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-rw-r--r--builtin/fetch.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 75a55e590b..f9512652cf 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -415,8 +415,10 @@ static int s_update_ref(const char *action,
transaction = ref_transaction_begin(&err);
if (!transaction ||
- ref_transaction_update(transaction, ref->name, ref->new_sha1,
- ref->old_sha1, 0, check_old, msg, &err))
+ ref_transaction_update(transaction, ref->name,
+ ref->new_sha1,
+ check_old ? ref->old_sha1 : NULL,
+ 0, msg, &err))
goto fail;
ret = ref_transaction_commit(transaction, &err);