You can clone with
HTTPS or Subversion.
It may be helpful to others to update the notice to indicate that the latest version is available here: https://github.com/bartt/ssl_requirement
https://github.com/retr0h/ssl_requirement does not seem to exist anymore.
+1 to that
+1 to updating the official repo url.
However the fork mentioned above does not have an issue tracker.
This should be made into official