rubocop_git_changes.sh

#!/bin/bash

# Run rubocop with automatic fixes on any new or modified git files

set -o errexit
# set -o xtrace

changed_files=`git diff --cached --name-only --diff-filter=ACM | grep -e '\.rb$' |  cat`
if [ "$changed_files" != "" ]; then
  ruby_version=`cat .ruby-version | tr -d '[:space:]'`
  if RBENV_VERSION=$ruby_version ~/.rbenv/shims/rubocop $changed_files; then
    exit 0
  else
    RBENV_VERSION=$ruby_version ~/.rbenv/shims/rubocop -a $changed_files
    exit 1
  fi
fi