nixpkgs/pkgs/by-name/we/wechat-uos/package.nix

{
  stdenvNoCC,
  stdenv,
  lib,
  fetchurl,
  dpkg,
  nss,
  nspr,
  xorg,
  pango,
  zlib,
  atkmm,
  libdrm,
  libxkbcommon,
  xcbutilwm,
  xcbutilimage,
  xcbutilkeysyms,
  xcbutilrenderutil,
  libgbm,
  alsa-lib,
  wayland,
  atk,
  qt6,
  at-spi2-atk,
  at-spi2-core,
  dbus,
  cups,
  gtk3,
  libxml2,
  cairo,
  freetype,
  fontconfig,
  vulkan-loader,
  gdk-pixbuf,
  libexif,
  ffmpeg,
  pulseaudio,
  systemd,
  libuuid,
  expat,
  bzip2,
  glib,
  libva,
  libGL,
  libnotify,
  buildFHSEnv,
  writeShellScript,
}:
let
  wechat-uos-env = stdenvNoCC.mkDerivation {
    meta.priority = 1;
    name = "wechat-uos-env";
    buildCommand = ''
      mkdir -p $out/etc
      mkdir -p $out/usr/bin
      mkdir -p $out/usr/share
      mkdir -p $out/opt
      mkdir -p $out/var

      ln -s ${wechat}/opt/* $out/opt/
    '';
    preferLocalBuild = true;
  };

  wechat-uos-runtime = with xorg; [
    stdenv.cc.cc
    stdenv.cc.libc
    pango
    zlib
    xcbutilwm
    xcbutilimage
    xcbutilkeysyms
    xcbutilrenderutil
    libX11
    libXt
    libXext
    libSM
    libICE
    libxcb
    libxkbcommon
    libxshmfence
    libXi
    libXft
    libXcursor
    libXfixes
    libXScrnSaver
    libXcomposite
    libXdamage
    libXtst
    libXrandr
    libnotify
    atk
    atkmm
    cairo
    at-spi2-atk
    at-spi2-core
    alsa-lib
    dbus
    cups
    gtk3
    gdk-pixbuf
    libexif
    ffmpeg
    libva
    freetype
    fontconfig
    libXrender
    libuuid
    expat
    glib
    nss
    nspr
    libGL
    libxml2
    pango
    libdrm
    libgbm
    vulkan-loader
    systemd
    wayland
    pulseaudio
    qt6.qt5compat
    bzip2
  ];

  sources = import ./sources.nix;

  wechat = stdenvNoCC.mkDerivation rec {
    pname = "wechat-uos";
    version = sources.version;

    src =
      {
        x86_64-linux = fetchurl {
          url = sources.amd64_url;
          hash = sources.amd64_hash;
        };
        aarch64-linux = fetchurl {
          url = sources.arm64_url;
          hash = sources.arm64_hash;
        };
        loongarch64-linux = fetchurl {
          url = sources.loongarch64_url;
          hash = sources.loongarch64_hash;
        };
      }
      .${stdenv.system} or (throw "${pname}-${version}: ${stdenv.system} is unsupported.");

    nativeBuildInputs = [ dpkg ];

    unpackPhase = ''
      runHook preUnpack

      dpkg -x $src ./wechat-uos

      runHook postUnpack
    '';

    # Use ln for license to prevent being garbage collection
    installPhase = ''
      runHook preInstall
      mkdir -p $out

      cp -r wechat-uos/* $out

      runHook postInstall
    '';

    meta = with lib; {
      description = "Messaging app";
      homepage = "https://weixin.qq.com/";
      license = licenses.unfree;
      platforms = [
        "x86_64-linux"
        "aarch64-linux"
        "loongarch64-linux"
      ];
      sourceProvenance = with sourceTypes; [ binaryNativeCode ];
      maintainers = with maintainers; [
        pokon548
        xddxdd
      ];
      mainProgram = "wechat-uos";
    };
  };
in
buildFHSEnv {
  inherit (wechat) pname version meta;
  runScript = writeShellScript "wechat-uos-launcher" ''
    export QT_QPA_PLATFORM=xcb
    export QT_AUTO_SCREEN_SCALE_FACTOR=1
    export LD_LIBRARY_PATH=${lib.makeLibraryPath wechat-uos-runtime}

    if [[ ''${XMODIFIERS} =~ fcitx ]]; then
      export QT_IM_MODULE=fcitx
      export GTK_IM_MODULE=fcitx
    elif [[ ''${XMODIFIERS} =~ ibus ]]; then
      export QT_IM_MODULE=ibus
      export GTK_IM_MODULE=ibus
      export IBUS_USE_PORTAL=1
    fi

    ${wechat.outPath}/opt/apps/com.tencent.wechat/files/wechat
  '';
  extraInstallCommands = ''
    mkdir -p $out/share/applications
    mkdir -p $out/share/icons
    cp -r ${wechat.outPath}/opt/apps/com.tencent.wechat/entries/applications/com.tencent.wechat.desktop $out/share/applications
    cp -r ${wechat.outPath}/opt/apps/com.tencent.wechat/entries/icons/* $out/share/icons/

    substituteInPlace $out/share/applications/com.tencent.wechat.desktop \
      --replace-quiet 'Exec=/usr/bin/wechat' "Exec=$out/bin/wechat-uos --"

    # See https://github.com/NixOS/nixpkgs/issues/413491
    sed -i \
      -e '/\[Desktop Entry\]/a\' \
      -e 'StartupWMClass=wechat' \
      $out/share/applications/com.tencent.wechat.desktop
  '';
  targetPkgs = pkgs: [ wechat-uos-env ];

  passthru.updateScript = ./update.sh;

  extraOutputsToInstall = [
    "usr"
    "var/lib/uos"
    "var/uos"
    "etc"
  ];
}