| #! /bin/sh |
| # |
| # Set a default boot entry for GRUB, for the next boot only. |
| # 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, for the next boot only."; 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. Please note that menu items in |
| submenus or sub-submenus require specifying the submenu components and then the |
| menu item component. The titles should be separated using the greater-than |
| character (>) with no extra spaces. Depending on your shell some characters including > may need escaping. More information about this is available |
| in the GRUB Manual in the section about the 'default' command. "; 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 "${bootdir}/@grubdirname@" | sed 's,//*,/,g'` |
| |
| # Restore saved_entry if it was set by previous version |
| prev_saved_entry=`$grub_editenv ${grubdir}/grubenv list | sed -n 's/^prev_saved_entry=//p'` |
| if [ "$prev_saved_entry" ]; then |
| $grub_editenv ${grubdir}/grubenv set saved_entry="$prev_saved_entry" |
| $grub_editenv ${grubdir}/grubenv unset prev_saved_entry |
| fi |
| |
| $grub_editenv ${grubdir}/grubenv set next_entry="$entry" |
| |
| # Bye. |
| exit 0 |