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-rw-r--r--refs/files-backend.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 3957bfa579..ef760869ca 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2411,8 +2411,7 @@ static int lock_ref_for_update(struct files_ref_store *refs,
struct strbuf *err)
{
struct strbuf referent = STRBUF_INIT;
- int mustexist = (update->flags & REF_HAVE_OLD) &&
- !is_null_oid(&update->old_oid);
+ int mustexist = ref_update_expects_existing_old_ref(update);
int ret = 0;
struct ref_lock *lock;