anchor.diff:          serviceConfig.PrivateTmp = mkDefault true;
           serviceConfig.WorkingDirectory = mkDefault /tmp;
           serviceConfig.DynamicUser = mkDefault enableDynamicUser;
  -      } serviceOpts ] ++ optional (!enableDynamicUser) {
           serviceConfig.User = conf.user;
           serviceConfig.Group = conf.group;
  -      });
  +      } serviceOpts ]);
     };
   in
   {
  
positive.code:       default = "${name}-exporter";
        description = ''
          Group under which the ${name} exporter shall be run.
          Has no effect when <option>systemd.services.prometheus-${name}-exporter.serviceConfig.DynamicUser</option> is true.
        '';
      };
    });
  
negative.code:       default = "${name}-exporter";
        description = ''
          User name under which the ${name} exporter shall be run.
        '';
      };
      group = mkOption {
  