thoughtbot/laptop — pull request #283 by gohanlon (2014-08-31 22:49:57+00:00)
Title: Make `brew_is_upgradable` mac function more robust

Rely on logic of `brew outdated` to decide whether a brew is upgradable.

Fixes #276 and #282:
* https://github.com/thoughtbot/laptop/issues/276
* https://github.com/thoughtbot/laptop/issues/282