#! /bin/sh -e

# grub-mkconfig helper script.
# Copyright (C) 2006,2007,2008,2009  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/>.

transform="s,x,x,"

prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
grub_prefix=`echo /boot/grub | sed ${transform}`

. ${libdir}/grub/grub-mkconfig_lib

# Do this as early as possible, since other commands might depend on it.
# (e.g. the `loadfont' 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
if [ "x${GRUB_GFXMODE}" = "x" ] ; then GRUB_GFXMODE=640x480 ; fi

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

case ${GRUB_TERMINAL_INPUT}:${GRUB_TERMINAL_OUTPUT} in
  serial:* | *:serial)
    if ! test -e ${grub_prefix}/serial.mod ; then
      echo "Serial terminal not available on this platform." >&2 ; exit 1
    fi

    if [ "x${GRUB_SERIAL_COMMAND}" = "x" ] ; then
      grub_warn "Requested serial terminal but GRUB_SERIAL_COMMAND is unspecified. Default parameters will be used."
      GRUB_SERIAL_COMMAND=serial
    fi
    echo "${GRUB_SERIAL_COMMAND}"
  ;;
esac

case x${GRUB_TERMINAL_INPUT} in
  x)
    # Just use the native terminal
  ;;
  x*)
    cat << EOF
if terminal_input ${GRUB_TERMINAL_INPUT} ; then true ; else
  # For backward compatibility with versions of terminal.mod that don't
  # understand terminal_input
  terminal ${GRUB_TERMINAL_INPUT}
fi
EOF
  ;;
esac

case x${GRUB_TERMINAL_OUTPUT} in
 xgfxterm)
    # Make the font accessible
    prepare_grub_to_access_device `${grub_probe} --target=device ${GRUB_FONT_PATH}`

    cat << EOF
if loadfont `make_system_path_relative_to_its_root ${GRUB_FONT_PATH}` ; then
  set gfxmode=${GRUB_GFXMODE}
  insmod gfxterm
  insmod ${GRUB_VIDEO_BACKEND}
  if terminal_output gfxterm ; then true ; else
    # For backward compatibility with versions of terminal.mod that don't
    # understand terminal_output
    terminal gfxterm
  fi
fi
EOF
  ;;
  x)
    # Just use the native terminal
  ;;
  x*)
    cat << EOF
if terminal_output ${GRUB_TERMINAL_OUTPUT} ; then true ; else
  # For backward compatibility with versions of terminal.mod that don't
  # understand terminal_output
  terminal ${GRUB_TERMINAL_OUTPUT}
fi
EOF
  ;;
esac

if [ "x${GRUB_HIDDEN_TIMEOUT}" != "x" ] ; then
  if [ "x${GRUB_HIDDEN_TIMEOUT_QUIET}" = "xtrue" ] ; then 
    verbose=
  else
    verbose=" --verbose"
  fi
  cat << EOF
if sleep$verbose --interruptible ${GRUB_HIDDEN_TIMEOUT} ; then
  set timeout=${GRUB_TIMEOUT}
fi
EOF
else
  cat << EOF
set timeout=${GRUB_TIMEOUT}
EOF
fi