# Maintainer: <random-nick at email dot com>
# Based on the official firefox package by:
# Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Contributor: Ionut Biru <ibiru@archlinux.org>
# Contributor: Jakub Schmidtke <sjakub@gmail.com>

pkgname=waterfox
pkgver=2020.04
pkgrel=1
pkgdesc="Fork of Mozilla Firefox featuring some legacy extensions, removed telemetry and no Pocket integration. This is the Current branch."
arch=(x86_64)
license=(MPL GPL LGPL)
url="https://www.waterfox.net/"
depends=(gtk3 gtk2 libxt startup-notification mime-types dbus-glib nss ttf-font)
makedepends=(unzip zip diffutils python2-setuptools yasm mesa imake inetutils
             xorg-server-xvfb autoconf2.13 rust clang llvm jack
             python nodejs python2-psutil cbindgen nasm)
optdepends=('networkmanager: Location detection via available WiFi networks'
            'libnotify: Notification integration'
            'pulseaudio: Audio support'
			'libpulse: Audio support'
			'ffmpeg: Multimedia playback'
            'speech-dispatcher: Text-to-Speech'
            'hunspell-en_US: Spell checking, American English')
options=(!emptydirs !makeflags !strip)
_archivename=2020.04-current # patch releases don't follow the same format so we can't use $pkgver
source=(Waterfox-$_archivename.tar.gz::https://github.com/MrAlex94/Waterfox/archive/$_archivename.tar.gz
        $pkgname.desktop)
sha256sums=('72eb65abd54bbd141f3d17e6011f6f2248fd0775e3ee0177bfaf3d885bd24007'
            '3c8a3e73ffcb4670ca25fc7087b9c5d93ebbef2f3be8a33cf81ae424c3f27fa3')

prepare() {
  mkdir -p mozbuild
  cd Waterfox-$_archivename

  cat >../mozconfig <<END
ac_add_options --enable-application=browser

ac_add_options --prefix=/usr
ac_add_options --enable-release
ac_add_options --enable-hardening
ac_add_options --enable-optimize
ac_add_options --enable-rust-simd
export CC='clang --target=x86_64-unknown-linux-gnu'
export CXX='clang++ --target=x86_64-unknown-linux-gnu'
export AR=llvm-ar
export NM=llvm-nm
export RANLIB=llvm-ranlib
export LLVM_PROFDATA=llvm-profdata

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

# Branding
ac_add_options --with-app-name=waterfox
ac_add_options --with-app-basename=Waterfox
ac_add_options --with-branding=browser/branding/waterfox

# Features
ac_add_options --enable-alsa
ac_add_options --enable-jack
ac_add_options --enable-startup-notification
ac_add_options --enable-crashreporter
ac_add_options --disable-gconf
ac_add_options --disable-updater
ac_add_options --disable-tests
END
}

build() {
  cd Waterfox-$_archivename

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

  # LTO needs more open files
  ulimit -n 4096

  # -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..."
  cat >.mozconfig ../mozconfig - <<END
ac_add_options --enable-profile-generate
END
  ./mach build
  ./mach package

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

  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..."
  cat >.mozconfig ../mozconfig - <<END
ac_add_options --enable-lto
ac_add_options --enable-profile-use
ac_add_options --with-pgo-profile-path=${PWD@Q}
ac_add_options --with-pgo-jarlog=${PWD@Q}/jarlog
END
  ./mach build
}

package() {
  cd Waterfox-$_archivename
  DESTDIR="$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=Waterfox for Arch Linux

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

  local i theme=waterfox
  for i in 16 32 48 64 128; 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 -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/waterfox "\$@"
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/waterfox-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 ts=2 sw=2 et: