GoogleCloudPlatform/gcloud-python — pull request #316 by dhermes (2014-10-29 21:20:54+00:00)
Title: Speeding up lint by only considering files which are different.

H/T to @sk- and https://github.com/sk-/git-lint for the inspiration.

This is related to #290 but covers the last annoying slowdown we have. (At least as well as `pylint` allow.)