Updating losetup-lukshome example hook to use blkid where available, thanks to Clint Adams <clint@gnu.org> (Closes: #607108).

examples/hooks/all_chroot_losetup-lukshome.sh

@@ -333,27 +333,7 @@ do
 	esac
 done
 
-# search for a partition labeled "lukshome" or $LUKSPART
-for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram | grep -v fd)
-do
-	for dev in $(subdevices "${sysblock}")
-	do
-		devname=$(sys2dev "${dev}")
-		# find partition name and filesystem type
-		if [ "$(/lib/udev/vol_id -l ${devname} 2>/dev/null)" = "${LUKSPART}" ]
-		then
-			# found one partition with correct label
-			CRYPTHOME="${devname}"
-			# don't search further
-			break
-		fi
-	done
-	# if already found, don't search further
-	if [ -n "${CRYPTHOME}" ]
-	then
-		break
-	fi
-done
+CRYPTHOME=$(/sbin/blkid -L ${LUKSPART})
 
 # if no partition found, exit
 if [ -z "${CRYPTHOME}" ]