# Maintainer: Matt Parnell/ilikenwf <parwok@gmail.com>
# based on chromium-snapshot-bin by det
# Contributors: Ner0, alexwizard, thotypous, jdhore, xduugu, randypenguin, bdheeman, AlK

#########################
## -- Build options -- ##
#########################

_domains_substitute=1
_enable_webrtc=1 # see notes on inox 57.0.2987.133 release https://github.com/gcarq/inox-patchset/releases/tag/57.0.2987.133
_enable_vaapi=0  # Patch for VAAPI HW acceleration

# Possible replacements are listed in build/linux/unbundle/replace_gn_files.py
# Keys are the names in the above script; values are the dependencies in Arch
declare -rgA _system_libs=(
  [ffmpeg]=ffmpeg
  [flac]=flac
  [harfbuzz-ng]=harfbuzz-icu
  [icu]=icu
  [libevent]=libevent # Get segfaults and other problems https://bugs.gentoo.org/593458
  [libjpeg]=libjpeg
  [libpng]=libpng
  [libvpx]=libvpx
  [libwebp]=libwebp
  #[libxml]=libxml2    # https://bugs.archlinux.org/task/29939
  [libxslt]=libxslt
  [re2]=re2
  [snappy]=snappy
  [yasm]=
  [zlib]=minizip
)

pkgname=ungoogled-chromium
pkgver=57.0.2987.133
pkgrel=1
pkgdesc="Modifications to Google Chromium for removing Google integration and enhancing privacy, control, and transparency"
arch=('x86_64')
url="https://github.com/Eloston/ungoogled-chromium"
license=('BSD')
depends=('gtk2' 'nss' 'alsa-lib' 'xdg-utils' 'bzip2' 'libevent' 'libxss' 'icu'
         'libexif' 'libgcrypt' 'ttf-font' 'systemd' 'dbus' 'flac' 'snappy'
         'pciutils' 'libpulse' 'harfbuzz' 'libsecret'
         'perl' 'perl-file-basedir' 'desktop-file-utils' 'hicolor-icon-theme'
         'gconf' 're2' 'minizip')
optdepends=('kdialog: needed for file dialogs in KDE'
            'gnome-keyring: for storing passwords in GNOME keyring'
            'kwalletmanager: for storing passwords in KWallet'
            'pepper-flash: for Pepper Flash plugin [AUR]')
makedepends=('python3' 'python2' 'gperf' 'yasm' 'mesa' 'ninja' 'git' 'quilt' 'clang' 'harfbuzz-icu' 'ffmpeg')
provides=('chromium')
install=${pkgname}.install
source=("git://github.com/Eloston/ungoogled-chromium#branch=develop"
        "${pkgname}.sh"
        "${pkgname}.desktop"
        "${pkgname}"_{16,22,24,32,48,64,128,256}.png
        # Misc Patches
		"enable_vaapi_on_linux_${pkgver}.diff::https://raw.githubusercontent.com/saiarcot895/chromium-ubuntu-build/f1f75b30353b1085ff8fd5c53f870740b19d2ad6/debian/patches/enable_vaapi_on_linux.diff"
		"specify-max-resolution_${pkgver}.patch::https://raw.githubusercontent.com/saiarcot895/chromium-ubuntu-build/17a9e43741d5827969f7ad5f1483b69bec95e86e/debian/patches/specify-max-resolution.patch"
		)
md5sums=('SKIP'
         '374877078f924e08afe93b30d0daea09'
         'ccd3505ed32877a6e7e54fbb4f5040c1'
         '6cd41f6e08eee03c6553603fb0b6ecd7'
         '227eac16d1e737bed42742840b950d41'
         '308eb2e0c509e12ecf33165ced9eef0d'
         'e9944fe09afc8495a2fbf70db810a219'
         '17856a060d1fc003447cb7a3f414be7d'
         'f2325d8de3d217471f029e8b59a712e3'
         '811f5de21b882cdb49618de549e017ca'
         'c6cf982d5ebece0b9cd64f065acd384a'
         '6382782cf4dd06ff10015652cb5aefbb'
         '40dc34a99c9a2bc0c23a481a3468f8c9')

pkgver() {
	cd "$srcdir/${pkgname}"

	echo $(grep -oPm1 '([0-9]+\.?)+' resources/version.ini)
	pkgrel=$(grep -oP '\=\ [0-9]$' resources/version.ini|sed -e 's/\=\ //g')
}

prepare(){
	# Set Python2 path.
	mkdir -p python-path
	ln -sf /usr/bin/python2 "${srcdir}/python-path/python"
	export PATH="${srcdir}/python-path:$PATH"

	cd "$srcdir/${pkgname}"

	if [ ! -d "build" ]; then
		mkdir -p build/sandbox
		mkdir build/downloads
	fi

	msg2 "Exporting resources..."
	export UTILIKIT_CONFIG_TYPE=archlinux
	export UTILIKIT_RESOURCES="$srcdir/${pkgname}/resources"
	export UTILIKIT_DOWNLOADS_DIR="$srcdir/${pkgname}/build/downloads"
	export UTILIKIT_SANDBOX_DIR="$srcdir/${pkgname}/build/sandbox"

	if [ "${_domains_substitute}" = "1" ]; then
		python3 utilikit/export_resources.py --domain-substitute-patches "$srcdir" archlinux
	elif [ "${_domains_substitute}" = "0" ]; then
		python3 utilikit/export_resources.py "$srcdir" archlinux
	fi

	# Enable webrtc?.
	if [ "${_enable_webrtc}" = "1" ]; then
		sed -i '/enable_webrtc=false/c\enable_webrtc=true' "${srcdir}/gn_flags"
	fi

	msg2 "Preparing sources..."
	python3 utilikit/prepare_sources.py --source-cleaning-list "$srcdir/cleaning_list"

	# Domains substitute?.
	if [ "${_domains_substitute}" = "1" ]; then
		msg2 "Substituting domains..."
		python3 utilikit/substitute_domains.py
	fi

	msg2 "Applying patches..."
	if [ ! -d "build/sandbox/patches" ]; then
		ln -s "$srcdir"/patches build/sandbox/patches
		ln -s "$srcdir"/patch_order build/sandbox/patches/series
	fi

	cd build/sandbox
	quilt push -a

	# Misc Patches:
	if [ "${_enable_vaapi}" = 1 ]; then
		patch -p1 -i "${srcdir}/enable_vaapi_on_linux_${pkgver}.diff"
		patch -p1 -i "${srcdir}/specify-max-resolution_${pkgver}.patch"
	fi

	# Make it possible to remove third_party/adobe
	echo > "flapper_version.h"

	msg2 "Make sure use Python2"
	find . -name '*.py' -exec sed -r 's|/usr/bin/python$|&2|g' -i {} +
	find . -name '*.py' -exec sed -r 's|/usr/bin/env python$|&2|g' -i {} +

	msg2 "Changing bundle libraries to system ones..."

	# Remove bundled libraries for which we will use the system copies; this
	# *should* do what the remove_bundled_libraries.py script does, with the
	# added benefit of not having to list all the remaining libraries
	local _lib
	for _lib in ${!_system_libs[@]} ${_system_libs[libjpeg]+libjpeg_turbo}; do
		find -type f -path "*third_party/$_lib/*" \
		\! -path "*third_party/$_lib/chromium/*" \
		\! -path "*third_party/$_lib/google/*" \
		\! -path "*base/third_party/icu/*" \
		\! -regex '.*\.\(gn\|gni\|isolate\|py\)' \
		-delete
	done

	python2 build/linux/unbundle/replace_gn_files.py \
		--system-libraries "${!_system_libs[@]}"

	python2 third_party/libaddressinput/chromium/tools/update-strings.py
}

build() {
	local _flags=""
	readarray _flags < "${srcdir}/gn_flags"

	cd "$srcdir/${pkgname}"/build/sandbox

	python2 tools/gn/bootstrap/bootstrap.py --gn-gen-args "${_flags[*]}"

	out/Release/gn gen out/Release --args="${_flags[*]}" --script-executable=/usr/bin/python2

	ninja -C out/Release chrome chrome_sandbox chromedriver widevinecdmadapter
}

package() {
	cd "$srcdir/${pkgname}"/build/sandbox

	install -Dm755 "$srcdir/${pkgname}.sh" "$pkgdir/usr/bin/${pkgname}"

	install -D out/Release/chrome "$pkgdir/opt/${pkgname}/chrome"
	install -Dm644 out/Release/chrome.1 "$pkgdir/usr/share/man/man1/${pkgname}.1"
	install -Dm644 "$srcdir/${pkgname}.desktop" \
		"$pkgdir/usr/share/applications/${pkgname}.desktop"

    install -Dm4755 out/Release/chrome_sandbox \
		"$pkgdir/opt/${pkgname}/chrome-sandbox"

	cp -a out/Release/{*.pak,*.bin,chromedriver,libwidevinecdmadapter.so} \
    out/Release/locales \
    out/Release/gen/content/content_resources.pak \
    "$pkgdir/opt/${pkgname}/"

	ln -s "/opt/${pkgname}/chromedriver" "$pkgdir/usr/bin/chromedriver"

	# Icons
	for i in 16 22 24 32 48 64 128 256; do
		install -Dm644 "${srcdir}/${pkgname}_${i}.png" "$pkgdir/usr/share/icons/hicolor/${i}x${i}/apps/${pkgname}.png"
	done

	install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}