Make old sha1 optional with git update-ref -d

diff --git a/walker.c b/walker.c
index c10eca88261eed6b0e5c3fc2fdc19b8332c4ac6b..31de6c16bd021003bdd4fc1475bfe500f28773f4 100644 (file)
--- a/walker.c
+++ b/walker.c
@@ -190,9 +190,13 @@ static int interpret_target(struct walker *walker, char *target, unsigned char *
        if (!get_sha1_hex(target, sha1))
                return 0;
        if (!check_ref_format(target)) {
-               if (!walker->fetch_ref(walker, target, sha1)) {
+               struct ref *ref = alloc_ref_from_str(target);
+               if (!walker->fetch_ref(walker, ref)) {
+                       hashcpy(sha1, ref->old_sha1);
+                       free(ref);
                        return 0;
                }
+               free(ref);
        }
        return -1;
 }