1 files changed, 61 insertions, 55 deletions

diff --git a/builtin/commit.c b/builtin/commit.c
index 2de5f6cc64..b79bcfd5b9 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -6,6 +6,7 @@
  */
 
 #include "cache.h"
+#include "config.h"
 #include "lockfile.h"
 #include "cache-tree.h"
 #include "color.h"
@@ -139,7 +140,6 @@ static enum commit_whence whence;
 static int sequencer_in_use;
 static int use_editor = 1, include_status = 1;
 static int show_ignored_in_status, have_option_m;
-static const char *only_include_assumed;
 static struct strbuf message = STRBUF_INIT;
 
 static enum wt_status_format status_format = STATUS_FORMAT_UNSPECIFIED;
@@ -253,7 +253,8 @@ static int list_paths(struct string_list *list, const char *with_tree,
 
 	if (with_tree) {
 		char *max_prefix = common_prefix(pattern);
-		overlay_tree_on_cache(with_tree, max_prefix ? max_prefix : prefix);
+		overlay_tree_on_index(&the_index, with_tree,
+				      max_prefix ? max_prefix : prefix);
 		free(max_prefix);
 	}
 
@@ -313,7 +314,7 @@ static void create_base_index(const struct commit *current_head)
 	opts.dst_index = &the_index;
 
 	opts.fn = oneway_merge;
-	tree = parse_tree_indirect(current_head->object.oid.hash);
+	tree = parse_tree_indirect(&current_head->object.oid);
 	if (!tree)
 		die(_("failed to unpack HEAD tree object"));
 	parse_tree(tree);
@@ -496,7 +497,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
 static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn,
 		      struct wt_status *s)
 {
-	unsigned char sha1[20];
+	struct object_id oid;
 
 	if (s->relative_paths)
 		s->prefix = prefix;
@@ -509,9 +510,9 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int
 	s->index_file = index_file;
 	s->fp = fp;
 	s->nowarn = nowarn;
-	s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
+	s->is_initial = get_oid(s->reference, &oid) ? 1 : 0;
 	if (!s->is_initial)
-		hashcpy(s->sha1_commit, sha1);
+		hashcpy(s->sha1_commit, oid.hash);
 	s->status_format = status_format;
 	s->ignore_submodule_arg = ignore_submodule_arg;
 
@@ -821,9 +822,9 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 					"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"));
+				whence == FROM_MERGE ?
+					git_path_merge_head() :
+					git_path_cherry_pick_head());
 		}
 
 		fprintf(s->fp, "\n");
@@ -841,9 +842,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 				  "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);
-		if (only_include_assumed)
-			status_printf_ln(s, GIT_COLOR_NORMAL,
-					"%s", only_include_assumed);
 
 		/*
 		 * These should never fail because they come from our own
@@ -877,15 +875,14 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 				(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, "%s", "");
+		status_printf_ln(s, GIT_COLOR_NORMAL, "%s", ""); /* Add new line for clarity */
 
 		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;
 	} else {
-		unsigned char sha1[20];
+		struct object_id oid;
 		const char *parent = "HEAD";
 
 		if (!active_nr && read_cache() < 0)
@@ -894,7 +891,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 		if (amend)
 			parent = "HEAD^1";
 
-		if (get_sha1(parent, sha1)) {
+		if (get_oid(parent, &oid)) {
 			int i, ita_nr = 0;
 
 			for (i = 0; i < active_nr; i++)
@@ -943,13 +940,16 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 		return 0;
 	}
 
-	/*
-	 * 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();
+	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;
@@ -984,7 +984,7 @@ static int rest_is_empty(struct strbuf *sb, int start)
 	int i, eol;
 	const char *nl;
 
-	/* Check if the rest is just whitespace and Signed-of-by's. */
+	/* Check if the rest is just whitespace and Signed-off-by's. */
 	for (i = start; i < sb->len; i++) {
 		nl = memchr(sb->buf + i, '\n', sb->len - i);
 		if (nl)
@@ -1208,8 +1208,6 @@ static int parse_and_validate_options(int argc, const char *argv[],
 		die(_("Only one of --include/--only/--all/--interactive/--patch can be used."));
 	if (argc == 0 && (also || (only && !amend && !allow_empty)))
 		die(_("No paths with --include/--only does not make sense."));
-	if (argc > 0 && !also && !only)
-		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"))
@@ -1263,6 +1261,10 @@ static int parse_status_slot(const char *slot)
 		return WT_STATUS_NOBRANCH;
 	if (!strcasecmp(slot, "unmerged"))
 		return WT_STATUS_UNMERGED;
+	if (!strcasecmp(slot, "localBranch"))
+		return WT_STATUS_LOCAL_BRANCH;
+	if (!strcasecmp(slot, "remoteBranch"))
+		return WT_STATUS_REMOTE_BRANCH;
 	return -1;
 }
 
@@ -1291,6 +1293,10 @@ static int git_status_config(const char *k, const char *v, void *cb)
 		status_deferred_config.show_branch = 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;
@@ -1332,13 +1338,15 @@ int cmd_status(int argc, const char **argv, const char *prefix)
 {
 	static struct wt_status s;
 	int fd;
-	unsigned char sha1[20];
+	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")),
 		{ OPTION_CALLBACK, 0, "porcelain", &status_format,
 		  N_("version"), N_("machine-readable output"),
 		  PARSE_OPT_OPTARG, opt_parse_porcelain },
@@ -1382,9 +1390,9 @@ int cmd_status(int argc, const char **argv, const char *prefix)
 
 	fd = hold_locked_index(&index_lock, 0);
 
-	s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
+	s.is_initial = get_oid(s.reference, &oid) ? 1 : 0;
 	if (!s.is_initial)
-		hashcpy(s.sha1_commit, sha1);
+		hashcpy(s.sha1_commit, oid.hash);
 
 	s.ignore_submodule_arg = ignore_submodule_arg;
 	s.status_format = status_format;
@@ -1404,7 +1412,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)
 
 static const char *implicit_ident_advice(void)
 {
-	char *user_config = expand_user_path("~/.gitconfig");
+	char *user_config = expand_user_path("~/.gitconfig", 0);
 	char *xdg_config = xdg_config_home("config");
 	int config_exists = file_exists(user_config) || file_exists(xdg_config);
 
@@ -1418,19 +1426,19 @@ static const char *implicit_ident_advice(void)
 
 }
 
-static void print_summary(const char *prefix, const unsigned char *sha1,
+static void print_summary(const char *prefix, const struct object_id *oid,
 			  int initial_commit)
 {
 	struct rev_info rev;
 	struct commit *commit;
 	struct strbuf format = STRBUF_INIT;
-	unsigned char junk_sha1[20];
+	struct object_id junk_oid;
 	const char *head;
 	struct pretty_print_context pctx = {0};
 	struct strbuf author_ident = STRBUF_INIT;
 	struct strbuf committer_ident = STRBUF_INIT;
 
-	commit = lookup_commit(sha1);
+	commit = lookup_commit(oid);
 	if (!commit)
 		die(_("couldn't look up newly created commit"));
 	if (parse_commit(commit))
@@ -1477,7 +1485,7 @@ 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", 0, junk_sha1, NULL);
+	head = resolve_ref_unsafe("HEAD", 0, junk_oid.hash, NULL);
 	if (!strcmp(head, "HEAD"))
 		head = _("detached HEAD");
 	else
@@ -1522,8 +1530,8 @@ static int git_commit_config(const char *k, const char *v, void *cb)
 	return git_status_config(k, v, s);
 }
 
-static int run_rewrite_hook(const unsigned char *oldsha1,
-			    const unsigned char *newsha1)
+static int run_rewrite_hook(const struct object_id *oldoid,
+			    const struct object_id *newoid)
 {
 	struct child_process proc = CHILD_PROCESS_INIT;
 	const char *argv[3];
@@ -1544,7 +1552,7 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
 	code = start_command(&proc);
 	if (code)
 		return code;
-	strbuf_addf(&sb, "%s %s\n", sha1_to_hex(oldsha1), sha1_to_hex(newsha1));
+	strbuf_addf(&sb, "%s %s\n", oid_to_hex(oldoid), oid_to_hex(newoid));
 	sigchain_push(SIGPIPE, SIG_IGN);
 	write_in_full(proc.in, sb.buf, sb.len);
 	close(proc.in);
@@ -1636,7 +1644,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 	struct strbuf author_ident = STRBUF_INIT;
 	const char *index_file, *reflog_msg;
 	char *nl;
-	unsigned char sha1[20];
+	struct object_id oid;
 	struct commit_list *parents = NULL;
 	struct stat statbuf;
 	struct commit *current_head = NULL;
@@ -1648,13 +1656,14 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 		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_sha1("HEAD", sha1))
+	if (get_oid("HEAD", &oid))
 		current_head = NULL;
 	else {
-		current_head = lookup_commit_or_die(sha1, "HEAD");
+		current_head = lookup_commit_or_die(&oid, "HEAD");
 		if (parse_commit(current_head))
 			die(_("could not parse HEAD commit"));
 	}
@@ -1695,10 +1704,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 		if (!reflog_msg)
 			reflog_msg = "commit (merge)";
 		pptr = commit_list_append(current_head, pptr);
-		fp = fopen(git_path_merge_head(), "r");
-		if (fp == NULL)
-			die_errno(_("could not open '%s' for reading"),
-				  git_path_merge_head());
+		fp = xfopen(git_path_merge_head(), "r");
 		while (strbuf_getline_lf(&m, fp) != EOF) {
 			struct commit *parent;
 
@@ -1735,18 +1741,18 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
 	if (verbose || /* Truncate the message just before the diff, if any. */
 	    cleanup_mode == CLEANUP_SCISSORS)
-		wt_status_truncate_message_at_cut_line(&sb);
-
+		strbuf_setlen(&sb, wt_status_locate_end(sb.buf, sb.len));
 	if (cleanup_mode != CLEANUP_NONE)
 		strbuf_stripspace(&sb, cleanup_mode == CLEANUP_ALL);
-	if (template_untouched(&sb) && !allow_empty_message) {
+
+	if (message_is_empty(&sb) && !allow_empty_message) {
 		rollback_index_files();
-		fprintf(stderr, _("Aborting commit; you did not edit the message.\n"));
+		fprintf(stderr, _("Aborting commit due to empty commit message.\n"));
 		exit(1);
 	}
-	if (message_is_empty(&sb) && !allow_empty_message) {
+	if (template_untouched(&sb) && !allow_empty_message) {
 		rollback_index_files();
-		fprintf(stderr, _("Aborting commit due to empty commit message.\n"));
+		fprintf(stderr, _("Aborting commit; you did not edit the message.\n"));
 		exit(1);
 	}
 
@@ -1758,8 +1764,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 		append_merge_tag_headers(parents, &tail);
 	}
 
-	if (commit_tree_extended(sb.buf, sb.len, active_cache_tree->sha1,
-			 parents, sha1, author_ident.buf, sign_commit, extra)) {
+	if (commit_tree_extended(sb.buf, sb.len, active_cache_tree->oid.hash,
+			 parents, oid.hash, author_ident.buf, sign_commit, extra)) {
 		rollback_index_files();
 		die(_("failed to write commit object"));
 	}
@@ -1776,7 +1782,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
 	transaction = ref_transaction_begin(&err);
 	if (!transaction ||
-	    ref_transaction_update(transaction, "HEAD", sha1,
+	    ref_transaction_update(transaction, "HEAD", oid.hash,
 				   current_head
 				   ? current_head->object.oid.hash : null_sha1,
 				   0, sb.buf, &err) ||
@@ -1805,13 +1811,13 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 		cfg = init_copy_notes_for_rewrite("amend");
 		if (cfg) {
 			/* we are amending, so current_head is not NULL */
-			copy_note_for_rewrite(cfg, current_head->object.oid.hash, sha1);
+			copy_note_for_rewrite(cfg, &current_head->object.oid, &oid);
 			finish_copy_notes_for_rewrite(cfg, "Notes added by 'git commit --amend'");
 		}
-		run_rewrite_hook(current_head->object.oid.hash, sha1);
+		run_rewrite_hook(&current_head->object.oid, &oid);
 	}
 	if (!quiet)
-		print_summary(prefix, sha1, !current_head);
+		print_summary(prefix, &oid, !current_head);
 
 	strbuf_release(&err);
 	return 0;