ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index edad20df387735633fc5e583d64242ae28adb31d..eed76cca55ce655cb51c793f21cd5ebbd363ba85 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -1007,7 +1007,7 @@ test_expect_success 'rebase -i with --strategy and -X' '
 '
 
 test_expect_success 'rebase -i error on commits with \ in message' '
-       current_head=$(git rev-parse HEAD)
+       current_head=$(git rev-parse HEAD) &&
        test_when_finished "git rebase --abort; git reset --hard $current_head; rm -f error" &&
        test_commit TO-REMOVE will-conflict old-content &&
        test_commit "\temp" will-conflict new-content dummy &&