broccolijs/broccoli-kitchen-sink-helpers — pull request #26 by slamborne (2014-10-08 06:20:11+00:00)
Title: `matches.length === 0` should warn

I'm unable to use `!` negating in a path because `glob` isn't finding any results which is causing this error to be thrown.
No matches is (mostly) harmless and is a potentially expected, perfectly reasonable result.