The 17.1 profile changed the defaults used in portage for where we store
our repo, distfiles and binpkgs. Some portage related variables need to
be set deterministically. 17.1 is no enabled for Systemd's profile.
Change-Id: Ib55f6875c5cb461c3c530b51d7420ce3dc8da360
To facilitate this I've created two new environment variables to set
the environment and default options for package actions.
eval is needed for the export as it preserves quotes.
Change-Id: Ib03651ee8dacd48cd1c135afd57cd31101356056
Signed-off-by: Matthew Thode <mthode@mthode.org>