Function is_unmatched_ref

fetch-pack.c:681–689

}

static int is_unmatched_ref(const struct ref *ref)
{
	struct object_id oid;
	const char *p;
	return	ref->match_status == REF_NOT_MATCHED &&
		!parse_oid_hex(ref->name, &oid, &p) &&
		*p == '\0' &&
		oideq(&oid, &ref->old_oid);
}

static void filter_refs(struct fetch_pack_args *args,
			struct ref **refs,