4 # Generate grub.cfg by inspecting /boot contents.
5 # Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc.
7 # GRUB is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # GRUB is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GRUB. If not, see <http://www.gnu.org/licenses/>.
21 exec_prefix="@exec_prefix@"
22 datarootdir="@datarootdir@"
25 exec_prefix="@exec_prefix@"
28 sysconfdir="@sysconfdir@"
29 PACKAGE_NAME=@PACKAGE_NAME@
30 PACKAGE_VERSION=@PACKAGE_VERSION@
33 if [ "x$pkgdatadir" = x ]; then
34 pkgdatadir="${datadir}/@PACKAGE@"
36 # export it for scripts
40 grub_mkconfig_dir="${sysconfdir}"/grub.d
44 grub_probe="${sbindir}/@grub_probe@"
45 grub_file="${bindir}/@grub_file@"
46 grub_editenv="${bindir}/@grub_editenv@"
47 grub_script_check="${bindir}/@grub_script_check@"
49 export TEXTDOMAIN=@PACKAGE@
50 export TEXTDOMAINDIR="@localedir@"
52 . "${pkgdatadir}/grub-mkconfig_lib"
57 gettext_printf "Usage: %s [OPTION]\n" "$self"
58 gettext "Generate a grub config file"; echo
60 print_option_help "-o, --output=$(gettext FILE)" "$(gettext "output generated config to FILE [default=stdout]")"
61 print_option_help "-h, --help" "$(gettext "print this message and exit")"
62 print_option_help "-v, --version" "$(gettext "print the version information and exit")"
64 gettext "Report bugs to <bug-grub@gnu.org>."; echo
71 if test $# -eq 0; then
72 gettext_printf "%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2
78 # Check the arguments.
89 echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
92 grub_cfg=`argument $option "$@"`; shift;;
94 grub_cfg=`echo "$option" | sed 's/--output=//'`
97 gettext_printf "Unrecognized option \`%s'\n" "$option" 1>&2
101 # Explicitly ignore non-option arguments, for compatibility.
105 if [ "x$EUID" = "x" ] ; then
109 if [ "$EUID" != 0 ] ; then
111 case "`uname 2>/dev/null`" in
113 # Cygwin: Assume root if member of admin group
114 for g in `id -G 2>/dev/null` ; do
120 if [ $root != t ] ; then
121 gettext_printf "%s: You must run this as root\n" "$self" >&2
126 set $grub_probe dummy
127 if test -f "$1"; then
130 gettext_printf "%s: Not found.\n" "$1" 1>&2
134 # Device containing our userland. Typically used for root= parameter.
135 GRUB_DEVICE="`${grub_probe} --target=device /`"
136 GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true
138 # Device containing our /boot partition. Usually the same as GRUB_DEVICE.
139 GRUB_DEVICE_BOOT="`${grub_probe} --target=device /boot`"
140 GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true
142 # Filesystem for the device containing our userland. Used for stuff like
143 # choosing Hurd filesystem module.
144 GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`"
146 if [ x"$GRUB_FS" = xunknown ]; then
147 GRUB_FS="$(stat -f --printf=%T / || echo unknown)"
150 if test -f ${sysconfdir}/default/grub ; then
151 . ${sysconfdir}/default/grub
154 # XXX: should this be deprecated at some point?
155 if [ "x${GRUB_TERMINAL}" != "x" ] ; then
156 GRUB_TERMINAL_INPUT="${GRUB_TERMINAL}"
157 GRUB_TERMINAL_OUTPUT="${GRUB_TERMINAL}"
161 if [ "x${GRUB_TERMINAL_OUTPUT}" = "x" ]; then
162 GRUB_TERMINAL_OUTPUT=gfxterm;
166 for x in ${GRUB_TERMINAL_OUTPUT}; do
169 xconsole | xserial | xofconsole | xvga_text)
170 # make sure all our children behave in conformance with ascii..
172 *) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;;
176 GRUB_ACTUAL_DEFAULT="$GRUB_DEFAULT"
178 if [ "x${GRUB_ACTUAL_DEFAULT}" = "xsaved" ] ; then GRUB_ACTUAL_DEFAULT="`"${grub_editenv}" - list | sed -n '/^saved_entry=/ s,^saved_entry=,,p'`" ; fi
181 # These are defined in this script, export them here so that user can
186 GRUB_DEVICE_BOOT_UUID \
189 GRUB_PRELOAD_MODULES \
192 # These are optional, user-defined variables.
193 export GRUB_DEFAULT \
194 GRUB_HIDDEN_TIMEOUT \
195 GRUB_HIDDEN_TIMEOUT_QUIET \
198 GRUB_DEFAULT_BUTTON \
199 GRUB_HIDDEN_TIMEOUT_BUTTON \
200 GRUB_TIMEOUT_BUTTON \
201 GRUB_TIMEOUT_STYLE_BUTTON \
202 GRUB_BUTTON_CMOS_ADDRESS \
203 GRUB_BUTTON_CMOS_CLEAN \
206 GRUB_CMDLINE_LINUX_DEFAULT \
208 GRUB_CMDLINE_XEN_DEFAULT \
209 GRUB_CMDLINE_LINUX_XEN_REPLACE \
210 GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT \
211 GRUB_CMDLINE_NETBSD \
212 GRUB_CMDLINE_NETBSD_DEFAULT \
213 GRUB_CMDLINE_GNUMACH \
214 GRUB_TERMINAL_INPUT \
215 GRUB_TERMINAL_OUTPUT \
216 GRUB_SERIAL_COMMAND \
217 GRUB_DISABLE_LINUX_UUID \
218 GRUB_DISABLE_RECOVERY \
223 GRUB_GFXPAYLOAD_LINUX \
224 GRUB_DISABLE_OS_PROBER \
227 GRUB_ENABLE_CRYPTODISK \
229 GRUB_OS_PROBER_SKIP_LIST \
232 if test "x${grub_cfg}" != "x"; then
233 rm -f "${grub_cfg}.new"
234 oldumask=$(umask); umask 077
235 exec > "${grub_cfg}.new"
238 gettext "Generating grub configuration file ..." >&2
243 # DO NOT EDIT THIS FILE
245 # It is automatically generated by $self using templates
246 # from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub
251 for i in "${grub_mkconfig_dir}"/* ; do
253 # emacsen backup files. FIXME: support other editors
255 # emacsen autosave files. FIXME: support other editors
258 if grub_file_is_not_garbage "$i" && test -x "$i" ; then
260 echo "### BEGIN $i ###"
262 echo "### END $i ###"
268 if test "x${grub_cfg}" != "x" ; then
269 if ! ${grub_script_check} ${grub_cfg}.new; then
270 # TRANSLATORS: %s is replaced by filename
271 gettext_printf "Syntax errors are detected in generated GRUB config file.
272 Ensure that there are no errors in /etc/default/grub
273 and /etc/grub.d/* files or please file a bug report with
274 %s file attached." "${grub_cfg}.new" >&2
278 # none of the children aborted with error, install the new grub.cfg
279 mv -f ${grub_cfg}.new ${grub_cfg}