diff options
Diffstat (limited to 'builtin')
42 files changed, 1853 insertions, 896 deletions
diff --git a/builtin/apply.c b/builtin/apply.c index 530d4bb..f2edc52 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -1634,7 +1634,7 @@ static inline int metadata_changes(struct patch *patch) static char *inflate_it(const void *data, unsigned long size, unsigned long inflated_size) { - z_stream stream; + git_zstream stream; void *out; int st; diff --git a/builtin/archive.c b/builtin/archive.c index b14eaba..883c009 100644 --- a/builtin/archive.c +++ b/builtin/archive.c @@ -24,7 +24,8 @@ static void create_output_file(const char *output_file) } static int run_remote_archiver(int argc, const char **argv, - const char *remote, const char *exec) + const char *remote, const char *exec, + const char *name_hint) { char buf[LARGE_PACKET_MAX]; int fd[2], i, len, rv; @@ -37,6 +38,17 @@ static int run_remote_archiver(int argc, const char **argv, transport = transport_get(_remote, _remote->url[0]); transport_connect(transport, "git-upload-archive", exec, fd); + /* + * Inject a fake --format field at the beginning of the + * arguments, with the format inferred from our output + * filename. This way explicit --format options can override + * it. + */ + if (name_hint) { + const char *format = archive_format_from_filename(name_hint); + if (format) + packet_write(fd[1], "argument --format=%s\n", format); + } for (i = 1; i < argc; i++) packet_write(fd[1], "argument %s\n", argv[i]); packet_flush(fd[1]); @@ -63,17 +75,6 @@ static int run_remote_archiver(int argc, const char **argv, return !!rv; } -static const char *format_from_name(const char *filename) -{ - const char *ext = strrchr(filename, '.'); - if (!ext) - return NULL; - ext++; - if (!strcasecmp(ext, "zip")) - return "--format=zip"; - return NULL; -} - #define PARSE_OPT_KEEP_ALL ( PARSE_OPT_KEEP_DASHDASH | \ PARSE_OPT_KEEP_ARGV0 | \ PARSE_OPT_KEEP_UNKNOWN | \ @@ -84,7 +85,6 @@ int cmd_archive(int argc, const char **argv, const char *prefix) const char *exec = "git-upload-archive"; const char *output = NULL; const char *remote = NULL; - const char *format_option = NULL; struct option local_opts[] = { OPT_STRING('o', "output", &output, "file", "write the archive to this file"), @@ -98,32 +98,13 @@ int cmd_archive(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, local_opts, NULL, PARSE_OPT_KEEP_ALL); - if (output) { + if (output) create_output_file(output); - format_option = format_from_name(output); - } - - /* - * We have enough room in argv[] to muck it in place, because - * --output must have been given on the original command line - * if we get to this point, and parse_options() must have eaten - * it, i.e. we can add back one element to the array. - * - * We add a fake --format option at the beginning, with the - * format inferred from our output filename. This way explicit - * --format options can override it, and the fake option is - * inserted before any "--" that might have been given. - */ - if (format_option) { - memmove(argv + 2, argv + 1, sizeof(*argv) * argc); - argv[1] = format_option; - argv[++argc] = NULL; - } if (remote) - return run_remote_archiver(argc, argv, remote, exec); + return run_remote_archiver(argc, argv, remote, exec, output); setvbuf(stderr, NULL, _IOLBF, BUFSIZ); - return write_archive(argc, argv, prefix, 1); + return write_archive(argc, argv, prefix, 1, output, 0); } diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c index 5b22639..8d325a5 100644 --- a/builtin/bisect--helper.c +++ b/builtin/bisect--helper.c @@ -4,16 +4,19 @@ #include "bisect.h" static const char * const git_bisect_helper_usage[] = { - "git bisect--helper --next-all", + "git bisect--helper --next-all [--no-checkout]", NULL }; int cmd_bisect__helper(int argc, const char **argv, const char *prefix) { int next_all = 0; + int no_checkout = 0; struct option options[] = { OPT_BOOLEAN(0, "next-all", &next_all, "perform 'git bisect next'"), + OPT_BOOLEAN(0, "no-checkout", &no_checkout, + "update BISECT_HEAD instead of checking out the current commit"), OPT_END() }; @@ -24,5 +27,5 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) usage_with_options(git_bisect_helper_usage, options); /* next-all */ - return bisect_next_all(prefix); + return bisect_next_all(prefix, no_checkout); } diff --git a/builtin/branch.c b/builtin/branch.c index 099c75c..009b713 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -71,7 +71,7 @@ static int parse_branch_color_slot(const char *var, int ofs) static int git_branch_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "color.branch")) { - branch_use_color = git_config_colorbool(var, value, -1); + branch_use_color = git_config_colorbool(var, value); return 0; } if (!prefixcmp(var, "color.branch.")) { @@ -88,7 +88,7 @@ static int git_branch_config(const char *var, const char *value, void *cb) static const char *branch_get_color(enum color_branch ix) { - if (branch_use_color > 0) + if (want_color(branch_use_color)) return branch_colors[ix]; return ""; } @@ -583,11 +583,7 @@ static void rename_branch(const char *oldname, const char *newname, int force) die(_("Invalid branch name: '%s'"), oldname); } - if (strbuf_check_branch_ref(&newref, newname)) - die(_("Invalid branch name: '%s'"), newname); - - if (resolve_ref(newref.buf, sha1, 1, NULL) && !force) - die(_("A branch named '%s' already exists."), newref.buf + 11); + validate_new_branchname(newname, &newref, force, 0); strbuf_addf(&logmsg, "Branch: renamed %s to %s", oldref.buf, newref.buf); @@ -691,9 +687,6 @@ int cmd_branch(int argc, const char **argv, const char *prefix) git_config(git_branch_config, NULL); - if (branch_use_color == -1) - branch_use_color = git_use_color_default; - track = git_branch_track; head = resolve_ref("HEAD", head_sha1, 0, NULL); diff --git a/builtin/bundle.c b/builtin/bundle.c index 81046a9..92a8a60 100644 --- a/builtin/bundle.c +++ b/builtin/bundle.c @@ -58,7 +58,7 @@ int cmd_bundle(int argc, const char **argv, const char *prefix) } else if (!strcmp(cmd, "unbundle")) { if (!startup_info->have_repository) die(_("Need a repository to unbundle.")); - return !!unbundle(&header, bundle_fd) || + return !!unbundle(&header, bundle_fd, 0) || list_bundle_refs(&header, argc, argv); } else usage(builtin_bundle_usage); diff --git a/builtin/check-attr.c b/builtin/check-attr.c index 3016d29..708988a 100644 --- a/builtin/check-attr.c +++ b/builtin/check-attr.c @@ -4,28 +4,28 @@ #include "quote.h" #include "parse-options.h" +static int all_attrs; static int stdin_paths; static const char * const check_attr_usage[] = { -"git check-attr attr... [--] pathname...", -"git check-attr --stdin attr... < <list-of-paths>", +"git check-attr [-a | --all | attr...] [--] pathname...", +"git check-attr --stdin [-a | --all | attr...] < <list-of-paths>", NULL }; static int null_term_line; static const struct option check_attr_options[] = { + OPT_BOOLEAN('a', "all", &all_attrs, "report all attributes set on file"), OPT_BOOLEAN(0 , "stdin", &stdin_paths, "read file names from stdin"), OPT_BOOLEAN('z', NULL, &null_term_line, "input paths are terminated by a null character"), OPT_END() }; -static void check_attr(int cnt, struct git_attr_check *check, - const char** name, const char *file) +static void output_attr(int cnt, struct git_attr_check *check, + const char *file) { int j; - if (git_checkattr(file, cnt, check)) - die("git_checkattr died"); for (j = 0; j < cnt; j++) { const char *value = check[j].value; @@ -37,12 +37,30 @@ static void check_attr(int cnt, struct git_attr_check *check, value = "unspecified"; quote_c_style(file, NULL, stdout, 0); - printf(": %s: %s\n", name[j], value); + printf(": %s: %s\n", git_attr_name(check[j].attr), value); } } -static void check_attr_stdin_paths(int cnt, struct git_attr_check *check, - const char** name) +static void check_attr(const char *prefix, int cnt, + struct git_attr_check *check, 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); + } else { + if (git_all_attrs(full_path, &cnt, &check)) + die("git_all_attrs died"); + output_attr(cnt, check, file); + free(check); + } + free(full_path); +} + +static void check_attr_stdin_paths(const char *prefix, int cnt, + struct git_attr_check *check) { struct strbuf buf, nbuf; int line_termination = null_term_line ? 0 : '\n'; @@ -56,23 +74,26 @@ static void check_attr_stdin_paths(int cnt, struct git_attr_check *check, die("line is badly quoted"); strbuf_swap(&buf, &nbuf); } - check_attr(cnt, check, name, buf.buf); + check_attr(prefix, cnt, check, buf.buf); maybe_flush_or_die(stdout, "attribute to stdout"); } strbuf_release(&buf); strbuf_release(&nbuf); } +static NORETURN void error_with_usage(const char *msg) +{ + error("%s", msg); + usage_with_options(check_attr_usage, check_attr_options); +} + int cmd_check_attr(int argc, const char **argv, const char *prefix) { struct git_attr_check *check; - int cnt, i, doubledash; - const char *errstr = NULL; + int cnt, i, doubledash, filei; argc = parse_options(argc, argv, prefix, check_attr_options, check_attr_usage, PARSE_OPT_KEEP_DASHDASH); - if (!argc) - usage_with_options(check_attr_usage, check_attr_options); if (read_cache() < 0) { die("invalid cache"); @@ -84,39 +105,63 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix) doubledash = i; } - /* If there is no double dash, we handle only one attribute */ - if (doubledash < 0) { - cnt = 1; - doubledash = 0; - } else + /* Process --all and/or attribute arguments: */ + if (all_attrs) { + if (doubledash >= 1) + error_with_usage("Attributes and --all both specified"); + + cnt = 0; + filei = doubledash + 1; + } else if (doubledash == 0) { + error_with_usage("No attribute specified"); + } else if (doubledash < 0) { + if (!argc) + error_with_usage("No attribute specified"); + + if (stdin_paths) { + /* Treat all arguments as attribute names. */ + cnt = argc; + filei = argc; + } else { + /* Treat exactly one argument as an attribute name. */ + cnt = 1; + filei = 1; + } + } else { cnt = doubledash; - doubledash++; - - if (cnt <= 0) - errstr = "No attribute specified"; - else if (stdin_paths && doubledash < argc) - errstr = "Can't specify files with --stdin"; - if (errstr) { - error("%s", errstr); - usage_with_options(check_attr_usage, check_attr_options); + filei = doubledash + 1; } - check = xcalloc(cnt, sizeof(*check)); - for (i = 0; i < cnt; i++) { - const char *name; - struct git_attr *a; - name = argv[i]; - a = git_attr(name); - if (!a) - return error("%s: not a valid attribute name", name); - check[i].attr = a; + /* Check file argument(s): */ + if (stdin_paths) { + if (filei < argc) + error_with_usage("Can't specify files with --stdin"); + } else { + if (filei >= argc) + error_with_usage("No file specified"); + } + + if (all_attrs) { + check = NULL; + } else { + check = xcalloc(cnt, sizeof(*check)); + for (i = 0; i < cnt; i++) { + const char *name; + struct git_attr *a; + name = argv[i]; + a = git_attr(name); + if (!a) + return error("%s: not a valid attribute name", + name); + check[i].attr = a; + } } if (stdin_paths) - check_attr_stdin_paths(cnt, check, argv); + check_attr_stdin_paths(prefix, cnt, check); else { - for (i = doubledash; i < argc; i++) - check_attr(cnt, check, argv, argv[i]); + for (i = filei; i < argc; i++) + check_attr(prefix, cnt, check, argv[i]); maybe_flush_or_die(stdout, "attribute to stdout"); } return 0; diff --git a/builtin/check-ref-format.c b/builtin/check-ref-format.c index ae3f281..0723cf2 100644 --- a/builtin/check-ref-format.c +++ b/builtin/check-ref-format.c @@ -12,8 +12,8 @@ static const char builtin_check_ref_format_usage[] = " or: git check-ref-format --branch <branchname-shorthand>"; /* - * Replace each run of adjacent slashes in src with a single slash, - * and write the result to dst. + * Remove leading slashes and replace each run of adjacent slashes in + * src with a single slash, and write the result to dst. * * This function is similar to normalize_path_copy(), but stripped down * to meet check_ref_format's simpler needs. @@ -21,7 +21,7 @@ static const char builtin_check_ref_format_usage[] = static void collapse_slashes(char *dst, const char *src) { char ch; - char prev = '\0'; + char prev = '/'; while ((ch = *src++) != '\0') { if (prev == '/' && ch == prev) diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c index f1fec24..c16d82b 100644 --- a/builtin/checkout-index.c +++ b/builtin/checkout-index.c @@ -3,38 +3,6 @@ * * Copyright (C) 2005 Linus Torvalds * - * Careful: order of argument flags does matter. For example, - * - * git checkout-index -a -f file.c - * - * Will first check out all files listed in the cache (but not - * overwrite any old ones), and then force-checkout "file.c" a - * second time (ie that one _will_ overwrite any old contents - * with the same filename). - * - * Also, just doing "git checkout-index" does nothing. You probably - * meant "git checkout-index -a". And if you want to force it, you - * want "git checkout-index -f -a". - * - * Intuitiveness is not the goal here. Repeatability is. The - * reason for the "no arguments means no work" thing is that - * from scripts you are supposed to be able to do things like - * - * find . -name '*.h' -print0 | xargs -0 git checkout-index -f -- - * - * or: - * - * find . -name '*.h' -print0 | git checkout-index -f -z --stdin - * - * which will force all existing *.h files to be replaced with - * their cached copies. If an empty command line implied "all", - * then this would force-refresh everything in the cache, which - * was not the point. - * - * Oh, and the "--" is just a good idea when you know the rest - * will be filenames. Just so that you wouldn't have a filename - * of "-a" causing problems (not possible in the above example, - * but get used to it in scripting!). */ #include "builtin.h" #include "cache.h" diff --git a/builtin/checkout.c b/builtin/checkout.c index 28cdc51..5e356a6 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -201,7 +201,7 @@ static int checkout_merged(int pos, struct checkout *state) } static int checkout_paths(struct tree *source_tree, const char **pathspec, - struct checkout_opts *opts) + const char *prefix, struct checkout_opts *opts) { int pos; struct checkout state; @@ -231,7 +231,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec, match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, ps_matched); } - if (report_path_error(ps_matched, pathspec, 0)) + if (report_path_error(ps_matched, pathspec, prefix)) return 1; /* "checkout -m path" to recreate conflicted state */ @@ -657,24 +657,25 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs) "Warning: you are leaving %d commit behind, " "not connected to\n" "any of your branches:\n\n" - "%s\n" - "If you want to keep it by creating a new branch, " - "this may be a good time\nto do so with:\n\n" - " git branch new_branch_name %s\n\n", + "%s\n", /* The plural version */ "Warning: you are leaving %d commits behind, " "not connected to\n" "any of your branches:\n\n" - "%s\n" - "If you want to keep them by creating a new branch, " - "this may be a good time\nto do so with:\n\n" - " git branch new_branch_name %s\n\n", + "%s\n", /* Give ngettext() the count */ lost), lost, - sb.buf, - sha1_to_hex(commit->object.sha1)); + sb.buf); strbuf_release(&sb); + + if (advice_detached_head) + fprintf(stderr, + _( + "If you want to keep them by creating a new branch, " + "this may be a good time\nto do so with:\n\n" + " git branch new_branch_name %s\n\n"), + sha1_to_hex(commit->object.sha1)); } /* @@ -715,10 +716,12 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new) unsigned char rev[20]; int flag; memset(&old, 0, sizeof(old)); - old.path = resolve_ref("HEAD", rev, 0, &flag); + old.path = xstrdup(resolve_ref("HEAD", rev, 0, &flag)); old.commit = lookup_commit_reference_gently(rev, 1); - if (!(flag & REF_ISSYMREF)) + if (!(flag & REF_ISSYMREF)) { + free((char *)old.path); old.path = NULL; + } if (old.path && !prefixcmp(old.path, "refs/heads/")) old.name = old.path + strlen("refs/heads/"); @@ -741,6 +744,7 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new) update_refs_for_switch(opts, &old, new); ret = post_checkout_hook(old.commit, new->commit, 1); + free((char *)old.path); return ret || opts->writeout_error; } @@ -1060,7 +1064,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) if (1 < !!opts.writeout_stage + !!opts.force + !!opts.merge) die(_("git checkout: --ours/--theirs, --force and --merge are incompatible when\nchecking out of the index.")); - return checkout_paths(source_tree, pathspec, &opts); + return checkout_paths(source_tree, pathspec, prefix, &opts); } if (patch_mode) @@ -1068,15 +1072,10 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) if (opts.new_branch) { struct strbuf buf = STRBUF_INIT; - if (strbuf_check_branch_ref(&buf, opts.new_branch)) - die(_("git checkout: we do not like '%s' as a branch name."), - opts.new_branch); - if (!get_sha1(buf.buf, rev)) { - opts.branch_exists = 1; - if (!opts.new_branch_force) - die(_("git checkout: branch %s already exists"), - opts.new_branch); - } + + opts.branch_exists = validate_new_branchname(opts.new_branch, &buf, + !!opts.new_branch_force, 0); + strbuf_release(&buf); } diff --git a/builtin/clean.c b/builtin/clean.c index 75697f7..0c7b3d0 100644 --- a/builtin/clean.c +++ b/builtin/clean.c @@ -54,7 +54,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix) OPT_BOOLEAN('d', NULL, &remove_directories, "remove whole directories"), { OPTION_CALLBACK, 'e', "exclude", &exclude_list, "pattern", - "exclude <pattern>", PARSE_OPT_NONEG, exclude_cb }, + "add <pattern> to ignore rules", PARSE_OPT_NONEG, exclude_cb }, OPT_BOOLEAN('x', NULL, &ignored, "remove ignored files, too"), OPT_BOOLEAN('X', NULL, &ignored_only, "remove only ignored files"), @@ -98,7 +98,8 @@ int cmd_clean(int argc, const char **argv, const char *prefix) setup_standard_excludes(&dir); for (i = 0; i < exclude_list.nr; i++) - add_exclude(exclude_list.items[i].string, "", 0, dir.exclude_list); + add_exclude(exclude_list.items[i].string, "", 0, + &dir.exclude_list[EXC_CMDL]); pathspec = get_pathspec(prefix, argv); diff --git a/builtin/clone.c b/builtin/clone.c index f579794..488f48e 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -39,13 +39,24 @@ static const char * const builtin_clone_usage[] = { static int option_no_checkout, option_bare, option_mirror; static int option_local, option_no_hardlinks, option_shared, option_recursive; -static char *option_template, *option_reference, *option_depth; +static char *option_template, *option_depth; static char *option_origin = NULL; static char *option_branch = NULL; static const char *real_git_dir; static char *option_upload_pack = "git-upload-pack"; static int option_verbosity; static int option_progress; +static struct string_list option_config; +static struct string_list option_reference; + +static int opt_parse_reference(const struct option *opt, const char *arg, int unset) +{ + struct string_list *option_reference = opt->value; + if (!arg) + return -1; + string_list_append(option_reference, arg); + return 0; +} static struct option builtin_clone_options[] = { OPT__VERBOSITY(&option_verbosity), @@ -71,8 +82,8 @@ static struct option builtin_clone_options[] = { "initialize submodules in the clone"), OPT_STRING(0, "template", &option_template, "template-directory", "directory from which templates will be used"), - OPT_STRING(0, "reference", &option_reference, "repo", - "reference repository"), + OPT_CALLBACK(0 , "reference", &option_reference, "repo", + "reference repository", &opt_parse_reference), OPT_STRING('o', "origin", &option_origin, "branch", "use <branch> instead of 'origin' to track upstream"), OPT_STRING('b', "branch", &option_branch, "branch", @@ -83,7 +94,8 @@ static struct option builtin_clone_options[] = { "create a shallow clone of that depth"), OPT_STRING(0, "separate-git-dir", &real_git_dir, "gitdir", "separate git dir from working tree"), - + OPT_STRING_LIST('c', "config", &option_config, "key=value", + "set config inside the new repository"), OPT_END() }; @@ -101,9 +113,26 @@ static char *get_repo_path(const char *repo, int *is_bundle) for (i = 0; i < ARRAY_SIZE(suffix); i++) { const char *path; path = mkpath("%s%s", repo, suffix[i]); - if (is_directory(path)) { + if (stat(path, &st)) + continue; + if (S_ISDIR(st.st_mode)) { *is_bundle = 0; return xstrdup(absolute_path(path)); + } else if (S_ISREG(st.st_mode) && st.st_size > 8) { + /* Is it a "gitfile"? */ + char signature[8]; + int len, fd = open(path, O_RDONLY); + if (fd < 0) + continue; + len = read_in_full(fd, signature, 8); + close(fd); + if (len != 8 || strncmp(signature, "gitdir: ", 8)) + continue; + path = read_gitfile(path); + if (path) { + *is_bundle = 0; + return xstrdup(absolute_path(path)); + } } } @@ -197,39 +226,80 @@ static void strip_trailing_slashes(char *dir) *end = '\0'; } -static void setup_reference(const char *repo) +static int add_one_reference(struct string_list_item *item, void *cb_data) { - const char *ref_git; - char *ref_git_copy; - + char *ref_git; + struct strbuf alternate = STRBUF_INIT; struct remote *remote; struct transport *transport; const struct ref *extra; - ref_git = real_path(option_reference); - - if (is_directory(mkpath("%s/.git/objects", ref_git))) - ref_git = mkpath("%s/.git", ref_git); - else if (!is_directory(mkpath("%s/objects", ref_git))) + /* Beware: real_path() and mkpath() return static buffer */ + ref_git = xstrdup(real_path(item->string)); + if (is_directory(mkpath("%s/.git/objects", ref_git))) { + char *ref_git_git = xstrdup(mkpath("%s/.git", ref_git)); + free(ref_git); + ref_git = ref_git_git; + } else if (!is_directory(mkpath("%s/objects", ref_git))) die(_("reference repository '%s' is not a local directory."), - option_reference); + item->string); - ref_git_copy = xstrdup(ref_git); + strbuf_addf(&alternate, "%s/objects", ref_git); + add_to_alternates_file(alternate.buf); + strbuf_release(&alternate); - add_to_alternates_file(ref_git_copy); - - remote = remote_get(ref_git_copy); - transport = transport_get(remote, ref_git_copy); + remote = remote_get(ref_git); + transport = transport_get(remote, ref_git); for (extra = transport_get_remote_refs(transport); extra; extra = extra->next) add_extra_ref(extra->name, extra->old_sha1, 0); transport_disconnect(transport); + free(ref_git); + return 0; +} - free(ref_git_copy); +static void setup_reference(void) +{ + for_each_string_list(&option_reference, add_one_reference, NULL); } -static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest) +static void copy_alternates(struct strbuf *src, struct strbuf *dst, + const char *src_repo) +{ + /* + * Read from the source objects/info/alternates file + * and copy the entries to corresponding file in the + * destination repository with add_to_alternates_file(). + * Both src and dst have "$path/objects/info/alternates". + * + * Instead of copying bit-for-bit from the original, + * we need to append to existing one so that the already + * created entry via "clone -s" is not lost, and also + * to turn entries with paths relative to the original + * absolute, so that they can be used in the new repository. + */ + FILE *in = fopen(src->buf, "r"); + struct strbuf line = STRBUF_INIT; + + while (strbuf_getline(&line, in, '\n') != EOF) { + char *abs_path, abs_buf[PATH_MAX]; + if (!line.len || line.buf[0] == '#') + continue; + if (is_absolute_path(line.buf)) { + add_to_alternates_file(line.buf); + continue; + } + abs_path = mkpath("%s/objects/%s", src_repo, line.buf); + normalize_path_copy(abs_buf, abs_path); + add_to_alternates_file(abs_buf); + } + strbuf_release(&line); + fclose(in); +} + +static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest, + const char *src_repo, int src_baselen) { struct dirent *de; struct stat buf; @@ -265,7 +335,14 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest) } if (S_ISDIR(buf.st_mode)) { if (de->d_name[0] != '.') - copy_or_link_directory(src, dest); + copy_or_link_directory(src, dest, + src_repo, src_baselen); + continue; + } + + /* Files that cannot be copied bit-for-bit... */ + if (!strcmp(src->buf + src_baselen, "/info/alternates")) { + copy_alternates(src, dest, src_repo); continue; } @@ -288,17 +365,20 @@ static const struct ref *clone_local(const char *src_repo, const char *dest_repo) { const struct ref *ret; - struct strbuf src = STRBUF_INIT; - struct strbuf dest = STRBUF_INIT; struct remote *remote; struct transport *transport; - if (option_shared) - add_to_alternates_file(src_repo); - else { + if (option_shared) { + struct strbuf alt = STRBUF_INIT; + strbuf_addf(&alt, "%s/objects", src_repo); + add_to_alternates_file(alt.buf); + strbuf_release(&alt); + } else { + struct strbuf src = STRBUF_INIT; + struct strbuf dest = STRBUF_INIT; strbuf_addf(&src, "%s/objects", src_repo); strbuf_addf(&dest, "%s/objects", dest_repo); - copy_or_link_directory(&src, &dest); + copy_or_link_directory(&src, &dest, src_repo, src.len); strbuf_release(&src); strbuf_release(&dest); } @@ -343,8 +423,9 @@ static void remove_junk_on_signal(int signo) static struct ref *wanted_peer_refs(const struct ref *refs, struct refspec *refspec) { - struct ref *local_refs = NULL; - struct ref **tail = &local_refs; + struct ref *head = copy_ref(find_ref_by_name(refs, "HEAD")); + struct ref *local_refs = head; + struct ref **tail = head ? &head->next : &local_refs; get_fetch_map(refs, refspec, &tail, 0); if (!option_mirror) @@ -357,13 +438,32 @@ static void write_remote_refs(const struct ref *local_refs) { const struct ref *r; - for (r = local_refs; r; r = r->next) + for (r = local_refs; r; r = r->next) { + if (!r->peer_ref) + continue; add_extra_ref(r->peer_ref->name, r->old_sha1, 0); + } pack_refs(PACK_REFS_ALL); clear_extra_refs(); } +static int write_one_config(const char *key, const char *value, void *data) +{ + return git_config_set_multivar(key, value ? value : "true", "^$", 0); +} + +static void write_config(struct string_list *config) +{ + int i; + + for (i = 0; i < config->nr; i++) { + if (git_config_parse_parameter(config->items[i].string, + write_one_config, NULL) < 0) + die("unable to write parameters to config file"); + } +} + int cmd_clone(int argc, const char **argv, const char *prefix) { int is_bundle = 0, is_local; @@ -482,6 +582,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) printf(_("Cloning into %s...\n"), dir); } init_db(option_template, INIT_DB_QUIET); + write_config(&option_config); /* * At this point, the config exists, so we do not need the @@ -521,8 +622,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix) git_config_set(key.buf, repo); strbuf_reset(&key); - if (option_reference) - setup_reference(git_dir); + if (option_reference.nr) + setup_reference(); fetch_pattern = value.buf; refspec = parse_fetch_refspec(1, &fetch_pattern); diff --git a/builtin/commit.c b/builtin/commit.c index e1af9b1..cbc9613 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -62,8 +62,6 @@ N_("The previous cherry-pick is now empty, possibly due to conflict resolution.\ "\n" "Otherwise, please use 'git reset'\n"); -static unsigned char head_sha1[20]; - static const char *use_message_buffer; static const char commit_editmsg[] = "COMMIT_EDITMSG"; static struct lock_file index_lock; /* real index */ @@ -102,7 +100,7 @@ static enum { static char *cleanup_arg; static enum commit_whence whence; -static int use_editor = 1, initial_commit, include_status = 1; +static int use_editor = 1, include_status = 1; static int show_ignored_in_status; static const char *only_include_assumed; static struct strbuf message; @@ -256,8 +254,10 @@ static int list_paths(struct string_list *list, const char *with_tree, ; m = xcalloc(1, i); - if (with_tree) - overlay_tree_on_cache(with_tree, prefix); + if (with_tree) { + const char *max_prefix = pathspec_prefix(prefix, pattern); + overlay_tree_on_cache(with_tree, max_prefix); + } for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; @@ -272,7 +272,7 @@ static int list_paths(struct string_list *list, const char *with_tree, item->util = item; /* better a valid pointer than a fake one */ } - return report_path_error(m, pattern, prefix ? strlen(prefix) : 0); + return report_path_error(m, pattern, prefix); } static void add_remove_files(struct string_list *list) @@ -294,13 +294,13 @@ static void add_remove_files(struct string_list *list) } } -static void create_base_index(void) +static void create_base_index(const struct commit *current_head) { struct tree *tree; struct unpack_trees_options opts; struct tree_desc t; - if (initial_commit) { + if (!current_head) { discard_cache(); return; } @@ -313,7 +313,7 @@ static void create_base_index(void) opts.dst_index = &the_index; opts.fn = oneway_merge; - tree = parse_tree_indirect(head_sha1); + tree = parse_tree_indirect(current_head->object.sha1); if (!tree) die(_("failed to unpack HEAD tree object")); parse_tree(tree); @@ -332,7 +332,8 @@ static void refresh_cache_or_die(int refresh_flags) die_resolve_conflict("commit"); } -static char *prepare_index(int argc, const char **argv, const char *prefix, int is_status) +static char *prepare_index(int argc, const char **argv, const char *prefix, + const struct commit *current_head, int is_status) { int fd; struct string_list partial; @@ -448,7 +449,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int memset(&partial, 0, sizeof(partial)); partial.strdup_strings = 1; - if (list_paths(&partial, initial_commit ? NULL : "HEAD", prefix, pathspec)) + if (list_paths(&partial, !current_head ? NULL : "HEAD", prefix, pathspec)) exit(1); discard_cache(); @@ -467,7 +468,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int (uintmax_t) getpid()), LOCK_DIE_ON_ERROR); - create_base_index(); + create_base_index(current_head); add_remove_files(&partial); refresh_cache(REFRESH_QUIET); @@ -516,12 +517,9 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int return s->commitable; } -static int is_a_merge(const unsigned char *sha1) +static int is_a_merge(const struct commit *current_head) { - struct commit *commit = lookup_commit(sha1); - if (!commit || parse_commit(commit)) - die(_("could not parse HEAD commit")); - return !!(commit->parents && commit->parents->next); + return !!(current_head->parents && current_head->parents->next); } static const char sign_off_header[] = "Signed-off-by: "; @@ -625,6 +623,7 @@ static char *cut_ident_timestamp_part(char *string) } static int prepare_to_commit(const char *index_file, const char *prefix, + struct commit *current_head, struct wt_status *s, struct strbuf *author_ident) { @@ -846,7 +845,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix, * empty due to conflict resolution, which the user should okay. */ if (!commitable && whence != FROM_MERGE && !allow_empty && - !(amend && is_a_merge(head_sha1))) { + !(amend && is_a_merge(current_head))) { run_status(stdout, index_file, prefix, 0, s); if (amend) fputs(_(empty_amend_advice), stderr); @@ -1004,6 +1003,7 @@ static const char *read_commit_message(const char *name) static int parse_and_validate_options(int argc, const char *argv[], const char * const usage[], const char *prefix, + struct commit *current_head, struct wt_status *s) { int f = 0; @@ -1024,11 +1024,8 @@ static int parse_and_validate_options(int argc, const char *argv[], if (!use_editor) setenv("GIT_EDITOR", ":", 1); - if (get_sha1("HEAD", head_sha1)) - initial_commit = 1; - /* Sanity check options */ - if (amend && initial_commit) + if (amend && !current_head) die(_("You have nothing to amend.")); if (amend && whence != FROM_COMMIT) die(_("You are in the middle of a %s -- cannot amend."), whence_s()); @@ -1100,12 +1097,12 @@ static int parse_and_validate_options(int argc, const char *argv[], } static int dry_run_commit(int argc, const char **argv, const char *prefix, - struct wt_status *s) + const struct commit *current_head, struct wt_status *s) { int commitable; const char *index_file; - index_file = prepare_index(argc, argv, prefix, 1); + index_file = prepare_index(argc, argv, prefix, current_head, 1); commitable = run_status(stdout, index_file, prefix, 0, s); rollback_index_files(); @@ -1144,7 +1141,7 @@ static int git_status_config(const char *k, const char *v, void *cb) return 0; } if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) { - s->use_color = git_config_colorbool(k, v, -1); + s->use_color = git_config_colorbool(k, v); return 0; } if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) { @@ -1237,10 +1234,6 @@ int cmd_status(int argc, const char **argv, const char *prefix) if (s.relative_paths) s.prefix = prefix; - if (s.use_color == -1) - s.use_color = git_use_color_default; - if (diff_use_color_default == -1) - diff_use_color_default = git_use_color_default; switch (status_format) { case STATUS_FORMAT_SHORT: @@ -1258,7 +1251,8 @@ int cmd_status(int argc, const char **argv, const char *prefix) return 0; } -static void print_summary(const char *prefix, const unsigned char *sha1) +static void print_summary(const char *prefix, const unsigned char *sha1, + int initial_commit) { struct rev_info rev; struct commit *commit; @@ -1380,12 +1374,13 @@ 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, *p; - unsigned char commit_sha1[20]; + unsigned char sha1[20]; struct ref_lock *ref_lock; struct commit_list *parents = NULL, **pptr = &parents; struct stat statbuf; int allow_fast_forward = 1; struct wt_status s; + struct commit *current_head = NULL; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_commit_usage, builtin_commit_options); @@ -1394,40 +1389,38 @@ int cmd_commit(int argc, const char **argv, const char *prefix) git_config(git_commit_config, &s); determine_whence(&s); - if (s.use_color == -1) - s.use_color = git_use_color_default; - argc = parse_and_validate_options(argc, argv, builtin_commit_usage, - prefix, &s); - if (dry_run) { - if (diff_use_color_default == -1) - diff_use_color_default = git_use_color_default; - return dry_run_commit(argc, argv, prefix, &s); + if (get_sha1("HEAD", sha1)) + current_head = NULL; + else { + current_head = lookup_commit(sha1); + if (!current_head || parse_commit(current_head)) + die(_("could not parse HEAD commit")); } - index_file = prepare_index(argc, argv, prefix, 0); + argc = parse_and_validate_options(argc, argv, builtin_commit_usage, + prefix, current_head, &s); + if (dry_run) + return dry_run_commit(argc, argv, prefix, current_head, &s); + index_file = prepare_index(argc, argv, prefix, current_head, 0); /* Set up everything for writing the commit object. This includes running hooks, writing the trees, and interacting with the user. */ - if (!prepare_to_commit(index_file, prefix, &s, &author_ident)) { + if (!prepare_to_commit(index_file, prefix, + current_head, &s, &author_ident)) { rollback_index_files(); return 1; } /* Determine parents */ reflog_msg = getenv("GIT_REFLOG_ACTION"); - if (initial_commit) { + if (!current_head) { if (!reflog_msg) reflog_msg = "commit (initial)"; } else if (amend) { struct commit_list *c; - struct commit *commit; if (!reflog_msg) reflog_msg = "commit (amend)"; - commit = lookup_commit(head_sha1); - if (!commit || parse_commit(commit)) - die(_("could not parse HEAD commit")); - - for (c = commit->parents; c; c = c->next) + for (c = current_head->parents; c; c = c->next) pptr = &commit_list_insert(c->item, pptr)->next; } else if (whence == FROM_MERGE) { struct strbuf m = STRBUF_INIT; @@ -1435,7 +1428,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) if (!reflog_msg) reflog_msg = "commit (merge)"; - pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; + pptr = &commit_list_insert(current_head, pptr)->next; fp = fopen(git_path("MERGE_HEAD"), "r"); if (fp == NULL) die_errno(_("could not open '%s' for reading"), @@ -1461,7 +1454,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) reflog_msg = (whence == FROM_CHERRY_PICK) ? "commit (cherry-pick)" : "commit"; - pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; + pptr = &commit_list_insert(current_head, pptr)->next; } /* Finally, get the commit message */ @@ -1487,7 +1480,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) exit(1); } - if (commit_tree(sb.buf, active_cache_tree->sha1, parents, commit_sha1, + if (commit_tree(sb.buf, active_cache_tree->sha1, parents, sha1, author_ident.buf)) { rollback_index_files(); die(_("failed to write commit object")); @@ -1495,7 +1488,9 @@ int cmd_commit(int argc, const char **argv, const char *prefix) strbuf_release(&author_ident); ref_lock = lock_any_ref_for_update("HEAD", - initial_commit ? NULL : head_sha1, + !current_head + ? NULL + : current_head->object.sha1, 0); nl = strchr(sb.buf, '\n'); @@ -1510,7 +1505,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) rollback_index_files(); die(_("cannot lock HEAD ref")); } - if (write_ref_sha1(ref_lock, commit_sha1, sb.buf) < 0) { + if (write_ref_sha1(ref_lock, sha1, sb.buf) < 0) { rollback_index_files(); die(_("cannot update HEAD ref")); } @@ -1532,13 +1527,14 @@ int cmd_commit(int argc, const char **argv, const char *prefix) struct notes_rewrite_cfg *cfg; cfg = init_copy_notes_for_rewrite("amend"); if (cfg) { - copy_note_for_rewrite(cfg, head_sha1, commit_sha1); + /* we are amending, so current_head is not NULL */ + copy_note_for_rewrite(cfg, current_head->object.sha1, sha1); finish_copy_notes_for_rewrite(cfg); } - run_rewrite_hook(head_sha1, commit_sha1); + run_rewrite_hook(current_head->object.sha1, sha1); } if (!quiet) - print_summary(prefix, commit_sha1); + print_summary(prefix, sha1, !current_head); return 0; } diff --git a/builtin/config.c b/builtin/config.c index 211e118..0b4ecac 100644 --- a/builtin/config.c +++ b/builtin/config.c @@ -303,24 +303,18 @@ static void get_color(const char *def_color) fputs(parsed_color, stdout); } -static int stdout_is_tty; static int get_colorbool_found; static int get_diff_color_found; +static int get_color_ui_found; static int git_get_colorbool_config(const char *var, const char *value, void *cb) { - if (!strcmp(var, get_colorbool_slot)) { - get_colorbool_found = - git_config_colorbool(var, value, stdout_is_tty); - } - if (!strcmp(var, "diff.color")) { - get_diff_color_found = - git_config_colorbool(var, value, stdout_is_tty); - } - if (!strcmp(var, "color.ui")) { - git_use_color_default = git_config_colorbool(var, value, stdout_is_tty); - return 0; - } + if (!strcmp(var, get_colorbool_slot)) + get_colorbool_found = git_config_colorbool(var, value); + else if (!strcmp(var, "diff.color")) + get_diff_color_found = git_config_colorbool(var, value); + else if (!strcmp(var, "color.ui")) + get_color_ui_found = git_config_colorbool(var, value); return 0; } @@ -334,9 +328,11 @@ static int get_colorbool(int print) if (!strcmp(get_colorbool_slot, "color.diff")) get_colorbool_found = get_diff_color_found; if (get_colorbool_found < 0) - get_colorbool_found = git_use_color_default; + get_colorbool_found = get_color_ui_found; } + get_colorbool_found = want_color(get_colorbool_found); + if (print) { printf("%s\n", get_colorbool_found ? "true" : "false"); return 0; @@ -510,9 +506,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) } else if (actions == ACTION_GET_COLORBOOL) { if (argc == 1) - stdout_is_tty = git_config_bool("command line", argv[0]); - else if (argc == 0) - stdout_is_tty = isatty(1); + color_stdout_is_tty = git_config_bool("command line", argv[0]); return get_colorbool(argc != 0); } diff --git a/builtin/describe.c b/builtin/describe.c index 66fc291..9f63067 100644 --- a/builtin/describe.c +++ b/builtin/describe.c @@ -462,8 +462,21 @@ int cmd_describe(int argc, const char **argv, const char *prefix) die(_("No names found, cannot describe anything.")); if (argc == 0) { - if (dirty && !cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1, diff_index_args, prefix)) - dirty = NULL; + if (dirty) { + static struct lock_file index_lock; + int fd; + + read_cache_preload(NULL); + refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, + NULL, NULL, NULL); + fd = hold_locked_index(&index_lock, 0); + if (0 <= fd) + update_index_if_able(&the_index, &index_lock); + + if (!cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1, + diff_index_args, prefix)) + dirty = NULL; + } describe("HEAD", 1); } else if (dirty) { die(_("--dirty is incompatible with committishes")); diff --git a/builtin/diff.c b/builtin/diff.c index 69cd5ee..1118689 100644 --- a/builtin/diff.c +++ b/builtin/diff.c @@ -277,9 +277,6 @@ int cmd_diff(int argc, const char **argv, const char *prefix) gitmodules_config(); git_config(git_diff_ui_config, NULL); - if (diff_use_color_default == -1) - diff_use_color_default = git_use_color_default; - init_revisions(&rev, prefix); /* If this is a no-index diff, just run it and exit there. */ diff --git a/builtin/fast-export.c b/builtin/fast-export.c index daf1945..9836e6b 100644 --- a/builtin/fast-export.c +++ b/builtin/fast-export.c @@ -16,6 +16,7 @@ #include "string-list.h" #include "utf8.h" #include "parse-options.h" +#include "quote.h" static const char *fast_export_usage[] = { "git fast-export [rev-list-opts]", @@ -26,6 +27,7 @@ static int progress; static enum { ABORT, VERBATIM, WARN, STRIP } signed_tag_mode = ABORT; static enum { ERROR, DROP, REWRITE } tag_of_filtered_mode = ABORT; static int fake_missing_tagger; +static int use_done_feature; static int no_data; static int full_tree; @@ -178,6 +180,15 @@ static int depth_first(const void *a_, const void *b_) return (a->status == 'R') - (b->status == 'R'); } +static void print_path(const char *path) +{ + int need_quote = quote_c_style(path, NULL, NULL, 0); + if (need_quote) + quote_c_style(path, NULL, stdout, 0); + else + printf("%s", path); +} + static void show_filemodify(struct diff_queue_struct *q, struct diff_options *options, void *data) { @@ -195,13 +206,18 @@ static void show_filemodify(struct diff_queue_struct *q, switch (q->queue[i]->status) { case DIFF_STATUS_DELETED: - printf("D %s\n", spec->path); + printf("D "); + print_path(spec->path); + putchar('\n'); break; case DIFF_STATUS_COPIED: case DIFF_STATUS_RENAMED: - printf("%c \"%s\" \"%s\"\n", q->queue[i]->status, - ospec->path, spec->path); + printf("%c ", q->queue[i]->status); + print_path(ospec->path); + putchar(' '); + print_path(spec->path); + putchar('\n'); if (!hashcmp(ospec->sha1, spec->sha1) && ospec->mode == spec->mode) @@ -216,13 +232,15 @@ static void show_filemodify(struct diff_queue_struct *q, * output the SHA-1 verbatim. */ if (no_data || S_ISGITLINK(spec->mode)) - printf("M %06o %s %s\n", spec->mode, - sha1_to_hex(spec->sha1), spec->path); + printf("M %06o %s ", spec->mode, + sha1_to_hex(spec->sha1)); else { struct object *object = lookup_object(spec->sha1); - printf("M %06o :%d %s\n", spec->mode, - get_object_mark(object), spec->path); + printf("M %06o :%d ", spec->mode, + get_object_mark(object)); } + print_path(spec->path); + putchar('\n'); break; default: @@ -627,6 +645,8 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) "Fake a tagger when tags lack one"), OPT_BOOLEAN(0, "full-tree", &full_tree, "Output full tree for each commit"), + OPT_BOOLEAN(0, "use-done-feature", &use_done_feature, + "Use the done feature to terminate the stream"), { OPTION_NEGBIT, 0, "data", &no_data, NULL, "Skip output of blob data", PARSE_OPT_NOARG | PARSE_OPT_NEGHELP, NULL, 1 }, @@ -648,6 +668,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) if (argc > 1) usage_with_options (fast_export_usage, options); + if (use_done_feature) + printf("feature done\n"); + if (import_filename) import_marks(import_filename); @@ -675,5 +698,8 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) if (export_filename) export_marks(export_filename); + if (use_done_feature) + printf("done\n"); + return 0; } diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c index 4367984..c8bf9b8 100644 --- a/builtin/fetch-pack.c +++ b/builtin/fetch-pack.c @@ -15,7 +15,9 @@ static int transfer_unpack_limit = -1; static int fetch_unpack_limit = -1; static int unpack_limit = 100; static int prefer_ofs_delta = 1; -static int no_done = 0; +static int no_done; +static int fetch_fsck_objects = -1; +static int transfer_fsck_objects = -1; static struct fetch_pack_args args = { /* .uploadpack = */ "git-upload-pack", }; @@ -185,6 +187,36 @@ static void consume_shallow_list(int fd) } } +struct write_shallow_data { + struct strbuf *out; + int use_pack_protocol; + int count; +}; + +static int write_one_shallow(const struct commit_graft *graft, void *cb_data) +{ + struct write_shallow_data *data = cb_data; + const char *hex = sha1_to_hex(graft->sha1); + data->count++; + if (data->use_pack_protocol) + packet_buf_write(data->out, "shallow %s", hex); + else { + strbuf_addstr(data->out, hex); + strbuf_addch(data->out, '\n'); + } + return 0; +} + +static int write_shallow_commits(struct strbuf *out, int use_pack_protocol) +{ + struct write_shallow_data data; + data.out = out; + data.use_pack_protocol = use_pack_protocol; + data.count = 0; + for_each_commit_graft(write_one_shallow, &data); + return data.count; +} + static enum ack_type get_ack(int fd, unsigned char *result_sha1) { static char line[1000]; @@ -395,6 +427,8 @@ static int find_common(int fd[2], unsigned char *result_sha1, case ACK_continue: { struct commit *commit = lookup_commit(result_sha1); + if (!commit) + die("invalid commit %s", sha1_to_hex(result_sha1)); if (args.stateless_rpc && ack == ACK_common && !(commit->object.flags & COMMON)) { @@ -702,6 +736,12 @@ static int get_pack(int xd[2], char **pack_lockfile) } if (*hdr_arg) *av++ = hdr_arg; + if (fetch_fsck_objects >= 0 + ? fetch_fsck_objects + : transfer_fsck_objects >= 0 + ? transfer_fsck_objects + : 0) + *av++ = "--strict"; *av++ = NULL; cmd.in = demux.out; @@ -821,6 +861,16 @@ static int fetch_pack_config(const char *var, const char *value, void *cb) return 0; } + if (!strcmp(var, "fetch.fsckobjects")) { + fetch_fsck_objects = git_config_bool(var, value); + return 0; + } + + if (!strcmp(var, "transfer.fsckobjects")) { + transfer_fsck_objects = git_config_bool(var, value); + return 0; + } + return git_default_config(var, value, cb); } diff --git a/builtin/fetch.c b/builtin/fetch.c index 93c9938..7a4e41c 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -13,6 +13,7 @@ #include "sigchain.h" #include "transport.h" #include "submodule.h" +#include "connected.h" static const char * const builtin_fetch_usage[] = { "git fetch [<options>] [<repository> [<refspec>...]]", @@ -345,6 +346,18 @@ static int update_local_ref(struct ref *ref, } } +static int iterate_ref_map(void *cb_data, unsigned char sha1[20]) +{ + struct ref **rm = cb_data; + struct ref *ref = *rm; + + if (!ref) + return -1; /* end of the list */ + *rm = ref->next; + hashcpy(sha1, ref->old_sha1); + return 0; +} + static int store_updated_refs(const char *raw_url, const char *remote_name, struct ref *ref_map) { @@ -364,6 +377,11 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, url = transport_anonymize_url(raw_url); else url = xstrdup("foreign"); + + rm = ref_map; + if (check_everything_connected(iterate_ref_map, 0, &rm)) + return error(_("%s did not send all necessary objects\n"), url); + for (rm = ref_map; rm; rm = rm->next) { struct ref *ref = NULL; @@ -457,23 +475,10 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, * We would want to bypass the object transfer altogether if * everything we are going to fetch already exists and is connected * locally. - * - * The refs we are going to fetch are in ref_map. If running - * - * $ git rev-list --objects --stdin --not --all - * - * (feeding all the refs in ref_map on its standard input) - * does not error out, that means everything reachable from the - * refs we are going to fetch exists and is connected to some of - * our existing refs. */ static int quickfetch(struct ref *ref_map) { - struct child_process revlist; - struct ref *ref; - int err; - const char *argv[] = {"rev-list", - "--quiet", "--objects", "--stdin", "--not", "--all", NULL}; + struct ref *rm = ref_map; /* * If we are deepening a shallow clone we already have these @@ -484,47 +489,7 @@ static int quickfetch(struct ref *ref_map) */ if (depth) return -1; - - if (!ref_map) - return 0; - - memset(&revlist, 0, sizeof(revlist)); - revlist.argv = argv; - revlist.git_cmd = 1; - revlist.no_stdout = 1; - revlist.no_stderr = 1; - revlist.in = -1; - - err = start_command(&revlist); - if (err) { - error(_("could not run rev-list")); - return err; - } - - /* - * If rev-list --stdin encounters an unknown commit, it terminates, - * which will cause SIGPIPE in the write loop below. - */ - sigchain_push(SIGPIPE, SIG_IGN); - - for (ref = ref_map; ref; ref = ref->next) { - if (write_in_full(revlist.in, sha1_to_hex(ref->old_sha1), 40) < 0 || - write_str_in_full(revlist.in, "\n") < 0) { - if (errno != EPIPE && errno != EINVAL) - error(_("failed write to rev-list: %s"), strerror(errno)); - err = -1; - break; - } - } - - if (close(revlist.in)) { - error(_("failed to close rev-list's stdin: %s"), strerror(errno)); - err = -1; - } - - sigchain_pop(SIGPIPE); - - return finish_command(&revlist) || err; + return check_everything_connected(iterate_ref_map, 1, &rm); } static int fetch_refs(struct transport *transport, struct ref *ref_map) @@ -941,6 +906,15 @@ 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 (recurse_submodules != RECURSE_SUBMODULES_OFF) { + if (recurse_submodules_default) { + int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default); + set_config_fetch_recurse_submodules(arg); + } + gitmodules_config(); + git_config(submodule_config, NULL); + } + if (all) { if (argc == 1) die(_("fetch --all does not take a repository argument")); @@ -976,12 +950,6 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) { const char *options[10]; int num_options = 0; - if (recurse_submodules_default) { - int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default); - set_config_fetch_recurse_submodules(arg); - } - gitmodules_config(); - git_config(submodule_config, NULL); add_options_to_argv(&num_options, options); result = fetch_populated_submodules(num_options, options, submodule_prefix, diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c index 89e75c6..d90e5d2 100644 --- a/builtin/for-each-ref.c +++ b/builtin/for-each-ref.c @@ -69,6 +69,9 @@ static struct { { "subject" }, { "body" }, { "contents" }, + { "contents:subject" }, + { "contents:body" }, + { "contents:signature" }, { "upstream" }, { "symref" }, { "flag" }, @@ -361,6 +364,18 @@ static const char *copy_email(const char *buf) return xmemdupz(email, eoemail + 1 - email); } +static char *copy_subject(const char *buf, unsigned long len) +{ + char *r = xmemdupz(buf, len); + int i; + + for (i = 0; i < len; i++) + if (r[i] == '\n') + r[i] = ' '; + + return r; +} + static void grab_date(const char *buf, struct atom_value *v, const char *atomname) { const char *eoemail = strstr(buf, "> "); @@ -458,38 +473,56 @@ static void grab_person(const char *who, struct atom_value *val, int deref, stru } } -static void find_subpos(const char *buf, unsigned long sz, const char **sub, const char **body) +static void find_subpos(const char *buf, unsigned long sz, + const char **sub, unsigned long *sublen, + const char **body, unsigned long *bodylen, + unsigned long *nonsiglen, + const char **sig, unsigned long *siglen) { - while (*buf) { - const char *eol = strchr(buf, '\n'); - if (!eol) - return; - if (eol[1] == '\n') { - buf = eol + 1; - break; /* found end of header */ - } - buf = eol + 1; + const char *eol; + /* skip past header until we hit empty line */ + while (*buf && *buf != '\n') { + eol = strchrnul(buf, '\n'); + if (*eol) + eol++; + buf = eol; } + /* skip any empty lines */ while (*buf == '\n') buf++; - if (!*buf) - return; - *sub = buf; /* first non-empty line */ - buf = strchr(buf, '\n'); - if (!buf) { - *body = ""; - return; /* no body */ + + /* parse signature first; we might not even have a subject line */ + *sig = buf + parse_signature(buf, strlen(buf)); + *siglen = strlen(*sig); + + /* subject is first non-empty line */ + *sub = buf; + /* subject goes to first empty line */ + while (buf < *sig && *buf && *buf != '\n') { + eol = strchrnul(buf, '\n'); + if (*eol) + eol++; + buf = eol; } + *sublen = buf - *sub; + /* drop trailing newline, if present */ + if (*sublen && (*sub)[*sublen - 1] == '\n') + *sublen -= 1; + + /* skip any empty lines */ while (*buf == '\n') - buf++; /* skip blank between subject and body */ + buf++; *body = buf; + *bodylen = strlen(buf); + *nonsiglen = *sig - buf; } /* See grab_values */ static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) { int i; - const char *subpos = NULL, *bodypos = NULL; + const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL; + unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0; for (i = 0; i < used_atom_cnt; i++) { const char *name = used_atom[i]; @@ -500,17 +533,27 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, struct obj name++; if (strcmp(name, "subject") && strcmp(name, "body") && - strcmp(name, "contents")) + strcmp(name, "contents") && + strcmp(name, "contents:subject") && + strcmp(name, "contents:body") && + strcmp(name, "contents:signature")) continue; if (!subpos) - find_subpos(buf, sz, &subpos, &bodypos); - if (!subpos) - return; + find_subpos(buf, sz, + &subpos, &sublen, + &bodypos, &bodylen, &nonsiglen, + &sigpos, &siglen); if (!strcmp(name, "subject")) - v->s = copy_line(subpos); + v->s = copy_subject(subpos, sublen); + else if (!strcmp(name, "contents:subject")) + v->s = copy_subject(subpos, sublen); else if (!strcmp(name, "body")) - v->s = xstrdup(bodypos); + v->s = xmemdupz(bodypos, bodylen); + else if (!strcmp(name, "contents:body")) + v->s = xmemdupz(bodypos, nonsiglen); + else if (!strcmp(name, "contents:signature")) + v->s = xmemdupz(sigpos, siglen); else if (!strcmp(name, "contents")) v->s = xstrdup(subpos); } diff --git a/builtin/fsck.c b/builtin/fsck.c index 5ae0366..df1a88b 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -231,12 +231,9 @@ static void check_unreachable_object(struct object *obj) unsigned long size; char *buf = read_sha1_file(obj->sha1, &type, &size); - if (buf) { - if (fwrite(buf, size, 1, f) != 1) - die_errno("Could not write '%s'", - filename); - free(buf); - } + if (buf && fwrite(buf, 1, size, f) != size) + die_errno("Could not write '%s'", filename); + free(buf); } else fprintf(f, "%s\n", sha1_to_hex(obj->sha1)); if (fclose(f)) diff --git a/builtin/grep.c b/builtin/grep.c index 871afaa..a286692 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -93,8 +93,7 @@ static pthread_cond_t cond_write; /* Signalled when we are finished with everything. */ static pthread_cond_t cond_result; -static int print_hunk_marks_between_files; -static int printed_something; +static int skip_first_line; static void add_work(enum work_type type, char *name, void *id) { @@ -160,10 +159,20 @@ static void work_done(struct work_item *w) todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { w = &todo[todo_done]; if (w->out.len) { - if (print_hunk_marks_between_files && printed_something) - write_or_die(1, "--\n", 3); - write_or_die(1, w->out.buf, w->out.len); - printed_something = 1; + const char *p = w->out.buf; + size_t len = w->out.len; + + /* Skip the leading hunk mark of the first file. */ + if (skip_first_line) { + while (len) { + len--; + if (*p++ == '\n') + break; + } + skip_first_line = 0; + } + + write_or_die(1, p, len); } free(w->name); free(w->identifier); @@ -316,7 +325,7 @@ static int grep_config(const char *var, const char *value, void *cb) } if (!strcmp(var, "color.grep")) - opt->color = git_config_colorbool(var, value, -1); + opt->color = git_config_colorbool(var, value); else if (!strcmp(var, "color.grep.context")) color = opt->color_context; else if (!strcmp(var, "color.grep.filename")) @@ -589,8 +598,11 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, struct strbuf base; int hit, len; + read_sha1_lock(); data = read_object_with_reference(obj->sha1, tree_type, &size, NULL); + read_sha1_unlock(); + if (!data) die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1)); @@ -813,18 +825,24 @@ int cmd_grep(int argc, const char **argv, const char *prefix) OPT_BOOLEAN('c', "count", &opt.count, "show the number of matches instead of matching lines"), OPT__COLOR(&opt.color, "highlight matches"), + OPT_BOOLEAN(0, "break", &opt.file_break, + "print empty line between matches from different files"), + OPT_BOOLEAN(0, "heading", &opt.heading, + "show filename only once above matches from same file"), OPT_GROUP(""), - OPT_CALLBACK('C', NULL, &opt, "n", + OPT_CALLBACK('C', "context", &opt, "n", "show <n> context lines before and after matches", context_callback), - OPT_INTEGER('B', NULL, &opt.pre_context, + OPT_INTEGER('B', "before-context", &opt.pre_context, "show <n> context lines before matches"), - OPT_INTEGER('A', NULL, &opt.post_context, + OPT_INTEGER('A', "after-context", &opt.post_context, "show <n> context lines after matches"), OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM", context_callback), OPT_BOOLEAN('p', "show-function", &opt.funcname, "show a line with the function name before matches"), + OPT_BOOLEAN('W', "function-context", &opt.funcbody, + "show the surrounding function"), OPT_GROUP(""), OPT_CALLBACK('f', NULL, &opt, "file", "read patterns from file", file_callback), @@ -883,8 +901,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix) strcpy(opt.color_sep, GIT_COLOR_CYAN); opt.color = -1; git_config(grep_config, &opt); - if (opt.color == -1) - opt.color = git_use_color_default; /* * If there is no -- then the paths must exist in the working @@ -967,8 +983,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix) use_threads = 0; if (use_threads) { - if (opt.pre_context || opt.post_context) - print_hunk_marks_between_files = 1; + if (opt.pre_context || opt.post_context || opt.file_break || + opt.funcbody) + skip_first_line = 1; start_threads(&opt); } #else diff --git a/builtin/index-pack.c b/builtin/index-pack.c index e40451f..0945adb 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -11,7 +11,7 @@ #include "exec_cmd.h" static const char index_pack_usage[] = -"git index-pack [-v] [-o <index-file>] [ --keep | --keep=<msg> ] [--strict] (<pack-file> | --stdin [--fix-thin] [<pack-file>])"; +"git index-pack [-v] [-o <index-file>] [--keep | --keep=<msg>] [--verify] [--strict] (<pack-file> | --stdin [--fix-thin] [<pack-file>])"; struct object_entry { struct pack_idx_entry idx; @@ -19,6 +19,8 @@ struct object_entry { unsigned int hdr_size; enum object_type type; enum object_type real_type; + unsigned delta_depth; + int base_object_no; }; union delta_base { @@ -66,6 +68,7 @@ static struct progress *progress; static unsigned char input_buffer[4096]; static unsigned int input_offset, input_len; static off_t consumed_bytes; +static unsigned deepest_delta; static git_SHA_CTX input_ctx; static uint32_t input_crc32; static int input_fd, output_fd, pack_fd; @@ -265,7 +268,7 @@ static void unlink_base_data(struct base_data *c) static void *unpack_entry_data(unsigned long offset, unsigned long size) { int status; - z_stream stream; + git_zstream stream; void *buf = xmalloc(size); memset(&stream, 0, sizeof(stream)); @@ -355,7 +358,7 @@ static void *get_data_from_pack(struct object_entry *obj) off_t from = obj[0].idx.offset + obj[0].hdr_size; unsigned long len = obj[1].idx.offset - from; unsigned char *data, *inbuf; - z_stream stream; + git_zstream stream; int status; data = xmalloc(obj->size); @@ -389,7 +392,18 @@ static void *get_data_from_pack(struct object_entry *obj) return data; } -static int find_delta(const union delta_base *base) +static int compare_delta_bases(const union delta_base *base1, + const union delta_base *base2, + enum object_type type1, + enum object_type type2) +{ + int cmp = type1 - type2; + if (cmp) + return cmp; + return memcmp(base1, base2, UNION_BASE_SZ); +} + +static int find_delta(const union delta_base *base, enum object_type type) { int first = 0, last = nr_deltas; @@ -398,7 +412,8 @@ static int find_delta(const union delta_base *base) struct delta_entry *delta = &deltas[next]; int cmp; - cmp = memcmp(base, &delta->base, UNION_BASE_SZ); + cmp = compare_delta_bases(base, &delta->base, + type, objects[delta->obj_no].type); if (!cmp) return next; if (cmp < 0) { @@ -411,9 +426,10 @@ static int find_delta(const union delta_base *base) } static void find_delta_children(const union delta_base *base, - int *first_index, int *last_index) + int *first_index, int *last_index, + enum object_type type) { - int first = find_delta(base); + int first = find_delta(base, type); int last = first; int end = nr_deltas - 1; @@ -483,12 +499,17 @@ static void sha1_object(const void *data, unsigned long size, } } +static int is_delta_type(enum object_type type) +{ + return (type == OBJ_REF_DELTA || type == OBJ_OFS_DELTA); +} + static void *get_base_data(struct base_data *c) { if (!c->data) { struct object_entry *obj = c->obj; - if (obj->type == OBJ_REF_DELTA || obj->type == OBJ_OFS_DELTA) { + if (is_delta_type(obj->type)) { void *base = get_base_data(c->base); void *raw = get_data_from_pack(obj); c->data = patch_delta( @@ -515,6 +536,10 @@ static void resolve_delta(struct object_entry *delta_obj, void *base_data, *delta_data; delta_obj->real_type = base->obj->real_type; + delta_obj->delta_depth = base->obj->delta_depth + 1; + if (deepest_delta < delta_obj->delta_depth) + deepest_delta = delta_obj->delta_depth; + delta_obj->base_object_no = base->obj - objects; delta_data = get_data_from_pack(delta_obj); base_data = get_base_data(base); result->obj = delta_obj; @@ -541,11 +566,13 @@ static void find_unresolved_deltas(struct base_data *base, union delta_base base_spec; hashcpy(base_spec.sha1, base->obj->idx.sha1); - find_delta_children(&base_spec, &ref_first, &ref_last); + find_delta_children(&base_spec, + &ref_first, &ref_last, OBJ_REF_DELTA); memset(&base_spec, 0, sizeof(base_spec)); base_spec.offset = base->obj->idx.offset; - find_delta_children(&base_spec, &ofs_first, &ofs_last); + find_delta_children(&base_spec, + &ofs_first, &ofs_last, OBJ_OFS_DELTA); } if (ref_last == -1 && ofs_last == -1) { @@ -557,24 +584,24 @@ static void find_unresolved_deltas(struct base_data *base, for (i = ref_first; i <= ref_last; i++) { struct object_entry *child = objects + deltas[i].obj_no; - if (child->real_type == OBJ_REF_DELTA) { - struct base_data result; - resolve_delta(child, base, &result); - if (i == ref_last && ofs_last == -1) - free_base_data(base); - find_unresolved_deltas(&result, base); - } + struct base_data result; + + assert(child->real_type == OBJ_REF_DELTA); + resolve_delta(child, base, &result); + if (i == ref_last && ofs_last == -1) + free_base_data(base); + find_unresolved_deltas(&result, base); } for (i = ofs_first; i <= ofs_last; i++) { struct object_entry *child = objects + deltas[i].obj_no; - if (child->real_type == OBJ_OFS_DELTA) { - struct base_data result; - resolve_delta(child, base, &result); - if (i == ofs_last) - free_base_data(base); - find_unresolved_deltas(&result, base); - } + struct base_data result; + + assert(child->real_type == OBJ_OFS_DELTA); + resolve_delta(child, base, &result); + if (i == ofs_last) + free_base_data(base); + find_unresolved_deltas(&result, base); } unlink_base_data(base); @@ -584,7 +611,11 @@ static int compare_delta_entry(const void *a, const void *b) { const struct delta_entry *delta_a = a; const struct delta_entry *delta_b = b; - return memcmp(&delta_a->base, &delta_b->base, UNION_BASE_SZ); + + /* group by type (ref vs ofs) and then by value (sha-1 or offset) */ + return compare_delta_bases(&delta_a->base, &delta_b->base, + objects[delta_a->obj_no].type, + objects[delta_b->obj_no].type); } /* Parse all objects and return the pack content SHA1 hash */ @@ -608,7 +639,7 @@ static void parse_pack_objects(unsigned char *sha1) struct object_entry *obj = &objects[i]; void *data = unpack_raw_entry(obj, &delta->base); obj->real_type = obj->type; - if (obj->type == OBJ_REF_DELTA || obj->type == OBJ_OFS_DELTA) { + if (is_delta_type(obj->type)) { nr_deltas++; delta->obj_no = i; delta++; @@ -655,7 +686,7 @@ static void parse_pack_objects(unsigned char *sha1) struct object_entry *obj = &objects[i]; struct base_data base_obj; - if (obj->type == OBJ_REF_DELTA || obj->type == OBJ_OFS_DELTA) + if (is_delta_type(obj->type)) continue; base_obj.obj = obj; base_obj.data = NULL; @@ -666,26 +697,26 @@ static void parse_pack_objects(unsigned char *sha1) static int write_compressed(struct sha1file *f, void *in, unsigned int size) { - z_stream stream; + git_zstream stream; int status; unsigned char outbuf[4096]; memset(&stream, 0, sizeof(stream)); - deflateInit(&stream, zlib_compression_level); + git_deflate_init(&stream, zlib_compression_level); stream.next_in = in; stream.avail_in = size; do { stream.next_out = outbuf; stream.avail_out = sizeof(outbuf); - status = deflate(&stream, Z_FINISH); + status = git_deflate(&stream, Z_FINISH); sha1write(f, outbuf, sizeof(outbuf) - stream.avail_out); } while (status == Z_OK); if (status != Z_STREAM_END) die("unable to deflate appended object (%d)", status); size = stream.total_out; - deflateEnd(&stream); + git_deflate_end(&stream); return size; } @@ -859,24 +890,137 @@ static void final(const char *final_pack_name, const char *curr_pack_name, static int git_index_pack_config(const char *k, const char *v, void *cb) { + struct pack_idx_option *opts = cb; + if (!strcmp(k, "pack.indexversion")) { - pack_idx_default_version = git_config_int(k, v); - if (pack_idx_default_version > 2) - die("bad pack.indexversion=%"PRIu32, - pack_idx_default_version); + opts->version = git_config_int(k, v); + if (opts->version > 2) + die("bad pack.indexversion=%"PRIu32, opts->version); return 0; } return git_default_config(k, v, cb); } +static int cmp_uint32(const void *a_, const void *b_) +{ + uint32_t a = *((uint32_t *)a_); + uint32_t b = *((uint32_t *)b_); + + return (a < b) ? -1 : (a != b); +} + +static void read_v2_anomalous_offsets(struct packed_git *p, + struct pack_idx_option *opts) +{ + const uint32_t *idx1, *idx2; + uint32_t i; + + /* The address of the 4-byte offset table */ + idx1 = (((const uint32_t *)p->index_data) + + 2 /* 8-byte header */ + + 256 /* fan out */ + + 5 * p->num_objects /* 20-byte SHA-1 table */ + + p->num_objects /* CRC32 table */ + ); + + /* The address of the 8-byte offset table */ + idx2 = idx1 + p->num_objects; + + for (i = 0; i < p->num_objects; i++) { + uint32_t off = ntohl(idx1[i]); + if (!(off & 0x80000000)) + continue; + off = off & 0x7fffffff; + if (idx2[off * 2]) + continue; + /* + * The real offset is ntohl(idx2[off * 2]) in high 4 + * octets, and ntohl(idx2[off * 2 + 1]) in low 4 + * octets. But idx2[off * 2] is Zero!!! + */ + ALLOC_GROW(opts->anomaly, opts->anomaly_nr + 1, opts->anomaly_alloc); + 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); +} + +static void read_idx_option(struct pack_idx_option *opts, const char *pack_name) +{ + struct packed_git *p = add_packed_git(pack_name, strlen(pack_name), 1); + + if (!p) + die("Cannot open existing pack file '%s'", pack_name); + if (open_pack_index(p)) + die("Cannot open existing pack idx file for '%s'", pack_name); + + /* Read the attributes from the existing idx file */ + opts->version = p->index_version; + + if (opts->version == 2) + read_v2_anomalous_offsets(p, opts); + + /* + * Get rid of the idx file as we do not need it anymore. + * NEEDSWORK: extract this bit from free_pack_by_name() in + * sha1_file.c, perhaps? It shouldn't matter very much as we + * know we haven't installed this pack (hence we never have + * read anything from it). + */ + close_pack_index(p); + free(p); +} + +static void show_pack_info(int stat_only) +{ + int i, baseobjects = nr_objects - nr_deltas; + unsigned long *chain_histogram = NULL; + + if (deepest_delta) + chain_histogram = xcalloc(deepest_delta, sizeof(unsigned long)); + + for (i = 0; i < nr_objects; i++) { + struct object_entry *obj = &objects[i]; + + if (is_delta_type(obj->type)) + chain_histogram[obj->delta_depth - 1]++; + if (stat_only) + continue; + printf("%s %-6s %lu %lu %"PRIuMAX, + sha1_to_hex(obj->idx.sha1), + typename(obj->real_type), obj->size, + (unsigned long)(obj[1].idx.offset - obj->idx.offset), + (uintmax_t)obj->idx.offset); + if (is_delta_type(obj->type)) { + struct object_entry *bobj = &objects[obj->base_object_no]; + printf(" %u %s", obj->delta_depth, sha1_to_hex(bobj->idx.sha1)); + } + putchar('\n'); + } + + if (baseobjects) + printf("non delta: %d object%s\n", + baseobjects, baseobjects > 1 ? "s" : ""); + for (i = 0; i < deepest_delta; i++) { + if (!chain_histogram[i]) + continue; + printf("chain length = %d: %lu object%s\n", + i + 1, + chain_histogram[i], + chain_histogram[i] > 1 ? "s" : ""); + } +} + int cmd_index_pack(int argc, const char **argv, const char *prefix) { - int i, fix_thin_pack = 0; + int i, fix_thin_pack = 0, verify = 0, stat_only = 0, stat = 0; const char *curr_pack, *curr_index; const char *index_name = NULL, *pack_name = NULL; const char *keep_name = NULL, *keep_msg = NULL; char *index_name_buf = NULL, *keep_name_buf = NULL; struct pack_idx_entry **idx_objects; + struct pack_idx_option opts; unsigned char pack_sha1[20]; if (argc == 2 && !strcmp(argv[1], "-h")) @@ -884,7 +1028,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) read_replace_refs = 0; - git_config(git_index_pack_config, NULL); + reset_pack_idx_option(&opts); + git_config(git_index_pack_config, &opts); if (prefix && chdir(prefix)) die("Cannot come back to cwd"); @@ -898,6 +1043,15 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) fix_thin_pack = 1; } else if (!strcmp(arg, "--strict")) { strict = 1; + } else if (!strcmp(arg, "--verify")) { + verify = 1; + } else if (!strcmp(arg, "--verify-stat")) { + verify = 1; + stat = 1; + } else if (!strcmp(arg, "--verify-stat-only")) { + verify = 1; + stat = 1; + stat_only = 1; } else if (!strcmp(arg, "--keep")) { keep_msg = ""; } else if (!prefixcmp(arg, "--keep=")) { @@ -923,12 +1077,12 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) index_name = argv[++i]; } else if (!prefixcmp(arg, "--index-version=")) { char *c; - pack_idx_default_version = strtoul(arg + 16, &c, 10); - if (pack_idx_default_version > 2) + opts.version = strtoul(arg + 16, &c, 10); + if (opts.version > 2) die("bad %s", arg); if (*c == ',') - pack_idx_off32_limit = strtoul(c+1, &c, 0); - if (*c || pack_idx_off32_limit & 0x80000000) + opts.off32_limit = strtoul(c+1, &c, 0); + if (*c || opts.off32_limit & 0x80000000) die("bad %s", arg); } else usage(index_pack_usage); @@ -964,11 +1118,17 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) strcpy(keep_name_buf + len - 5, ".keep"); keep_name = keep_name_buf; } + if (verify) { + if (!index_name) + die("--verify with no packfile name given"); + read_idx_option(&opts, index_name); + opts.flags |= WRITE_IDX_VERIFY; + } curr_pack = open_pack_file(pack_name); parse_pack_header(); - objects = xmalloc((nr_objects + 1) * sizeof(struct object_entry)); - deltas = xmalloc(nr_objects * sizeof(struct delta_entry)); + objects = xcalloc(nr_objects + 1, sizeof(struct object_entry)); + deltas = xcalloc(nr_objects, sizeof(struct delta_entry)); parse_pack_objects(pack_sha1); if (nr_deltas == nr_resolved_deltas) { stop_progress(&progress); @@ -1008,16 +1168,22 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) if (strict) check_objects(); + if (stat) + show_pack_info(stat_only); + idx_objects = xmalloc((nr_objects) * sizeof(struct pack_idx_entry *)); for (i = 0; i < nr_objects; i++) idx_objects[i] = &objects[i].idx; - curr_index = write_idx_file(index_name, idx_objects, nr_objects, pack_sha1); + curr_index = write_idx_file(index_name, idx_objects, nr_objects, &opts, pack_sha1); free(idx_objects); - final(pack_name, curr_pack, - index_name, curr_index, - keep_name, keep_msg, - pack_sha1); + if (!verify) + final(pack_name, curr_pack, + index_name, curr_index, + keep_name, keep_msg, + pack_sha1); + else + close(input_fd); free(objects); free(index_name_buf); free(keep_name_buf); diff --git a/builtin/init-db.c b/builtin/init-db.c index 025aa47..d07554c 100644 --- a/builtin/init-db.c +++ b/builtin/init-db.c @@ -347,7 +347,7 @@ static void separate_git_dir(const char *git_dir) const char *src; if (S_ISREG(st.st_mode)) - src = read_gitfile_gently(git_link); + src = read_gitfile(git_link); else if (S_ISDIR(st.st_mode)) src = git_link; else diff --git a/builtin/log.c b/builtin/log.c index 5c2af59..f5d4930 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -359,9 +359,6 @@ int cmd_whatchanged(int argc, const char **argv, const char *prefix) git_config(git_log_config, NULL); - if (diff_use_color_default == -1) - diff_use_color_default = git_use_color_default; - init_revisions(&rev, prefix); rev.diff = 1; rev.simplify_history = 0; @@ -446,9 +443,6 @@ int cmd_show(int argc, const char **argv, const char *prefix) git_config(git_log_config, NULL); - if (diff_use_color_default == -1) - diff_use_color_default = git_use_color_default; - init_pathspec(&match_all, NULL); init_revisions(&rev, prefix); rev.diff = 1; @@ -524,9 +518,6 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix) git_config(git_log_config, NULL); - if (diff_use_color_default == -1) - diff_use_color_default = git_use_color_default; - init_revisions(&rev, prefix); init_reflog_walk(&rev.reflog_info); rev.verbose_header = 1; @@ -549,9 +540,6 @@ int cmd_log(int argc, const char **argv, const char *prefix) git_config(git_log_config, NULL); - if (diff_use_color_default == -1) - diff_use_color_default = git_use_color_default; - init_revisions(&rev, prefix); rev.always_show_header = 1; memset(&opt, 0, sizeof(opt)); @@ -620,7 +608,8 @@ static int git_format_config(const char *var, const char *value, void *cb) string_list_append(&extra_cc, value); return 0; } - if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) { + if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff") || + !strcmp(var, "color.ui")) { return 0; } if (!strcmp(var, "format.numbered")) { diff --git a/builtin/ls-files.c b/builtin/ls-files.c index 1570123..e8a800d 100644 --- a/builtin/ls-files.c +++ b/builtin/ls-files.c @@ -276,41 +276,6 @@ static void prune_cache(const char *prefix) active_nr = last; } -static const char *pathspec_prefix(const char *prefix) -{ - const char **p, *n, *prev; - unsigned long max; - - if (!pathspec) { - max_prefix_len = prefix ? strlen(prefix) : 0; - return prefix; - } - - prev = NULL; - max = PATH_MAX; - for (p = pathspec; (n = *p) != NULL; p++) { - int i, len = 0; - for (i = 0; i < max; i++) { - char c = n[i]; - if (prev && prev[i] != c) - break; - if (!c || c == '*' || c == '?') - break; - if (c == '/') - len = i+1; - } - prev = n; - if (len < max) { - max = len; - if (!max) - break; - } - } - - max_prefix_len = max; - return max ? xmemdupz(prev, max) : NULL; -} - static void strip_trailing_slash_from_submodules(void) { const char **p; @@ -388,11 +353,13 @@ void overlay_tree_on_cache(const char *tree_name, const char *prefix) } } -int report_path_error(const char *ps_matched, const char **pathspec, int prefix_len) +int report_path_error(const char *ps_matched, const char **pathspec, const char *prefix) { /* * Make sure all pathspec matched; otherwise it is an error. */ + struct strbuf sb = STRBUF_INIT; + const char *name; int num, errors = 0; for (num = 0; pathspec[num]; num++) { int other, found_dup; @@ -417,10 +384,12 @@ int report_path_error(const char *ps_matched, const char **pathspec, int prefix_ if (found_dup) continue; + name = quote_path_relative(pathspec[num], -1, &sb, prefix); error("pathspec '%s' did not match any file(s) known to git.", - pathspec[num] + prefix_len); + name); errors++; } + strbuf_release(&sb); return errors; } @@ -576,7 +545,8 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) strip_trailing_slash_from_submodules(); /* Find common prefix for all pathspec's */ - max_prefix = pathspec_prefix(prefix); + max_prefix = pathspec_prefix(prefix, pathspec); + max_prefix_len = max_prefix ? strlen(max_prefix) : 0; /* Treat unmatching pathspec elements as errors */ if (pathspec && error_unmatch) { @@ -611,7 +581,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) if (ps_matched) { int bad; - bad = report_path_error(ps_matched, pathspec, prefix_len); + bad = report_path_error(ps_matched, pathspec, prefix); if (bad) fprintf(stderr, "Did you forget to 'git add'?\n"); diff --git a/builtin/ls-tree.c b/builtin/ls-tree.c index f08c5b0..6b666e1 100644 --- a/builtin/ls-tree.c +++ b/builtin/ls-tree.c @@ -173,7 +173,5 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) tree = parse_tree_indirect(sha1); if (!tree) die("not a tree object"); - read_tree_recursive(tree, "", 0, 0, &pathspec, show_tree, NULL); - - return 0; + return !!read_tree_recursive(tree, "", 0, 0, &pathspec, show_tree, NULL); } diff --git a/builtin/merge.c b/builtin/merge.c index 325891e..ee56974 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -390,8 +390,6 @@ static void finish(const unsigned char *new_head, const char *msg) opts.output_format |= DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT; opts.detect_rename = DIFF_DETECT_RENAME; - if (diff_use_color_default > 0) - DIFF_OPT_SET(&opts, COLOR_DIFF); if (diff_setup_done(&opts) < 0) die(_("diff_setup_done failed")); diff_tree_sha1(head, new_head, "", &opts); @@ -405,6 +403,16 @@ static void finish(const unsigned char *new_head, const char *msg) strbuf_release(&reflog_message); } +static struct object *want_commit(const char *name) +{ + struct object *obj; + unsigned char sha1[20]; + if (get_sha1(name, sha1)) + return NULL; + obj = parse_object(sha1); + return peel_to_type(name, 0, obj, OBJ_COMMIT); +} + /* Get the name for the merge commit's message. */ static void merge_name(const char *remote, struct strbuf *msg) { @@ -420,7 +428,7 @@ static void merge_name(const char *remote, struct strbuf *msg) remote = bname.buf; memset(branch_head, 0, sizeof(branch_head)); - remote_head = peel_to_type(remote, 0, NULL, OBJ_COMMIT); + remote_head = want_commit(remote); if (!remote_head) die(_("'%s' does not point to a commit"), remote); @@ -903,7 +911,7 @@ static int finish_automerge(struct commit_list *common, strbuf_addch(&merge_msg, '\n'); run_prepare_commit_msg(); commit_tree(merge_msg.buf, result_tree, parents, result_commit, NULL); - strbuf_addf(&buf, "Merge made by %s.", wt_strategy); + strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy); finish(result_commit, buf.buf); strbuf_release(&buf); drop_save(); @@ -1033,10 +1041,6 @@ int cmd_merge(int argc, const char **argv, const char *prefix) git_config(git_merge_config, NULL); - /* for color.ui */ - if (diff_use_color_default == -1) - diff_use_color_default = git_use_color_default; - if (branch_mergeoptions) parse_branch_merge_options(branch_mergeoptions); argc = parse_options(argc, argv, prefix, builtin_merge_options, @@ -1130,7 +1134,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (!allow_fast_forward) die(_("Non-fast-forward commit does not make sense into " "an empty head")); - remote_head = peel_to_type(argv[0], 0, NULL, OBJ_COMMIT); + remote_head = want_commit(argv[0]); if (!remote_head) die(_("%s - not something we can merge"), argv[0]); read_empty(remote_head->sha1, 0); @@ -1176,7 +1180,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) struct object *o; struct commit *commit; - o = peel_to_type(argv[i], 0, NULL, OBJ_COMMIT); + o = want_commit(argv[i]); if (!o) die(_("%s - not something we can merge"), argv[i]); commit = lookup_commit(o->sha1); @@ -1244,8 +1248,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (have_message) strbuf_addstr(&msg, " (no commit created; -m option ignored)"); - o = peel_to_type(sha1_to_hex(remoteheads->item->object.sha1), - 0, NULL, OBJ_COMMIT); + o = want_commit(sha1_to_hex(remoteheads->item->object.sha1)); if (!o) return 1; diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index f402a84..2b18de5 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -51,6 +51,8 @@ struct object_entry { * objects against. */ unsigned char no_try_delta; + unsigned char tagged; /* near the very tip of refs */ + unsigned char filled; /* assigned write-order */ }; /* @@ -70,6 +72,7 @@ static int local; static int incremental; static int ignore_packed_keep; static int allow_ofs_delta; +static struct pack_idx_option pack_idx_opts; static const char *base_name; static int progress = 1; static int window = 10; @@ -95,6 +98,7 @@ static unsigned long window_memory_limit = 0; */ static int *object_ix; static int object_ix_hashsz; +static struct object_entry *locate_object_entry(const unsigned char *sha1); /* * stats @@ -126,13 +130,13 @@ static void *get_delta(struct object_entry *entry) static unsigned long do_compress(void **pptr, unsigned long size) { - z_stream stream; + git_zstream stream; void *in, *out; unsigned long maxsize; memset(&stream, 0, sizeof(stream)); - deflateInit(&stream, pack_compression_level); - maxsize = deflateBound(&stream, size); + git_deflate_init(&stream, pack_compression_level); + maxsize = git_deflate_bound(&stream, size); in = *pptr; out = xmalloc(maxsize); @@ -142,9 +146,9 @@ static unsigned long do_compress(void **pptr, unsigned long size) stream.avail_in = size; stream.next_out = out; stream.avail_out = maxsize; - while (deflate(&stream, Z_FINISH) == Z_OK) + while (git_deflate(&stream, Z_FINISH) == Z_OK) ; /* nothing */ - deflateEnd(&stream); + git_deflate_end(&stream); free(in); return stream.total_out; @@ -160,7 +164,7 @@ static int check_pack_inflate(struct packed_git *p, off_t len, unsigned long expect) { - z_stream stream; + git_zstream stream; unsigned char fakebuf[4096], *in; int st; @@ -187,18 +191,19 @@ static void copy_pack_data(struct sha1file *f, off_t len) { unsigned char *in; - unsigned int avail; + unsigned long avail; while (len) { in = use_pack(p, w_curs, offset, &avail); if (avail > len) - avail = (unsigned int)len; + avail = (unsigned long)len; sha1write(f, in, avail); offset += avail; len -= avail; } } +/* Return 0 if we will bust the pack-size limit */ static unsigned long write_object(struct sha1file *f, struct object_entry *entry, off_t write_offset) @@ -433,6 +438,134 @@ static int write_one(struct sha1file *f, return 1; } +static int mark_tagged(const char *path, const unsigned char *sha1, int flag, + void *cb_data) +{ + unsigned char peeled[20]; + struct object_entry *entry = locate_object_entry(sha1); + + if (entry) + entry->tagged = 1; + if (!peel_ref(path, peeled)) { + entry = locate_object_entry(peeled); + if (entry) + entry->tagged = 1; + } + return 0; +} + +static void add_to_write_order(struct object_entry **wo, + int *endp, + struct object_entry *e) +{ + if (e->filled) + return; + wo[(*endp)++] = e; + e->filled = 1; +} + +static void add_descendants_to_write_order(struct object_entry **wo, + int *endp, + struct object_entry *e) +{ + struct object_entry *child; + + for (child = e->delta_child; child; child = child->delta_sibling) + add_to_write_order(wo, endp, child); + for (child = e->delta_child; child; child = child->delta_sibling) + add_descendants_to_write_order(wo, endp, child); +} + +static void add_family_to_write_order(struct object_entry **wo, + int *endp, + struct object_entry *e) +{ + struct object_entry *root; + + for (root = e; root->delta; root = root->delta) + ; /* nothing */ + add_to_write_order(wo, endp, root); + add_descendants_to_write_order(wo, endp, root); +} + +static struct object_entry **compute_write_order(void) +{ + int i, wo_end; + + struct object_entry **wo = xmalloc(nr_objects * sizeof(*wo)); + + for (i = 0; i < nr_objects; i++) { + objects[i].tagged = 0; + objects[i].filled = 0; + objects[i].delta_child = NULL; + objects[i].delta_sibling = NULL; + } + + /* + * Fully connect delta_child/delta_sibling network. + * Make sure delta_sibling is sorted in the original + * recency order. + */ + for (i = nr_objects - 1; 0 <= i; i--) { + struct object_entry *e = &objects[i]; + if (!e->delta) + continue; + /* Mark me as the first child */ + e->delta_sibling = e->delta->delta_child; + e->delta->delta_child = e; + } + + /* + * Mark objects that are at the tip of tags. + */ + for_each_tag_ref(mark_tagged, NULL); + + /* + * Give the commits in the original recency order until + * we see a tagged tip. + */ + for (i = wo_end = 0; i < nr_objects; i++) { + if (objects[i].tagged) + break; + add_to_write_order(wo, &wo_end, &objects[i]); + } + + /* + * Then fill all the tagged tips. + */ + for (; i < nr_objects; i++) { + if (objects[i].tagged) + add_to_write_order(wo, &wo_end, &objects[i]); + } + + /* + * And then all remaining commits and tags. + */ + for (i = 0; i < nr_objects; i++) { + if (objects[i].type != OBJ_COMMIT && + objects[i].type != OBJ_TAG) + continue; + add_to_write_order(wo, &wo_end, &objects[i]); + } + + /* + * And then all the trees. + */ + for (i = 0; i < nr_objects; i++) { + if (objects[i].type != OBJ_TREE) + continue; + add_to_write_order(wo, &wo_end, &objects[i]); + } + + /* + * Finally all the rest in really tight order + */ + for (i = 0; i < nr_objects; i++) + add_family_to_write_order(wo, &wo_end, &objects[i]); + + return wo; +} + static void write_pack_file(void) { uint32_t i = 0, j; @@ -441,10 +574,12 @@ static void write_pack_file(void) struct pack_header hdr; uint32_t nr_remaining = nr_result; time_t last_mtime = 0; + struct object_entry **write_order; if (progress > pack_to_stdout) progress_state = start_progress("Writing objects", nr_result); written_list = xmalloc(nr_objects * sizeof(*written_list)); + write_order = compute_write_order(); do { unsigned char sha1[20]; @@ -468,7 +603,8 @@ static void write_pack_file(void) offset = sizeof(hdr); nr_written = 0; for (; i < nr_objects; i++) { - if (!write_one(f, objects + i, &offset)) + struct object_entry *e = write_order[i]; + if (!write_one(f, e, &offset)) break; display_progress(progress_state, written); } @@ -493,8 +629,8 @@ static void write_pack_file(void) const char *idx_tmp_name; char tmpname[PATH_MAX]; - idx_tmp_name = write_idx_file(NULL, written_list, - nr_written, sha1); + idx_tmp_name = write_idx_file(NULL, written_list, nr_written, + &pack_idx_opts, sha1); snprintf(tmpname, sizeof(tmpname), "%s-%s.pack", base_name, sha1_to_hex(sha1)); @@ -545,6 +681,7 @@ static void write_pack_file(void) } while (nr_remaining && i < nr_objects); free(written_list); + free(write_order); stop_progress(&progress_state); if (written != nr_result) die("wrote %"PRIu32" objects while expecting %"PRIu32, @@ -633,7 +770,7 @@ static int no_try_delta(const char *path) struct git_attr_check check[1]; setup_delta_attr_check(check); - if (git_checkattr(path, ARRAY_SIZE(check), check)) + if (git_check_attr(path, ARRAY_SIZE(check), check)) return 0; if (ATTR_FALSE(check->value)) return 1; @@ -994,7 +1131,7 @@ static void check_object(struct object_entry *entry) const unsigned char *base_ref = NULL; struct object_entry *base_entry; unsigned long used, used_0; - unsigned int avail; + unsigned long avail; off_t ofs; unsigned char *buf, c; @@ -1884,10 +2021,10 @@ static int git_pack_config(const char *k, const char *v, void *cb) return 0; } if (!strcmp(k, "pack.indexversion")) { - pack_idx_default_version = git_config_int(k, v); - if (pack_idx_default_version > 2) + pack_idx_opts.version = git_config_int(k, v); + if (pack_idx_opts.version > 2) die("bad pack.indexversion=%"PRIu32, - pack_idx_default_version); + pack_idx_opts.version); return 0; } if (!strcmp(k, "pack.packsizelimit")) { @@ -1936,7 +2073,9 @@ static void show_commit(struct commit *commit, void *data) commit->object.flags |= OBJECT_ADDED; } -static void show_object(struct object *obj, const struct name_path *path, const char *last) +static void show_object(struct object *obj, + const struct name_path *path, const char *last, + void *data) { char *name = path_name(path, last); @@ -2134,6 +2273,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) rp_av[1] = "--objects"; /* --thin will make it --objects-edge */ rp_ac = 2; + 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; @@ -2278,12 +2418,12 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) } if (!prefixcmp(arg, "--index-version=")) { char *c; - pack_idx_default_version = strtoul(arg + 16, &c, 10); - if (pack_idx_default_version > 2) + pack_idx_opts.version = strtoul(arg + 16, &c, 10); + if (pack_idx_opts.version > 2) die("bad %s", arg); if (*c == ',') - pack_idx_off32_limit = strtoul(c+1, &c, 0); - if (*c || pack_idx_off32_limit & 0x80000000) + pack_idx_opts.off32_limit = strtoul(c+1, &c, 0); + if (*c || pack_idx_opts.off32_limit & 0x80000000) die("bad %s", arg); continue; } diff --git a/builtin/patch-id.c b/builtin/patch-id.c index f821eb3..3cfe02d 100644 --- a/builtin/patch-id.c +++ b/builtin/patch-id.c @@ -56,13 +56,13 @@ static int scan_hunk_header(const char *p, int *p_before, int *p_after) return 1; } -static int get_one_patchid(unsigned char *next_sha1, git_SHA_CTX *ctx) +static int get_one_patchid(unsigned char *next_sha1, git_SHA_CTX *ctx, struct strbuf *line_buf) { - static char line[1000]; int patchlen = 0, found_next = 0; int before = -1, after = -1; - while (fgets(line, sizeof(line), stdin) != NULL) { + while (strbuf_getwholeline(line_buf, stdin, '\n') != EOF) { + char *line = line_buf->buf; char *p = line; int len; @@ -133,14 +133,16 @@ static void generate_id_list(void) unsigned char sha1[20], n[20]; git_SHA_CTX ctx; int patchlen; + struct strbuf line_buf = STRBUF_INIT; git_SHA1_Init(&ctx); hashclr(sha1); while (!feof(stdin)) { - patchlen = get_one_patchid(n, &ctx); + patchlen = get_one_patchid(n, &ctx, &line_buf); flush_current_id(patchlen, sha1, &ctx); hashcpy(sha1, n); } + strbuf_release(&line_buf); } static const char patch_id_usage[] = "git patch-id < patch"; diff --git a/builtin/push.c b/builtin/push.c index 9cebf9e..35cce53 100644 --- a/builtin/push.c +++ b/builtin/push.c @@ -8,6 +8,7 @@ #include "remote.h" #include "transport.h" #include "parse-options.h" +#include "submodule.h" static const char * const push_usage[] = { "git push [<options>] [<repository> [<refspec>...]]", @@ -219,6 +220,21 @@ static int do_push(const char *repo, int flags) return !!errs; } +static int option_parse_recurse_submodules(const struct option *opt, + const char *arg, int unset) +{ + int *flags = opt->value; + if (arg) { + if (!strcmp(arg, "check")) + *flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK; + else + die("bad %s argument: %s", opt->long_name, arg); + } else + die("option %s needs an argument (check)", opt->long_name); + + return 0; +} + int cmd_push(int argc, const char **argv, const char *prefix) { int flags = 0; @@ -236,6 +252,9 @@ int cmd_push(int argc, const char **argv, const char *prefix) OPT_BIT('n' , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN), OPT_BIT( 0, "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN), OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE), + { OPTION_CALLBACK, 0, "recurse-submodules", &flags, "check", + "controls recursive pushing of submodules", + PARSE_OPT_OPTARG, option_parse_recurse_submodules }, OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"), OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"), OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"), diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index e1a687a..c1c5bac 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -11,6 +11,7 @@ #include "transport.h" #include "string-list.h" #include "sha1-array.h" +#include "connected.h" static const char receive_pack_usage[] = "git receive-pack <git-dir>"; @@ -25,7 +26,8 @@ static int deny_deletes; static int deny_non_fast_forwards; static enum deny_action deny_current_branch = DENY_UNCONFIGURED; static enum deny_action deny_delete_current = DENY_UNCONFIGURED; -static int receive_fsck_objects; +static int receive_fsck_objects = -1; +static int transfer_fsck_objects = -1; static int receive_unpack_limit = -1; static int transfer_unpack_limit = -1; static int unpack_limit = 100; @@ -79,6 +81,11 @@ static int receive_pack_config(const char *var, const char *value, void *cb) return 0; } + if (strcmp(var, "transfer.fsckobjects") == 0) { + transfer_fsck_objects = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "receive.denycurrentbranch")) { deny_current_branch = parse_deny_action(var, value); return 0; @@ -120,9 +127,25 @@ static int show_ref(const char *path, const unsigned char *sha1, int flag, void return 0; } +static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *cb_data) +{ + path = strip_namespace(path); + /* + * 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. + */ + if (!path) + path = ".have"; + return show_ref(path, sha1, flag, cb_data); +} + static void write_head_info(void) { - for_each_ref(show_ref, NULL); + for_each_ref(show_ref_cb, NULL); if (!sent_capabilities) show_ref("capabilities^{}", null_sha1, 0, NULL); @@ -189,21 +212,15 @@ static int copy_to_sideband(int in, int out, void *arg) return 0; } -static int run_receive_hook(struct command *commands, const char *hook_name) +typedef int (*feed_fn)(void *, const char **, size_t *); +static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_state) { - static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4]; - struct command *cmd; struct child_process proc; struct async muxer; const char *argv[2]; - int have_input = 0, code; - - for (cmd = commands; !have_input && cmd; cmd = cmd->next) { - if (!cmd->error_string) - have_input = 1; - } + int code; - if (!have_input || access(hook_name, X_OK) < 0) + if (access(hook_name, X_OK) < 0) return 0; argv[0] = hook_name; @@ -231,15 +248,13 @@ static int run_receive_hook(struct command *commands, const char *hook_name) return code; } - for (cmd = commands; cmd; cmd = cmd->next) { - if (!cmd->error_string) { - size_t n = snprintf(buf, sizeof(buf), "%s %s %s\n", - sha1_to_hex(cmd->old_sha1), - sha1_to_hex(cmd->new_sha1), - cmd->ref_name); - if (write_in_full(proc.in, buf, n) != n) - break; - } + while (1) { + const char *buf; + size_t n; + if (feed(feed_state, &buf, &n)) + break; + if (write_in_full(proc.in, buf, n) != n) + break; } close(proc.in); if (use_sideband) @@ -247,6 +262,47 @@ static int run_receive_hook(struct command *commands, const char *hook_name) return finish_command(&proc); } +struct receive_hook_feed_state { + struct command *cmd; + struct strbuf buf; +}; + +static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep) +{ + struct receive_hook_feed_state *state = state_; + struct command *cmd = state->cmd; + + while (cmd && cmd->error_string) + cmd = cmd->next; + if (!cmd) + 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), + cmd->ref_name); + state->cmd = cmd->next; + if (bufp) { + *bufp = state->buf.buf; + *sizep = state->buf.len; + } + return 0; +} + +static int run_receive_hook(struct command *commands, const char *hook_name) +{ + struct receive_hook_feed_state state; + int status; + + strbuf_init(&state.buf, 0); + state.cmd = commands; + if (feed_receive_hook(&state, NULL, NULL)) + return 0; + state.cmd = commands; + status = run_and_feed_hook(hook_name, feed_receive_hook, &state); + strbuf_release(&state.buf); + return status; +} + static int run_update_hook(struct command *cmd) { static const char update_hook[] = "hooks/update"; @@ -333,6 +389,8 @@ static void refuse_unconfigured_deny_delete_current(void) static const char *update(struct command *cmd) { const char *name = cmd->ref_name; + struct strbuf namespaced_name_buf = STRBUF_INIT; + const char *namespaced_name; unsigned char *old_sha1 = cmd->old_sha1; unsigned char *new_sha1 = cmd->new_sha1; struct ref_lock *lock; @@ -343,7 +401,10 @@ static const char *update(struct command *cmd) return "funny refname"; } - if (is_ref_checked_out(name)) { + strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name); + namespaced_name = strbuf_detach(&namespaced_name_buf, NULL); + + if (is_ref_checked_out(namespaced_name)) { switch (deny_current_branch) { case DENY_IGNORE: break; @@ -371,7 +432,7 @@ static const char *update(struct command *cmd) return "deletion prohibited"; } - if (!strcmp(name, head_name)) { + if (!strcmp(namespaced_name, head_name)) { switch (deny_delete_current) { case DENY_IGNORE: break; @@ -427,14 +488,14 @@ static const char *update(struct command *cmd) rp_warning("Allowing deletion of corrupt ref."); old_sha1 = NULL; } - if (delete_ref(name, old_sha1, 0)) { + if (delete_ref(namespaced_name, old_sha1, 0)) { rp_error("failed to delete %s", name); return "failed to delete"; } return NULL; /* good */ } else { - lock = lock_any_ref_for_update(name, old_sha1, 0); + lock = lock_any_ref_for_update(namespaced_name, old_sha1, 0); if (!lock) { rp_error("failed to lock %s", name); return "failed to lock"; @@ -491,17 +552,29 @@ static void run_update_post_hook(struct command *commands) static void check_aliased_update(struct command *cmd, struct string_list *list) { + struct strbuf buf = STRBUF_INIT; + const char *dst_name; struct string_list_item *item; struct command *dst_cmd; unsigned char sha1[20]; char cmd_oldh[41], cmd_newh[41], dst_oldh[41], dst_newh[41]; int flag; - const char *dst_name = resolve_ref(cmd->ref_name, sha1, 0, &flag); + strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name); + dst_name = resolve_ref(buf.buf, sha1, 0, &flag); + strbuf_release(&buf); if (!(flag & REF_ISSYMREF)) return; + dst_name = strip_namespace(dst_name); + if (!dst_name) { + rp_error("refusing update to broken symref '%s'", cmd->ref_name); + cmd->skip_update = 1; + cmd->error_string = "broken symref"; + return; + } + if ((item = string_list_lookup(list, dst_name)) == NULL) return; @@ -546,6 +619,43 @@ static void check_aliased_updates(struct command *commands) string_list_clear(&ref_list, 0); } +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) + return -1; /* end of list */ + *cmd_list = NULL; /* this returns only one */ + hashcpy(sha1, cmd->new_sha1); + return 0; +} + +static void set_connectivity_errors(struct command *commands) +{ + struct command *cmd; + + for (cmd = commands; cmd; cmd = cmd->next) { + struct command *singleton = cmd; + if (!check_everything_connected(command_singleton_iterator, + 0, &singleton)) + continue; + cmd->error_string = "missing necessary objects"; + } +} + +static int iterate_receive_command_list(void *cb_data, unsigned char sha1[20]) +{ + struct command **cmd_list = cb_data; + struct command *cmd = *cmd_list; + + if (!cmd) + return -1; /* end of list */ + *cmd_list = cmd->next; + hashcpy(sha1, cmd->new_sha1); + return 0; +} + static void execute_commands(struct command *commands, const char *unpacker_error) { struct command *cmd; @@ -557,6 +667,11 @@ static void execute_commands(struct command *commands, const char *unpacker_erro return; } + cmd = commands; + if (check_everything_connected(iterate_receive_command_list, + 0, &cmd)) + set_connectivity_errors(commands); + if (run_receive_hook(commands, pre_receive_hook)) { for (cmd = commands; cmd; cmd = cmd->next) cmd->error_string = "pre-receive hook declined"; @@ -641,6 +756,11 @@ static const char *unpack(void) struct pack_header hdr; const char *hdr_err; char hdr_arg[38]; + int fsck_objects = (receive_fsck_objects >= 0 + ? receive_fsck_objects + : transfer_fsck_objects >= 0 + ? transfer_fsck_objects + : 0); hdr_err = parse_pack_header(&hdr); if (hdr_err) @@ -653,7 +773,7 @@ static const char *unpack(void) int code, i = 0; const char *unpacker[4]; unpacker[i++] = "unpack-objects"; - if (receive_fsck_objects) + if (fsck_objects) unpacker[i++] = "--strict"; unpacker[i++] = hdr_arg; unpacker[i++] = NULL; @@ -673,7 +793,7 @@ static const char *unpack(void) keeper[i++] = "index-pack"; keeper[i++] = "--stdin"; - if (receive_fsck_objects) + if (fsck_objects) keeper[i++] = "--strict"; keeper[i++] = "--fix-thin"; keeper[i++] = hdr_arg; diff --git a/builtin/reflog.c b/builtin/reflog.c index ebf610e..3a9c80f 100644 --- a/builtin/reflog.c +++ b/builtin/reflog.c @@ -777,6 +777,5 @@ int cmd_reflog(int argc, const char **argv, const char *prefix) if (!strcmp(argv[1], "delete")) return cmd_reflog_delete(argc - 1, argv + 1, prefix); - /* Not a recognized reflog command..*/ - usage(reflog_usage); + return cmd_log_reflog(argc, argv, prefix); } diff --git a/builtin/remote.c b/builtin/remote.c index 9ff1cac..f2a9c26 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -88,16 +88,6 @@ static inline int postfixcmp(const char *string, const char *postfix) return strcmp(string + len1 - len2, postfix); } -static int opt_parse_track(const struct option *opt, const char *arg, int not) -{ - struct string_list *list = opt->value; - if (not) - string_list_clear(list, 0); - else - string_list_append(list, arg); - return 0; -} - static int fetch_remote(const char *name) { const char *argv[] = { "fetch", name, NULL, NULL }; @@ -176,8 +166,8 @@ static int add(int argc, const char **argv) TAGS_SET), OPT_SET_INT(0, NULL, &fetch_tags, "or do not fetch any tag at all (--no-tags)", TAGS_UNSET), - OPT_CALLBACK('t', "track", &track, "branch", - "branch(es) to track", opt_parse_track), + OPT_STRING_LIST('t', "track", &track, "branch", + "branch(es) to track"), OPT_STRING('m', "master", &master, "branch", "master branch"), { OPTION_CALLBACK, 0, "mirror", &mirror, "push|fetch", "set up remote as a mirror to push to or fetch from", @@ -1113,7 +1103,7 @@ static int show(int argc, const char **argv) url = states.remote->url; url_nr = states.remote->url_nr; } - for (i=0; i < url_nr; i++) + for (i = 0; i < url_nr; i++) printf(" Push URL: %s\n", url[i]); if (!i) printf(" Push URL: %s\n", "(no URL)"); diff --git a/builtin/reset.c b/builtin/reset.c index 98bca04..811e8e2 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -33,25 +33,6 @@ static const char *reset_type_names[] = { N_("mixed"), N_("soft"), N_("hard"), N_("merge"), N_("keep"), NULL }; -static char *args_to_str(const char **argv) -{ - char *buf = NULL; - unsigned long len, space = 0, nr = 0; - - for (; *argv; argv++) { - len = strlen(*argv); - ALLOC_GROW(buf, nr + 1 + len, space); - if (nr) - buf[nr++] = ' '; - memcpy(buf + nr, *argv, len); - nr += len; - } - ALLOC_GROW(buf, nr + 1, space); - buf[nr] = '\0'; - - return buf; -} - static inline int is_merge(void) { return !access(git_path("MERGE_HEAD"), F_OK); @@ -162,7 +143,7 @@ static void update_index_from_diff(struct diff_queue_struct *q, for (i = 0; i < q->nr; i++) { struct diff_filespec *one = q->queue[i]->one; - if (one->mode) { + if (one->mode && !is_null_sha1(one->sha1)) { struct cache_entry *ce; ce = make_cache_entry(one->mode, one->sha1, one->path, 0, 0); @@ -215,14 +196,18 @@ static int read_from_tree(const char *prefix, const char **argv, return update_index_refresh(index_fd, lock, refresh_flags); } -static void prepend_reflog_action(const char *action, char *buf, size_t size) +static void set_reflog_message(struct strbuf *sb, const char *action, + const char *rev) { - const char *sep = ": "; const char *rla = getenv("GIT_REFLOG_ACTION"); - if (!rla) - rla = sep = ""; - if (snprintf(buf, size, "%s%s%s", rla, sep, action) >= size) - warning(_("Reflog action message too long: %.*s..."), 50, buf); + + strbuf_reset(sb); + if (rla) + strbuf_addf(sb, "%s: %s", rla, action); + else if (rev) + strbuf_addf(sb, "reset: moving to %s", rev); + else + strbuf_addf(sb, "reset: %s", action); } static void die_if_unmerged_cache(int reset_type) @@ -241,7 +226,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) unsigned char sha1[20], *orig = NULL, sha1_orig[20], *old_orig = NULL, sha1_old_orig[20]; struct commit *commit; - char *reflog_action, msg[1024]; + struct strbuf msg = STRBUF_INIT; const struct option options[] = { OPT__QUIET(&quiet, "be quiet, only report errors"), OPT_SET_INT(0, "mixed", &reset_type, @@ -261,8 +246,6 @@ int cmd_reset(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, options, git_reset_usage, PARSE_OPT_KEEP_DASHDASH); - reflog_action = args_to_str(argv); - setenv("GIT_REFLOG_ACTION", reflog_action, 0); /* * Possible arguments are: @@ -357,13 +340,13 @@ int cmd_reset(int argc, const char **argv, const char *prefix) old_orig = sha1_old_orig; if (!get_sha1("HEAD", sha1_orig)) { orig = sha1_orig; - prepend_reflog_action("updating ORIG_HEAD", msg, sizeof(msg)); - update_ref(msg, "ORIG_HEAD", orig, old_orig, 0, MSG_ON_ERR); + set_reflog_message(&msg, "updating ORIG_HEAD", NULL); + update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0, MSG_ON_ERR); } else if (old_orig) delete_ref("ORIG_HEAD", old_orig, 0); - prepend_reflog_action("updating HEAD", msg, sizeof(msg)); - update_ref_status = update_ref(msg, "HEAD", sha1, orig, 0, MSG_ON_ERR); + set_reflog_message(&msg, "updating HEAD", rev); + update_ref_status = update_ref(msg.buf, "HEAD", sha1, orig, 0, MSG_ON_ERR); switch (reset_type) { case HARD: @@ -380,7 +363,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) remove_branch_state(); - free(reflog_action); + strbuf_release(&msg); return update_ref_status; } diff --git a/builtin/rev-list.c b/builtin/rev-list.c index 56727e8..ab3be7c 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c @@ -168,29 +168,24 @@ static void finish_commit(struct commit *commit, void *data) commit->buffer = NULL; } -static void finish_object(struct object *obj, const struct name_path *path, const char *name) +static void finish_object(struct object *obj, + const struct name_path *path, const char *name, + void *cb_data) { if (obj->type == OBJ_BLOB && !has_sha1_file(obj->sha1)) die("missing blob object '%s'", sha1_to_hex(obj->sha1)); } -static void show_object(struct object *obj, const struct name_path *path, const char *component) +static void show_object(struct object *obj, + const struct name_path *path, const char *component, + void *cb_data) { - char *name = path_name(path, component); - /* An object with name "foo\n0000000..." can be used to - * confuse downstream "git pack-objects" very badly. - */ - const char *ep = strchr(name, '\n'); + struct rev_info *info = cb_data; - finish_object(obj, path, name); - if (ep) { - printf("%s %.*s\n", sha1_to_hex(obj->sha1), - (int) (ep - name), - name); - } - else - printf("%s %s\n", sha1_to_hex(obj->sha1), name); - free(name); + finish_object(obj, path, component, cb_data); + if (info->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT) + parse_object(obj->sha1); + show_object_with_name(stdout, obj, path, component); } static void show_edge(struct commit *commit) diff --git a/builtin/revert.c b/builtin/revert.c index 1f27c63..ba27cf1 100644 --- a/builtin/revert.c +++ b/builtin/revert.c @@ -13,6 +13,8 @@ #include "rerere.h" #include "merge-recursive.h" #include "refs.h" +#include "dir.h" +#include "sequencer.h" /* * This implements the builtins revert and cherry-pick. @@ -27,85 +29,189 @@ static const char * const revert_usage[] = { "git revert [options] <commit-ish>", + "git revert <subcommand>", NULL }; static const char * const cherry_pick_usage[] = { "git cherry-pick [options] <commit-ish>", + "git cherry-pick <subcommand>", NULL }; -static int edit, no_replay, no_commit, mainline, signoff, allow_ff; -static enum { REVERT, CHERRY_PICK } action; -static struct commit *commit; -static int commit_argc; -static const char **commit_argv; -static int allow_rerere_auto; - -static const char *me; - -/* Merge strategy. */ -static const char *strategy; -static const char **xopts; -static size_t xopts_nr, xopts_alloc; +enum replay_action { REVERT, CHERRY_PICK }; +enum replay_subcommand { REPLAY_NONE, REPLAY_RESET, REPLAY_CONTINUE }; + +struct replay_opts { + enum replay_action action; + enum replay_subcommand subcommand; + + /* Boolean options */ + int edit; + int record_origin; + int no_commit; + int signoff; + int allow_ff; + int allow_rerere_auto; + + int mainline; + int commit_argc; + const char **commit_argv; + + /* Merge strategy */ + const char *strategy; + const char **xopts; + size_t xopts_nr, xopts_alloc; +}; #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" +static const char *action_name(const struct replay_opts *opts) +{ + return opts->action == REVERT ? "revert" : "cherry-pick"; +} + static char *get_encoding(const char *message); -static const char * const *revert_or_cherry_pick_usage(void) +static const char * const *revert_or_cherry_pick_usage(struct replay_opts *opts) { - return action == REVERT ? revert_usage : cherry_pick_usage; + return opts->action == REVERT ? revert_usage : cherry_pick_usage; } static int option_parse_x(const struct option *opt, const char *arg, int unset) { + struct replay_opts **opts_ptr = opt->value; + struct replay_opts *opts = *opts_ptr; + if (unset) return 0; - ALLOC_GROW(xopts, xopts_nr + 1, xopts_alloc); - xopts[xopts_nr++] = xstrdup(arg); + ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); + opts->xopts[opts->xopts_nr++] = xstrdup(arg); return 0; } -static void parse_args(int argc, const char **argv) +static void verify_opt_compatible(const char *me, const char *base_opt, ...) +{ + const char *this_opt; + va_list ap; + + va_start(ap, base_opt); + while ((this_opt = va_arg(ap, const char *))) { + if (va_arg(ap, int)) + break; + } + va_end(ap); + + if (this_opt) + die(_("%s: %s cannot be used with %s"), me, this_opt, base_opt); +} + +static void verify_opt_mutually_compatible(const char *me, ...) { - const char * const * usage_str = revert_or_cherry_pick_usage(); + const char *opt1, *opt2; + va_list ap; + + va_start(ap, me); + while ((opt1 = va_arg(ap, const char *))) { + if (va_arg(ap, int)) + break; + } + if (opt1) { + while ((opt2 = va_arg(ap, const char *))) { + if (va_arg(ap, int)) + break; + } + } + + if (opt1 && opt2) + die(_("%s: %s cannot be used with %s"), me, opt1, opt2); +} + +static void parse_args(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); int noop; + int reset = 0; + int contin = 0; struct option options[] = { - OPT_BOOLEAN('n', "no-commit", &no_commit, "don't automatically commit"), - OPT_BOOLEAN('e', "edit", &edit, "edit the commit message"), + OPT_BOOLEAN(0, "reset", &reset, "forget the current operation"), + OPT_BOOLEAN(0, "continue", &contin, "continue the current operation"), + OPT_BOOLEAN('n', "no-commit", &opts->no_commit, "don't automatically commit"), + OPT_BOOLEAN('e', "edit", &opts->edit, "edit the commit message"), { OPTION_BOOLEAN, 'r', NULL, &noop, NULL, "no-op (backward compatibility)", PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 0 }, - OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"), - OPT_INTEGER('m', "mainline", &mainline, "parent number"), - OPT_RERERE_AUTOUPDATE(&allow_rerere_auto), - OPT_STRING(0, "strategy", &strategy, "strategy", "merge strategy"), - OPT_CALLBACK('X', "strategy-option", &xopts, "option", + OPT_BOOLEAN('s', "signoff", &opts->signoff, "add Signed-off-by:"), + OPT_INTEGER('m', "mainline", &opts->mainline, "parent number"), + OPT_RERERE_AUTOUPDATE(&opts->allow_rerere_auto), + OPT_STRING(0, "strategy", &opts->strategy, "strategy", "merge strategy"), + OPT_CALLBACK('X', "strategy-option", &opts, "option", "option for merge strategy", option_parse_x), OPT_END(), OPT_END(), OPT_END(), }; - if (action == CHERRY_PICK) { + if (opts->action == CHERRY_PICK) { struct option cp_extra[] = { - OPT_BOOLEAN('x', NULL, &no_replay, "append commit name"), - OPT_BOOLEAN(0, "ff", &allow_ff, "allow fast-forward"), + OPT_BOOLEAN('x', NULL, &opts->record_origin, "append commit name"), + OPT_BOOLEAN(0, "ff", &opts->allow_ff, "allow fast-forward"), OPT_END(), }; if (parse_options_concat(options, ARRAY_SIZE(options), cp_extra)) die(_("program error")); } - commit_argc = parse_options(argc, argv, NULL, options, usage_str, - PARSE_OPT_KEEP_ARGV0 | - PARSE_OPT_KEEP_UNKNOWN); - if (commit_argc < 2) + opts->commit_argc = parse_options(argc, argv, NULL, options, usage_str, + PARSE_OPT_KEEP_ARGV0 | + PARSE_OPT_KEEP_UNKNOWN); + + /* Check for incompatible subcommands */ + verify_opt_mutually_compatible(me, + "--reset", reset, + "--continue", contin, + NULL); + + /* Set the subcommand */ + if (reset) + opts->subcommand = REPLAY_RESET; + else if (contin) + opts->subcommand = REPLAY_CONTINUE; + else + opts->subcommand = REPLAY_NONE; + + /* Check for incompatible command line arguments */ + if (opts->subcommand != REPLAY_NONE) { + char *this_operation; + if (opts->subcommand == REPLAY_RESET) + this_operation = "--reset"; + else + this_operation = "--continue"; + + verify_opt_compatible(me, this_operation, + "--no-commit", opts->no_commit, + "--signoff", opts->signoff, + "--mainline", opts->mainline, + "--strategy", opts->strategy ? 1 : 0, + "--strategy-option", opts->xopts ? 1 : 0, + "-x", opts->record_origin, + "--ff", opts->allow_ff, + NULL); + } + + else if (opts->commit_argc < 2) usage_with_options(usage_str, options); - commit_argv = argv; + if (opts->allow_ff) + verify_opt_compatible(me, "--ff", + "--signoff", opts->signoff, + "--no-commit", opts->no_commit, + "-x", opts->record_origin, + "--edit", opts->edit, + NULL); + opts->commit_argv = argv; } struct commit_message { @@ -116,25 +222,25 @@ struct commit_message { const char *message; }; -static int get_message(const char *raw_message, struct commit_message *out) +static int get_message(struct commit *commit, struct commit_message *out) { const char *encoding; const char *abbrev, *subject; int abbrev_len, subject_len; char *q; - if (!raw_message) + if (!commit->buffer) return -1; - encoding = get_encoding(raw_message); + encoding = get_encoding(commit->buffer); if (!encoding) encoding = "UTF-8"; if (!git_commit_encoding) git_commit_encoding = "UTF-8"; out->reencoded_message = NULL; - out->message = raw_message; + out->message = commit->buffer; if (strcmp(encoding, git_commit_encoding)) - out->reencoded_message = reencode_string(raw_message, + out->reencoded_message = reencode_string(commit->buffer, git_commit_encoding, encoding); if (out->reencoded_message) out->message = out->reencoded_message; @@ -167,9 +273,6 @@ static char *get_encoding(const char *message) { const char *p = message, *eol; - if (!p) - die (_("Could not read commit message of %s"), - sha1_to_hex(commit->object.sha1)); while (*p && *p != '\n') { for (eol = p + 1; *eol && *eol != '\n'; eol++) ; /* do nothing */ @@ -185,20 +288,7 @@ static char *get_encoding(const char *message) return NULL; } -static void add_message_to_msg(struct strbuf *msgbuf, const char *message) -{ - const char *p = message; - while (*p && (*p != '\n' || p[1] != '\n')) - p++; - - if (!*p) - strbuf_addstr(msgbuf, sha1_to_hex(commit->object.sha1)); - - p += 2; - strbuf_addstr(msgbuf, p); -} - -static void write_cherry_pick_head(void) +static void write_cherry_pick_head(struct commit *commit) { int fd; struct strbuf buf = STRBUF_INIT; @@ -214,15 +304,6 @@ static void write_cherry_pick_head(void) strbuf_release(&buf); } -static void advise(const char *advice, ...) -{ - va_list params; - - va_start(params, advice); - vreportf("hint: ", advice, params); - va_end(params); -} - static void print_advice(void) { char *msg = getenv("GIT_CHERRY_PICK_HELP"); @@ -258,33 +339,23 @@ static void write_message(struct strbuf *msgbuf, const char *filename) static struct tree *empty_tree(void) { - struct tree *tree = xcalloc(1, sizeof(struct tree)); - - tree->object.parsed = 1; - tree->object.type = OBJ_TREE; - pretend_sha1_file(NULL, 0, OBJ_TREE, tree->object.sha1); - return tree; + return lookup_tree((const unsigned char *)EMPTY_TREE_SHA1_BIN); } -static NORETURN void die_dirty_index(const char *me) +static int error_dirty_index(struct replay_opts *opts) { - if (read_cache_unmerged()) { - die_resolve_conflict(me); - } else { - if (advice_commit_before_merge) { - if (action == REVERT) - die(_("Your local changes would be overwritten by revert.\n" - "Please, commit your changes or stash them to proceed.")); - else - die(_("Your local changes would be overwritten by cherry-pick.\n" - "Please, commit your changes or stash them to proceed.")); - } else { - if (action == REVERT) - die(_("Your local changes would be overwritten by revert.\n")); - else - die(_("Your local changes would be overwritten by cherry-pick.\n")); - } - } + if (read_cache_unmerged()) + return error_resolve_conflict(action_name(opts)); + + /* Different translation strings for cherry-pick and revert */ + if (opts->action == CHERRY_PICK) + error(_("Your local changes would be overwritten by cherry-pick.")); + else + error(_("Your local changes would be overwritten by revert.")); + + if (advice_commit_before_merge) + advise(_("Commit your changes or stash them to proceed.")); + return -1; } static int fast_forward_to(const unsigned char *to, const unsigned char *from) @@ -300,7 +371,8 @@ static int fast_forward_to(const unsigned char *to, const unsigned char *from) static int do_recursive_merge(struct commit *base, struct commit *next, const char *base_label, const char *next_label, - unsigned char *head, struct strbuf *msgbuf) + unsigned char *head, struct strbuf *msgbuf, + struct replay_opts *opts) { struct merge_options o; struct tree *result, *next_tree, *base_tree, *head_tree; @@ -321,7 +393,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next, next_tree = next ? next->tree : empty_tree(); base_tree = base ? base->tree : empty_tree(); - for (xopt = xopts; xopt != xopts + xopts_nr; xopt++) + for (xopt = opts->xopts; xopt != opts->xopts + opts->xopts_nr; xopt++) parse_merge_opt(&o, *xopt); clean = merge_trees(&o, @@ -332,7 +404,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next, (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(&index_lock))) /* TRANSLATORS: %s will be "revert" or "cherry-pick" */ - die(_("%s: Unable to write new index file"), me); + die(_("%s: Unable to write new index file"), action_name(opts)); rollback_lock_file(&index_lock); if (!clean) { @@ -361,7 +433,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next, * If we are revert, or if our cherry-pick results in a hand merge, * we had better say that the current user is responsible for that. */ -static int run_git_commit(const char *defmsg) +static int run_git_commit(const char *defmsg, struct replay_opts *opts) { /* 6 is max possible length of our args array including NULL */ const char *args[6]; @@ -369,9 +441,9 @@ static int run_git_commit(const char *defmsg) args[i++] = "commit"; args[i++] = "-n"; - if (signoff) + if (opts->signoff) args[i++] = "-s"; - if (!edit) { + if (!opts->edit) { args[i++] = "-F"; args[i++] = defmsg; } @@ -380,7 +452,7 @@ static int run_git_commit(const char *defmsg) return run_command_v_opt(args, RUN_GIT_CMD); } -static int do_pick_commit(void) +static int do_pick_commit(struct commit *commit, struct replay_opts *opts) { unsigned char head[20]; struct commit *base, *next, *parent; @@ -390,7 +462,7 @@ static int do_pick_commit(void) struct strbuf msgbuf = STRBUF_INIT; int res; - if (no_commit) { + if (opts->no_commit) { /* * We do not intend to commit immediately. We just want to * merge the differences in, so let's compute the tree @@ -401,9 +473,9 @@ static int do_pick_commit(void) die (_("Your index file is unmerged.")); } else { if (get_sha1("HEAD", head)) - die (_("You do not have a valid HEAD")); + return error(_("You do not have a valid HEAD")); if (index_differs_from("HEAD", 0)) - die_dirty_index(me); + return error_dirty_index(opts); } discard_cache(); @@ -415,36 +487,36 @@ static int do_pick_commit(void) int cnt; struct commit_list *p; - if (!mainline) - die(_("Commit %s is a merge but no -m option was given."), - sha1_to_hex(commit->object.sha1)); + if (!opts->mainline) + return error(_("Commit %s is a merge but no -m option was given."), + sha1_to_hex(commit->object.sha1)); for (cnt = 1, p = commit->parents; - cnt != mainline && p; + cnt != opts->mainline && p; cnt++) p = p->next; - if (cnt != mainline || !p) - die(_("Commit %s does not have parent %d"), - sha1_to_hex(commit->object.sha1), mainline); + if (cnt != opts->mainline || !p) + return error(_("Commit %s does not have parent %d"), + sha1_to_hex(commit->object.sha1), opts->mainline); parent = p->item; - } else if (0 < mainline) - die(_("Mainline was specified but commit %s is not a merge."), - sha1_to_hex(commit->object.sha1)); + } else if (0 < opts->mainline) + return error(_("Mainline was specified but commit %s is not a merge."), + sha1_to_hex(commit->object.sha1)); else parent = commit->parents->item; - if (allow_ff && parent && !hashcmp(parent->object.sha1, head)) + if (opts->allow_ff && parent && !hashcmp(parent->object.sha1, head)) return fast_forward_to(commit->object.sha1, head); if (parent && parse_commit(parent) < 0) /* TRANSLATORS: The first %s will be "revert" or "cherry-pick", the second %s a SHA1 */ - die(_("%s: cannot parse parent commit %s"), - me, sha1_to_hex(parent->object.sha1)); + return error(_("%s: cannot parse parent commit %s"), + action_name(opts), sha1_to_hex(parent->object.sha1)); - if (get_message(commit->buffer, &msg) != 0) - die(_("Cannot get commit message for %s"), - sha1_to_hex(commit->object.sha1)); + if (get_message(commit, &msg) != 0) + return error(_("Cannot get commit message for %s"), + sha1_to_hex(commit->object.sha1)); /* * "commit" is an existing commit. We would want to apply @@ -455,7 +527,7 @@ static int do_pick_commit(void) defmsg = git_pathdup("MERGE_MSG"); - if (action == REVERT) { + if (opts->action == REVERT) { base = commit; base_label = msg.label; next = parent; @@ -471,23 +543,36 @@ static int do_pick_commit(void) } strbuf_addstr(&msgbuf, ".\n"); } else { + const char *p; + base = parent; base_label = msg.parent_label; next = commit; next_label = msg.label; - add_message_to_msg(&msgbuf, msg.message); - if (no_replay) { + + /* + * Append the commit log message to msgbuf; it starts + * after the tree, parent, author, committer + * information followed by "\n\n". + */ + p = strstr(msg.message, "\n\n"); + if (p) { + p += 2; + strbuf_addstr(&msgbuf, p); + } + + if (opts->record_origin) { strbuf_addstr(&msgbuf, "(cherry picked from commit "); strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1)); strbuf_addstr(&msgbuf, ")\n"); } - if (!no_commit) - write_cherry_pick_head(); + if (!opts->no_commit) + write_cherry_pick_head(commit); } - if (!strategy || !strcmp(strategy, "recursive") || action == REVERT) { + if (!opts->strategy || !strcmp(opts->strategy, "recursive") || opts->action == REVERT) { res = do_recursive_merge(base, next, base_label, next_label, - head, &msgbuf); + head, &msgbuf, opts); write_message(&msgbuf, defmsg); } else { struct commit_list *common = NULL; @@ -497,23 +582,23 @@ static int do_pick_commit(void) commit_list_insert(base, &common); commit_list_insert(next, &remotes); - res = try_merge_command(strategy, xopts_nr, xopts, common, - sha1_to_hex(head), remotes); + res = try_merge_command(opts->strategy, opts->xopts_nr, opts->xopts, + common, sha1_to_hex(head), remotes); free_commit_list(common); free_commit_list(remotes); } if (res) { - error(action == REVERT + error(opts->action == REVERT ? _("could not revert %s... %s") : _("could not apply %s... %s"), find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), msg.subject); print_advice(); - rerere(allow_rerere_auto); + rerere(opts->allow_rerere_auto); } else { - if (!no_commit) - res = run_git_commit(defmsg); + if (!opts->no_commit) + res = run_git_commit(defmsg, opts); } free_message(&msg); @@ -522,18 +607,18 @@ static int do_pick_commit(void) return res; } -static void prepare_revs(struct rev_info *revs) +static void prepare_revs(struct rev_info *revs, struct replay_opts *opts) { int argc; init_revisions(revs, NULL); revs->no_walk = 1; - if (action != REVERT) + if (opts->action != REVERT) revs->reverse = 1; - argc = setup_revisions(commit_argc, commit_argv, revs, NULL); + argc = setup_revisions(opts->commit_argc, opts->commit_argv, revs, NULL); if (argc > 1) - usage(*revert_or_cherry_pick_usage()); + usage(*revert_or_cherry_pick_usage(opts)); if (prepare_revision_walk(revs)) die(_("revision walk setup failed")); @@ -542,64 +627,403 @@ static void prepare_revs(struct rev_info *revs) die(_("empty commit set passed")); } -static void read_and_refresh_cache(const char *me) +static void read_and_refresh_cache(struct replay_opts *opts) { static struct lock_file index_lock; int index_fd = hold_locked_index(&index_lock, 0); if (read_index_preload(&the_index, NULL) < 0) - die(_("git %s: failed to read the index"), me); + die(_("git %s: failed to read the index"), action_name(opts)); refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL); if (the_index.cache_changed) { if (write_index(&the_index, index_fd) || commit_locked_index(&index_lock)) - die(_("git %s: failed to refresh the index"), me); + die(_("git %s: failed to refresh the index"), action_name(opts)); } rollback_lock_file(&index_lock); } -static int revert_or_cherry_pick(int argc, const char **argv) +/* + * Append a commit to the end of the commit_list. + * + * next starts by pointing to the variable that holds the head of an + * empty commit_list, and is updated to point to the "next" field of + * the last item on the list as new commits are appended. + * + * Usage example: + * + * struct commit_list *list; + * struct commit_list **next = &list; + * + * next = commit_list_append(c1, next); + * next = commit_list_append(c2, next); + * assert(commit_list_count(list) == 2); + * return list; + */ +static struct commit_list **commit_list_append(struct commit *commit, + struct commit_list **next) +{ + struct commit_list *new = xmalloc(sizeof(struct commit_list)); + new->item = commit; + *next = new; + new->next = NULL; + return &new->next; +} + +static int format_todo(struct strbuf *buf, struct commit_list *todo_list, + struct replay_opts *opts) +{ + struct commit_list *cur = NULL; + struct commit_message msg = { NULL, NULL, NULL, NULL, NULL }; + const char *sha1_abbrev = NULL; + const char *action_str = opts->action == REVERT ? "revert" : "pick"; + + for (cur = todo_list; cur; cur = cur->next) { + sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV); + if (get_message(cur->item, &msg)) + return error(_("Cannot get commit message for %s"), sha1_abbrev); + strbuf_addf(buf, "%s %s %s\n", action_str, sha1_abbrev, msg.subject); + } + return 0; +} + +static struct commit *parse_insn_line(char *start, struct replay_opts *opts) +{ + unsigned char commit_sha1[20]; + char sha1_abbrev[40]; + enum replay_action action; + int insn_len = 0; + char *p, *q; + + if (!prefixcmp(start, "pick ")) { + action = CHERRY_PICK; + insn_len = strlen("pick"); + p = start + insn_len + 1; + } else if (!prefixcmp(start, "revert ")) { + action = REVERT; + insn_len = strlen("revert"); + p = start + insn_len + 1; + } else + return NULL; + + q = strchr(p, ' '); + if (!q) + return NULL; + q++; + + strlcpy(sha1_abbrev, p, q - p); + + /* + * Verify that the action matches up with the one in + * opts; we don't support arbitrary instructions + */ + if (action != opts->action) { + const char *action_str; + action_str = action == REVERT ? "revert" : "cherry-pick"; + error(_("Cannot %s during a %s"), action_str, action_name(opts)); + return NULL; + } + + if (get_sha1(sha1_abbrev, commit_sha1) < 0) + return NULL; + + return lookup_commit_reference(commit_sha1); +} + +static int parse_insn_buffer(char *buf, struct commit_list **todo_list, + struct replay_opts *opts) +{ + struct commit_list **next = todo_list; + struct commit *commit; + char *p = buf; + int i; + + for (i = 1; *p; i++) { + commit = parse_insn_line(p, opts); + if (!commit) + return error(_("Could not parse line %d."), i); + next = commit_list_append(commit, next); + p = strchrnul(p, '\n'); + if (*p) + p++; + } + if (!*todo_list) + return error(_("No commits parsed.")); + return 0; +} + +static void read_populate_todo(struct commit_list **todo_list, + struct replay_opts *opts) +{ + const char *todo_file = git_path(SEQ_TODO_FILE); + struct strbuf buf = STRBUF_INIT; + int fd, res; + + fd = open(todo_file, O_RDONLY); + if (fd < 0) + die_errno(_("Could not open %s."), todo_file); + if (strbuf_read(&buf, fd, 0) < 0) { + close(fd); + strbuf_release(&buf); + die(_("Could not read %s."), todo_file); + } + close(fd); + + res = parse_insn_buffer(buf.buf, todo_list, opts); + strbuf_release(&buf); + if (res) + die(_("Unusable instruction sheet: %s"), todo_file); +} + +static int populate_opts_cb(const char *key, const char *value, void *data) +{ + struct replay_opts *opts = data; + int error_flag = 1; + + if (!value) + error_flag = 0; + else if (!strcmp(key, "options.no-commit")) + opts->no_commit = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.edit")) + opts->edit = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.signoff")) + opts->signoff = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.record-origin")) + opts->record_origin = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.allow-ff")) + opts->allow_ff = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.mainline")) + opts->mainline = git_config_int(key, value); + else if (!strcmp(key, "options.strategy")) + git_config_string(&opts->strategy, key, value); + else if (!strcmp(key, "options.strategy-option")) { + ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); + opts->xopts[opts->xopts_nr++] = xstrdup(value); + } else + return error(_("Invalid key: %s"), key); + + if (!error_flag) + return error(_("Invalid value for %s: %s"), key, value); + + return 0; +} + +static void read_populate_opts(struct replay_opts **opts_ptr) +{ + const char *opts_file = git_path(SEQ_OPTS_FILE); + + if (!file_exists(opts_file)) + return; + if (git_config_from_file(populate_opts_cb, opts_file, *opts_ptr) < 0) + die(_("Malformed options sheet: %s"), opts_file); +} + +static void walk_revs_populate_todo(struct commit_list **todo_list, + struct replay_opts *opts) { struct rev_info revs; + struct commit *commit; + struct commit_list **next; - git_config(git_default_config, NULL); - me = action == REVERT ? "revert" : "cherry-pick"; - setenv(GIT_REFLOG_ACTION, me, 0); - parse_args(argc, argv); - - if (allow_ff) { - if (signoff) - die(_("cherry-pick --ff cannot be used with --signoff")); - if (no_commit) - die(_("cherry-pick --ff cannot be used with --no-commit")); - if (no_replay) - die(_("cherry-pick --ff cannot be used with -x")); - if (edit) - die(_("cherry-pick --ff cannot be used with --edit")); + prepare_revs(&revs, opts); + + next = todo_list; + while ((commit = get_revision(&revs))) + next = commit_list_append(commit, next); +} + +static int create_seq_dir(void) +{ + const char *seq_dir = git_path(SEQ_DIR); + + if (file_exists(seq_dir)) + return error(_("%s already exists."), seq_dir); + else if (mkdir(seq_dir, 0777) < 0) + die_errno(_("Could not create sequencer directory '%s'."), seq_dir); + return 0; +} + +static void save_head(const char *head) +{ + const char *head_file = git_path(SEQ_HEAD_FILE); + static struct lock_file head_lock; + struct strbuf buf = STRBUF_INIT; + int fd; + + fd = hold_lock_file_for_update(&head_lock, head_file, LOCK_DIE_ON_ERROR); + strbuf_addf(&buf, "%s\n", head); + if (write_in_full(fd, buf.buf, buf.len) < 0) + die_errno(_("Could not write to %s."), head_file); + if (commit_lock_file(&head_lock) < 0) + die(_("Error wrapping up %s."), head_file); +} + +static void save_todo(struct commit_list *todo_list, struct replay_opts *opts) +{ + const char *todo_file = git_path(SEQ_TODO_FILE); + static struct lock_file todo_lock; + struct strbuf buf = STRBUF_INIT; + int fd; + + fd = hold_lock_file_for_update(&todo_lock, todo_file, LOCK_DIE_ON_ERROR); + if (format_todo(&buf, todo_list, opts) < 0) + die(_("Could not format %s."), todo_file); + if (write_in_full(fd, buf.buf, buf.len) < 0) { + strbuf_release(&buf); + die_errno(_("Could not write to %s."), todo_file); + } + if (commit_lock_file(&todo_lock) < 0) { + strbuf_release(&buf); + die(_("Error wrapping up %s."), todo_file); } + strbuf_release(&buf); +} - read_and_refresh_cache(me); +static void save_opts(struct replay_opts *opts) +{ + const char *opts_file = git_path(SEQ_OPTS_FILE); + + if (opts->no_commit) + git_config_set_in_file(opts_file, "options.no-commit", "true"); + if (opts->edit) + git_config_set_in_file(opts_file, "options.edit", "true"); + if (opts->signoff) + git_config_set_in_file(opts_file, "options.signoff", "true"); + if (opts->record_origin) + git_config_set_in_file(opts_file, "options.record-origin", "true"); + if (opts->allow_ff) + git_config_set_in_file(opts_file, "options.allow-ff", "true"); + if (opts->mainline) { + struct strbuf buf = STRBUF_INIT; + strbuf_addf(&buf, "%d", opts->mainline); + git_config_set_in_file(opts_file, "options.mainline", buf.buf); + strbuf_release(&buf); + } + if (opts->strategy) + git_config_set_in_file(opts_file, "options.strategy", opts->strategy); + if (opts->xopts) { + int i; + for (i = 0; i < opts->xopts_nr; i++) + git_config_set_multivar_in_file(opts_file, + "options.strategy-option", + opts->xopts[i], "^$", 0); + } +} - prepare_revs(&revs); +static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts) +{ + struct commit_list *cur; + int res; - while ((commit = get_revision(&revs))) { - int res = do_pick_commit(); - if (res) + setenv(GIT_REFLOG_ACTION, action_name(opts), 0); + if (opts->allow_ff) + assert(!(opts->signoff || opts->no_commit || + opts->record_origin || opts->edit)); + read_and_refresh_cache(opts); + + for (cur = todo_list; cur; cur = cur->next) { + save_todo(cur, opts); + res = do_pick_commit(cur->item, opts); + if (res) { + if (!cur->next) + /* + * An error was encountered while + * picking the last commit; the + * sequencer state is useless now -- + * the user simply needs to resolve + * the conflict and commit + */ + remove_sequencer_state(0); return res; + } } + /* + * Sequence of picks finished successfully; cleanup by + * removing the .git/sequencer directory + */ + remove_sequencer_state(1); return 0; } +static int pick_revisions(struct replay_opts *opts) +{ + struct commit_list *todo_list = NULL; + unsigned char sha1[20]; + + read_and_refresh_cache(opts); + + /* + * Decide what to do depending on the arguments; a fresh + * cherry-pick should be handled differently from an existing + * one that is being continued + */ + if (opts->subcommand == REPLAY_RESET) { + remove_sequencer_state(1); + return 0; + } else if (opts->subcommand == REPLAY_CONTINUE) { + if (!file_exists(git_path(SEQ_TODO_FILE))) + goto error; + read_populate_opts(&opts); + read_populate_todo(&todo_list, opts); + + /* Verify that the conflict has been resolved */ + if (!index_differs_from("HEAD", 0)) + todo_list = todo_list->next; + } else { + /* + * Start a new cherry-pick/ revert sequence; but + * first, make sure that an existing one isn't in + * progress + */ + + walk_revs_populate_todo(&todo_list, opts); + if (create_seq_dir() < 0) { + error(_("A cherry-pick or revert is in progress.")); + advise(_("Use --continue to continue the operation")); + advise(_("or --reset to forget about it")); + return -1; + } + if (get_sha1("HEAD", sha1)) { + if (opts->action == REVERT) + return error(_("Can't revert as initial commit")); + return error(_("Can't cherry-pick into empty head")); + } + save_head(sha1_to_hex(sha1)); + save_opts(opts); + } + return pick_commits(todo_list, opts); +error: + return error(_("No %s in progress"), action_name(opts)); +} + int cmd_revert(int argc, const char **argv, const char *prefix) { + struct replay_opts opts; + int res; + + memset(&opts, 0, sizeof(opts)); if (isatty(0)) - edit = 1; - action = REVERT; - return revert_or_cherry_pick(argc, argv); + opts.edit = 1; + opts.action = REVERT; + git_config(git_default_config, NULL); + parse_args(argc, argv, &opts); + res = pick_revisions(&opts); + if (res < 0) + die(_("revert failed")); + return res; } int cmd_cherry_pick(int argc, const char **argv, const char *prefix) { - action = CHERRY_PICK; - return revert_or_cherry_pick(argc, argv); + struct replay_opts opts; + int res; + + memset(&opts, 0, sizeof(opts)); + opts.action = CHERRY_PICK; + git_config(git_default_config, NULL); + parse_args(argc, argv, &opts); + res = pick_revisions(&opts); + if (res < 0) + die(_("cherry-pick failed")); + return res; } diff --git a/builtin/show-branch.c b/builtin/show-branch.c index facc63a..4b480d7 100644 --- a/builtin/show-branch.c +++ b/builtin/show-branch.c @@ -26,14 +26,14 @@ static const char **default_arg; static const char *get_color_code(int idx) { - if (showbranch_use_color) + if (want_color(showbranch_use_color)) return column_colors_ansi[idx % column_colors_ansi_max]; return ""; } static const char *get_color_reset_code(void) { - if (showbranch_use_color) + if (want_color(showbranch_use_color)) return GIT_COLOR_RESET; return ""; } @@ -573,7 +573,7 @@ static int git_show_branch_config(const char *var, const char *value, void *cb) } if (!strcmp(var, "color.showbranch")) { - showbranch_use_color = git_config_colorbool(var, value, -1); + showbranch_use_color = git_config_colorbool(var, value); return 0; } @@ -685,9 +685,6 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) git_config(git_show_branch_config, NULL); - if (showbranch_use_color == -1) - showbranch_use_color = git_use_color_default; - /* If nothing is specified, try the default first */ if (ac == 1 && default_num) { ac = default_num; diff --git a/builtin/tag.c b/builtin/tag.c index e311911..9d89616 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -12,11 +12,13 @@ #include "tag.h" #include "run-command.h" #include "parse-options.h" +#include "diff.h" +#include "revision.h" static const char * const git_tag_usage[] = { "git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]", "git tag -d <tagname>...", - "git tag -l [-n[<num>]] [<pattern>]", + "git tag -l [-n[<num>]] [<pattern>...]", "git tag -v <tagname>...", NULL }; @@ -24,17 +26,70 @@ static const char * const git_tag_usage[] = { static char signingkey[1000]; struct tag_filter { - const char *pattern; + const char **patterns; int lines; struct commit_list *with_commit; }; +static int match_pattern(const char **patterns, const char *ref) +{ + /* no pattern means match everything */ + if (!*patterns) + return 1; + for (; *patterns; patterns++) + if (!fnmatch(*patterns, ref, 0)) + return 1; + return 0; +} + +static int in_commit_list(const struct commit_list *want, struct commit *c) +{ + for (; want; want = want->next) + if (!hashcmp(want->item->object.sha1, c->object.sha1)) + return 1; + return 0; +} + +static int contains_recurse(struct commit *candidate, + const struct commit_list *want) +{ + struct commit_list *p; + + /* was it previously marked as containing a want commit? */ + if (candidate->object.flags & TMP_MARK) + return 1; + /* or marked as not possibly containing a want commit? */ + if (candidate->object.flags & UNINTERESTING) + return 0; + /* or are we it? */ + if (in_commit_list(want, candidate)) + return 1; + + if (parse_commit(candidate) < 0) + return 0; + + /* Otherwise recurse and mark ourselves for future traversals. */ + for (p = candidate->parents; p; p = p->next) { + if (contains_recurse(p->item, want)) { + candidate->object.flags |= TMP_MARK; + return 1; + } + } + candidate->object.flags |= UNINTERESTING; + return 0; +} + +static int contains(struct commit *candidate, const struct commit_list *want) +{ + return contains_recurse(candidate, want); +} + static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { struct tag_filter *filter = cb_data; - if (!fnmatch(filter->pattern, refname, 0)) { + if (match_pattern(filter->patterns, refname)) { int i; unsigned long size; enum object_type type; @@ -47,7 +102,7 @@ static int show_reference(const char *refname, const unsigned char *sha1, commit = lookup_commit_reference_gently(sha1, 1); if (!commit) return 0; - if (!is_descendant_of(commit, filter->with_commit)) + if (!contains(commit, filter->with_commit)) return 0; } @@ -88,15 +143,12 @@ static int show_reference(const char *refname, const unsigned char *sha1, return 0; } -static int list_tags(const char *pattern, int lines, +static int list_tags(const char **patterns, int lines, struct commit_list *with_commit) { struct tag_filter filter; - if (pattern == NULL) - pattern = "*"; - - filter.pattern = pattern; + filter.patterns = patterns; filter.lines = lines; filter.with_commit = with_commit; @@ -425,7 +477,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) if (list + delete + verify > 1) usage_with_options(git_tag_usage, options); if (list) - return list_tags(argv[0], lines == -1 ? 0 : lines, + return list_tags(argv, lines == -1 ? 0 : lines, with_commit); if (lines != -1) die(_("-n option is only allowed with -l.")); diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c index f63973c..14e04e6 100644 --- a/builtin/unpack-objects.c +++ b/builtin/unpack-objects.c @@ -90,7 +90,7 @@ static void use(int bytes) static void *get_data(unsigned long size) { - z_stream stream; + git_zstream stream; void *buf = xmalloc(size); memset(&stream, 0, sizeof(stream)); diff --git a/builtin/update-ref.c b/builtin/update-ref.c index 76ba1d5..835c62a 100644 --- a/builtin/update-ref.c +++ b/builtin/update-ref.c @@ -11,7 +11,7 @@ static const char * const git_update_ref_usage[] = { int cmd_update_ref(int argc, const char **argv, const char *prefix) { - const char *refname, *oldval, *msg=NULL; + const char *refname, *oldval, *msg = NULL; unsigned char sha1[20], oldsha1[20]; int delete = 0, no_deref = 0, flags = 0; struct option options[] = { diff --git a/builtin/upload-archive.c b/builtin/upload-archive.c index 73f788e..2d0b383 100644 --- a/builtin/upload-archive.c +++ b/builtin/upload-archive.c @@ -64,7 +64,7 @@ static int run_upload_archive(int argc, const char **argv, const char *prefix) sent_argv[sent_argc] = NULL; /* parse all options sent by the client */ - return write_archive(sent_argc, sent_argv, prefix, 0); + return write_archive(sent_argc, sent_argv, prefix, 0, NULL, 1); } __attribute__((format (printf, 1, 2))) diff --git a/builtin/verify-pack.c b/builtin/verify-pack.c index b6079ae..e841b4a 100644 --- a/builtin/verify-pack.c +++ b/builtin/verify-pack.c @@ -1,134 +1,53 @@ #include "builtin.h" #include "cache.h" -#include "pack.h" -#include "pack-revindex.h" +#include "run-command.h" #include "parse-options.h" -#define MAX_CHAIN 50 - #define VERIFY_PACK_VERBOSE 01 #define VERIFY_PACK_STAT_ONLY 02 -static void show_pack_info(struct packed_git *p, unsigned int flags) -{ - uint32_t nr_objects, i; - int cnt; - int stat_only = flags & VERIFY_PACK_STAT_ONLY; - unsigned long chain_histogram[MAX_CHAIN+1], baseobjects; - - nr_objects = p->num_objects; - memset(chain_histogram, 0, sizeof(chain_histogram)); - baseobjects = 0; - - for (i = 0; i < nr_objects; i++) { - const unsigned char *sha1; - unsigned char base_sha1[20]; - const char *type; - unsigned long size; - unsigned long store_size; - off_t offset; - unsigned int delta_chain_length; - - sha1 = nth_packed_object_sha1(p, i); - if (!sha1) - die("internal error pack-check nth-packed-object"); - offset = nth_packed_object_offset(p, i); - type = packed_object_info_detail(p, offset, &size, &store_size, - &delta_chain_length, - base_sha1); - if (!stat_only) - printf("%s ", sha1_to_hex(sha1)); - if (!delta_chain_length) { - if (!stat_only) - printf("%-6s %lu %lu %"PRIuMAX"\n", - type, size, store_size, (uintmax_t)offset); - baseobjects++; - } - else { - if (!stat_only) - printf("%-6s %lu %lu %"PRIuMAX" %u %s\n", - type, size, store_size, (uintmax_t)offset, - delta_chain_length, sha1_to_hex(base_sha1)); - if (delta_chain_length <= MAX_CHAIN) - chain_histogram[delta_chain_length]++; - else - chain_histogram[0]++; - } - } - - if (baseobjects) - printf("non delta: %lu object%s\n", - baseobjects, baseobjects > 1 ? "s" : ""); - - for (cnt = 1; cnt <= MAX_CHAIN; cnt++) { - if (!chain_histogram[cnt]) - continue; - printf("chain length = %d: %lu object%s\n", cnt, - chain_histogram[cnt], - chain_histogram[cnt] > 1 ? "s" : ""); - } - if (chain_histogram[0]) - printf("chain length > %d: %lu object%s\n", MAX_CHAIN, - chain_histogram[0], - chain_histogram[0] > 1 ? "s" : ""); -} - static int verify_one_pack(const char *path, unsigned int flags) { - char arg[PATH_MAX]; - int len; + struct child_process index_pack; + const char *argv[] = {"index-pack", NULL, NULL, NULL }; + struct strbuf arg = STRBUF_INIT; int verbose = flags & VERIFY_PACK_VERBOSE; int stat_only = flags & VERIFY_PACK_STAT_ONLY; - struct packed_git *pack; int err; - len = strlcpy(arg, path, PATH_MAX); - if (len >= PATH_MAX) - return error("name too long: %s", path); - - /* - * In addition to "foo.idx" we accept "foo.pack" and "foo"; - * normalize these forms to "foo.idx" for add_packed_git(). - */ - if (has_extension(arg, ".pack")) { - strcpy(arg + len - 5, ".idx"); - len--; - } else if (!has_extension(arg, ".idx")) { - if (len + 4 >= PATH_MAX) - return error("name too long: %s.idx", arg); - strcpy(arg + len, ".idx"); - len += 4; - } + if (stat_only) + argv[1] = "--verify-stat-only"; + else if (verbose) + argv[1] = "--verify-stat"; + else + argv[1] = "--verify"; /* - * add_packed_git() uses our buffer (containing "foo.idx") to - * build the pack filename ("foo.pack"). Make sure it fits. + * In addition to "foo.pack" we accept "foo.idx" and "foo"; + * normalize these forms to "foo.pack" for "index-pack --verify". */ - if (len + 1 >= PATH_MAX) { - arg[len - 4] = '\0'; - return error("name too long: %s.pack", arg); - } - - pack = add_packed_git(arg, len, 1); - if (!pack) - return error("packfile %s not found.", arg); + strbuf_addstr(&arg, path); + if (has_extension(arg.buf, ".idx")) + strbuf_splice(&arg, arg.len - 3, 3, "pack", 4); + else if (!has_extension(arg.buf, ".pack")) + strbuf_add(&arg, ".pack", 5); + argv[2] = arg.buf; - install_packed_git(pack); + memset(&index_pack, 0, sizeof(index_pack)); + index_pack.argv = argv; + index_pack.git_cmd = 1; - if (!stat_only) - err = verify_pack(pack); - else - err = open_pack_index(pack); + err = run_command(&index_pack); if (verbose || stat_only) { if (err) - printf("%s: bad\n", pack->pack_name); + printf("%s: bad\n", arg.buf); else { - show_pack_info(pack, flags); if (!stat_only) - printf("%s: ok\n", pack->pack_name); + printf("%s: ok\n", arg.buf); } } + strbuf_release(&arg); return err; } @@ -159,7 +78,6 @@ int cmd_verify_pack(int argc, const char **argv, const char *prefix) for (i = 0; i < argc; i++) { if (verify_one_pack(argv[i], flags)) err = 1; - discard_revindex(); } return err; |