let nixpkgs = import <nixpkgs> { };
in with nixpkgs;
stdenv.mkDerivation {
  name = "legacy_shell";
  buildInputs = [
    (pkgs.writeShellScriptBin "nix-experimental" ''
      exec ${pkgs.nixUnstable}/bin/nix --experimental-features "nix-command flakes" "$@"
    '')
    cacert
    git
  ];
  shellHook = "";
}