 0, UPDATE_REFS_MSG_ON_ERR); } else if (old_orig) - delete_ref("ORIG_HEAD", old_orig, 0); + delete_ref(NULL, "ORIG_HEAD", old_orig->hash, 0); set_reflog_message(&msg, "updating HEAD", rev); - update_ref_status = update_ref(msg.buf, "HEAD", sha1, orig, 0, + update_ref_status = update_ref_oid(msg.buf, "HEAD", oid, orig, 0, UPDATE_REFS_MSG_ON_ERR); strbuf_release(&msg); return update_ref_status; @@ -354,18 +354,18 @@ int cmd_reset(int argc, const char **argv, const char *prefix) if (reset_type != SOFT) { struct lock_file *lock = xcalloc(1, sizeof(*lock)); - hold_locked_index(lock, 1); + hold_locked_index(lock, LOCK_DIE_ON_ERROR); if (reset_type == MIXED) { int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN; - if (read_from_tree(&pathspec, oid.hash, intent_to_add)) + if (read_from_tree(&pathspec, &oid, intent_to_add)) return 1; if (get_git_work_tree()) refresh_index(&the_index, flags, NULL, NULL, _("Unstaged changes after reset:")); } else { - int err = reset_index(oid.hash, reset_type, quiet); + int err = reset_index(&oid, reset_type, quiet); if (reset_type == KEEP && !err) - err = reset_index(oid.hash, MIXED, quiet); + err = reset_index(&oid, MIXED, quiet); if (err) die(_("Could not reset index file to revision '%s'."), rev); } @@ -377,7 +377,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) if (!pathspec.nr && !unborn) { /* Any resets without paths update HEAD to the head being * switched to, saving the previous head in ORIG_HEAD before. */ - update_ref_status = reset_refs(rev, oid.hash); + update_ref_status = reset_refs(rev, &oid); if (reset_type == HARD && !update_ref_status && !quiet) print_new_head_line(lookup_commit_reference(oid.hash)); diff --git a/builtin/rev-list.c b/builtin/rev-list.c index 0ba82b1..bcf77f0 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c @@ -122,48 +122,40 @@ static void show_commit(struct commit *commit, void *data) ctx.fmt = revs->commit_format; ctx.output_encoding = get_log_output_encoding(); pretty_print_commit(&ctx, commit, &buf); - if (revs->graph) { - if (buf.len) { - if (revs->commit_format != CMIT_FMT_ONELINE) - graph_show_oneline(revs->graph); - - graph_show_commit_msg(revs->graph, &buf); - - /* - * Add a newline after the commit message. - * - * Usually, this newline produces a blank - * padding line between entries, in which case - * we need to add graph padding on this line. - * - * However, the commit message may not end in a - * newline. In this case the newline simply - * ends the last line of the commit message, - * and we don't need any graph output. (This - * always happens with CMIT_FMT_ONELINE, and it - * happens with CMIT_FMT_USERFORMAT when the - * format doesn't explicitly end in a newline.) - */ - if (buf.len && buf.buf[buf.len - 1] == '\n') - graph_show_padding(revs->graph); - putchar('\n'); - } else { - /* - * If the message buffer is empty, just show - * the rest of the graph output for this - * commit. - */ - if (graph_show_remainder(revs->graph)) - putchar('\n'); - if (revs->commit_format == CMIT_FMT_ONELINE) - putchar('\n'); - } + if (buf.len) { + if (revs->commit_format != CMIT_FMT_ONELINE) + graph_show_oneline(revs->graph); + + graph_show_commit_msg(revs->graph, stdout, &buf); + + /* + * Add a newline after the commit message. + * + * Usually, this newline produces a blank + * padding line between entries, in which case + * we need to add graph padding on this line. + * + * However, the commit message may not end in a + * newline. In this case the newline simply + * ends the last line of the commit message, + * and we don't need any graph output. (This + * always happens with CMIT_FMT_ONELINE, and it + * happens with CMIT_FMT_USERFORMAT when the + * format doesn't explicitly end in a newline.) + */ + if (buf.len && buf.buf[buf.len - 1] == '\n') + graph_show_padding(revs->graph); + putchar(info->hdr_termination); } else { - if (revs->commit_format != CMIT_FMT_USERFORMAT || - buf.len) { - fwrite(buf.buf, 1, buf.len, stdout); - putchar(info->hdr_termination); - } + /* + * If the message buffer is empty, just show + * the rest of the graph output for this + * commit. + */ + if (graph_show_remainder(revs->graph)) + putchar('\n'); + if (revs->commit_format == CMIT_FMT_ONELINE) + putchar('\n'); } strbuf_release(&buf); } else { @@ -220,7 +212,7 @@ static void print_var_int(const char *var, int val) static int show_bisect_vars(struct rev_list_info *info, int reaches, int all) { int cnt, flags = info->flags; - char hex[GIT_SHA1_HEXSZ + 1] = ""; + char hex[GIT_MAX_HEXSZ + 1] = ""; struct commit_list *tried; struct rev_info *revs = info->revs; @@ -245,7 +237,7 @@ static int show_bisect_vars(struct rev_list_info *info, int reaches, int all) cnt = reaches; if (revs->commits) - sha1_to_hex_r(hex, revs->commits->item->object.oid.hash); + oid_to_hex_r(hex, &revs->commits->item->object.oid); if (flags & BISECT_SHOW_ALL) { traverse_commit_list(revs, show_commit, show_object, info); diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 76cf05e..0513330 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -12,6 +12,7 @@ #include "diff.h" #include "revision.h" #include "split-index.h" +#include "submodule.h" #define DO_REVS 1 #define DO_NOREV 2 @@ -204,21 +205,22 @@ static int anti_reference(const char *refname, const struct object_id *oid, int return 0; } -static int show_abbrev(const unsigned char *sha1, void *cb_data) +static int show_abbrev(const struct object_id *oid, void *cb_data) { - show_rev(NORMAL, sha1, NULL); + show_rev(NORMAL, oid->hash, NULL); return 0; } static void show_datestring(const char *flag, const char *datestr) { - static char buffer[100]; + char *buffer; /* date handling requires both flags and revs */ if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS)) return; - snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr)); + buffer = xstrfmt("%s%lu", flag, approxidate(datestr)); show(buffer); + free(buffer); } static int show_file(const char *arg, int output_prefix) @@ -227,9 +229,9 @@ static int show_file(const char *arg, int output_prefix) if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) { if (output_prefix) { const char *prefix = startup_info->prefix; - show(prefix_filename(prefix, - prefix ? strlen(prefix) : 0, - arg)); + char *fname = prefix_filename(prefix, arg); + show(fname); + free(fname); } else show(arg); return 1; @@ -298,14 +300,30 @@ static int try_parent_shorthands(const char *arg) unsigned char sha1[20]; struct commit *commit; struct commit_list *parents; - int parents_only; - - if ((dotdot = strstr(arg, "^!"))) - parents_only = 0; - else if ((dotdot = strstr(arg, "^@"))) - parents_only = 1; - - if (!dotdot || dotdot[2]) + int parent_number; + int include_rev = 0; + int include_parents = 0; + int exclude_parent = 0; + + if ((dotdot = strstr(arg, "^!"))) { + include_rev = 1; + if (dotdot[2]) + return 0; + } else if ((dotdot = strstr(arg, "^@"))) { + include_parents = 1; + if (dotdot[2]) + return 0; + } else if ((dotdot = strstr(arg, "^-"))) { + include_rev = 1; + exclude_parent = 1; + + if (dotdot[2]) { + char *end; + exclude_parent = strtoul(dotdot + 2, &end, 10); + if (*end != '\0' || !exclude_parent) + return 0; + } + } else return 0; *dotdot = 0; @@ -314,12 +332,29 @@ static int try_parent_shorthands(const char *arg) return 0; } - if (!parents_only) - show_rev(NORMAL, sha1, arg); commit = lookup_commit_reference(sha1); - for (parents = commit->parents; parents; parents = parents->next) - show_rev(parents_only ? NORMAL : REVERSED, - parents->item->object.oid.hash, arg); + if (exclude_parent && + exclude_parent > commit_list_count(commit->parents)) { + *dotdot = '^'; + return 0; + } + + if (include_rev) + show_rev(NORMAL, sha1, arg); + for (parents = commit->parents, parent_number = 1; + parents; + parents = parents->next, parent_number++) { + char *name = NULL; + + if (exclude_parent && parent_number != exclude_parent) + continue; + + if (symbolic) + name = xstrfmt("%s^%d", arg, parent_number); + show_rev(include_parents ? NORMAL : REVERSED, + parents->item->object.oid.hash, name); + free(name); + } *dotdot = '^'; return 1; @@ -502,6 +537,34 @@ N_("git rev-parse --parseopt [<options>] -- [<args>...]\n" "\n" "Run \"git rev-parse --parseopt -h\" for more information on the first usage."); +/* + * Parse "opt" or "opt=<value>", setting value respectively to either + * NULL or the string after "=". + */ +static int opt_with_value(const char *arg, const char *opt, const char **value) +{ + if (skip_prefix(arg, opt, &arg)) { + if (!*arg) { + *value = NULL; + return 1; + } + if (*arg++ == '=') { + *value = arg; + return 1; + } + } + return 0; +} + +static void handle_ref_opt(const char *pattern, const char *prefix) +{ + if (pattern) + for_each_glob_ref_in(show_reference, pattern, prefix, NULL); + else + for_each_ref_in(prefix, show_reference, NULL); + clear_ref_exclusion(&ref_excludes); +} + int cmd_rev_parse(int argc, const char **argv, const char *prefix) { int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; @@ -512,6 +575,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) unsigned int flags = 0; const char *name = NULL; struct object_context unused; + struct strbuf buf = STRBUF_INIT; if (argc > 1 && !strcmp("--parseopt", argv[1])) return cmd_parseopt(argc - 1, argv + 1, prefix); @@ -566,7 +630,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) if (!strcmp(arg, "--git-path")) { if (!argv[i + 1]) die("--git-path requires an argument"); - puts(git_path("%s", argv[i + 1])); + strbuf_reset(&buf); + puts(relative_path(git_path("%s", argv[i + 1]), + prefix, &buf)); i++; continue; } @@ -638,13 +704,13 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) flags |= GET_SHA1_QUIETLY; continue; } - if (!strcmp(arg, "--short") || - starts_with(arg, "--short=")) { + if (opt_with_value(arg, "--short", &arg)) { filter &= ~(DO_FLAGS|DO_NOREV); verify = 1; abbrev = DEFAULT_ABBREV; - if (arg[7] == '=') - abbrev = strtoul(arg + 8, NULL, 10); + if (!arg) + continue; + abbrev = strtoul(arg, NULL, 10); if (abbrev < MINIMUM_ABBREV) abbrev = MINIMUM_ABBREV; else if (40 <= abbrev) @@ -667,17 +733,17 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) symbolic = SHOW_SYMBOLIC_FULL; continue; } - if (starts_with(arg, "--abbrev-ref") && - (!arg[12] || arg[12] == '=')) { + if (opt_with_value(arg, "--abbrev-ref", &arg)) { abbrev_ref = 1; abbrev_ref_strict = warn_ambiguous_refs; - if (arg[12] == '=') { - if (!strcmp(arg + 13, "strict")) + if (arg) { + if (!strcmp(arg, "strict")) abbrev_ref_strict = 1; - else if (!strcmp(arg + 13, "loose")) + else if (!strcmp(arg, "loose")) abbrev_ref_strict = 0; else - die("unknown mode for %s", arg); + die("unknown mode for --abbrev-ref: %s", + arg); } continue; } @@ -685,8 +751,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) for_each_ref(show_reference, NULL); continue; } - if (starts_with(arg, "--disambiguate=")) { - for_each_abbrev(arg + 15, show_abbrev, NULL); + if (skip_prefix(arg, "--disambiguate=", &arg)) { + for_each_abbrev(arg, show_abbrev, NULL); continue; } if (!strcmp(arg, "--bisect")) { @@ -694,46 +760,24 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) for_each_ref_in("refs/bisect/good", anti_reference, NULL); continue; } - if (starts_with(arg, "--branches=")) { - for_each_glob_ref_in(show_reference, arg + 11, - "refs/heads/", NULL); - clear_ref_exclusion(&ref_excludes); - continue; - } - if (!strcmp(arg, "--branches")) { - for_each_branch_ref(show_reference, NULL); - clear_ref_exclusion(&ref_excludes); - continue; - } - if (starts_with(arg, "--tags=")) { - for_each_glob_ref_in(show_reference, arg + 7, - "refs/tags/", NULL); - clear_ref_exclusion(&ref_excludes); - continue; - } - if (!strcmp(arg, "--tags")) { - for_each_tag_ref(show_reference, NULL); - clear_ref_exclusion(&ref_excludes); + if (opt_with_value(arg, "--branches", &arg)) { + handle_ref_opt(arg, "refs/heads/"); continue; } - if (starts_with(arg, "--glob=")) { - for_each_glob_ref(show_reference, arg + 7, NULL); - clear_ref_exclusion(&ref_excludes); + if (opt_with_value(arg, "--tags", &arg)) { + handle_ref_opt(arg, "refs/tags/"); continue; } - if (starts_with(arg, "--remotes=")) { - for_each_glob_ref_in(show_reference, arg + 10, - "refs/remotes/", NULL); - clear_ref_exclusion(&ref_excludes); + if (skip_prefix(arg, "--glob=", &arg)) { + handle_ref_opt(arg, NULL); continue; } - if (!strcmp(arg, "--remotes")) { - for_each_remote_ref(show_reference, NULL); - clear_ref_exclusion(&ref_excludes); + if (opt_with_value(arg, "--remotes", &arg)) { + handle_ref_opt(arg, "refs/remotes/"); continue; } - if (starts_with(arg, "--exclude=")) { - add_ref_exclusion(&ref_excludes, arg + 10); + if (skip_prefix(arg, "--exclude=", &arg)) { + add_ref_exclusion(&ref_excludes, arg); continue; } if (!strcmp(arg, "--show-toplevel")) { @@ -742,6 +786,12 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) puts(work_tree); continue; } + if (!strcmp(arg, "--show-superproject-working-tree")) { + const char *superproject = get_superproject_working_tree(); + if (superproject) + puts(superproject); + continue; + } if (!strcmp(arg, "--show-prefix")) { if (prefix) puts(prefix); @@ -768,17 +818,27 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) putchar('\n'); continue; } - if (!strcmp(arg, "--git-dir")) { + if (!strcmp(arg, "--git-dir") || + !strcmp(arg, "--absolute-git-dir")) { const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); char *cwd; int len; - if (gitdir) { - puts(gitdir); - continue; - } - if (!prefix) { - puts(".git"); - continue; + if (arg[2] == 'g') { /* --git-dir */ + if (gitdir) { + puts(gitdir); + continue; + } + if (!prefix) { + puts(".git"); + continue; + } + } else { /* --absolute-git-dir */ + if (!gitdir && !prefix) + gitdir = ".git"; + if (gitdir) { + puts(real_path(gitdir)); + continue; + } } cwd = xgetcwd(); len = strlen(cwd); @@ -787,8 +847,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) continue; } if (!strcmp(arg, "--git-common-dir")) { - const char *pfx = prefix ? prefix : ""; - puts(prefix_filename(pfx, strlen(pfx), get_git_common_dir())); + strbuf_reset(&buf); + puts(relative_path(get_git_common_dir(), + prefix, &buf)); continue; } if (!strcmp(arg, "--is-inside-git-dir")) { @@ -811,24 +872,26 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) die(_("Could not read the index")); if (the_index.split_index) { const unsigned char *sha1 = the_index.split_index->base_sha1; - puts(git_path("sharedindex.%s", sha1_to_hex(sha1))); + const char *path = git_path("sharedindex.%s", sha1_to_hex(sha1)); + strbuf_reset(&buf); + puts(relative_path(path, prefix, &buf)); } continue; } - if (starts_with(arg, "--since=")) { - show_datestring("--max-age=", arg+8); + if (skip_prefix(arg, "--since=", &arg)) { + show_datestring("--max-age=", arg); continue; } - if (starts_with(arg, "--after=")) { - show_datestring("--max-age=", arg+8); + if (skip_prefix(arg, "--after=", &arg)) { + show_datestring("--max-age=", arg); continue; } - if (starts_with(arg, "--before=")) { - show_datestring("--min-age=", arg+9); + if (skip_prefix(arg, "--before=", &arg)) { + show_datestring("--min-age=", arg); continue; } - if (starts_with(arg, "--until=")) { - show_datestring("--min-age=", arg+8); + if (skip_prefix(arg, "--until=", &arg)) { + show_datestring("--min-age=", arg); continue; } if (show_flag(arg) && verify) @@ -863,6 +926,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) continue; verify_filename(prefix, arg, 1); } + strbuf_release(&buf); if (verify) { if (revs_count == 1) { show_rev(type, sha1, name); diff --git a/builtin/revert.c b/builtin/revert.c index 4e69380..345d958 100644 --- a/builtin/revert.c +++ b/builtin/revert.c @@ -54,6 +54,24 @@ static int option_parse_x(const struct option *opt, return 0; } +static int option_parse_m(const struct option *opt, + const char *arg, int unset) +{ + struct replay_opts *replay = opt->value; + char *end; + + if (unset) { + replay->mainline = 0; + return 0; + } + + replay->mainline = strtol(arg, &end, 10); + if (*end || replay->mainline <= 0) + return opterror(opt, "expects a number greater than zero", 0); + + return 0; +} + LAST_ARG_MUST_BE_NULL static void verify_opt_compatible(const char *me, const char *base_opt, ...) { @@ -71,7 +89,7 @@ static void verify_opt_compatible(const char *me, const char *base_opt, ...) die(_("%s: %s cannot be used with %s"), me, this_opt, base_opt); } -static void parse_args(int argc, const char **argv, struct replay_opts *opts) +static int run_sequencer(int argc, const char **argv, struct replay_opts *opts) { const char * const * usage_str = revert_or_cherry_pick_usage(opts); const char *me = action_name(opts); @@ -84,7 +102,8 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts) OPT_BOOL('e', "edit", &opts->edit, N_("edit the commit message")), OPT_NOOP_NOARG('r', NULL), OPT_BOOL('s', "signoff", &opts->signoff, N_("add Signed-off-by:")), - OPT_INTEGER('m', "mainline", &opts->mainline, N_("parent number")), + OPT_CALLBACK('m', "mainline", opts, N_("parent-number"), + N_("select mainline parent"), option_parse_m), OPT_RERERE_AUTOUPDATE(&opts->allow_rerere_auto), OPT_STRING(0, "strategy", &opts->strategy, N_("strategy"), N_("merge strategy")), OPT_CALLBACK('X', "strategy-option", &opts, N_("option"), @@ -115,25 +134,15 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts) if (opts->keep_redundant_commits) opts->allow_empty = 1; - /* Set the subcommand */ - if (cmd == 'q') - opts->subcommand = REPLAY_REMOVE_STATE; - else if (cmd == 'c') - opts->subcommand = REPLAY_CONTINUE; - else if (cmd == 'a') - opts->subcommand = REPLAY_ROLLBACK; - else - opts->subcommand = REPLAY_NONE; - /* Check for incompatible command line arguments */ - if (opts->subcommand != REPLAY_NONE) { + if (cmd) { char *this_operation; - if (opts->subcommand == REPLAY_REMOVE_STATE) + if (cmd == 'q') this_operation = "--quit"; - else if (opts->subcommand == REPLAY_CONTINUE) + else if (cmd == 'c') this_operation = "--continue"; else { - assert(opts->subcommand == REPLAY_ROLLBACK); + assert(cmd == 'a'); this_operation = "--abort"; } @@ -156,7 +165,7 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts) "--edit", opts->edit, NULL); - if (opts->subcommand != REPLAY_NONE) { + if (cmd) { opts->revs = NULL; } else { struct setup_revision_opt s_r_opt; @@ -174,20 +183,30 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts) if (argc > 1) usage_with_options(usage_str, options); + + /* These option values will be free()d */ + opts->gpg_sign = xstrdup_or_null(opts->gpg_sign); + opts->strategy = xstrdup_or_null(opts->strategy); + + if (cmd == 'q') + return sequencer_remove_state(opts); + if (cmd == 'c') + return sequencer_continue(opts); + if (cmd == 'a') + return sequencer_rollback(opts); + return sequencer_pick_revisions(opts); } int cmd_revert(int argc, const char **argv, const char *prefix) { - struct replay_opts opts; + struct replay_opts opts = REPLAY_OPTS_INIT; int res; - memset(&opts, 0, sizeof(opts)); if (isatty(0)) opts.edit = 1; opts.action = REPLAY_REVERT; git_config(git_default_config, NULL); - parse_args(argc, argv, &opts); - res = sequencer_pick_revisions(&opts); + res = run_sequencer(argc, argv, &opts); if (res < 0) die(_("revert failed")); return res; @@ -195,14 +214,12 @@ int cmd_revert(int argc, const char **argv, const char *prefix) int cmd_cherry_pick(int argc, const char **argv, const char *prefix) { - struct replay_opts opts; + struct replay_opts opts = REPLAY_OPTS_INIT; int res; - memset(&opts, 0, sizeof(opts)); opts.action = REPLAY_PICK; git_config(git_default_config, NULL); - parse_args(argc, argv, &opts); - res = sequencer_pick_revisions(&opts); + res = run_sequencer(argc, argv, &opts); if (res < 0) die(_("cherry-pick failed")); return res; diff --git a/builtin/rm.c b/builtin/rm.c index b2fee3e..fb79dca 100644 --- a/builtin/rm.c +++ b/builtin/rm.c @@ -59,27 +59,9 @@ static void print_error_files(struct string_list *files_list, } } -static void error_removing_concrete_submodules(struct string_list *files, int *errs) -{ - print_error_files(files, - Q_("the following submodule (or one of its nested " - "submodules)\n" - "uses a .git directory:", - "the following submodules (or one of their nested " - "submodules)\n" - "use a .git directory:", files->nr), - _("\n(use 'rm -rf' if you really want to remove " - "it including all of its history)"), - errs); - string_list_clear(files, 0); -} - -static int check_submodules_use_gitfiles(void) +static void submodules_absorb_gitdir_if_needed(const char *prefix) { int i; - int errs = 0; - struct string_list files = STRING_LIST_INIT_NODUP; - for (i = 0; i < list.nr; i++) { const char *name = list.entry[i].name; int pos; @@ -99,15 +81,12 @@ static int check_submodules_use_gitfiles(void) continue; if (!submodule_uses_gitfile(name)) - string_list_append(&files, name); + absorb_git_dir_into_superproject(prefix, name, + ABSORB_GITDIR_RECURSE_SUBMODULES); } - - error_removing_concrete_submodules(&files, &errs); - - return errs; } -static int check_local_mod(unsigned char *head, int index_only) +static int check_local_mod(struct object_id *head, int index_only) { /* * Items in list are already sorted in the cache order, @@ -120,16 +99,15 @@ static int check_local_mod(unsigned char *head, int index_only) int errs = 0; struct string_list files_staged = STRING_LIST_INIT_NODUP; struct string_list files_cached = STRING_LIST_INIT_NODUP; - struct string_list files_submodule = STRING_LIST_INIT_NODUP; struct string_list files_local = STRING_LIST_INIT_NODUP; - no_head = is_null_sha1(head); + no_head = is_null_oid(head); for (i = 0; i < list.nr; i++) { struct stat st; int pos; const struct cache_entry *ce; const char *name = list.entry[i].name; - unsigned char sha1[20]; + struct object_id oid; unsigned mode; int local_changes = 0; int staged_changes = 0; @@ -187,7 +165,9 @@ static int check_local_mod(unsigned char *head, int index_only) */ if (ce_match_stat(ce, &st, 0) || (S_ISGITLINK(ce->ce_mode) && - !ok_to_remove_submodule(ce->name))) + bad_to_remove_submodule(ce->name, + SUBMODULE_REMOVAL_DIE_ON_ERROR | + SUBMODULE_REMOVAL_IGNORE_IGNORED_UNTRACKED))) local_changes = 1; /* @@ -197,9 +177,9 @@ static int check_local_mod(unsigned char *head, int index_only) * way as changed from the HEAD. */ if (no_head - || get_tree_entry(head, name, sha1, &mode) + || get_tree_entry(head->hash, name, oid.hash, &mode) || ce->ce_mode != create_ce_mode(mode) - || hashcmp(ce->sha1, sha1)) + || oidcmp(&ce->oid, &oid)) staged_changes = 1; /* @@ -217,13 +197,8 @@ static int check_local_mod(unsigned char *head, int index_only) else if (!index_only) { if (staged_changes) string_list_append(&files_cached, name); - if (local_changes) { - if (S_ISGITLINK(ce->ce_mode) && - !submodule_uses_gitfile(name)) - string_list_append(&files_submodule, name); - else - string_list_append(&files_local, name); - } + if (local_changes) + string_list_append(&files_local, name); } } print_error_files(&files_staged, @@ -245,8 +220,6 @@ static int check_local_mod(unsigned char *head, int index_only) &errs); string_list_clear(&files_cached, 0); - error_removing_concrete_submodules(&files_submodule, &errs); - print_error_files(&files_local, Q_("the following file has local modifications:", "the following files have local modifications:", @@ -292,7 +265,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix) if (!index_only) setup_work_tree(); - hold_locked_index(&lock_file, 1); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); if (read_cache() < 0) die(_("index file corrupt")); @@ -340,6 +313,9 @@ int cmd_rm(int argc, const char **argv, const char *prefix) exit(0); } + if (!index_only) + submodules_absorb_gitdir_if_needed(prefix); + /* * If not forced, the file, the index and the HEAD (if exists) * must match; but the file can already been removed, since @@ -351,13 +327,10 @@ int cmd_rm(int argc, const char **argv, const char *prefix) * report no changes unless forced. */ if (!force) { - unsigned char sha1[20]; - if (get_sha1("HEAD", sha1)) - hashclr(sha1); - if (check_local_mod(sha1, index_only)) - exit(1); - } else if (!index_only) { - if (check_submodules_use_gitfiles()) + struct object_id oid; + if (get_oid("HEAD", &oid)) + oidclr(&oid); + if (check_local_mod(&oid, index_only)) exit(1); } @@ -391,28 +364,15 @@ int cmd_rm(int argc, const char **argv, const char *prefix) for (i = 0; i < list.nr; i++) { const char *path = list.entry[i].name; if (list.entry[i].is_submodule) { - if (is_empty_dir(path)) { - if (!rmdir(path)) { - removed = 1; - if (!remove_path_from_gitmodules(path)) - gitmodules_modified = 1; - continue; - } - } else { - strbuf_reset(&buf); - strbuf_addstr(&buf, path); - if (!remove_dir_recursively(&buf, 0)) { - removed = 1; - if (!remove_path_from_gitmodules(path)) - gitmodules_modified = 1; - strbuf_release(&buf); - continue; - } else if (!file_exists(path)) - /* Submodule was removed by user */ - if (!remove_path_from_gitmodules(path)) - gitmodules_modified = 1; - /* Fallthrough and let remove_path() fail. */ - } + strbuf_reset(&buf); + strbuf_addstr(&buf, path); + if (remove_dir_recursively(&buf, 0)) + die(_("could not remove '%s'"), path); + + removed = 1; + if (!remove_path_from_gitmodules(path)) + gitmodules_modified = 1; + continue; } if (!remove_path(path)) { removed = 1; diff --git a/builtin/send-pack.c b/builtin/send-pack.c index 1ff5a67..b8e2e74 100644 --- a/builtin/send-pack.c +++ b/builtin/send-pack.c @@ -131,8 +131,8 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) const char *dest = NULL; int fd[2]; struct child_process *conn; - struct sha1_array extra_have = SHA1_ARRAY_INIT; - struct sha1_array shallow = SHA1_ARRAY_INIT; + struct oid_array extra_have = OID_ARRAY_INIT; + struct oid_array shallow = OID_ARRAY_INIT; struct ref *remote_refs, *local_refs; int ret; int helper_status = 0; @@ -144,6 +144,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) unsigned force_update = 0; unsigned quiet = 0; int push_cert = 0; + struct string_list push_options = STRING_LIST_INIT_NODUP; unsigned use_thin_pack = 0; unsigned atomic = 0; unsigned stateless_rpc = 0; @@ -165,6 +166,9 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) { OPTION_CALLBACK, 0, "signed", &push_cert, "yes|no|if-asked", N_("GPG sign the push"), PARSE_OPT_OPTARG, option_parse_push_signed }, + OPT_STRING_LIST(0, "push-option", &push_options, + N_("server-specific"), + N_("option to transmit")), OPT_BOOL(0, "progress", &progress, N_("force progress reporting")), OPT_BOOL(0, "thin", &use_thin_pack, N_("use thin pack")), OPT_BOOL(0, "atomic", &atomic, N_("request atomic transaction on remote side")), @@ -199,6 +203,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) args.use_thin_pack = use_thin_pack; args.atomic = atomic; args.stateless_rpc = stateless_rpc; + args.push_options = push_options.nr ? &push_options : NULL; if (from_stdin) { struct argv_array all_refspecs = ARGV_ARRAY_INIT; diff --git a/builtin/shortlog.c b/builtin/shortlog.c index 25fa8a6..7cff183 100644 --- a/builtin/shortlog.c +++ b/builtin/shortlog.c @@ -117,11 +117,15 @@ static void read_from_stdin(struct shortlog *log) { struct strbuf author = STRBUF_INIT; struct strbuf oneline = STRBUF_INIT; + static const char *author_match[2] = { "Author: ", "author " }; + static const char *committer_match[2] = { "Commit: ", "committer " }; + const char **match; + match = log->committer ? committer_match : author_match; while (strbuf_getline_lf(&author, stdin) != EOF) { const char *v; - if (!skip_prefix(author.buf, "Author: ", &v) && - !skip_prefix(author.buf, "author ", &v)) + if (!skip_prefix(author.buf, match[0], &v) && + !skip_prefix(author.buf, match[1], &v)) continue; while (strbuf_getline_lf(&oneline, stdin) != EOF && oneline.len) @@ -140,15 +144,17 @@ void shortlog_add_commit(struct shortlog *log, struct commit *commit) struct strbuf author = STRBUF_INIT; struct strbuf oneline = STRBUF_INIT; struct pretty_print_context ctx = {0}; + const char *fmt; ctx.fmt = CMIT_FMT_USERFORMAT; ctx.abbrev = log->abbrev; - ctx.subject = ""; - ctx.after_subject = ""; + ctx.print_email_subject = 1; ctx.date_mode.type = DATE_NORMAL; ctx.output_encoding = get_log_output_encoding(); - format_commit_message(commit, "%an <%ae>", &author, &ctx); + fmt = log->committer ? "%cn <%ce>" : "%an <%ae>"; + + format_commit_message(commit, fmt, &author, &ctx); if (!log->summary) { if (log->user_format) pretty_print_commit(&ctx, commit, &oneline); @@ -238,6 +244,8 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix) int nongit = !startup_info->have_repository; const struct option options[] = { + OPT_BOOL('c', "committer", &log.committer, + N_("Group by committer rather than author")), OPT_BOOL('n', "numbered", &log.sort_by_number, N_("sort output according to the number of commits per author")), OPT_BOOL('s', "summary", &log.summary, @@ -308,7 +316,7 @@ void shortlog_output(struct shortlog *log) struct strbuf sb = STRBUF_INIT; if (log->sort_by_number) - qsort(log->list.items, log->list.nr, sizeof(struct string_list_item), + QSORT(log->list.items, log->list.nr, log->summary ? compare_by_counter : compare_by_list); for (i = 0; i < log->list.nr; i++) { const struct string_list_item *item = &log->list.items[i]; diff --git a/builtin/show-branch.c b/builtin/show-branch.c index 2566935..1975659 100644 --- a/builtin/show-branch.c +++ b/builtin/show-branch.c @@ -275,8 +275,7 @@ static void show_one_commit(struct commit *commit, int no_name) pp_commit_easy(CMIT_FMT_ONELINE, commit, &pretty); pretty_str = pretty.buf; } - if (starts_with(pretty_str, "[PATCH] ")) - pretty_str += 8; + skip_prefix(pretty_str, "[PATCH] ", &pretty_str); if (!no_name) { if (name && name->head_name) { @@ -353,8 +352,7 @@ static int compare_ref_name(const void *a_, const void *b_) static void sort_ref_range(int bottom, int top) { - qsort(ref_name + bottom, top - bottom, sizeof(ref_name[0]), - compare_ref_name); + QSORT(ref_name + bottom, top - bottom, compare_ref_name); } static int append_ref(const char *refname, const struct object_id *oid, @@ -373,8 +371,9 @@ static int append_ref(const char *refname, const struct object_id *oid, return 0; } if (MAX_REVS <= ref_name_cnt) { - warning("ignoring %s; cannot handle more than %d refs", - refname, MAX_REVS); + warning(Q_("ignoring %s; cannot handle more than %d ref", + "ignoring %s; cannot handle more than %d refs", + MAX_REVS), refname, MAX_REVS); return 0; } ref_name[ref_name_cnt++] = xstrdup(refname); @@ -470,18 +469,14 @@ static void snarf_refs(int head, int remotes) } } -static int rev_is_head(char *head, int headlen, char *name, +static int rev_is_head(const char *head, const char *name, unsigned char *head_sha1, unsigned char *sha1) { - if ((!head[0]) || - (head_sha1 && sha1 && hashcmp(head_sha1, sha1))) + if (!head || (head_sha1 && sha1 && hashcmp(head_sha1, sha1))) return 0; - if (starts_with(head, "refs/heads/")) - head += 11; - if (starts_with(name, "refs/heads/")) - name += 11; - else if (starts_with(name, "heads/")) - name += 6; + skip_prefix(head, "refs/heads/", &head); + if (!skip_prefix(name, "refs/heads/", &name)) + skip_prefix(name, "heads/", &name); return !strcmp(head, name); } @@ -538,9 +533,8 @@ static void append_one_rev(const char *av) for_each_ref(append_matching_ref, NULL); if (saved_matches == ref_name_cnt && ref_name_cnt < MAX_REVS) - error("no matching refs with %s", av); - if (saved_matches + 1 < ref_name_cnt) - sort_ref_range(saved_matches, ref_name_cnt); + error(_("no matching refs with %s"), av); + sort_ref_range(saved_matches, ref_name_cnt); return; } die("bad sha1 reference %s", av); @@ -621,9 +615,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) int all_heads = 0, all_remotes = 0; int all_mask, all_revs; enum rev_sort_order sort_order = REV_SORT_IN_GRAPH_ORDER; - char head[128]; - const char *head_p; - int head_len; + char *head; struct object_id head_oid; int merge_base = 0; int independent = 0; @@ -701,8 +693,8 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) * * Also --all and --remotes do not make sense either. */ - die("--reflog is incompatible with --all, --remotes, " - "--independent or --merge-base"); + die(_("--reflog is incompatible with --all, --remotes, " + "--independent or --merge-base")); } /* If nothing is specified, show all branches by default */ @@ -725,16 +717,17 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) av = fake_av; ac = 1; if (!*av) - die("no branches given, and HEAD is not valid"); + die(_("no branches given, and HEAD is not valid")); } if (ac != 1) - die("--reflog option needs one branch name"); + die(_("--reflog option needs one branch name")); if (MAX_REVS < reflog) - die("Only %d entries can be shown at one time.", - MAX_REVS); + die(Q_("only %d entry can be shown at one time.", + "only %d entries can be shown at one time.", + MAX_REVS), MAX_REVS); if (!dwim_ref(*av, strlen(*av), oid.hash, &ref)) - die("No such ref %s", *av); + die(_("no such ref %s"), *av); /* Has the base been specified? */ if (reflog_base) { @@ -787,32 +780,24 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) snarf_refs(all_heads, all_remotes); } - head_p = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, - head_oid.hash, NULL); - if (head_p) { - head_len = strlen(head_p); - memcpy(head, head_p, head_len + 1); - } - else { - head_len = 0; - head[0] = 0; - } + head = resolve_refdup("HEAD", RESOLVE_REF_READING, + head_oid.hash, NULL); - if (with_current_branch && head_p) { + if (with_current_branch && head) { int has_head = 0; for (i = 0; !has_head && i < ref_name_cnt; i++) { /* We are only interested in adding the branch * HEAD points at. */ if (rev_is_head(head, - head_len, ref_name[i], head_oid.hash, NULL)) has_head++; } if (!has_head) { - int offset = starts_with(head, "refs/heads/") ? 11 : 0; - append_one_rev(head + offset); + const char *name = head; + skip_prefix(name, "refs/heads/", &name); + append_one_rev(name); } } @@ -826,12 +811,14 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) unsigned int flag = 1u << (num_rev + REV_SHIFT); if (MAX_REVS <= num_rev) - die("cannot handle more than %d revs.", MAX_REVS); + die(Q_("cannot handle more than %d rev.", + "cannot handle more than %d revs.", + MAX_REVS), MAX_REVS); if (get_sha1(ref_name[num_rev], revkey.hash)) - die("'%s' is not a valid ref.", ref_name[num_rev]); + die(_("'%s' is not a valid ref."), ref_name[num_rev]); commit = lookup_commit_reference(revkey.hash); if (!commit) - die("cannot find commit %s (%s)", + die(_("cannot find commit %s (%s)"), ref_name[num_rev], oid_to_hex(&revkey)); parse_commit(commit); mark_seen(commit, &seen); @@ -864,7 +851,6 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) for (i = 0; i < num_rev; i++) { int j; int is_head = rev_is_head(head, - head_len, ref_name[i], head_oid.hash, rev[i]->object.oid.hash); diff --git a/builtin/show-ref.c b/builtin/show-ref.c index 6d4e669..013d241 100644 --- a/builtin/show-ref.c +++ b/builtin/show-ref.c @@ -19,19 +19,34 @@ static const char *exclude_existing_arg; static void show_one(const char *refname, const struct object_id *oid) { - const char *hex = find_unique_abbrev(oid->hash, abbrev); + const char *hex; + struct object_id peeled; + + if (!has_sha1_file(oid->hash)) + die("git show-ref: bad ref %s (%s)", refname, + oid_to_hex(oid)); + + if (quiet) + return; + + hex = find_unique_abbrev(oid->hash, abbrev); if (hash_only) printf("%s\n", hex); else printf("%s %s\n", hex, refname); + + if (!deref_tags) + return; + + if (!peel_ref(refname, peeled.hash)) { + hex = find_unique_abbrev(peeled.hash, abbrev); + printf("%s %s^{}\n", hex, refname); + } } static int show_ref(const char *refname, const struct object_id *oid, int flag, void *cbdata) { - const char *hex; - struct object_id peeled; - if (show_head && !strcmp(refname, "HEAD")) goto match; @@ -54,9 +69,6 @@ static int show_ref(const char *refname, const struct object_id *oid, continue; if (len == reflen) goto match; - /* "--verify" requires an exact match */ - if (verify) - continue; if (refname[reflen - len - 1] == '/') goto match; } @@ -66,26 +78,8 @@ static int show_ref(const char *refname, const struct object_id *oid, match: found_match++; - /* This changes the semantics slightly that even under quiet we - * detect and return error if the repository is corrupt and - * ref points at a nonexistent object. - */ - if (!has_sha1_file(oid->hash)) - die("git show-ref: bad ref %s (%s)", refname, - oid_to_hex(oid)); - - if (quiet) - return 0; - show_one(refname, oid); - if (!deref_tags) - return 0; - - if (!peel_ref(refname, peeled.hash)) { - hex = find_unique_abbrev(peeled.hash, abbrev); - printf("%s %s^{}\n", hex, refname); - } return 0; } @@ -202,10 +196,9 @@ int cmd_show_ref(int argc, const char **argv, const char *prefix) while (*pattern) { struct object_id oid; - if (starts_with(*pattern, "refs/") && + if ((starts_with(*pattern, "refs/") || !strcmp(*pattern, "HEAD")) && !read_ref(*pattern, oid.hash)) { - if (!quiet) - show_one(*pattern, &oid); + show_one(*pattern, &oid); } else if (!quiet) die("'%s' - not a valid ref", *pattern); diff --git a/builtin/stripspace.c b/builtin/stripspace.c index 15e716e..1e62a00 100644 --- a/builtin/stripspace.c +++ b/builtin/stripspace.c @@ -44,8 +44,10 @@ int cmd_stripspace(int argc, const char **argv, const char *prefix) if (argc) usage_with_options(stripspace_usage, options); - if (mode == STRIP_COMMENTS || mode == COMMENT_LINES) + if (mode == STRIP_COMMENTS || mode == COMMENT_LINES) { + setup_git_directory_gently(NULL); git_config(git_default_config, NULL); + } if (strbuf_read(&buf, 0, 1024) < 0) die_errno("could not read the input"); diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index dbe5699..36e4231 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -95,6 +95,8 @@ static int chop_last_dir(char **remoteurl, int is_relative) * NEEDSWORK: This works incorrectly on the domain and protocol part. * remote_url url outcome expectation * http://a.com/b ../c http://a.com/c as is + * http://a.com/b/ ../c http://a.com/c same as previous line, but + * ignore trailing slash in url * http://a.com/b ../../c http://c error out * http://a.com/b ../../../c http:/c error out * http://a.com/b ../../../../c http:c error out @@ -113,8 +115,8 @@ static char *relative_url(const char *remote_url, struct strbuf sb = STRBUF_INIT; size_t len = strlen(remoteurl); - if (is_dir_sep(remoteurl[len])) - remoteurl[len] = '\0'; + if (is_dir_sep(remoteurl[len-1])) + remoteurl[len-1] = '\0'; if (!url_is_local_not_ssh(remoteurl) || is_absolute_path(remoteurl)) is_relative = 0; @@ -147,6 +149,8 @@ static char *relative_url(const char *remote_url, } strbuf_reset(&sb); strbuf_addf(&sb, "%s%s%s", remoteurl, colonsep ? ":" : "/", url); + if (ends_with(url, "/")) + strbuf_setlen(&sb, sb.len - 1); free(remoteurl); if (starts_with_dot_slash(sb.buf)) @@ -266,6 +270,29 @@ static int module_list_compute(int argc, const char **argv, return result; } +static void module_list_active(struct module_list *list) +{ + int i; + struct module_list active_modules = MODULE_LIST_INIT; + + gitmodules_config(); + + for (i = 0; i < list->nr; i++) { + const struct cache_entry *ce = list->entries[i]; + + if (!is_submodule_initialized(ce->name)) + continue; + + ALLOC_GROW(active_modules.entries, + active_modules.nr + 1, + active_modules.alloc); + active_modules.entries[active_modules.nr++] = ce; + } + + free(list->entries); + *list = active_modules; +} + static int module_list(int argc, const char **argv, const char *prefix) { int i; @@ -296,7 +323,8 @@ static int module_list(int argc, const char **argv, const char *prefix) if (ce_stage(ce)) printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1)); else - printf("%06o %s %d\t", ce->ce_mode, sha1_to_hex(ce->sha1), ce_stage(ce)); + printf("%06o %s %d\t", ce->ce_mode, + oid_to_hex(&ce->oid), ce_stage(ce)); utf8_fprintf(stdout, "%s\n", ce->name); } @@ -312,8 +340,12 @@ static void init_submodule(const char *path, const char *prefix, int quiet) /* Only loads from .gitmodules, no overlay with .git/config */ gitmodules_config(); - if (prefix) { - strbuf_addf(&sb, "%s%s", prefix, path); + if (prefix && get_super_prefix()) + die("BUG: cannot have prefix and superprefix"); + else if (prefix) + displaypath = xstrdup(relative_path(path, prefix, &sb)); + else if (get_super_prefix()) { + strbuf_addf(&sb, "%s%s", get_super_prefix(), path); displaypath = strbuf_detach(&sb, NULL); } else displaypath = xstrdup(path); @@ -325,6 +357,18 @@ static void init_submodule(const char *path, const char *prefix, int quiet) displaypath); /* + * NEEDSWORK: In a multi-working-tree world, this needs to be + * set in the per-worktree config. + * + * Set active flag for the submodule being initialized + */ + if (!is_submodule_initialized(path)) { + strbuf_reset(&sb); + strbuf_addf(&sb, "submodule.%s.active", sub->name); + git_config_set_gently(sb.buf, "true"); + } + + /* * Copy url setting when it is not set yet. * To look up the url in .git/config, we must not fall back to * .gitmodules, so look it up directly. @@ -347,12 +391,10 @@ static void init_submodule(const char *path, const char *prefix, int quiet) strbuf_addf(&remotesb, "remote.%s.url", remote); free(remote); - if (git_config_get_string(remotesb.buf, &remoteurl)) - /* - * The repository is its own - * authoritative upstream - */ + if (git_config_get_string(remotesb.buf, &remoteurl)) { + warning(_("could not lookup configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf); remoteurl = xgetcwd(); + } relurl = relative_url(remoteurl, url, NULL); strbuf_release(&remotesb); free(remoteurl); @@ -398,9 +440,6 @@ static int module_init(int argc, const char **argv, const char *prefix) int i; struct option module_init_options[] = { - OPT_STRING(0, "prefix", &prefix, - N_("path"), - N_("alternative anchor for relative paths")), OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")), OPT_END() }; @@ -416,6 +455,13 @@ static int module_init(int argc, const char **argv, const char *prefix) if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0) return 1; + /* + * If there are no path args and submodule.active is set then, + * by default, only initialize 'active' modules. + */ + if (!argc && git_config_get_value_multi("submodule.active")) + module_list_active(&list); + for (i = 0; i < list.nr; i++) init_submodule(list.entries[i]->name, prefix, quiet); @@ -442,7 +488,8 @@ static int module_name(int argc, const char **argv, const char *prefix) } static int clone_submodule(const char *path, const char *gitdir, const char *url, - const char *depth, const char *reference, int quiet) + const char *depth, struct string_list *reference, + int quiet, int progress) { struct child_process cp = CHILD_PROCESS_INIT; @@ -450,10 +497,16 @@ static int clone_submodule(const char *path, const char *gitdir, const char *url argv_array_push(&cp.args, "--no-checkout"); if (quiet) argv_array_push(&cp.args, "--quiet"); + if (progress) + argv_array_push(&cp.args, "--progress"); if (depth && *depth) argv_array_pushl(&cp.args, "--depth", depth, NULL); - if (reference && *reference) - argv_array_pushl(&cp.args, "--reference", reference, NULL); + if (reference->nr) { + struct string_list_item *item; + for_each_string_list_item(item, reference) + argv_array_pushl(&cp.args, "--reference", + item->string, NULL); + } if (gitdir && *gitdir) argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL); @@ -467,15 +520,109 @@ static int clone_submodule(const char *path, const char *gitdir, const char *url return run_command(&cp); } +struct submodule_alternate_setup { + const char *submodule_name; + enum SUBMODULE_ALTERNATE_ERROR_MODE { + SUBMODULE_ALTERNATE_ERROR_DIE, + SUBMODULE_ALTERNATE_ERROR_INFO, + SUBMODULE_ALTERNATE_ERROR_IGNORE + } error_mode; + struct string_list *reference; +}; +#define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \ + SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL } + +static int add_possible_reference_from_superproject( + struct alternate_object_database *alt, void *sas_cb) +{ + struct submodule_alternate_setup *sas = sas_cb; + + /* + * If the alternate object store is another repository, try the + * standard layout with .git/(modules/<name>)+/objects + */ + if (ends_with(alt->path, "/objects")) { + char *sm_alternate; + struct strbuf sb = STRBUF_INIT; + struct strbuf err = STRBUF_INIT; + strbuf_add(&sb, alt->path, strlen(alt->path) - strlen("objects")); + + /* + * We need to end the new path with '/' to mark it as a dir, + * otherwise a submodule name containing '/' will be broken + * as the last part of a missing submodule reference would + * be taken as a file name. + */ + strbuf_addf(&sb, "modules/%s/", sas->submodule_name); + + sm_alternate = compute_alternate_path(sb.buf, &err); + if (sm_alternate) { + string_list_append(sas->reference, xstrdup(sb.buf)); + free(sm_alternate); + } else { + switch (sas->error_mode) { + case SUBMODULE_ALTERNATE_ERROR_DIE: + die(_("submodule '%s' cannot add alternate: %s"), + sas->submodule_name, err.buf); + case SUBMODULE_ALTERNATE_ERROR_INFO: + fprintf(stderr, _("submodule '%s' cannot add alternate: %s"), + sas->submodule_name, err.buf); + case SUBMODULE_ALTERNATE_ERROR_IGNORE: + ; /* nothing */ + } + } + strbuf_release(&sb); + } + + return 0; +} + +static void prepare_possible_alternates(const char *sm_name, + struct string_list *reference) +{ + char *sm_alternate = NULL, *error_strategy = NULL; + struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT; + + git_config_get_string("submodule.alternateLocation", &sm_alternate); + if (!sm_alternate) + return; + + git_config_get_string("submodule.alternateErrorStrategy", &error_strategy); + + if (!error_strategy) + error_strategy = xstrdup("die"); + + sas.submodule_name = sm_name; + sas.reference = reference; + if (!strcmp(error_strategy, "die")) + sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE; + else if (!strcmp(error_strategy, "info")) + sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO; + else if (!strcmp(error_strategy, "ignore")) + sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE; + else + die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy); + + if (!strcmp(sm_alternate, "superproject")) + foreach_alt_odb(add_possible_reference_from_superproject, &sas); + else if (!strcmp(sm_alternate, "no")) + ; /* do nothing */ + else + die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate); + + free(sm_alternate); + free(error_strategy); +} + static int module_clone(int argc, const char **argv, const char *prefix) { - const char *name = NULL, *url = NULL; - const char *reference = NULL, *depth = NULL; + const char *name = NULL, *url = NULL, *depth = NULL; int quiet = 0; - FILE *submodule_dot_git; + int progress = 0; char *p, *path = NULL, *sm_gitdir; - struct strbuf rel_path = STRBUF_INIT; struct strbuf sb = STRBUF_INIT; + struct string_list reference = STRING_LIST_INIT_NODUP; + char *sm_alternate = NULL, *error_strategy = NULL; struct option module_clone_options[] = { OPT_STRING(0, "prefix", &prefix, @@ -490,13 +637,15 @@ static int module_clone(int argc, const char **argv, const char *prefix) OPT_STRING(0, "url", &url, N_("string"), N_("url where to clone the submodule from")), - OPT_STRING(0, "reference", &reference, - N_("string"), + OPT_STRING_LIST(0, "reference", &reference, + N_("repo"), N_("reference repository")), OPT_STRING(0, "depth", &depth, N_("string"), N_("depth for shallow clones")), OPT__QUIET(&quiet, "Suppress output for cloning a submodule"), + OPT_BOOL(0, "progress", &progress, + N_("force cloning progress")), OPT_END() }; @@ -515,7 +664,7 @@ static int module_clone(int argc, const char **argv, const char *prefix) module_clone_options); strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name); - sm_gitdir = xstrdup(absolute_path(sb.buf)); + sm_gitdir = absolute_pathdup(sb.buf); strbuf_reset(&sb); if (!is_absolute_path(path)) { @@ -527,7 +676,11 @@ static int module_clone(int argc, const char **argv, const char *prefix) if (!file_exists(sm_gitdir)) { if (safe_create_leading_directories_const(sm_gitdir) < 0) die(_("could not create directory '%s'"), sm_gitdir); - if (clone_submodule(path, sm_gitdir, url, depth, reference, quiet)) + + prepare_possible_alternates(name, &reference); + + if (clone_submodule(path, sm_gitdir, url, depth, &reference, + quiet, progress)) die(_("clone of '%s' into submodule path '%s' failed"), url, path); } else { @@ -538,29 +691,27 @@ static int module_clone(int argc, const char **argv, const char *prefix) strbuf_reset(&sb); } - /* Write a .git file in the submodule to redirect to the superproject. */ - strbuf_addf(&sb, "%s/.git", path); - if (safe_create_leading_directories_const(sb.buf) < 0) - die(_("could not create leading directories of '%s'"), sb.buf); - submodule_dot_git = fopen(sb.buf, "w"); - if (!submodule_dot_git) - die_errno(_("cannot open file '%s'"), sb.buf); - - fprintf_or_die(submodule_dot_git, "gitdir: %s\n", - relative_path(sm_gitdir, path, &rel_path)); - if (fclose(submodule_dot_git)) - die(_("could not close file %s"), sb.buf); - strbuf_reset(&sb); - strbuf_reset(&rel_path); + /* Connect module worktree and git dir */ + connect_work_tree_and_git_dir(path, sm_gitdir); - /* Redirect the worktree of the submodule in the superproject's config */ p = git_pathdup_submodule(path, "config"); if (!p) die(_("could not get submodule directory for '%s'"), path); - git_config_set_in_file(p, "core.worktree", - relative_path(path, sm_gitdir, &rel_path)); + + /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */ + git_config_get_string("submodule.alternateLocation", &sm_alternate); + if (sm_alternate) + git_config_set_in_file(p, "submodule.alternateLocation", + sm_alternate); + git_config_get_string("submodule.alternateErrorStrategy", &error_strategy); + if (error_strategy) + git_config_set_in_file(p, "submodule.alternateErrorStrategy", + error_strategy); + + free(sm_alternate); + free(error_strategy); + strbuf_release(&sb); - strbuf_release(&rel_path); free(sm_gitdir); free(path); free(p); @@ -577,9 +728,10 @@ struct submodule_update_clone { struct submodule_update_strategy update; /* configuration parameters which are passed on to the children */ + int progress; int quiet; int recommend_shallow; - const char *reference; + struct string_list references; const char *depth; const char *recursive_prefix; const char *prefix; @@ -595,7 +747,8 @@ struct submodule_update_clone { int failed_clones_nr, failed_clones_alloc; }; #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \ - SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, NULL, NULL, NULL, NULL, \ + SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, \ + NULL, NULL, NULL, \ STRING_LIST_INIT_DUP, 0, NULL, 0, 0} @@ -630,7 +783,6 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, struct strbuf displaypath_sb = STRBUF_INIT; struct strbuf sb = STRBUF_INIT; const char *displaypath = NULL; - char *url = NULL; int needs_cloning = 0; if (ce_stage(ce)) { @@ -664,15 +816,8 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, goto cleanup; } - /* - * Looking up the url in .git/config. - * We must not fall back to .gitmodules as we only want - * to process configured submodules. - */ - strbuf_reset(&sb); - strbuf_addf(&sb, "submodule.%s.url", sub->name); - git_config_get_string(sb.buf, &url); - if (!url) { + /* Check if the submodule has been initialized. */ + if (!is_submodule_initialized(ce->name)) { next_submodule_warn_missing(suc, out, displaypath); goto cleanup; } @@ -683,7 +828,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, strbuf_reset(&sb); strbuf_addf(&sb, "%06o %s %d %d\t%s\n", ce->ce_mode, - sha1_to_hex(ce->sha1), ce_stage(ce), + oid_to_hex(&ce->oid), ce_stage(ce), needs_cloning, ce->name); string_list_append(&suc->projectlines, sb.buf); @@ -696,6 +841,8 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, child->err = -1; argv_array_push(&child->args, "submodule--helper"); argv_array_push(&child->args, "clone"); + if (suc->progress) + argv_array_push(&child->args, "--progress"); if (suc->quiet) argv_array_push(&child->args, "--quiet"); if (suc->prefix) @@ -704,14 +851,16 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, argv_array_push(&child->args, "--depth=1"); argv_array_pushl(&child->args, "--path", sub->path, NULL); argv_array_pushl(&child->args, "--name", sub->name, NULL); - argv_array_pushl(&child->args, "--url", url, NULL); - if (suc->reference) - argv_array_push(&child->args, suc->reference); + argv_array_pushl(&child->args, "--url", sub->url, NULL); + if (suc->references.nr) { + struct string_list_item *item; + for_each_string_list_item(item, &suc->references) + argv_array_pushl(&child->args, "--reference", item->string, NULL); + } if (suc->depth) argv_array_push(&child->args, suc->depth); cleanup: - free(url); strbuf_reset(&displaypath_sb); strbuf_reset(&sb); @@ -830,7 +979,7 @@ static int update_clone(int argc, const char **argv, const char *prefix) OPT_STRING(0, "update", &update, N_("string"), N_("rebase, merge, checkout or none")), - OPT_STRING(0, "reference", &suc.reference, N_("repo"), + OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"), N_("reference repository")), OPT_STRING(0, "depth", &suc.depth, "<depth>", N_("Create a shallow clone truncated to the " @@ -840,6 +989,8 @@ static int update_clone(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow, N_("whether the initial clone should follow the shallow recommendation")), OPT__QUIET(&suc.quiet, N_("don't print cloning progress")), + OPT_BOOL(0, "progress", &suc.progress, + N_("force cloning progress")), OPT_END() }; @@ -954,21 +1105,118 @@ static int resolve_remote_submodule_branch(int argc, const char **argv, return 0; } +static int push_check(int argc, const char **argv, const char *prefix) +{ + struct remote *remote; + + if (argc < 2) + die("submodule--helper push-check requires at least 1 argument"); + + /* + * The remote must be configured. + * This is to avoid pushing to the exact same URL as the parent. + */ + remote = pushremote_get(argv[1]); + if (!remote || remote->origin == REMOTE_UNCONFIGURED) + die("remote '%s' not configured", argv[1]); + + /* Check the refspec */ + if (argc > 2) { + int i, refspec_nr = argc - 2; + struct ref *local_refs = get_local_heads(); + struct refspec *refspec = parse_push_refspec(refspec_nr, + argv + 2); + + for (i = 0; i < refspec_nr; i++) { + struct refspec *rs = refspec + i; + + if (rs->pattern || rs->matching) + continue; + + /* + * LHS must match a single ref + * NEEDSWORK: add logic to special case 'HEAD' once + * working with submodules in a detached head state + * ceases to be the norm. + */ + if (count_refspec_match(rs->src, local_refs, NULL) != 1) + die("src refspec '%s' must name a ref", + rs->src); + } + free_refspec(refspec_nr, refspec); + } + + return 0; +} + +static int absorb_git_dirs(int argc, const char **argv, const char *prefix) +{ + int i; + struct pathspec pathspec; + struct module_list list = MODULE_LIST_INIT; + unsigned flags = ABSORB_GITDIR_RECURSE_SUBMODULES; + + struct option embed_gitdir_options[] = { + OPT_STRING(0, "prefix", &prefix, + N_("path"), + N_("path into the working tree")), + OPT_BIT(0, "--recursive", &flags, N_("recurse into submodules"), + ABSORB_GITDIR_RECURSE_SUBMODULES), + OPT_END() + }; + + const char *const git_submodule_helper_usage[] = { + N_("git submodule--helper embed-git-dir [<path>...]"), + NULL + }; + + argc = parse_options(argc, argv, prefix, embed_gitdir_options, + git_submodule_helper_usage, 0); + + gitmodules_config(); + git_config(submodule_config, NULL); + + if (module_list_compute(argc, argv, prefix, &pathspec, &list) < 0) + return 1; + + for (i = 0; i < list.nr; i++) + absorb_git_dir_into_superproject(prefix, + list.entries[i]->name, flags); + + return 0; +} + +static int is_active(int argc, const char **argv, const char *prefix) +{ + if (argc != 2) + die("submodule--helper is-active takes exactly 1 argument"); + + gitmodules_config(); + + return !is_submodule_initialized(argv[1]); +} + +#define SUPPORT_SUPER_PREFIX (1<<0) + struct cmd_struct { const char *cmd; int (*fn)(int, const char **, const char *); + unsigned option; }; static struct cmd_struct commands[] = { - {"list", module_list}, - {"name", module_name}, - {"clone", module_clone}, - {"update-clone", update_clone}, - {"relative-path", resolve_relative_path}, - {"resolve-relative-url", resolve_relative_url}, - {"resolve-relative-url-test", resolve_relative_url_test}, - {"init", module_init}, - {"remote-branch", resolve_remote_submodule_branch} + {"list", module_list, 0}, + {"name", module_name, 0}, + {"clone", module_clone, 0}, + {"update-clone", update_clone, 0}, + {"relative-path", resolve_relative_path, 0}, + {"resolve-relative-url", resolve_relative_url, 0}, + {"resolve-relative-url-test", resolve_relative_url_test, 0}, + {"init", module_init, SUPPORT_SUPER_PREFIX}, + {"remote-branch", resolve_remote_submodule_branch, 0}, + {"push-check", push_check, 0}, + {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX}, + {"is-active", is_active, 0}, }; int cmd_submodule__helper(int argc, const char **argv, const char *prefix) @@ -978,9 +1226,15 @@ int cmd_submodule__helper(int argc, const char **argv, const char *prefix) die(_("submodule--helper subcommand must be " "called with a subcommand")); - for (i = 0; i < ARRAY_SIZE(commands); i++) - if (!strcmp(argv[1], commands[i].cmd)) + for (i = 0; i < ARRAY_SIZE(commands); i++) { + if (!strcmp(argv[1], commands[i].cmd)) { + if (get_super_prefix() && + !(commands[i].option & SUPPORT_SUPER_PREFIX)) + die(_("%s doesn't support --super-prefix"), + commands[i].cmd); return commands[i].fn(argc - 1, argv + 1, prefix); + } + } die(_("'%s' is not a valid submodule--helper " "subcommand"), argv[1]); diff --git a/builtin/symbolic-ref.c b/builtin/symbolic-ref.c index 96eed94..70addef 100644 --- a/builtin/symbolic-ref.c +++ b/builtin/symbolic-ref.c @@ -58,7 +58,7 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix) die("Cannot delete %s, not a symbolic ref", argv[0]); if (!strcmp(argv[0], "HEAD")) die("deleting '%s' is not allowed", argv[0]); - return delete_ref(argv[0], NULL, REF_NODEREF); + return delete_ref(NULL, argv[0], NULL, REF_NODEREF); } switch (argc) { diff --git a/builtin/tag.c b/builtin/tag.c index 50e4ae5..2224045 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -22,9 +22,9 @@ static const char * const git_tag_usage[] = { N_("git tag [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] <tagname> [<head>]"), N_("git tag -d <tagname>..."), - N_("git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>]" + N_("git tag -l [-n[<num>]] [--contains <commit>] [--no-contains <commit>] [--points-at <object>]" "\n\t\t[--format=<format>] [--[no-]merged [<commit>]] [<pattern>...]"), - N_("git tag -v <tagname>..."), + N_("git tag -v [--format=<format>] <tagname>..."), NULL }; @@ -45,11 +45,11 @@ static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, con if (!format) { if (filter->lines) { to_free = xstrfmt("%s %%(contents:lines=%d)", - "%(align:15)%(refname:strip=2)%(end)", + "%(align:15)%(refname:lstrip=2)%(end)", filter->lines); format = to_free; } else - format = "%(refname:strip=2)"; + format = "%(refname:lstrip=2)"; } verify_ref_format(format); @@ -66,46 +66,57 @@ static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, con } typedef int (*each_tag_name_fn)(const char *name, const char *ref, - const unsigned char *sha1); + const unsigned char *sha1, const void *cb_data); -static int for_each_tag_name(const char **argv, each_tag_name_fn fn) +static int for_each_tag_name(const char **argv, each_tag_name_fn fn, + const void *cb_data) { const char **p; - char ref[PATH_MAX]; + struct strbuf ref = STRBUF_INIT; int had_error = 0; unsigned char sha1[20]; for (p = argv; *p; p++) { - if (snprintf(ref, sizeof(ref), "refs/tags/%s", *p) - >= sizeof(ref)) { - error(_("tag name too long: %.*s..."), 50, *p); - had_error = 1; - continue; - } - if (read_ref(ref, sha1)) { + strbuf_reset(&ref); + strbuf_addf(&ref, "refs/tags/%s", *p); + if (read_ref(ref.buf, sha1)) { error(_("tag '%s' not found."), *p); had_error = 1; continue; } - if (fn(*p, ref, sha1)) + if (fn(*p, ref.buf, sha1, cb_data)) had_error = 1; } + strbuf_release(&ref); return had_error; } static int delete_tag(const char *name, const char *ref, - const unsigned char *sha1) + const unsigned char *sha1, const void *cb_data) { - if (delete_ref(ref, sha1, 0)) + if (delete_ref(NULL, ref, sha1, 0)) return 1; printf(_("Deleted tag '%s' (was %s)\n"), name, find_unique_abbrev(sha1, DEFAULT_ABBREV)); return 0; } static int verify_tag(const char *name, const char *ref, - const unsigned char *sha1) + const unsigned char *sha1, const void *cb_data) { - return gpg_verify_tag(sha1, name, GPG_VERIFY_VERBOSE); + int flags; + const char *fmt_pretty = cb_data; + flags = GPG_VERIFY_VERBOSE; + + if (fmt_pretty) + flags = GPG_VERIFY_OMIT_STATUS; + + if (gpg_verify_tag(sha1, name, flags)) + return -1; + + if (fmt_pretty) + pretty_print_ref(name, sha1, fmt_pretty); + + return 0; } static int do_sign(struct strbuf *buffer) @@ -217,26 +228,22 @@ static void create_tag(const unsigned char *object, const char *tag, unsigned char *prev, unsigned char *result) { enum object_type type; - char header_buf[1024]; - int header_len; + struct strbuf header = STRBUF_INIT; char *path = NULL; type = sha1_object_info(object, NULL); if (type <= OBJ_NONE) die(_("bad object type.")); - header_len = snprintf(header_buf, sizeof(header_buf), - "object %s\n" - "type %s\n" - "tag %s\n" - "tagger %s\n\n", - sha1_to_hex(object), - typename(type), - tag, - git_committer_info(IDENT_STRICT)); - - if (header_len > sizeof(header_buf) - 1) - die(_("tag header too big.")); + strbuf_addf(&header, + "object %s\n" + "type %s\n" + "tag %s\n" + "tagger %s\n\n", + sha1_to_hex(object), + typename(type), + tag, + git_committer_info(IDENT_STRICT)); if (!opt->message_given) { int fd; @@ -274,7 +281,8 @@ static void create_tag(const unsigned char *object, const char *tag, if (!opt->message_given && !buf->len) die(_("no tag message?")); - strbuf_insert(buf, 0, header_buf, header_len); + strbuf_insert(buf, 0, header.buf, header.len); + strbuf_release(&header); if (build_tag_object(buf, opt->sign, result) < 0) { if (path) @@ -288,6 +296,54 @@ static void create_tag(const unsigned char *object, const char *tag, } } +static void create_reflog_msg(const unsigned char *sha1, struct strbuf *sb) +{ + enum object_type type; + struct commit *c; + char *buf; + unsigned long size; + int subject_len = 0; + const char *subject_start; + + char *rla = getenv("GIT_REFLOG_ACTION"); + if (rla) { + strbuf_addstr(sb, rla); + } else { + strbuf_addstr(sb, _("tag: tagging ")); + strbuf_add_unique_abbrev(sb, sha1, DEFAULT_ABBREV); + } + + strbuf_addstr(sb, " ("); + type = sha1_object_info(sha1, NULL); + switch (type) { + default: + strbuf_addstr(sb, _("object of unknown type")); + break; + case OBJ_COMMIT: + if ((buf = read_sha1_file(sha1, &type, &size)) != NULL) { + subject_len = find_commit_subject(buf, &subject_start); + strbuf_insert(sb, sb->len, subject_start, subject_len); + } else { + strbuf_addstr(sb, _("commit object")); + } + free(buf); + + if ((c = lookup_commit_reference(sha1)) != NULL) + strbuf_addf(sb, ", %s", show_date(c->date, 0, DATE_MODE(SHORT))); + break; + case OBJ_TREE: + strbuf_addstr(sb, _("tree object")); + break; + case OBJ_BLOB: + strbuf_addstr(sb, _("blob object")); + break; + case OBJ_TAG: + strbuf_addstr(sb, _("other tag object")); + break; + } + strbuf_addch(sb, ')'); +} + struct msg_arg { int given; struct strbuf buf; @@ -321,6 +377,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) { struct strbuf buf = STRBUF_INIT; struct strbuf ref = STRBUF_INIT; + struct strbuf reflog_msg = STRBUF_INIT; unsigned char object[20], prev[20]; const char *object_ref, *tag; struct create_tag_options opt; @@ -335,6 +392,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) struct ref_filter filter; static struct ref_sorting *sorting = NULL, **sorting_tail = &sorting; const char *format = NULL; + int icase = 0; struct option options[] = { OPT_CMDMODE('l', "list", &cmdmode, N_("list tag names"), 'l'), { OPTION_INTEGER, 'n', NULL, &filter.lines, N_("n"), @@ -360,19 +418,25 @@ int cmd_tag(int argc, const char **argv, const char *prefix) OPT_GROUP(N_("Tag listing options")), OPT_COLUMN(0, "column", &colopts, N_("show tag list in columns")), OPT_CONTAINS(&filter.with_commit, N_("print only tags that contain the commit")), + OPT_NO_CONTAINS(&filter.no_commit, N_("print only tags that don't contain the commit")), OPT_WITH(&filter.with_commit, N_("print only tags that contain the commit")), + OPT_WITHOUT(&filter.no_commit, N_("print only tags that don't contain the commit")), OPT_MERGED(&filter, N_("print only tags that are merged")), OPT_NO_MERGED(&filter, N_("print only tags that are not merged")), OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"), N_("field name to sort on"), &parse_opt_ref_sorting), { OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"), - N_("print only tags of the object"), 0, parse_opt_object_name + N_("print only tags of the object"), PARSE_OPT_LASTARG_DEFAULT, + parse_opt_object_name, (intptr_t) "HEAD" }, OPT_STRING( 0 , "format", &format, N_("format"), N_("format to use for the output")), + OPT_BOOL('i', "ignore-case", &icase, N_("sorting and filtering are case insensitive")), OPT_END() }; + setup_ref_filter_porcelain_msg(); + git_config(git_tag_config, sorting_tail); memset(&opt, 0, sizeof(opt)); @@ -387,8 +451,14 @@ int cmd_tag(int argc, const char **argv, const char *prefix) } create_tag_object = (opt.sign || annotate || msg.given || msgfile); - if (argc == 0 && !cmdmode) - cmdmode = 'l'; + if (!cmdmode) { + if (argc == 0) + cmdmode = 'l'; + else if (filter.with_commit || filter.no_commit || + filter.points_at.nr || filter.merge_commit || + filter.lines != -1) + cmdmode = 'l'; + } if ((create_tag_object || force) && (cmdmode != 0)) usage_with_options(git_tag_usage, options); @@ -401,6 +471,8 @@ int cmd_tag(int argc, const char **argv, const char *prefix) } if (!sorting) sorting = ref_default_sorting(); + sorting->ignore_case = icase; + filter.ignore_case = icase; if (cmdmode == 'l') { int ret; if (column_active(colopts)) { @@ -416,17 +488,22 @@ int cmd_tag(int argc, const char **argv, const char *prefix) return ret; } if (filter.lines != -1) - die(_("-n option is only allowed with -l.")); + die(_("-n option is only allowed in list mode")); if (filter.with_commit) - die(_("--contains option is only allowed with -l.")); + die(_("--contains option is only allowed in list mode")); + if (filter.no_commit) + die(_("--no-contains option is only allowed in list mode")); if (filter.points_at.nr) - die(_("--points-at option is only allowed with -l.")); + die(_("--points-at option is only allowed in list mode")); if (filter.merge_commit) - die(_("--merged and --no-merged option are only allowed with -l")); + die(_("--merged and --no-merged options are only allowed in list mode")); if (cmdmode == 'd') - return for_each_tag_name(argv, delete_tag); - if (cmdmode == 'v') - return for_each_tag_name(argv, verify_tag); + return for_each_tag_name(argv, delete_tag, NULL); + if (cmdmode == 'v') { + if (format) + verify_ref_format(format); + return for_each_tag_name(argv, verify_tag, format); + } if (msg.given || msgfile) { if (msg.given && msgfile) @@ -473,6 +550,8 @@ int cmd_tag(int argc, const char **argv, const char *prefix) else die(_("Invalid cleanup mode %s"), cleanup_arg); + create_reflog_msg(object, &reflog_msg); + if (create_tag_object) { if (force_sign_annotate && !annotate) opt.sign = 1; @@ -483,7 +562,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) if (!transaction || ref_transaction_update(transaction, ref.buf, object, prev, create_reflog ? REF_FORCE_CREATE_REFLOG : 0, - NULL, &err) || + reflog_msg.buf, &err) || ref_transaction_commit(transaction, &err)) die("%s", err.buf); ref_transaction_free(transaction); @@ -493,5 +572,6 @@ int cmd_tag(int argc, const char **argv, const char *prefix) strbuf_release(&err); strbuf_release(&buf); strbuf_release(&ref); + strbuf_release(&reflog_msg); return 0; } diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c index 172470b..4532aa0 100644 --- a/builtin/unpack-objects.c +++ b/builtin/unpack-objects.c @@ -19,6 +19,7 @@ static const char unpack_usage[] = "git unpack-objects [-n] [-q] [-r] [--strict] static unsigned char buffer[4096]; static unsigned int offset, len; static off_t consumed_bytes; +static off_t max_input_size; static git_SHA_CTX ctx; static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT; @@ -87,6 +88,8 @@ static void use(int bytes) if (signed_add_overflows(consumed_bytes, bytes)) die("pack too large for current definition of off_t"); consumed_bytes += bytes; + if (max_input_size && consumed_bytes > max_input_size) + die(_("pack exceeds maximum allowed size")); } static void *get_data(unsigned long size) @@ -550,6 +553,10 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix) len = sizeof(*hdr); continue; } + if (skip_prefix(arg, "--max-input-size=", &arg)) { + max_input_size = strtoumax(arg, NULL, 10); + continue; + } usage(unpack_usage); } diff --git a/builtin/update-index.c b/builtin/update-index.c index 9e9e040..ebfc09f 100644 --- a/builtin/update-index.c +++ b/builtin/update-index.c @@ -125,12 +125,16 @@ static int test_if_untracked_cache_is_supported(void) struct stat st; struct stat_data base; int fd, ret = 0; + char *cwd; strbuf_addstr(&mtime_dir, "mtime-test-XXXXXX"); if (!mkdtemp(mtime_dir.buf)) die_errno("Could not make temporary directory"); - fprintf(stderr, _("Testing mtime in '%s' "), xgetcwd()); + cwd = xgetcwd(); + fprintf(stderr, _("Testing mtime in '%s' "), cwd); + free(cwd); + atexit(remove_test_directory); xstat_mtime_dir(&st); fill_stat_data(&base, &st); @@ -275,7 +279,7 @@ static int add_one_path(const struct cache_entry *old, const char *path, int len fill_stat_cache_info(ce, st); ce->ce_mode = ce_mode_from_stat(old, st->st_mode); - if (index_path(ce->sha1, path, st, + if (index_path(ce->oid.hash, path, st, info_only ? 0 : HASH_WRITE_OBJECT)) { free(ce); return -1; @@ -312,7 +316,7 @@ static int add_one_path(const struct cache_entry *old, const char *path, int len */ static int process_directory(const char *path, int len, struct stat *st) { - unsigned char sha1[20]; + struct object_id oid; int pos = cache_name_pos(path, len); /* Exact match: file or existing gitlink */ @@ -321,7 +325,7 @@ static int process_directory(const char *path, int len, struct stat *st) if (S_ISGITLINK(ce->ce_mode)) { /* Do nothing to the index if there is no HEAD! */ - if (resolve_gitlink_ref(path, "HEAD", sha1) < 0) + if (resolve_gitlink_ref(path, "HEAD", oid.hash) < 0) return 0; return add_one_path(ce, path, len, st); @@ -347,7 +351,7 @@ static int process_directory(const char *path, int len, struct stat *st) } /* No match - should we add it as a gitlink? */ - if (!resolve_gitlink_ref(path, "HEAD", sha1)) + if (!resolve_gitlink_ref(path, "HEAD", oid.hash)) return add_one_path(NULL, path, len, st); /* Error out. */ @@ -390,7 +394,7 @@ static int process_path(const char *path) return add_one_path(ce, path, len, &st); } -static int add_cacheinfo(unsigned int mode, const unsigned char *sha1, +static int add_cacheinfo(unsigned int mode, const struct object_id *oid, const char *path, int stage) { int size, len, option; @@ -403,7 +407,7 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1, size = cache_entry_size(len); ce = xcalloc(1, size); - hashcpy(ce->sha1, sha1); + oidcpy(&ce->oid, oid); memcpy(ce->name, path, len); ce->ce_flags = create_ce_flags(stage); ce->ce_namelen = len; @@ -475,7 +479,7 @@ static void read_index_info(int nul_term_line) while (getline_fn(&buf, stdin) != EOF) { char *ptr, *tab; char *path_name; - unsigned char sha1[20]; + struct object_id oid; unsigned int mode; unsigned long ul; int stage; @@ -504,7 +508,7 @@ static void read_index_info(int nul_term_line) mode = ul; tab = strchr(ptr, '\t'); - if (!tab || tab - ptr < 41) + if (!tab || tab - ptr < GIT_SHA1_HEXSZ + 1) goto bad_line; if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') { @@ -517,7 +521,8 @@ static void read_index_info(int nul_term_line) ptr = tab + 1; /* point at the head of path */ } - if (get_sha1_hex(tab - 40, sha1) || tab[-41] != ' ') + if (get_oid_hex(tab - GIT_SHA1_HEXSZ, &oid) || + tab[-(GIT_SHA1_HEXSZ + 1)] != ' ') goto bad_line; path_name = ptr; @@ -545,8 +550,8 @@ static void read_index_info(int nul_term_line) * ptr[-1] points at tab, * ptr[-41] is at the beginning of sha1 */ - ptr[-42] = ptr[-1] = 0; - if (add_cacheinfo(mode, sha1, path_name, stage)) + ptr[-(GIT_SHA1_HEXSZ + 2)] = ptr[-1] = 0; + if (add_cacheinfo(mode, &oid, path_name, stage)) die("git update-index: unable to update %s", path_name); } @@ -564,19 +569,19 @@ static const char * const update_index_usage[] = { NULL }; -static unsigned char head_sha1[20]; -static unsigned char merge_head_sha1[20]; +static struct object_id head_oid; +static struct object_id merge_head_oid; static struct cache_entry *read_one_ent(const char *which, - unsigned char *ent, const char *path, + struct object_id *ent, const char *path, int namelen, int stage) { unsigned mode; - unsigned char sha1[20]; + struct object_id oid; int size; struct cache_entry *ce; - if (get_tree_entry(ent, path, sha1, &mode)) { + if (get_tree_entry(ent->hash, path, oid.hash, &mode)) { if (which) error("%s: not in %s branch.", path, which); return NULL; @@ -589,7 +594,7 @@ static struct cache_entry *read_one_ent(const char *which, size = cache_entry_size(namelen); ce = xcalloc(1, size); - hashcpy(ce->sha1, sha1); + oidcpy(&ce->oid, &oid); memcpy(ce->name, path, namelen); ce->ce_flags = create_ce_flags(stage); ce->ce_namelen = namelen; @@ -639,14 +644,14 @@ static int unresolve_one(const char *path) * stuff HEAD version in stage #2, * stuff MERGE_HEAD version in stage #3. */ - ce_2 = read_one_ent("our", head_sha1, path, namelen, 2); - ce_3 = read_one_ent("their", merge_head_sha1, path, namelen, 3); + ce_2 = read_one_ent("our", &head_oid, path, namelen, 2); + ce_3 = read_one_ent("their", &merge_head_oid, path, namelen, 3); if (!ce_2 || !ce_3) { ret = -1; goto free_return; } - if (!hashcmp(ce_2->sha1, ce_3->sha1) && + if (!oidcmp(&ce_2->oid, &ce_3->oid) && ce_2->ce_mode == ce_3->ce_mode) { fprintf(stderr, "%s: identical in both, skipping.\n", path); @@ -671,9 +676,9 @@ static int unresolve_one(const char *path) static void read_head_pointers(void) { - if (read_ref("HEAD", head_sha1)) + if (read_ref("HEAD", head_oid.hash)) die("No HEAD -- no initial commit yet?"); - if (read_ref("MERGE_HEAD", merge_head_sha1)) { + if (read_ref("MERGE_HEAD", merge_head_oid.hash)) { fprintf(stderr, "Not in the middle of a merge.\n"); exit(0); } @@ -713,7 +718,7 @@ static int do_reupdate(int ac, const char **av, PATHSPEC_PREFER_CWD, prefix, av + 1); - if (read_ref("HEAD", head_sha1)) + if (read_ref("HEAD", head_oid.hash)) /* If there is no HEAD, that means it is an initial * commit. Update everything in the index. */ @@ -728,10 +733,10 @@ static int do_reupdate(int ac, const char **av, if (ce_stage(ce) || !ce_path_match(ce, &pathspec, NULL)) continue; if (has_head) - old = read_one_ent(NULL, head_sha1, + old = read_one_ent(NULL, &head_oid, ce->name, ce_namelen(ce), 0); if (old && ce->ce_mode == old->ce_mode && - !hashcmp(ce->sha1, old->sha1)) { + !oidcmp(&ce->oid, &old->oid)) { free(old); continue; /* unchanged */ } @@ -795,7 +800,7 @@ static int resolve_undo_clear_callback(const struct option *opt, static int parse_new_style_cacheinfo(const char *arg, unsigned int *mode, - unsigned char sha1[], + struct object_id *oid, const char **path) { unsigned long ul; @@ -810,21 +815,21 @@ static int parse_new_style_cacheinfo(const char *arg, return -1; /* not a new-style cacheinfo */ *mode = ul; endp++; - if (get_sha1_hex(endp, sha1) || endp[40] != ',') + if (get_oid_hex(endp, oid) || endp[GIT_SHA1_HEXSZ] != ',') return -1; - *path = endp + 41; + *path = endp + GIT_SHA1_HEXSZ + 1; return 0; } static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, const struct option *opt, int unset) { - unsigned char sha1[20]; + struct object_id oid; unsigned int mode; const char *path; - if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, sha1, &path)) { - if (add_cacheinfo(mode, sha1, path, 0)) + if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, &oid, &path)) { + if (add_cacheinfo(mode, &oid, path, 0)) die("git update-index: --cacheinfo cannot add %s", path); ctx->argv++; ctx->argc--; @@ -833,8 +838,8 @@ static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, if (ctx->argc <= 3) return error("option 'cacheinfo' expects <mode>,<sha1>,<path>"); if (strtoul_ui(*++ctx->argv, 8, &mode) || - get_sha1_hex(*++ctx->argv, sha1) || - add_cacheinfo(mode, sha1, *++ctx->argv, 0)) + get_oid_hex(*++ctx->argv, &oid) || + add_cacheinfo(mode, &oid, *++ctx->argv, 0)) die("git update-index: --cacheinfo cannot add %s", *ctx->argv); ctx->argc -= 3; return 0; @@ -1011,6 +1016,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) /* We can't free this memory, it becomes part of a linked list parsed atexit() */ lock_file = xcalloc(1, sizeof(struct lock_file)); + /* we will diagnose later if it turns out that we need to update it */ newfd = hold_locked_index(lock_file, 0); if (newfd < 0) lock_error = errno; @@ -1097,17 +1103,20 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) } if (split_index > 0) { - init_split_index(&the_index); - the_index.cache_changed |= SPLIT_INDEX_ORDERED; - } else if (!split_index && the_index.split_index) { - /* - * can't discard_split_index(&the_index); because that - * will destroy split_index->base->cache[], which may - * be shared with the_index.cache[]. So yeah we're - * leaking a bit here. - */ - the_index.split_index = NULL; - the_index.cache_changed |= SOMETHING_CHANGED; + if (git_config_get_split_index() == 0) + warning(_("core.splitIndex is set to false; " + "remove or change it, if you really want to " + "enable split index")); + if (the_index.split_index) + the_index.cache_changed |= SPLIT_INDEX_ORDERED; + else + add_split_index(&the_index); + } else if (!split_index) { + if (git_config_get_split_index() == 1) + warning(_("core.splitIndex is set to true; " + "remove or change it, if you really want to " + "disable split index")); + remove_split_index(&the_index); } switch (untracked_cache) { @@ -1115,9 +1124,9 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) break; case UC_DISABLE: if (git_config_get_untracked_cache() == 1) - warning("core.untrackedCache is set to true; " - "remove or change it, if you really want to " - "disable the untracked cache"); + warning(_("core.untrackedCache is set to true; " + "remove or change it, if you really want to " + "disable the untracked cache")); remove_untracked_cache(&the_index); report(_("Untracked cache disabled")); break; @@ -1127,9 +1136,9 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) case UC_ENABLE: case UC_FORCE: if (git_config_get_untracked_cache() == 0) - warning("core.untrackedCache is set to false; " - "remove or change it, if you really want to " - "enable the untracked cache"); + warning(_("core.untrackedCache is set to false; " + "remove or change it, if you really want to " + "enable the untracked cache")); add_untracked_cache(&the_index); report(_("Untracked cache enabled for '%s'"), get_git_work_tree()); break; diff --git a/builtin/update-ref.c b/builtin/update-ref.c index 7f30d3a..0b2ecf4 100644 --- a/builtin/update-ref.c +++ b/builtin/update-ref.c @@ -433,7 +433,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) * For purposes of backwards compatibility, we treat * NULL_SHA1 as "don't care" here: */ - return delete_ref(refname, + return delete_ref(msg, refname, (oldval && !is_null_sha1(oldsha1)) ? oldsha1 : NULL, flags); else diff --git a/builtin/upload-archive.c b/builtin/upload-archive.c index 2caedf1..cde0697 100644 --- a/builtin/upload-archive.c +++ b/builtin/upload-archive.c @@ -43,7 +43,7 @@ int cmd_upload_archive_writer(int argc, const char **argv, const char *prefix) } /* parse all options sent by the client */ - return write_archive(sent_argv.argc, sent_argv.argv, prefix, 0, NULL, 1); + return write_archive(sent_argv.argc, sent_argv.argv, prefix, NULL, 1); } __attribute__((format (printf, 1, 2))) @@ -88,11 +88,11 @@ int cmd_upload_archive(int argc, const char **argv, const char *prefix) writer.git_cmd = 1; if (start_command(&writer)) { int err = errno; - packet_write(1, "NACK unable to spawn subprocess\n"); + packet_write_fmt(1, "NACK unable to spawn subprocess\n"); die("upload-archive: %s", strerror(err)); } - packet_write(1, "ACK\n"); + packet_write_fmt(1, "ACK\n"); packet_flush(1); while (1) { diff --git a/builtin/verify-tag.c b/builtin/verify-tag.c index 99f8148..5199553 100644 --- a/builtin/verify-tag.c +++ b/builtin/verify-tag.c @@ -12,9 +12,10 @@ #include <signal.h> #include "parse-options.h" #include "gpg-interface.h" +#include "ref-filter.h" static const char * const verify_tag_usage[] = { - N_("git verify-tag [-v | --verbose] <tag>..."), + N_("git verify-tag [-v | --verbose] [--format=<format>] <tag>..."), NULL }; @@ -30,9 +31,11 @@ int cmd_verify_tag(int argc, const char **argv, const char *prefix) { int i = 1, verbose = 0, had_error = 0; unsigned flags = 0; + char *fmt_pretty = NULL; const struct option verify_tag_options[] = { OPT__VERBOSE(&verbose, N_("print tag contents")), OPT_BIT(0, "raw", &flags, N_("print raw gpg status output"), GPG_VERIFY_RAW), + OPT_STRING( 0 , "format", &fmt_pretty, N_("format"), N_("format to use for the output")), OPT_END() }; @@ -46,13 +49,26 @@ int cmd_verify_tag(int argc, const char **argv, const char *prefix) if (verbose) flags |= GPG_VERIFY_VERBOSE; + if (fmt_pretty) { + verify_ref_format(fmt_pretty); + flags |= GPG_VERIFY_OMIT_STATUS; + } + while (i < argc) { unsigned char sha1[20]; const char *name = argv[i++]; - if (get_sha1(name, sha1)) + if (get_sha1(name, sha1)) { had_error = !!error("tag '%s' not found.", name); - else if (gpg_verify_tag(sha1, name, flags)) + continue; + } + + if (gpg_verify_tag(sha1, name, flags)) { had_error = 1; + continue; + } + + if (fmt_pretty) + pretty_print_ref(name, sha1, fmt_pretty); } return had_error; } diff --git a/builtin/worktree.c b/builtin/worktree.c index 5c4854d..9993ded 100644 --- a/builtin/worktree.c +++ b/builtin/worktree.c @@ -125,9 +125,9 @@ static int prune(int ac, const char **av, const char *prefix) { struct option options[] = { OPT__DRY_RUN(&show_only, N_("do not remove, show only")), - OPT__VERBOSE(&verbose, N_("report pruned objects")), + OPT__VERBOSE(&verbose, N_("report pruned working trees")), OPT_EXPIRY_DATE(0, "expire", &expire, - N_("expire objects older than <time>")), + N_("expire working trees older than <time>")), OPT_END() }; @@ -318,7 +318,8 @@ static int add(int ac, const char **av, const char *prefix) { struct add_opts opts; const char *new_branch_force = NULL; - const char *path, *branch; + char *path; + const char *branch; struct option options[] = { OPT__FORCE(&opts.force, N_("checkout <branch> even if already checked out in other worktree")), OPT_STRING('b', NULL, &opts.new_branch, N_("branch"), @@ -338,7 +339,7 @@ static int add(int ac, const char **av, const char *prefix) if (ac < 1 || ac > 2) usage_with_options(worktree_usage, options); - path = prefix_filename(prefix, strlen(prefix), av[0]); + path = prefix_filename(prefix, av[0]); branch = ac < 2 ? "HEAD" : av[1]; if (!strcmp(branch, "-")) @@ -388,7 +389,7 @@ static void show_worktree_porcelain(struct worktree *wt) printf("HEAD %s\n", sha1_to_hex(wt->head_sha1)); if (wt->is_detached) printf("detached\n"); - else + else if (wt->head_ref) printf("branch %s\n", wt->head_ref); } printf("\n"); @@ -406,10 +407,12 @@ static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len) else { strbuf_addf(&sb, "%-*s ", abbrev_len, find_unique_abbrev(wt->head_sha1, DEFAULT_ABBREV)); - if (!wt->is_detached) + if (wt->is_detached) + strbuf_addstr(&sb, "(detached HEAD)"); + else if (wt->head_ref) strbuf_addf(&sb, "[%s]", shorten_unambiguous_ref(wt->head_ref, 0)); else - strbuf_addstr(&sb, "(detached HEAD)"); + strbuf_addstr(&sb, "(error)"); } printf("%s\n", sb.buf); @@ -445,7 +448,7 @@ static int list(int ac, const char **av, const char *prefix) if (ac) usage_with_options(worktree_usage, options); else { - struct worktree **worktrees = get_worktrees(); + struct worktree **worktrees = get_worktrees(GWT_SORT_LINKED); int path_maxlen = 0, abbrev = DEFAULT_ABBREV, i; if (!porcelain) @@ -476,7 +479,7 @@ static int lock_worktree(int ac, const char **av, const char *prefix) if (ac != 1) usage_with_options(worktree_usage, options); - worktrees = get_worktrees(); + worktrees = get_worktrees(0); wt = find_worktree(worktrees, prefix, av[0]); if (!wt) die(_("'%s' is not a working tree"), av[0]); @@ -509,7 +512,7 @@ static int unlock_worktree(int ac, const char **av, const char *prefix) if (ac != 1) usage_with_options(worktree_usage, options); - worktrees = get_worktrees(); + worktrees = get_worktrees(0); wt = find_worktree(worktrees, prefix, av[0]); if (!wt) die(_("'%s' is not a working tree"), av[0]); |