From b0a310486d7bd4af95c3b54ddce582790f9c87c6 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 12 Jun 2012 10:17:00 -0400
Subject: [PATCH] use /proc/mounts for better checking

---
 .bin/umount-tree | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/.bin/umount-tree b/.bin/umount-tree
index bcf866f..340b61a 100755
--- a/.bin/umount-tree
+++ b/.bin/umount-tree
@@ -1,17 +1,21 @@
 #!/bin/bash
 
-root=$1
 if [[ -z $1 ]] ; then
 	echo "Usage: $0 <root>"
 	exit 1
 fi
 
-mounts=$(mount | grep " on ${root%/}/" | awk '{print $3}' | tac)
+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
-	exit 0
+	continue
 fi
 
 echo "Unmounting: "
@@ -20,3 +24,5 @@ printf '\t%s\n' ${mounts}
 printf "OK? [y/N] "
 read v
 [[ ${v} == "y" ]] && sudo umount -v ${mounts}
+
+done
-- 
2.39.5