From 93b02f502e81bf41b7f77b546e3358521b08cd43 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Thu, 22 Aug 2013 10:52:49 +0200
Subject: [PATCH] dracut-functions.sh: use builtin bash functions rather than
 tr

convert uppercase to lowercase using bash syntax
---
 dracut-functions.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dracut-functions.sh b/dracut-functions.sh
index 6c7e693..87b9769 100755
--- a/dracut-functions.sh
+++ b/dracut-functions.sh
@@ -332,12 +332,12 @@ expand_persistent_dev() {
             ;;
         UUID=*)
             _dev="${_dev#UUID=}"
-            _dev="$(tr "[:upper:]" "[:lower:]" <<< "$_dev" )"
+            _dev="${_dev,,}"
             _dev="/dev/disk/by-uuid/${_dev}"
             ;;
         PARTUUID=*)
             _dev="${_dev#PARTUUID=}"
-            _dev="$(tr "[:upper:]" "[:lower:]"  <<< "$_dev" )"
+            _dev="${_dev,,}"
             _dev="/dev/disk/by-partuuid/${_dev}"
             ;;
         PARTLABEL=*)