1 files changed, 174 insertions, 151 deletions

diff --git a/builtin/remote.c b/builtin/remote.c
index 4e14891095..5d3ab906bc 100644
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -6,13 +6,14 @@
 #include "strbuf.h"
 #include "run-command.h"
 #include "refs.h"
+#include "argv-array.h"
 
 static const char * const builtin_remote_usage[] = {
 	N_("git remote [-v | --verbose]"),
-	N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags|--no-tags] [--mirror=<fetch|push>] <name> <url>"),
+	N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags | --no-tags] [--mirror=<fetch|push>] <name> <url>"),
 	N_("git remote rename <old> <new>"),
 	N_("git remote remove <name>"),
-	N_("git remote set-head <name> (-a | --auto | -d | --delete |<branch>)"),
+	N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
 	N_("git remote [-v | --verbose] show [-n] <name>"),
 	N_("git remote prune [-n | --dry-run] <name>"),
 	N_("git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]"),
@@ -77,17 +78,6 @@ static const char * const builtin_remote_seturl_usage[] = {
 
 static int verbose;
 
-static int show_all(void);
-static int prune_remote(const char *remote, int dry_run);
-
-static inline int postfixcmp(const char *string, const char *postfix)
-{
-	int len1 = strlen(string), len2 = strlen(postfix);
-	if (len1 < len2)
-		return 1;
-	return strcmp(string + len1 - len2, postfix);
-}
-
 static int fetch_remote(const char *name)
 {
 	const char *argv[] = { "fetch", name, NULL, NULL };
@@ -190,7 +180,9 @@ static int add(int argc, const char **argv)
 	url = argv[1];
 
 	remote = remote_get(name);
-	if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
+	if (remote && (remote->url_nr > 1 ||
+			(strcmp(name, remote->url[0]) &&
+				strcmp(url, remote->url[0])) ||
 			remote->fetch_refspec_nr))
 		die(_("remote %s already exists."), name);
 
@@ -260,31 +252,30 @@ static struct string_list branch_list;
 
 static const char *abbrev_ref(const char *name, const char *prefix)
 {
-	const char *abbrev = skip_prefix(name, prefix);
-	if (abbrev)
-		return abbrev;
+	skip_prefix(name, prefix, &name);
 	return name;
 }
 #define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 
 static int config_read_branches(const char *key, const char *value, void *cb)
 {
-	if (!prefixcmp(key, "branch.")) {
+	if (starts_with(key, "branch.")) {
 		const char *orig_key = key;
 		char *name;
 		struct string_list_item *item;
 		struct branch_info *info;
 		enum { REMOTE, MERGE, REBASE } type;
+		size_t key_len;
 
 		key += 7;
-		if (!postfixcmp(key, ".remote")) {
-			name = xstrndup(key, strlen(key) - 7);
+		if (strip_suffix(key, ".remote", &key_len)) {
+			name = xmemdupz(key, key_len);
 			type = REMOTE;
-		} else if (!postfixcmp(key, ".merge")) {
-			name = xstrndup(key, strlen(key) - 6);
+		} else if (strip_suffix(key, ".merge", &key_len)) {
+			name = xmemdupz(key, key_len);
 			type = MERGE;
-		} else if (!postfixcmp(key, ".rebase")) {
-			name = xstrndup(key, strlen(key) - 7);
+		} else if (strip_suffix(key, ".rebase", &key_len)) {
+			name = xmemdupz(key, key_len);
 			type = REBASE;
 		} else
 			return 0;
@@ -292,7 +283,7 @@ static int config_read_branches(const char *key, const char *value, void *cb)
 		item = string_list_insert(&branch_list, name);
 
 		if (!item->util)
-			item->util = xcalloc(sizeof(struct branch_info), 1);
+			item->util = xcalloc(1, sizeof(struct branch_info));
 		info = item->util;
 		if (type == REMOTE) {
 			if (info->remote_name)
@@ -309,8 +300,13 @@ static int config_read_branches(const char *key, const char *value, void *cb)
 				space = strchr(value, ' ');
 			}
 			string_list_append(&info->merge, xstrdup(value));
-		} else
-			info->rebase = git_config_bool(orig_key, value);
+		} else {
+			int v = git_config_maybe_bool(orig_key, value);
+			if (v >= 0)
+				info->rebase = v;
+			else if (!strcmp(value, "preserve"))
+				info->rebase = 1;
+		}
 	}
 	return 0;
 }
@@ -358,9 +354,9 @@ static int get_ref_states(const struct ref *remote_refs, struct ref_states *stat
 	free_refs(stale_refs);
 	free_refs(fetch_map);
 
-	sort_string_list(&states->new);
-	sort_string_list(&states->tracked);
-	sort_string_list(&states->stale);
+	string_list_sort(&states->new);
+	string_list_sort(&states->tracked);
+	string_list_sort(&states->stale);
 
 	return 0;
 }
@@ -403,7 +399,7 @@ static int get_push_ref_states(const struct ref *remote_refs,
 
 		item = string_list_append(&states->push,
 					  abbrev_branch(ref->peer_ref->name));
-		item->util = xcalloc(sizeof(struct push_info), 1);
+		item->util = xcalloc(1, sizeof(struct push_info));
 		info = item->util;
 		info->forced = ref->force;
 		info->dest = xstrdup(abbrev_branch(ref->name));
@@ -438,7 +434,7 @@ static int get_push_ref_states_noquery(struct ref_states *states)
 	states->push.strdup_strings = 1;
 	if (!remote->push_refspec_nr) {
 		item = string_list_append(&states->push, _("(matching)"));
-		info = item->util = xcalloc(sizeof(struct push_info), 1);
+		info = item->util = xcalloc(1, sizeof(struct push_info));
 		info->status = PUSH_STATUS_NOTQUERIED;
 		info->dest = xstrdup(item->string);
 	}
@@ -451,7 +447,7 @@ static int get_push_ref_states_noquery(struct ref_states *states)
 		else
 			item = string_list_append(&states->push, _("(delete)"));
 
-		info = item->util = xcalloc(sizeof(struct push_info), 1);
+		info = item->util = xcalloc(1, sizeof(struct push_info));
 		info->forced = spec->force;
 		info->status = PUSH_STATUS_NOTQUERIED;
 		info->dest = xstrdup(spec->dst ? spec->dst : item->string);
@@ -534,9 +530,9 @@ static int add_branch_for_removal(const char *refname,
 	}
 
 	/* don't delete non-remote-tracking refs */
-	if (prefixcmp(refname, "refs/remotes/")) {
+	if (!starts_with(refname, "refs/remotes/")) {
 		/* advise user how to delete local branches */
-		if (!prefixcmp(refname, "refs/heads/"))
+		if (starts_with(refname, "refs/heads/"))
 			string_list_append(branches->skipped,
 					   abbrev_branch(refname));
 		/* silently skip over other non-remote refs */
@@ -571,9 +567,10 @@ static int read_remote_branches(const char *refname,
 	const char *symref;
 
 	strbuf_addf(&buf, "refs/remotes/%s/", rename->old);
-	if (!prefixcmp(refname, buf.buf)) {
+	if (starts_with(refname, buf.buf)) {
 		item = string_list_append(rename->remote_branches, xstrdup(refname));
-		symref = resolve_ref_unsafe(refname, orig_sha1, 1, &flag);
+		symref = resolve_ref_unsafe(refname, RESOLVE_REF_READING,
+					    orig_sha1, &flag);
 		if (flag & REF_ISSYMREF)
 			item->util = xstrdup(symref);
 		else
@@ -709,7 +706,7 @@ static int mv(int argc, const char **argv)
 		int flag = 0;
 		unsigned char sha1[20];
 
-		read_ref_full(item->string, sha1, 1, &flag);
+		read_ref_full(item->string, RESOLVE_REF_READING, sha1, &flag);
 		if (!(flag & REF_ISSYMREF))
 			continue;
 		if (delete_ref(item->string, NULL, REF_NODEREF))
@@ -754,15 +751,21 @@ static int mv(int argc, const char **argv)
 
 static int remove_branches(struct string_list *branches)
 {
+	struct strbuf err = STRBUF_INIT;
 	int i, result = 0;
+
+	if (repack_without_refs(branches, &err))
+		result |= error("%s", err.buf);
+	strbuf_release(&err);
+
 	for (i = 0; i < branches->nr; i++) {
 		struct string_list_item *item = branches->items + i;
 		const char *refname = item->string;
-		unsigned char *sha1 = item->util;
 
-		if (delete_ref(refname, sha1, 0))
+		if (delete_ref(refname, NULL, 0))
 			result |= error(_("Could not remove branch %s"), refname);
 	}
+
 	return result;
 }
 
@@ -794,10 +797,6 @@ static int rm(int argc, const char **argv)
 	known_remotes.to_delete = remote;
 	for_each_remote(add_known_remote, &known_remotes);
 
-	strbuf_addf(&buf, "remote.%s", remote->name);
-	if (git_config_rename_section(buf.buf, NULL) < 1)
-		return error(_("Could not remove config section '%s'"), buf.buf);
-
 	read_branches();
 	for (i = 0; i < branch_list.nr; i++) {
 		struct string_list_item *item = branch_list.items + i;
@@ -842,6 +841,12 @@ static int rm(int argc, const char **argv)
 	}
 	string_list_clear(&skipped, 0);
 
+	if (!result) {
+		strbuf_addf(&buf, "remote.%s", remote->name);
+		if (git_config_rename_section(buf.buf, NULL) < 1)
+			return error(_("Could not remove config section '%s'"), buf.buf);
+	}
+
 	return result;
 }
 
@@ -906,7 +911,7 @@ static int get_remote_ref_states(const char *name,
 			get_push_ref_states(remote_refs, states);
 	} else {
 		for_each_ref(append_ref_to_tracked_list, states);
-		sort_string_list(&states->tracked);
+		string_list_sort(&states->tracked);
 		get_push_ref_states_noquery(states);
 	}
 
@@ -1084,6 +1089,64 @@ static int show_push_info_item(struct string_list_item *item, void *cb_data)
 	return 0;
 }
 
+static int get_one_entry(struct remote *remote, void *priv)
+{
+	struct string_list *list = priv;
+	struct strbuf url_buf = STRBUF_INIT;
+	const char **url;
+	int i, url_nr;
+
+	if (remote->url_nr > 0) {
+		strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
+		string_list_append(list, remote->name)->util =
+				strbuf_detach(&url_buf, NULL);
+	} else
+		string_list_append(list, remote->name)->util = NULL;
+	if (remote->pushurl_nr) {
+		url = remote->pushurl;
+		url_nr = remote->pushurl_nr;
+	} else {
+		url = remote->url;
+		url_nr = remote->url_nr;
+	}
+	for (i = 0; i < url_nr; i++)
+	{
+		strbuf_addf(&url_buf, "%s (push)", url[i]);
+		string_list_append(list, remote->name)->util =
+				strbuf_detach(&url_buf, NULL);
+	}
+
+	return 0;
+}
+
+static int show_all(void)
+{
+	struct string_list list = STRING_LIST_INIT_NODUP;
+	int result;
+
+	list.strdup_strings = 1;
+	result = for_each_remote(get_one_entry, &list);
+
+	if (!result) {
+		int i;
+
+		string_list_sort(&list);
+		for (i = 0; i < list.nr; i++) {
+			struct string_list_item *item = list.items + i;
+			if (verbose)
+				printf("%s\t%s\n", item->string,
+					item->util ? (const char *)item->util : "");
+			else {
+				if (i && !strcmp((item - 1)->string, item->string))
+					continue;
+				printf("%s\n", item->string);
+			}
+		}
+	}
+	string_list_clear(&list, 1);
+	return result;
+}
+
 static int show(int argc, const char **argv)
 {
 	int no_query = 0, result = 0, query_flag = 0;
@@ -1246,30 +1309,12 @@ static int set_head(int argc, const char **argv)
 	return result;
 }
 
-static int prune(int argc, const char **argv)
-{
-	int dry_run = 0, result = 0;
-	struct option options[] = {
-		OPT__DRY_RUN(&dry_run, N_("dry run")),
-		OPT_END()
-	};
-
-	argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
-			     0);
-
-	if (argc < 1)
-		usage_with_options(builtin_remote_prune_usage, options);
-
-	for (; argc; argc--, argv++)
-		result |= prune_remote(*argv, dry_run);
-
-	return result;
-}
-
 static int prune_remote(const char *remote, int dry_run)
 {
-	int result = 0, i;
+	int result = 0;
 	struct ref_states states;
+	struct string_list refs_to_prune = STRING_LIST_INIT_NODUP;
+	struct string_list_item *item;
 	const char *dangling_msg = dry_run
 		? _(" %s will become dangling!")
 		: _(" %s has become dangling!");
@@ -1277,16 +1322,30 @@ static int prune_remote(const char *remote, int dry_run)
 	memset(&states, 0, sizeof(states));
 	get_remote_ref_states(remote, &states, GET_REF_STATES);
 
-	if (states.stale.nr) {
-		printf_ln(_("Pruning %s"), remote);
-		printf_ln(_("URL: %s"),
-		       states.remote->url_nr
-		       ? states.remote->url[0]
-		       : _("(no URL)"));
+	if (!states.stale.nr) {
+		free_remote_ref_states(&states);
+		return 0;
+	}
+
+	printf_ln(_("Pruning %s"), remote);
+	printf_ln(_("URL: %s"),
+		  states.remote->url_nr
+		  ? states.remote->url[0]
+		  : _("(no URL)"));
+
+	for_each_string_list_item(item, &states.stale)
+		string_list_append(&refs_to_prune, item->util);
+	string_list_sort(&refs_to_prune);
+
+	if (!dry_run) {
+		struct strbuf err = STRBUF_INIT;
+		if (repack_without_refs(&refs_to_prune, &err))
+			result |= error("%s", err.buf);
+		strbuf_release(&err);
 	}
 
-	for (i = 0; i < states.stale.nr; i++) {
-		const char *refname = states.stale.items[i].util;
+	for_each_string_list_item(item, &states.stale) {
+		const char *refname = item->util;
 
 		if (!dry_run)
 			result |= delete_ref(refname, NULL, 0);
@@ -1297,13 +1356,35 @@ static int prune_remote(const char *remote, int dry_run)
 		else
 			printf_ln(_(" * [pruned] %s"),
 			       abbrev_ref(refname, "refs/remotes/"));
-		warn_dangling_symref(stdout, dangling_msg, refname);
 	}
 
+	warn_dangling_symrefs(stdout, dangling_msg, &refs_to_prune);
+
+	string_list_clear(&refs_to_prune, 0);
 	free_remote_ref_states(&states);
 	return result;
 }
 
+static int prune(int argc, const char **argv)
+{
+	int dry_run = 0, result = 0;
+	struct option options[] = {
+		OPT__DRY_RUN(&dry_run, N_("dry run")),
+		OPT_END()
+	};
+
+	argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
+			     0);
+
+	if (argc < 1)
+		usage_with_options(builtin_remote_prune_usage, options);
+
+	for (; argc; argc--, argv++)
+		result |= prune_remote(*argv, dry_run);
+
+	return result;
+}
+
 static int get_remote_default(const char *key, const char *value, void *priv)
 {
 	if (strcmp(key, "remotes.default") == 0) {
@@ -1315,42 +1396,42 @@ static int get_remote_default(const char *key, const char *value, void *priv)
 
 static int update(int argc, const char **argv)
 {
-	int i, prune = 0;
+	int i, prune = -1;
 	struct option options[] = {
 		OPT_BOOL('p', "prune", &prune,
 			 N_("prune remotes after fetching")),
 		OPT_END()
 	};
-	const char **fetch_argv;
-	int fetch_argc = 0;
+	struct argv_array fetch_argv = ARGV_ARRAY_INIT;
 	int default_defined = 0;
-
-	fetch_argv = xmalloc(sizeof(char *) * (argc+5));
+	int retval;
 
 	argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
 			     PARSE_OPT_KEEP_ARGV0);
 
-	fetch_argv[fetch_argc++] = "fetch";
+	argv_array_push(&fetch_argv, "fetch");
 
-	if (prune)
-		fetch_argv[fetch_argc++] = "--prune";
+	if (prune != -1)
+		argv_array_push(&fetch_argv, prune ? "--prune" : "--no-prune");
 	if (verbose)
-		fetch_argv[fetch_argc++] = "-v";
-	fetch_argv[fetch_argc++] = "--multiple";
+		argv_array_push(&fetch_argv, "-v");
+	argv_array_push(&fetch_argv, "--multiple");
 	if (argc < 2)
-		fetch_argv[fetch_argc++] = "default";
+		argv_array_push(&fetch_argv, "default");
 	for (i = 1; i < argc; i++)
-		fetch_argv[fetch_argc++] = argv[i];
+		argv_array_push(&fetch_argv, argv[i]);
 
-	if (strcmp(fetch_argv[fetch_argc-1], "default") == 0) {
+	if (strcmp(fetch_argv.argv[fetch_argv.argc-1], "default") == 0) {
 		git_config(get_remote_default, &default_defined);
-		if (!default_defined)
-			fetch_argv[fetch_argc-1] = "--all";
+		if (!default_defined) {
+			argv_array_pop(&fetch_argv);
+			argv_array_push(&fetch_argv, "--all");
+		}
 	}
 
-	fetch_argv[fetch_argc] = NULL;
-
-	return run_command_v_opt(fetch_argv, RUN_GIT_CMD);
+	retval = run_command_v_opt(fetch_argv.argv, RUN_GIT_CMD);
+	argv_array_clear(&fetch_argv);
+	return retval;
 }
 
 static int remove_all_fetch_refspecs(const char *remote, const char *key)
@@ -1505,64 +1586,6 @@ static int set_url(int argc, const char **argv)
 	return 0;
 }
 
-static int get_one_entry(struct remote *remote, void *priv)
-{
-	struct string_list *list = priv;
-	struct strbuf url_buf = STRBUF_INIT;
-	const char **url;
-	int i, url_nr;
-
-	if (remote->url_nr > 0) {
-		strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
-		string_list_append(list, remote->name)->util =
-				strbuf_detach(&url_buf, NULL);
-	} else
-		string_list_append(list, remote->name)->util = NULL;
-	if (remote->pushurl_nr) {
-		url = remote->pushurl;
-		url_nr = remote->pushurl_nr;
-	} else {
-		url = remote->url;
-		url_nr = remote->url_nr;
-	}
-	for (i = 0; i < url_nr; i++)
-	{
-		strbuf_addf(&url_buf, "%s (push)", url[i]);
-		string_list_append(list, remote->name)->util =
-				strbuf_detach(&url_buf, NULL);
-	}
-
-	return 0;
-}
-
-static int show_all(void)
-{
-	struct string_list list = STRING_LIST_INIT_NODUP;
-	int result;
-
-	list.strdup_strings = 1;
-	result = for_each_remote(get_one_entry, &list);
-
-	if (!result) {
-		int i;
-
-		sort_string_list(&list);
-		for (i = 0; i < list.nr; i++) {
-			struct string_list_item *item = list.items + i;
-			if (verbose)
-				printf("%s\t%s\n", item->string,
-					item->util ? (const char *)item->util : "");
-			else {
-				if (i && !strcmp((item - 1)->string, item->string))
-					continue;
-				printf("%s\n", item->string);
-			}
-		}
-	}
-	string_list_clear(&list, 1);
-	return result;
-}
-
 int cmd_remote(int argc, const char **argv, const char *prefix)
 {
 	struct option options[] = {