#! /bin/sh -e

# update-grub helper script.
# Copyright (C) 2006,2007,2008  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/>.

prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
platform=@platform@

. ${libdir}/grub/update-grub_lib

# Do this as early as possible, since other commands might depend on it.
# (e.g. the `font' command might need lvm or raid modules)
for i in ${GRUB_PRELOAD_MODULES} ; do
  echo "insmod $i"
done

if [ "x${GRUB_DEFAULT}" = "x" ] ; then GRUB_DEFAULT=0 ; fi
if [ "x${GRUB_TIMEOUT}" = "x" ] ; then GRUB_TIMEOUT=5 ; fi

cat << EOF
set default=${GRUB_DEFAULT}
set timeout=${GRUB_TIMEOUT}
EOF

case ${platform}:${GRUB_TERMINAL} in
  pc:gfxterm)
    # Make the font accessible
    prepare_grub_to_access_device `${grub_probe} --target=device ${GRUB_FONT_PATH}`
    cat << EOF
if font `make_system_path_relative_to_its_root ${GRUB_FONT_PATH}` ; then
  set gfxmode=640x480
  insmod gfxterm
  insmod vbe
  terminal gfxterm
fi
EOF
  ;;
  *:serial)
    if [ "x${GRUB_SERIAL_COMMAND}" = "x" ] ; then
      echo "Warning, requested serial terminal but GRUB_SERIAL_COMMAND is unspecified. Default parameters will be used." >&2
      GRUB_SERIAL_COMMAND=serial
    fi
    echo "${GRUB_SERIAL_COMMAND}"
    echo "terminal serial"
  ;;
  *:*)
    echo "terminal ${GRUB_TERMINAL}"
  ;;
esac

# Set the root device.
prepare_grub_to_access_device ${GRUB_DEVICE_BOOT}