lib/guard/resque.rb
def start
      stop
      UI.info 'Starting up resque...'
      UI.info [ cmd, env.map{|v| v.join('=')} ].join(' ')

      # launch Resque worker
      @pid = spawn(env, cmd)
    end
def start
      stop
      UI.info 'Starting up resque...'
      UI.info [ cmd, env.map{|v| v.join('=')} ].join(' ')

      # launch Resque worker
      @pid = spawn(env, cmd)
    end
Allowable options are:
  - :environment  e.g. 'test'
  - :task .e.g 'resque:work'
  - :queue e.g. '*'
  - :count e.g. 3
  - :interval e.g. 5
  - :verbose e.g. true
  - :vverbose e.g. true
  - :trace e.g. true
  - :stop_signal e.g. :QUIT or :SIGQUIT