git branch -M baz bam
'
+test_expect_success 'git branch -M master should work when master is checked out' '
+ git checkout master &&
+ git branch -M master
+'
+
+test_expect_success 'git branch -M master master should work when master is checked out' '
+ git checkout master &&
+ git branch -M master master
+'
+
+test_expect_success 'git branch -M master2 master2 should work when master is checked out' '
+ git checkout master &&
+ git branch master2 &&
+ git branch -M master2 master2
+'
+
test_expect_success 'git branch -v -d t should work' '
git branch t &&
test_path_is_file .git/refs/heads/t &&