nixos-config/modules/system/nixpkgs.nix

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

{
  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # Overlay different packages on top of nixpkgs
  nixpkgs.overlays = [
    (import ../../overlays/pkgs.nix)
  ];
}