These ebuilds come from http://git.overlays.gentoo.org/gitweb/?p=dev/alexxy.git.
If you have some problems, go to the official site first.
snapper : Command-line program for btrfs and ext4 snapshot management ( http://snapper.io/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a alexxy
For Paludis use this rsync : rsync://gentoo.zugaina.org/alexxy-portage
If you have a problem : ycarus(-at-)zugaina.org