These ebuilds come from http://www.haskell.org/~gentoo/gentoo-haskell/.
If you have some problems, go to the official site first.
exi-darcs : A reimplementation of the emerge layer of Portage written in Haskell ( http://www.iai.uni-bonn.de/~loeh/exi )
fquery : A fast replacement for equery ( http://home.exetel.com.au/tjaden/fquery/ )
hackport-darcs : Hackage and Portage integration tool ( http://www.haskell.org/~gentoo/hackport/ )
himerge : Haskell Graphical User Interface for the Gentoo's Portage System. ( http://www.haskell.org/himerge/ )
himerge-darcs : hImerge is a graphical user interface for emerge (Gentoo's Portage system) written in Haskell using gtk2hs. ( http://www.fmap.us/himerge.html )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a zugaina
For Paludis use this rsync : rsync://gentoo.zugaina.org/zugaina-portage
If you have a problem : ycarus(-at-)zugaina.org