ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t6000-rev-list-misc.sh b/t/t6000-rev-list-misc.sh
index 7911ed9af6729de9263e5c958eda684a39bf3919..3e752ce03280ff694fedb6657fe2ed334127f253 100755 (executable)
--- a/t/t6000-rev-list-misc.sh
+++ b/t/t6000-rev-list-misc.sh
@@ -96,4 +96,8 @@ test_expect_success 'rev-list can show index objects' '
        test_cmp expect actual
 '
 
+test_expect_success '--bisect and --first-parent can not be combined' '
+       test_must_fail git rev-list --bisect --first-parent HEAD
+'
+
 test_done