post_install() {
  echo -n "Updating font cache... "
  fc-cache -s
  xset fp+ /usr/share/fonts/mplus
  xset fp rehash
  echo "done."
}

post_upgrade() {
  post_install $1
}

post_remove() {
  fc-cache -s
  xset fp- /usr/share/fonts/mplus
  xset fp rehash 
}