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|
#! /bin/sh
#
# Set a default boot entry for GRUB.
# Copyright (C) 2004,2009 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/>.
# Initialize some variables.
prefix=@prefix@
exec_prefix=@exec_prefix@
bindir=@bindir@
sysconfdir="@sysconfdir@"
PACKAGE_NAME=@PACKAGE_NAME@
PACKAGE_VERSION=@PACKAGE_VERSION@
datarootdir="@datarootdir@"
datadir="@datadir@"
if [ "x$pkgdatadir" = x ]; then
pkgdatadir="${datadir}/@PACKAGE@"
fi
self=`basename $0`
grub_editenv=${bindir}/@grub_editenv@
rootdir=
bootdir=
grubdir=`echo "/@bootdirname@/@grubdirname@" | sed 's,//*,/,g'`
export TEXTDOMAIN=@PACKAGE@
export TEXTDOMAINDIR="@localedir@"
. "${pkgdatadir}/grub-mkconfig_lib"
# Usage: usage
# Print the usage.
usage () {
gettext_printf "Usage: %s [OPTION] MENU_ENTRY\n" "$self"
gettext "Set the default boot menu entry for GRUB."; echo
gettext_printf "This requires setting GRUB_DEFAULT=saved in %s/default/grub.\n" "$sysconfdir"
echo
print_option_help "-h, --help" "$(gettext "print this message and exit")"
print_option_help "-V, --version" "$(gettext "print the version information and exit")"
dirmsg="$(gettext_printf "expect GRUB images under the directory DIR/%s instead of the %s directory" "@grubdirname@" "$grubdir")"
print_option_help "--boot-directory=$(gettext "DIR")" "$dirmsg"
echo
gettext "MENU_ENTRY is a number, a menu item title or a menu item identifier."; echo
echo
gettext "Report bugs to <bug-grub@gnu.org>."; echo
}
argument () {
opt=$1
shift
if test $# -eq 0; then
gettext_printf "%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2
exit 1
fi
echo $1
}
# Check the arguments.
while test $# -gt 0
do
option=$1
shift
case "$option" in
-h | --help)
usage
exit 0 ;;
-V | --version)
echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
exit 0 ;;
# Accept for compatibility
--root-directory)
rootdir=`argument $option "$@"`; shift ;;
--root-directory=*)
rootdir=`echo "$option" | sed 's/--root-directory=//'` ;;
--boot-directory)
bootdir=`argument $option "$@"`; shift;;
--boot-directory=*)
bootdir=`echo "$option" | sed 's/--boot-directory=//'` ;;
-*)
gettext_printf "Unrecognized option \`%s'\n" "$option" 1>&2
usage
exit 1
;;
*)
if test "x$entry" != x; then
gettext "More than one menu entry?" 1>&2
echo >&2
usage
exit 1
fi
entry="${option}" ;;
esac
done
if test "x$entry" = x; then
gettext "Menu entry not specified." 1>&2
echo >&2
usage
exit 1
fi
if [ -z "$bootdir" ]; then
# Default bootdir if bootdir not initialized.
bootdir=/@bootdirname@
if [ -n "$rootdir" ] ; then
# Initialize bootdir if rootdir was initialized.
bootdir=${rootdir}/@bootdirname@
fi
fi
grubdir=`echo "${bootdir}/@grubdirname@" | sed 's,//*,/,g'`
$grub_editenv ${grubdir}/grubenv unset prev_saved_entry
$grub_editenv ${grubdir}/grubenv unset next_entry
$grub_editenv ${grubdir}/grubenv set saved_entry="$entry"
# Bye.
exit 0
|
