# File lib/railsless-deploy.rb, line 116
  def try_sudo(*args)
    options = args.last.is_a?(Hash) ? args.pop : {}
    command = args.shift
    raise ArgumentError, "too many arguments" if args.any?

    as = options.fetch(:as, fetch(:admin_runner, nil))
    via = fetch(:run_method, :sudo)
    if command
      invoke_command(command, :via => via, :as => as)
    elsif via == :sudo
      sudo(:as => as)
    else
      ""
    end
  end