{
  tinypkgs ? import (fetchTarball {
    url = "https://gitlab.inria.fr/nix-tutorial/packages-repository/-/archive/master/packages-repository-8e43243635cd8f28c7213205b08c12f2ca2ac74d.tar.gz";
    sha256 = "sha256:09l2w3m1z0308zc476ci0bsz5amm536hj1n9xzpwcjm59jxkqpqa";
  }) {}
}:

tinypkgs.pkgs.mkShell rec {
  buildInputs = [
    tinypkgs.chord
  ];
}