log_ref_setup(): improve robustness against races

diff --git a/t/t5505-remote.sh b/t/t5505-remote.sh
index 8198d8eb05c5366c7d61a12351c333902a2265b6..65030fbc8ac5a8753b4a077cd06de4d14101bb3a 100755 (executable)
--- a/t/t5505-remote.sh
+++ b/t/t5505-remote.sh
@@ -725,7 +725,7 @@ test_expect_success 'rename a remote' '
        (
                cd four &&
                git remote rename origin upstream &&
-               rmdir .git/refs/remotes/origin &&
+               test -z "$(git for-each-ref refs/remotes/origin)" &&
                test "$(git symbolic-ref refs/remotes/upstream/HEAD)" = "refs/remotes/upstream/master" &&
                test "$(git rev-parse upstream/master)" = "$(git rev-parse master)" &&
                test "$(git config remote.upstream.fetch)" = "+refs/heads/*:refs/remotes/upstream/*" &&