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# Maintainer: Nicola Squartini <tensor5@gmail.com>

pkgname=electron13
pkgver=13.6.9
_commit=5c5b2835b64e6a2b86b8467288908467e8228890
_chromiumver=91.0.4472.164
_gcc_patchset=5
pkgrel=3
pkgdesc='Build cross platform desktop apps with web technologies'
arch=('x86_64')
url='https://electronjs.org/'
license=('MIT' 'custom')
depends=('c-ares' 'ffmpeg' 'gtk3' 'libevent' 'libxslt' 'minizip' 'nss' 're2'
         'snappy')
makedepends=('clang' 'git' 'gn' 'gperf' 'harfbuzz-icu' 'http-parser'
             'java-runtime-headless' 'jsoncpp' 'libnotify' 'lld' 'llvm' 'ninja'
             'npm' 'pciutils' 'pipewire' 'python2' 'python' 'python-httplib2'
             'python-pyparsing' 'python-six' 'wget' 'yarn')
optdepends=('kde-cli-tools: file deletion support (kioclient5)'
            'libappindicator-gtk3: StatusNotifierItem support'
            'pipewire: WebRTC desktop sharing under Wayland'
            'trash-cli: file deletion support (trash-put)'
            "xdg-utils: open URLs with desktop's default (xdg-email, xdg-open)")
options=('!lto') # Electron adds its own flags for ThinLTO
source=('git+https://github.com/electron/electron.git'
        'git+https://chromium.googlesource.com/chromium/tools/depot_tools.git#branch=main'
        "https://github.com/stha09/chromium-patches/releases/download/chromium-${_chromiumver%%.*}-patchset-${_gcc_patchset}/chromium-${_chromiumver%%.*}-patchset-${_gcc_patchset}.tar.xz"
        "electron-launcher.sh"
        "electron.desktop"
        'default_app-icon.patch'
        'use-system-libraries-in-node.patch'
        'add-clang-nomerge-attribute-to-CheckError.patch'
        'breakpad-fix-for-non-constant-SIGSTKSZ.patch'
        'chromium-freetype-2.11.patch'
        'chromium-glibc-2.33.patch'
        'chromium-harfbuzz-3.0.0.patch'
        'sandbox-build-if-glibc-2.34-dynamic-stack-size-is-en.patch'
        'std-max-fix.patch'
        'skia-harfbuzz-3.0.0.patch'
        'unbundle-fix-visibility-of-build-config-freetype.patch'
        'gn-visibility-gmock.patch'
        'gn-visibility-mojo.patch'
        'gn-visibility-webrtc.patch'
        'sql-make-VirtualCursor-standard-layout-type.patch'
        'unbundle-use-char16_t-as-UCHAR_TYPE.patch'
        'ffmpeg5.patch'
        'wayland-mmap-keymaps-as-read-only-memory.patch'
       )
sha256sums=('SKIP'
            'SKIP'
            '171525009003a9ed1182cfcb6f407d7169d9a731a474304e263029376719f55a'
            '693c0d5d79d57ac8d8195ec21f9896f6f2c9ec7b3f2deb2b849aa7966f9e0ced'
            'c128612dcdff9d5edf488775db1cd2b5b00e06811c88bf622703cce4787fcc51'
            'dd2d248831dd4944d385ebf008426e66efe61d6fdf66f8932c963a12167947b4'
            '7cb11fb44aaf4d15f36caca3c0d1b082a723c30d43cd44db147248db5683a2a9'
            '50133dd196d288ad538bb536aa51dccd6cb4aacfd9a60160f77e8fb16034b460'
            'b4d28867c1fabde6c50a2cfa3f784730446c4d86e5191e0f0000fbf7b0f91ecf'            
            '940346d3599d09366068d88b65dfcbcab187ceb5d14dc7c7f9b6ae5e6f25ec7d'
            '2fccecdcd4509d4c36af873988ca9dbcba7fdb95122894a9fdf502c33a1d7a4b'
            '7ce947944a139e66774dfc7249bf7c3069f07f83a0f1b2c1a1b14287a7e15928'
            'f910be9370c880de6e1d61cc30383c069e421d7acf406166e4fbfad324fc7d61'
            'c315dd56b354cf5ad3458e1edf397cc7b492fefe82138135a881206a82b9d9dc'            
            'c9ed1dbadaf4be6097e25bc5577b91751799befc2d0376b143e1bd10def5754e'
            'd0b17162211dd49e3a58c16d1697e7d8c322dcfd3b7890f0c2f920b711f52293'
            'b9934e01d8f39beafc8b63784fb86e6befe25ca83e9c43224c8374e5a025d8ef'
            'cca2d224cf2e9d7cfb4f5729ca76b5b8a7100b1ca39892b41fb296adaced1bf7'
            '574785a21168c3e9b7aa82630713ceb6ced12f699133db66b10fc84b7bb2c631'
            'dd317f85e5abfdcfc89c6f23f4c8edbcdebdd5e083dcec770e5da49ee647d150'
            '59a59a60a08b335fe8647fdf0f9d2288d236ebf2cc9626396d0c4d032fd2b25d'
            '4f32b815349357ef1f17b36059cee588c994472b9754a194fff41ec21a93826b'
            '88f0fa78de1805e57e70b46caf946544bbfad205f95f723eddf7fc7aad58af40'
           )

_system_libs=('ffmpeg'
              'flac'
              'fontconfig'
              'freetype'
              'harfbuzz-ng'
              'icu'
              'libdrm'
              'libevent'
              'libjpeg'
              'libpng'
#              'libvpx'
              'libwebp'
              'libxml'
              'libxslt'
#              'openh264'
              'opus'
              're2'
              'snappy'
              'zlib'
             )

prepare() {
  mkdir -p "${srcdir}"/python2-path
  ln -sf /usr/bin/python2 "${srcdir}/python2-path/python"
  export PATH="${srcdir}/python2-path:${PATH}:${srcdir}/depot_tools"

  echo "Fetching chromium..."
  git clone --branch=${_chromiumver} --depth=1 \
      https://chromium.googlesource.com/chromium/src.git

  echo "solutions = [
  {
    \"name\": \"src/electron\",
    \"url\": \"file://${srcdir}/electron@${_commit}\",
    \"deps_file\": \"DEPS\",
    \"managed\": False,
    \"custom_deps\": {
      \"src\": None,
    },
    \"custom_vars\": {},
  },
]" > .gclient

  python3 "${srcdir}/depot_tools/gclient.py" sync \
      --with_branch_heads \
      --with_tags \
      --nohooks

  sed -e "s/'am'/'apply'/" -i src/electron/script/lib/git.py

  echo "Running hooks..."
  # python2 "${srcdir}/depot_tools/gclient.py" runhooks
  python2 src/build/landmines.py
  python2 src/build/util/lastchange.py -o src/build/util/LASTCHANGE
  python2 src/build/util/lastchange.py -m GPU_LISTS_VERSION \
    --revision-id-only --header src/gpu/config/gpu_lists_version.h
  python2 src/build/util/lastchange.py -m SKIA_COMMIT_HASH \
    -s src/third_party/skia --header src/skia/ext/skia_commit_hash.h
  # Create sysmlink to system clang-format
  ln -s /usr/bin/clang-format src/buildtools/linux64
  # Create sysmlink to system Node.js
  mkdir -p src/third_party/node/linux/node-linux-x64/bin
  ln -sf /usr/bin/node src/third_party/node/linux/node-linux-x64/bin
  #python2 src/third_party/depot_tools/download_from_google_storage.py \
  #  --no_resume --extract --no_auth --bucket chromium-nodejs \
  #  -s src/third_party/node/node_modules.tar.gz.sha1
  cd src/third_party/node
  npm ci
  cd ../../..
  vpython src/tools/download_optimization_profile.py \
    --newest_state=src/chrome/android/profiles/newest.txt \
    --local_state=src/chrome/android/profiles/local.txt \
    --output_name=src/chrome/android/profiles/afdo.prof \
    --gs_url_base=chromeos-prebuilt/afdo-job/llvm
  #vpython src/tools/update_pgo_profiles.py \
  #  --target=linux \
  #  update \
  #  --gs-url-base=chromium-optimization-profiles/pgo_profiles
  python2 src/electron/script/apply_all_patches.py \
      src/electron/patches/config.json
  cd src/electron
  yarn install --frozen-lockfile
  cd ..

  echo "Applying local patches..."
  # Fixes for building with libstdc++ instead of libc++
  patch -Np1 -i ../patches/chromium-90-ruy-include.patch

  patch -Np1 -d third_party/breakpad/breakpad < ../breakpad-fix-for-non-constant-SIGSTKSZ.patch
  patch -Np1 -i ../ffmpeg5.patch
  patch -Rp1 -i ../add-clang-nomerge-attribute-to-CheckError.patch
  patch -Np1 -i ../chromium-freetype-2.11.patch
  patch -Np1 -i ../chromium-glibc-2.33.patch
  patch -Np1 -i ../chromium-harfbuzz-3.0.0.patch
  patch -Np1 -d third_party/skia <../skia-harfbuzz-3.0.0.patch
  patch -Np1 -i ../unbundle-fix-visibility-of-build-config-freetype.patch
  patch -Np1 -i ../gn-visibility-gmock.patch
  patch -Np1 -i ../gn-visibility-mojo.patch
  patch -Np1 -i ../gn-visibility-webrtc.patch
  patch -Np1 -i ../sandbox-build-if-glibc-2.34-dynamic-stack-size-is-en.patch
  patch -Np1 -i ../sql-make-VirtualCursor-standard-layout-type.patch
  patch -Np1 -i ../std-max-fix.patch
  patch -Np1 -i ../unbundle-use-char16_t-as-UCHAR_TYPE.patch
  patch -Np1 -i ../wayland-mmap-keymaps-as-read-only-memory.patch
  patch -Np1 -i ../use-system-libraries-in-node.patch
  patch -Np1 -i ../default_app-icon.patch  # Icon from .desktop file

  echo "Patching Chromium for using system libraries..."
  sed -i 's/OFFICIAL_BUILD/GOOGLE_CHROME_BUILD/' \
      tools/generate_shim_headers/generate_shim_headers.py
  for lib in $(printf "%s\n" "${_system_libs[@]}" | sed 's/^libjpeg$/&_turbo/'); do
      third_party_dir="third_party/${lib}"
      if [ ! -d ${third_party_dir} ]; then
        third_party_dir="base/${third_party_dir}"
      fi
      find ${third_party_dir} -type f \
          \! -path "${third_party_dir}/chromium/*" \
          \! -path "${third_party_dir}/google/*" \
          \! -path 'third_party/harfbuzz-ng/utils/hb_scoped.h' \
          \! -regex '.*\.\(gn\|gni\|isolate\)' \
          -delete
  done
  python2 build/linux/unbundle/replace_gn_files.py \
      --system-libraries \
      "${_system_libs[@]}"
}

build() {
  export CC=clang
  export CXX=clang++
  export AR=ar
  export NM=nm

  CFLAGS="${CFLAGS/-fexceptions/}"
  CXXFLAGS="${CXXFLAGS/-fexceptions/}"

  # This appears to cause random segfaults when combined with ThinLTO
  # https://bugs.archlinux.org/task/73518
  CFLAGS=${CFLAGS/-fstack-clash-protection}
  CXXFLAGS=${CXXFLAGS/-fstack-clash-protection}

  # Do not warn about unknown warning options
  CFLAGS+='   -Wno-unknown-warning-option'
  CXXFLAGS+=' -Wno-unknown-warning-option'

  cd src
  export CHROMIUM_BUILDTOOLS_PATH="${PWD}/buildtools"
  GN_EXTRA_ARGS='
    blink_symbol_level = 0
    chrome_pgo_phase = 0
    clang_use_chrome_plugins = false
    custom_toolchain = "//build/toolchain/linux/unbundle:default"
    host_toolchain = "//build/toolchain/linux/unbundle:default"
    icu_use_data_file = false
    is_component_ffmpeg = false
    link_pulseaudio = true
    rtc_use_pipewire = true
    treat_warnings_as_errors = false
    use_custom_libcxx = false
    use_gnome_keyring = false
    use_sysroot = false
  '
  gn gen out/Release \
      --args="import(\"//electron/build/args/release.gn\") ${GN_EXTRA_ARGS}"
  ninja -C out/Release electron
  # Strip before zip to avoid
  # zipfile.LargeZipFile: Filesize would require ZIP64 extensions
  strip -s out/Release/electron
  ninja -C out/Release electron_dist_zip
  # ninja -C out/Release third_party/electron_node:headers
}

package() {
  install -dm755 "${pkgdir}/usr/lib/${pkgname}"
  bsdtar -xf src/out/Release/dist.zip -C "${pkgdir}/usr/lib/${pkgname}"

  chmod u+s "${pkgdir}/usr/lib/${pkgname}/chrome-sandbox"

  install -dm755 "${pkgdir}/usr/share/licenses/${pkgname}"
  for l in "${pkgdir}/usr/lib/${pkgname}"/{LICENSE,LICENSES.chromium.html}; do
    ln -s  \
      "$(realpath --relative-to="${pkgdir}/usr/share/licenses/${pkgname}" "${l}")" \
      "${pkgdir}/usr/share/licenses/${pkgname}"
  done

  install -Dm755 "${srcdir}/electron-launcher.sh" \
    "${pkgdir}/usr/bin/${pkgname}"

  # Install .desktop and icon file (see default_app-icon.patch)
  install -Dm644 "electron.desktop" \
    "${pkgdir}/usr/share/applications/${pkgname}.desktop"
  install -Dm644 src/electron/default_app/icon.png \
          "${pkgdir}/usr/share/pixmaps/${pkgname}.png"  # hicolor has no 1024x1024
}