These ebuilds come from https://github.com/a3li/a3li-overlay.
If you have some problems, go to the official site first.
tartarus : A flexible yet simple backup solution using bash to wrap standard UNIX commands ( http://wertarbyte.de/tartarus.shtml )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a a3li
For Paludis use this rsync : rsync://gentoo.zugaina.org/a3li-portage
If you have a problem : ycarus(-at-)zugaina.org