RuboCop for git diff.
Based on the apparently abandoned https://github.com/m4i/rubocop-git and work by https://github.com/nicollis.
Install using specific_install
$ gem install specific_install
$ gem specific_install https://github.com/Autosde/rubocop-git.git
Add this to .rubocop_local.yml in your project
Lint/UnneededCopEnableDirective:
Enabled: false
Lint/MissingCopEnableDirective:
Enabled: false
Usage: rubocop-git [options] [[commit] commit]
-c, --config FILE Specify configuration file
-r, --require FILE Require Ruby file
-a, --auto-correct Auto-correct offenses
-d, --debug Display debug info
-D, --display-cop-names Display cop names in offense messages
--cached git diff --cached
--staged synonym of --cached
--hound Hound compatibility mode