Bug#568084: corrected Version of previous try, 2nd Post

[nutzteil at web.de]

(onesmore because Provider-Webmailer destroyed the format)

>(Now there is grub-pc 1.98+20100804-2 in squeeze.) Corrected Version of my previous try: 
---------------------------------------------------------------------------------
--- 10_linux	2010-07-12 13:10:04.000000000 +0200
+++ 10_linux_+label	2010-08-18 09:17:33.816200799 +0200
@@ -49,6 +49,12 @@
 LINUX_ROOT_DEVICE=${GRUB_DEVICE}
 else
 LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
+  GRUB_DEVICE_LABEL="$(blkid -l -t UUID=${GRUB_DEVICE_UUID} -s LABEL -o value)"
+  . /etc/default/grub
+    if [ "x${GRUB_ENABLE_LINUX_LABEL}" = "xtrue" ] \
+    && test -e "/dev/disk/by-label/${GRUB_DEVICE_LABEL}" ; then
+      LINUX_ROOT_DEVICE=LABEL=${GRUB_DEVICE_LABEL}
+    fi
 fi
 
 linux_entry ()
---------------------------------------------------------------------------------
 - it moved after the setting of LINUX_ROOT_DEVICE=UUID=...., the previous was not correct.
 - it sources /etc/default/grub for reading the Value of my Variable GRUB_ENABLE_LINUX_LABEL,
 because that is no Variable in /usr/sbin/update-grub (maybe it will be?). 

Also 20_linux_xen can be patched with this.


Activation in /etc/default/grub with:
#GRUB_DISABLE_LINUX_UUID=true (not disable the LINUX_UUID!)
GRUB_ENABLE_LINUX_LABEL=true
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