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@
26 sysconfdir
=@sysconfdir@
27 PACKAGE_NAME
=@PACKAGE_NAME@
28 PACKAGE_VERSION
=@PACKAGE_VERSION@
30 datarootdir
=@datarootdir@
32 pkgdatadir
=${datadir}/`echo @PACKAGE_TARNAME@ | sed "${transform}"`
34 grub_mkconfig_dir
=${sysconfdir}/grub.d
38 grub_mkdevicemap
=${sbindir}/`echo grub-mkdevicemap | sed ${transform}`
39 grub_probe
=${sbindir}/`echo grub-probe | sed ${transform}`
41 GRUB_PREFIX
=`echo '/@bootdirname@/@grubdirname@' | sed "s,//*,/,g"`
48 Generate a grub config file
50 -o, --output=FILE output generated config to FILE [default=stdout]
51 -h, --help print this message and exit
52 -v, --version print the version information and exit
54 Report bugs to <bug-grub@gnu.org>.
62 if test $# -eq 0; then
63 echo "$0: option requires an argument -- '$opt'" 1>&2
69 # Check the arguments.
80 echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
83 grub_cfg
=`argument $option "$@"`; shift;;
85 grub_cfg
=`echo "$option" | sed 's/--output=//'`
88 echo "Unrecognized option \`$option'" 1>&2
92 # Explicitly ignore non-option arguments, for compatibility.
96 .
${libdir}/grub
/grub-mkconfig_lib
98 if [ "x$EUID" = "x" ] ; then
102 if [ "$EUID" != 0 ] ; then
104 case "`uname 2>/dev/null`" in
106 # Cygwin: Assume root if member of admin group
107 for g
in `id -G 2>/dev/null` ; do
113 if [ $root != t
] ; then
114 echo "$self: You must run this as root" >&2
119 set $grub_mkdevicemap dummy
120 if test -f "$1"; then
123 echo "$1: Not found." 1>&2
127 set $grub_probe dummy
128 if test -f "$1"; then
131 echo "$1: Not found." 1>&2
135 mkdir
-p ${GRUB_PREFIX}
137 if test -e ${GRUB_PREFIX}/device.map
; then : ; else
141 # Device containing our userland. Typically used for root= parameter.
142 GRUB_DEVICE
="`${grub_probe} --target=device /`"
143 GRUB_DEVICE_UUID
="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true
145 # Device containing our /boot partition. Usually the same as GRUB_DEVICE.
146 GRUB_DEVICE_BOOT
="`${grub_probe} --target=device /boot`"
147 GRUB_DEVICE_BOOT_UUID
="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true
149 # Filesystem for the device containing our userland. Used for stuff like
150 # choosing Hurd filesystem module.
151 GRUB_FS
="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`"
153 if test -f ${sysconfdir}/default
/grub
; then
154 .
${sysconfdir}/default
/grub
157 # XXX: should this be deprecated at some point?
158 if [ "x${GRUB_TERMINAL}" != "x" ] ; then
159 GRUB_TERMINAL_INPUT
="${GRUB_TERMINAL}"
160 GRUB_TERMINAL_OUTPUT
="${GRUB_TERMINAL}"
164 if [ "x${GRUB_TERMINAL_OUTPUT}" = "x" ]; then
165 GRUB_TERMINAL_OUTPUT
=gfxterm
;
169 for x
in ${GRUB_TERMINAL_OUTPUT}; do
170 if [ "x${x}" = "xgfxterm" ]; then
171 # If this platform supports gfxterm, try to use it.
172 if ! test -e ${GRUB_PREFIX}/gfxterm.mod
; then
173 if [ "x$termoutdefault" != "x1" ]; then
174 echo "gfxterm isn't available on your platform" >&2 ; exit 1
176 GRUB_TERMINAL_OUTPUT
=
179 if [ ! -s "${GRUB_PREFIX}/video.lst" ] ; then
180 if [ "x$termoutdefault" != "x1" ]; then
181 echo "No suitable backend could be found for gfxterm." >&2 ; exit 1
183 GRUB_TERMINAL_OUTPUT
=
185 if [ -n "$GRUB_FONT" ] ; then
186 if is_path_readable_by_grub
${GRUB_FONT} > /dev
/null
; then
187 GRUB_FONT_PATH
=${GRUB_FONT}
189 echo "No such font or not readable by grub: ${GRUB_FONT}" >&2
193 for dir
in ${pkgdatadir} ${GRUB_PREFIX} /usr
/share
/grub
; do
194 for basename in unicode unifont ascii
; do
195 path
="${dir}/${basename}.pf2"
196 if is_path_readable_by_grub
${path} > /dev
/null
; then
197 GRUB_FONT_PATH
=${path}
201 if [ "${basename}" = "ascii" ] ; then
202 # make sure all our children behave in conformance with ascii..
209 if [ -z "${GRUB_FONT_PATH}" ] ; then
210 if [ "x$termoutdefault" != "x1" ]; then
211 echo "No font for gfxterm found." >&2 ; exit 1
213 GRUB_TERMINAL_OUTPUT
=
218 for x
in ${GRUB_TERMINAL_OUTPUT}; do
221 xconsole | xserial | xofconsole
)
222 # make sure all our children behave in conformance with ascii..
224 *) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;;
228 # These are defined in this script, export them here so that user can
233 GRUB_DEVICE_BOOT_UUID \
236 GRUB_PRELOAD_MODULES \
239 # These are optional, user-defined variables.
240 export GRUB_DEFAULT \
241 GRUB_HIDDEN_TIMEOUT \
242 GRUB_HIDDEN_TIMEOUT_QUIET \
244 GRUB_DEFAULT_BUTTON \
245 GRUB_HIDDEN_TIMEOUT_BUTTON \
246 GRUB_TIMEOUT_BUTTON \
247 GRUB_BUTTON_CMOS_ADDRESS \
248 GRUB_BUTTON_CMOS_CLEAN \
251 GRUB_CMDLINE_LINUX_DEFAULT \
253 GRUB_CMDLINE_XEN_DEFAULT \
254 GRUB_CMDLINE_NETBSD \
255 GRUB_CMDLINE_NETBSD_DEFAULT \
256 GRUB_TERMINAL_INPUT \
257 GRUB_TERMINAL_OUTPUT \
258 GRUB_SERIAL_COMMAND \
259 GRUB_DISABLE_LINUX_UUID \
260 GRUB_DISABLE_RECOVERY \
265 GRUB_GFXPAYLOAD_LINUX \
266 GRUB_DISABLE_OS_PROBER \
271 if test "x${grub_cfg}" != "x"; then
272 rm -f ${grub_cfg}.new
273 exec > ${grub_cfg}.new
275 # Allow this to fail, since /boot/grub/ might need to be fatfs to support some
276 # firmware implementations (e.g. OFW or EFI).
277 chmod 400 ${grub_cfg}.new || grub_warn
"Could not make ${grub_cfg}.new readable by only root.\
278 This means that if the generated config contains a password it is readable by everyone"
280 echo "Generating grub.cfg ..." >&2
284 # DO NOT EDIT THIS FILE
286 # It is automatically generated by $self using templates
287 # from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub
291 for i
in ${grub_mkconfig_dir}/* ; do
293 # emacsen backup files. FIXME: support other editors
296 if grub_file_is_not_garbage
"$i" && test -x "$i" ; then
298 echo "### BEGIN $i ###"
300 echo "### END $i ###"
306 if test "x${grub_cfg}" != "x" ; then
307 if ! grub-script-check
${grub_cfg}.new
; then
308 echo "Syntax errors are detected in generated GRUB config file." >&2
309 echo "Ensure that there are no errors in /etc/default/grub" >&2
310 echo "and /etc/grub.d/* files or please file a bug report with" >&2
311 echo "${grub_cfg}.new file attached." >&2
313 # none of the children aborted with error, install the new grub.cfg
314 mv -f ${grub_cfg}.new
${grub_cfg}