Add RbCommitHook a mercurial hook for reviewboard
(Portage version: 2.1.11.60/hg/Linux x86_64, unsigned Manifest commit)
app-editors/vim
app-editors/gvim
dev-java/icedtea
dev-java/ant
dev-util/android-sdk-update-manager
dev-util/checkstyle
dev-util/meld
dev-util/valgrind
dev-vcs/git
dev-vcs/hg-git
dev-vcs/mercurial