These ebuilds come from https://github.com/funtoo/flora/.
If you have some problems, go to the official site first.
bup : Highly efficient file backup system based on the git packfile format ( https://github.com/${HUB_USER}/${P} )
sparkleshare : A collaboration and sharing tool that is designed to keep things simple and to stay out of your way. ( http://sparkleshare.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a flora
For Paludis use this rsync : rsync://gentoo.zugaina.org/flora-portage
If you have a problem : ycarus(-at-)zugaina.org