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 checkout -b my-topic-branch &&
'the rebase operation should not have destroyed author information' \
'! (git log | grep "Author:" | grep "<>")'
+test_expect_success 'HEAD was detached during rebase' '
+ test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
+'
+
test_expect_success 'rebase after merge master' '
git reset --hard topic &&
git merge master &&
git checkout -b modechange HEAD^ &&
echo 1 > X &&
git add X &&
- chmod a+x A &&
+ test_chmod +x A &&
test_tick &&
- git commit -m modechange A X &&
+ git commit -m modechange &&
GIT_TRACE=1 git rebase master
'
+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