#!/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=${prefix}
bindir=${exec_prefix}/bin
libdir=${exec_prefix}/lib
. ${libdir}/grub/grub-mkconfig_lib

# default unless configured otherwise:
ISO_LOCATION="/boot/grml"

if [ -r /etc/default/grml-rescueboot ] ; then
  . /etc/default/grml-rescueboot
fi

list=$(for i in "${ISO_LOCATION}"/*.iso ; do
         if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
       done)

for grmliso in $list ; do
  rel_dirname="$(make_system_path_relative_to_its_root $(dirname $grmliso))"
  grml="$(basename $grmliso)"

  echo "Found Grml ISO image: $grmliso" >&2
  title="Grml Rescue System ($grml)"

  cat << EOF
menuentry "${title}" {
$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/        /")
        iso_path="${rel_dirname}/$grml $CUSTOM_BOOTOPTIONS"
        export iso_path
        loopback loop "${rel_dirname}/$grml"
        set root=(loop)
        configfile /boot/grub/loopback.cfg
}
EOF
done

## END OF FILE #################################################################