post_install() {
#  xdg-mime install --novendor usr/share/anki/anki.xml
#  xdg-mime default anki.desktop application/x-anki
#  xdg-mime default anki.desktop application/x-apkg
  [ -x usr/bin/update-desktop-database ] && update-desktop-database -q
}

post_upgrade() {
  post_install
}
