grub/util/grub.d/00_header.in
2010-01-05 10:53:03 +00:00

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#! /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="@program_transform_name@"
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
grub_prefix=`echo /boot/grub | sed ${transform}`
locale_dir=`echo /boot/grub/locale | sed ${transform}`
grub_lang=`echo $LANG | cut -d _ -f 1`
. ${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${GRUB_DEFAULT}" = "xsaved" ] ; then GRUB_DEFAULT='${saved_entry}' ; fi
if [ "x${GRUB_TIMEOUT}" = "x" ] ; then GRUB_TIMEOUT=5 ; fi
if [ "x${GRUB_GFXMODE}" = "x" ] ; then GRUB_GFXMODE=640x480 ; fi
cat << EOF
if [ -s \$prefix/grubenv ]; then
load_env
fi
set default="${GRUB_DEFAULT}"
if [ \${prev_saved_entry} ]; then
set saved_entry=\${prev_saved_entry}
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z \${boot_once} ]; then
saved_entry=\${chosen}
save_env saved_entry
fi
}
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 ${GRUB_TERMINAL_OUTPUT}
fi
EOF
;;
esac
# Gettext variables and module
if [ "x${LANG}" != "xC" ] ; then
cat << EOF
set locale_dir=${locale_dir}
set lang=${grub_lang}
insmod gettext
EOF
fi
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