post_install() {
  gtk-update-icon-cache /usr/share/icons/hicolor
  update-desktop-database -q
  update-mime-database usr/share/mime > /dev/null 2>&1
  printf '==> The polkit-gnome agent is no longer autostarted by default\n'
  printf '    except in GNOME Flashback.\n'
  printf '    For Xfce, LXDE etc., 'lxsession' is the suggested lightweight alternative.\n'
  printf '    See https://wiki.archlinux.org/index.php/Polkit#Authentication_agents\n'
  printf '    for more details.\n'
}

post_upgrade() {
  post_install
}

post_remove() {
  post_install
}