anchor.diff:          dmidecode
           dnstop
           fish
  +        elvish
           git
           gptfdisk
           #hdparm
  
positive.code:       opus = self.opus_head;
      };
      mpv = self.mpv.override {
        ffmpeg = ffmpeg_head;
        #nvidia-cuda-toolkit = self.nvidia-cuda-toolkit;
        #nvidia-drivers = self.nvidia-drivers_latest;
  
negative.code:     desktop-env = self.buildEnv {
        name = "desktopEnv";
        paths = with self; [
          discord
          dmenu
          eog
          evince
  