meta-rpi-diya/recipes-diya/diya-overlay/files/boot-to-recovery

#! /bin/sh

if [[ $(/usr/bin/id -u) -ne 0 ]]; then
    echo "$0 shall be run as root"
    exit 1
fi

. /etc/profile

# prepare env for recovery boot
cat << EOF > /boot/extraconfig.txt
initramfs recovery-$MACHINE.cpio.gz followkernel
EOF
echo "Rebooting to recovery mode"
reboot