PKGBUILD


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# Maintainer:
# Contributor: JPratama7 <josepratama080@gmail.com>
# Contributor: Dominik Adrian Grzywak <starterx4 at gmail dot com>

# options
if [ -n "$_srcinfo" ] || [ -n "$_pkgver" ]; then
  : ${_autoupdate:=false}
else
  : ${_autoupdate:=true}
fi

# basic info
_pkgname="thorium-browser"
pkgname="$_pkgname-bin"
pkgver=124.0.6367.218
pkgrel=1
pkgdesc="Chromium fork focused on high performance and security"
url="https://github.com/Alex313031/Thorium"
license=('BSD')
arch=('x86_64')

# main package
_main_package() {
  _update_version

  depends=()
  makedepends=()

  options=('!emptydirs' '!strip')
  install="$_pkgname.install"

  _dl_url="$url/releases/download/M${_pkgver:?}"
  _dl_filename="${_pkgname}_${_pkgver:?}_SSE3.deb"
  noextract+=("$_dl_filename")

  source=("$_dl_url/$_dl_filename")
  sha256sums=('SKIP')

  pkgver() {
    echo "${_pkgver:?}"
  }
}

# common functions
prepare() {
  install -Dvm644 /dev/stdin "$_pkgname.sh" << END
#!/usr/bin/env bash

# check microprocessor architecture level
if grep -qE '\bpni\b' /proc/cpuinfo ; then
  _message=''
  _message+=\$'The fastest browser on Earth.'
else
  _message=''
  _message+=\$'Your processor does not support SSE3 instructions.\n'
  _message+=\$'thorium-browser may not work on your computer.'
fi

# Allow users to override command-line options
XDG_CONFIG_HOME=\${XDG_CONFIG_HOME:-~/.config}
_FLAGS_FILE="\$XDG_CONFIG_HOME/thorium-flags.conf"

if [[ -f "\$_FLAGS_FILE" ]]; then
  _USER_FLAGS="\$(cat "\$_FLAGS_FILE")"
fi

# display processor support message
if tty -s ; then
  echo "\$_message"
else
  [ ! -e "\$XDG_CONFIG_HOME/thorium" ] && notify-send -a "thorium-browser" -t 7500 "\$_message"
fi

# Launch
exec /opt/thorium-browser/thorium-browser \$_USER_FLAGS "\$@"
END
}

package() {
  provides=("$_pkgname")
  conflicts=("$_pkgname")

  depends+=(
    'alsa-lib'
    'at-spi2-core'
    'cairo'
    'dbus'
    'libcups'
    'libnotify' # notify-send
    'libxcomposite'
    'libxkbcommon'
    'libxrandr'
    'mesa'
    'nspr'
    'nss'
    'pango'

    ## implicit
    #expat
    #glib2
    #libdrm
    #libx11
    #libxcb
    #libxdamage
    #libxext
    #libxfixes
  )

  echo "  -> Extracting the archive..."
  bsdtar -xf "$_dl_filename" data.tar.xz
  bsdtar -xf data.tar.xz -C "$pkgdir/"
  rm data.tar.xz

  echo "  -> Moving files in place..."
  mv "$pkgdir/opt/chromium.org/thorium" "$pkgdir/opt/$_pkgname"
  unlink "$pkgdir/usr/bin/thorium-browser"
  unlink "$pkgdir/usr/bin/pak"

  # thorium-browser
  install -Dm755 "$_pkgname.sh" "$pkgdir/usr/bin/$_pkgname"
  chmod 4755 "$pkgdir/opt/$_pkgname/chrome-sandbox"

  # thorium-shell
  sed -E \
    -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
    -i "$pkgdir/usr/bin/thorium-shell"

  # thorium-browser.xml
  sed -E \
    -e "s@/opt/chromium.org/thorium/@/opt/$_pkgname/@" \
    -i "$pkgdir/usr/share/gnome-control-center/default-apps/thorium-browser.xml"

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

  install -Dm644 "$pkgdir/opt/$_pkgname/thorium_shell.png" \
    "$pkgdir/usr/share/icons/hicolor/256x256/apps/thorium-shell.png"

  # clean-up
  echo "  -> Removing Debian Cron job, duplicate product logos and menu directory..."
  rm -r -- \
    "$pkgdir/opt/chromium.org" \
    "$pkgdir/etc/cron.daily/" \
    "$pkgdir/usr/share/doc/" \
    "$pkgdir/opt/$_pkgname/cron/" \
    "$pkgdir/opt/$_pkgname"/product_logo_*.{png,xpm} \
    "$pkgdir/usr/share/menu/"
}

# update version
_update_version() {
  : ${_pkgver:=${pkgver%%.r*}}

  if [[ "${_autoupdate::1}" != "t" ]]; then
    return
  fi
  local _blacklist _response _tags _tag _pkgver_new

  _blacklist=(
    123.0.6312.134
  )
  _response=$(curl -Ssf "$url/releases.atom")
  _tags=$(
    printf '%s' "$_response" \
      | grep '/releases/tag/' \
      | sed -E 's@^.*/releases/tag/(.*)".*$@\1@' \
      | grep -Ev '[a-z]{2}'
  )
  for i in "${_blacklist[@]}"; do
    _tags=${_tags/$i/}
  done
  _tag=$(printf '%s' "$_tags" | sort -rV | head -1)
  _pkgver_new="${_tag#M}"

  # update _pkgver
  if [ "$_pkgver" != "${_pkgver_new:?}" ]; then
    _pkgver="${_pkgver_new:?}"
  fi
}

# execute
_main_package