{
  lib,
  pkgs,
  sources ? import ../npins,
  ...
}:
pkgs.stdenv.mkDerivation {
  name = "tf-repo";
  src = ../.;
  buildInputs = [
    (import ./tf.nix { inherit lib pkgs; })
  ];
  buildPhase = ''
    runHook preBuild
    pushd launch/
    echo '${lib.strings.toJSON sources}' > .npins.json
    tofu init -input=false
    popd
    runHook postBuild
  '';
  installPhase = ''
    runHook preInstall
    cp -r . $out
    runHook postInstall
  '';
}