Applying patch from Michael Prokop <mika@grml.org> to support udev >= 0.140.

[live-boot-grml.git] / scripts / live-helpers

diff --git a/scripts/live-helpers b/scripts/live-helpers
index 70897d6..59bdb4f 100644 (file)
--- 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 ()