Pre-Commit Shell Script Hook

pre-commit.sh

#!/usr/bin/env /bin/bash

# Copy this into .git/hooks/pre-commit

# TODO: Filter by git status --porcelain ~= \A|AM|^M\ once all repos rubocop compliant
# TODO: Capture files in commit and add updates after auto-correct

INSTALL_RUBOCOP="Rubocop not found in this project's bundle. Please add it."
CORRECT_VIOLATIONS="Rubocop detected violations. Please resolve them, re-add files and try again."

bundle show rubocop || (echo $INSTALL_RUBOCOP && exit 1)
bundle exec rubocop --auto-correct --fail-level autocorrect || (echo $CORRECT_VIOLATIONS && exit 1)