post_install() {
  gtk-update-icon-cache -q -t -f usr/share/icons/hicolor
  echo 'Read the FAQ if migrating from XChat - https://github.com/hexchat/hexchat/blob/master/share/doc/faq.md'
}

post_upgrade() {
  gtk-update-icon-cache -q -t -f usr/share/icons/hicolor
}