anchor.diff:            arkive
             btsync
             cdrtools
  -          ffmpeg
  +          ffmpeg_head
             flac
             gnupg
             pinentry
  
positive.code:     #};
      pulseaudio_full = self.pulseaudio_full.override {
        loopbackLatencyMsec = "20";
        resampleMethod = "speex-float-10";
      };
      rtorrent = self.rtorrent.override {
        colorSupport = true;
  
negative.code:           iperf
            ipset
            iptables
            jq
            lib-bash
            lm-sensors
            meslo-lg
  