post_install() {
  xdg-icon-resource forceupdate
}

post_upgrade() {
  post_install $1

  if [ "$(vercmp 0.4.5.333-1 "$2")" -eq 1 ]; then
    gdk-pixbuf-query-loaders --update-cache
  fi
}

post_remove() {
  post_install $1
}