grub

  case ${BOOT} in
    chain)

          onstr="$(gettext_printf "(on %s)" "${DEVICE}")"
      cat << EOF
menuentry '$(echo "${LONGNAME} $onstr" | grub_quote)' --class windows --class os \$menuentry_id_option 'osprober-chain-$(grub_get_device_id "${DEVICE}")' {
EOF
      save_default_entry | grub_add_tab
      prepare_grub_to_access_device ${DEVICE} | grub_add_tab

      case ${LONGNAME} in
        Windows\ Vista*|Windows\ 7*|Windows\ Server\ 2008*)
        ;;
        *)
          cat << EOF
        drivemap -s (hd0) \${root}
EOF
        ;;
      esac

      cat <<EOF
        chainloader +1
}