test_must_fail test_dirty_mergeable
'
+test_expect_success 'checkout -b <describe>' '
+ git tag -f -m "First commit" initial initial &&
+ git checkout -f change1 &&
+ name=$(git describe) &&
+ git checkout -b $name &&
+ git diff --exit-code change1 &&
+ echo "refs/heads/$name" >expect &&
+ git symbolic-ref HEAD >actual &&
+ test_cmp expect actual
+'
+
test_done