anchor.diff:    #systemCronJobs =
     #  config.services.cron.systemCronJobs;
     cfg = config.services.fcron;
  +  ifEnabled = if cfg.enable then pkgs.lib.id else (x : []);
     queuelen = if cfg.queuelen == "" then "" else "-q ${toString cfg.queuelen}";
   
     # shell is set to /sh in config..
  
positive.code:   ];
  
    environment = {
      etc = [
        (allowdeny "allow" (["root"] ++ cfg.allow))
        (allowdeny "deny" cfg.deny)
        # see man 5 fcron.conf
  
negative.code:   };
  
    services = {
      extraJobs = ifEnabled [{
        name = "fcron";
  
        job = ''
  