remote: convert match_push_refs to take a struct refspec

Convert 'match_push_refs()' to take a 'struct refspec' as a parameter
instead of an array of 'const char *'.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/remote.c

@@ -387,8 +387,7 @@ static int get_push_ref_states(const struct ref *remote_refs,
 	local_refs = get_local_heads();
 	push_map = copy_ref_list(remote_refs);
 
-	match_push_refs(local_refs, &push_map, remote->push.raw_nr,
-			remote->push.raw, MATCH_REFS_NONE);
+	match_push_refs(local_refs, &push_map, &remote->push, MATCH_REFS_NONE);
 
 	states->push.strdup_strings = 1;
 	for (ref = push_map; ref; ref = ref->next) {

builtin/send-pack.c

@@ -275,7 +275,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
 		flags |= MATCH_REFS_MIRROR;
 
 	/* match them up */
-	if (match_push_refs(local_refs, &remote_refs, rs.raw_nr, rs.raw, flags))
+	if (match_push_refs(local_refs, &remote_refs, &rs, flags))
 		return -1;
 
 	if (!is_empty_cas(&cas))

http-push.c

@@ -1823,8 +1823,7 @@ int cmd_main(int argc, const char **argv)
 	}
 
 	/* match them up */
-	if (match_push_refs(local_refs, &remote_refs,
-			    rs.raw_nr, rs.raw, push_all)) {
+	if (match_push_refs(local_refs, &remote_refs, &rs, push_all)) {
 		rc = -1;
 		goto cleanup;
 	}

remote.c

@@ -1285,23 +1285,20 @@ int check_push_refs(struct ref *src, int nr_refspec, const char **refspec_names)
  * dst (e.g. pushing to a new branch, done in match_explicit_refs).
  */
 int match_push_refs(struct ref *src, struct ref **dst,
-		    int nr_refspec, const char **refspec, int flags)
+		    struct refspec *rs, int flags)
 {
-	struct refspec rs = REFSPEC_INIT_PUSH;
 	int send_all = flags & MATCH_REFS_ALL;
 	int send_mirror = flags & MATCH_REFS_MIRROR;
 	int send_prune = flags & MATCH_REFS_PRUNE;
 	int errs;
-	static const char *default_refspec[] = { ":", NULL };
 	struct ref *ref, **dst_tail = tail_ref(dst);
 	struct string_list dst_ref_index = STRING_LIST_INIT_NODUP;
 
-	if (!nr_refspec) {
-		nr_refspec = 1;
-		refspec = default_refspec;
-	}
-	refspec_appendn(&rs, refspec, nr_refspec);
-	errs = match_explicit_refs(src, *dst, &dst_tail, &rs);
+	/* If no refspec is provided, use the default ":" */
+	if (!rs->nr)
+		refspec_append(rs, ":");
+
+	errs = match_explicit_refs(src, *dst, &dst_tail, rs);
 
 	/* pick the remainder */
 	for (ref = src; ref; ref = ref->next) {
@@ -1310,7 +1307,7 @@ int match_push_refs(struct ref *src, struct ref **dst,
 		const struct refspec_item *pat = NULL;
 		char *dst_name;
 
-		dst_name = get_ref_match(&rs, ref, send_mirror, FROM_SRC, &pat);
+		dst_name = get_ref_match(rs, ref, send_mirror, FROM_SRC, &pat);
 		if (!dst_name)
 			continue;
 
@@ -1359,7 +1356,7 @@ int match_push_refs(struct ref *src, struct ref **dst,
 				/* We're already sending something to this ref. */
 				continue;
 
-			src_name = get_ref_match(&rs, ref, send_mirror, FROM_DST, NULL);
+			src_name = get_ref_match(rs, ref, send_mirror, FROM_DST, NULL);
 			if (src_name) {
 				if (!src_ref_index.nr)
 					prepare_ref_index(&src_ref_index, src);
@@ -1372,8 +1369,6 @@ int match_push_refs(struct ref *src, struct ref **dst,
 		string_list_clear(&src_ref_index, 0);
 	}
 
-	refspec_clear(&rs);
-
 	if (errs)
 		return -1;
 	return 0;

remote.h

@@ -163,7 +163,7 @@ char *apply_refspecs(struct refspec *rs, const char *name);
 
 int check_push_refs(struct ref *src, int nr_refspec, const char **refspec);
 int match_push_refs(struct ref *src, struct ref **dst,
-		    int nr_refspec, const char **refspec, int all);
+		    struct refspec *rs, int flags);
 void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
 	int force_update);
 

transport.c

@@ -1127,10 +1127,8 @@ int transport_push(struct transport *transport,
 		if (flags & TRANSPORT_PUSH_FOLLOW_TAGS)
 			match_flags |= MATCH_REFS_FOLLOW_TAGS;
 
-		if (match_push_refs(local_refs, &remote_refs,
-				    rs->raw_nr, rs->raw, match_flags)) {
+		if (match_push_refs(local_refs, &remote_refs, rs, match_flags))
 			return -1;
-		}
 
 		if (transport->smart_options &&
 		    transport->smart_options->cas &&