git-branch -d l/m &&
git-branch l'
+test_expect_success \
+ 'git branch -m m m/m should work' \
+ 'git-branch -l m &&
+ git-branch -m m m/m &&
+ test -f .git/logs/refs/heads/m/m'
+
+test_expect_success \
+ 'git branch -m n/n n should work' \
+ 'git-branch -l n/n &&
+ git-branch -m n/n n
+ test -f .git/logs/refs/heads/n'
+
+test_expect_failure \
+ 'git branch -m o/o o should fail when o/p exists' \
+ 'git-branch o/o &&
+ git-branch o/p &&
+ git-branch -m o/o o'
+
+test_expect_failure \
+ 'git branch -m q r/q should fail when r exists' \
+ 'git-branch q &&
+ git-branch r &&
+ git-branch -m q r/q'
+
+test_expect_success \
+ 'git branch -m s/s s should work when s/t is deleted' \
+ 'git-branch -l s/s &&
+ test -f .git/logs/refs/heads/s/s &&
+ git-branch -l s/t &&
+ test -f .git/logs/refs/heads/s/t &&
+ git-branch -d s/t &&
+ git-branch -m s/s s &&
+ test -f .git/logs/refs/heads/s'
+
+test_expect_failure \
+ 'git-branch -m u v should fail when the reflog for u is a symlink' \
+ 'git-branch -l u &&
+ mv .git/logs/refs/heads/u real-u &&
+ ln -s real-u .git/logs/refs/heads/u &&
+ git-branch -m u v'
+
test_done