ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh
index a72e700ae434b07b08b48a68d4c0ebaa8173002b..ab36b1eb72ffc4a54240b37e908cc994756f2f26 100755 (executable)
--- a/t/t1006-cat-file.sh
+++ b/t/t1006-cat-file.sh
@@ -274,7 +274,7 @@ test_expect_success 'setup blobs which are likely to delta' '
 '
 
 test_expect_success 'confirm that neither loose blob is a delta' '
-       cat >expect <<-EOF
+       cat >expect <<-EOF &&
        $_z40
        $_z40
        EOF