git-status: do not be totally useless in a read-only repository.

diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh
index acb54b6a079b2e790c3bf6eb58007188af7ef1a1..5565c27033ab89959f2a39dfa9abaea99e40432b 100755 (executable)
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh
@@ -48,7 +48,7 @@ test_expect_success \
         test ! -f .git/logs/refs/heads/d/e/f'
 
 cat >expect <<EOF
-0000000000000000000000000000000000000000 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000     checkout: Created from master^0
+0000000000000000000000000000000000000000 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000     checkout: Created from master
 EOF
 test_expect_success \
     'git checkout -b g/h/i -l should create a branch and a log' \
@@ -70,4 +70,51 @@ test_expect_success \
         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'
+
+git-config branch.s/s.dummy Hello
+
+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_success 'config information was renamed, too' \
+       "test $(git-config branch.s.dummy) = Hello &&
+        ! git-config branch.s/s/dummy"
+
+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