vos-recovery

vos-recovery.sh

#!/bin/bash

mkdir -p /mnt/boot /mnt/init

mount LABEL=vos-init /mnt/init
mount LABEL=vos-boot /mnt/boot

first_line=$(head -n 1 /mnt/boot/grub/grub.cfg)

if echo "$first_line" | grep -q "set default=0"; then
    X="a"
elif echo "$first_line" | grep -q "set default=1"; then
    X="b"
else
    echo "Error: Unexpected content in grub.cfg"
    exit 1
fi

echo "your GRUB is in: /mnt/init/vos-$X/abroot.cfg"