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ebd97f6e | 1 | #! /bin/sh -e |
2 | ||
3 | # Generate grub.cfg by inspecting /boot contents. | |
f6fd460a | 4 | # Copyright (C) 2006,2007,2008,2009 Free Software Foundation, Inc. |
ebd97f6e | 5 | # |
5a79f472 | 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 | |
ebd97f6e | 9 | # (at your option) any later version. |
10 | # | |
5a79f472 | 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. | |
ebd97f6e | 15 | # |
16 | # You should have received a copy of the GNU General Public License | |
5a79f472 | 17 | # along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
ebd97f6e | 18 | |
19 | transform="@program_transform_name@" | |
20 | ||
2e610d62 | 21 | prefix=@prefix@ |
22 | exec_prefix=@exec_prefix@ | |
23 | sbindir=@sbindir@ | |
42c71976 | 24 | libdir=@libdir@ |
ebd97f6e | 25 | sysconfdir=@sysconfdir@ |
880e0a0c | 26 | package_version=@PACKAGE_VERSION@ |
38e55e90 | 27 | host_os=@host_os@ |
29a6b9e8 | 28 | datarootdir=@datarootdir@ |
b969c52f | 29 | datadir=@datadir@ |
30 | pkgdatadir=${datadir}/`echo @PACKAGE_TARNAME@ | sed "${transform}"` | |
18ade780 | 31 | grub_cfg="" |
32 | grub_mkconfig_dir=${sysconfdir}/grub.d | |
2e610d62 | 33 | |
34 | grub_mkdevicemap=${sbindir}/`echo grub-mkdevicemap | sed ${transform}` | |
35 | grub_probe=${sbindir}/`echo grub-probe | sed ${transform}` | |
ebd97f6e | 36 | |
68807e5f | 37 | # Usage: usage |
38 | # Print the usage. | |
39 | usage () { | |
40 | cat <<EOF | |
41 | Usage: $0 [OPTION] | |
18ade780 | 42 | Generate a grub config file |
68807e5f | 43 | |
18ade780 | 44 | -o, --output=FILE output generated config to FILE [default=stdout] |
68807e5f | 45 | -h, --help print this message and exit |
46 | -v, --version print the version information and exit | |
68807e5f | 47 | |
48 | Report bugs to <bug-grub@gnu.org>. | |
49 | EOF | |
50 | } | |
51 | ||
52 | # Check the arguments. | |
21717c8f | 53 | next_grub_cfg=false |
68807e5f | 54 | for option in "$@"; do |
21717c8f CW |
55 | if $next_grub_cfg; then |
56 | grub_cfg=$option | |
57 | next_grub_cfg=false | |
58 | continue | |
59 | fi | |
68807e5f | 60 | case "$option" in |
61 | -h | --help) | |
62 | usage | |
63 | exit 0 ;; | |
64 | -v | --version) | |
880e0a0c | 65 | echo "$0 (GNU GRUB ${package_version})" |
68807e5f | 66 | exit 0 ;; |
18ade780 | 67 | -o) |
21717c8f | 68 | next_grub_cfg=: |
18ade780 | 69 | ;; |
880fc3c4 | 70 | --output=*) |
18ade780 | 71 | grub_cfg=`echo "$option" | sed 's/--output=//'` |
b39f9d20 | 72 | ;; |
68807e5f | 73 | -*) |
74 | echo "Unrecognized option \`$option'" 1>&2 | |
75 | usage | |
76 | exit 1 | |
77 | ;; | |
78 | esac | |
79 | done | |
21717c8f CW |
80 | if $next_grub_cfg; then |
81 | echo "Missing argument to \`-o'" 1>&2 | |
82 | usage | |
83 | exit 1 | |
84 | fi | |
68807e5f | 85 | |
18ade780 | 86 | . ${libdir}/grub/grub-mkconfig_lib |
42c71976 | 87 | |
38e55e90 GS |
88 | case "$host_os" in |
89 | netbsd* | openbsd*) | |
90 | # Because /boot is used for the boot block in NetBSD and OpenBSD, use /grub | |
91 | # instead of /boot/grub. | |
92 | grub_prefix=`echo /grub | sed ${transform}` | |
93 | ;; | |
94 | *) | |
95 | # Use /boot/grub by default. | |
96 | grub_prefix=`echo /boot/grub | sed ${transform}` | |
97 | ;; | |
98 | esac | |
99 | ||
991477f8 | 100 | if [ "x$EUID" = "x" ] ; then |
101 | EUID=`id -u` | |
ebd97f6e | 102 | fi |
103 | ||
991477f8 | 104 | if [ "$EUID" != 0 ] ; then |
b609876d | 105 | root=f |
106 | case "`uname 2>/dev/null`" in | |
107 | CYGWIN*) | |
108 | # Cygwin: Assume root if member of admin group | |
109 | for g in `id -G 2>/dev/null` ; do | |
110 | case $g in | |
111 | 0|544) root=t ;; | |
112 | esac | |
113 | done ;; | |
114 | esac | |
115 | if [ $root != t ] ; then | |
116 | echo "$0: You must run this as root" >&2 | |
117 | exit 1 | |
118 | fi | |
ebd97f6e | 119 | fi |
120 | ||
2e610d62 | 121 | set $grub_mkdevicemap dummy |
122 | if test -f "$1"; then | |
123 | : | |
124 | else | |
125 | echo "$1: Not found." 1>&2 | |
126 | exit 1 | |
ebd97f6e | 127 | fi |
128 | ||
2e610d62 | 129 | set $grub_probe dummy |
130 | if test -f "$1"; then | |
131 | : | |
132 | else | |
133 | echo "$1: Not found." 1>&2 | |
134 | exit 1 | |
ebd97f6e | 135 | fi |
136 | ||
2e610d62 | 137 | mkdir -p ${grub_prefix} |
138 | ||
139 | if test -e ${grub_prefix}/device.map ; then : ; else | |
74b21bee | 140 | ${grub_mkdevicemap} |
ebd97f6e | 141 | fi |
142 | ||
cc85c3c3 | 143 | # Device containing our userland. Typically used for root= parameter. |
69ba137e | 144 | GRUB_DEVICE="`${grub_probe} --target=device /`" |
145 | GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true | |
62191274 | 146 | |
147 | # Device containing our /boot partition. Usually the same as GRUB_DEVICE. | |
69ba137e | 148 | GRUB_DEVICE_BOOT="`${grub_probe} --target=device /boot`" |
149 | GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true | |
57f96397 | 150 | |
151 | # Filesystem for the device containing our userland. Used for stuff like | |
152 | # choosing Hurd filesystem module. | |
69ba137e | 153 | GRUB_FS="`${grub_probe} --target=fs / 2> /dev/null || echo unknown`" |
57f96397 | 154 | |
ebd97f6e | 155 | if test -f ${sysconfdir}/default/grub ; then |
156 | . ${sysconfdir}/default/grub | |
157 | fi | |
158 | ||
651c29b7 | 159 | # XXX: should this be deprecated at some point? |
160 | if [ "x${GRUB_TERMINAL}" != "x" ] ; then | |
161 | GRUB_TERMINAL_INPUT="${GRUB_TERMINAL}" | |
162 | GRUB_TERMINAL_OUTPUT="${GRUB_TERMINAL}" | |
163 | fi | |
164 | ||
d5631db0 | 165 | termoutdefault=0 |
38e55e90 | 166 | if [ "x${GRUB_TERMINAL_OUTPUT}" = "x" ]; then |
d5631db0 VS |
167 | GRUB_TERMINAL_OUTPUT=gfxterm; |
168 | termoutdefault=1; | |
169 | fi | |
170 | ||
171 | for x in ${GRUB_TERMINAL_OUTPUT}; do | |
38e55e90 | 172 | if [ "x${x}" = "xgfxterm" ]; then |
d5631db0 VS |
173 | # If this platform supports gfxterm, try to use it. |
174 | if ! test -e ${grub_prefix}/gfxterm.mod ; then | |
175 | if [ "x$termoutdefault" != "x1" ]; then | |
176 | echo "gfxterm isn't available on your platform" >&2 ; exit 1 | |
177 | fi | |
178 | GRUB_TERMINAL_OUTPUT= | |
179 | break; | |
180 | fi | |
181 | # FIXME: this should do something smarter than just loading first | |
182 | # video backend. | |
183 | GRUB_VIDEO_BACKEND=$(head -n 1 ${grub_prefix}/video.lst || true) | |
184 | if [ -z "${GRUB_VIDEO_BACKEND}" ] ; then | |
185 | if [ "x$termoutdefault" != "x1" ]; then | |
186 | echo "No suitable backend could be found for gfxterm." >&2 ; exit 1 | |
187 | fi | |
188 | GRUB_TERMINAL_OUTPUT= | |
189 | fi | |
190 | if [ -n "$GRUB_FONT" ] ; then | |
191 | if is_path_readable_by_grub ${GRUB_FONT} > /dev/null ; then | |
192 | GRUB_FONT_PATH=${GRUB_FONT} | |
193 | else | |
194 | echo "No such font or not readable by grub: ${GRUB_FONT}" >&2 | |
195 | exit 1 | |
196 | fi | |
b969c52f | 197 | else |
d5631db0 VS |
198 | for dir in ${pkgdatadir} /boot/grub /usr/share/grub ; do |
199 | for basename in unicode unifont ascii; do | |
200 | path="${dir}/${basename}.pf2" | |
201 | if is_path_readable_by_grub ${path} > /dev/null ; then | |
202 | GRUB_FONT_PATH=${path} | |
203 | else | |
204 | continue | |
205 | fi | |
206 | if [ "${basename}" = "ascii" ] ; then | |
207 | # make sure all our children behave in conformance with ascii.. | |
208 | export LANG=C | |
209 | fi | |
210 | break 2 | |
211 | done | |
212 | done | |
213 | fi | |
214 | if [ -z "${GRUB_FONT_PATH}" ] ; then | |
215 | if [ "x$termoutdefault" != "x1" ]; then | |
216 | echo "No font for gfxterm found." >&2 ; exit 1 | |
217 | fi | |
218 | GRUB_TERMINAL_OUTPUT= | |
b969c52f | 219 | fi |
29a6b9e8 | 220 | fi |
d5631db0 VS |
221 | done |
222 | ||
223 | for x in ${GRUB_TERMINAL_OUTPUT}; do | |
224 | case "x${x}" in | |
225 | xgfxterm) ;; | |
226 | xconsole | xserial | xofconsole) | |
227 | # make sure all our children behave in conformance with ascii.. | |
228 | export LANG=C;; | |
229 | *) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;; | |
230 | esac | |
231 | done | |
6193defe | 232 | |
57f96397 | 233 | # These are defined in this script, export them here so that user can |
234 | # override them. | |
9a10df16 | 235 | export GRUB_DEVICE \ |
236 | GRUB_DEVICE_UUID \ | |
237 | GRUB_DEVICE_BOOT \ | |
238 | GRUB_DEVICE_BOOT_UUID \ | |
239 | GRUB_FS \ | |
240 | GRUB_FONT_PATH \ | |
3b76e68b | 241 | GRUB_PRELOAD_MODULES \ |
242 | GRUB_VIDEO_BACKEND | |
57f96397 | 243 | |
244 | # These are optional, user-defined variables. | |
9a10df16 | 245 | export GRUB_DEFAULT \ |
246 | GRUB_HIDDEN_TIMEOUT \ | |
247 | GRUB_HIDDEN_TIMEOUT_QUIET \ | |
248 | GRUB_TIMEOUT \ | |
249 | GRUB_DISTRIBUTOR \ | |
250 | GRUB_CMDLINE_LINUX \ | |
251 | GRUB_CMDLINE_LINUX_DEFAULT \ | |
0d2c20c6 GS |
252 | GRUB_CMDLINE_NETBSD \ |
253 | GRUB_CMDLINE_NETBSD_DEFAULT \ | |
9a10df16 | 254 | GRUB_TERMINAL_INPUT \ |
255 | GRUB_TERMINAL_OUTPUT \ | |
256 | GRUB_SERIAL_COMMAND \ | |
257 | GRUB_DISABLE_LINUX_UUID \ | |
258 | GRUB_DISABLE_LINUX_RECOVERY \ | |
0d2c20c6 | 259 | GRUB_DISABLE_NETBSD_RECOVERY \ |
5174302b | 260 | GRUB_GFXMODE \ |
d7c43ba1 | 261 | GRUB_BACKGROUND \ |
eb1c9594 | 262 | GRUB_THEME \ |
65a533e7 | 263 | GRUB_GFXPAYLOAD_LINUX \ |
0a39de87 | 264 | GRUB_DISABLE_OS_PROBER \ |
a0ca21c2 CW |
265 | GRUB_INIT_TUNE \ |
266 | GRUB_SAVEDEFAULT | |
57f96397 | 267 | |
18ade780 | 268 | if test "x${grub_cfg}" != "x"; then |
269 | rm -f ${grub_cfg}.new | |
270 | exec > ${grub_cfg}.new | |
57f96397 | 271 | |
18ade780 | 272 | # Allow this to fail, since /boot/grub/ might need to be fatfs to support some |
273 | # firmware implementations (e.g. OFW or EFI). | |
8aa1541a | 274 | chmod 400 ${grub_cfg}.new || grub_warn "Could not make ${grub_cfg}.new readable by only root.\ |
275 | This means that if the generated config contains a password it is readable by everyone" | |
18ade780 | 276 | fi |
277 | echo "Generating grub.cfg ..." >&2 | |
ebd97f6e | 278 | |
279 | cat << EOF | |
280 | # | |
281 | # DO NOT EDIT THIS FILE | |
282 | # | |
cc85c3c3 | 283 | # It is automatically generated by $0 using templates |
f6fd460a | 284 | # from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub |
ebd97f6e | 285 | # |
286 | EOF | |
287 | ||
18ade780 | 288 | for i in ${grub_mkconfig_dir}/* ; do |
53b052de | 289 | case "$i" in |
ebd97f6e | 290 | # emacsen backup files. FIXME: support other editors |
291 | *~) ;; | |
292 | *) | |
2f80039d | 293 | if grub_file_is_not_garbage "$i" && test -x "$i" ; then |
ebd97f6e | 294 | echo |
295 | echo "### BEGIN $i ###" | |
53b052de | 296 | "$i" |
ebd97f6e | 297 | echo "### END $i ###" |
298 | fi | |
299 | ;; | |
300 | esac | |
301 | done | |
302 | ||
18ade780 | 303 | if test "x${grub_cfg}" != "x" ; then |
304 | # none of the children aborted with error, install the new grub.cfg | |
305 | mv -f ${grub_cfg}.new ${grub_cfg} | |
306 | fi | |
ebd97f6e | 307 | |
308 | echo "done" >&2 |