post_install() {
  echo "Updating font cache... "
  fc-cache -f > /dev/null
  mkfontscale /usr/share/fonts/TTF
  mkfontdir /usr/share/fonts/TTF
  echo "                   ...done."
}

post_upgrade() {
  post_install $1
}

post_remove() {
  post_install $1
}