#! /bin/sh -e

# grub-mkconfig helper script.
# Copyright (C) 2008,2009  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@
. ${libdir}/grub/grub-mkconfig_lib

case "${GRUB_DISTRIBUTOR}" in
  Debian)	OS="${GRUB_DISTRIBUTOR} GNU/kFreeBSD" ;;
  *)		OS="FreeBSD" ;;
esac

if test -e /boot/devices.hints ; then
  devices=/boot/devices.hints
fi

if test -e /boot/kernel/kernel ; then
  kfreebsd=/boot/kernel/kernel
fi
if test -e /boot/kernel/kernel.gz ; then
  kfreebsd=/boot/kernel/kernel.gz
fi

if [ "x$kfreebsd" != "x" ] ; then
  echo "Found kernel of FreeBSD: $kfreebsd" >&2

  kfreebsd_basename=`basename $kfreebsd`
  kfreebsd_dirname=`dirname $kfreebsd`
  kfreebsd_rel_dirname=`make_system_path_relative_to_its_root $kfreebsd_dirname`

  if [ x"$devices" != "x" ] ; then
    devices_basename=`basename $devices`
    devices_dirname=`dirname $devices`
    devices_rel_dirname=`make_system_path_relative_to_its_root $devices_dirname`
  fi

  root_device=`basename ${GRUB_DEVICE}`

  # For "ufs" it's the same.  Do we care about the others?
  kfreebsd_fs=${GRUB_FS}

  cat << EOF
menuentry "${OS}" {
EOF
  prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/"
  cat << EOF
	freebsd			${kfreebsd_rel_dirname}/${kfreebsd_basename}
EOF

  if [ x"$devices" != "x" ] ; then
    cat << EOF
	freebsd_loadenv		${devices_rel_dirname}/${devices_basename}
EOF
  fi
  cat << EOF
	set FreeBSD.vfs.root.mountfrom=${kfreebsd_fs}:${root_device}
}
EOF
fi