test_must_fail git rebase
'
+test_expect_success 'rebase works with format.useAutoBase' '
+ test_config format.useAutoBase true &&
+ git checkout topic &&
+ git rebase master
+'
+
test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg' '
git checkout -b default-base master &&
git checkout -b default topic &&