1{ config, lib, pkgs, ... }: 2 3with lib; 4 5let 6 cfg = config.hardware.ledger; 7 8in { 9 options.hardware.ledger.enable = mkEnableOption "udev rules for Ledger devices"; 10 11 config = mkIf cfg.enable { 12 services.udev.packages = [ pkgs.ledger-udev-rules ]; 13 }; 14}