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/>.
20 transform
="@program_transform_name@"
23 exec_prefix
=@exec_prefix@
27 sysconfdir
=@sysconfdir@
28 PACKAGE_NAME
=@PACKAGE_NAME@
29 PACKAGE_VERSION
=@PACKAGE_VERSION@
31 datarootdir
=@datarootdir@
33 pkgdatadir
=${datadir}/`echo @PACKAGE_TARNAME@ | sed "${transform}"`
35 grub_mkconfig_dir
=${sysconfdir}/grub.d
39 grub_mkdevicemap
=${sbindir}/`echo grub-mkdevicemap | sed "${transform}"`
40 grub_probe
=${sbindir}/`echo grub-probe | sed "${transform}"`
41 grub_script_check
="${bindir}/`echo grub-script-check | sed "${transform}"`"
43 GRUB_PREFIX
=`echo '/@bootdirname@/@grubdirname@' | sed "s,//*,/,g"`
50 Generate a grub config file
52 -o, --output=FILE output generated config to FILE [default=stdout]
53 -h, --help print this message and exit
54 -v, --version print the version information and exit
56 Report bugs to <bug-grub@gnu.org>.
64 if test $# -eq 0; then
65 echo "$0: option requires an argument -- '$opt'" 1>&2
71 # Check the arguments.
82 echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
85 grub_cfg
=`argument $option "$@"`; shift;;
87 grub_cfg
=`echo "$option" | sed 's/--output=//'`
90 echo "Unrecognized option \`$option'" 1>&2
94 # Explicitly ignore non-option arguments, for compatibility.
98 .
${libdir}/grub
/grub-mkconfig_lib
100 if [ "x$EUID" = "x" ] ; then
104 if [ "$EUID" != 0 ] ; then
106 case "`uname 2>/dev/null`" in
108 # Cygwin: Assume root if member of admin group
109 for g
in `id -G 2>/dev/null` ; do
115 if [ $root != t
] ; then
116 echo "$self: You must run this as root" >&2
121 set $grub_mkdevicemap dummy
122 if test -f "$1"; then
125 echo "$1: Not found." 1>&2
129 set $grub_probe dummy
130 if test -f "$1"; then
133 echo "$1: Not found." 1>&2
137 mkdir
-p ${GRUB_PREFIX}
139 if test -e ${GRUB_PREFIX}/device.map
; then : ; else
143 # Device containing our userland. Typically used for root= parameter.
144 GRUB_DEVICE
="`${grub_probe} --target=device /`"
145 GRUB_DEVICE_UUID
="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true
147 # Device containing our /boot partition. Usually the same as GRUB_DEVICE.
148 GRUB_DEVICE_BOOT
="`${grub_probe} --target=device /boot`"
149 GRUB_DEVICE_BOOT_UUID
="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true
151 # Filesystem for the device containing our userland. Used for stuff like
152 # choosing Hurd filesystem module.
153 GRUB_FS
="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`"
155 if test -f ${sysconfdir}/default
/grub
; then
156 .
${sysconfdir}/default
/grub
159 # XXX: should this be deprecated at some point?
160 if [ "x${GRUB_TERMINAL}" != "x" ] ; then
161 GRUB_TERMINAL_INPUT
="${GRUB_TERMINAL}"
162 GRUB_TERMINAL_OUTPUT
="${GRUB_TERMINAL}"
166 if [ "x${GRUB_TERMINAL_OUTPUT}" = "x" ]; then
167 GRUB_TERMINAL_OUTPUT
=gfxterm
;
171 for x
in ${GRUB_TERMINAL_OUTPUT}; do
172 if [ "x${x}" = "xgfxterm" ]; then
173 if [ -n "$GRUB_FONT" ] ; then
174 if is_path_readable_by_grub
${GRUB_FONT} > /dev
/null
; then
175 GRUB_FONT_PATH
=${GRUB_FONT}
177 echo "No such font or not readable by grub: ${GRUB_FONT}" >&2
181 for dir
in ${pkgdatadir} ${GRUB_PREFIX} /usr
/share
/grub
; do
182 for basename in unicode unifont ascii
; do
183 path
="${dir}/${basename}.pf2"
184 if is_path_readable_by_grub
${path} > /dev
/null
; then
185 GRUB_FONT_PATH
=${path}
189 if [ "${basename}" = "ascii" ] ; then
190 # make sure all our children behave in conformance with ascii..
197 if [ -z "${GRUB_FONT_PATH}" ] ; then
198 if [ "x$termoutdefault" != "x1" ]; then
199 echo "No font for gfxterm found." >&2 ; exit 1
201 GRUB_TERMINAL_OUTPUT
=
206 for x
in ${GRUB_TERMINAL_OUTPUT}; do
209 xconsole | xserial | xofconsole
)
210 # make sure all our children behave in conformance with ascii..
212 *) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;;
216 # These are defined in this script, export them here so that user can
221 GRUB_DEVICE_BOOT_UUID \
224 GRUB_PRELOAD_MODULES \
227 # These are optional, user-defined variables.
228 export GRUB_DEFAULT \
229 GRUB_HIDDEN_TIMEOUT \
230 GRUB_HIDDEN_TIMEOUT_QUIET \
232 GRUB_DEFAULT_BUTTON \
233 GRUB_HIDDEN_TIMEOUT_BUTTON \
234 GRUB_TIMEOUT_BUTTON \
235 GRUB_BUTTON_CMOS_ADDRESS \
236 GRUB_BUTTON_CMOS_CLEAN \
239 GRUB_CMDLINE_LINUX_DEFAULT \
241 GRUB_CMDLINE_XEN_DEFAULT \
242 GRUB_CMDLINE_NETBSD \
243 GRUB_CMDLINE_NETBSD_DEFAULT \
244 GRUB_TERMINAL_INPUT \
245 GRUB_TERMINAL_OUTPUT \
246 GRUB_SERIAL_COMMAND \
247 GRUB_DISABLE_LINUX_UUID \
248 GRUB_DISABLE_RECOVERY \
253 GRUB_GFXPAYLOAD_LINUX \
254 GRUB_DISABLE_OS_PROBER \
259 if test "x${grub_cfg}" != "x"; then
260 rm -f ${grub_cfg}.new
261 exec > ${grub_cfg}.new
263 # Allow this to fail, since /boot/grub/ might need to be fatfs to support some
264 # firmware implementations (e.g. OFW or EFI).
265 chmod 400 ${grub_cfg}.new || grub_warn
"Could not make ${grub_cfg}.new readable by only root.\
266 This means that if the generated config contains a password it is readable by everyone"
268 echo "Generating grub.cfg ..." >&2
272 # DO NOT EDIT THIS FILE
274 # It is automatically generated by $self using templates
275 # from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub
279 for i
in ${grub_mkconfig_dir}/* ; do
281 # emacsen backup files. FIXME: support other editors
284 if grub_file_is_not_garbage
"$i" && test -x "$i" ; then
286 echo "### BEGIN $i ###"
288 echo "### END $i ###"
294 if test "x${grub_cfg}" != "x" ; then
295 if ! ${grub_script_check} ${grub_cfg}.new
; then
296 echo "Syntax errors are detected in generated GRUB config file." >&2
297 echo "Ensure that there are no errors in /etc/default/grub" >&2
298 echo "and /etc/grub.d/* files or please file a bug report with" >&2
299 echo "${grub_cfg}.new file attached." >&2
301 # none of the children aborted with error, install the new grub.cfg
302 mv -f ${grub_cfg}.new
${grub_cfg}