puppetlabs/facter — pull request #336 by jhoblitt (2012-10-16 23:52:10+00:00)
Title: #17029 add osfamily Gentoo with a single member of operatingsystem type Gentoo....

... Tests for popular Gentoo derivaties like Sabayon are not in the tree so this patch is not adding them to the Gentoo osfamily.