Add support for raid devices

[grml-rescueboot.git] / 42_grml

diff --git a/42_grml b/42_grml
index 4beb923..c7b2016 100755 (executable)
--- a/42_grml
+++ b/42_grml
@@ -1,20 +1,12 @@
-#! /bin/sh -e
-
-# grub-mkconfig helper script.
-# Copyright (C) 2006,2007,2008,2009,2010  Free Software Foundation, Inc.
-#
-# GRUB is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# GRUB is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+#!/bin/sh
+# Filename:      42_grml
+# Purpose:       grub-mkconfig helper script for Grml rescue systems
+# Authors:       grml-team (grml.org), (c) Andreas Gredler <jimmy@grml.org>, Michael Prokop <mika@grml.org>
+# Bug-Reports:   see http://grml.org/bugs/
+# License:       This file is licensed under the GPL v2+.
+################################################################################
+
+set -e
 
 prefix=/usr
 exec_prefix=${prefix}
@@ -22,22 +14,48 @@ bindir=${exec_prefix}/bin
 libdir=${exec_prefix}/lib
 . ${libdir}/grub/grub-mkconfig_lib
 
-list=`for i in /boot/grml/*.iso ; do
-        if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
-      done`
+# default unless configured otherwise:
+ISO_LOCATION="/boot/grml"
+
+if [ -r /etc/default/grml-rescueboot ] ; then
+  . /etc/default/grml-rescueboot
+fi
+
+iso_list=""
+for file in "${ISO_LOCATION}"/*.iso ; do
+     if grub_file_is_not_garbage "$file" ; then
+       iso_list="$iso_list $file "
+     fi
+done
+
+for grmliso in $iso_list ; do
+  rel_dirname="$(make_system_path_relative_to_its_root $(dirname $grmliso))"
+  grml="$(basename $grmliso)"
+  device="$(${grub_probe} -t device ${grmliso})"
+
+  additional_param=""
 
-for grmliso in $list ; do
-  echo "Found grml iso image: $grmliso" >&2
-  grml=`basename $grmliso`
+  case "$device" in
+      /dev/mapper*|/dev/md*)
+      additional_param="live-media=$device"
+      ;;
+  esac
+
+  echo "Found Grml ISO image: $grmliso" >&2
   title="Grml Rescue System ($grml)"
 
   cat << EOF
-    menuentry "${title}" {
-    iso_path=$grmliso
-    export iso_path 
-    loopback loop $grmliso
-    set root=(loop)
-    configfile /boot/grub/loopback.cfg
-    }
+menuentry "${title}" {
+$(prepare_grub_to_access_device "$device" | sed -e "s/^/        /")
+        iso_path="${rel_dirname}/${grml}"
+        export iso_path
+        kernelopts="$CUSTOM_BOOTOPTIONS $additional_param"
+        export kernelopts
+        loopback loop "${rel_dirname}/$grml"
+        set root=(loop)
+        configfile /boot/grub/loopback.cfg
+}
 EOF
 done
+
+## END OF FILE #################################################################