pre_upgrade() {
  if [ $(vercmp $2 1:2025.3.0-1 ) -le 0 ]; then
    echo '==> home-assistant systemd service will be changed to static user'
    echo '==> files from /var/lib/private/hass/ will be moved to /var/lib/hass/'
    if [[ -L /var/lib/hass ]] && [[ -d /var/lib/private/hass ]] ; then
      unlink /var/lib/hass
      mv /var/lib/private/hass /var/lib/hass
      chown -R hass: /var/lib/hass
    fi
  fi
}