Merge branch 'ps/reftable-repo-init-fix'

Clear the fallout from a fix for 2.44 regression.

* ps/reftable-repo-init-fix:
  t0610: remove unused variable assignment
  refs/reftable: don't fail empty transactions in repo without HEAD

refs/reftable-backend.c

@@ -781,6 +781,7 @@ static int reftable_be_transaction_prepare(struct ref_store *ref_store,
 				      &head_referent, &head_type);
 	if (ret < 0)
 		goto done;
+	ret = 0;
 
 	for (i = 0; i < transaction->nr; i++) {
 		struct ref_update *u = transaction->updates[i];