1 files changed, 119 insertions, 45 deletions

diff --git a/builtin/commit.c b/builtin/commit.c
index 3767478..d28505a 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -113,6 +113,7 @@ static char *sign_commit;
 static enum {
 	CLEANUP_SPACE,
 	CLEANUP_NONE,
+	CLEANUP_SCISSORS,
 	CLEANUP_ALL
 } cleanup_mode;
 static const char *cleanup_arg;
@@ -234,7 +235,7 @@ static int list_paths(struct string_list *list, const char *with_tree,
 
 		if (ce->ce_flags & CE_UPDATE)
 			continue;
-		if (!match_pathspec_depth(pattern, ce->name, ce_namelen(ce), 0, m))
+		if (!ce_path_match(ce, pattern, m))
 			continue;
 		item = string_list_insert(list, ce->name);
 		if (ce_skip_worktree(ce))
@@ -307,7 +308,6 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
 	int fd;
 	struct string_list partial;
 	struct pathspec pathspec;
-	char *old_index_env = NULL;
 	int refresh_flags = REFRESH_QUIET;
 
 	if (is_status)
@@ -320,6 +320,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
 		die(_("index file corrupt"));
 
 	if (interactive) {
+		char *old_index_env = NULL;
 		fd = hold_locked_index(&index_lock, 1);
 
 		refresh_cache_or_die(refresh_flags);
@@ -525,10 +526,29 @@ static int sane_ident_split(struct ident_split *person)
 	return 1;
 }
 
+static int parse_force_date(const char *in, char *out, int len)
+{
+	if (len < 1)
+		return -1;
+	*out++ = '@';
+	len--;
+
+	if (parse_date(in, out, len) < 0) {
+		int errors = 0;
+		unsigned long t = approxidate_careful(in, &errors);
+		if (errors)
+			return -1;
+		snprintf(out, len, "%lu", t);
+	}
+
+	return 0;
+}
+
 static void determine_author_info(struct strbuf *author_ident)
 {
 	char *name, *email, *date;
 	struct ident_split author;
+	char date_buf[64];
 
 	name = getenv("GIT_AUTHOR_NAME");
 	email = getenv("GIT_AUTHOR_EMAIL");
@@ -573,8 +593,12 @@ static void determine_author_info(struct strbuf *author_ident)
 		email = xstrndup(lb + 2, rb - (lb + 2));
 	}
 
-	if (force_date)
-		date = force_date;
+	if (force_date) {
+		if (parse_force_date(force_date, date_buf, sizeof(date_buf)))
+			die(_("invalid date format: %s"), force_date);
+		date = date_buf;
+	}
+
 	strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_STRICT));
 	if (!split_ident_line(&author, author_ident->buf, author_ident->len) &&
 	    sane_ident_split(&author)) {
@@ -584,13 +608,16 @@ static void determine_author_info(struct strbuf *author_ident)
 	}
 }
 
-static char *cut_ident_timestamp_part(char *string)
+static void split_ident_or_die(struct ident_split *id, const struct strbuf *buf)
+{
+	if (split_ident_line(id, buf->buf, buf->len) ||
+	    !sane_ident_split(id))
+		die(_("Malformed ident string: '%s'"), buf->buf);
+}
+
+static int author_date_is_interesting(void)
 {
-	char *ket = strrchr(string, '>');
-	if (!ket || ket[1] != ' ')
-		die(_("Malformed ident string: '%s'"), string);
-	*++ket = '\0';
-	return ket;
+	return author_message || force_date;
 }
 
 static int prepare_to_commit(const char *index_file, const char *prefix,
@@ -600,19 +627,17 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 {
 	struct stat statbuf;
 	struct strbuf committer_ident = STRBUF_INIT;
-	int commitable, saved_color_setting;
+	int commitable;
 	struct strbuf sb = STRBUF_INIT;
-	char *buffer;
 	const char *hook_arg1 = NULL;
 	const char *hook_arg2 = NULL;
-	int ident_shown = 0;
 	int clean_message_contents = (cleanup_mode != CLEANUP_NONE);
 	int old_display_comment_prefix;
 
 	/* This checks and barfs if author is badly specified */
 	determine_author_info(author_ident);
 
-	if (!no_verify && run_hook(index_file, "pre-commit", NULL))
+	if (!no_verify && run_commit_hook(use_editor, index_file, "pre-commit", NULL))
 		return 0;
 
 	if (squash_message) {
@@ -649,10 +674,10 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 				  logfile);
 		hook_arg1 = "message";
 	} else if (use_message) {
+		char *buffer;
 		buffer = strstr(use_message_buffer, "\n\n");
-		if (!use_editor && (!buffer || buffer[2] == '\0'))
-			die(_("commit has empty message"));
-		strbuf_add(&sb, buffer + 2, strlen(buffer + 2));
+		if (buffer)
+			strbuf_add(&sb, buffer + 2, strlen(buffer + 2));
 		hook_arg1 = "commit";
 		hook_arg2 = use_message;
 	} else if (fixup_message) {
@@ -753,8 +778,13 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 	/* This checks if committer ident is explicitly given */
 	strbuf_addstr(&committer_ident, git_committer_info(IDENT_STRICT));
 	if (use_editor && include_status) {
-		char *ai_tmp, *ci_tmp;
-		if (whence != FROM_COMMIT)
+		int ident_shown = 0;
+		int saved_color_setting;
+		struct ident_split ci, ai;
+
+		if (whence != FROM_COMMIT) {
+			if (cleanup_mode == CLEANUP_SCISSORS)
+				wt_status_add_cut_line(s->fp);
 			status_printf_ln(s, GIT_COLOR_NORMAL,
 			    whence == FROM_MERGE
 				? _("\n"
@@ -770,6 +800,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 				git_path(whence == FROM_MERGE
 					 ? "MERGE_HEAD"
 					 : "CHERRY_PICK_HEAD"));
+		}
 
 		fprintf(s->fp, "\n");
 		if (cleanup_mode == CLEANUP_ALL)
@@ -777,6 +808,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 				_("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 == CLEANUP_SCISSORS && whence == FROM_COMMIT)
+			wt_status_add_cut_line(s->fp);
 		else /* CLEANUP_SPACE, that is. */
 			status_printf(s, GIT_COLOR_NORMAL,
 				_("Please enter the commit message for your changes."
@@ -788,32 +821,39 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 			status_printf_ln(s, GIT_COLOR_NORMAL,
 					"%s", only_include_assumed);
 
-		ai_tmp = cut_ident_timestamp_part(author_ident->buf);
-		ci_tmp = cut_ident_timestamp_part(committer_ident.buf);
-		if (strcmp(author_ident->buf, committer_ident.buf))
+		split_ident_or_die(&ai, author_ident);
+		split_ident_or_die(&ci, &committer_ident);
+
+		if (ident_cmp(&ai, &ci))
 			status_printf_ln(s, GIT_COLOR_NORMAL,
 				_("%s"
-				"Author:    %s"),
+				"Author:    %.*s <%.*s>"),
 				ident_shown++ ? "" : "\n",
-				author_ident->buf);
+				(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_NORMAL));
 
 		if (!committer_ident_sufficiently_given())
 			status_printf_ln(s, GIT_COLOR_NORMAL,
 				_("%s"
-				"Committer: %s"),
+				"Committer: %.*s <%.*s>"),
 				ident_shown++ ? "" : "\n",
-				committer_ident.buf);
+				(int)(ci.name_end - ci.name_begin), ci.name_begin,
+				(int)(ci.mail_end - ci.mail_begin), ci.mail_begin);
 
 		if (ident_shown)
-			status_printf_ln(s, GIT_COLOR_NORMAL, "");
+			status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
 
 		saved_color_setting = s->use_color;
 		s->use_color = 0;
 		commitable = run_status(s->fp, index_file, prefix, 1, s);
 		s->use_color = saved_color_setting;
-
-		*ai_tmp = ' ';
-		*ci_tmp = ' ';
 	} else {
 		unsigned char sha1[20];
 		const char *parent = "HEAD";
@@ -866,8 +906,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 		return 0;
 	}
 
-	if (run_hook(index_file, "prepare-commit-msg",
-		     git_path(commit_editmsg), hook_arg1, hook_arg2, NULL))
+	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) {
@@ -883,7 +923,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 	}
 
 	if (!no_verify &&
-	    run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
+	    run_commit_hook(use_editor, index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
 		return 0;
 	}
 
@@ -1067,8 +1107,6 @@ static int parse_and_validate_options(int argc, const char *argv[],
 		use_editor = 0;
 	if (0 <= edit_flag)
 		use_editor = edit_flag;
-	if (!use_editor)
-		setenv("GIT_EDITOR", ":", 1);
 
 	/* Sanity check options */
 	if (amend && !current_head)
@@ -1123,7 +1161,7 @@ static int parse_and_validate_options(int argc, const char *argv[],
 	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...");
+		only_include_assumed = _("Explicit paths specified without -i or -o; assuming --only paths...");
 	if (!cleanup_arg || !strcmp(cleanup_arg, "default"))
 		cleanup_mode = use_editor ? CLEANUP_ALL : CLEANUP_SPACE;
 	else if (!strcmp(cleanup_arg, "verbatim"))
@@ -1132,6 +1170,8 @@ static int parse_and_validate_options(int argc, const char *argv[],
 		cleanup_mode = CLEANUP_SPACE;
 	else if (!strcmp(cleanup_arg, "strip"))
 		cleanup_mode = CLEANUP_ALL;
+	else if (!strcmp(cleanup_arg, "scissors"))
+		cleanup_mode = use_editor ? CLEANUP_SCISSORS : CLEANUP_SPACE;
 	else
 		die(_("Invalid cleanup mode %s"), cleanup_arg);
 
@@ -1349,6 +1389,13 @@ static void print_summary(const char *prefix, const unsigned char *sha1,
 		strbuf_addstr(&format, "\n Author: ");
 		strbuf_addbuf_percentquote(&format, &author_ident);
 	}
+	if (author_date_is_interesting()) {
+		struct strbuf date = STRBUF_INIT;
+		format_commit_message(commit, "%ad", &date, &pctx);
+		strbuf_addstr(&format, "\n Date: ");
+		strbuf_addbuf_percentquote(&format, &date);
+		strbuf_release(&date);
+	}
 	if (!committer_ident_sufficiently_given()) {
 		strbuf_addstr(&format, "\n Committer: ");
 		strbuf_addbuf_percentquote(&format, &committer_ident);
@@ -1406,6 +1453,10 @@ static int git_commit_config(const char *k, const char *v, void *cb)
 	}
 	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;
+	}
 
 	status = git_gpg_config(k, v, NULL);
 	if (status)
@@ -1445,6 +1496,29 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
 	return finish_command(&proc);
 }
 
+int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...)
+{
+	const char *hook_env[3] =  { NULL };
+	char index[PATH_MAX];
+	va_list args;
+	int ret;
+
+	snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
+	hook_env[0] = index;
+
+	/*
+	 * Let the hook know that no editor will be launched.
+	 */
+	if (!editor_is_used)
+		hook_env[1] = "GIT_EDITOR=:";
+
+	va_start(args, name);
+	ret = run_hook_ve(hook_env, name, args);
+	va_end(args);
+
+	return ret;
+}
+
 int cmd_commit(int argc, const char **argv, const char *prefix)
 {
 	static struct wt_status s;
@@ -1467,7 +1541,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 		OPT_BOOL('e', "edit", &edit_flag, N_("force edit of commit")),
 		OPT_STRING(0, "cleanup", &cleanup_arg, N_("default"), N_("how to strip spaces and #comments from message")),
 		OPT_BOOL(0, "status", &include_status, N_("include status in commit message template")),
-		{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key id"),
+		{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"),
 		  N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
 		/* end commit message options */
 
@@ -1510,7 +1584,6 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 	struct ref_lock *ref_lock;
 	struct commit_list *parents = NULL, **pptr = &parents;
 	struct stat statbuf;
-	int allow_fast_forward = 1;
 	struct commit *current_head = NULL;
 	struct commit_extra_header *extra = NULL;
 
@@ -1558,6 +1631,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 	} else if (whence == FROM_MERGE) {
 		struct strbuf m = STRBUF_INIT;
 		FILE *fp;
+		int allow_fast_forward = 1;
 
 		if (!reflog_msg)
 			reflog_msg = "commit (merge)";
@@ -1600,8 +1674,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 		die(_("could not read commit message: %s"), strerror(saved_errno));
 	}
 
-	/* Truncate the message just before the diff, if any. */
-	if (verbose)
+	if (verbose || /* Truncate the message just before the diff, if any. */
+	    cleanup_mode == CLEANUP_SCISSORS)
 		wt_status_truncate_message_at_cut_line(&sb);
 
 	if (cleanup_mode != CLEANUP_NONE)
@@ -1638,6 +1712,10 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 					   ? NULL
 					   : current_head->object.sha1,
 					   0, NULL);
+	if (!ref_lock) {
+		rollback_index_files();
+		die(_("cannot lock HEAD ref"));
+	}
 
 	nl = strchr(sb.buf, '\n');
 	if (nl)
@@ -1647,10 +1725,6 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 	strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg));
 	strbuf_insert(&sb, strlen(reflog_msg), ": ", 2);
 
-	if (!ref_lock) {
-		rollback_index_files();
-		die(_("cannot lock HEAD ref"));
-	}
 	if (write_ref_sha1(ref_lock, sha1, sb.buf) < 0) {
 		rollback_index_files();
 		die(_("cannot update HEAD ref"));
@@ -1669,7 +1743,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 		     "not exceeded, and then \"git reset HEAD\" to recover."));
 
 	rerere(0);
-	run_hook(get_index_file(), "post-commit", NULL);
+	run_commit_hook(use_editor, get_index_file(), "post-commit", NULL);
 	if (amend && !no_post_rewrite) {
 		struct notes_rewrite_cfg *cfg;
 		cfg = init_copy_notes_for_rewrite("amend");