# File lib/autotest.rb, line 442
  def restart
    Process.kill "KILL", @child if @child

    cmd = [$0, *options[:args]]

    index = $LOAD_PATH.index RbConfig::CONFIG["sitelibdir"]

    if index then
      extra = $LOAD_PATH[0...index]
      cmd = [Gem.ruby, "-I", extra.join(":")] + cmd
    end

    puts cmd.join(" ") if options[:verbose]

    exec(*cmd)
  end