shell portability: no "export VAR=VAL"

diff --git a/t/t3409-rebase-preserve-merges.sh b/t/t3409-rebase-preserve-merges.sh
index 8f785e7957519eaa3dd1ef946c905054c4fa0e6c..74161a42ec34c2d33780a80425ec1be5a4028f03 100755 (executable)
--- a/t/t3409-rebase-preserve-merges.sh
+++ b/t/t3409-rebase-preserve-merges.sh
@@ -42,23 +42,24 @@ test_expect_success 'setup for merge-preserving rebase' \
        git commit -a -m "Modify A2" &&
 
        git clone ./. clone1 &&
-       cd clone1 &&
+       (cd clone1 &&
        git checkout -b topic origin/topic &&
-       git merge origin/master &&
-       cd .. &&
+       git merge origin/master
+       ) &&
 
        echo Fifth > B &&
        git add B &&
        git commit -m "Add different B" &&
 
        git clone ./. clone2 &&
-       cd clone2 &&
-       git checkout -b topic origin/topic &&
-       test_must_fail git merge origin/master &&
-       echo Resolved > B &&
-       git add B &&
-       git commit -m "Merge origin/master into topic" &&
-       cd .. &&
+       (
+               cd clone2 &&
+               git checkout -b topic origin/topic &&
+               test_must_fail git merge origin/master &&
+               echo Resolved >B &&
+               git add B &&
+               git commit -m "Merge origin/master into topic"
+       ) &&
 
        git checkout topic &&
        echo Fourth >> B &&