GitWrapper\Test\GitWorkingCopyTest::assertNoGitTag PHP Method

    protected function assertNoGitTag(GitWorkingCopy $repository, $tag)
    {
        try {
            $repository->run(array('rev-parse ' . $tag));
        } catch (GitException $e) {
            // Expected result. The tag does not exist.
            return;
        }
        throw new \Exception("Expecting that the tag '{$tag}' doesn't exist, but it does.");
    }