#!/bin/bash

# Search for grub.cfg
#GRUB_CFG=$(find /boot -name grub.cfg 2> /dev/null)
GRUB_CFG="/boot/grub/grub.cfg"

if [[ -z ${GRUB_CFG} ]]; then
    echo "No grub.cfg found under /boot. Try as root."
    exit 1
elif [[ ! -r ${GRUB_CFG} ]]; then
    echo "${GRUB_CFG} is not readable. Try as root."
    exit 1
fi

GRUB_MENUENTRY=$(awk -F\' '/menuentry / {print $2}' ${GRUB_CFG} | fzf)

# Set boot target for next boot
grub-reboot "${GRUB_MENUENTRY}"

systemctl reboot