# File lib/heroku/commands/app.rb, line 140
    def rake
      app = extract_app
      cmd = args.join(' ')
      if cmd.length == 0
        display "Usage: heroku rake <command>"
      else
        heroku.start(app, "rake #{cmd}", :attached).each { |chunk| display(chunk, false) }
      end
    rescue Heroku::Client::AppCrashed => e
      error "Couldn't run rake\n#{e.message}"
    end