{ nixpkgs ? import <nixpkgs>
}:

import ((nixpkgs {}).fetchFromGitHub {
  owner = "NixOS";
  repo = "nixpkgs";
  rev = "0d97ef510bdc9d66f1023f970be58fdab2eb87fa";
  sha256 = "00lnna6097wzrlmwqk8bqayh4qd2gz61zcd4yh7amirqflz3z2ll";
})