expose a helper function peel_to_type().

diff --git a/t/t3400-rebase.sh b/t/t3400-rebase.sh
index 62205b25312812f3197b38a655d92da4fa7c0a91..496f4ec17217769228954116528b0fc0c1ef2a62 100755 (executable)
--- a/t/t3400-rebase.sh
+++ b/t/t3400-rebase.sh
@@ -42,9 +42,9 @@ test_expect_success \
 test_expect_success 'rebase against master' '
      git rebase master'
 
-test_expect_failure \
+test_expect_success \
     'the rebase operation should not have destroyed author information' \
-    'git log | grep "Author:" | grep "<>"'
+    '! git log | grep "Author:" | grep "<>"'
 
 test_expect_success 'rebase after merge master' '
      git reset --hard topic &&
@@ -68,4 +68,19 @@ test_expect_success \
      test 3 = $(git rev-list master.. | wc -l)
 '
 
+test_expect_success 'rebase a single mode change' '
+     git checkout master &&
+     echo 1 > X &&
+     git add X &&
+     test_tick &&
+     git commit -m prepare &&
+     git checkout -b modechange HEAD^ &&
+     echo 1 > X &&
+     git add X &&
+     chmod a+x A &&
+     test_tick &&
+     git commit -m modechange A X &&
+     GIT_TRACE=1 git rebase master
+'
+
 test_done