use /proc/mounts for better checking

[home.git] / .bin / umount-tree

#!/bin/bash

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

while [[ $# -gt 0 ]] ; do

root=$1
shift

mounts=$(gawk -v p="${root%/}" '$2 ~ "^"p { print $2 }' /proc/mounts | tac)
if [[ -z ${mounts} ]] ; then
	echo "No mounts found ..."
	echo
	mount
	continue
fi

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

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

done