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From ae6b104218c594b928fe5f938547b8388756e92e Mon Sep 17 00:00:00 2001
From: Robert Millan <rmh@aybabtu.com>
Date: Mon, 13 Jan 2014 12:12:53 +0000
Subject: Support running grub-probe in grub-legacy's update-grub
Author: Colin Watson <cjwatson@debian.org>
Forwarded: not-needed
Last-Update: 2013-12-25
Patch-Name: grub_legacy_0_based_partitions.patch
---
util/getroot.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/util/getroot.c b/util/getroot.c
index 92c0d709b..f874be8a9 100644
--- a/util/getroot.c
+++ b/util/getroot.c
@@ -245,6 +245,20 @@ find_partition (grub_disk_t dsk __attribute__ ((unused)),
if (ctx->start == part_start)
{
+ /* This is dreadfully hardcoded, but there's a limit to what GRUB
+ Legacy was able to deal with anyway. */
+ if (getenv ("GRUB_LEGACY_0_BASED_PARTITIONS"))
+ {
+ if (partition->parent)
+ /* Probably a BSD slice. */
+ ctx->partname = xasprintf ("%d,%d", partition->parent->number,
+ partition->number + 1);
+ else
+ ctx->partname = xasprintf ("%d", partition->number);
+
+ return 1;
+ }
+
ctx->partname = grub_partition_get_name (partition);
return 1;
}
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