Runs rubocop against the diff before commit

how-to.md

For those like me that often forget to run rubocop against the diff code, I added a pre-commit git hook to do this.

1. Goes to your repository folder $ cd yourrepo/.

2. Add the pre-commit executable file to your .git/hooks folder.

3. Be happy, you will never more be alerted by your CI about rubocop complaints.

pre-commit

#!/bin/sh
#
# Runs rubocop automatically on the diff before allowing to commit

# for unstaged files
git diff --name-only | xargs rubocop

# for staged files
git diff --staged --name-only | xargs rubocop

pre-commit-result.png