diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Makefile | 9 | ||||
| -rw-r--r-- | builtin-commit.c | 614 | ||||
| -rw-r--r-- | builtin.h | 3 | ||||
| -rwxr-xr-x | contrib/examples/git-commit.sh (renamed from git-commit.sh) | 0 | ||||
| -rw-r--r-- | git.c | 3 |
6 files changed, 621 insertions, 9 deletions
@@ -109,7 +109,6 @@ git-rev-list git-rev-parse git-revert git-rm -git-runstatus git-send-email git-send-pack git-sh-setup @@ -213,7 +213,7 @@ BASIC_LDFLAGS = SCRIPT_SH = \ git-bisect.sh git-checkout.sh \ - git-clean.sh git-clone.sh git-commit.sh \ + git-clean.sh git-clone.sh \ git-ls-remote.sh \ git-merge-one-file.sh git-mergetool.sh git-parse-remote.sh \ git-pull.sh git-rebase.sh git-rebase--interactive.sh \ @@ -260,7 +260,7 @@ EXTRA_PROGRAMS = BUILT_INS = \ git-format-patch$X git-show$X git-whatchanged$X git-cherry$X \ git-get-tar-commit-id$X git-init$X git-repo-config$X \ - git-fsck-objects$X git-cherry-pick$X \ + git-fsck-objects$X git-cherry-pick$X git-status$X\ $(patsubst builtin-%.o,git-%$X,$(BUILTIN_OBJS)) # what 'all' will build and 'install' will install, in gitexecdir @@ -330,6 +330,7 @@ BUILTIN_OBJS = \ builtin-check-attr.o \ builtin-checkout-index.o \ builtin-check-ref-format.o \ + builtin-commit.o \ builtin-commit-tree.o \ builtin-count-objects.o \ builtin-describe.o \ @@ -369,7 +370,6 @@ BUILTIN_OBJS = \ builtin-rev-parse.o \ builtin-revert.o \ builtin-rm.o \ - builtin-runstatus.o \ builtin-shortlog.o \ builtin-show-branch.o \ builtin-stripspace.o \ @@ -838,9 +838,6 @@ $(patsubst %.perl,%,$(SCRIPT_PERL)): % : %.perl chmod +x $@+ && \ mv $@+ $@ -git-status: git-commit - $(QUIET_GEN)cp $< $@+ && mv $@+ $@ - gitweb/gitweb.cgi: gitweb/gitweb.perl $(QUIET_GEN)$(RM) $@ $@+ && \ sed -e '1s|#!.*perl|#!$(PERL_PATH_SQ)|' \ diff --git a/builtin-commit.c b/builtin-commit.c new file mode 100644 index 0000000..669cc6b --- /dev/null +++ b/builtin-commit.c @@ -0,0 +1,614 @@ +/* + * Builtin "git commit" + * + * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com> + * Based on git-commit.sh by Junio C Hamano and Linus Torvalds + */ + +#include "cache.h" +#include "cache-tree.h" +#include "builtin.h" +#include "diff.h" +#include "diffcore.h" +#include "commit.h" +#include "revision.h" +#include "wt-status.h" +#include "run-command.h" +#include "refs.h" +#include "log-tree.h" +#include "strbuf.h" +#include "utf8.h" +#include "parse-options.h" + +static const char * const builtin_commit_usage[] = { + "git-commit [options] [--] <filepattern>...", + NULL +}; + +static unsigned char head_sha1[20], merge_head_sha1[20]; +static char *use_message_buffer; +static const char commit_editmsg[] = "COMMIT_EDITMSG"; +static struct lock_file lock_file; + +static char *logfile, *force_author, *message, *template_file; +static char *edit_message, *use_message; +static int all, edit_flag, also, interactive, only, amend, signoff; +static int quiet, verbose, untracked_files, no_verify; + +static int no_edit, initial_commit, in_merge; +const char *only_include_assumed; + +static struct option builtin_commit_options[] = { + OPT__QUIET(&quiet), + OPT__VERBOSE(&verbose), + OPT_GROUP("Commit message options"), + + OPT_STRING('F', "file", &logfile, "FILE", "read log from file"), + OPT_STRING(0, "author", &force_author, "AUTHOR", "override author for commit"), + OPT_STRING('m', "message", &message, "MESSAGE", "specify commit message"), + OPT_STRING('c', "reedit-message", &edit_message, "COMMIT", "reuse and edit message from specified commit "), + OPT_STRING('C', "reuse-message", &use_message, "COMMIT", "reuse message from specified commit"), + OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by: header"), + OPT_STRING('t', "template", &template_file, "FILE", "use specified template file"), + OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"), + + OPT_GROUP("Commit contents options"), + OPT_BOOLEAN('a', "all", &all, "commit all changed files"), + OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"), + OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"), + OPT_BOOLEAN('o', "only", &only, ""), + OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"), + OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"), + OPT_BOOLEAN(0, "untracked-files", &untracked_files, "show all untracked files"), + + OPT_END() +}; + +static char *prepare_index(const char **files, const char *prefix) +{ + int fd; + struct tree *tree; + struct lock_file *next_index_lock; + + if (interactive) { + interactive_add(); + return get_index_file(); + } + + fd = hold_locked_index(&lock_file, 1); + if (read_cache() < 0) + die("index file corrupt"); + + if (all || also) { + add_files_to_cache(verbose, also ? prefix : NULL, files); + if (write_cache(fd, active_cache, active_nr) || close(fd)) + die("unable to write new_index file"); + return lock_file.filename; + } + + if (*files == NULL) { + /* Commit index as-is. */ + rollback_lock_file(&lock_file); + return get_index_file(); + } + + /* update the user index file */ + add_files_to_cache(verbose, prefix, files); + if (write_cache(fd, active_cache, active_nr) || close(fd)) + die("unable to write new_index file"); + + if (!initial_commit) { + tree = parse_tree_indirect(head_sha1); + if (!tree) + die("failed to unpack HEAD tree object"); + if (read_tree(tree, 0, NULL)) + die("failed to read HEAD tree object"); + } + + /* Use a lock file to garbage collect the temporary index file. */ + next_index_lock = xmalloc(sizeof(*next_index_lock)); + fd = hold_lock_file_for_update(next_index_lock, + git_path("next-index-%d", getpid()), 1); + add_files_to_cache(verbose, prefix, files); + if (write_cache(fd, active_cache, active_nr) || close(fd)) + die("unable to write new_index file"); + + return next_index_lock->filename; +} + +static int run_status(FILE *fp, const char *index_file) +{ + struct wt_status s; + + wt_status_prepare(&s); + + if (amend) { + s.amend = 1; + s.reference = "HEAD^1"; + } + s.verbose = verbose; + s.untracked = untracked_files; + s.index_file = index_file; + s.fp = fp; + + wt_status_print(&s); + + return s.commitable; +} + +static const char sign_off_header[] = "Signed-off-by: "; + +static int prepare_log_message(const char *index_file) +{ + struct stat statbuf; + int commitable; + struct strbuf sb; + char *buffer; + FILE *fp; + + strbuf_init(&sb, 0); + if (message) { + strbuf_add(&sb, message, strlen(message)); + } else if (logfile && !strcmp(logfile, "-")) { + if (isatty(0)) + fprintf(stderr, "(reading log message from standard input)\n"); + if (strbuf_read(&sb, 0, 0) < 0) + die("could not read log from standard input"); + } else if (logfile) { + if (strbuf_read_file(&sb, logfile, 0) < 0) + die("could not read log file '%s': %s", + logfile, strerror(errno)); + } else if (use_message) { + buffer = strstr(use_message_buffer, "\n\n"); + if (!buffer || buffer[2] == '\0') + die("commit has empty message"); + strbuf_add(&sb, buffer + 2, strlen(buffer + 2)); + } else if (!stat(git_path("MERGE_MSG"), &statbuf)) { + if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0) + die("could not read MERGE_MSG: %s", strerror(errno)); + } else if (!stat(git_path("SQUASH_MSG"), &statbuf)) { + if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0) + die("could not read SQUASH_MSG: %s", strerror(errno)); + } else if (template_file && !stat(template_file, &statbuf)) { + if (strbuf_read_file(&sb, template_file, 0) < 0) + die("could not read %s: %s", + template_file, strerror(errno)); + } + + fp = fopen(git_path(commit_editmsg), "w"); + if (fp == NULL) + die("could not open %s\n", git_path(commit_editmsg)); + + stripspace(&sb, 0); + if (fwrite(sb.buf, 1, sb.len, fp) < sb.len) + die("could not write commit template: %s\n", + strerror(errno)); + + if (signoff) { + const char *info, *bol; + + info = git_committer_info(1); + strbuf_addch(&sb, '\0'); + bol = strrchr(sb.buf + sb.len - 1, '\n'); + if (!bol || prefixcmp(bol, sign_off_header)) + fprintf(fp, "\n"); + fprintf(fp, "%s%s\n", sign_off_header, git_committer_info(1)); + } + + strbuf_release(&sb); + + if (in_merge && !no_edit) + fprintf(fp, + "#\n" + "# It looks like you may be committing a MERGE.\n" + "# If this is not correct, please remove the file\n" + "# %s\n" + "# and try again.\n" + "#\n", + git_path("MERGE_HEAD")); + + fprintf(fp, + "\n" + "# Please enter the commit message for your changes.\n" + "# (Comment lines starting with '#' will not be included)\n"); + if (only_include_assumed) + fprintf(fp, "# %s\n", only_include_assumed); + + commitable = run_status(fp, index_file); + + fclose(fp); + + return commitable; +} + +/* + * Find out if the message starting at position 'start' in the strbuf + * contains only whitespace and Signed-off-by lines. + */ +static int message_is_empty(struct strbuf *sb, int start) +{ + struct strbuf tmpl; + const char *nl; + int eol, i; + + /* See if the template is just a prefix of the message. */ + strbuf_init(&tmpl, 0); + if (template_file && strbuf_read_file(&tmpl, template_file, 0) > 0) { + stripspace(&tmpl, 1); + if (start + tmpl.len <= sb->len && + memcmp(tmpl.buf, sb->buf + start, tmpl.len) == 0) + start += tmpl.len; + } + strbuf_release(&tmpl); + + /* Check if the rest is just whitespace and Signed-of-by's. */ + for (i = start; i < sb->len; i++) { + nl = memchr(sb->buf + i, '\n', sb->len - i); + if (nl) + eol = nl - sb->buf; + else + eol = sb->len; + + if (strlen(sign_off_header) <= eol - i && + !prefixcmp(sb->buf + i, sign_off_header)) { + i = eol; + continue; + } + while (i < eol) + if (!isspace(sb->buf[i++])) + return 0; + } + + return 1; +} + +static void determine_author_info(struct strbuf *sb) +{ + char *name, *email, *date; + + name = getenv("GIT_AUTHOR_NAME"); + email = getenv("GIT_AUTHOR_EMAIL"); + date = getenv("GIT_AUTHOR_DATE"); + + if (use_message) { + const char *a, *lb, *rb, *eol; + + a = strstr(use_message_buffer, "\nauthor "); + if (!a) + die("invalid commit: %s\n", use_message); + + lb = strstr(a + 8, " <"); + rb = strstr(a + 8, "> "); + eol = strchr(a + 8, '\n'); + if (!lb || !rb || !eol) + die("invalid commit: %s\n", use_message); + + name = xstrndup(a + 8, lb - (a + 8)); + email = xstrndup(lb + 2, rb - (lb + 2)); + date = xstrndup(rb + 2, eol - (rb + 2)); + } + + if (force_author) { + const char *lb = strstr(force_author, " <"); + const char *rb = strchr(force_author, '>'); + + if (!lb || !rb) + die("malformed --author parameter\n"); + name = xstrndup(force_author, lb - force_author); + email = xstrndup(lb + 2, rb - (lb + 2)); + } + + strbuf_addf(sb, "author %s\n", fmt_ident(name, email, date, 1)); +} + +static int parse_and_validate_options(int argc, const char *argv[]) +{ + int f = 0; + + argc = parse_options(argc, argv, builtin_commit_options, + builtin_commit_usage, 0); + + if (logfile || message || use_message) + no_edit = 1; + if (edit_flag) + no_edit = 0; + + if (get_sha1("HEAD", head_sha1)) + initial_commit = 1; + + if (!get_sha1("MERGE_HEAD", merge_head_sha1)) + in_merge = 1; + + /* Sanity check options */ + if (amend && initial_commit) + die("You have nothing to amend."); + if (amend && in_merge) + die("You are in the middle of a merger -- cannot amend."); + + if (use_message) + f++; + if (edit_message) + f++; + if (logfile) + f++; + if (f > 1) + die("Only one of -c/-C/-F can be used."); + if (message && f > 0) + die("Option -m cannot be combined with -c/-C/-F."); + if (edit_message) + use_message = edit_message; + if (amend) + use_message = "HEAD"; + if (use_message) { + unsigned char sha1[20]; + static char utf8[] = "UTF-8"; + const char *out_enc; + char *enc, *end; + struct commit *commit; + + if (get_sha1(use_message, sha1)) + die("could not lookup commit %s", use_message); + commit = lookup_commit(sha1); + if (!commit || parse_commit(commit)) + die("could not parse commit %s", use_message); + + enc = strstr(commit->buffer, "\nencoding"); + if (enc) { + end = strchr(enc + 10, '\n'); + enc = xstrndup(enc + 10, end - (enc + 10)); + } else { + enc = utf8; + } + out_enc = git_commit_encoding ? git_commit_encoding : utf8; + + if (strcmp(out_enc, enc)) + use_message_buffer = + reencode_string(commit->buffer, out_enc, enc); + + /* + * If we failed to reencode the buffer, just copy it + * byte for byte so the user can try to fix it up. + * This also handles the case where input and output + * encodings are identical. + */ + if (use_message_buffer == NULL) + use_message_buffer = xstrdup(commit->buffer); + if (enc != utf8) + free(enc); + } + + if (!!also + !!only + !!all + !!interactive > 1) + die("Only one of --include/--only/--all/--interactive can be used."); + if (argc == 0 && (also || (only && !amend))) + die("No paths with --include/--only does not make sense."); + if (argc == 0 && only && amend) + only_include_assumed = "Clever... amending the last one with dirty index."; + if (argc > 0 && !also && !only) { + only_include_assumed = "Explicit paths specified without -i nor -o; assuming --only paths..."; + also = 0; + } + + if (all && argc > 0) + die("Paths with -a does not make sense."); + else if (interactive && argc > 0) + die("Paths with --interactive does not make sense."); + + return argc; +} + +int cmd_status(int argc, const char **argv, const char *prefix) +{ + const char *index_file; + int commitable; + + git_config(git_status_config); + + argc = parse_and_validate_options(argc, argv); + + index_file = prepare_index(argv, prefix); + + commitable = run_status(stdout, index_file); + + rollback_lock_file(&lock_file); + + return commitable ? 0 : 1; +} + +static int run_hook(const char *index_file, const char *name, const char *arg) +{ + struct child_process hook; + const char *argv[3], *env[2]; + char index[PATH_MAX]; + + argv[0] = git_path("hooks/%s", name); + argv[1] = arg; + argv[2] = NULL; + snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); + env[0] = index; + env[1] = NULL; + + if (access(argv[0], X_OK) < 0) + return 0; + + memset(&hook, 0, sizeof(hook)); + hook.argv = argv; + hook.no_stdin = 1; + hook.stdout_to_stderr = 1; + hook.env = env; + + return run_command(&hook); +} + +static void print_summary(const char *prefix, const unsigned char *sha1) +{ + struct rev_info rev; + struct commit *commit; + + commit = lookup_commit(sha1); + if (!commit) + die("couldn't look up newly created commit\n"); + if (!commit || parse_commit(commit)) + die("could not parse newly created commit"); + + init_revisions(&rev, prefix); + setup_revisions(0, NULL, &rev, NULL); + + rev.abbrev = 0; + rev.diff = 1; + rev.diffopt.output_format = + DIFF_FORMAT_SHORTSTAT | DIFF_FORMAT_SUMMARY; + + rev.verbose_header = 1; + rev.show_root_diff = 1; + rev.commit_format = get_commit_format("format:%h: %s"); + rev.always_show_header = 1; + + printf("Created %scommit ", initial_commit ? "initial " : ""); + + log_tree_commit(&rev, commit); +} + +int git_commit_config(const char *k, const char *v) +{ + if (!strcmp(k, "commit.template")) { + template_file = xstrdup(v); + return 0; + } + + return git_status_config(k, v); +} + +static const char commit_utf8_warn[] = +"Warning: commit message does not conform to UTF-8.\n" +"You may want to amend it after fixing the message, or set the config\n" +"variable i18n.commitencoding to the encoding your project uses.\n"; + +int cmd_commit(int argc, const char **argv, const char *prefix) +{ + int header_len, parent_count = 0; + struct strbuf sb; + const char *index_file, *reflog_msg; + char *nl, *header_line; + unsigned char commit_sha1[20]; + struct ref_lock *ref_lock; + + git_config(git_commit_config); + + argc = parse_and_validate_options(argc, argv); + + index_file = prepare_index(argv, prefix); + + if (!no_verify && run_hook(index_file, "pre-commit", NULL)) + exit(1); + + if (!prepare_log_message(index_file) && !in_merge) { + run_status(stdout, index_file); + unlink(commit_editmsg); + return 1; + } + + strbuf_init(&sb, 0); + + /* Start building up the commit header */ + read_cache_from(index_file); + active_cache_tree = cache_tree(); + if (cache_tree_update(active_cache_tree, + active_cache, active_nr, 0, 0) < 0) + die("Error building trees"); + strbuf_addf(&sb, "tree %s\n", + sha1_to_hex(active_cache_tree->sha1)); + + /* Determine parents */ + if (initial_commit) { + reflog_msg = "commit (initial)"; + parent_count = 0; + } else if (amend) { + struct commit_list *c; + struct commit *commit; + + 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) + strbuf_addf(&sb, "parent %s\n", + sha1_to_hex(c->item->object.sha1)); + } else if (in_merge) { + struct strbuf m; + FILE *fp; + + reflog_msg = "commit (merge)"; + strbuf_addf(&sb, "parent %s\n", sha1_to_hex(head_sha1)); + strbuf_init(&m, 0); + fp = fopen(git_path("MERGE_HEAD"), "r"); + if (fp == NULL) + die("could not open %s for reading: %s", + git_path("MERGE_HEAD"), strerror(errno)); + while (strbuf_getline(&m, fp, '\n') != EOF) + strbuf_addf(&sb, "parent %s\n", m.buf); + fclose(fp); + strbuf_release(&m); + } else { + reflog_msg = "commit"; + strbuf_addf(&sb, "parent %s\n", sha1_to_hex(head_sha1)); + } + + determine_author_info(&sb); + strbuf_addf(&sb, "committer %s\n", git_committer_info(1)); + if (!is_encoding_utf8(git_commit_encoding)) + strbuf_addf(&sb, "encoding %s\n", git_commit_encoding); + strbuf_addch(&sb, '\n'); + + /* Get the commit message and validate it */ + header_len = sb.len; + if (!no_edit) { + fprintf(stderr, "launching editor, log %s\n", logfile); + launch_editor(git_path(commit_editmsg), &sb); + } else if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) + die("could not read commit message\n"); + if (run_hook(index_file, "commit-msg", commit_editmsg)) + exit(1); + stripspace(&sb, 1); + if (sb.len < header_len || + message_is_empty(&sb, header_len)) + die("* no commit message? aborting commit."); + strbuf_addch(&sb, '\0'); + if (is_encoding_utf8(git_commit_encoding) && !is_utf8(sb.buf)) + fprintf(stderr, commit_utf8_warn); + + if (write_sha1_file(sb.buf, sb.len - 1, commit_type, commit_sha1)) + die("failed to write commit object"); + + ref_lock = lock_any_ref_for_update("HEAD", + initial_commit ? NULL : head_sha1, + 0); + + nl = strchr(sb.buf + header_len, '\n'); + header_line = xstrndup(sb.buf + header_len, + nl - (sb.buf + header_len)); + strbuf_release(&sb); + strbuf_addf(&sb, "%s: %s\n", reflog_msg, header_line); + strbuf_addch(&sb, '\0'); + free(header_line); + + if (!ref_lock) + die("cannot lock HEAD ref"); + if (write_ref_sha1(ref_lock, commit_sha1, sb.buf) < 0) + die("cannot update HEAD ref"); + + unlink(git_path("MERGE_HEAD")); + unlink(git_path("MERGE_MSG")); + + if (lock_file.filename[0] && commit_locked_index(&lock_file)) + die("failed to write new index"); + + rerere(); + + run_hook(index_file, "post-commit", NULL); + + if (!quiet) + print_summary(prefix, commit_sha1); + + return 0; +} @@ -24,6 +24,7 @@ extern int cmd_check_attr(int argc, const char **argv, const char *prefix); extern int cmd_check_ref_format(int argc, const char **argv, const char *prefix); extern int cmd_cherry(int argc, const char **argv, const char *prefix); extern int cmd_cherry_pick(int argc, const char **argv, const char *prefix); +extern int cmd_commit(int argc, const char **argv, const char *prefix); extern int cmd_commit_tree(int argc, const char **argv, const char *prefix); extern int cmd_count_objects(int argc, const char **argv, const char *prefix); extern int cmd_describe(int argc, const char **argv, const char *prefix); @@ -69,10 +70,10 @@ extern int cmd_rev_list(int argc, const char **argv, const char *prefix); extern int cmd_rev_parse(int argc, const char **argv, const char *prefix); extern int cmd_revert(int argc, const char **argv, const char *prefix); extern int cmd_rm(int argc, const char **argv, const char *prefix); -extern int cmd_runstatus(int argc, const char **argv, const char *prefix); extern int cmd_shortlog(int argc, const char **argv, const char *prefix); extern int cmd_show(int argc, const char **argv, const char *prefix); extern int cmd_show_branch(int argc, const char **argv, const char *prefix); +extern int cmd_status(int argc, const char **argv, const char *prefix); extern int cmd_stripspace(int argc, const char **argv, const char *prefix); extern int cmd_symbolic_ref(int argc, const char **argv, const char *prefix); extern int cmd_tag(int argc, const char **argv, const char *prefix); diff --git a/git-commit.sh b/contrib/examples/git-commit.sh index 4853397..4853397 100755 --- a/git-commit.sh +++ b/contrib/examples/git-commit.sh @@ -293,6 +293,7 @@ static void handle_internal_command(int argc, const char **argv) { "check-attr", cmd_check_attr, RUN_SETUP | NEED_WORK_TREE }, { "cherry", cmd_cherry, RUN_SETUP }, { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE }, + { "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE }, { "commit-tree", cmd_commit_tree, RUN_SETUP }, { "config", cmd_config }, { "count-objects", cmd_count_objects, RUN_SETUP }, @@ -342,10 +343,10 @@ static void handle_internal_command(int argc, const char **argv) { "rev-parse", cmd_rev_parse }, { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE }, { "rm", cmd_rm, RUN_SETUP }, - { "runstatus", cmd_runstatus, RUN_SETUP | NEED_WORK_TREE }, { "shortlog", cmd_shortlog, RUN_SETUP | USE_PAGER }, { "show-branch", cmd_show_branch, RUN_SETUP }, { "show", cmd_show, RUN_SETUP | USE_PAGER }, + { "status", cmd_status, RUN_SETUP | NEED_WORK_TREE }, { "stripspace", cmd_stripspace }, { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP }, { "tag", cmd_tag, RUN_SETUP }, |