# Maintainer: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
# Contributor: Ionut Biru <ibiru@archlinux.org>
# Contributor: Jakub Schmidtke <sjakub@gmail.com>

# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
#  - mozconfig changes for ARM
#  - revert change for clang that breaks gcc build on ARM
#  - disable rust lto for v7

highmem=1

pkgname=firefox
pkgver=100.0.2
pkgrel=1
pkgdesc="Standalone web browser from mozilla.org"
arch=(x86_64)
license=(MPL GPL LGPL)
url="https://www.mozilla.org/firefox/"
depends=(gtk3 libxt mime-types dbus-glib ffmpeg nss ttf-font libpulse)
makedepends=(unzip zip diffutils yasm mesa imake inetutils xorg-server-xvfb
             autoconf2.13 rust clang llvm jack nodejs cbindgen nasm
             python-setuptools python-zstandard lld dump_syms)
optdepends=('networkmanager: Location detection via available WiFi networks'
            'libnotify: Notification integration'
            'pulseaudio: Audio support'
            'speech-dispatcher: Text-to-Speech'
            'hunspell-en_US: Spell checking, American English'
            'xdg-desktop-portal: Screensharing with Wayland')
options=(!emptydirs !makeflags !strip !lto !debug)
source=(https://archive.mozilla.org/pub/firefox/releases/$pkgver/source/firefox-$pkgver.source.tar.xz{,.asc}
        build-arm-libopus.patch
        $pkgname.desktop identity-icons-brand.svg)
sha256sums=('dc109861204f6938fd8f147af89a694eb516f3d4bb64ce3f0116452d654a8417'
            'SKIP'
            '2d4d91f7e35d0860225084e37ec320ca6cae669f6c9c8fe7735cdbd542e3a7c9'
            '298eae9de76ec53182f38d5c549d0379569916eebf62149f9d7f4a7edef36abf'
            'a9b8b4a0a1f4a7b4af77d5fc70c2686d624038909263c795ecc81e0aec7711e9')
validpgpkeys=('14F26682D0916CDD81E37B6D61B7B526D98F0353') # Mozilla Software Releases <release@mozilla.com>

# Google API keys (see http://www.chromium.org/developers/how-tos/api-keys)
# Note: These are for Arch Linux use ONLY. For your own distribution, please
# get your own set of keys. Feel free to contact foutrelis@archlinux.org for
# more information.
#  - Arch Linux ARM has obtained permission to use the Arch Linux keys.
_google_api_key=AIzaSyDwr302FpOSkGRpLlUpPThNTDPbXcIn_FM

# Mozilla API keys (see https://location.services.mozilla.com/api)
# Note: These are for Arch Linux use ONLY. For your own distribution, please
# get your own set of keys. Feel free to contact heftig@archlinux.org for
# more information.
_mozilla_api_key=e05d56db0a694edc8b5aaebda3f2db6a

prepare() {
  mkdir mozbuild
  cd firefox-$pkgver

  echo -n "$_google_api_key" >google-api-key
  echo -n "$_mozilla_api_key" >mozilla-api-key

  cat >.mozconfig <<END
ac_add_options --enable-application=browser
mk_add_options MOZ_OBJDIR=${PWD@Q}/obj

ac_add_options --prefix=/usr
ac_add_options --enable-release
#ac_add_options --enable-hardening
#ac_add_options --enable-optimize="-O2"
#ac_add_options --enable-rust-simd
ac_add_options --enable-linker=lld
ac_add_options --disable-bootstrap
ac_add_options --without-wasm-sandboxed-libraries

# Branding
ac_add_options --enable-official-branding
ac_add_options --enable-update-channel=release
ac_add_options --with-distribution-id=org.archlinux
ac_add_options --with-unsigned-addon-scopes=app,system
ac_add_options --allow-addon-sideload
export MOZILLA_OFFICIAL=1
export MOZ_APP_REMOTINGNAME=${pkgname//-/}

# Keys
ac_add_options --with-google-location-service-api-keyfile=${PWD@Q}/google-api-key
ac_add_options --with-google-safebrowsing-api-keyfile=${PWD@Q}/google-api-key
ac_add_options --with-mozilla-api-keyfile=${PWD@Q}/mozilla-api-key

# System libraries
ac_add_options --with-system-nspr
ac_add_options --with-system-nss

# Features
ac_add_options --enable-alsa
ac_add_options --enable-jack
ac_add_options --disable-crashreporter
ac_add_options --disable-updater
ac_add_options --disable-tests
END

  if [[ $CARCH == "armv7h" ]]; then
    echo "ac_add_options --disable-elf-hack" >> .mozconfig
    # https://bugzilla.redhat.com/show_bug.cgi?id=1641623
    echo "ac_add_options --disable-av1" >> .mozconfig
    # reduce jobs due to RAM constraints
    MAKEFLAGS="-j4"
    # disable hard-coded LTO
    sed -i '/cargo_rustc_flags += -Clto/d' config/makefiles/rust.mk
    sed -i '/RUSTFLAGS += -Cembed-bitcode=yes/d' config/makefiles/rust.mk
    # increase codegen-units due to RAM constraints
    sed -i 's/codegen-units=1/codegen-units=16/' config/makefiles/rust.mk
    # webrtc on ARMv7 implies android, so disable it
    echo "ac_add_options --disable-webrtc" >> .mozconfig
  elif [[ $CARCH == "aarch64" ]]; then
    echo 'ac_add_options --enable-rust-simd' >> .mozconfig
  fi

  echo 'ac_add_options --enable-optimize="-g0 -O2"' >> .mozconfig
  echo "mk_add_options MOZ_MAKE_FLAGS=\"${MAKEFLAGS}\"" >> .mozconfig

  export MOZ_DEBUG_FLAGS=" "
  export CFLAGS+=" -g0"
  export CXXFLAGS+=" -g0"
  export LDFLAGS+=" -Wl,--no-keep-memory"
  export RUSTFLAGS="-Cdebuginfo=0"
  patch -p1 -i ../build-arm-libopus.patch
}

build() {
  cd firefox-$pkgver

  export MOZ_NOSPAM=1
  export MOZBUILD_STATE_PATH="$srcdir/mozbuild"
  export MOZ_ENABLE_FULL_SYMBOLS=1
  export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE=system

  # LTO needs more open files
  ulimit -n 4096

  echo "Building optimized browser..."
  ./mach build

  echo "Building symbol archive..."
  ./mach buildsymbols
}

package() {
  cd firefox-$pkgver
  DESTDIR="$pkgdir" ./mach install

  local vendorjs="$pkgdir/usr/lib/$pkgname/browser/defaults/preferences/vendor.js"
  install -Dvm644 /dev/stdin "$vendorjs" <<END
// Use LANG environment variable to choose locale
pref("intl.locale.requested", "");

// Use system-provided dictionaries
pref("spellchecker.dictionary_path", "/usr/share/hunspell");

// Disable default browser checking.
pref("browser.shell.checkDefaultBrowser", false);

// Don't disable extensions in the application directory
pref("extensions.autoDisableScopes", 11);
END

  local distini="$pkgdir/usr/lib/$pkgname/distribution/distribution.ini"
  install -Dvm644 /dev/stdin "$distini" <<END
[Global]
id=archlinux
version=1.0
about=Mozilla Firefox for Arch Linux

[Preferences]
app.distributor=archlinux
app.distributor.channel=$pkgname
app.partner.archlinux=archlinux
END

  local i theme=official
  for i in 16 22 24 32 48 64 128 256; do
    install -Dvm644 browser/branding/$theme/default$i.png \
      "$pkgdir/usr/share/icons/hicolor/${i}x${i}/apps/$pkgname.png"
  done
  install -Dvm644 browser/branding/$theme/content/about-logo.png \
    "$pkgdir/usr/share/icons/hicolor/192x192/apps/$pkgname.png"
  install -Dvm644 browser/branding/$theme/content/about-logo@2x.png \
    "$pkgdir/usr/share/icons/hicolor/384x384/apps/$pkgname.png"
  install -Dvm644 browser/branding/$theme/content/about-logo.svg \
    "$pkgdir/usr/share/icons/hicolor/scalable/apps/$pkgname.svg"
  install -Dvm644 ../identity-icons-brand.svg \
    "$pkgdir/usr/share/icons/hicolor/symbolic/apps/$pkgname-symbolic.svg"

  install -Dvm644 ../$pkgname.desktop \
    "$pkgdir/usr/share/applications/$pkgname.desktop"

  # Install a wrapper to avoid confusion about binary path
  install -Dvm755 /dev/stdin "$pkgdir/usr/bin/$pkgname" <<END
#!/bin/sh
exec /usr/lib/$pkgname/firefox "\$@"
END

  # Replace duplicate binary with wrapper
  # https://bugzilla.mozilla.org/show_bug.cgi?id=658850
  ln -srfv "$pkgdir/usr/bin/$pkgname" "$pkgdir/usr/lib/$pkgname/firefox-bin"

  # Use system certificates
  local nssckbi="$pkgdir/usr/lib/$pkgname/libnssckbi.so"
  if [[ -e $nssckbi ]]; then
    ln -srfv "$pkgdir/usr/lib/libnssckbi.so" "$nssckbi"
  fi
}

# vim:set sw=2 et: