42_grml

   1 #!/bin/sh
   2 # Filename:      42_grml
   3 # Purpose:       grub-mkconfig helper script for Grml rescue systems
   4 # Authors:       grml-team (grml.org), (c) Andreas Gredler <jimmy@grml.org>, Michael Prokop <mika@grml.org>
   5 # Bug-Reports:   see http://grml.org/bugs/
   6 # License:       This file is licensed under the GPL v2+.
   7 ################################################################################
   8
   9 set -e
  10
  11 prefix=/usr
  12 exec_prefix=${prefix}
  13 bindir=${exec_prefix}/bin
  14 libdir=${exec_prefix}/lib
  15 . ${libdir}/grub/grub-mkconfig_lib
  16
  17 # default unless configured otherwise:
  18 ISO_LOCATION="/boot/grml"
  19
  20 if [ -r /etc/default/grml-rescueboot ] ; then
  21   . /etc/default/grml-rescueboot
  22 fi
  23
  24 iso_list=""
  25 for file in "${ISO_LOCATION}"/*.iso ; do
  26      if grub_file_is_not_garbage "$file" ; then
  27        iso_list="$iso_list $file "
  28      fi
  29 done
  30
  31 for grmliso in $iso_list ; do
  32   rel_dirname="$(make_system_path_relative_to_its_root $(dirname $grmliso))"
  33   grml="$(basename $grmliso)"
  34   device="$(${grub_probe} -t device ${grmliso})"
  35
  36   additional_param=""
  37
  38   case "$device" in
  39       /dev/mapper*|/dev/md*)
  40       additional_param="live-media=$device"
  41       ;;
  42   esac
  43
  44   echo "Found Grml ISO image: $grmliso" >&2
  45   title="Grml Rescue System ($grml)"
  46
  47   cat << EOF
  48 menuentry "${title}" {
  49 $(prepare_grub_to_access_device "$device" | sed -e "s/^/        /")
  50         iso_path="${rel_dirname}/${grml}"
  51         export iso_path
  52         kernelopts="$CUSTOM_BOOTOPTIONS $additional_param"
  53         export kernelopts
  54         loopback loop "${rel_dirname}/$grml"
  55         set root=(loop)
  56         configfile /boot/grub/loopback.cfg
  57 }
  58 EOF
  59 done
  60
  61 ## END OF FILE #################################################################