Don't crash fast-import if the marks cannot be exported.

diff --git a/t/t4006-diff-mode.sh b/t/t4006-diff-mode.sh
index e2a67e9633811453c1b5c63d9936728e62e4585e..ca342f48a198c2e98e4459273e8350bb7aed6328 100755 (executable)
--- a/t/t4006-diff-mode.sh
+++ b/t/t4006-diff-mode.sh
@@ -15,11 +15,21 @@ test_expect_success \
      tree=`git-write-tree` &&
      echo $tree'
 
-test_expect_success \
-    'chmod' \
-    'chmod +x rezrov &&
-     git-update-index rezrov &&
-     git-diff-index $tree >current'
+if [ "$(git config --get core.filemode)" = false ]
+then
+       say 'filemode disabled on the filesystem, using update-index --chmod=+x'
+       test_expect_success \
+           'git-update-index --chmod=+x' \
+           'git-update-index rezrov &&
+            git-update-index --chmod=+x rezrov &&
+            git-diff-index $tree >current'
+else
+       test_expect_success \
+           'chmod' \
+           'chmod +x rezrov &&
+            git-update-index rezrov &&
+            git-diff-index $tree >current'
+fi
 
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