post_install() {
  echo "  OpenXcom requires the original X-COM resources."
  echo "  You need the following subfolders from the original game:"
  echo "      GEODATA, GEOGRAPH, MAPS, ROUTES, SOUND, TERRAIN, UFOGRAPH, UFOINTRO, UNITS"
  echo "  Copy those subfolders to one of the following locations:"
  echo "      - /usr/share/openxcom/UFO"
  echo "      - <user home folder>/.local/share/openxcom/UFO"
}