fltk-stable/fltk.install

   1 post_install() {
   2   xdg-icon-resource forceupdate --theme hicolor &> /dev/null
   3   update-desktop-database -q
   4 }
   5
   6 post_upgrade() {
   7   post_install
   8 }
   9
  10 post_remove() {
  11   post_install
  12 }