anchor.diff:        };
         restartTriggers = [
           pkgs.pythonPackages.carbon
  -        cfg.carbon.config
  -        cfg.carbon.storageAggregation
  -        cfg.carbon.storageSchemas
  -        cfg.carbon.rewriteRules
  +        configDir
         ];
         preStart = ''
           mkdir -p ${cfg.dataDir}/whisper
  
positive.code:         Group = "graphite";
        };
        restartTriggers = [
          pkgs.pythonPackages.carbon cfg.carbon.config cfg.carbon.aggregationRules
        ];
      };
  
  
negative.code:       '';
        restartTriggers = [
          pkgs.python27Packages.graphite_web
        ];
      };
  
  