Run RuboCop and NPM check on `git commit`

pre-commit

#!/bin/bash

[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"
if [ -f ".rubocop.yml" ]; then
  changed_ruby_files=$(git diff --cached --name-only --diff-filter=ACM | grep -e '\.rb$' | grep -v 'db/schema')
  if [ "$changed_ruby_files" != "" ]; then
    cd . # Cause RVM to change Ruby version to the one specified in the Gemfile or .ruby-version
    bundle exec rubocop -n $changed_ruby_files || exit 1
  fi
fi

PATH=/usr/local/bin:$PATH
if [ -f "package.json" ]; then
  npm install 1>&2
  npm run check || exit 1
fi