unarr : A lightweight decompression library with support for rar, tar and zip archives ( https://github.com/selmf/unarr" EGIT_REPO_URI="${HOMEPAGE} )
zchunk : File format designed for highly efficient deltas with good compression ( https://github.com/zchunk/zchunk" EGIT_REPO_URI="${HOMEPAGE}" SRC_URI="${HOMEPAGE}/archive/${PV}.tar.gz -> ${P}.tar.gz )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a jorgicio
For Paludis use this rsync : rsync://gentoo.zugaina.org/jorgicio-portage
If you have a problem : ycarus(-at-)zugaina.org