anchor.diff:  
     nsd = callPackage ../servers/dns/nsd (config.nsd or {});
   
  -  nsq = pkgs.goPackages.nsq.bin // { outputs = [ "bin" ]; };
  +  nsq = goPackages.nsq.bin // { outputs = [ "bin" ]; };
   
     openpts = callPackage ../servers/openpts { };
   
  
positive.code: 
    shairport-sync = callPackage ../servers/shairport-sync { };
  
    serfdom = pkgs.goPackages.serf.bin // { outputs = [ "bin" ]; };
  
    seyren = callPackage ../servers/monitoring/seyren { };
  
  
negative.code: 
    ascii = callPackage ../tools/text/ascii { };
  
    asciinema = goPackages.asciinema.bin // { outputs = [ "bin" ]; };
  
    asymptote = callPackage ../tools/graphics/asymptote {
      texLive = texLiveAggregationFun {
  