X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Flive-helpers;h=59bdb4fd673c9dc4c4d631b159af394ee5448915;hb=1d4bcbf8290ed36a03725ac898ea826f0b33e668;hp=70897d6a047b0897ac26ee764ad87a2c8ff8a4bb;hpb=9683c4f087985d070ef8b77bdc1e284b55134490;p=live-boot-grml.git

diff --git a/scripts/live-helpers b/scripts/live-helpers
index 70897d6..59bdb4f 100644
--- a/scripts/live-helpers
+++ b/scripts/live-helpers
@@ -6,10 +6,19 @@ then
 	export PATH="${PATH}:/usr/lib/klibc/bin"
 fi
 
+# handle upgrade path from old udev (using udevinfo) to
+# recent versions of udev (using udevadm info)
+if [ -x /sbin/udevadm ]
+then
+	udevinfo='/sbin/udevadm info'
+else
+	udevinfo='udevinfo'
+fi
+
 sys2dev ()
 {
 	sysdev=${1#/sys}
-	echo "/dev/$(udevinfo -q name -p ${sysdev} 2>/dev/null|| echo ${sysdev##*/})"
+	echo "/dev/$($udevinfo -q name -p ${sysdev} 2>/dev/null|| echo ${sysdev##*/})"
 }
 
 subdevices ()