root # layman \
-o https://raw.githubusercontent.com/robertov82008/rrrj-overlay/master/profiles/repositories.xml \
-f \
-a rrrj-overlay
root # layman-updater -R
root # emerge --sync
root # layman -S
root # eix-sync -q
$ git clone project-overlay
project-overlay $ git add . && git commit -m 'init
project-overlay- $ git push
root # layman-overlay-maker
project/category/app $ ebuild app.ebuild manifest