post_install() {
	update-desktop-database -q
	xdg-icon-resource forceupdate --theme hicolor
}

pre_upgrade() {
  pre_remove $1
}

post_upgrade() {
  post_install $1
}

pre_remove() {
  true
}

post_remove() {
  update-desktop-database -q
  gtk-update-icon-cache usr/share/icons/hicolor
}