post_install() {
  if [ -x $(which gtk-update-icon-cache) ]; then
    gtk-update-icon-cache -q -t -f usr/share/icons/LoginIcons/
    gtk-update-icon-cache -q -t -f usr/share/icons/ubuntu-mono-dark/
    gtk-update-icon-cache -q -t -f usr/share/icons/ubuntu-mono-light/
  fi
}

post_upgrade() {
  post_install
}

post_remove() {
  post_install
}