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