-#! /bin/sh -e
+#!/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.
+# License: This file is licensed under the GPL v2+.
################################################################################
+set -e
+
prefix=/usr
exec_prefix=${prefix}
bindir=${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 $list ; do
+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 ${grmliso})"
+
+ additional_param=""
+
+ case "$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 "${title}" {
- iso_path=${rel_dirname}/$grml
- export iso_path
- loopback loop \$iso_path
- set root=(loop)
- configfile /boot/grub/loopback.cfg
- }
+menuentry "${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