These ebuilds come from https://github.com/microcai/gentoo-zh.
If you have some problems, go to the official site first.
findcruft : Yet another script to find obsolete files ( http://forums.gentoo.org/viewtopic.php?t=254197 http://gentoo-wiki.com/TIP_Clean_Up_Cruft )
portage-cdb : increase portage's speed after syncing, and for calculating dependencies. This method uses a database, rather than a bunch of flat files to store its metadata. ( http://gentoo-wiki.com/TIP_speed_up_portage_with_cdb )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo-zh
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-zh-portage
If you have a problem : ycarus(-at-)zugaina.org