    # File lib/chef/shef.rb, line 127
      def self.init(main)
        parse_json
        configure_irb

        session # trigger ohai run + session load

        session.node.consume_attributes(@json_attribs)

        Extensions.extend_context_object(main)

        main.version
        puts

        puts "run `help' for help, `exit' or ^D to quit."
        puts
        puts "Ohai2u#{greeting}!"
      end