{ pkgs, ... }:

{
  services.udev.packages = [
    # this one will set the usb net ethernet into the right mode
    # and stop it from spamming the console.
    (pkgs.callPackage (
      { stdenv, lib, coreutils }:
      stdenv.mkDerivation {
        name = "helios64-udev-usb-net";

        dontUnpack = true;
        dontBuild = true;

        installPhase = ''
          mkdir -p "$out/etc/udev/rules.d/";
          install -Dm644 "${./bsp/50-usb-realtek-net.rules}" \
            "$out/etc/udev/rules.d/50-usb-realtek-net.rules"
          install -Dm644 "${./bsp/70-keep-usb-lan-as-eth1.rules}" \
            "$out/etc/udev/rules.d/70-keep-usb-lan-as-eth1.rules"
          substituteInPlace "$out/etc/udev/rules.d/50-usb-realtek-net.rules" \
          --replace '/bin/ln'  '${lib.getBin coreutils}/bin/ln'
        '';

        meta = with lib; {
          description = "Udev rules for the USB network interface for the Helios64";
          platforms = platforms.linux;
        };
      }
    ) {})
  ];
}