post_upgrade() {
  gtk-update-icon-cache -q -t -f usr/share/icons/hicolor
  update-desktop-database -q
  update-mime-database usr/share/mime &> /dev/null
}

post_install() {
  echo "You should at least install one of kcm-fcitx (For Qt/KDE users) or fcitx-configtool (For GTK+ users) to enable Fcitx configuration GUI."
  post_upgrade
}

post_remove() {
  post_upgrade
}