anchor.diff:        maxXorgVersion = "1.19";
       };
       # Update to which ever channel has the latest release at the time.
  -    latest = long-lived;
  +    latest = short-lived;
     };
     source = sources."${channel}";
   
  
positive.code:       maxXorgVersion = "1.19";
      };
      short-lived = {
        versionMajor = "381";
        versionMinor = "22";
        sha256i686   = "7b7dd6ee1c871dc5367fc207bba65077c3820a683decbfe6126fc70c0d1b9d08";
        sha256x86_64 = "c2468130af124bfe748bdf2bc4c08952a81b35d2bdb87d1217717e6a576217e8";
        maxLinuxVersion = "4.12";
        maxXorgVersion = "1.19";
      };
      beta = {
  
negative.code: 
      srcVerification = fetchurl {
        urls = [
          ("https://download.nvidia.com/XFree86/Linux-x86/${version}/"
              + "NVIDIA-Linux-x86-${version}.run")
          ("https://download.nvidia.com/XFree86/Linux-x86_64/${version}/"
              + "NVIDIA-Linux-x86_64-${version}"
              + "${if channel == "tesla" then "" else "-no-compat32"}.run")
        ];
  