3 # Set a default boot entry for GRUB, for the next boot only.
4 # Copyright (C) 2004,2009 Free Software Foundation, Inc.
6 # GRUB is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # GRUB is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with GRUB. If not, see <http://www.gnu.org/licenses/>.
19 # Initialize some variables.
21 exec_prefix
=@exec_prefix@
23 sysconfdir
="@sysconfdir@"
24 PACKAGE_NAME
=@PACKAGE_NAME@
25 PACKAGE_VERSION
=@PACKAGE_VERSION@
26 datarootdir
="@datarootdir@"
28 if [ "x$pkgdatadir" = x
]; then
29 pkgdatadir
="${datadir}/@PACKAGE@"
34 grub_editenv
=${bindir}/@grub_editenv@
37 grubdir
=`echo "/@bootdirname@/@grubdirname@" | sed 's,//*,/,g'`
39 export TEXTDOMAIN
=@PACKAGE@
40 export TEXTDOMAINDIR
="@localedir@"
42 .
"${pkgdatadir}/grub-mkconfig_lib"
47 gettext_printf
"Usage: %s [OPTION] MENU_ENTRY\n" "$self"
48 gettext "Set the default boot menu entry for GRUB, for the next boot only."; echo
49 print_option_help
"-h, --help" "$(gettext "print this message and
exit")"
50 print_option_help
"-v, --version" "$(gettext "print the version information and
exit")"
51 dirmsg
="$(gettext_printf "expect GRUB images under the directory DIR
/%s instead of the
%s directory
" "@grubdirname@
" "$grubdir")"
52 print_option_help
"--boot-directory=$(gettext "DIR
")" "$dirmsg"
54 gettext "MENU_ENTRY is a number, a menu item title or a menu item identifier. Please note that menu items in
55 submenus or sub-submenus require specifying the submenu components and then the
56 menu item component. The titles should be separated using the greater-than
57 character (>) with no extra spaces. Depending on your shell some characters including > may need escaping. More information about this is available
58 in the GRUB Manual in the section about the 'default' command. "; echo
60 gettext "Report bugs to <bug-grub@gnu.org>."; echo
67 if test $# -eq 0; then
68 gettext_printf
"%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2
74 # Check the arguments.
85 echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
88 # Accept for compatibility
90 rootdir
=`argument $option "$@"`; shift ;;
92 rootdir
=`echo "$option" | sed 's/--root-directory=//'` ;;
95 bootdir
=`argument $option "$@"`; shift;;
97 bootdir
=`echo "$option" | sed 's/--boot-directory=//'` ;;
100 gettext_printf
"Unrecognized option \`%s'\n" "$option" 1>&2
105 if test "x$entry" != x
; then
106 gettext "More than one menu entry?" 1>&2
115 if test "x$entry" = x
; then
116 gettext "Menu entry not specified." 1>&2
122 if [ -z "$bootdir" ]; then
123 # Default bootdir if bootdir not initialized.
124 bootdir
=/@bootdirname@
126 if [ -n "$rootdir" ] ; then
127 # Initialize bootdir if rootdir was initialized.
128 bootdir
=${rootdir}/@bootdirname@
132 grubdir
=`echo "${bootdir}/@grubdirname@" | sed 's,//*,/,g'`
134 # Restore saved_entry if it was set by previous version
135 prev_saved_entry
=`$grub_editenv ${grubdir}/grubenv list | sed -n 's/^prev_saved_entry=//p'`
136 if [ "$prev_saved_entry" ]; then
137 $grub_editenv ${grubdir}/grubenv
set saved_entry
="$prev_saved_entry"
138 $grub_editenv ${grubdir}/grubenv
unset prev_saved_entry
141 $grub_editenv ${grubdir}/grubenv
set next_entry
="$entry"