m4i/rubocop-git — pull request #2 by nickcampbell18 (2014-10-16 12:38:32+00:00)
Title: Program should exit with nonzero code for scripting

1 is better than zero.

This allows trivial git hooks, such as:
```sh
# .git/hooks/pre-commit
rubocop-git --cached
```

The git commit will then abort if you haven't met the rubocop style guidelines.