#!/bin/bash

root=$1
if [[ -z $1 ]] ; then
	echo "Usage: $0 <root>"
	exit 1
fi

mounts=$(mount | grep " on ${root%/}/" | awk '{print $3}' | tac)
if [[ -z ${mounts} ]] ; then
	echo "No mounts found ..."
	echo
	mount
	exit 0
fi

echo "Unmounting: "
printf '\t%s\n' ${mounts}

printf "OK? [y/N] "
read v
[[ ${v} == "y" ]] && sudo umount -v ${mounts}