/* * Builtin "git commit" * * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com> * Based on git-commit.sh by Junio C Hamano and Linus Torvalds */ #define USE_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "config.h" #include "lockfile.h" #include "cache-tree.h" #include "color.h" #include "dir.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" #include "string-list.h" #include "rerere.h" #include "unpack-trees.h" #include "quote.h" #include "submodule.h" #include "gpg-interface.h" #include "column.h" #include "sequencer.h" #include "mailmap.h" #include "help.h" #include "commit-reach.h" #include "commit-graph.h" static const char * const builtin_commit_usage[] = { N_("git commit [<options>] [--] <pathspec>..."), NULL }; static const char * const builtin_status_usage[] = { N_("git status [<options>] [--] <pathspec>..."), NULL }; static const char empty_amend_advice[] = N_("You asked to amend the most recent commit, but doing so would make\n" "it empty. You can repeat your command with --allow-empty, or you can\n" "remove the commit entirely with \"git reset HEAD^\".\n"); static const char empty_cherry_pick_advice[] = N_("The previous cherry-pick is now empty, possibly due to conflict resolution.\n" "If you wish to commit it anyway, use:\n" "\n" " git commit --allow-empty\n" "\n"); static const char empty_rebase_pick_advice[] = N_("Otherwise, please use 'git rebase --skip'\n"); static const char empty_cherry_pick_advice_single[] = N_("Otherwise, please use 'git cherry-pick --skip'\n"); static const char empty_cherry_pick_advice_multi[] = N_("and then use:\n" "\n" " git cherry-pick --continue\n" "\n" "to resume cherry-picking the remaining commits.\n" "If you wish to skip this commit, use:\n" "\n" " git cherry-pick --skip\n" "\n"); static const char *color_status_slots[] = { [WT_STATUS_HEADER] = "header", [WT_STATUS_UPDATED] = "updated", [WT_STATUS_CHANGED] = "changed", [WT_STATUS_UNTRACKED] = "untracked", [WT_STATUS_NOBRANCH] = "noBranch", [WT_STATUS_UNMERGED] = "unmerged", [WT_STATUS_LOCAL_BRANCH] = "localBranch", [WT_STATUS_REMOTE_BRANCH] = "remoteBranch", [WT_STATUS_ONBRANCH] = "branch", }; static const char *use_message_buffer; static struct lock_file index_lock; /* real index */ static struct lock_file false_lock; /* used only for partial commits */ static enum { COMMIT_AS_IS = 1, COMMIT_NORMAL, COMMIT_PARTIAL } commit_style; static const char *logfile, *force_author; static const char *template_file; /* * The _message variables are commit names from which to take * the commit message and/or authorship. */ static const char *author_message, *author_message_buffer; static char *edit_message, *use_message; static char *fixup_message, *squash_message; static int all, also, interactive, patch_interactive, only, amend, signoff; static int edit_flag = -1; /* unspecified */ static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship; static int config_commit_verbose = -1; /* unspecified */ static int no_post_rewrite, allow_empty_message, pathspec_file_nul; static char *untracked_files_arg, *force_date, *ignore_submodule_arg, *ignored_arg; static char *sign_commit, *pathspec_from_file; /* * The default commit message cleanup mode will remove the lines * beginning with # (shell comments) and leading and trailing * whitespaces (empty lines or containing only whitespaces) * if editor is used, and only the whitespaces if the message * is specified explicitly. */ static enum commit_msg_cleanup_mode cleanup_mode; static const char *cleanup_arg; static enum commit_whence whence; static int use_editor = 1, include_status = 1; static int have_option_m; static struct strbuf message = STRBUF_INIT; static enum wt_status_format status_format = STATUS_FORMAT_UNSPECIFIED; static int opt_parse_porcelain(const struct option *opt, const char *arg, int unset) { enum wt_status_format *value = (enum wt_status_format *)opt->value; if (unset) *value = STATUS_FORMAT_NONE; else if (!arg) *value = STATUS_FORMAT_PORCELAIN; else if (!strcmp(arg, "v1") || !strcmp(arg, "1")) *value = STATUS_FORMAT_PORCELAIN; else if (!strcmp(arg, "v2") || !strcmp(arg, "2")) *value = STATUS_FORMAT_PORCELAIN_V2; else die("unsupported porcelain version '%s'", arg); return 0; } static int opt_parse_m(const struct option *opt, const char *arg, int unset) { struct strbuf *buf = opt->value; if (unset) { have_option_m = 0; strbuf_setlen(buf, 0); } else { have_option_m = 1; if (buf->len) strbuf_addch(buf, '\n'); strbuf_addstr(buf, arg); strbuf_complete_line(buf); } return 0; } static int opt_parse_rename_score(const struct option *opt, const char *arg, int unset) { const char **value = opt->value; BUG_ON_OPT_NEG(unset); if (arg != NULL && *arg == '=') arg = arg + 1; *value = arg; return 0; } static void determine_whence(struct wt_status *s) { if (file_exists(git_path_merge_head(the_repository))) whence = FROM_MERGE; else if (!sequencer_determine_whence(the_repository, &whence)) whence = FROM_COMMIT; if (s) s->whence = whence; } static void status_init_config(struct wt_status *s, config_fn_t fn) { wt_status_prepare(the_repository, s); init_diff_ui_defaults(); git_config(fn, s); determine_whence(s); s->hints = advice_status_hints; /* must come after git_config() */ } static void rollback_index_files(void) { switch (commit_style) { case COMMIT_AS_IS: break; /* nothing to do */ case COMMIT_NORMAL: rollback_lock_file(&index_lock); break; case COMMIT_PARTIAL: rollback_lock_file(&index_lock); rollback_lock_file(&false_lock); break; } } static int commit_index_files(void) { int err = 0; switch (commit_style) { case COMMIT_AS_IS: break; /* nothing to do */ case COMMIT_NORMAL: err = commit_lock_file(&index_lock); break; case COMMIT_PARTIAL: err = commit_lock_file(&index_lock); rollback_lock_file(&false_lock); break; } return err; } /* * Take a union of paths in the index and the named tree (typically, "HEAD"), * and return the paths that match the given pattern in list. */ static int list_paths(struct string_list *list, const char *with_tree, const struct pathspec *pattern) { int i, ret; char *m; if (!pattern->nr) return 0; m = xcalloc(1, pattern->nr); if (with_tree) { char *max_prefix = common_prefix(pattern); overlay_tree_on_index(&the_index, with_tree, max_prefix); free(max_prefix); } for (i = 0; i < active_nr; i++) { const struct cache_entry *ce = active_cache[i]; struct string_list_item *item; if (ce->ce_flags & CE_UPDATE) continue; if (!ce_path_match(&the_index, ce, pattern, m)) continue; item = string_list_insert(list, ce->name); if (ce_skip_worktree(ce)) item->util = item; /* better a valid pointer than a fake one */ } ret = report_path_error(m, pattern); free(m); return ret; } static void add_remove_files(struct string_list *list) { int i; for (i = 0; i < list->nr; i++) { struct stat st; struct string_list_item *p = &(list->items[i]); /* p->util is skip-worktree */ if (p->util) continue; if (!lstat(p->string, &st)) { if (add_to_cache(p->string, &st, 0)) die(_("updating files failed")); } else remove_file_from_cache(p->string); } } static void create_base_index(const struct commit *current_head) { struct tree *tree; struct unpack_trees_options opts; struct tree_desc t; if (!current_head) { discard_cache(); return; } memset(&opts, 0, sizeof(opts)); opts.head_idx = 1; opts.index_only = 1; opts.merge = 1; opts.src_index = &the_index; opts.dst_index = &the_index; opts.fn = oneway_merge; tree = parse_tree_indirect(¤t_head->object.oid); if (!tree) die(_("failed to unpack HEAD tree object")); parse_tree(tree); init_tree_desc(&t, tree->buffer, tree->size); if (unpack_trees(1, &t, &opts)) exit(128); /* We've already reported the error, finish dying */ } static void refresh_cache_or_die(int refresh_flags) { /* * refresh_flags contains REFRESH_QUIET, so the only errors * are for unmerged entries. */ if (refresh_cache(refresh_flags | REFRESH_IN_PORCELAIN)) die_resolve_conflict("commit"); } static const char *prepare_index(const char **argv, const char *prefix, const struct commit *current_head, int is_status) { struct string_list partial = STRING_LIST_INIT_DUP; struct pathspec pathspec; int refresh_flags = REFRESH_QUIET; const char *ret; if (is_status) refresh_flags |= REFRESH_UNMERGED; parse_pathspec(&pathspec, 0, PATHSPEC_PREFER_FULL, prefix, argv); if (pathspec_from_file) { if (interactive) die(_("--pathspec-from-file is incompatible with --interactive/--patch")); if (all) die(_("--pathspec-from-file with -a does not make sense")); if (pathspec.nr) die(_("--pathspec-from-file is incompatible with pathspec arguments")); parse_pathspec_file(&pathspec, 0, PATHSPEC_PREFER_FULL, prefix, pathspec_from_file, pathspec_file_nul); } else if (pathspec_file_nul) { die(_("--pathspec-file-nul requires --pathspec-from-file")); } if (!pathspec.nr && (also || (only && !amend && !allow_empty))) die(_("No paths with --include/--only does not make sense.")); if (read_cache_preload(&pathspec) < 0) die(_("index file corrupt")); if (interactive) { char *old_index_env = NULL, *old_repo_index_file; hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR); refresh_cache_or_die(refresh_flags); if (write_locked_index(&the_index, &index_lock, 0)) die(_("unable to create temporary index")); old_repo_index_file = the_repository->index_file; the_repository->index_file = (char *)get_lock_file_path(&index_lock); old_index_env = xstrdup_or_null(getenv(INDEX_ENVIRONMENT)); setenv(INDEX_ENVIRONMENT, the_repository->index_file, 1); if (interactive_add(argv, prefix, patch_interactive) != 0) die(_("interactive add failed")); the_repository->index_file = old_repo_index_file; if (old_index_env && *old_index_env) setenv(INDEX_ENVIRONMENT, old_index_env, 1); else unsetenv(INDEX_ENVIRONMENT); FREE_AND_NULL(old_index_env); discard_cache(); read_cache_from(get_lock_file_path(&index_lock)); if (update_main_cache_tree(WRITE_TREE_SILENT) == 0) { if (reopen_lock_file(&index_lock) < 0) die(_("unable to write index file")); if (write_locked_index(&the_index, &index_lock, 0)) die(_("unable to update temporary index")); } else warning(_("Failed to update main cache tree")); commit_style = COMMIT_NORMAL; ret = get_lock_file_path(&index_lock); goto out; } /* * Non partial, non as-is commit. * * (1) get the real index; * (2) update the_index as necessary; * (3) write the_index out to the real index (still locked); * (4) return the name of the locked index file. * * The caller should run hooks on the locked real index, and * (A) if all goes well, commit the real index; * (B) on failure, rollback the real index. */ if (all || (also && pathspec.nr)) { hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR); add_files_to_cache(also ? prefix : NULL, &pathspec, 0); refresh_cache_or_die(refresh_flags); update_main_cache_tree(WRITE_TREE_SILENT); if (write_locked_index(&the_index, &index_lock, 0)) die(_("unable to write new_index file")); commit_style = COMMIT_NORMAL; ret = get_lock_file_path(&index_lock); goto out; } /* * As-is commit. * * (1) return the name of the real index file. * * The caller should run hooks on the real index, * and create commit from the_index. * We still need to refresh the index here. */ if (!only && !pathspec.nr) { hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR); refresh_cache_or_die(refresh_flags); if (active_cache_changed || !cache_tree_fully_valid(active_cache_tree)) update_main_cache_tree(WRITE_TREE_SILENT); if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK | SKIP_IF_UNCHANGED)) die(_("unable to write new_index file")); commit_style = COMMIT_AS_IS; ret = get_index_file(); goto out; } /* * A partial commit. * * (0) find the set of affected paths; * (1) get lock on the real index file; * (2) update the_index with the given paths; * (3) write the_index out to the real index (still locked); * (4) get lock on the false index file; * (5) reset the_index from HEAD; * (6) update the_index the same way as (2); * (7) write the_index out to the false index file; * (8) return the name of the false index file (still locked); * * The caller should run hooks on the locked false index, and * create commit from it. Then * (A) if all goes well, commit the real index; * (B) on failure, rollback the real index; * In either case, rollback the false index. */ commit_style = COMMIT_PARTIAL; if (whence != FROM_COMMIT) { if (whence == FROM_MERGE) die(_("cannot do a partial commit during a merge.")); else if (is_from_cherry_pick(whence)) die(_("cannot do a partial commit during a cherry-pick.")); else if (is_from_rebase(whence)) die(_("cannot do a partial commit during a rebase.")); } if (list_paths(&partial, !current_head ? NULL : "HEAD", &pathspec)) exit(1); discard_cache(); if (read_cache() < 0) die(_("cannot read the index")); hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR); add_remove_files(&partial); refresh_cache(REFRESH_QUIET); update_main_cache_tree(WRITE_TREE_SILENT); if (write_locked_index(&the_index, &index_lock, 0)) die(_("unable to write new_index file")); hold_lock_file_for_update(&false_lock, git_path("next-index-%"PRIuMAX, (uintmax_t) getpid()), LOCK_DIE_ON_ERROR); create_base_index(current_head); add_remove_files(&partial); refresh_cache(REFRESH_QUIET); if (write_locked_index(&the_index, &false_lock, 0)) die(_("unable to write temporary index file")); discard_cache(); ret = get_lock_file_path(&false_lock); read_cache_from(ret); out: string_list_clear(&partial, 0); clear_pathspec(&pathspec); return ret; } static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn, struct wt_status *s) { struct object_id oid; if (s->relative_paths) s->prefix = prefix; if (amend) { s->amend = 1; s->reference = "HEAD^1"; } s->verbose = verbose; s->index_file = index_file; s->fp = fp; s->nowarn = nowarn; s->is_initial = get_oid(s->reference, &oid) ? 1 : 0; if (!s->is_initial) oidcpy(&s->oid_commit, &oid); s->status_format = status_format; s->ignore_submodule_arg = ignore_submodule_arg; wt_status_collect(s); wt_status_print(s); wt_status_collect_free_buffers(s); return s->committable; } static int is_a_merge(const struct commit *current_head) { return !!(current_head->parents && current_head->parents->next); } static void assert_split_ident(struct ident_split *id, const struct strbuf *buf) { if (split_ident_line(id, buf->buf, buf->len) || !id->date_begin) BUG("unable to parse our own ident: %s", buf->buf); } static void export_one(const char *var, const char *s, const char *e, int hack) { struct strbuf buf = STRBUF_INIT; if (hack) strbuf_addch(&buf, hack); strbuf_add(&buf, s, e - s); setenv(var, buf.buf, 1); strbuf_release(&buf); } static int parse_force_date(const char *in, struct strbuf *out) { strbuf_addch(out, '@'); if (parse_date(in, out) < 0) { int errors = 0; unsigned long t = approxidate_careful(in, &errors); if (errors) return -1; strbuf_addf(out, "%lu", t); } return 0; } static void set_ident_var(char **buf, char *val) { free(*buf); *buf = val; } static void determine_author_info(struct strbuf *author_ident) { char *name, *email, *date; struct ident_split author; name = xstrdup_or_null(getenv("GIT_AUTHOR_NAME")); email = xstrdup_or_null(getenv("GIT_AUTHOR_EMAIL")); date = xstrdup_or_null(getenv("GIT_AUTHOR_DATE")); if (author_message) { struct ident_split ident; size_t len; const char *a; a = find_commit_header(author_message_buffer, "author", &len); if (!a) die(_("commit '%s' lacks author header"), author_message); if (split_ident_line(&ident, a, len) < 0) die(_("commit '%s' has malformed author line"), author_message); set_ident_var(&name, xmemdupz(ident.name_begin, ident.name_end - ident.name_begin)); set_ident_var(&email, xmemdupz(ident.mail_begin, ident.mail_end - ident.mail_begin)); if (ident.date_begin) { struct strbuf date_buf = STRBUF_INIT; strbuf_addch(&date_buf, '@'); strbuf_add(&date_buf, ident.date_begin, ident.date_end - ident.date_begin); strbuf_addch(&date_buf, ' '); strbuf_add(&date_buf, ident.tz_begin, ident.tz_end - ident.tz_begin); set_ident_var(&date, strbuf_detach(&date_buf, NULL)); } } if (force_author) { struct ident_split ident; if (split_ident_line(&ident, force_author, strlen(force_author)) < 0) die(_("malformed --author parameter")); set_ident_var(&name, xmemdupz(ident.name_begin, ident.name_end - ident.name_begin)); set_ident_var(&email, xmemdupz(ident.mail_begin, ident.mail_end - ident.mail_begin)); } if (force_date) { struct strbuf date_buf = STRBUF_INIT; if (parse_force_date(force_date, &date_buf)) die(_("invalid date format: %s"), force_date); set_ident_var(&date, strbuf_detach(&date_buf, NULL)); } strbuf_addstr(author_ident, fmt_ident(name, email, WANT_AUTHOR_IDENT, date, IDENT_STRICT)); assert_split_ident(&author, author_ident); export_one("GIT_AUTHOR_NAME", author.name_begin, author.name_end, 0); export_one("GIT_AUTHOR_EMAIL", author.mail_begin, author.mail_end, 0); export_one("GIT_AUTHOR_DATE", author.date_begin, author.tz_end, '@'); free(name); free(email); free(date); } static int author_date_is_interesting(void) { return author_message || force_date; } static void adjust_comment_line_char(const struct strbuf *sb) { char candidates[] = "#;@!$%^&|:"; char *candidate; const char *p; comment_line_char = candidates[0]; if (!memchr(sb->buf, comment_line_char, sb->len)) return; p = sb->buf; candidate = strchr(candidates, *p); if (candidate) *candidate = ' '; for (p = sb->buf; *p; p++) { if ((p[0] == '\n' || p[0] == '\r') && p[1]) { candidate = strchr(candidates, p[1]); if (candidate) *candidate = ' '; } } for (p = candidates; *p == ' '; p++) ; if (!*p) die(_("unable to select a comment character that is not used\n" "in the current commit message")); comment_line_char = *p; } static int prepare_to_commit(const char *index_file, const char *prefix, struct commit *current_head, struct wt_status *s, struct strbuf *author_ident) { struct stat statbuf; struct strbuf committer_ident = STRBUF_INIT; int committable; struct strbuf sb = STRBUF_INIT; const char *hook_arg1 = NULL; const char *hook_arg2 = NULL; int clean_message_contents = (cleanup_mode != COMMIT_MSG_CLEANUP_NONE); int old_display_comment_prefix; int merge_contains_scissors = 0; /* This checks and barfs if author is badly specified */ determine_author_info(author_ident); if (!no_verify && run_commit_hook(use_editor, index_file, "pre-commit", NULL)) return 0; if (squash_message) { /* * Insert the proper subject line before other commit * message options add their content. */ if (use_message && !strcmp(use_message, squash_message)) strbuf_addstr(&sb, "squash! "); else { struct pretty_print_context ctx = {0}; struct commit *c; c = lookup_commit_reference_by_name(squash_message); if (!c) die(_("could not lookup commit %s"), squash_message); ctx.output_encoding = get_commit_output_encoding(); format_commit_message(c, "squash! %s\n\n", &sb, &ctx); } } if (have_option_m && !fixup_message) { strbuf_addbuf(&sb, &message); hook_arg1 = "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_errno(_("could not read log from standard input")); hook_arg1 = "message"; } else if (logfile) { if (strbuf_read_file(&sb, logfile, 0) < 0) die_errno(_("could not read log file '%s'"), logfile); hook_arg1 = "message"; } else if (use_message) { char *buffer; buffer = strstr(use_message_buffer, "\n\n"); if (buffer) strbuf_addstr(&sb, skip_blank_lines(buffer + 2)); hook_arg1 = "commit"; hook_arg2 = use_message; } else if (fixup_message) { struct pretty_print_context ctx = {0}; struct commit *commit; commit = lookup_commit_reference_by_name(fixup_message); if (!commit) die(_("could not lookup commit %s"), fixup_message); ctx.output_encoding = get_commit_output_encoding(); format_commit_message(commit, "fixup! %s\n\n", &sb, &ctx); if (have_option_m) strbuf_addbuf(&sb, &message); hook_arg1 = "message"; } else if (!stat(git_path_merge_msg(the_repository), &statbuf)) { size_t merge_msg_start; /* * prepend SQUASH_MSG here if it exists and a * "merge --squash" was originally performed */ if (!stat(git_path_squash_msg(the_repository), &statbuf)) { if (strbuf_read_file(&sb, git_path_squash_msg(the_repository), 0) < 0) die_errno(_("could not read SQUASH_MSG")); hook_arg1 = "squash"; } else hook_arg1 = "merge"; merge_msg_start = sb.len; if (strbuf_read_file(&sb, git_path_merge_msg(the_repository), 0) < 0) die_errno(_("could not read MERGE_MSG")); if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS && wt_status_locate_end(sb.buf + merge_msg_start, sb.len - merge_msg_start) < sb.len - merge_msg_start) merge_contains_scissors = 1; } else if (!stat(git_path_squash_msg(the_repository), &statbuf)) { if (strbuf_read_file(&sb, git_path_squash_msg(the_repository), 0) < 0) die_errno(_("could not read SQUASH_MSG")); hook_arg1 = "squash"; } else if (template_file) { if (strbuf_read_file(&sb, template_file, 0) < 0) die_errno(_("could not read '%s'"), template_file); hook_arg1 = "template"; clean_message_contents = 0; } /* * The remaining cases don't modify the template message, but * just set the argument(s) to the prepare-commit-msg hook. */ else if (whence == FROM_MERGE) hook_arg1 = "merge"; else if (is_from_cherry_pick(whence) || whence == FROM_REBASE_PICK) { hook_arg1 = "commit"; hook_arg2 = "CHERRY_PICK_HEAD"; } if (squash_message) { /* * If squash_commit was used for the commit subject, * then we're possibly hijacking other commit log options. * Reset the hook args to tell the real story. */ hook_arg1 = "message"; hook_arg2 = ""; } s->fp = fopen_for_writing(git_path_commit_editmsg()); if (s->fp == NULL) die_errno(_("could not open '%s'"), git_path_commit_editmsg()); /* Ignore status.displayCommentPrefix: we do need comments in COMMIT_EDITMSG. */ old_display_comment_prefix = s->display_comment_prefix; s->display_comment_prefix = 1; /* * Most hints are counter-productive when the commit has * already started. */ s->hints = 0; if (clean_message_contents) strbuf_stripspace(&sb, 0); if (signoff) append_signoff(&sb, ignore_non_trailer(sb.buf, sb.len), 0); if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len) die_errno(_("could not write commit template")); if (auto_comment_line_char) adjust_comment_line_char(&sb); strbuf_release(&sb); /* This checks if committer ident is explicitly given */ strbuf_addstr(&committer_ident, git_committer_info(IDENT_STRICT)); if (use_editor && include_status) { int ident_shown = 0; int saved_color_setting; struct ident_split ci, ai; if (whence != FROM_COMMIT) { if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS && !merge_contains_scissors) wt_status_add_cut_line(s->fp); status_printf_ln( s, GIT_COLOR_NORMAL, whence == FROM_MERGE ? _("\n" "It looks like you may be committing a merge.\n" "If this is not correct, please run\n" " git update-ref -d MERGE_HEAD\n" "and try again.\n") : _("\n" "It looks like you may be committing a cherry-pick.\n" "If this is not correct, please run\n" " git update-ref -d CHERRY_PICK_HEAD\n" "and try again.\n")); } fprintf(s->fp, "\n"); if (cleanup_mode == COMMIT_MSG_CLEANUP_ALL) status_printf(s, GIT_COLOR_NORMAL, _("Please enter the commit message for your changes." " Lines starting\nwith '%c' will be ignored, and an empty" " message aborts the commit.\n"), comment_line_char); else if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) { if (whence == FROM_COMMIT && !merge_contains_scissors) wt_status_add_cut_line(s->fp); } else /* COMMIT_MSG_CLEANUP_SPACE, that is. */ status_printf(s, GIT_COLOR_NORMAL, _("Please enter the commit message for your changes." " Lines starting\n" "with '%c' will be kept; you may remove them" " yourself if you want to.\n" "An empty message aborts the commit.\n"), comment_line_char); /* * These should never fail because they come from our own * fmt_ident. They may fail the sane_ident test, but we know * that the name and mail pointers will at least be valid, * which is enough for our tests and printing here. */ assert_split_ident(&ai, author_ident); assert_split_ident(&ci, &committer_ident); if (ident_cmp(&ai, &ci)) status_printf_ln(s, GIT_COLOR_NORMAL, _("%s" "Author: %.*s <%.*s>"), ident_shown++ ? "" : "\n", (int)(ai.name_end - ai.name_begin), ai.name_begin, (int)(ai.mail_end - ai.mail_begin), ai.mail_begin); if (author_date_is_interesting()) status_printf_ln(s, GIT_COLOR_NORMAL, _("%s" "Date: %s"), ident_shown++ ? "" : "\n", show_ident_date(&ai, DATE_MODE(NORMAL))); if (!committer_ident_sufficiently_given()) status_printf_ln(s, GIT_COLOR_NORMAL, _("%s" "Committer: %.*s <%.*s>"), ident_shown++ ? "" : "\n", (int)(ci.name_end - ci.name_begin), ci.name_begin, (int)(ci.mail_end - ci.mail_begin), ci.mail_begin); status_printf_ln(s, GIT_COLOR_NORMAL, "%s", ""); /* Add new line for clarity */ saved_color_setting = s->use_color; s->use_color = 0; committable = run_status(s->fp, index_file, prefix, 1, s); s->use_color = saved_color_setting; string_list_clear(&s->change, 1); } else { struct object_id oid; const char *parent = "HEAD"; if (!active_nr && read_cache() < 0) die(_("Cannot read index")); if (amend) parent = "HEAD^1"; if (get_oid(parent, &oid)) { int i, ita_nr = 0; for (i = 0; i < active_nr; i++) if (ce_intent_to_add(active_cache[i])) ita_nr++; committable = active_nr - ita_nr > 0; } else { /* * Unless the user did explicitly request a submodule * ignore mode by passing a command line option we do * not ignore any changed submodule SHA-1s when * comparing index and parent, no matter what is * configured. Otherwise we won't commit any * submodules which were manually staged, which would * be really confusing. */ struct diff_flags flags = DIFF_FLAGS_INIT; flags.override_submodule_config = 1; if (ignore_submodule_arg && !strcmp(ignore_submodule_arg, "all")) flags.ignore_submodules = 1; committable = index_differs_from(the_repository, parent, &flags, 1); } } strbuf_release(&committer_ident); fclose(s->fp); /* * Reject an attempt to record a non-merge empty commit without * explicit --allow-empty. In the cherry-pick case, it may be * empty due to conflict resolution, which the user should okay. */ if (!committable && whence != FROM_MERGE && !allow_empty && !(amend && is_a_merge(current_head))) { s->hints = advice_status_hints; s->display_comment_prefix = old_display_comment_prefix; run_status(stdout, index_file, prefix, 0, s); if (amend) fputs(_(empty_amend_advice), stderr); else if (is_from_cherry_pick(whence) || whence == FROM_REBASE_PICK) { fputs(_(empty_cherry_pick_advice), stderr); if (whence == FROM_CHERRY_PICK_SINGLE) fputs(_(empty_cherry_pick_advice_single), stderr); else if (whence == FROM_CHERRY_PICK_MULTI) fputs(_(empty_cherry_pick_advice_multi), stderr); else fputs(_(empty_rebase_pick_advice), stderr); } return 0; } if (!no_verify && find_hook("pre-commit")) { /* * Re-read the index as pre-commit hook could have updated it, * and write it out as a tree. We must do this before we invoke * the editor and after we invoke run_status above. */ discard_cache(); } read_cache_from(index_file); if (update_main_cache_tree(0)) { error(_("Error building trees")); return 0; } if (run_commit_hook(use_editor, index_file, "prepare-commit-msg", git_path_commit_editmsg(), hook_arg1, hook_arg2, NULL)) return 0; if (use_editor) { struct strvec env = STRVEC_INIT; strvec_pushf(&env, "GIT_INDEX_FILE=%s", index_file); if (launch_editor(git_path_commit_editmsg(), NULL, env.v)) { fprintf(stderr, _("Please supply the message using either -m or -F option.\n")); exit(1); } strvec_clear(&env); } if (!no_verify && run_commit_hook(use_editor, index_file, "commit-msg", git_path_commit_editmsg(), NULL)) { return 0; } return 1; } static const char *find_author_by_nickname(const char *name) { struct rev_info revs; struct commit *commit; struct strbuf buf = STRBUF_INIT; struct string_list mailmap = STRING_LIST_INIT_NODUP; const char *av[20]; int ac = 0; repo_init_revisions(the_repository, &revs, NULL); strbuf_addf(&buf, "--author=%s", name); av[++ac] = "--all"; av[++ac] = "-i"; av[++ac] = buf.buf; av[++ac] = NULL; setup_revisions(ac, av, &revs, NULL); revs.mailmap = &mailmap; read_mailmap(revs.mailmap, NULL); if (prepare_revision_walk(&revs)) die(_("revision walk setup failed")); commit = get_revision(&revs); if (commit) { struct pretty_print_context ctx = {0}; ctx.date_mode.type = DATE_NORMAL; strbuf_release(&buf); format_commit_message(commit, "%aN <%aE>", &buf, &ctx); clear_mailmap(&mailmap); return strbuf_detach(&buf, NULL); } die(_("--author '%s' is not 'Name <email>' and matches no existing author"), name); } static void handle_ignored_arg(struct wt_status *s) { if (!ignored_arg) ; /* default already initialized */ else if (!strcmp(ignored_arg, "traditional")) s->show_ignored_mode = SHOW_TRADITIONAL_IGNORED; else if (!strcmp(ignored_arg, "no")) s->show_ignored_mode = SHOW_NO_IGNORED; else if (!strcmp(ignored_arg, "matching")) s->show_ignored_mode = SHOW_MATCHING_IGNORED; else die(_("Invalid ignored mode '%s'"), ignored_arg); } static void handle_untracked_files_arg(struct wt_status *s) { if (!untracked_files_arg) ; /* default already initialized */ else if (!strcmp(untracked_files_arg, "no")) s->show_untracked_files = SHOW_NO_UNTRACKED_FILES; else if (!strcmp(untracked_files_arg, "normal")) s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; else if (!strcmp(untracked_files_arg, "all")) s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES; /* * Please update $__git_untracked_file_modes in * git-completion.bash when you add new options */ else die(_("Invalid untracked files mode '%s'"), untracked_files_arg); } static const char *read_commit_message(const char *name) { const char *out_enc; struct commit *commit; commit = lookup_commit_reference_by_name(name); if (!commit) die(_("could not lookup commit %s"), name); out_enc = get_commit_output_encoding(); return logmsg_reencode(commit, NULL, out_enc); } /* * Enumerate what needs to be propagated when --porcelain * is not in effect here. */ static struct status_deferred_config { enum wt_status_format status_format; int show_branch; enum ahead_behind_flags ahead_behind; } status_deferred_config = { STATUS_FORMAT_UNSPECIFIED, -1, /* unspecified */ AHEAD_BEHIND_UNSPECIFIED, }; static void finalize_deferred_config(struct wt_status *s) { int use_deferred_config = (status_format != STATUS_FORMAT_PORCELAIN && status_format != STATUS_FORMAT_PORCELAIN_V2 && !s->null_termination); if (s->null_termination) { if (status_format == STATUS_FORMAT_NONE || status_format == STATUS_FORMAT_UNSPECIFIED) status_format = STATUS_FORMAT_PORCELAIN; else if (status_format == STATUS_FORMAT_LONG) die(_("--long and -z are incompatible")); } if (use_deferred_config && status_format == STATUS_FORMAT_UNSPECIFIED) status_format = status_deferred_config.status_format; if (status_format == STATUS_FORMAT_UNSPECIFIED) status_format = STATUS_FORMAT_NONE; if (use_deferred_config && s->show_branch < 0) s->show_branch = status_deferred_config.show_branch; if (s->show_branch < 0) s->show_branch = 0; /* * If the user did not give a "--[no]-ahead-behind" command * line argument *AND* we will print in a human-readable format * (short, long etc.) then we inherit from the status.aheadbehind * config setting. In all other cases (and porcelain V[12] formats * in particular), we inherit _FULL for backwards compatibility. */ if (use_deferred_config && s->ahead_behind_flags == AHEAD_BEHIND_UNSPECIFIED) s->ahead_behind_flags = status_deferred_config.ahead_behind; if (s->ahead_behind_flags == AHEAD_BEHIND_UNSPECIFIED) s->ahead_behind_flags = AHEAD_BEHIND_FULL; } static int parse_and_validate_options(int argc, const char *argv[], const struct option *options, const char * const usage[], const char *prefix, struct commit *current_head, struct wt_status *s) { int f = 0; argc = parse_options(argc, argv, prefix, options, usage, 0); finalize_deferred_config(s); if (force_author && !strchr(force_author, '>')) force_author = find_author_by_nickname(force_author); if (force_author && renew_authorship) die(_("Using both --reset-author and --author does not make sense")); if (logfile || have_option_m || use_message || fixup_message) use_editor = 0; if (0 <= edit_flag) use_editor = edit_flag; /* Sanity check options */ if (amend && !current_head) die(_("You have nothing to amend.")); if (amend && whence != FROM_COMMIT) { if (whence == FROM_MERGE) die(_("You are in the middle of a merge -- cannot amend.")); else if (is_from_cherry_pick(whence)) die(_("You are in the middle of a cherry-pick -- cannot amend.")); else if (whence == FROM_REBASE_PICK) die(_("You are in the middle of a rebase -- cannot amend.")); } if (fixup_message && squash_message) die(_("Options --squash and --fixup cannot be used together")); if (use_message) f++; if (edit_message) f++; if (fixup_message) f++; if (logfile) f++; if (f > 1) die(_("Only one of -c/-C/-F/--fixup can be used.")); if (have_option_m && (edit_message || use_message || logfile)) die((_("Option -m cannot be combined with -c/-C/-F."))); if (f || have_option_m) template_file = NULL; if (edit_message) use_message = edit_message; if (amend && !use_message && !fixup_message) use_message = "HEAD"; if (!use_message && !is_from_cherry_pick(whence) && !is_from_rebase(whence) && renew_authorship) die(_("--reset-author can be used only with -C, -c or --amend.")); if (use_message) { use_message_buffer = read_commit_message(use_message); if (!renew_authorship) { author_message = use_message; author_message_buffer = use_message_buffer; } } if ((is_from_cherry_pick(whence) || whence == FROM_REBASE_PICK) && !renew_authorship) { author_message = "CHERRY_PICK_HEAD"; author_message_buffer = read_commit_message(author_message); } if (patch_interactive) interactive = 1; if (also + only + all + interactive > 1) die(_("Only one of --include/--only/--all/--interactive/--patch can be used.")); cleanup_mode = get_cleanup_mode(cleanup_arg, use_editor); handle_untracked_files_arg(s); if (all && argc > 0) die(_("paths '%s ...' with -a does not make sense"), argv[0]); if (status_format != STATUS_FORMAT_NONE) dry_run = 1; return argc; } static int dry_run_commit(const char **argv, const char *prefix, const struct commit *current_head, struct wt_status *s) { int committable; const char *index_file; index_file = prepare_index(argv, prefix, current_head, 1); committable = run_status(stdout, index_file, prefix, 0, s); rollback_index_files(); return committable ? 0 : 1; } define_list_config_array_extra(color_status_slots, {"added"}); static int parse_status_slot(const char *slot) { if (!strcasecmp(slot, "added")) return WT_STATUS_UPDATED; return LOOKUP_CONFIG(color_status_slots, slot); } static int git_status_config(const char *k, const char *v, void *cb) { struct wt_status *s = cb; const char *slot_name; if (starts_with(k, "column.")) return git_column_config(k, v, "status", &s->colopts); if (!strcmp(k, "status.submodulesummary")) { int is_bool; s->submodule_summary = git_config_bool_or_int(k, v, &is_bool); if (is_bool && s->submodule_summary) s->submodule_summary = -1; return 0; } if (!strcmp(k, "status.short")) { if (git_config_bool(k, v)) status_deferred_config.status_format = STATUS_FORMAT_SHORT; else status_deferred_config.status_format = STATUS_FORMAT_NONE; return 0; } if (!strcmp(k, "status.branch")) { status_deferred_config.show_branch = git_config_bool(k, v); return 0; } if (!strcmp(k, "status.aheadbehind")) { status_deferred_config.ahead_behind = git_config_bool(k, v); return 0; } if (!strcmp(k, "status.showstash")) { s->show_stash = git_config_bool(k, v); return 0; } if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) { s->use_color = git_config_colorbool(k, v); return 0; } if (!strcmp(k, "status.displaycommentprefix")) { s->display_comment_prefix = git_config_bool(k, v); return 0; } if (skip_prefix(k, "status.color.", &slot_name) || skip_prefix(k, "color.status.", &slot_name)) { int slot = parse_status_slot(slot_name); if (slot < 0) return 0; if (!v) return config_error_nonbool(k); return color_parse(v, s->color_palette[slot]); } if (!strcmp(k, "status.relativepaths")) { s->relative_paths = git_config_bool(k, v); return 0; } if (!strcmp(k, "status.showuntrackedfiles")) { if (!v) return config_error_nonbool(k); else if (!strcmp(v, "no")) s->show_untracked_files = SHOW_NO_UNTRACKED_FILES; else if (!strcmp(v, "normal")) s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; else if (!strcmp(v, "all")) s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES; else return error(_("Invalid untracked files mode '%s'"), v); return 0; } if (!strcmp(k, "diff.renamelimit")) { if (s->rename_limit == -1) s->rename_limit = git_config_int(k, v); return 0; } if (!strcmp(k, "status.renamelimit")) { s->rename_limit = git_config_int(k, v); return 0; } if (!strcmp(k, "diff.renames")) { if (s->detect_rename == -1) s->detect_rename = git_config_rename(k, v); return 0; } if (!strcmp(k, "status.renames")) { s->detect_rename = git_config_rename(k, v); return 0; } return git_diff_ui_config(k, v, NULL); } int cmd_status(int argc, const char **argv, const char *prefix) { static int no_renames = -1; static const char *rename_score_arg = (const char *)-1; static struct wt_status s; unsigned int progress_flag = 0; int fd; struct object_id oid; static struct option builtin_status_options[] = { OPT__VERBOSE(&verbose, N_("be verbose")), OPT_SET_INT('s', "short", &status_format, N_("show status concisely"), STATUS_FORMAT_SHORT), OPT_BOOL('b', "branch", &s.show_branch, N_("show branch information")), OPT_BOOL(0, "show-stash", &s.show_stash, N_("show stash information")), OPT_BOOL(0, "ahead-behind", &s.ahead_behind_flags, N_("compute full ahead/behind values")), OPT_CALLBACK_F(0, "porcelain", &status_format, N_("version"), N_("machine-readable output"), PARSE_OPT_OPTARG, opt_parse_porcelain), OPT_SET_INT(0, "long", &status_format, N_("show status in long format (default)"), STATUS_FORMAT_LONG), OPT_BOOL('z', "null", &s.null_termination, N_("terminate entries with NUL")), { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, N_("mode"), N_("show untracked files, optional modes: all, normal, no. (Default: all)"), PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, { OPTION_STRING, 0, "ignored", &ignored_arg, N_("mode"), N_("show ignored files, optional modes: traditional, matching, no. (Default: traditional)"), PARSE_OPT_OPTARG, NULL, (intptr_t)"traditional" }, { OPTION_STRING, 0, "ignore-submodules", &ignore_submodule_arg, N_("when"), N_("ignore changes to submodules, optional when: all, dirty, untracked. (Default: all)"), PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, OPT_COLUMN(0, "column", &s.colopts, N_("list untracked files in columns")), OPT_BOOL(0, "no-renames", &no_renames, N_("do not detect renames")), OPT_CALLBACK_F('M', "find-renames", &rename_score_arg, N_("n"), N_("detect renames, optionally set similarity index"), PARSE_OPT_OPTARG | PARSE_OPT_NONEG, opt_parse_rename_score), OPT_END(), }; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_status_usage, builtin_status_options); status_init_config(&s, git_status_config); argc = parse_options(argc, argv, prefix, builtin_status_options, builtin_status_usage, 0); finalize_colopts(&s.colopts, -1); finalize_deferred_config(&s); handle_untracked_files_arg(&s); handle_ignored_arg(&s); if (s.show_ignored_mode == SHOW_MATCHING_IGNORED && s.show_untracked_files == SHOW_NO_UNTRACKED_FILES) die(_("Unsupported combination of ignored and untracked-files arguments")); parse_pathspec(&s.pathspec, 0, PATHSPEC_PREFER_FULL, prefix, argv); if (status_format != STATUS_FORMAT_PORCELAIN && status_format != STATUS_FORMAT_PORCELAIN_V2) progress_flag = REFRESH_PROGRESS; repo_read_index(the_repository); refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED|progress_flag, &s.pathspec, NULL, NULL); if (use_optional_locks()) fd = hold_locked_index(&index_lock, 0); else fd = -1; s.is_initial = get_oid(s.reference, &oid) ? 1 : 0; if (!s.is_initial) oidcpy(&s.oid_commit, &oid); s.ignore_submodule_arg = ignore_submodule_arg; s.status_format = status_format; s.verbose = verbose; if (no_renames != -1) s.detect_rename = !no_renames; if ((intptr_t)rename_score_arg != -1) { if (s.detect_rename < DIFF_DETECT_RENAME) s.detect_rename = DIFF_DETECT_RENAME; if (rename_score_arg) s.rename_score = parse_rename_score(&rename_score_arg); } wt_status_collect(&s); if (0 <= fd) repo_update_index_if_able(the_repository, &index_lock); if (s.relative_paths) s.prefix = prefix; wt_status_print(&s); wt_status_collect_free_buffers(&s); return 0; } static int git_commit_config(const char *k, const char *v, void *cb) { struct wt_status *s = cb; int status; if (!strcmp(k, "commit.template")) return git_config_pathname(&template_file, k, v); if (!strcmp(k, "commit.status")) { include_status = git_config_bool(k, v); return 0; } if (!strcmp(k, "commit.cleanup")) return git_config_string(&cleanup_arg, k, v); if (!strcmp(k, "commit.gpgsign")) { sign_commit = git_config_bool(k, v) ? "" : NULL; return 0; } if (!strcmp(k, "commit.verbose")) { int is_bool; config_commit_verbose = git_config_bool_or_int(k, v, &is_bool); return 0; } status = git_gpg_config(k, v, NULL); if (status) return status; return git_status_config(k, v, s); } int cmd_commit(int argc, const char **argv, const char *prefix) { static struct wt_status s; static struct option builtin_commit_options[] = { OPT__QUIET(&quiet, N_("suppress summary after successful commit")), OPT__VERBOSE(&verbose, N_("show diff in commit message template")), OPT_GROUP(N_("Commit message options")), OPT_FILENAME('F', "file", &logfile, N_("read message from file")), OPT_STRING(0, "author", &force_author, N_("author"), N_("override author for commit")), OPT_STRING(0, "date", &force_date, N_("date"), N_("override date for commit")), OPT_CALLBACK('m', "message", &message, N_("message"), N_("commit message"), opt_parse_m), OPT_STRING('c', "reedit-message", &edit_message, N_("commit"), N_("reuse and edit message from specified commit")), OPT_STRING('C', "reuse-message", &use_message, N_("commit"), N_("reuse message from specified commit")), OPT_STRING(0, "fixup", &fixup_message, N_("commit"), N_("use autosquash formatted message to fixup specified commit")), OPT_STRING(0, "squash", &squash_message, N_("commit"), N_("use autosquash formatted message to squash specified commit")), OPT_BOOL(0, "reset-author", &renew_authorship, N_("the commit is authored by me now (used with -C/-c/--amend)")), OPT_BOOL('s', "signoff", &signoff, N_("add a Signed-off-by trailer")), OPT_FILENAME('t', "template", &template_file, N_("use specified template file")), OPT_BOOL('e', "edit", &edit_flag, N_("force edit of commit")), OPT_CLEANUP(&cleanup_arg), OPT_BOOL(0, "status", &include_status, N_("include status in commit message template")), { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"), N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, /* end commit message options */ OPT_GROUP(N_("Commit contents options")), OPT_BOOL('a', "all", &all, N_("commit all changed files")), OPT_BOOL('i', "include", &also, N_("add specified files to index for commit")), OPT_BOOL(0, "interactive", &interactive, N_("interactively add files")), OPT_BOOL('p', "patch", &patch_interactive, N_("interactively add changes")), OPT_BOOL('o', "only", &only, N_("commit only specified files")), OPT_BOOL('n', "no-verify", &no_verify, N_("bypass pre-commit and commit-msg hooks")), OPT_BOOL(0, "dry-run", &dry_run, N_("show what would be committed")), OPT_SET_INT(0, "short", &status_format, N_("show status concisely"), STATUS_FORMAT_SHORT), OPT_BOOL(0, "branch", &s.show_branch, N_("show branch information")), OPT_BOOL(0, "ahead-behind", &s.ahead_behind_flags, N_("compute full ahead/behind values")), OPT_SET_INT(0, "porcelain", &status_format, N_("machine-readable output"), STATUS_FORMAT_PORCELAIN), OPT_SET_INT(0, "long", &status_format, N_("show status in long format (default)"), STATUS_FORMAT_LONG), OPT_BOOL('z', "null", &s.null_termination, N_("terminate entries with NUL")), OPT_BOOL(0, "amend", &amend, N_("amend previous commit")), OPT_BOOL(0, "no-post-rewrite", &no_post_rewrite, N_("bypass post-rewrite hook")), { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, N_("mode"), N_("show untracked files, optional modes: all, normal, no. (Default: all)"), PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, OPT_PATHSPEC_FROM_FILE(&pathspec_from_file), OPT_PATHSPEC_FILE_NUL(&pathspec_file_nul), /* end commit contents options */ OPT_HIDDEN_BOOL(0, "allow-empty", &allow_empty, N_("ok to record an empty change")), OPT_HIDDEN_BOOL(0, "allow-empty-message", &allow_empty_message, N_("ok to record a change with an empty message")), OPT_END() }; struct strbuf sb = STRBUF_INIT; struct strbuf author_ident = STRBUF_INIT; const char *index_file, *reflog_msg; struct object_id oid; struct commit_list *parents = NULL; struct stat statbuf; struct commit *current_head = NULL; struct commit_extra_header *extra = NULL; struct strbuf err = STRBUF_INIT; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_commit_usage, builtin_commit_options); status_init_config(&s, git_commit_config); s.commit_template = 1; status_format = STATUS_FORMAT_NONE; /* Ignore status.short */ s.colopts = 0; if (get_oid("HEAD", &oid)) current_head = NULL; else { current_head = lookup_commit_or_die(&oid, "HEAD"); if (parse_commit(current_head)) die(_("could not parse HEAD commit")); } verbose = -1; /* unspecified */ argc = parse_and_validate_options(argc, argv, builtin_commit_options, builtin_commit_usage, prefix, current_head, &s); if (verbose == -1) verbose = (config_commit_verbose < 0) ? 0 : config_commit_verbose; if (dry_run) return dry_run_commit(argv, prefix, current_head, &s); index_file = prepare_index(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, current_head, &s, &author_ident)) { rollback_index_files(); return 1; } /* Determine parents */ reflog_msg = getenv("GIT_REFLOG_ACTION"); if (!current_head) { if (!reflog_msg) reflog_msg = "commit (initial)"; } else if (amend) { if (!reflog_msg) reflog_msg = "commit (amend)"; parents = copy_commit_list(current_head->parents); } else if (whence == FROM_MERGE) { struct strbuf m = STRBUF_INIT; FILE *fp; int allow_fast_forward = 1; struct commit_list **pptr = &parents; if (!reflog_msg) reflog_msg = "commit (merge)"; pptr = commit_list_append(current_head, pptr); fp = xfopen(git_path_merge_head(the_repository), "r"); while (strbuf_getline_lf(&m, fp) != EOF) { struct commit *parent; parent = get_merge_parent(m.buf); if (!parent) die(_("Corrupt MERGE_HEAD file (%s)"), m.buf); pptr = commit_list_append(parent, pptr); } fclose(fp); strbuf_release(&m); if (!stat(git_path_merge_mode(the_repository), &statbuf)) { if (strbuf_read_file(&sb, git_path_merge_mode(the_repository), 0) < 0) die_errno(_("could not read MERGE_MODE")); if (!strcmp(sb.buf, "no-ff")) allow_fast_forward = 0; } if (allow_fast_forward) reduce_heads_replace(&parents); } else { if (!reflog_msg) reflog_msg = is_from_cherry_pick(whence) ? "commit (cherry-pick)" : is_from_rebase(whence) ? "commit (rebase)" : "commit"; commit_list_insert(current_head, &parents); } /* Finally, get the commit message */ strbuf_reset(&sb); if (strbuf_read_file(&sb, git_path_commit_editmsg(), 0) < 0) { int saved_errno = errno; rollback_index_files(); die(_("could not read commit message: %s"), strerror(saved_errno)); } cleanup_message(&sb, cleanup_mode, verbose); if (message_is_empty(&sb, cleanup_mode) && !allow_empty_message) { rollback_index_files(); fprintf(stderr, _("Aborting commit due to empty commit message.\n")); exit(1); } if (template_untouched(&sb, template_file, cleanup_mode) && !allow_empty_message) { rollback_index_files(); fprintf(stderr, _("Aborting commit; you did not edit the message.\n")); exit(1); } if (amend) { const char *exclude_gpgsig[3] = { "gpgsig", "gpgsig-sha256", NULL }; extra = read_commit_extra_headers(current_head, exclude_gpgsig); } else { struct commit_extra_header **tail = &extra; append_merge_tag_headers(parents, &tail); } if (commit_tree_extended(sb.buf, sb.len, &active_cache_tree->oid, parents, &oid, author_ident.buf, NULL, sign_commit, extra)) { rollback_index_files(); die(_("failed to write commit object")); } strbuf_release(&author_ident); free_commit_extra_headers(extra); if (update_head_with_reflog(current_head, &oid, reflog_msg, &sb, &err)) { rollback_index_files(); die("%s", err.buf); } sequencer_post_commit_cleanup(the_repository, 0); unlink(git_path_merge_head(the_repository)); unlink(git_path_merge_msg(the_repository)); unlink(git_path_merge_mode(the_repository)); unlink(git_path_squash_msg(the_repository)); if (commit_index_files()) die(_("repository has been updated, but unable to write\n" "new_index file. Check that disk is not full and quota is\n" "not exceeded, and then \"git restore --staged :/\" to recover.")); git_test_write_commit_graph_or_die(); repo_rerere(the_repository, 0); run_auto_maintenance(quiet); run_commit_hook(use_editor, get_index_file(), "post-commit", NULL); if (amend && !no_post_rewrite) { commit_post_rewrite(the_repository, current_head, &oid); } if (!quiet) { unsigned int flags = 0; if (!current_head) flags |= SUMMARY_INITIAL_COMMIT; if (author_date_is_interesting()) flags |= SUMMARY_SHOW_AUTHOR_DATE; print_commit_summary(the_repository, prefix, &oid, flags); } apply_autostash(git_path_merge_autostash(the_repository)); UNLEAK(err); UNLEAK(sb); return 0; }