anchor.diff:    image_name="$IMAGE_PREFIX/$1"
     container_name=${CONTAINER_NAMES[$1]}
     if container_created "$container_name"; then
  +    pre_start_hooks $1
       if is_running "$container_name"; then
         if is_ghost "$container_name"; then
           restart_container $1
  
positive.code:   return 0
  }
  
  function pre_hooks {
    return 0
  }
  
  function post_hooks {
    case $1 in
      cobbler)   setup_dhcrelay_for_cobbler
                 ;;
      rsyslog)   remangle_syslog
                 ;;
      nginx)     remangle_nginx
                 ;;
      *)         ;;
    esac
  
negative.code:     else
        docker start $container_name
      fi
      post_start_hooks $1
      if [ "$2" = "--attach" ]; then
        attach_container $container_name
      fi
  