PagerDuty/pd-cap-recipes — pull request #26 by alperkokmen (2014-07-29 23:54:23+00:00)
Title: fix hipchat integration to properly fetch "human" that's performing the deployment

`ENV['USER']` will return `nil` if `USER` variable isn't set. calling `to_s` prior to comparison so it can fall back to `else` condition.

(cc @esigler @steverice)