Accepting request 76157 from devel:openSUSE:Factory

Only run preun when deinstalling package (forwarded request 76120 from a_jaeger)

OBS-URL: https://build.opensuse.org/request/show/76157
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/grub2?expand=0&rev=16

README.openSUSE

@@ -46,3 +46,31 @@ Support channels
 If you find a bug in this package, report them to the openSUSE Bugzilla [2].
 
 [2] http://bugzilla.novell.com/
+
+Installation
+------------
+
+There is not yet any support in openSUSE to configure and install
+grub2. To install it for the first time, run (replace /dev/sdaX with
+your boot partition or use /dev/sda for the MBR):
+
+# grub2-install --no-floppy /dev/sdaX
+# grub2-mkconfig -o /boot/grub2/grub.cfg
+
+To just update the configuration after the kernel changes, run
+# grub2-mkconfig -o /boot/grub2/grub.cfg
+
+For testing, you might want to pass --grub-setup=/bin/true to
+grub2-install - this way, grub2 is not setup in the MBR and you can
+use grub to chainload a grub2 configuration.
+
+In the grub menu.lst, just add (after changing the hd0,1 parameter):
+title GNU GRUB 2 -- openSUSE 12.1 - GNU GRUB 2
+    kernel (hd0,1)/boot/grub2/core.img
+
+Warning
+-------
+Currently, perl-Bootloader does not support grub2 as bootloader.
+
+Therefore you need to run the following after each kernel change:
+# grub2-mkconfig -o /boot/grub2/grub.cfg