jc00ke/guard-puma — pull request #13 by tb0yd (2014-08-28 14:36:45+00:00)
Title: Get environment from RACK_ENV if exists by default

Hi, it may be a good idea to get the environment from RACK_ENV by default.

We use this in production and recently traced a bug back to the environment not being set in Guard::Puma, so I figured others might have made the same mistake.