post_install() {
  glib-compile-schemas /usr/share/glib-2.0/schemas
  gtk-update-icon-cache -q /usr/share/icons/hicolor
}

post_upgrade() {
  glib-compile-schemas /usr/share/glib-2.0/schemas
  gtk-update-icon-cache -q /usr/share/icons/hicolor
}

post_remove() {
  glib-compile-schemas /usr/share/glib-2.0/schemas
  gtk-update-icon-cache -q /usr/share/icons/hicolor
}