nixpkgs/nixos/modules/hardware/keyboard/qmk.nix

{
  config,
  lib,
  pkgs,
  ...
}:

let
  cfg = config.hardware.keyboard.qmk;
  inherit (lib) mkEnableOption mkIf;

in
{
  options.hardware.keyboard.qmk = {
    enable = mkEnableOption "non-root access to the firmware of QMK keyboards";
  };

  config = mkIf cfg.enable {
    services.udev.packages = [ pkgs.qmk-udev-rules ];
    users.groups.plugdev = { };
  };
}