anchor.diff:      ];
       boot.initrd.systemd.storePaths = [
         "${config.boot.initrd.systemd.package}/lib/systemd/systemd-udevd"
  -      "${config.boot.initrd.systemd.package}/lib/udev"
  +      "${config.boot.initrd.systemd.package}/lib/udev/ata_id"
  +      "${config.boot.initrd.systemd.package}/lib/udev/cdrom_id"
  +      "${config.boot.initrd.systemd.package}/lib/udev/scsi_id"
  +      "${config.boot.initrd.systemd.package}/lib/udev/rules.d"
       ] ++ map (x: "${x}/bin") config.boot.initrd.services.udev.binPackages;
   
       # Generate the udev rules for the initrd
  
positive.code:         systemd = config.boot.initrd.systemd.package;
          binPackages = config.boot.initrd.services.udev.binPackages ++ [ config.boot.initrd.systemd.contents."/bin".source ];
        };
      };
      # Insert custom rules
      boot.initrd.services.udev.packages = mkIf (config.boot.initrd.services.udev.rules != "") (pkgs.writeTextFile {
        name = "initrd-udev-rules";
        destination = "/etc/udev/rules.d/99-local.rules";
        text = config.boot.initrd.services.udev.rules;
      });
  
      environment.etc =
        {
  
negative.code:   udev = config.systemd.package;
  
    cfg = config.services.udev;
  
    initrdUdevRules = pkgs.runCommand "initrd-udev-rules" {} ''
      mkdir -p $out/etc/udev/rules.d
      for f in 60-cdrom_id 60-persistent-storage 75-net-description 80-drivers 80-net-setup-link; do
        ln -s ${config.boot.initrd.systemd.package}/lib/udev/rules.d/$f.rules $out/etc/udev/rules.d
      done
    '';
  
  
    # networkd link files are used early by udev to set up interfaces early.
    # This must be done in stage 1 to avoid race conditions between udev and
    # network daemons.
    # TODO move this into the initrd-network module when it exists
    initrdLinkUnits = pkgs.runCommand "initrd-link-units" {} ''
      mkdir -p $out
      ln -s ${udev}/lib/systemd/network/*.link $out/
      ${lib.concatMapStringsSep "\n" (file: "ln -s ${file} $out/") (lib.mapAttrsToList (n: v: "${v.unit}/${n}") (lib.filterAttrs (n: _: hasSuffix ".link" n) config.systemd.network.units))}
    '';
  
    extraUdevRules = pkgs.writeTextFile {
      name = "extra-udev-rules";
  