diff options
Diffstat (limited to 'builtin/commit.c')
| -rw-r--r-- | builtin/commit.c | 460 | 
1 files changed, 263 insertions, 197 deletions
| diff --git a/builtin/commit.c b/builtin/commit.c index e1af9b19f0..20cef95d60 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -26,6 +26,8 @@  #include "unpack-trees.h"  #include "quote.h"  #include "submodule.h" +#include "gpg-interface.h" +#include "column.h"  static const char * const builtin_commit_usage[] = {  	"git commit [options] [--] <filepattern>...", @@ -62,8 +64,6 @@ 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 */ @@ -83,10 +83,13 @@ static const char *template_file;  static const char *author_message, *author_message_buffer;  static char *edit_message, *use_message;  static char *fixup_message, *squash_message; -static int all, edit_flag, also, interactive, patch_interactive, only, amend, signoff; +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 no_post_rewrite, allow_empty_message;  static char *untracked_files_arg, *force_date, *ignore_submodule_arg; +static char *sign_commit; +  /*   * The default commit message cleanup mode will remove the lines   * beginning with # (shell comments) and leading and trailing @@ -102,18 +105,16 @@ 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; +static struct strbuf message = STRBUF_INIT; -static int null_termination;  static enum {  	STATUS_FORMAT_LONG,  	STATUS_FORMAT_SHORT,  	STATUS_FORMAT_PORCELAIN  } status_format = STATUS_FORMAT_LONG; -static int status_show_branch;  static int opt_parse_m(const struct option *opt, const char *arg, int unset)  { @@ -127,57 +128,6 @@ static int opt_parse_m(const struct option *opt, const char *arg, int unset)  	return 0;  } -static struct option builtin_commit_options[] = { -	OPT__QUIET(&quiet, "suppress summary after successful commit"), -	OPT__VERBOSE(&verbose, "show diff in commit message template"), - -	OPT_GROUP("Commit message options"), -	OPT_FILENAME('F', "file", &logfile, "read message from file"), -	OPT_STRING(0, "author", &force_author, "author", "override author for commit"), -	OPT_STRING(0, "date", &force_date, "date", "override date for commit"), -	OPT_CALLBACK('m', "message", &message, "message", "commit message", opt_parse_m), -	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_STRING(0, "fixup", &fixup_message, "commit", "use autosquash formatted message to fixup specified commit"), -	OPT_STRING(0, "squash", &squash_message, "commit", "use autosquash formatted message to squash specified commit"), -	OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C-c/--amend)"), -	OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"), -	OPT_FILENAME('t', "template", &template_file, "use specified template file"), -	OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"), -	OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"), -	OPT_BOOLEAN(0, "status", &include_status, "include status in commit message template"), -	/* end commit message options */ - -	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('p', "patch", &patch_interactive, "interactively add changes"), -	OPT_BOOLEAN('o', "only", &only, "commit only specified files"), -	OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"), -	OPT_BOOLEAN(0, "dry-run", &dry_run, "show what would be committed"), -	OPT_SET_INT(0, "short", &status_format, "show status concisely", -		    STATUS_FORMAT_SHORT), -	OPT_BOOLEAN(0, "branch", &status_show_branch, "show branch information"), -	OPT_SET_INT(0, "porcelain", &status_format, -		    "machine-readable output", STATUS_FORMAT_PORCELAIN), -	OPT_BOOLEAN('z', "null", &null_termination, -		    "terminate entries with NUL"), -	OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"), -	OPT_BOOLEAN(0, "no-post-rewrite", &no_post_rewrite, "bypass post-rewrite hook"), -	{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, -	/* end commit contents options */ - -	{ OPTION_BOOLEAN, 0, "allow-empty", &allow_empty, NULL, -	  "ok to record an empty change", -	  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN }, -	{ OPTION_BOOLEAN, 0, "allow-empty-message", &allow_empty_message, NULL, -	  "ok to record a change with an empty message", -	  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN }, - -	OPT_END() -}; -  static void determine_whence(struct wt_status *s)  {  	if (file_exists(git_path("MERGE_HEAD"))) @@ -190,24 +140,6 @@ static void determine_whence(struct wt_status *s)  		s->whence = whence;  } -static const char *whence_s(void) -{ -	char *s = ""; - -	switch (whence) { -	case FROM_COMMIT: -		break; -	case FROM_MERGE: -		s = "merge"; -		break; -	case FROM_CHERRY_PICK: -		s = "cherry-pick"; -		break; -	} - -	return s; -} -  static void rollback_index_files(void)  {  	switch (commit_style) { @@ -252,12 +184,18 @@ static int list_paths(struct string_list *list, const char *with_tree,  	int i;  	char *m; +	if (!pattern) +		return 0; +  	for (i = 0; pattern[i]; i++)  		;  	m = xcalloc(1, i); -	if (with_tree) -		overlay_tree_on_cache(with_tree, prefix); +	if (with_tree) { +		char *max_prefix = common_prefix(pattern); +		overlay_tree_on_cache(with_tree, max_prefix ? max_prefix : prefix); +		free(max_prefix); +	}  	for (i = 0; i < active_nr; i++) {  		struct cache_entry *ce = active_cache[i]; @@ -272,7 +210,7 @@ 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 +232,13 @@ 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 +251,7 @@ 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 +270,8 @@ 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; @@ -392,6 +331,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int  		fd = hold_locked_index(&index_lock, 1);  		add_files_to_cache(also ? prefix : NULL, pathspec, 0);  		refresh_cache_or_die(refresh_flags); +		update_main_cache_tree(WRITE_TREE_SILENT);  		if (write_cache(fd, active_cache, active_nr) ||  		    close_lock_file(&index_lock))  			die(_("unable to write new_index file")); @@ -408,10 +348,11 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int  	 * and create commit from the_index.  	 * We still need to refresh the index here.  	 */ -	if (!pathspec || !*pathspec) { +	if (!only && (!pathspec || !*pathspec)) {  		fd = hold_locked_index(&index_lock, 1);  		refresh_cache_or_die(refresh_flags);  		if (active_cache_changed) { +			update_main_cache_tree(WRITE_TREE_SILENT);  			if (write_cache(fd, active_cache, active_nr) ||  			    commit_locked_index(&index_lock))  				die(_("unable to write new_index file")); @@ -443,12 +384,16 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int  	 */  	commit_style = COMMIT_PARTIAL; -	if (whence != FROM_COMMIT) -		die(_("cannot do a partial commit during a %s."), whence_s()); +	if (whence != FROM_COMMIT) { +		if (whence == FROM_MERGE) +			die(_("cannot do a partial commit during a merge.")); +		else if (whence == FROM_CHERRY_PICK) +			die(_("cannot do a partial commit during a cherry-pick.")); +	}  	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 +412,7 @@ 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); @@ -503,10 +448,10 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int  	switch (status_format) {  	case STATUS_FORMAT_SHORT: -		wt_shortstatus_print(s, null_termination, status_show_branch); +		wt_shortstatus_print(s);  		break;  	case STATUS_FORMAT_PORCELAIN: -		wt_porcelain_print(s, null_termination); +		wt_porcelain_print(s);  		break;  	case STATUS_FORMAT_LONG:  		wt_status_print(s); @@ -516,19 +461,27 @@ 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: "; +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_addf(&buf, "%.*s", (int)(e - s), s); +	setenv(var, buf.buf, 1); +	strbuf_release(&buf); +} +  static void determine_author_info(struct strbuf *author_ident)  {  	char *name, *email, *date; +	struct ident_split author;  	name = getenv("GIT_AUTHOR_NAME");  	email = getenv("GIT_AUTHOR_EMAIL"); @@ -536,6 +489,7 @@ static void determine_author_info(struct strbuf *author_ident)  	if (author_message) {  		const char *a, *lb, *rb, *eol; +		size_t len;  		a = strstr(author_message_buffer, "\nauthor ");  		if (!a) @@ -556,6 +510,11 @@ static void determine_author_info(struct strbuf *author_ident)  					 (a + strlen("\nauthor "))));  		email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<")));  		date = xmemdupz(rb + strlen("> "), eol - (rb + strlen("> "))); +		len = eol - (rb + strlen("> ")); +		date = xmalloc(len + 2); +		*date = '@'; +		memcpy(date + 1, rb + strlen("> "), len); +		date[len + 1] = '\0';  	}  	if (force_author) { @@ -570,8 +529,12 @@ static void determine_author_info(struct strbuf *author_ident)  	if (force_date)  		date = force_date; -	strbuf_addstr(author_ident, fmt_ident(name, email, date, -					      IDENT_ERROR_ON_NO_NAME)); +	strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_STRICT)); +	if (!split_ident_line(&author, author_ident->buf, author_ident->len)) { +		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, '@'); +	}  }  static int ends_rfc2822_footer(struct strbuf *sb) @@ -625,6 +588,7 @@ 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)  { @@ -638,6 +602,9 @@ static int prepare_to_commit(const char *index_file, const char *prefix,  	int ident_shown = 0;  	int clean_message_contents = (cleanup_mode != CLEANUP_NONE); +	/* This checks and barfs if author is badly specified */ +	determine_author_info(author_ident); +  	if (!no_verify && run_hook(index_file, "pre-commit", NULL))  		return 0; @@ -676,7 +643,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,  		hook_arg1 = "message";  	} else if (use_message) {  		buffer = strstr(use_message_buffer, "\n\n"); -		if (!buffer || buffer[2] == '\0') +		if (!use_editor && (!buffer || buffer[2] == '\0'))  			die(_("commit has empty message"));  		strbuf_add(&sb, buffer + 2, strlen(buffer + 2));  		hook_arg1 = "commit"; @@ -757,37 +724,37 @@ static int prepare_to_commit(const char *index_file, const char *prefix,  	strbuf_release(&sb); -	/* This checks and barfs if author is badly specified */ -	determine_author_info(author_ident); -  	/* This checks if committer ident is explicitly given */ -	strbuf_addstr(&committer_ident, git_committer_info(0)); +	strbuf_addstr(&committer_ident, git_committer_info(IDENT_STRICT));  	if (use_editor && include_status) {  		char *ai_tmp, *ci_tmp;  		if (whence != FROM_COMMIT)  			status_printf_ln(s, GIT_COLOR_NORMAL, -				_("\n" -				"It looks like you may be committing a %s.\n" -				"If this is not correct, please remove the file\n" -				"	%s\n" -				"and try again.\n" -				""), -				whence_s(), +			    whence == FROM_MERGE +				? _("\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" +					"It looks like you may be committing a cherry-pick.\n" +					"If this is not correct, please remove the file\n" +					"	%s\n" +					"and try again.\n"),  				git_path(whence == FROM_MERGE  					 ? "MERGE_HEAD"  					 : "CHERRY_PICK_HEAD"));  		fprintf(s->fp, "\n"); -		status_printf(s, GIT_COLOR_NORMAL, -			_("Please enter the commit message for your changes."));  		if (cleanup_mode == CLEANUP_ALL) -			status_printf_more(s, GIT_COLOR_NORMAL, -				_(" Lines starting\n" -				"with '#' will be ignored, and an empty" +			status_printf(s, GIT_COLOR_NORMAL, +				_("Please enter the commit message for your changes." +				" Lines starting\nwith '#' will be ignored, and an empty"  				" message aborts the commit.\n"));  		else /* CLEANUP_SPACE, that is. */ -			status_printf_more(s, GIT_COLOR_NORMAL, -				_(" Lines starting\n" +			status_printf(s, GIT_COLOR_NORMAL, +				_("Please enter the commit message for your changes." +				" Lines starting\n"  				"with '#' will be kept; you may remove them"  				" yourself if you want to.\n"  				"An empty message aborts the commit.\n")); @@ -846,7 +813,7 @@ 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); @@ -862,10 +829,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,  	 */  	discard_cache();  	read_cache_from(index_file); -	if (!active_cache_tree) -		active_cache_tree = cache_tree(); -	if (cache_tree_update(active_cache_tree, -			      active_cache, active_nr, 0, 0) < 0) { +	if (update_main_cache_tree(0)) {  		error(_("Error building trees"));  		return 0;  	} @@ -894,27 +858,10 @@ static int prepare_to_commit(const char *index_file, const char *prefix,  	return 1;  } -/* - * Find out if the message in the strbuf contains only whitespace and - * Signed-off-by lines. - */ -static int message_is_empty(struct strbuf *sb) +static int rest_is_empty(struct strbuf *sb, int start)  { -	struct strbuf tmpl = STRBUF_INIT; +	int i, eol;  	const char *nl; -	int eol, i, start = 0; - -	if (cleanup_mode == CLEANUP_NONE && sb->len) -		return 0; - -	/* See if the template is just a prefix of the message. */ -	if (template_file && strbuf_read_file(&tmpl, template_file, 0) > 0) { -		stripspace(&tmpl, cleanup_mode == CLEANUP_ALL); -		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++) { @@ -937,6 +884,40 @@ static int message_is_empty(struct strbuf *sb)  	return 1;  } +/* + * Find out if the message in the strbuf contains only whitespace and + * Signed-off-by lines. + */ +static int message_is_empty(struct strbuf *sb) +{ +	if (cleanup_mode == CLEANUP_NONE && sb->len) +		return 0; +	return rest_is_empty(sb, 0); +} + +/* + * See if the user edited the message in the editor or left what + * was in the template intact + */ +static int template_untouched(struct strbuf *sb) +{ +	struct strbuf tmpl = STRBUF_INIT; +	char *start; + +	if (cleanup_mode == CLEANUP_NONE && sb->len) +		return 0; + +	if (!template_file || strbuf_read_file(&tmpl, template_file, 0) <= 0) +		return 0; + +	stripspace(&tmpl, cleanup_mode == CLEANUP_ALL); +	start = (char *)skip_prefix(sb->buf, tmpl.buf); +	if (!start) +		start = sb->buf; +	strbuf_release(&tmpl); +	return rest_is_empty(sb, start - sb->buf); +} +  static const char *find_author_by_nickname(const char *name)  {  	struct rev_info revs; @@ -1002,14 +983,15 @@ static const char *read_commit_message(const char *name)  }  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, builtin_commit_options, usage, -			     0); +	argc = parse_options(argc, argv, prefix, options, usage, 0);  	if (force_author && !strchr(force_author, '>'))  		force_author = find_author_by_nickname(force_author); @@ -1019,19 +1001,20 @@ static int parse_and_validate_options(int argc, const char *argv[],  	if (logfile || message.len || use_message || fixup_message)  		use_editor = 0; -	if (edit_flag) -		use_editor = 1; +	if (0 <= edit_flag) +		use_editor = edit_flag;  	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()); +	if (amend && whence != FROM_COMMIT) { +		if (whence == FROM_MERGE) +			die(_("You are in the middle of a merge -- cannot amend.")); +		else if (whence == FROM_CHERRY_PICK) +			die(_("You are in the middle of a cherry-pick -- cannot amend.")); +	}  	if (fixup_message && squash_message)  		die(_("Options --squash and --fixup cannot be used together"));  	if (use_message) @@ -1046,6 +1029,8 @@ static int parse_and_validate_options(int argc, const char *argv[],  		die(_("Only one of -c/-C/-F/--fixup can be used."));  	if (message.len && f > 0)  		die((_("Option -m cannot be combined with -c/-C/-F/--fixup."))); +	if (f || message.len) +		template_file = NULL;  	if (edit_message)  		use_message = edit_message;  	if (amend && !use_message && !fixup_message) @@ -1091,7 +1076,7 @@ static int parse_and_validate_options(int argc, const char *argv[],  	if (all && argc > 0)  		die(_("Paths with -a does not make sense.")); -	if (null_termination && status_format == STATUS_FORMAT_LONG) +	if (s->null_termination && status_format == STATUS_FORMAT_LONG)  		status_format = STATUS_FORMAT_PORCELAIN;  	if (status_format != STATUS_FORMAT_LONG)  		dry_run = 1; @@ -1100,12 +1085,12 @@ 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(); @@ -1136,6 +1121,8 @@ static int git_status_config(const char *k, const char *v, void *cb)  {  	struct wt_status *s = cb; +	if (!prefixcmp(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); @@ -1144,7 +1131,7 @@ 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.")) { @@ -1178,19 +1165,19 @@ static int git_status_config(const char *k, const char *v, void *cb)  int cmd_status(int argc, const char **argv, const char *prefix)  { -	struct wt_status s; +	static struct wt_status s;  	int fd;  	unsigned char sha1[20];  	static struct option builtin_status_options[] = {  		OPT__VERBOSE(&verbose, "be verbose"),  		OPT_SET_INT('s', "short", &status_format,  			    "show status concisely", STATUS_FORMAT_SHORT), -		OPT_BOOLEAN('b', "branch", &status_show_branch, +		OPT_BOOLEAN('b', "branch", &s.show_branch,  			    "show branch information"),  		OPT_SET_INT(0, "porcelain", &status_format,  			    "machine-readable output",  			    STATUS_FORMAT_PORCELAIN), -		OPT_BOOLEAN('z', "null", &null_termination, +		OPT_BOOLEAN('z', "null", &s.null_termination,  			    "terminate entries with NUL"),  		{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg,  		  "mode", @@ -1201,6 +1188,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)  		{ OPTION_STRING, 0, "ignore-submodules", &ignore_submodule_arg, "when",  		  "ignore changes to submodules, optional when: all, dirty, untracked. (Default: all)",  		  PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, +		OPT_COLUMN(0, "column", &s.colopts, "list untracked files in columns"),  		OPT_END(),  	}; @@ -1214,8 +1202,9 @@ int cmd_status(int argc, const char **argv, const char *prefix)  	argc = parse_options(argc, argv, prefix,  			     builtin_status_options,  			     builtin_status_usage, 0); +	finalize_colopts(&s.colopts, -1); -	if (null_termination && status_format == STATUS_FORMAT_LONG) +	if (s.null_termination && status_format == STATUS_FORMAT_LONG)  		status_format = STATUS_FORMAT_PORCELAIN;  	handle_untracked_files_arg(&s); @@ -1237,17 +1226,13 @@ 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: -		wt_shortstatus_print(&s, null_termination, status_show_branch); +		wt_shortstatus_print(&s);  		break;  	case STATUS_FORMAT_PORCELAIN: -		wt_porcelain_print(&s, null_termination); +		wt_porcelain_print(&s);  		break;  	case STATUS_FORMAT_LONG:  		s.verbose = verbose; @@ -1258,13 +1243,14 @@ 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;  	struct strbuf format = STRBUF_INIT;  	unsigned char junk_sha1[20]; -	const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL); +	const char *head;  	struct pretty_print_context pctx = {0};  	struct strbuf author_ident = STRBUF_INIT;  	struct strbuf committer_ident = STRBUF_INIT; @@ -1309,6 +1295,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1)  	rev.diffopt.break_opt = 0;  	diff_setup_done(&rev.diffopt); +	head = resolve_ref_unsafe("HEAD", junk_sha1, 0, NULL);  	printf("[%s%s ",  		!prefixcmp(head, "refs/heads/") ?  			head + 11 : @@ -1329,6 +1316,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1)  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); @@ -1337,6 +1325,9 @@ static int git_commit_config(const char *k, const char *v, void *cb)  		return 0;  	} +	status = git_gpg_config(k, v, NULL); +	if (status) +		return status;  	return git_status_config(k, v, s);  } @@ -1376,16 +1367,71 @@ static int run_rewrite_hook(const unsigned char *oldsha1,  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, "suppress summary after successful commit"), +		OPT__VERBOSE(&verbose, "show diff in commit message template"), + +		OPT_GROUP("Commit message options"), +		OPT_FILENAME('F', "file", &logfile, "read message from file"), +		OPT_STRING(0, "author", &force_author, "author", "override author for commit"), +		OPT_STRING(0, "date", &force_date, "date", "override date for commit"), +		OPT_CALLBACK('m', "message", &message, "message", "commit message", opt_parse_m), +		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_STRING(0, "fixup", &fixup_message, "commit", "use autosquash formatted message to fixup specified commit"), +		OPT_STRING(0, "squash", &squash_message, "commit", "use autosquash formatted message to squash specified commit"), +		OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C/-c/--amend)"), +		OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"), +		OPT_FILENAME('t', "template", &template_file, "use specified template file"), +		OPT_BOOL('e', "edit", &edit_flag, "force edit of commit"), +		OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"), +		OPT_BOOLEAN(0, "status", &include_status, "include status in commit message template"), +		{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, "key id", +		  "GPG sign commit", PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, +		/* end commit message options */ + +		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('p', "patch", &patch_interactive, "interactively add changes"), +		OPT_BOOLEAN('o', "only", &only, "commit only specified files"), +		OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"), +		OPT_BOOLEAN(0, "dry-run", &dry_run, "show what would be committed"), +		OPT_SET_INT(0, "short", &status_format, "show status concisely", +			    STATUS_FORMAT_SHORT), +		OPT_BOOLEAN(0, "branch", &s.show_branch, "show branch information"), +		OPT_SET_INT(0, "porcelain", &status_format, +			    "machine-readable output", STATUS_FORMAT_PORCELAIN), +		OPT_BOOLEAN('z', "null", &s.null_termination, +			    "terminate entries with NUL"), +		OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"), +		OPT_BOOLEAN(0, "no-post-rewrite", &no_post_rewrite, "bypass post-rewrite hook"), +		{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, +		/* end commit contents options */ + +		{ OPTION_BOOLEAN, 0, "allow-empty", &allow_empty, NULL, +		  "ok to record an empty change", +		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN }, +		{ OPTION_BOOLEAN, 0, "allow-empty-message", &allow_empty_message, NULL, +		  "ok to record a change with an empty message", +		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN }, + +		OPT_END() +	}; +  	struct strbuf sb = STRBUF_INIT;  	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; +	struct commit_extra_header *extra = NULL;  	if (argc == 2 && !strcmp(argv[1], "-h"))  		usage_with_options(builtin_commit_usage, builtin_commit_options); @@ -1393,41 +1439,41 @@ int cmd_commit(int argc, const char **argv, const char *prefix)  	wt_status_prepare(&s);  	git_config(git_commit_config, &s);  	determine_whence(&s); +	s.colopts = 0; -	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_or_die(sha1, "HEAD"); +		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_options, +					  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; @@ -1435,16 +1481,18 @@ 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"),  				  git_path("MERGE_HEAD"));  		while (strbuf_getline(&m, fp, '\n') != EOF) { -			unsigned char sha1[20]; -			if (get_sha1_hex(m.buf, sha1) < 0) +			struct commit *parent; + +			parent = get_merge_parent(m.buf); +			if (!parent)  				die(_("Corrupt MERGE_HEAD file (%s)"), m.buf); -			pptr = &commit_list_insert(lookup_commit(sha1), pptr)->next; +			pptr = &commit_list_insert(parent, pptr)->next;  		}  		fclose(fp);  		strbuf_release(&m); @@ -1461,7 +1509,7 @@ 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 */ @@ -1481,21 +1529,37 @@ int cmd_commit(int argc, const char **argv, const char *prefix)  	if (cleanup_mode != CLEANUP_NONE)  		stripspace(&sb, cleanup_mode == CLEANUP_ALL); +	if (template_untouched(&sb) && !allow_empty_message) { +		rollback_index_files(); +		fprintf(stderr, _("Aborting commit; you did not edit the message.\n")); +		exit(1); +	}  	if (message_is_empty(&sb) && !allow_empty_message) {  		rollback_index_files();  		fprintf(stderr, _("Aborting commit due to empty commit message.\n"));  		exit(1);  	} -	if (commit_tree(sb.buf, active_cache_tree->sha1, parents, commit_sha1, -			author_ident.buf)) { +	if (amend) { +		const char *exclude_gpgsig[2] = { "gpgsig", 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, active_cache_tree->sha1, parents, sha1, +				 author_ident.buf, sign_commit, extra)) {  		rollback_index_files();  		die(_("failed to write commit object"));  	}  	strbuf_release(&author_ident); +	free_commit_extra_headers(extra);  	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'); @@ -1510,12 +1574,13 @@ 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"));  	}  	unlink(git_path("CHERRY_PICK_HEAD")); +	unlink(git_path("REVERT_HEAD"));  	unlink(git_path("MERGE_HEAD"));  	unlink(git_path("MERGE_MSG"));  	unlink(git_path("MERGE_MODE")); @@ -1532,13 +1597,14 @@ 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;  } | 
