# Contributor (ConnochaetOS): Henry Jensen <hjensen@connochaetos.org>
# Contributor (Parabola): Luke Shumaker <lukeshu@sbcglobal.net>
# Contributor: Figue <ffigue at gmail>
# Contributor (Parabola): fauno <fauno@kiwwwi.com.ar>
# Contributor (Parabola): vando <facundo@esdebian.org>
# Contributor (Parabola): André Silva <emulatorman@lavabit.com>
# Contributor (Parabola): Márcio Silva <coadde@lavabit.com>
# Contributor (Arch): Jakub Schmidtke <sjakub@gmail.com>
# Thank you very much to the older contributors:
# Contributor: evr <evanroman at gmail>
# Contributor: Muhammad 'MJ' Jassim <UnbreakableMJ@gmail.com> 

_pgo=true

# We're getting this from Debian Experimental
_debname=iceweasel
_debver=20.0.1
_debrel=1
_debrepo=http://ftp.debian.org/debian/pool/main/
debfile() { echo $@|sed -r 's@(.).*@\1/&/&@'; }

_pkgname=iceweasel
pkgname=iceweasel-libre
pkgver=$_debver.$_debrel
pkgrel=1

pkgdesc="A libre version of Debian Iceweasel, the standalone web browser based on Mozilla Firefox."
arch=(i686 x86_64 mips64el)
license=(MPL GPL LGPL)
depends=(alsa-lib dbus-glib desktop-file-utils gtk2 hicolor-icon-theme hunspell libevent libnotify libvpx libxt mime-types mozilla-common mozilla-searchplugins nss sqlite startup-notification)
makedepends=(autoconf2.13 diffutils imagemagick libidl2 librsvg libxslt mesa pkg-config python2 quilt unzip zip)
[ "$CARCH" != "mips64el" ] && makedepends+=('yasm')
if $_pgo; then
  makedepends+=(xorg-server-xvfb)
  options=(!ccache)
fi

optdepends=('networkmanager: Location detection via available WiFi networks')
url="http://packages.debian.org/experimental/${_pkgname}"
install=iceweasel.install
replaces=('firefox')
conflicts=('firefox')
provides=('firefox')
source=("$_debrepo/`debfile $_debname`_$_debver.orig.tar.bz2"
        "$_debrepo/`debfile $_debname`_$_debver-$_debrel.debian.tar.gz"
        mozconfig
        mozconfig.pgo
        libre.patch
        iceweasel.desktop
        iceweasel-install-dir.patch
        vendor.js
        shared-libs.patch
        replace-urls.txt
        Bug-756390-Make-the-Reset-Firefox-feature-more-gener.patch)
md5sums=('22daa24b6490c654f131550cbf20fad3'
         '0c70ab52f35701558081df3d360361a2'
         'f90c6a70d0a6d0a9e7f9a0eed6aeffd3'
         '383e8e2a97a8b13fe56d153adb6878b6'
         '5addd418bf32b673fdfe80c8fefbea1a'
         '7b9e5996dd9fe0b186a43a297db1c6b5'
         'abf5ecb74caa857abb42bcfbb3442d9c'
         '6dd547c72bb875a3101135a1c32d4783'
         '52e52f840a49eb1d14be1c0065b03a93'
         'a8fc4658d45b6bf9350023e5c3f34e56'
         'd0e1f2625cd9f7234abdeb55aee00529')

prepare() {
  export DEBIAN_BUILD="mozilla-release"

  export QUILT_PATCHES=debian/patches
  export QUILT_REFRESH_ARGS='-p ab --no-timestamps --no-index'
  export QUILT_DIFF_ARGS='--no-timestamps'

  mv debian "$srcdir/$DEBIAN_BUILD"
  cd "$srcdir/$DEBIAN_BUILD"

  # Doesn't apply and seems unimportant
  rm -v debian/patches/l10n/Place-google-and-gmail-before-yandex.patch || true

  # This patch doesn't works in some parts due that has patches for others locales languages, source code hasn't it
  rm -v debian/patches/debian-hacks/Bug-756390-Make-the-Reset-Firefox-feature-more-gener.patch || true

  quilt push -a

  patch -Np1 -i "$srcdir/Bug-756390-Make-the-Reset-Firefox-feature-more-gener.patch" # Adding fixed Bug-756390-Make-the-Reset-Firefox-feature-more-gener.patch
  patch -Np1 -i "$srcdir/iceweasel-install-dir.patch" # install to /usr/lib/$_pkgname
  patch -Np1 -i "$srcdir/shared-libs.patch"

  # Replace common URLs
  sed '/^#/d' ../replace-urls.txt | while read -r moz_url gnu_url; do
    if [[ -n $moz_url ]]; then
      printf 'liberating: %s -> %s\n' "$moz_url" "$gnu_url"
      grep -Erl "${moz_url}" \
        --exclude='*.'{patch,orig,rej} \
        --exclude-dir={.pc,test,tests,testing} \
        | xargs -d '\n' --no-run-if-empty sed -ri "s<${moz_url}<${gnu_url}<g"
    fi
  done

  # Patch anything that's left
  patch -Np1 -i "$srcdir/libre.patch"

  cp "$srcdir/mozconfig" .mozconfig # Load our build config, disable SafeSearch

  if $_pgo; then
    cat "$srcdir/mozconfig.pgo" >> .mozconfig
  fi

  # From js on abslibre-mips64el.git
  if [ "$CARCH" = "mips64el" ]; then
      msg "Force disabling JIT."
      sed -ri 's/#define ENABLE_(JIT|ASSEMBLER) 1/#define ENABLE_\1 0/' \
          js/src/assembler/wtf/Platform.h
      sed -ri 's/ENABLE_(JIT|ASSEMBLER)=1/ENABLE_\1=0/' js/src/Makefile.{in,ref}

      echo "ac_add_options --disable-methodjit" >> .mozconfig
      echo "ac_add_options --disable-tracejit" >> .mozconfig
  fi

  # This is a bug, we should fix it
  if [ "$CARCH" = "mips64el" ]; then
      # Fix MIPS N32 support.
      sed -i 's/defined(_ABIO32)/(defined(_ABIO32) || defined(_ABIN32))/' \
          js/src/assembler/wtf/Platform.h
      # Disable JIT.
      sed -ri 's/#define ENABLE_(JIT|ASSEMBLER) 1/#define ENABLE_\1 0/' \
          js/src/assembler/wtf/Platform.h
      sed -ri 's/ENABLE_(JIT|ASSEMBLER)=1/ENABLE_\1=0/' js/src/Makefile.in
      echo 'ac_add_options --disable-methodjit' >> .mozconfig
      echo 'ac_add_options --disable-tracejit' >> .mozconfig
      echo 'ac_add_options --disable-jemalloc' >> .mozconfig
  fi

  # Fix PRE_RELEASE_SUFFIX
  sed -i '/^PRE_RELEASE_SUFFIX := ""/s/ ""//' \
    browser/base/Makefile.in

  mkdir "$srcdir/path"

  # WebRTC build tries to execute "python" and expects Python 2
  ln -s /usr/bin/python2 "$srcdir/path/python"

  # Use gold, as Mozilla can use some of its features, such as safe ICF
  ln -s /usr/bin/ld.gold "$srcdir/path/ld"

  # configure script misdetects the preprocessor without an optimization level
  # https://bugs.archlinux.org/task/34644
  sed -i '/ac_cpp=/s/$CPPFLAGS/& -O2/' configure
}

build() {
  cd "$srcdir/$DEBIAN_BUILD"

  export PATH="$srcdir/path:$PATH"
  export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/lib/$_pkgname"
  export PYTHON="/usr/bin/python2"
  export MOZ_MAKE_FLAGS="$MAKEFLAGS"
  unset MAKEFLAGS

  # Enable PGO for x86_64 and mips64el only. i686 currently has problems:
  # Either segfaults since gcc 4.8, or the linker runs out of memory
  # If you discover that PGO again works on i686, please file a bug

  if $_pgo; then

      if [[ $CARCH != i686 ]]; then
        export DISPLAY=:99
        Xvfb -nolisten tcp -extension GLX -screen 0 1280x1024x24 $DISPLAY &
        _fail=0

        make -j1 -f client.mk build MOZ_PGO=1 || _fail=1

        kill $! || true
        return $_fail
      else
        make -j1 -f client.mk build
      fi

  else
    make -j1 -f client.mk build
  fi
}

package() {
  cd "$srcdir/$DEBIAN_BUILD"
  make -j1 -f client.mk DESTDIR="$pkgdir" install

  install -Dm644 ../vendor.js "$pkgdir/usr/lib/$_pkgname/defaults/preferences/vendor.js"

  # I don't even know why we're hitting the objdir, and ConnOS didn't
  _brandingdir=debian/branding
  brandingdir=moz-objdir/$_brandingdir
  icondir="$pkgdir/usr/share/icons/hicolor"
  for i in 16x16 32x32 48x48 64x64; do
    install -Dm644 "$brandingdir/default${i/x*/}.png" "$icondir/$i/apps/$_pkgname.png"
  done
  install -Dm644 "$brandingdir/mozicon128.png"      "$icondir/128x128/apps/$_pkgname.png"
  install -Dm644 "$_brandingdir/iceweasel_icon.svg" "$icondir/scalable/apps/$_pkgname.svg"

  install -d                                        "$pkgdir/usr/share/applications"
  install -m644  "$srcdir/iceweasel.desktop"        "$pkgdir/usr/share/applications"

  rm -rf "$pkgdir/usr/lib/$_pkgname/"{dictionaries,hyphenation,searchplugins,plugins}
  ln -sf /usr/share/hunspell            "$pkgdir/usr/lib/$_pkgname/dictionaries"
  ln -sf /usr/share/hyphen              "$pkgdir/usr/lib/$_pkgname/hyphenation"
  ln -sf /usr/lib/mozilla/plugins       "$pkgdir/usr/lib/$_pkgname/plugins"
  ln -sf /usr/lib/mozilla/searchplugins "$pkgdir/usr/lib/$_pkgname/searchplugins"

  # We don't want the development stuff
  rm -rf "$pkgdir"/usr/{include,lib/$_pkgname-devel,share/idl}

  # Workaround for now: https://bugzilla.mozilla.org/show_bug.cgi?id=658850
  ln -sf $_pkgname "$pkgdir/usr/lib/$_pkgname/$_pkgname-bin"
}