anchor.diff:  
   let
     cfg = config.services.scollector;
  +
  +  collectors = pkgs.runCommand "collectors" {}
  +    ''
  +    mkdir -p $out
  +    ${lib.concatStringsSep
  +        "\n"
  +        (lib.mapAttrsToList
  +          (frequency: binaries:
  +            "mkdir -p $out/${frequency}\n" +
  +            (lib.concatStringsSep
  +              "\n"
  +              (map (path: "ln -s ${path} $out/${frequency}/$(basename ${path})")
  +                   binaries)))
  +          cfg.collectors)}
  +    '';
   
   in {
   
  
positive.code:         '';
        };
  
      };
  
    };
  
negative.code:         User = cfg.user;
          Group = cfg.group;
          ExecStart = ''
            ${cfg.package}/bin/scollector -h=${cfg.bosunHost} -c=${collectors}
          '';
        };
      };
  