post_install() {
  echo "Updating mime database..."
  update-mime-database /usr/share/mime &> /dev/null
  echo "Updating desktop mime database..."
  update-desktop-database /usr/share/applications &> /dev/null
  echo "Updating icon cache..."
  xdg-icon-resource forceupdate --theme hicolor &> /dev/null
}

post_upgrade() {
  post_install $1
}

post_remove() {
  post_install $1
}

op=$1
shift

$op $*