On Tue,  6 Feb 2018 17:12:53 -0800
Brandon Williams [off-list ref] wrote:

-const struct ref *transport_get_remote_refs(struct transport *transport)
+const struct ref *transport_get_remote_refs(struct transport *transport,
+					    const struct argv_array *ref_patterns)
 {
 	if (!transport->got_remote_refs) {
-		transport->remote_refs = transport->vtable->get_refs_list(transport, 0, NULL);
+		transport->remote_refs =
+			transport->vtable->get_refs_list(transport, 0,
+							 ref_patterns);
 		transport->got_remote_refs = 1;
 	}

Should we do our own client-side filtering if the server side cannot do
it for us (because it doesn't support protocol v2)? Either way, this
decision should be mentioned in the commit message.