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-rw-r--r--builtin/fetch.c9
-rwxr-xr-xt/t5510-fetch.sh13
2 files changed, 21 insertions, 1 deletions
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 80a64d0d26..5fb6d6bcf1 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -1732,8 +1732,15 @@ static int do_fetch(struct transport *transport,
goto cleanup;
retcode = ref_transaction_commit(transaction, &err);
- if (retcode)
+ if (retcode) {
+ /*
+ * Explicitly handle transaction cleanup to avoid
+ * aborting an already closed transaction.
+ */
+ ref_transaction_free(transaction);
+ transaction = NULL;
goto cleanup;
+ }
}
commit_fetch_head(&fetch_head);
diff --git a/t/t5510-fetch.sh b/t/t5510-fetch.sh
index 0890b9f61c..4fcf2209f5 100755
--- a/t/t5510-fetch.sh
+++ b/t/t5510-fetch.sh
@@ -345,6 +345,19 @@ test_expect_success 'fetch --atomic --append appends to FETCH_HEAD' '
test_cmp expected atomic/.git/FETCH_HEAD
'
+test_expect_success REFFILES 'fetch --atomic fails transaction if reference locked' '
+ test_when_finished "rm -rf upstream repo" &&
+
+ git init upstream &&
+ git -C upstream commit --allow-empty -m 1 &&
+ git -C upstream switch -c foobar &&
+ git clone --mirror upstream repo &&
+ git -C upstream commit --allow-empty -m 2 &&
+ touch repo/refs/heads/foobar.lock &&
+
+ test_must_fail git -C repo fetch --atomic origin
+'
+
test_expect_success '--refmap="" ignores configured refspec' '
cd "$TRASH_DIRECTORY" &&
git clone "$D" remote-refs &&