PKGBUILD

# Maintainer: Sebastien Duthil <duthils@free.fr>

pkgname=factorio
pkgver=0.12.35
pkgrel=2
pkgdesc="A 2D game about building and maintaining factories."
arch=('i686' 'x86_64')
url="http://www.factorio.com/"
license=('custom: commercial')
conflicts=('factorio-demo')
depends=('libxcursor' 'alsa-lib' 'libxrandr' 'libxinerama' 'mesa')
source=(factorio.desktop
        LICENSE)
sha256sums=('5f62aa7763f9ad367a051371bc16f3c174022bb3380eb221ba06bac395bf9815'
            '67ec2f88afff5d7e0ca5fd3301b5d98655269c161a394368fa0ec49fbc0c0e21')
if test "$CARCH" == i686; then
  __factorio_arch=i386
elif test "$CARCH" == x86_64; then
  __factorio_arch=x64
fi
_gamepkg=factorio_alpha_${__factorio_arch}_$pkgver.tar.gz
_url=https://www.factorio.com/get-download/${pkgver}/alpha/linux64

build() {
  local pkgpaths_tries=(
    "$startdir"
    "$srcdir"
    "${XDG_DOWNLOAD_DIR:-$HOME/Downloads}"
  )
  [[ $SRCDEST != $startdir ]] && pkgpath_tries+=("$SRCDEST")

  msg "You need a full copy of this game in order to install it"

  # look for game tarball
  for pkgpath_try in "${pkgpaths_tries[@]}" ; do
    msg "Searching for ${_gamepkg} in dir: \"${pkgpath_try}\""
    if [[ -f "${pkgpath_try}/${_gamepkg}" ]]; then
      pkgpath=${pkgpath_try}
      break
    fi
  done

  # not found: download via user-supplied credentials
  if [[ ! -f "${pkgpath}/${_gamepkg}" ]]; then
    read -s -n1 -p "Do you want to use your factorio credentials to download the game ? (y/N)" ; echo

    if [[ $REPLY == y ]]; then
      _download && pkgpath=$srcdir || true
    fi
  fi

  # not found: ask for path to game tarball
  if [[ ! -f "${pkgpath}/${_gamepkg}" ]]; then
    error "Game package not found, please type absolute path to ${_gamepkg} (/home/joe):"
    read pkgpath
    if [[ ! -f "${pkgpath}/${_gamepkg}" ]]; then
        error "Unable to find game package."
        return 1
    fi
  fi

  # unpack game tarball
  msg "Found game package, unpacking..."
  tar xzf "${pkgpath}/${_gamepkg}" -C "${srcdir}"
}

# no modifications needed, the executable looks for:
# - data in /usr/share/factorio
# - config in ~/.factorio

package() {
  cd "$srcdir/factorio"

  install -d "${pkgdir}/usr/bin"
  install -d "${pkgdir}/usr/share/applications"
  install -g games -m 775 -d "${pkgdir}/usr/share/factorio"
  install -d "${pkgdir}/usr/share/licenses/factorio"

  install -m755 "bin/${__factorio_arch}/factorio" "$pkgdir/usr/bin/factorio"
  cp -r data/* "$pkgdir/usr/share/factorio"
  install -m644 "${srcdir}/factorio.desktop" "${pkgdir}/usr/share/applications/factorio.desktop"
  install -m644 "${srcdir}/LICENSE" "${pkgdir}/usr/share/licenses/factorio/LICENSE"
}

_download() {
  local cookie=$(mktemp)
  local ret=1

  while true; do
    local login
    local password
    local file="${srcdir}/${_gamepkg}"

    read -p "Username or email: " login
    [[ -n $login ]] && read -sp "Password: " password ; echo

    if [[ -n $login && -n $password ]]; then
      msg "Logging in..."

      if curl -D - -o /dev/null -s -f -c "$cookie" https://www.factorio.com/login -d username-or-email="$login" -d password="$password" | grep -q '^Location: /'; then
        msg2 "Logged in"
        msg "Downloading ${_gamepkg} from $_url ..."
        curl -f -b "$cookie" -L -o "${file}.part" "$_url" || rm -f "${file}.part"

        if [[ -f "${file}.part" ]]; then
          ret=0
          msg2 "Download successful"
          mv "${file}"{.part,}
        else
          error "Download failed"
        fi
        break
      else
        error "Login failed"
        read -s -n1 -p "Try again? (y/N)" ; echo
        [[ $REPLY != y ]] && break
      fi
    else
      break
    fi
  done

  rm $cookie
  return $ret
}