branch: allow a no-op "branch -M <current-branch> HEAD"

diff --git a/t/t5601-clone.sh b/t/t5601-clone.sh
index e8103144bb026afb12f5b058b9ec399b70abebbd..87ee01662c2fcfa58d8f9896fd43881e2e7ed7d6 100755 (executable)
--- a/t/t5601-clone.sh
+++ b/t/t5601-clone.sh
@@ -206,6 +206,20 @@ test_expect_success 'clone from .git file' '
        git clone dst/.git dst2
 '
 
+test_expect_success 'fetch from .git gitfile' '
+       (
+               cd dst2 &&
+               git fetch ../dst/.git
+       )
+'
+
+test_expect_success 'fetch from gitfile parent' '
+       (
+               cd dst2 &&
+               git fetch ../dst
+       )
+'
+
 test_expect_success 'clone separate gitdir where target already exists' '
        rm -rf dst &&
        test_must_fail git clone --separate-git-dir realgitdir src dst