These ebuilds come from https://github.com/funtoo/funtoo-overlay.
If you have some problems, go to the official site first.
git-subtree : An experimental alternative to the git-submodule command. Merges and splits subtrees from your project into subprojects and back ( https://github.com/${GITHUB_USER}/git-subtree )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a funtoo-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/funtoo-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org