#!/bin/bash

if [ ! "$(id -u)" = "0" ]
then
  echo "bee root"
  exit
fi

find_root () {
  mounts=$(fdisk -l | grep ^/.*Linux$ | awk '{ print $1 }')

  for i in $mounts
  do
    mount $i /mnt
    if [ -d /mnt/boot ]
    then
    ROOT=$i
    break
    fi
    umount /mnt
  done
}

find_root

if [ -e $ROOT ]
then
  grub-install --root-directory=/mnt ${ROOT:0:8}
  umount /mnt
fi