137 lines
3.5 KiB
Bash
137 lines
3.5 KiB
Bash
#! /bin/sh
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#
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# Set a default boot entry for GRUB.
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# Copyright (C) 2004,2009 Free Software Foundation, Inc.
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#
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# GRUB is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GRUB is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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# Initialize some variables.
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prefix=@prefix@
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exec_prefix=@exec_prefix@
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bindir=@bindir@
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sysconfdir="@sysconfdir@"
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PACKAGE_NAME=@PACKAGE_NAME@
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PACKAGE_VERSION=@PACKAGE_VERSION@
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datarootdir="@datarootdir@"
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datadir="@datadir@"
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if [ "x$pkgdatadir" = x ]; then
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pkgdatadir="${datadir}/@PACKAGE@"
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fi
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self=`basename $0`
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grub_editenv=${bindir}/@grub_editenv@
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rootdir=
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bootdir=
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grubdir=`echo "/@bootdirname@/@grubdirname@" | sed 's,//*,/,g'`
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export TEXTDOMAIN=@PACKAGE@
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export TEXTDOMAINDIR="@localedir@"
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. "${pkgdatadir}/grub-mkconfig_lib"
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# Usage: usage
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# Print the usage.
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usage () {
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gettext_printf "Usage: %s [OPTION] MENU_ENTRY\n" "$self"
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gettext "Set the default boot menu entry for GRUB."; echo
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gettext_printf "This requires setting GRUB_DEFAULT=saved in %s/default/grub.\n" "$sysconfdir"
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echo
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print_option_help "-h, --help" "$(gettext "print this message and exit")"
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print_option_help "-v, --version" "$(gettext "print the version information and exit")"
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dirmsg="$(gettext_printf "expect GRUB images under the directory DIR/%s instead of the %s directory" "@grubdirname@" "$grubdir")"
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print_option_help "--boot-directory=$(gettext "DIR")" "$dirmsg"
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echo
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gettext "MENU_ENTRY is a number, a menu item title or a menu item identifier."; echo
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echo
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gettext "Report bugs to <bug-grub@gnu.org>."; echo
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}
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argument () {
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opt=$1
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shift
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if test $# -eq 0; then
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gettext_printf "%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2
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exit 1
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fi
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echo $1
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}
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# Check the arguments.
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while test $# -gt 0
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do
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option=$1
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shift
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case "$option" in
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-h | --help)
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usage
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exit 0 ;;
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-v | --version)
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echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
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exit 0 ;;
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# Accept for compatibility
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--root-directory)
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rootdir=`argument $option "$@"`; shift ;;
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--root-directory=*)
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rootdir=`echo "$option" | sed 's/--root-directory=//'` ;;
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--boot-directory)
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bootdir=`argument $option "$@"`; shift;;
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--boot-directory=*)
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bootdir=`echo "$option" | sed 's/--boot-directory=//'` ;;
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-*)
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gettext_printf "Unrecognized option \`%s'\n" "$option" 1>&2
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usage
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exit 1
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;;
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*)
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if test "x$entry" != x; then
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gettext "More than one menu entry?" 1>&2
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echo >&2
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usage
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exit 1
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fi
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entry="${option}" ;;
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esac
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done
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if test "x$entry" = x; then
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gettext "Menu entry not specified." 1>&2
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echo >&2
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usage
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exit 1
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fi
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if [ -z "$bootdir" ]; then
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# Default bootdir if bootdir not initialized.
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bootdir=/@bootdirname@
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if [ -n "$rootdir" ] ; then
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# Initialize bootdir if rootdir was initialized.
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bootdir=${rootdir}/@bootdirname@
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fi
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fi
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grubdir=`echo "${bootdir}/@grubdirname@" | sed 's,//*,/,g'`
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$grub_editenv ${grubdir}/grubenv unset prev_saved_entry
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$grub_editenv ${grubdir}/grubenv unset next_entry
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$grub_editenv ${grubdir}/grubenv set saved_entry="$entry"
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# Bye.
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exit 0
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