gensync can currently only sync rsync://-overlays. Repositories that are keept in subversion or cvs must be synced by hand. Reproducible: Always Steps to Reproduce: 1. 2. 3.
How about something like a script that gets executed at the end of a --sync say /etc/portage/bin/post_sync where you define your custom commands to run
I think that gensync should be the SPOT for syncing 3th party overlays.
*** This bug has been marked as a duplicate of 35535 ***