post_install() {
  gtk-update-icon-cache /usr/share/icons/hicolor > /dev/null 2>&1
  update-mime-database /usr/share/mime > /dev/null 2>&1
  update-desktop-database -q
}

post_upgrade() {
  post_install $1
}

post_remove() {
  post_install $1
}

op=$1
shift

$op $*