#! /bin/sh
set -e

# grub-mkconfig helper script.
# Copyright (C) 2006,2007,2008,2009,2010  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=/usr
exec_prefix=/usr
bindir=/usr/bin
libdir=/usr/lib
. "/usr/share/grub/grub-mkconfig_lib"

export TEXTDOMAIN=grub
export TEXTDOMAINDIR=${prefix}/share/locale

X=80
Y=24
TERMINAL=ofconsole

argument () {
  opt=$1
  shift

  if test $# -eq 0; then
      echo "$0: option requires an argument -- '$opt'" 1>&2
      exit 1
  fi
  echo $1
}

check_terminfo () {

  while test $# -gt 0
  do
    option=$1
    shift

    case "$option" in
    terminfo | TERMINFO)
        ;;

    -g)
        NEWXY=`argument $option "$@"`
        NEWX=`echo $NEWXY | cut -d x -f 1`
        NEWY=`echo $NEWXY | cut -d x -f 2`

        if [ ${NEWX} -ge 80 ] ; then
          X=${NEWX}
        else
          echo "Warning: ${NEWX} is less than the minimum size of 80"
        fi

        if [ ${NEWY} -ge 24 ] ; then
          Y=${NEWY}
        else
          echo "Warning: ${NEWY} is less than the minimum size of 24"
        fi

        shift
        ;;

    *)
#       # accept console or ofconsole
#       if [ "$option" != "console" -a "$option" != "ofconsole" ] ; then
#         echo "Error: GRUB_TERMINFO unknown console: $option"
#         exit 1
#       fi
#       # perfer console
#       TERMINAL=console
        # accept ofconsole
        if [ "$option" != "ofconsole" ] ; then
          echo "Error: GRUB_TERMINFO unknown console: $option"
          exit 1
        fi
        # perfer console
        TERMINAL=ofconsole
        ;;
    esac

  done

}

if ! uname -m | grep -q ppc ; then
  exit 0
fi

if [ "x${GRUB_TERMINFO}" != "x" ] ; then
  F1=`echo ${GRUB_TERMINFO} | cut -d " " -f 1`

  if [ "${F1}" != "terminfo" ] ; then
    echo "Error: GRUB_TERMINFO is set to \"${GRUB_TERMINFO}\" The first word should be terminfo."
    exit 1
  fi

  check_terminfo ${GRUB_TERMINFO}
fi

cat << EOF
  terminfo -g ${X}x${Y} ${TERMINAL}
EOF