is($sha1, $allowed_sha1, 'proposed commit was not pushed');
$sha1 = run_git(['rev-list', '--max-count=1', 'HEAD']);
is($sha1, $allowed_sha1, 'proposed commit was not pushed');
is($sha1, $allowed_sha1, 'proposed commit was not pushed');
$sha1 = run_git(['rev-list', '--max-count=1', 'HEAD']);
is($sha1, $allowed_sha1, 'proposed commit was not pushed');