{
  fetchFromGitHub,
  cmake,
  ninja,
  stdenv,
}: let
  source = builtins.fromJSON (builtins.readFile ./source.json);
in
  stdenv.mkDerivation {
    pname = "asar";
    version = source.date;
    src = fetchFromGitHub {
      owner = "RPGHacker";
      repo = "asar";
      inherit (source) rev sha256;
    };
    nativeBuildInputs = [cmake ninja];
    cmakeDir = "../src";
  }