rerere: remove duplicated functions

diff --git a/t/t3400-rebase.sh b/t/t3400-rebase.sh
index 496f4ec17217769228954116528b0fc0c1ef2a62..8c0c5f59827544b47cc7a75f0c3f39cfcecf0a7e 100755 (executable)
--- a/t/t3400-rebase.sh
+++ b/t/t3400-rebase.sh
@@ -9,21 +9,23 @@ This test runs git rebase and checks that the author information is not lost.
 '
 . ./test-lib.sh
 
-export GIT_AUTHOR_EMAIL=bogus_email_address
+GIT_AUTHOR_EMAIL=bogus_email_address
+export GIT_AUTHOR_EMAIL
 
 test_expect_success \
     'prepare repository with topic branches' \
-    'echo First > A &&
+    'git config core.logAllRefUpdates true &&
+     echo First > A &&
      git update-index --add A &&
-     git-commit -m "Add A." &&
+     git commit -m "Add A." &&
      git checkout -b my-topic-branch &&
      echo Second > B &&
      git update-index --add B &&
-     git-commit -m "Add B." &&
+     git commit -m "Add B." &&
      git checkout -f master &&
      echo Third >> A &&
      git update-index A &&
-     git-commit -m "Modify A." &&
+     git commit -m "Modify A." &&
      git checkout -b side my-topic-branch &&
      echo Side >> C &&
      git add C &&
@@ -44,13 +46,13 @@ test_expect_success 'rebase against master' '
 
 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 &&
      git merge master &&
      git rebase master &&
-     ! git show | grep "^Merge:"
+     ! (git show | grep "^Merge:")
 '
 
 test_expect_success 'rebase of history with merges is linearized' '
@@ -83,4 +85,14 @@ test_expect_success 'rebase a single mode change' '
      GIT_TRACE=1 git rebase master
 '
 
+test_expect_success 'HEAD was detached during rebase' '
+     test $(git rev-parse HEAD@{1}) != $(git rev-parse modechange@{1})
+'
+
+test_expect_success 'Show verbose error when HEAD could not be detached' '
+     : > B &&
+     test_must_fail git rebase topic 2> output.err > output.out &&
+     grep "Untracked working tree file .B. would be overwritten" output.err
+'
+
 test_done