nixos-config/overlays/add-pkgs.nix

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

{
  nixpkgs.overlays = [
    (self: super: { 
      ssh-tpm-agent = pkgs.callPackage ./pkgs/ssh-tpm-agent.nix { };
      wechat-uos = pkgs.callPackage ./pkgs/wechat-uos.nix { };
    })
  ];
}