ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t6026-merge-attr.sh b/t/t6026-merge-attr.sh
index 5e439972bea358f700ded4266df31f7dc4514800..3c21938a6891feb61f821bc46ff8f09f1ee009d1 100755 (executable)
--- a/t/t6026-merge-attr.sh
+++ b/t/t6026-merge-attr.sh
@@ -11,7 +11,7 @@ test_expect_success setup '
 
        for f in text binary union
        do
-               echo Initial >$f && git add $f || break
+               echo Initial >$f && git add $f || return 1
        done &&
        test_tick &&
        git commit -m Initial &&
@@ -19,7 +19,7 @@ test_expect_success setup '
        git branch side &&
        for f in text binary union
        do
-               echo Master >>$f && git add $f || break
+               echo Master >>$f && git add $f || return 1
        done &&
        test_tick &&
        git commit -m Master &&
@@ -27,7 +27,7 @@ test_expect_success setup '
        git checkout side &&
        for f in text binary union
        do
-               echo Side >>$f && git add $f || break
+               echo Side >>$f && git add $f || return 1
        done &&
        test_tick &&
        git commit -m Side &&