# File lib/guard/notifiers/tmux.rb, line 128
      def turn_on(options = { })
        unless @options_stored
          reset_options_store

          `#{ DEFAULTS[:client] } show`.each_line do |line|
            option, _, setting = line.chomp.partition(' ')
            @options_store[option] = setting
          end

          @options_stored = true
        end

        system("#{ DEFAULTS[:client] } set quiet on")
      end