anchor.diff:        hardware.opengl.driSupport = true;
         environment.systemPackages = [ pkgs.quake3demo ];
         nixpkgs.config.packageOverrides = overrides;
  +      nixpkgs.config.allowUnfreePredicate = unfreePredicate;
       };
   
     nodes =
  
positive.code:         stdenv = pkgs.stdenvAdapters.addCoverageInstrumentation args.stdenv;
        });
      };
  
  in
  
  
negative.code:                 "'+map q3dm7' '+addbot grunt' '+addbot daemia' 2> /tmp/log";
              };
            nixpkgs.config.packageOverrides = overrides;
            nixpkgs.config.allowUnfreePredicate = unfreePredicate;
            networking.firewall.allowedUDPPorts = [ 27960 ];
          };
  
  