real_path: do not assume '/' is the path seperator

diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh
index 55af032f2e325a0399186097fa3a59690a8a9449..78ce09f9d788203ebea280cc94c8098c9043311f 100755 (executable)
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh
@@ -26,6 +26,17 @@ test_expect_success \
      ! test -f .git/refs/heads/--help
 '
 
+test_expect_success 'branch -h in broken repository' '
+       mkdir broken &&
+       (
+               cd broken &&
+               git init &&
+               >.git/refs/heads/master &&
+               test_expect_code 129 git branch -h >usage 2>&1
+       ) &&
+       grep "[Uu]sage" broken/usage
+'
+
 test_expect_success \
     'git branch abc should create a branch' \
     'git branch abc && test -f .git/refs/heads/abc'