debian/patches/grub-legacy-0-based-partitions.patch

   1 From 6385ffa66da8d9c0134b62635bfb5256f9384cdb Mon Sep 17 00:00:00 2001
   2 From: Robert Millan <rmh@aybabtu.com>
   3 Date: Mon, 13 Jan 2014 12:12:53 +0000
   4 Subject: Support running grub-probe in grub-legacy's update-grub
   5
   6 Author: Colin Watson <cjwatson@debian.org>
   7 Forwarded: not-needed
   8 Last-Update: 2013-12-25
   9
  10 Patch-Name: grub-legacy-0-based-partitions.patch
  11 ---
  12  util/getroot.c | 14 ++++++++++++++
  13  1 file changed, 14 insertions(+)
  14
  15 diff --git a/util/getroot.c b/util/getroot.c
  16 index 847406fba..cdd41153c 100644
  17 --- a/util/getroot.c
  18 +++ b/util/getroot.c
  19 @@ -245,6 +245,20 @@ find_partition (grub_disk_t dsk __attribute__ ((unused)),
  20
  21    if (ctx->start == part_start)
  22      {
  23 +      /* This is dreadfully hardcoded, but there's a limit to what GRUB
  24 +         Legacy was able to deal with anyway.  */
  25 +      if (getenv ("GRUB_LEGACY_0_BASED_PARTITIONS"))
  26 +       {
  27 +         if (partition->parent)
  28 +           /* Probably a BSD slice.  */
  29 +           ctx->partname = xasprintf ("%d,%d", partition->parent->number,
  30 +                                      partition->number + 1);
  31 +         else
  32 +           ctx->partname = xasprintf ("%d", partition->number);
  33 +
  34 +         return 1;
  35 +       }
  36 +
  37        ctx->partname = grub_partition_get_name (partition);
  38        return 1;
  39      }