# 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
pkgname=${_pkgname}-esr
pkgver=68.3.0
_pkgver=${pkgver}esr
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 mozilla-common libxt startup-notification 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 python-psutil cbindgen nasm python2)
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')
options=(!emptydirs !makeflags)
conflicts=(firefox)
provides=(firefox)
source=("https://archive.mozilla.org/pub/$_pkgname/releases/$_pkgver/source/$_pkgname-$_pkgver.source.tar.xz"{,.asc}
        no-relinking.patch
        patch-bindgen-rust1390.patch
        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)
sha256sums=('e131149a70e7ae867d9b0ea081e8c081d056500ee51bb9270df247e977badc69'
            'SKIP'
            '2dc9d1aa5eb7798c89f46478f254ae61e4122b4d1956d6044426288627d8a014'
            'd0c7cc63ce49128e6a53dde7f4116293a51e2144fc329df93dda44b228a8effb'
            'ab07ab26617ff76fce68e07c66b8aa9b96c2d3e5b5517e51a3c3eac2edd88894'
            'a9e5264257041c0b968425b5c97436ba48e8d294e1a0f02c59c35461ea245c33'
            '0ba4d1a619a3a5750a5a48c6bff8c6a69d3aa4be4c303032c5979ab5f68db208'
            '1cc0730e0f0285f45f30feeeee6d7757931b25263b35b041abd71c2e0486210d'
            '6bf4638134915758466a912dc909fbad165e76cc3807e9eedc659f8f346575fa'
            'b9833cf28af757e17a34e5c7f9db89b97d5c56b8f55cb6bccb70fc48275318af'
            'dcf70d24eedab79d811974a75663f0e84c5efca420da61fc444ebe311d0cada9'
            'a8c15c9d54ef8b360c0932f4ccf5e74954f14e9a9c2a1ae924b6c392075b2b8c'
            '2e3bf18c73ec3e932f8f2a75495b695f854a0fd883fe2065bff5a7b197cd7e54'
            '927e400d6920b98d2fe7db2b6498f195135909a76e0da49441223956364d8227')
validpgpkeys=('14F26682D0916CDD81E37B6D61B7B526D98F0353')  # Mozilla Software Releases

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

  # Avoid relinking during buildsymbols
  patch -Np1 -i ../no-relinking.patch

  # https://svnweb.freebsd.org/ports/head/www/firefox-esr/files/patch-bindgen-rust1390?revision=516995&view=markup&pathrev=516995
  patch -Np0 -i ../patch-bindgen-rust1390.patch

  # 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
  msg2 "Building instrumented browser..."
  ./mach build

  msg2 "Profiling instrumented browser..."
  ./mach package
  LLVM_PROFDATA=llvm-profdata \
    JARLOG_FILE="$PWD/jarlog" \
    xvfb-run -a -n 92 -s "-screen 0 1600x1200x24" \
    ./mach python build/pgo/profileserver.py

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

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

  msg2 "Removing instrumented browser..."
  ./mach clobber

  msg2 "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
    msg2 "Building optimized browser..."
    xvfb-run -a -n 96 -s "-screen 0 1600x1200x24" ./mach build
  fi

  msg2 "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
  for i in 16 22 24 32 48 64 128 256; do
    install -Dvm644 browser/branding/official/default$i.png \
      "$pkgdir/usr/share/icons/hicolor/${i}x${i}/apps/$_pkgname.png"
  done
  install -Dvm644 browser/branding/official/content/about-logo.png \
    "$pkgdir/usr/share/icons/hicolor/192x192/apps/$_pkgname.png"
  install -Dvm644 browser/branding/official/content/about-logo@2x.png \
    "$pkgdir/usr/share/icons/hicolor/384x384/apps/$_pkgname.png"
  install -Dvm644 browser/branding/official/content/identity-icons-brand.svg \
    "$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
}