dispatch

# File lib/bundler/vendor/thor/lib/thor/group.rb, line 217
    def dispatch(command, given_args, given_opts, config) #:nodoc:
      if Bundler::Thor::HELP_MAPPINGS.include?(given_args.first)
        help(config[:shell])
        return
      end

      args, opts = Bundler::Thor::Options.split(given_args)
      opts = given_opts || opts

      instance = new(args, opts, config)
      yield instance if block_given?

      if command
        instance.invoke_command(all_commands[command])
      else
        instance.invoke_all
      end
    end