1 files changed, 6 insertions, 0 deletions
diff --git a/refs.c b/refs.c
index fa5471d219..00e87f8ee3 100644
--- a/refs.c
+++ b/refs.c
@@ -2863,3 +2863,9 @@ int ref_update_check_old_target(const char *referent, struct ref_update *update,
 			    referent, update->old_target);
 	return -1;
 }
+
+int ref_update_expects_existing_old_ref(struct ref_update *update)
+{
+	return (update->flags & REF_HAVE_OLD) &&
+		(!is_null_oid(&update->old_oid) || update->old_target);
+}