anchor.diff:    };
   
     services = {
  -    extraJobs = [{
  +    extraJobs = ifEnabled [{
         name = "fcron";
   
         job = ''
  
positive.code:   ];
  
    environment = {
      etc = [
        (allowdeny "allow" (["root"] ++ cfg.allow))
        (allowdeny "deny" cfg.deny)
        # see man 5 fcron.conf
  
negative.code:   #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..
  