pre commit git hook for Ruby on Rails projects (rubocop & reek required to be installed)

pre_commit_v2

#!/bin/bash

failed=false

ruby_files_modified=`git diff --staged --name-only --diff-filter=ACRM | grep -E '(\.rb|\.ruby|\.rake)' | xargs`

if ! [ -z "$ruby_files_modified" ]; then
  printf '\e[1m\e[34m========= reek ============\n\e[0m'
  bundle exec reek $ruby_files_modified
  if [ $? != 0 ]; then
    failed=true
  fi
  printf '\n'

  printf '\e[1m\e[34m========= rubocop =========\n\e[0m'
  bundle exec rubocop --force-exclusion $ruby_files_modified
  if [ $? != 0 ]; then
    failed=true
  fi
  printf '\n'
fi

#
# If your test suite takes much time to run, consider removing the step below, as it
# will run on any file update ( like README.md update, for example ).
#
files_modified=`git diff --staged`

if ! [ -z "$files_modified" ]; then
  printf '\e[1m\e[34m========= rspec ===========\n\e[0m'
  bundle exec rspec
  if [ $? != 0 ]; then
    failed=true
  fi
  printf '\n'
fi

if $failed; then
  printf "\e[31m [!] Commit rejected, see the errors above. If you want to continue anyway use flag '--no-verify'. \e[0m \n"

  exit 1
fi

exit