1 files changed, 50 insertions, 11 deletions

diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c
index 66cdd45cc1..1d7f1f5ce2 100644
--- a/builtin/ls-remote.c
+++ b/builtin/ls-remote.c
@@ -1,7 +1,9 @@
 #include "builtin.h"
 #include "cache.h"
 #include "transport.h"
+#include "ref-filter.h"
 #include "remote.h"
+#include "refs.h"
 
 static const char * const ls_remote_usage[] = {
 	N_("git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
@@ -17,17 +19,19 @@ static const char * const ls_remote_usage[] = {
 static int tail_match(const char **pattern, const char *path)
 {
 	const char *p;
-	char pathbuf[PATH_MAX];
+	char *pathbuf;
 
 	if (!pattern)
 		return 1; /* no restriction */
 
-	if (snprintf(pathbuf, sizeof(pathbuf), "/%s", path) > sizeof(pathbuf))
-		return error("insanely long ref %.*s...", 20, path);
+	pathbuf = xstrfmt("/%s", path);
 	while ((p = *(pattern++)) != NULL) {
-		if (!wildmatch(p, pathbuf, 0, NULL))
+		if (!wildmatch(p, pathbuf, 0)) {
+			free(pathbuf);
 			return 1;
+		}
 	}
+	free(pathbuf);
 	return 0;
 }
 
@@ -41,10 +45,15 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 	int show_symref_target = 0;
 	const char *uploadpack = NULL;
 	const char **pattern = NULL;
+	struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
+	int i;
+	struct string_list server_options = STRING_LIST_INIT_DUP;
 
 	struct remote *remote;
 	struct transport *transport;
 	const struct ref *ref;
+	struct ref_array ref_array;
+	static struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
 
 	struct option options[] = {
 		OPT__QUIET(&quiet, N_("do not print remote URL")),
@@ -58,13 +67,19 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 		OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
 		OPT_BOOL(0, "get-url", &get_url,
 			 N_("take url.<base>.insteadOf into account")),
-		OPT_SET_INT(0, "exit-code", &status,
-			    N_("exit with exit code 2 if no matching refs are found"), 2),
+		OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
+			     N_("field name to sort on"), &parse_opt_ref_sorting),
+		OPT_SET_INT_F(0, "exit-code", &status,
+			      N_("exit with exit code 2 if no matching refs are found"),
+			      2, PARSE_OPT_NOCOMPLETE),
 		OPT_BOOL(0, "symref", &show_symref_target,
 			 N_("show underlying ref in addition to the object pointed by it")),
+		OPT_STRING_LIST('o', "server-option", &server_options, N_("server-specific"), N_("option to transmit")),
 		OPT_END()
 	};
 
+	memset(&ref_array, 0, sizeof(ref_array));
+
 	argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
 			     PARSE_OPT_STOP_AT_NON_OPTION);
 	dest = argv[0];
@@ -72,10 +87,16 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 	if (argc > 1) {
 		int i;
 		pattern = xcalloc(argc, sizeof(const char *));
-		for (i = 1; i < argc; i++)
+		for (i = 1; i < argc; i++) {
 			pattern[i - 1] = xstrfmt("*/%s", argv[i]);
+		}
 	}
 
+	if (flags & REF_TAGS)
+		argv_array_push(&ref_prefixes, "refs/tags/");
+	if (flags & REF_HEADS)
+		argv_array_push(&ref_prefixes, "refs/heads/");
+
 	remote = remote_get(dest);
 	if (!remote) {
 		if (dest)
@@ -87,28 +108,46 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 
 	if (get_url) {
 		printf("%s\n", *remote->url);
+		UNLEAK(sorting);
 		return 0;
 	}
 
 	transport = transport_get(remote, NULL);
 	if (uploadpack != NULL)
 		transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
+	if (server_options.nr)
+		transport->server_options = &server_options;
 
-	ref = transport_get_remote_refs(transport);
-	if (transport_disconnect(transport))
+	ref = transport_get_remote_refs(transport, &ref_prefixes);
+	if (transport_disconnect(transport)) {
+		UNLEAK(sorting);
 		return 1;
+	}
 
 	if (!dest && !quiet)
 		fprintf(stderr, "From %s\n", *remote->url);
 	for ( ; ref; ref = ref->next) {
+		struct ref_array_item *item;
 		if (!check_ref_type(ref, flags))
 			continue;
 		if (!tail_match(pattern, ref->name))
 			continue;
+		item = ref_array_push(&ref_array, ref->name, &ref->old_oid);
+		item->symref = xstrdup_or_null(ref->symref);
+	}
+
+	if (sorting)
+		ref_array_sort(sorting, &ref_array);
+
+	for (i = 0; i < ref_array.nr; i++) {
+		const struct ref_array_item *ref = ref_array.items[i];
 		if (show_symref_target && ref->symref)
-			printf("ref: %s\t%s\n", ref->symref, ref->name);
-		printf("%s\t%s\n", oid_to_hex(&ref->old_oid), ref->name);
+			printf("ref: %s\t%s\n", ref->symref, ref->refname);
+		printf("%s\t%s\n", oid_to_hex(&ref->objectname), ref->refname);
 		status = 0; /* we found something */
 	}
+
+	UNLEAK(sorting);
+	ref_array_clear(&ref_array);
 	return status;
 }