1. post_install() {
  2.     gtk-update-icon-cache -q -t -f usr/share/icons/hicolor
  3.     usr/bin/glib-compile-schemas usr/share/glib-2.0/schemas
  4. }
  5.  
  6. post_upgrade(){
  7.     post_install
  8. }
  9.  
  10. post_remove() {
  11.     post_install
  12. }
  13.