code_hunter を実行し、改善事項がある場合は終了ステータスに 1 を返す

code_hunter.rake

# code_hunter: https://github.com/r7kamura/code_hunter
task :code_hunter do
  report_yaml = `code_hunter --application-path=#{Rails.root}`
  successed_flag = YAML.load(report_yaml).empty?
  puts "\e[31m#{report_yaml}\e[0m" unless successed_flag
  exit successed_flag
end