{ config, pkgs, ... }:

{

environment.systemPackages =
  let
    sbtix = with pkgs; stdenv.mkDerivation rec {
      name = "Sbtix";
      src = fetchgit
        {
        url= "https://github.com/teozkr/Sbtix";
        rev= "d4e59eaecb46a74c82229a1d326839be83a1a3ed";
        sha256= "1fy7y4ln63ynad5v9w4z8srb9c8j2lz67fjsf6a923czm9lh5naf";
        };
    };
  in
  [ sbtix ];

}