mk-unmount-disk.sh

#!/bin/bash
#################################################
#       Title:  mk-unmount-disk                 #
#        Date:  2014-11-26                      #
#     Version:  1.0                             #
#      Author:  mbassiouny@vmware.com           #
#     Options:                                  #
#################################################
#	Overview
#		This unmount the mounted directories after installing photon
#	End
#
set -o errexit		# exit if error...insurance ;
set -o nounset		# exit if variable not initalized
set +h			# disable hashall
source config.inc
source function.inc
PRGNAME=${0##*/}	# script name minus the path
LOGFILE=/var/log/"${PRGNAME}-${LOGFILE}"	#	set log file name
#LOGFILE=/dev/null		#	uncomment to disable log file
[ ${EUID} -eq 0 ] 	|| fail "${PRGNAME}: Need to be root user: FAILURE"
[ -z ${PARENT} ]	&& fail "${PRGNAME}: PARENT not set: FAILURE"
[ -z ${BUILDROOT} ]		&& fail "${PRGNAME}: BUILDROOT not set: FAILURE"
if mountpoint ${BUILDROOT}/run	>/dev/null 2>&1; then umount ${BUILDROOT}/run; fi
if mountpoint ${BUILDROOT}/sys	>/dev/null 2>&1; then umount ${BUILDROOT}/sys; fi
if mountpoint ${BUILDROOT}/proc	>/dev/null 2>&1; then umount ${BUILDROOT}/proc; fi
if mountpoint ${BUILDROOT}/dev/pts	>/dev/null 2>&1; then umount ${BUILDROOT}/dev/pts; fi
if mountpoint ${BUILDROOT}/dev	>/dev/null 2>&1; then umount ${BUILDROOT}/dev; fi

if mountpoint ${BUILDROOT}	>/dev/null 2>&1; then umount ${BUILDROOT}; fi
exit 0