{
  stdenv,
  python3,
  python3Packages,
}:

stdenv.mkDerivation {
  pname = "mechanicaldiff";
  version = "0.0.1";

  src = ./bin;

  buildInputs = [ python3 ];

  doCheck = true;

  nativeCheckInputs = [ python3Packages.flake8 ];

  checkPhase = ''
    flake8 mechanicaldiff.py
  '';

  installPhase = ''
    mkdir -p $out/bin
    cp mechanicaldiff.py $out/bin/mechanicaldiff
    chmod +x $out/bin/mechanicaldiff
  '';
}