layman -a damex-overlay
* Running Git... # /usr/bin/git clone -q git://github.com/damex/damex-overlay.git /var/lib/layman/damex-overlay
Exception caught enabling repository 'damex-overlay' : 'TarOverlay' object has no attribute 'subpath'
* Failed to add overlay(s).
* Error was: Exception caught enabling repository 'damex-overlay' : 'TarOverlay' object has no attribute 'subpath'