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Update the GPT partition UUID in the GRUB configuration when using EFI images of OpenWrt.
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| opkg update | |
| opkg install lsblk | |
| BOOT="$(sed -n -e "/\s\/boot\s.*$/{s///p;q}" /etc/mtab)" | |
| DISK="${BOOT%%[0-9]*}" | |
| PART="$((${BOOT##*[^0-9]}+1))" | |
| ROOT="${DISK}${PART}" | |
| UUID="$(lsblk -n -o PARTUUID ${ROOT})" | |
| sed -i -r -e "s|(PARTUUID=)\S+|\1${UUID}|g" /boot/grub/grub.cfg |
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