https://bugs.freedesktop.org/show_bug.cgi?id=91518
--- Comment #3 from Gustaw Smolarczyk wielkiegie@gmail.com --- I think it happens automatically when I am using the gentoo ebuild, since the contents of /etc/drirc match the in the mesa git repository.
But the ~/.drirc contains the old values... Let me check with the local file deleted (or at least the heaven sections deleted).