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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@ |
29a6b9e8 | 27 | datarootdir=@datarootdir@ |
b969c52f | 28 | datadir=@datadir@ |
29 | pkgdatadir=${datadir}/`echo @PACKAGE_TARNAME@ | sed "${transform}"` | |
ebd97f6e | 30 | grub_prefix=`echo /boot/grub | 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: $0 [OPTION] | |
18ade780 | 42 | Generate a grub config file |
68807e5f | 43 | |
18ade780 | 44 | -o, --output=FILE output generated config to FILE [default=stdout] |
68807e5f | 45 | -h, --help print this message and exit |
46 | -v, --version print the version information and exit | |
68807e5f | 47 | |
48 | Report bugs to <bug-grub@gnu.org>. | |
49 | EOF | |
50 | } | |
51 | ||
52 | # Check the arguments. | |
53 | for option in "$@"; do | |
54 | case "$option" in | |
55 | -h | --help) | |
56 | usage | |
57 | exit 0 ;; | |
58 | -v | --version) | |
880e0a0c | 59 | echo "$0 (GNU GRUB ${package_version})" |
68807e5f | 60 | exit 0 ;; |
18ade780 | 61 | -o) |
62 | shift | |
63 | grub_cfg=$1 | |
64 | ;; | |
880fc3c4 | 65 | --output=*) |
18ade780 | 66 | grub_cfg=`echo "$option" | sed 's/--output=//'` |
b39f9d20 | 67 | ;; |
68807e5f | 68 | -*) |
69 | echo "Unrecognized option \`$option'" 1>&2 | |
70 | usage | |
71 | exit 1 | |
72 | ;; | |
73 | esac | |
74 | done | |
75 | ||
18ade780 | 76 | . ${libdir}/grub/grub-mkconfig_lib |
42c71976 | 77 | |
991477f8 | 78 | if [ "x$EUID" = "x" ] ; then |
79 | EUID=`id -u` | |
ebd97f6e | 80 | fi |
81 | ||
991477f8 | 82 | if [ "$EUID" != 0 ] ; then |
b609876d | 83 | root=f |
84 | case "`uname 2>/dev/null`" in | |
85 | CYGWIN*) | |
86 | # Cygwin: Assume root if member of admin group | |
87 | for g in `id -G 2>/dev/null` ; do | |
88 | case $g in | |
89 | 0|544) root=t ;; | |
90 | esac | |
91 | done ;; | |
92 | esac | |
93 | if [ $root != t ] ; then | |
94 | echo "$0: You must run this as root" >&2 | |
95 | exit 1 | |
96 | fi | |
ebd97f6e | 97 | fi |
98 | ||
2e610d62 | 99 | set $grub_mkdevicemap dummy |
100 | if test -f "$1"; then | |
101 | : | |
102 | else | |
103 | echo "$1: Not found." 1>&2 | |
104 | exit 1 | |
ebd97f6e | 105 | fi |
106 | ||
2e610d62 | 107 | set $grub_probe dummy |
108 | if test -f "$1"; then | |
109 | : | |
110 | else | |
111 | echo "$1: Not found." 1>&2 | |
112 | exit 1 | |
ebd97f6e | 113 | fi |
114 | ||
2e610d62 | 115 | mkdir -p ${grub_prefix} |
116 | ||
117 | if test -e ${grub_prefix}/device.map ; then : ; else | |
74b21bee | 118 | ${grub_mkdevicemap} |
ebd97f6e | 119 | fi |
120 | ||
cc85c3c3 | 121 | # Device containing our userland. Typically used for root= parameter. |
69ba137e | 122 | GRUB_DEVICE="`${grub_probe} --target=device /`" |
123 | GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true | |
62191274 | 124 | |
125 | # Device containing our /boot partition. Usually the same as GRUB_DEVICE. | |
69ba137e | 126 | GRUB_DEVICE_BOOT="`${grub_probe} --target=device /boot`" |
127 | GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_uuid 2> /dev/null`" || true | |
57f96397 | 128 | |
129 | # Filesystem for the device containing our userland. Used for stuff like | |
130 | # choosing Hurd filesystem module. | |
69ba137e | 131 | GRUB_FS="`${grub_probe} --target=fs / 2> /dev/null || echo unknown`" |
57f96397 | 132 | |
ebd97f6e | 133 | if test -f ${sysconfdir}/default/grub ; then |
134 | . ${sysconfdir}/default/grub | |
135 | fi | |
136 | ||
651c29b7 | 137 | # XXX: should this be deprecated at some point? |
138 | if [ "x${GRUB_TERMINAL}" != "x" ] ; then | |
139 | GRUB_TERMINAL_INPUT="${GRUB_TERMINAL}" | |
140 | GRUB_TERMINAL_OUTPUT="${GRUB_TERMINAL}" | |
141 | fi | |
142 | ||
143 | case x${GRUB_TERMINAL_OUTPUT} in | |
3b76e68b | 144 | x | xgfxterm) |
145 | # If this platform supports gfxterm, try to use it. | |
146 | if test -e ${grub_prefix}/gfxterm.mod ; then | |
dc0c71d9 RM |
147 | # FIXME: this should do something smarter than just loading first |
148 | # video backend. | |
149 | GRUB_VIDEO_BACKEND=$(head -n 1 ${grub_prefix}/video.lst || true) | |
3b76e68b | 150 | if [ -n "${GRUB_VIDEO_BACKEND}" ] ; then |
151 | GRUB_TERMINAL_OUTPUT=gfxterm | |
152 | elif [ "${GRUB_TERMINAL_OUTPUT}" = "gfxterm" ] ; then | |
153 | echo "No suitable backend could be found for gfxterm." >&2 ; exit 1 | |
154 | fi | |
155 | fi | |
156 | ;; | |
157 | xconsole | xserial | xofconsole) ;; | |
651c29b7 | 158 | *) echo "Invalid output terminal \"${GRUB_TERMINAL_OUTPUT}\"" >&2 ; exit 1 ;; |
6193defe | 159 | esac |
160 | ||
161 | # check for terminals that require fonts | |
651c29b7 | 162 | case ${GRUB_TERMINAL_OUTPUT} in |
6193defe | 163 | gfxterm) |
a78c8d24 | 164 | if [ -n "$GRUB_FONT" ] ; then |
165 | if is_path_readable_by_grub ${GRUB_FONT} > /dev/null ; then | |
166 | GRUB_FONT_PATH=${GRUB_FONT} | |
b969c52f | 167 | else |
a78c8d24 | 168 | echo "No such font or not readable by grub: ${GRUB_FONT}" >&2 |
169 | exit 1 | |
b969c52f | 170 | fi |
a78c8d24 | 171 | else |
172 | for dir in ${pkgdatadir} /boot/grub /usr/share/grub ; do | |
173 | for basename in unicode unifont ascii; do | |
174 | path="${dir}/${basename}.pf2" | |
175 | if is_path_readable_by_grub ${path} > /dev/null ; then | |
176 | GRUB_FONT_PATH=${path} | |
177 | else | |
178 | continue | |
179 | fi | |
180 | if [ "${basename}" = "ascii" ] ; then | |
181 | # make sure all our children behave in conformance with ascii.. | |
182 | export LANG=C | |
183 | fi | |
184 | break 2 | |
185 | done | |
b969c52f | 186 | done |
a78c8d24 | 187 | fi |
29a6b9e8 | 188 | if [ -z "${GRUB_FONT_PATH}" ] ; then |
189 | # fallback to the native terminal for this platform | |
190 | unset GRUB_TERMINAL_OUTPUT | |
191 | fi | |
6193defe | 192 | ;; |
52768e37 | 193 | *) |
6193defe | 194 | # make sure all our children behave in conformance with ascii.. |
195 | export LANG=C | |
6193defe | 196 | esac |
197 | ||
57f96397 | 198 | # These are defined in this script, export them here so that user can |
199 | # override them. | |
9a10df16 | 200 | export GRUB_DEVICE \ |
201 | GRUB_DEVICE_UUID \ | |
202 | GRUB_DEVICE_BOOT \ | |
203 | GRUB_DEVICE_BOOT_UUID \ | |
204 | GRUB_FS \ | |
205 | GRUB_FONT_PATH \ | |
3b76e68b | 206 | GRUB_PRELOAD_MODULES \ |
207 | GRUB_VIDEO_BACKEND | |
57f96397 | 208 | |
209 | # These are optional, user-defined variables. | |
9a10df16 | 210 | export GRUB_DEFAULT \ |
211 | GRUB_HIDDEN_TIMEOUT \ | |
212 | GRUB_HIDDEN_TIMEOUT_QUIET \ | |
213 | GRUB_TIMEOUT \ | |
214 | GRUB_DISTRIBUTOR \ | |
215 | GRUB_CMDLINE_LINUX \ | |
216 | GRUB_CMDLINE_LINUX_DEFAULT \ | |
217 | GRUB_TERMINAL_INPUT \ | |
218 | GRUB_TERMINAL_OUTPUT \ | |
219 | GRUB_SERIAL_COMMAND \ | |
220 | GRUB_DISABLE_LINUX_UUID \ | |
221 | GRUB_DISABLE_LINUX_RECOVERY \ | |
5174302b | 222 | GRUB_GFXMODE \ |
eb1c9594 | 223 | GRUB_THEME \ |
5174302b | 224 | GRUB_DISABLE_OS_PROBER |
57f96397 | 225 | |
18ade780 | 226 | if test "x${grub_cfg}" != "x"; then |
227 | rm -f ${grub_cfg}.new | |
228 | exec > ${grub_cfg}.new | |
57f96397 | 229 | |
18ade780 | 230 | # Allow this to fail, since /boot/grub/ might need to be fatfs to support some |
231 | # firmware implementations (e.g. OFW or EFI). | |
8aa1541a | 232 | chmod 400 ${grub_cfg}.new || grub_warn "Could not make ${grub_cfg}.new readable by only root.\ |
233 | This means that if the generated config contains a password it is readable by everyone" | |
18ade780 | 234 | fi |
235 | echo "Generating grub.cfg ..." >&2 | |
ebd97f6e | 236 | |
237 | cat << EOF | |
238 | # | |
239 | # DO NOT EDIT THIS FILE | |
240 | # | |
cc85c3c3 | 241 | # It is automatically generated by $0 using templates |
f6fd460a | 242 | # from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub |
ebd97f6e | 243 | # |
244 | EOF | |
245 | ||
18ade780 | 246 | for i in ${grub_mkconfig_dir}/* ; do |
53b052de | 247 | case "$i" in |
ebd97f6e | 248 | # emacsen backup files. FIXME: support other editors |
249 | *~) ;; | |
250 | *) | |
2f80039d | 251 | if grub_file_is_not_garbage "$i" && test -x "$i" ; then |
ebd97f6e | 252 | echo |
253 | echo "### BEGIN $i ###" | |
53b052de | 254 | "$i" |
ebd97f6e | 255 | echo "### END $i ###" |
256 | fi | |
257 | ;; | |
258 | esac | |
259 | done | |
260 | ||
18ade780 | 261 | if test "x${grub_cfg}" != "x" ; then |
262 | # none of the children aborted with error, install the new grub.cfg | |
263 | mv -f ${grub_cfg}.new ${grub_cfg} | |
264 | fi | |
ebd97f6e | 265 | |
266 | echo "done" >&2 |