post_install() {
  # No use of systemd-tmpfiles or uuidd (use number instead) here because
  # the package dependency would create a circular dep to systemd and filesystem.
  if [ ! -d run/uuidd ]; then
    install -o 68 -g 68 -dm755 run/uuidd
  fi
}

post_upgrade() {
  post_install
}