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Re: [Libguestfs] [PATCH] check for grub/menu.lst too



On Tue, Feb 23, 2010 at 08:07:14PM +0100, Guido Günther wrote:
> On Tue, Feb 23, 2010 at 07:52:43PM +0100, Guido Günther wrote:
> > Hi,
> > attached patch makes virt-inspector find the kernels on Debian systems.
> > Since there is no /etc/grub.conf it falls back to
> > $grubpartition/grub/menu.lst.
> Patch got somehow broken. New version fortchcoming. Sorry for the noise.
Attached now. No idea where the 'if' went in the first version ;)
 -- Guido
>From d30b4946f017ff8bde9d4ff62f93c418a707d9e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Guido=20G=C3=BCnther?= <agx sigxcpu org>
Date: Tue, 23 Feb 2010 19:50:40 +0100
Subject: [PATCH] Check for grub/menu.lst if /etc/grub.conf can't be found

---
 perl/lib/Sys/Guestfs/Lib.pm |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/perl/lib/Sys/Guestfs/Lib.pm b/perl/lib/Sys/Guestfs/Lib.pm
index e17728d..2864bfa 100644
--- a/perl/lib/Sys/Guestfs/Lib.pm
+++ b/perl/lib/Sys/Guestfs/Lib.pm
@@ -1525,6 +1525,12 @@ sub _check_for_kernels
         # For every kernel we find, inspect it and add to $os->{kernels}
 
         my $grub = _find_grub_prefix($g, $os);
+        my $grub_conf = "/etc/grub.conf";
+
+        # Debian and other's have no /etc/grub.conf:
+        if ( ! -f "$grub_conf" ) {
+            $grub_conf = "$grub/grub/menu.lst";
+        }
 
         my @boot_configs;
 
@@ -1544,7 +1550,7 @@ sub _check_for_kernels
         my @configs = ();
         # Get all configurations from grub
         foreach my $bootable
-            ($g->aug_match("/files/etc/grub.conf/title"))
+            ($g->aug_match("/files/$grub_conf/title"))
         {
             my %config = ();
             $config{title} = $g->aug_get($bootable);
@@ -1617,7 +1623,7 @@ sub _check_for_kernels
 
         # Add the default configuration
         eval {
-            $boot{default} = $g->aug_get("/files/etc/grub.conf/default");
+            $boot{default} = $g->aug_get("/files/$grub_conf/default");
         };
         if($@) {
             warn __"No grub default specified";
-- 
1.7.0


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