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Commit | Line | Data |
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1246efeb CW |
1 | #! /bin/sh |
2 | set -e | |
ebd97f6e | 3 | |
4 | # Generate grub.cfg by inspecting /boot contents. | |
d500ed12 | 5 | # Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc. |
ebd97f6e | 6 | # |
5a79f472 | 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 | |
ebd97f6e | 10 | # (at your option) any later version. |
11 | # | |
5a79f472 | 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. | |
ebd97f6e | 16 | # |
17 | # You should have received a copy of the GNU General Public License | |
5a79f472 | 18 | # along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
ebd97f6e | 19 | |
20 | transform="@program_transform_name@" | |
48b391e9 VS |
21 | prefix="@prefix@" |
22 | exec_prefix="@exec_prefix@" | |
23 | datarootdir="@datarootdir@" | |
24 | ||
25 | prefix="@prefix@" | |
26 | exec_prefix="@exec_prefix@" | |
27 | sbindir="@sbindir@" | |
28 | bindir="@bindir@" | |
29 | sysconfdir="@sysconfdir@" | |
0ea7c4f9 GS |
30 | PACKAGE_NAME=@PACKAGE_NAME@ |
31 | PACKAGE_VERSION=@PACKAGE_VERSION@ | |
38e55e90 | 32 | host_os=@host_os@ |
48b391e9 VS |
33 | datadir="@datadir@" |
34 | pkgdatadir="${datadir}/`echo @PACKAGE_TARNAME@ | sed "${transform}"`" | |
18ade780 | 35 | grub_cfg="" |
48b391e9 | 36 | grub_mkconfig_dir="${sysconfdir}"/grub.d |
2e610d62 | 37 | |
0ea7c4f9 GS |
38 | self=`basename $0` |
39 | ||
48b391e9 | 40 | grub_probe="${sbindir}/`echo grub-probe | sed "${transform}"`" |
4417aae6 | 41 | grub_script_check="${bindir}/`echo grub-script-check | sed "${transform}"`" |
ebd97f6e | 42 | |
b9fe6ea2 YB |
43 | GRUB_PREFIX=`echo '/@bootdirname@/@grubdirname@' | sed "s,//*,/,g"` |
44 | ||
68807e5f | 45 | # Usage: usage |
46 | # Print the usage. | |
47 | usage () { | |
48 | cat <<EOF | |
0ea7c4f9 | 49 | Usage: $self [OPTION] |
18ade780 | 50 | Generate a grub config file |
68807e5f | 51 | |
18ade780 | 52 | -o, --output=FILE output generated config to FILE [default=stdout] |
68807e5f | 53 | -h, --help print this message and exit |
54 | -v, --version print the version information and exit | |
68807e5f | 55 | |
56 | Report bugs to <bug-grub@gnu.org>. | |
57 | EOF | |
58 | } | |
59 | ||
b02c7c8f BC |
60 | argument () { |
61 | opt=$1 | |
62 | shift | |
63 | ||
64 | if test $# -eq 0; then | |
65 | echo "$0: option requires an argument -- '$opt'" 1>&2 | |
66 | exit 1 | |
67 | fi | |
68 | echo $1 | |
69 | } | |
70 | ||
68807e5f | 71 | # Check the arguments. |
7a64e28d BC |
72 | while test $# -gt 0 |
73 | do | |
74 | option=$1 | |
75 | shift | |
76 | ||
68807e5f | 77 | case "$option" in |
78 | -h | --help) | |
79 | usage | |
80 | exit 0 ;; | |
81 | -v | --version) | |
0ea7c4f9 | 82 | echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}" |
68807e5f | 83 | exit 0 ;; |
7a64e28d | 84 | -o | --output) |
b02c7c8f | 85 | grub_cfg=`argument $option "$@"`; shift;; |
880fc3c4 | 86 | --output=*) |
18ade780 | 87 | grub_cfg=`echo "$option" | sed 's/--output=//'` |
b39f9d20 | 88 | ;; |
68807e5f | 89 | -*) |
90 | echo "Unrecognized option \`$option'" 1>&2 | |
91 | usage | |
92 | exit 1 | |
93 | ;; | |
044e2e60 | 94 | # Explicitly ignore non-option arguments, for compatibility. |
68807e5f | 95 | esac |
96 | done | |
97 | ||
48b391e9 | 98 | . "${datadir}/@PACKAGE@/grub-mkconfig_lib" |
42c71976 | 99 | |
991477f8 | 100 | if [ "x$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 [ $root != t ] ; then | |
0ea7c4f9 | 116 | echo "$self: You must run this as root" >&2 |
b609876d | 117 | exit 1 |
118 | fi | |
ebd97f6e | 119 | fi |
120 | ||
2e610d62 | 121 | set $grub_probe dummy |
122 | if test -f "$1"; then | |
123 | : | |
124 | else | |
125 | echo "$1: Not found." 1>&2 | |
126 | exit 1 | |
ebd97f6e | 127 | fi |
128 | ||
601c84fd | 129 | mkdir -p ${GRUB_PREFIX} |
2e610d62 | 130 | |
cc85c3c3 | 131 | # Device containing our userland. Typically used for root= parameter. |
69ba137e | 132 | GRUB_DEVICE="`${grub_probe} --target=device /`" |
133 | GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true | |
62191274 | 134 | |
135 | # Device containing our /boot partition. Usually the same as GRUB_DEVICE. | |
69ba137e | 136 | GRUB_DEVICE_BOOT="`${grub_probe} --target=device /boot`" |
137 | GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true | |
57f96397 | 138 | |
139 | # Filesystem for the device containing our userland. Used for stuff like | |
140 | # choosing Hurd filesystem module. | |
99fd620d | 141 | GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`" |
57f96397 | 142 | |
ebd97f6e | 143 | if test -f ${sysconfdir}/default/grub ; then |
144 | . ${sysconfdir}/default/grub | |
145 | fi | |
146 | ||
651c29b7 | 147 | # XXX: should this be deprecated at some point? |
148 | if [ "x${GRUB_TERMINAL}" != "x" ] ; then | |
149 | GRUB_TERMINAL_INPUT="${GRUB_TERMINAL}" | |
150 | GRUB_TERMINAL_OUTPUT="${GRUB_TERMINAL}" | |
151 | fi | |
152 | ||
d5631db0 | 153 | termoutdefault=0 |
38e55e90 | 154 | if [ "x${GRUB_TERMINAL_OUTPUT}" = "x" ]; then |
d5631db0 VS |
155 | GRUB_TERMINAL_OUTPUT=gfxterm; |
156 | termoutdefault=1; | |
157 | fi | |
158 | ||
159 | for x in ${GRUB_TERMINAL_OUTPUT}; do | |
38e55e90 | 160 | if [ "x${x}" = "xgfxterm" ]; then |
d5631db0 VS |
161 | if [ -n "$GRUB_FONT" ] ; then |
162 | if is_path_readable_by_grub ${GRUB_FONT} > /dev/null ; then | |
163 | GRUB_FONT_PATH=${GRUB_FONT} | |
164 | else | |
165 | echo "No such font or not readable by grub: ${GRUB_FONT}" >&2 | |
166 | exit 1 | |
167 | fi | |
b969c52f | 168 | else |
b9fe6ea2 | 169 | for dir in ${pkgdatadir} ${GRUB_PREFIX} /usr/share/grub ; do |
d5631db0 VS |
170 | for basename in unicode unifont ascii; do |
171 | path="${dir}/${basename}.pf2" | |
172 | if is_path_readable_by_grub ${path} > /dev/null ; then | |
173 | GRUB_FONT_PATH=${path} | |
174 | else | |
175 | continue | |
176 | fi | |
177 | if [ "${basename}" = "ascii" ] ; then | |
178 | # make sure all our children behave in conformance with ascii.. | |
179 | export LANG=C | |
180 | fi | |
181 | break 2 | |
182 | done | |
183 | done | |
184 | fi | |
185 | if [ -z "${GRUB_FONT_PATH}" ] ; then | |
186 | if [ "x$termoutdefault" != "x1" ]; then | |
187 | echo "No font for gfxterm found." >&2 ; exit 1 | |
188 | fi | |
189 | GRUB_TERMINAL_OUTPUT= | |
b969c52f | 190 | fi |
29a6b9e8 | 191 | fi |
d5631db0 VS |
192 | done |
193 | ||
194 | for x in ${GRUB_TERMINAL_OUTPUT}; do | |
195 | case "x${x}" in | |
196 | xgfxterm) ;; | |
197 | xconsole | xserial | xofconsole) | |
198 | # make sure all our children behave in conformance with ascii.. | |
199 | export LANG=C;; | |
200 | *) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;; | |
201 | esac | |
202 | done | |
6193defe | 203 | |
57f96397 | 204 | # These are defined in this script, export them here so that user can |
205 | # override them. | |
9a10df16 | 206 | export GRUB_DEVICE \ |
207 | GRUB_DEVICE_UUID \ | |
208 | GRUB_DEVICE_BOOT \ | |
209 | GRUB_DEVICE_BOOT_UUID \ | |
210 | GRUB_FS \ | |
211 | GRUB_FONT_PATH \ | |
3b76e68b | 212 | GRUB_PRELOAD_MODULES \ |
601c84fd | 213 | GRUB_PREFIX |
57f96397 | 214 | |
215 | # These are optional, user-defined variables. | |
9a10df16 | 216 | export GRUB_DEFAULT \ |
217 | GRUB_HIDDEN_TIMEOUT \ | |
218 | GRUB_HIDDEN_TIMEOUT_QUIET \ | |
219 | GRUB_TIMEOUT \ | |
76e6d0d7 VS |
220 | GRUB_DEFAULT_BUTTON \ |
221 | GRUB_HIDDEN_TIMEOUT_BUTTON \ | |
222 | GRUB_TIMEOUT_BUTTON \ | |
223 | GRUB_BUTTON_CMOS_ADDRESS \ | |
eaf41b25 | 224 | GRUB_BUTTON_CMOS_CLEAN \ |
9a10df16 | 225 | GRUB_DISTRIBUTOR \ |
226 | GRUB_CMDLINE_LINUX \ | |
227 | GRUB_CMDLINE_LINUX_DEFAULT \ | |
19dcc490 VS |
228 | GRUB_CMDLINE_XEN \ |
229 | GRUB_CMDLINE_XEN_DEFAULT \ | |
f35fa3a6 CW |
230 | GRUB_CMDLINE_LINUX_XEN_REPLACE \ |
231 | GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT \ | |
0d2c20c6 GS |
232 | GRUB_CMDLINE_NETBSD \ |
233 | GRUB_CMDLINE_NETBSD_DEFAULT \ | |
9a10df16 | 234 | GRUB_TERMINAL_INPUT \ |
235 | GRUB_TERMINAL_OUTPUT \ | |
236 | GRUB_SERIAL_COMMAND \ | |
237 | GRUB_DISABLE_LINUX_UUID \ | |
219b3564 | 238 | GRUB_DISABLE_RECOVERY \ |
e4311a9f | 239 | GRUB_VIDEO_BACKEND \ |
5174302b | 240 | GRUB_GFXMODE \ |
d7c43ba1 | 241 | GRUB_BACKGROUND \ |
eb1c9594 | 242 | GRUB_THEME \ |
65a533e7 | 243 | GRUB_GFXPAYLOAD_LINUX \ |
0a39de87 | 244 | GRUB_DISABLE_OS_PROBER \ |
a0ca21c2 | 245 | GRUB_INIT_TUNE \ |
d500ed12 | 246 | GRUB_SAVEDEFAULT \ |
20a40940 | 247 | GRUB_ENABLE_CRYPTODISK \ |
d500ed12 | 248 | GRUB_BADRAM |
57f96397 | 249 | |
18ade780 | 250 | if test "x${grub_cfg}" != "x"; then |
251 | rm -f ${grub_cfg}.new | |
252 | exec > ${grub_cfg}.new | |
57f96397 | 253 | |
18ade780 | 254 | # Allow this to fail, since /boot/grub/ might need to be fatfs to support some |
255 | # firmware implementations (e.g. OFW or EFI). | |
8aa1541a | 256 | chmod 400 ${grub_cfg}.new || grub_warn "Could not make ${grub_cfg}.new readable by only root.\ |
257 | This means that if the generated config contains a password it is readable by everyone" | |
18ade780 | 258 | fi |
259 | echo "Generating grub.cfg ..." >&2 | |
ebd97f6e | 260 | |
261 | cat << EOF | |
262 | # | |
263 | # DO NOT EDIT THIS FILE | |
264 | # | |
0ea7c4f9 | 265 | # It is automatically generated by $self using templates |
f6fd460a | 266 | # from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub |
ebd97f6e | 267 | # |
268 | EOF | |
269 | ||
18ade780 | 270 | for i in ${grub_mkconfig_dir}/* ; do |
53b052de | 271 | case "$i" in |
ebd97f6e | 272 | # emacsen backup files. FIXME: support other editors |
273 | *~) ;; | |
6d1fa41f MZ |
274 | # emacsen autosave files. FIXME: support other editors |
275 | \#*\#) ;; | |
ebd97f6e | 276 | *) |
2f80039d | 277 | if grub_file_is_not_garbage "$i" && test -x "$i" ; then |
ebd97f6e | 278 | echo |
279 | echo "### BEGIN $i ###" | |
53b052de | 280 | "$i" |
ebd97f6e | 281 | echo "### END $i ###" |
282 | fi | |
283 | ;; | |
284 | esac | |
285 | done | |
286 | ||
18ade780 | 287 | if test "x${grub_cfg}" != "x" ; then |
4417aae6 | 288 | if ! ${grub_script_check} ${grub_cfg}.new; then |
75d8c629 | 289 | echo "Syntax errors are detected in generated GRUB config file." >&2 |
290 | echo "Ensure that there are no errors in /etc/default/grub" >&2 | |
291 | echo "and /etc/grub.d/* files or please file a bug report with" >&2 | |
292 | echo "${grub_cfg}.new file attached." >&2 | |
293 | else | |
294 | # none of the children aborted with error, install the new grub.cfg | |
295 | mv -f ${grub_cfg}.new ${grub_cfg} | |
296 | fi | |
18ade780 | 297 | fi |
ebd97f6e | 298 | |
299 | echo "done" >&2 |