t3code-flake/packages/desktop-package.nix

{
  lib,
  src,
  asar,
  stdenv,
  bun,
  copyDesktopItems,
  electron_40,
  gcc,
  git,
  gnumake,
  makeDesktopItem,
  makeWrapper,
  node-gyp,
  nodejs,
  pkg-config,
  python3,
  writableTmpDirAsHomeHook,
  xdg-utils,
}: let
  desktopPackageJson = lib.importJSON "${src}/apps/desktop/package.json";

  pname = "t3code-desktop";
  version = desktopPackageJson.version;

  workspacePreparePatched = [
    "apps/server/package.json"
    "apps/web/package.json"
    "packages/client-runtime/package.json"
    "packages/contracts/package.json"
    "packages/effect-acp/package.json"
    "packages/effect-codex-app-server/package.json"
    "packages/shared/package.json"
  ];

  desktopItem = makeDesktopItem {
    name = "t3code";
    desktopName = "T3 Code";
    exec = "t3code %U";
    icon = "t3code";
    categories = ["Development"];
    startupWMClass = "t3code";
  };
in
  stdenv.mkDerivation (finalAttrs: {
    inherit pname version;
    inherit src;

    strictDeps = true;
    patches = [./patches/desktop-nix-autoupdate.patch];

    nodeModules = stdenv.mkDerivation {
      pname = "${pname}-node-modules";
      inherit (finalAttrs) version src;

      impureEnvVars =
        lib.fetchers.proxyImpureEnvVars
        ++ [
          "GIT_PROXY_COMMAND"
          "SOCKS_SERVER"
        ];

      nativeBuildInputs = [
        bun
        gcc
        gnumake
        nodejs
        pkg-config
        python3
        writableTmpDirAsHomeHook
      ];

      dontConfigure = true;
      dontFixup = true;

      postPatch = ''
        for packageJson in ${lib.concatStringsSep " " workspacePreparePatched}; do
          substituteInPlace "$packageJson" \
            --replace-fail '"prepare": "effect-language-service patch"' '"prepare": "true"'
        done
      '';

      buildPhase = ''
        runHook preBuild

        export HOME="$TMPDIR"
        export BUN_INSTALL_CACHE_DIR="$(mktemp -d)"
        export ELECTRON_SKIP_BINARY_DOWNLOAD=1
        export PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1
        export npm_config_build_from_source=true

        bun install \
          --frozen-lockfile \
          --ignore-scripts \
          --linker=hoisted \
          --no-progress \
          --filter ./apps/desktop \
          --filter ./apps/server \
          --filter ./apps/web \
          --filter ./packages/client-runtime \
          --filter ./packages/contracts \
          --filter ./packages/effect-acp \
          --filter ./packages/effect-codex-app-server \
          --filter ./packages/shared

        runHook postBuild
      '';

      installPhase = ''
        runHook preInstall

        cp -R ./node_modules $out

        runHook postInstall
      '';

      outputHash = "sha256-mzcaRKIymMQb934wrto/mBuKt0KzncbzUQ0rzkCLlC4=";
      outputHashAlgo = "sha256";
      outputHashMode = "recursive";
    };

    nativeBuildInputs = [
      asar
      bun
      copyDesktopItems
      gcc
      gnumake
      makeWrapper
      node-gyp
      nodejs
      pkg-config
      python3
      writableTmpDirAsHomeHook
    ];

    desktopItems = [desktopItem];

    env = {
      ELECTRON_SKIP_BINARY_DOWNLOAD = "1";
      PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD = "1";
      npm_config_build_from_source = "true";
      npm_config_nodedir = "${nodejs}";
    };

    configurePhase = ''
      runHook preConfigure

      mkdir -p ./node_modules
      cp -R ${finalAttrs.nodeModules}/. ./node_modules/
      chmod -R u+rw node_modules
      if [ -d node_modules/.bin ]; then
        chmod -R u+x node_modules/.bin
      fi
      patchShebangs node_modules

      cd node_modules/node-pty
      node-gyp rebuild
      node scripts/post-install.js
      cd "$NIX_BUILD_TOP/$sourceRoot"

      runHook postConfigure
    '';

    buildPhase = ''
      runHook preBuild

      export HOME="$TMPDIR"
      export BUN_INSTALL_CACHE_DIR="$(mktemp -d)"

      bun run build:desktop
      node ${./patches/build-nix-desktop-package.mjs} --output-dir packaged-app
      cp -R node_modules packaged-app/node_modules
      chmod -R u+rwX packaged-app/node_modules
      patchShebangs packaged-app/node_modules
      find packaged-app/node_modules -xtype l -delete
      rm -rf packaged-app/node_modules/electron
      rm -f packaged-app/node_modules/.bin/electron
      asar pack --unpack='{*.node}' packaged-app packaged-app.asar

      runHook postBuild
    '';

    installPhase = ''
      runHook preInstall

      install -d "$out/share/${pname}/resources"
      install -Dm644 packaged-app.asar "$out/share/${pname}/resources/app.asar"
      if [ -d packaged-app.asar.unpacked ]; then
        cp -R packaged-app.asar.unpacked "$out/share/${pname}/resources/"
      fi

      install -Dm644 apps/desktop/resources/icon.png \
        "$out/share/icons/hicolor/512x512/apps/t3code.png"

      makeWrapper ${lib.getExe electron_40} "$out/bin/t3code" \
        --set T3CODE_DISABLE_AUTO_UPDATE 1 \
        --set-default ELECTRON_FORCE_IS_PACKAGED 1 \
        --set-default ELECTRON_IS_DEV 0 \
        --prefix PATH : ${lib.makeBinPath [
        git
        xdg-utils
      ]} \
        --add-flags "$out/share/${pname}/resources/app.asar"

      runHook postInstall
    '';

    meta = {
      description = "T3 Code desktop app";
      homepage = "https://github.com/pingdotgg/t3code";
      license = lib.licenses.mit;
      mainProgram = "t3code";
      platforms = ["x86_64-linux"];
      sourceProvenance = with lib.sourceTypes; [fromSource];
    };
  })