brewkit.rb changes ENV destructively, so lets not do that everytime a formula
is required. Now it's possible for other tools to require a formula
description without worrying about side-effects.
Signed-off-by: Max Howell <max@methylblue.com>
I had quite a few quibbles with the name. Google can't make up their minds what they call it apparently!
Drew Hess
Adam Vandenberg
Jan Berkel
Max Howell
Jari Bakken