t5505: use "for-each-ref" to test for the non-existence of references

Instead of looking on the filesystem inside ".git/refs/remotes/origin",
use "git for-each-ref" to check for leftover references under the
remote's old name.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

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/*" &&