index-pack: work around thread-unsafe pread()

diff --git a/t/t3409-rebase-preserve-merges.sh b/t/t3409-rebase-preserve-merges.sh
index 2e0c36415fe525663fdcc64675fd081c642732ed..8c251c57a6827317a9c17fac2a0e99df3c9becf8 100755 (executable)
--- a/t/t3409-rebase-preserve-merges.sh
+++ b/t/t3409-rebase-preserve-merges.sh
@@ -28,6 +28,8 @@ export GIT_AUTHOR_EMAIL
 #     \--A3    <-- topic2
 #      \
 #       B2     <-- origin/topic
+#
+# Clone 4 (same as Clone 3)
 
 test_expect_success 'setup for merge-preserving rebase' \
        'echo First > A &&
@@ -64,6 +66,16 @@ test_expect_success 'setup for merge-preserving rebase' \
                git merge --no-ff topic2
        ) &&
 
+       git clone ./. clone4 &&
+       (
+               cd clone4 &&
+               git checkout -b topic2 origin/topic &&
+               echo Sixth > A &&
+               git commit -a -m "Modify A3" &&
+               git checkout -b topic origin/topic &&
+               git merge --no-ff topic2
+       ) &&
+
        git checkout topic &&
        echo Fourth >> B &&
        git commit -a -m "Modify B2"
@@ -96,4 +108,15 @@ test_expect_success 'rebase -p preserves no-ff merges' '
        )
 '
 
+test_expect_success 'rebase -p ignores merge.log config' '
+       (
+       cd clone4 &&
+       git fetch &&
+       git -c merge.log=1 rebase -p origin/topic &&
+       echo >expected &&
+       git log --format="%b" -1 >current &&
+       test_cmp expected current
+       )
+'
+
 test_done