anchor.diff:            '';
   
           serviceConfig =
  -          { ExecStart = "${pkgs.chrony}/bin/chronyd -n -m -u chrony";
  +          { ExecStart = "${pkgs.chrony}/bin/chronyd -n -m -u chrony -f ${configFile}";
             };
         };
   
  
positive.code:   keyFile = "/etc/chrony.keys";
  
    cfg = config.services.chrony;
  
  in
  
  
negative.code:     # Make chronyc available in the system path
      environment.systemPackages = [ pkgs.chrony ];
  
      users.extraGroups = singleton
        { name = "chrony";
          gid = config.ids.gids.chrony;
  