On Mon, 30 Nov 2015 at 16:50 Amber "Hawkie" Brown <hawkowl@atleastfornow.net> wrote:

The migration will have a handful of policy changes that we will have to resolve -- such as ensuring that all merges have a topfile -- which aren't possible under a GitHub based system.

You could make master/trunk/whatever a protected branch, and have a required status check for this, but that would require some external CI thing that actually performs the status check.