anchor.diff:  
         serviceConfig = {
           Type = "simple";
  -        User = "lidarr";
  -        Group = "lidarr";
  +        User = cfg.user;
  +        Group = cfg.group;
           ExecStart = "${cfg.package}/bin/Lidarr";
           Restart = "on-failure";
   
  
positive.code:       };
      };
  
      users.users.lidarr = {
        uid = config.ids.uids.lidarr;
        home = "/var/lib/lidarr";
        group = "lidarr";
      };
  
      users.groups.lidarr.gid = config.ids.gids.lidarr;
    };
  }
  
negative.code:         defaultText = "pkgs.lidarr";
          description = "The Lidarr package to use";
        };
  
        openFirewall = mkOption {
          type = types.bool;
          default = false;
          description = ''
            Open ports in the firewall for Lidarr
          '';
        };
  
        user = mkOption {
          type = types.str;
          default = "lidarr";
          description = ''
            User account under which Lidarr runs.
          '';
        };
  
        group = mkOption {
          type = types.str;
          default = "lidarr";
          description = ''
            Group under which Lidarr runs.
          '';
        };
      };
    };
  
  