def _ruby_urls(path):
    """
    Produce a url list that works both with ruby-lang.org, and stripe's internal artifact cache.
    """
    return [
        "https://cache.ruby-lang.org/pub/ruby/{}".format(path),
        "https://artifactory-content.stripe.build/artifactory/ruby-lang-cache/pub/ruby/{}".format(path),
    ]