ACC SHELL

#!/bin/bash
# script inspired by debian's

# usage: vol_id <device> <fs_type>
# <device> may be any device that should be checked.
# if no <fs_type> is given, the check fails if no valid filesystem is found.
# if <fs_type> is given, the check fails when no filesystem type <fs_type>
# is found on the device. if <fs_type> is 'none', the check fails if any
# know filesystem is found.

dev="$1"
fs="$2"

str=`/sbin/blkid -c /dev/null -w /dev/null -s TYPE -o value "$dev" 2>&1`
if [ "$?" -ne 0 ]; then
	if [ "$str" = "$dev: unknown volume type" -a "$fs" = 'none' ]; then
		exit 0
	fi
	echo " - error determining file system for device $dev " >&2
	exit 1
else
	if [ -z "$fs" -o "$fs" = "$str" ]; then
		exit 0
	fi
	echo " - the device $dev contains file system '$str', expected '$fs'" >&2
	exit 1
fi