grub/util/update-grub.in
robertmh 509d00f1cc 2007-05-05 Robert Millan <rmh@aybabtu.com>
* util/update-grub.in: Create ${grub_prefix} if it doesn't exist.
2007-05-05 10:57:51 +00:00

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#! /bin/sh -e
# Generate grub.cfg by inspecting /boot contents.
# Copyright (C) 2006, 2007 Free Software Foundation, Inc.
#
# This file 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St - Suite 330, Boston, MA 02110, USA.
transform="@program_transform_name@"
sysconfdir=@sysconfdir@
grub_prefix=`echo /boot/grub | sed ${transform}`
grub_cfg=${grub_prefix}/grub.cfg
update_grub_dir=${sysconfdir}/grub.d
test_mode=false
if [ "x$UID" = "x" ] ; then
UID=`id -u`
fi
if [ "$UID" != 0 ] ; then
echo "$0: You must run this as root" >&2
exit 1
fi
if [ "$1" = "-y" ] ; then
echo "$0: warning: Ignoring -y option (no longer needed)." >&2
fi
if test -d ${update_grub_dir} ; then : ; else
if test -d ./grub.d ; then
update_grub_dir=./grub.d
test_mode=true
fi
fi
found=false
old_IFS="$IFS"
IFS=:
for i in $PATH ; do
if test -x "$i/grub-probe" ; then
found=true
break
fi
done
IFS="$old_IFS"
if ${found} ; then : ; else
echo "$0: grub-probe not found in PATH." >&2
exit 1
fi
if ${test_mode} ; then : ; else
mkdir -p ${grub_prefix}
exec > ${grub_cfg}.new
chmod 444 ${grub_cfg}.new
fi
if test -f ${sysconfdir}/default/grub ; then
. ${sysconfdir}/default/grub
fi
echo "Updating ${grub_cfg} ..." >&2
cat << EOF
#
# DO NOT EDIT THIS FILE
#
# It is automaticaly generated by $0 using templates from ${update_grub_dir}
#
EOF
export GRUB_DEVICE="`grub-probe --target=device ${grub_prefix}`"
export GRUB_DRIVE="`grub-probe --target=drive ${grub_prefix}`"
export GRUB_FS="`grub-probe --target=fs ${grub_prefix}`"
for i in ${update_grub_dir}/* ; do
case $i in
# emacsen backup files. FIXME: support other editors
*~) ;;
*)
if test -x $i ; then
echo
echo "### BEGIN $i ###"
$i
echo "### END $i ###"
fi
;;
esac
done
# none of the children aborted with error, install the new grub.cfg
if ${test_mode} ; then : ; else
mv ${grub_cfg}.new ${grub_cfg}
fi
echo "done" >&2