anchor.diff:    cfgSpl = config.boot.spl;
     cfgZfs = config.boot.zfs;
     cfgSnapshots = config.services.zfs.autoSnapshot;
  +  cfgSnapFlags = cfgSnapshots.flags;
   
     inInitrd = any (fs: fs == "zfs") config.boot.initrd.supportedFilesystems;
     inSystem = any (fs: fs == "zfs") config.boot.supportedFilesystems;
  
positive.code:         after = [ "zfs-import.target" ];
          serviceConfig = {
            Type = "oneshot";
            ExecStart = "${zfsAutoSnap} monthly ${toString cfgSnapshots.monthly}";
          };
          restartIfChanged = false;
          startAt = "monthly";
  
negative.code:         after = [ "zfs-import.target" ];
          serviceConfig = {
            Type = "oneshot";
            ExecStart = "${zfsAutoSnap} ${cfgSnapFlags} weekly ${toString cfgSnapshots.weekly}";
          };
          restartIfChanged = false;
          startAt = "weekly";
  