anchor.diff:          '';
         };
   
  -      user = mkOption {
  -        type = types.str;
  -        default = "syncserver";
  -        description = "User account under which syncserver runs.";
  -      };
  -
  -      group = mkOption {
  -        type = types.str;
  -        default = "syncserver";
  -        description = "Group account under which syncserver runs.";
  -      };
  -
         publicUrl = mkOption {
           type = types.str;
           default = "http://localhost:5000/";
  
positive.code: 
      systemd.services.syncserver = let
        syncServerEnv = pkgs.python.withPackages(ps: with ps; [ syncserver pasteScript ]);
      in {
        after = [ "network.target" ];
        description = "Firefox Sync Server";
  
negative.code:       path = [ pkgs.coreutils syncServerEnv ];
  
        serviceConfig = {
          User = user;
          Group = group;
          PermissionsStartOnly = true;
        };
  
  