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# Maintainer: jc_gargma <jc_gargma@iserlohn-fortress.net>
# Maintainer (Arch): Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Contributor: Aqua-sama <aqua@iserlohn-fortress.net>
# Contributor (Arch): Ionut Biru <ibiru@archlinux.org>
# Contributor (Arch): Jakub Schmidtke <sjakub@gmail.com>

# # I maintain this because:
# Arch version uses eme
# Arch version uses git
# Arch version uses python2
# Arch version uses clang
# Arch version requires signed addons
# Arch version doesn't remove system addons
# Arch version enables debug symbols
# Arch version lacks privacy and security by default

_modclang=0
#_modclang=1 # FIXME

pkgname=firefox
pkgver=77.0
pkgrel=1
pkgdesc="Standalone web browser from mozilla.org"
arch=(x86_64 aarch64)
license=(MPL GPL LGPL)
url="https://www.mozilla.org/firefox/"
depends=(gtk3 libxt mime-types dbus-glib ffmpeg ttf-font libpulse alsa-lib
         bzip2 libffi icu libjpeg-turbo libevent libvpx nspr nss pixman libpng sqlite libwebp zlib)
makedepends=(unzip zip diffutils python-setuptools yasm mesa imake inetutils
             xorg-server-xvfb autoconf2.13 rust clang llvm jack gtk2 python
             nodejs python2-psutil cbindgen nasm)
optdepends=('networkmanager: Location detection via available WiFi networks'
            'libnotify: Notification integration'
            'alsa-utils: ALSA support'
            'jack: Jack support'
            'pulseaudio: PulseAudio support'
            'speech-dispatcher: Text-to-Speech'
            'hunspell-en_CA: Spell checking, Canadian English'
            'firefox-preferences: Custom vendor.js with security by default'
            'firefox-preferences-basic: Custom vendor.js with less breaking changes')
options=(!emptydirs !makeflags)
conflicts=(firefox-esr)
source=(
        "https://archive.mozilla.org/pub/$pkgname/releases/$pkgver/source/$pkgname-$pkgver.source.tar.xz"{,.asc}
        0001-Use-remoting-name-for-GDK-application-names.patch
        $pkgname.desktop
        distribution.ini
        mozconfig.in
        mozconfig.in.clang
        mozconfig.in.clang.pgo
        mozconfig.common.override
        arc4_enable-pgo-for-gcc.patch
        arc4_remove-health-reporting.patch
        arc4_remove-system-addons.patch
        )
b2sums=('8b8e8714fa9b04a83b9eba971adf231bd189983c640c235e24433d8e011c26434b3738c9f54a0478be32f0a1681afe5905eb3679ad1fe926adea16a354b8f9ad'
        'SKIP'
        'e4cf5d0ddd2c7271f1723b5c313f0aa8a7bf2242fb301ceba1ab5a4dca655ca7b9461d0aaebe5eaccf84b2f7a4c4199cbb0c18eab2bdaff273fcb730ec27219e'
        'e18f2c22e394ca3b6758bc130245b254947e4d15921be3da443d6d7c3c4b0d22ead1b39fbc10a4f896edd19e2a1dffbd1cbb34dc4beb0621a6ddb70ccc53b3a7'
        '877eda442eb4730600dccf209a6e961ad3122ab456bbfda4ff041e8493ebaaf96224ac218360931259ff4214482f6bf65b3a3052f977ade1a274f38ffd859535'
        'b5588ec7dbc1075c9134938d126776ad172f630843191034f422b353d5cbdf6f637298feb98b99c7e50814ff906156ca3f48ad92a3028cb42b6e91d70a07d7fd'
        'dc5c5f003006d0293390d79a61eff21b47aaf2ce59595c74aea584078b168fa2f83a973dabf7ae0d211ad971bedc6f31c8bd4db20cbe001227318eb9c9247607'
        'b95e2c7cb55f0ffcdc62f337f46e9247e8342b24149bb86f748f7157fb08969c412c171a394287b14cbc012cf752a1c2486f74c882d0b3464c331deac1f66e7f'
        '1e8cdc2968a78fa395b77b654496dbbf21d37308a7fd560ab5cff8dc092d9b5123c374af8a5a18dec7fd2a053f411a1478ebfd928365208d22042391da444b4b'
        '087ea758132905cab848e3a13a13537b42f70ba3a8bfd1ef4e2933d3e874e94038b50ee583b9e7e0c7b7cc7c2cf570f7f613b661f47121b7bf207f433b939f3d'
        '4c0f100c52721f9d9a840d7de1f1d5310578ef7fbc350c62341d96b2af23d8bcb774a289429693153635964860cbb05074149bf043941dec87a1d86655b4d4b6'
        '635a84c64ea9dccf41fbde33b58a72a8123ecd841995ad045bd329e23855f56ffce05670fe2d69a12c4cef7a7399bc6becfc5f40bfd8cea9a4006074672a634d')
validpgpkeys=('14F26682D0916CDD81E37B6D61B7B526D98F0353')  # Mozilla Software Releases

prepare() {
#   mkdir mozbuild
  cd ${pkgname}-${pkgver}

  # https://bugzilla.mozilla.org/show_bug.cgi?id=1530052
  patch -Np1 -i ../0001-Use-remoting-name-for-GDK-application-names.patch

  if [ "${_modclang}" != "1" ]; then
    # Apply gcc pgo patches
    patch -p0 $srcdir/${pkgname}-${pkgver}/security/sandbox/linux/moz.build $srcdir/arc4_enable-pgo-for-gcc.patch
  fi

  if [ "${_modclang}" == "1" ]; then
    # Add the custom mozconfig for pgo
    cp $srcdir/mozconfig.in.clang.pgo $srcdir/${pkgname}-${pkgver}/.mozconfig
  else
    # Add the custom mozconfig
    cp $srcdir/mozconfig.in $srcdir/${pkgname}-${pkgver}/.mozconfig
  fi

  # MOZ_TELEMETRY_REPORTING only applied correctly when set in this override file
  cp $srcdir/mozconfig.common.override $srcdir/${pkgname}-${pkgver}/build/mozconfig.common.override


  # Disable various components at the source level
  #sed -i 's|[;]1|;0|' $srcdir/${pkgname}-${pkgver}/toolkit/components/telemetry/TelemetryStartup.manifest
  sed -i 's/;1/;0/' $srcdir/${pkgname}-${pkgver}/toolkit/components/telemetry/components.conf

  # Patch out health reporting so that MOZ_DATA_REPORTING=0 can be applied.
  patch -p0 $srcdir/${pkgname}-${pkgver}/browser/moz.configure $srcdir/arc4_remove-health-reporting.patch

  # Remove @RESPATH@/browser/features/* to prevent system addons from being part of the output package.
  patch -p0 $srcdir/${pkgname}-${pkgver}/browser/installer/package-manifest.in $srcdir/arc4_remove-system-addons.patch


  # Hide mobile promo
#  echo ".fxaMobilePromo {  display: none !important; }" >> browser/themes/shared/incontentprefs/preferences.inc.css
  # Hide plugindeprecation-notice
  echo "#plugindeprecation-notice {  display: none !important; }" >> toolkit/mozapps/extensions/content/extensions.css
  # Hide warnings on unsigned extensions
  echo ".warning{display: none!important; } .addon[notification=warning]{background-image: none!important;}" >> toolkit/mozapps/extensions/content/extensions.css
}

build() {
  cd ${pkgname}-${pkgver}

  export MOZ_NOSPAM=1
  export MOZBUILD_STATE_PATH="$srcdir/mozbuild"

  export CFLAGS="$CFLAGS -O3 -fstack-protector-all -fPIC"
  export CXXFLAGS="$CXXFLAGS -O3 -fstack-protector-all -fPIC"

  # LTO needs more open files
  ulimit -n 4096

  if [ "${_modclang}" == "1" ]; then
  # clang does not support -fstack-clash-protection, so remove it
  export CFLAGS="$(echo $CFLAGS | sed 's/ -fstack-clash-protection//' - )"
  export CXXFLAGS="$(echo $CXXFLAGS | sed 's/ -fstack-clash-protection//' - )"
#  # -fno-plt with cross-LTO causes obscure LLVM errors
#  # LLVM ERROR: Function Import: link error
#  CFLAGS="${CFLAGS/-fno-plt/}"
#  CXXFLAGS="${CXXFLAGS/-fno-plt/}"

  # Do 3-tier PGO
  echo "Building instrumented browser..."
  ./mach build

  echo "Profiling instrumented browser..."
  ./mach package
  LLVM_PROFDATA=llvm-profdata \
    JARLOG_FILE="$PWD/jarlog" \
    xvfb-run -s "-screen 0 1920x1080x24 -nolisten local" \
    ./mach python build/pgo/profileserver.py

  if [[ ! -s merged.profdata ]]; then
    echo "No profile data produced."
    return 1
  fi

  if [[ ! -s jarlog ]]; then
    echo "No jar log produced."
    return 1
  fi

  echo "Removing instrumented browser..."
  ./mach clobber

  echo "Building optimized browser..."
  # Add the custom mozconfig
  cp $srcdir/mozconfig.in.clang $srcdir/${pkgname}-${pkgver}/.mozconfig
  cat >.mozconfig - <<END
ac_add_options --with-pgo-profile-path=${PWD@Q}/merged.profdata
ac_add_options --with-pgo-jarlog=${PWD@Q}/jarlog
END
  ./mach build
  else
    echo "Building optimized browser..."
    xvfb-run -s "-screen 0 1920x1080x24 -nolisten local" ./mach build
  fi

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

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


  install -Dm644 $srcdir/distribution.ini \
  "$pkgdir/usr/lib/$pkgname/distribution/distribution.ini"

  # don't duplicate the binary, use a symlink instead
  rm "$pkgdir/usr/bin/firefox"
  ln -s "/usr/lib/$pkgname/firefox" "$pkgdir/usr/bin/firefox"

  find . -name '*crashreporter-symbols-full.zip' -exec \
  cp -fvt "$startdir" {} +


  # icons
  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/$theme/content/identity-icons-brand.svg \
    "$pkgdir/usr/share/icons/hicolor/symbolic/apps/$pkgname-symbolic.svg"

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

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