{ lib
, stdenv
, rustPlatform
, fetchFromGitHub
, git
, python3
, makeWrapper
, writeScriptBin
, darwin
, which
, nix-update-script
, testers
, pylyzer
}:

rustPlatform.buildRustPackage rec {
  pname = "pylyzer";
  version = "0.0.56";

  src = fetchFromGitHub {
    owner = "mtshiba";
    repo = "pylyzer";
    rev = "refs/tags/v${version}";
    hash = "sha256-t/v9Ghnfsnwvo05PnvRInXRCbA0fi9ZQkIrrvtzBSCg=";
  };

  cargoLock = {
    lockFile = ./Cargo.lock;
    outputHashes = {
      "rustpython-ast-0.3.1" = "sha256-KjglE3KvA9F7eg9pPTV6+PrLxiWnCgtkMOsFsoPC5N8=";
    };
  };

  nativeBuildInputs = [
    git
    python3
    makeWrapper
  ] ++ lib.optionals stdenv.isDarwin [
    (writeScriptBin "diskutil" "")
  ];

  buildInputs = [
    python3
  ] ++ lib.optionals stdenv.isDarwin [
    darwin.apple_sdk.frameworks.Security
  ];

  preBuild = ''
    export HOME=$TMPDIR
  '';

  postInstall = ''
    mkdir -p $out/lib
    cp -r $HOME/.erg/ $out/lib/erg
  '';

  nativeCheckInputs = [
    which
  ];

  checkFlags = [
    # this test causes stack overflow
    # > thread 'exec_import' has overflowed its stack
    "--skip=exec_import"
  ];

  postFixup = ''
    wrapProgram $out/bin/pylyzer --set ERG_PATH $out/lib/erg
  '';

  passthru = {
    updateScript = nix-update-script { };
    tests.version = testers.testVersion { package = pylyzer; };
  };

  meta = {
    description = "Fast static code analyzer & language server for Python";
    homepage = "https://github.com/mtshiba/pylyzer";
    changelog = "https://github.com/mtshiba/pylyzer/releases/tag/v${version}";
    license = lib.licenses.mit;
    maintainers = with lib.maintainers; [ natsukium ];
    mainProgram = "pylyzer";
  };
}