git rebase master
'
+test_expect_success 'rebase off of the previous branch using "-"' '
+ git checkout master &&
+ git checkout HEAD^ &&
+ git rebase @{-1} >expect.messages &&
+ git merge-base master HEAD >expect.forkpoint &&
+
+ git checkout master &&
+ git checkout HEAD^ &&
+ git rebase - >actual.messages &&
+ git merge-base master HEAD >actual.forkpoint &&
+
+ test_cmp expect.forkpoint actual.forkpoint &&
+ # the next one is dubious---we may want to say "-",
+ # instead of @{-1}, in the message
+ test_i18ncmp expect.messages actual.messages
+'
+
test_expect_success 'rebase a single mode change' '
git checkout master &&
git branch -D topic &&