|
55
by ago
Added init fixes for umountfs to make it skip /host folders (containing |
1 |
#!/bin/bash
|
2 |
#
|
|
3 |
# Insert a list of installed kernels in a grub config file
|
|
4 |
# Copyright 2001 Wichert Akkerman <wichert@linux.com>
|
|
5 |
#
|
|
6 |
# This file is free software; you can redistribute it and/or modify it
|
|
7 |
# under the terms of the GNU General Public License as published by
|
|
8 |
# the Free Software Foundation; either version 2 of the License, or
|
|
9 |
# (at your option) any later version.
|
|
10 |
#
|
|
11 |
# This program is distributed in the hope that it will be useful, but
|
|
12 |
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
13 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
14 |
# General Public License for more details.
|
|
15 |
#
|
|
16 |
# You should have received a copy of the GNU General Public License
|
|
17 |
# along with this program; if not, write to the Free Software
|
|
18 |
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
19 |
#
|
|
20 |
# Contributors:
|
|
21 |
# Jason Thomas <jason@debian.org>
|
|
22 |
# David B.Harris <dbarclay10@yahoo.ca>
|
|
23 |
# Marc Haber <mh@zugschlus.de>
|
|
24 |
# Crispin Flowerday <crispin@zeus.com>
|
|
25 |
||
26 |
# Abort on errors
|
|
27 |
set -e
|
|
28 |
||
29 |
host_os=`uname -s | tr '[A-Z]' '[a-z]'` |
|
30 |
||
31 |
abort() { |
|
32 |
message=$@ |
|
33 |
||
34 |
echo >&2
|
|
35 |
printf '%s\n' "$message" >&2 |
|
36 |
echo >&2
|
|
37 |
exit 1
|
|
38 |
}
|
|
39 |
||
40 |
find_grub_dir ()
|
|
41 |
{
|
|
42 |
echo -n "Searching for GRUB installation directory ... " >&2 |
|
43 |
||
44 |
for d in $grub_dirs ; do |
|
45 |
if [ -d "$d" ] ; then |
|
46 |
grub_dir="$d" |
|
47 |
break
|
|
48 |
fi |
|
49 |
done
|
|
50 |
|
|
51 |
if [ -z "$grub_dir" ] ; then |
|
52 |
abort "No GRUB directory found. |
|
53 |
To create a template run 'mkdir /boot/grub' first.
|
|
54 |
To install grub, install it manually or try the 'grub-install' command.
|
|
55 |
### Warning, grub-install is used to change your MBR. ###"
|
|
56 |
else
|
|
57 |
echo "found: $grub_dir" >&2 |
|
58 |
fi
|
|
59 |
||
60 |
echo $grub_dir |
|
61 |
}
|
|
62 |
||
63 |
find_device ()
|
|
64 |
{
|
|
65 |
mount_point=$1 |
|
66 |
||
67 |
# Autodetect current root device
|
|
68 |
device= |
|
69 |
if [ -f /etc/fstab ] ; then |
|
70 |
while read DEV MNT FOO; do |
|
71 |
if `echo "$DEV" | grep -q "^#"`; then |
|
72 |
continue
|
|
73 |
fi
|
|
74 |
if [ "$MNT" = "$mount_point" ]; then |
|
75 |
device="$DEV"; |
|
76 |
fi
|
|
77 |
done < /etc/fstab
|
|
78 |
fi
|
|
79 |
||
80 |
if [ -n "$device" ] ; then |
|
81 |
case "$device" in |
|
82 |
LABEL=* | UUID=*) |
|
83 |
device=`readlink -f "$(findfs $device)"` |
|
84 |
;; |
|
85 |
*)
|
|
86 |
device=`readlink -f "$device"` |
|
87 |
;; |
|
88 |
esac
|
|
89 |
fi
|
|
90 |
||
91 |
echo $device |
|
92 |
}
|
|
93 |
||
94 |
find_root_device ()
|
|
95 |
{
|
|
96 |
device=$(find_device "/") |
|
97 |
||
98 |
if [ -z "$device" ]; then |
|
99 |
echo "Cannot determine root device. Assuming /dev/hda1" >&2 |
|
100 |
echo "This error is probably caused by an invalid /etc/fstab" >&2 |
|
101 |
device=/dev/hda1 |
|
102 |
fi
|
|
103 |
||
104 |
echo $device |
|
105 |
}
|
|
106 |
||
107 |
# Usage: convert_raid1 os_device
|
|
108 |
# Checks if os_device is a software raid1.
|
|
109 |
# If so, converts to first physical device in array.
|
|
110 |
convert_raid1 ()
|
|
111 |
{
|
|
112 |
case $1 in |
|
113 |
/dev/md[0-9]) |
|
114 |
: ;; # Continue
|
|
115 |
*)
|
|
116 |
return 1 ;;
|
|
117 |
esac
|
|
118 |
||
119 |
[ -x /sbin/mdadm ] || return 1 |
|
120 |
||
121 |
# Check that the raid device is raid1
|
|
122 |
raidlevel=$(mdadm -D -b $1 | grep "^ARRAY" | \ |
|
123 |
sed "s/^.*level=//" | cut -d" " -f1) |
|
124 |
[ "$raidlevel" = "raid1" ] || return 1 |
|
125 |
||
126 |
# Take only the first device that makes up the raid
|
|
127 |
raiddev=$(mdadm -D $1 | grep -A1 "Number" | grep "dev" \ |
|
128 |
| sed "s/^.*\(\/dev\/.*\)$/\1/") |
|
129 |
[ -n "$raiddev" ] || return 1 |
|
130 |
||
131 |
echo $raiddev |
|
132 |
return 0
|
|
133 |
}
|
|
134 |
||
135 |
# Usage: convert os_device
|
|
136 |
# Convert an OS device to the corresponding GRUB drive.
|
|
137 |
# This part is OS-specific.
|
|
138 |
convert () { |
|
139 |
# First, check if the device file exists.
|
|
140 |
if test -e "$1"; then |
|
141 |
: |
|
142 |
else
|
|
143 |
echo "$1: Not found or not a block device." 1>&2 |
|
144 |
exit 1
|
|
145 |
fi
|
|
146 |
||
147 |
host_os=`uname -s | tr '[[:upper:]]' '[[:lower:]]'` |
|
148 |
||
149 |
# Break the device name into the disk part and the partition part.
|
|
150 |
case "$host_os" in |
|
151 |
linux)
|
|
152 |
tmp_disk=`echo "$1" | sed -e 's%\([sh]d[[:lower:]]\)[0-9]*$%\1%' \ |
|
153 |
-e 's%\(fd[0-9]*\)$%\1%' \ |
|
154 |
-e 's%/part[0-9]*$%/disc%' \ |
|
155 |
-e 's%\(c[0-7]d[0-9]*\).*$%\1%'` |
|
156 |
tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[[:lower:]]\([0-9]*\)$%\1%' \ |
|
157 |
-e 's%.*/fd[0-9]*$%%' \ |
|
158 |
-e 's%.*/floppy/[0-9]*$%%' \ |
|
159 |
-e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \ |
|
160 |
-e 's%.*c[0-7]d[0-9]*p*%%'` |
|
161 |
;; |
|
162 |
gnu)
|
|
163 |
tmp_disk=`echo "$1" | sed 's%\([sh]d[0-9]*\).*%\1%'` |
|
164 |
tmp_part=`echo "$1" | sed "s%$tmp_disk%%"` ;; |
|
165 |
freebsd|*/kfreebsd)
|
|
166 |
tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%\1%' \ |
|
167 |
| sed 's%r\{0,1\}\(da[0-9]*\).*$%\1%'` |
|
168 |
tmp_part=`echo "$1" \ |
|
169 |
| sed "s%.*/r\{0,1\}[saw]d[0-9]\(s[0-9]*[a-h]\)%\1%" \ |
|
170 |
| sed "s%.*/r\{0,1\}da[0-9]\(s[0-9]*[a-h]\)%\1%"` |
|
171 |
;; |
|
172 |
netbsd|*/knetbsd)
|
|
173 |
tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([sw]d[0-9]*\).*$%r\1d%' \ |
|
174 |
| sed 's%r\{0,1\}\(fd[0-9]*\).*$%r\1a%'` |
|
175 |
tmp_part=`echo "$1" \ |
|
176 |
| sed "s%.*/r\{0,1\}[sw]d[0-9]\([abe-p]\)%\1%"` |
|
177 |
;; |
|
178 |
*)
|
|
179 |
echo "update-grub does not support your OS yet." 1>&2 |
|
180 |
exit 1 ;;
|
|
181 |
esac
|
|
182 |
||
183 |
# Get the drive name.
|
|
184 |
tmp_drive=`grep -v '^#' $device_map | grep "$tmp_disk *$" \ |
|
185 |
| sed 's%.*\(([hf]d[0-9][a-z0-9,]*)\).*%\1%'` |
|
186 |
||
187 |
# If not found, print an error message and exit.
|
|
188 |
if test "x$tmp_drive" = x; then |
|
189 |
echo "$1 does not have any corresponding BIOS drive." 1>&2 |
|
190 |
exit 1
|
|
191 |
fi
|
|
192 |
||
193 |
if test "x$tmp_part" != x; then |
|
194 |
# If a partition is specified, we need to translate it into the
|
|
195 |
# GRUB's syntax.
|
|
196 |
case "$host_os" in |
|
197 |
linux)
|
|
198 |
echo "$tmp_drive" | sed "s%)$%,`expr $tmp_part - 1`)%" ;; |
|
199 |
gnu)
|
|
200 |
if echo $tmp_part | grep "^s" >/dev/null; then |
|
201 |
tmp_pc_slice=`echo $tmp_part \ |
|
202 |
| sed "s%s\([0-9]*\)[a-z]*$%\1%"` |
|
203 |
tmp_drive=`echo "$tmp_drive" \ |
|
204 |
| sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"` |
|
205 |
fi
|
|
206 |
if echo $tmp_part | grep "[a-z]$" >/dev/null; then |
|
207 |
tmp_bsd_partition=`echo "$tmp_part" \ |
|
208 |
| sed "s%[^a-z]*\([a-z]\)$%\1%"` |
|
209 |
tmp_drive=`echo "$tmp_drive" \ |
|
210 |
| sed "s%)%,$tmp_bsd_partition)%"` |
|
211 |
fi
|
|
212 |
echo "$tmp_drive" ;; |
|
213 |
freebsd|*/kfreebsd)
|
|
214 |
if echo $tmp_part | grep "^s" >/dev/null; then |
|
215 |
tmp_pc_slice=`echo $tmp_part \ |
|
216 |
| sed "s%s\([0-9]*\)[a-h]*$%\1%"` |
|
217 |
tmp_drive=`echo "$tmp_drive" \ |
|
218 |
| sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"` |
|
219 |
fi
|
|
220 |
if echo $tmp_part | grep "[a-h]$" >/dev/null; then |
|
221 |
tmp_bsd_partition=`echo "$tmp_part" \ |
|
222 |
| sed "s%s\{0,1\}[0-9]*\([a-h]\)$%\1%"` |
|
223 |
tmp_drive=`echo "$tmp_drive" \ |
|
224 |
| sed "s%)%,$tmp_bsd_partition)%"` |
|
225 |
fi
|
|
226 |
echo "$tmp_drive" ;; |
|
227 |
netbsd|*/knetbsd)
|
|
228 |
if echo $tmp_part | grep "^[abe-p]$" >/dev/null; then |
|
229 |
tmp_bsd_partition=`echo "$tmp_part" \ |
|
230 |
| sed "s%\([a-p]\)$%\1%"` |
|
231 |
tmp_drive=`echo "$tmp_drive" \ |
|
232 |
| sed "s%)%,$tmp_bsd_partition)%"` |
|
233 |
fi
|
|
234 |
echo "$tmp_drive" ;; |
|
235 |
esac
|
|
236 |
else
|
|
237 |
# If no partition is specified, just print the drive name.
|
|
238 |
echo "$tmp_drive" |
|
239 |
fi
|
|
240 |
}
|
|
241 |
||
242 |
# Usage: convert_default os_device
|
|
243 |
# Convert an OS device to the corresponding GRUB drive.
|
|
244 |
# Calls OS-specific convert, and returns a default of
|
|
245 |
# (hd0,0) if anything goes wrong
|
|
246 |
convert_default () { |
|
247 |
# Check if device is software raid1 array
|
|
248 |
if tmp_dev=$(convert_raid1 $1 2>/dev/null) ; then |
|
249 |
: # Use device returned by convert_raid1
|
|
250 |
else
|
|
251 |
tmp_dev=$1 |
|
252 |
fi
|
|
253 |
||
254 |
if tmp=$(convert $tmp_dev 2>/dev/null) ; then |
|
255 |
echo $tmp |
|
256 |
else
|
|
257 |
echo "(hd0,0)" |
|
258 |
fi
|
|
259 |
}
|
|
260 |
||
261 |
is_removable () { |
|
262 |
removabledevice="$(echo "$1" | sed -e 's%\([sh]d[a-z]\)[0-9]*$%\1%' -e 's%\(fd[0-9]*\)$%\1%' -e 's%/part[0-9]*$%/disc%' -e 's%\(c[0-7]d[0-9]*\).*$%\1%' -e 's%^/dev/%%g')" |
|
263 |
if [ -e "/sys/block/$removabledevice/removable" ]; then |
|
264 |
if [ "$(cat /sys/block/$removabledevice/removable)" != "0" ]; then |
|
265 |
echo "/dev/$removabledevice" |
|
266 |
return
|
|
267 |
fi
|
|
268 |
fi
|
|
269 |
echo "" |
|
270 |
}
|
|
271 |
||
272 |
## Configuration Options
|
|
273 |
# directory's to look for the grub installation and the menu file
|
|
274 |
grub_dirs="/boot/grub /boot/boot/grub" |
|
275 |
||
276 |
# The grub installation directory
|
|
277 |
grub_dir=$(find_grub_dir) |
|
278 |
||
279 |
# Full path to the menu.lst
|
|
280 |
menu_file_basename=menu.lst |
|
281 |
menu_file=$grub_dir/$menu_file_basename |
|
282 |
||
283 |
# Full path to the default file
|
|
284 |
default_file_basename=default |
|
285 |
default_file=$grub_dir/$default_file_basename |
|
286 |
||
287 |
# the device for the / filesystem
|
|
288 |
root_device=$(find_root_device) |
|
289 |
||
290 |
# the device for the /boot filesystem
|
|
291 |
boot_device=$(find_device "/boot") |
|
292 |
||
293 |
# Full path to the device.map
|
|
294 |
device_map=$grub_dir/device.map |
|
295 |
||
296 |
# Enable crashdump menu alternative
|
|
297 |
crashdump="0" |
|
298 |
||
299 |
# Default kernel options, overidden by the kopt statement in the menufile.
|
|
300 |
host_device=$(awk '($2 == "/host") {print $1}' /proc/mounts) |
|
301 |
loop_file=$(awk '($1 ~ "/host/.*" && $2 == "/") {print $1}' /etc/fstab) |
|
302 |
loop_file=${loop_file#/host} |
|
303 |
if [ -n "$host_device" ] && [ -n "$loop_file" ]; then |
|
|
62
by ago
Reset boot_device to force kernelDir=/boot (otherwise it becomes empty) |
304 |
boot_device= |
|
55
by ago
Added init fixes for umountfs to make it skip /host folders (containing |
305 |
root_device="$host_device" |
306 |
default_kopt="root=$host_device loop=$loop_file ro" |
|
307 |
else
|
|
308 |
default_kopt="root=$root_device ro" |
|
309 |
fi
|
|
310 |
kopt="$default_kopt" |
|
311 |
||
312 |
# Title
|
|
313 |
title=$(lsb_release --short --description 2>/dev/null) || title="Ubuntu" |
|
314 |
||
315 |
# should update-grub remember the default entry
|
|
316 |
updatedefaultentry="false" |
|
317 |
||
318 |
# Drive(in GRUB terms) where the kernel is located. Overridden by the
|
|
319 |
# kopt statement in menufile.
|
|
320 |
# if we don't have a device.map then we can't use the convert function.
|
|
321 |
check_removable="" |
|
322 |
if test -f "$device_map" ; then |
|
323 |
if test -z "$boot_device" ; then |
|
324 |
grub_root_device=$(convert_default "$root_device") |
|
325 |
check_removable="$(is_removable "$root_device")" |
|
326 |
else
|
|
327 |
grub_root_device=$(convert_default "$boot_device") |
|
328 |
check_removable="$(is_removable "$boot_device")" |
|
329 |
fi
|
|
330 |
else
|
|
331 |
grub_root_device="(hd0,0)" |
|
332 |
fi
|
|
333 |
||
334 |
# If the root/boot device is on a removable target, we need to override
|
|
335 |
# the grub_root_device to (hd0,X). This is a requirement since the BIOS
|
|
336 |
# will change device mapping dynamically if we switch boot device.
|
|
337 |
||
338 |
if test -n "$check_removable" ; then |
|
339 |
grub_root_device="$(echo "$grub_root_device" | sed -e 's/d.*,/d0,/g')" |
|
340 |
fi
|
|
341 |
||
342 |
# should grub create the alternative boot options in the menu
|
|
343 |
alternative="true" |
|
344 |
||
345 |
# should grub lock the alternative boot options in the menu
|
|
346 |
lockalternative="false" |
|
347 |
||
348 |
# additional options to use with the default boot option, but not with the
|
|
349 |
# alternatives
|
|
350 |
defoptions="quiet splash" |
|
351 |
||
352 |
# should grub lock the old kernels
|
|
353 |
lockold="false" |
|
354 |
||
355 |
# Xen hypervisor options to use with the default Xen boot option
|
|
356 |
xenhopt="" |
|
357 |
||
358 |
# Xen Linux kernel options to use with the default Xen boot option
|
|
359 |
xenkopt="console=tty0" |
|
360 |
||
361 |
# options to use with the alternative boot options
|
|
362 |
altoptions="(recovery mode) single" |
|
363 |
||
364 |
# controls howmany kernels are listed in the config file,
|
|
365 |
# this does not include the alternative kernels
|
|
366 |
howmany="all" |
|
367 |
||
368 |
# should grub create a memtest86 entry
|
|
369 |
memtest86="true" |
|
370 |
||
371 |
# should grub add "savedefault" to default boot options
|
|
372 |
savedefault="false" |
|
373 |
||
374 |
# stores the command line arguments
|
|
375 |
command_line_arguments=$1 |
|
376 |
||
377 |
# does this version of grub support the quiet option?
|
|
378 |
if [ -f ${grub_dir}/installed-version ] && dpkg --compare-versions `cat ${grub_dir}/installed-version` ge 0.97-11ubuntu4; then |
|
379 |
supports_quiet=true |
|
380 |
else
|
|
381 |
supports_quiet=false |
|
382 |
fi
|
|
383 |
||
384 |
# read user configuration
|
|
385 |
if test -f "/etc/default/grub" ; then |
|
386 |
. /etc/default/grub |
|
387 |
fi
|
|
388 |
||
389 |
# Default options to use in a new config file. This will only be used if $menu_file
|
|
390 |
# doesn't already exist. Only edit the lines between the two "EOF"s. The others are
|
|
391 |
# part of the script.
|
|
392 |
newtemplate=$(tempfile) |
|
393 |
cat > "$newtemplate" <<EOF |
|
394 |
# $menu_file_basename - See: grub(8), info grub, update-grub(8)
|
|
395 |
# grub-install(8), grub-floppy(8),
|
|
396 |
# grub-md5-crypt, /usr/share/doc/grub
|
|
397 |
# and /usr/share/doc/grub-doc/.
|
|
398 |
||
399 |
## default num
|
|
400 |
# Set the default entry to the entry number NUM. Numbering starts from 0, and
|
|
401 |
# the entry number 0 is the default if the command is not used.
|
|
402 |
#
|
|
403 |
# You can specify 'saved' instead of a number. In this case, the default entry
|
|
404 |
# is the entry saved with the command 'savedefault'.
|
|
405 |
# WARNING: If you are using dmraid do not use 'savedefault' or your
|
|
406 |
# array will desync and will not let you boot your system.
|
|
407 |
default 0
|
|
408 |
||
409 |
## timeout sec
|
|
410 |
# Set a timeout, in SEC seconds, before automatically booting the default entry
|
|
411 |
# (normally the first entry defined).
|
|
412 |
timeout 3
|
|
413 |
||
414 |
## hiddenmenu
|
|
415 |
# Hides the menu by default (press ESC to see the menu)
|
|
416 |
hiddenmenu
|
|
417 |
||
418 |
# Pretty colours
|
|
419 |
#color cyan/blue white/blue
|
|
420 |
||
421 |
## password ['--md5'] passwd
|
|
422 |
# If used in the first section of a menu file, disable all interactive editing
|
|
423 |
# control (menu entry editor and command-line) and entries protected by the
|
|
424 |
# command 'lock'
|
|
425 |
# e.g. password topsecret
|
|
426 |
# password --md5 \$1\$gLhU0/\$aW78kHK1QfV3P2b2znUoe/
|
|
427 |
# password topsecret
|
|
428 |
||
429 |
#
|
|
430 |
# examples
|
|
431 |
#
|
|
432 |
# title Windows 95/98/NT/2000
|
|
433 |
# root (hd0,0)
|
|
434 |
# makeactive
|
|
435 |
# chainloader +1
|
|
436 |
#
|
|
437 |
# title Linux
|
|
438 |
# root (hd0,1)
|
|
439 |
# kernel /vmlinuz root=/dev/hda2 ro
|
|
440 |
#
|
|
441 |
||
442 |
#
|
|
443 |
# Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST
|
|
444 |
||
445 |
EOF
|
|
446 |
## End Configuration Options
|
|
447 |
||
448 |
echo -n "Searching for default file ... " >&2 |
|
449 |
if [ -f "$default_file" ] ; then |
|
450 |
echo "found: $default_file" >&2 |
|
451 |
else
|
|
452 |
echo "Generating $default_file file and setting the default boot entry to 0" >&2 |
|
453 |
grub-set-default 0 |
|
454 |
fi
|
|
455 |
||
456 |
# Make sure we use the standard sorting order
|
|
457 |
LC_COLLATE=C |
|
458 |
# Magic markers we use
|
|
459 |
start="### BEGIN AUTOMAGIC KERNELS LIST" |
|
460 |
end="### END DEBIAN AUTOMAGIC KERNELS LIST" |
|
461 |
||
462 |
startopt="## ## Start Default Options ##" |
|
463 |
endopt="## ## End Default Options ##" |
|
464 |
||
465 |
# Extract options from config file
|
|
466 |
ExtractMenuOpt()
|
|
467 |
{
|
|
468 |
opt=$1 |
|
469 |
||
470 |
sed -ne "/^$start\$/,/^$end\$/ {
|
|
471 |
/^$startopt\$/,/^$endopt\$/ {
|
|
472 |
/^# $opt=/ {
|
|
473 |
s/^# $opt=\(.*\)\$/\1/
|
|
474 |
p
|
|
475 |
}
|
|
476 |
}
|
|
477 |
}" $menu |
|
478 |
}
|
|
479 |
||
480 |
GetMenuOpts()
|
|
481 |
{
|
|
482 |
opt=$1 |
|
483 |
||
484 |
sed -ne "/^$start\$/,/^$end\$/ {
|
|
485 |
/^$startopt\$/,/^$endopt\$/ {
|
|
486 |
/^# $opt=/ {
|
|
487 |
p
|
|
488 |
}
|
|
489 |
}
|
|
490 |
}" $menu |
|
491 |
}
|
|
492 |
||
493 |
ExtractMenuOpts()
|
|
494 |
{
|
|
495 |
opt=$1 |
|
496 |
||
497 |
GetMenuOpts $opt | sed "s/^# $opt=\(.*\)\$/\1=\"\2\"/" |
|
498 |
}
|
|
499 |
||
500 |
GetMenuOpt()
|
|
501 |
{
|
|
502 |
opt=$1 |
|
503 |
value=$2 |
|
504 |
||
505 |
[ -z "$(GetMenuOpts "$opt")" ] || value=$(ExtractMenuOpt "$opt") |
|
506 |
||
507 |
echo $value |
|
508 |
}
|
|
509 |
||
510 |
# Compares two version strings A and B
|
|
511 |
# Returns -1 if A<B
|
|
512 |
# 0 if A==B
|
|
513 |
# 1 if A>B
|
|
514 |
# This compares version numbers of the form
|
|
515 |
# 2.4.14.2 > 2.4.14
|
|
516 |
# 2.4.14random = 2.4.14-random > 2.4.14-ac10 > 2.4.14 > 2.4.14-pre2 >
|
|
517 |
# 2.4.14-pre1 > 2.4.13-ac99
|
|
518 |
CompareVersions()
|
|
519 |
{
|
|
520 |
#Changes the line something-x.y.z into somthing-x.y.z.q
|
|
521 |
#This is to ensure that kernels with a .q is treated as higher than the ones without
|
|
522 |
#First a space is put after the version number
|
|
523 |
v1=$(echo $1 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2,3\}[0-9]\+\)\(.*\)!\1 \3!g') |
|
524 |
v2=$(echo $2 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2,3\}[0-9]\+\)\(.*\)!\1 \3!g') |
|
525 |
#If the version number only has 3 digits then put in another .0
|
|
526 |
v1=$(echo $v1 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2\}[0-9]\+\)\( .*\|$\)!\1.0 \3!g') |
|
527 |
v2=$(echo $v2 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2\}[0-9]\+\)\( .*\|$\)!\1.0 \3!g') |
|
528 |
||
529 |
# Then split the version number and remove any '.' 's or dashes
|
|
530 |
v1=$(echo $v1 | sed -e 's![-\.]\+! !g' -e 's!\([0-9]\)\([[:alpha:]]\)!\1 \2!') |
|
531 |
v2=$(echo $v2 | sed -e 's![-\.]\+! !g' -e 's!\([0-9]\)\([[:alpha:]]\)!\1 \2!') |
|
532 |
||
533 |
# we weight different kernel suffixes here
|
|
534 |
# ac = 50
|
|
535 |
# pre = -50
|
|
536 |
# rc = -40
|
|
537 |
# test = -60
|
|
538 |
# others are given 99
|
|
539 |
v1=$(echo $v1 | sed -e 's! k7! 786 !g' -e 's! ac! 50 !g' -e 's! rc! -40 !g' -e 's! pre! -50 !g' -e 's! test! -60 !g' -e 's![^ ]*[^-0-9 ][^ ]*!99!g') |
|
540 |
||
541 |
v2=$(echo $v2 | sed -e 's! k7! 786 !g' -e 's! ac! 50 !g' -e 's! rc! -40 !g' -e 's! pre! -50 !g' -e 's! test! -60 !g' -e 's![^ ]*[^-0-9 ][^ ]*!99!g') |
|
542 |
||
543 |
result=0; v1finished=0; v2finished=0; |
|
544 |
while [ $result -eq 0 ] && [ $v1finished -eq 0 ] && [ $v2finished -eq 0 ]; |
|
545 |
do
|
|
546 |
if [ "$v1" = "" ]; then |
|
547 |
v1comp=0; v1finished=1 |
|
548 |
else
|
|
549 |
set -- $v1; v1comp=$1; shift; v1=$* |
|
550 |
fi
|
|
551 |
||
552 |
if [ "$v2" = "" ]; then |
|
553 |
v2comp=0; v2finished=1 |
|
554 |
else
|
|
555 |
set -- $v2; v2comp=$1; shift; v2=$* |
|
556 |
fi
|
|
557 |
|
|
558 |
set +e |
|
559 |
result=`expr $v1comp - $v2comp` |
|
560 |
result=`expr substr $result 1 2` |
|
561 |
set -e
|
|
562 |
||
563 |
if [ $result -gt 0 ]; then result=1 |
|
564 |
elif [ $result -lt 0 ]; then result=-1 |
|
565 |
fi
|
|
566 |
done
|
|
567 |
||
568 |
# finally return the result
|
|
569 |
echo $result |
|
570 |
}
|
|
571 |
||
572 |
# looks in the directory specified for an initrd image with the version specified
|
|
573 |
FindInitrdName()
|
|
574 |
{
|
|
575 |
# strip trailing slashes
|
|
576 |
directory=$(echo $1 | sed -e 's#/*$##') |
|
577 |
version=$2 |
|
578 |
||
579 |
# initrd
|
|
580 |
# initrd.img
|
|
581 |
# initrd-lvm
|
|
582 |
# .*.gz
|
|
583 |
||
584 |
initrdName="" |
|
585 |
names="initrd initrd.img initrd-lvm" |
|
586 |
compressed="gz" |
|
587 |
||
588 |
for n in $names ; do |
|
589 |
# make sure we haven't already found it
|
|
590 |
if [ -z "$initrdName" ] ; then |
|
591 |
if [ -f "$directory/$n$version" ] ; then |
|
592 |
initrdName="$n$version" |
|
593 |
break
|
|
594 |
else |
|
595 |
for c in $compressed ; do |
|
596 |
if [ -f "$directory/$n$version.$c" ] ; then |
|
597 |
initrdName="$n$version.$c" |
|
598 |
break
|
|
599 |
fi |
|
600 |
done
|
|
601 |
fi
|
|
602 |
else
|
|
603 |
break |
|
604 |
fi |
|
605 |
done
|
|
606 |
||
607 |
# return the result
|
|
608 |
echo $initrdName |
|
609 |
}
|
|
610 |
||
611 |
FindXenHypervisorVersions ()
|
|
612 |
{
|
|
613 |
version=$1 |
|
614 |
||
615 |
if [ -f "/var/lib/linux-image-$version/xen-versions" ]; then |
|
616 |
ret="$(cat /var/lib/linux-image-$version/xen-versions)" |
|
617 |
fi
|
|
618 |
||
619 |
echo $ret |
|
620 |
}
|
|
621 |
||
622 |
get_kernel_opt()
|
|
623 |
{
|
|
624 |
kernel_version=$1 |
|
625 |
||
626 |
version=$(echo $kernel_version | sed 's/^[^0-9]*//') |
|
627 |
version=$(echo $version | sed 's/[-\+\.]/_/g') |
|
628 |
if [ -n "$version" ] ; then |
|
629 |
while [ -n "$version" ] ; do |
|
630 |
currentOpt="$(eval "echo \${kopt_$version}")" |
|
631 |
if [ -n "$currentOpt" ] ; then |
|
632 |
break |
|
633 |
fi |
|
634 |
||
635 |
oldversion="$version" |
|
636 |
version=$(echo $version | sed 's/_\?[^_]*$//') |
|
637 |
if [ "$version" = "$oldversion" ] ; then |
|
638 |
# Break infinite loop, if the version isn't what we expect
|
|
639 |
break
|
|
640 |
fi |
|
641 |
done
|
|
642 |
fi
|
|
643 |
||
644 |
if [ -z "$currentOpt" ] ; then |
|
645 |
currentOpt=$kopt |
|
646 |
fi
|
|
647 |
||
648 |
echo $currentOpt |
|
649 |
}
|
|
650 |
||
651 |
write_kernel_entry()
|
|
652 |
{
|
|
653 |
local kernel_version; kernel_version=$1; shift |
|
654 |
local recovery_desc; recovery_desc=$1; shift |
|
655 |
local lock_alternative; lock_alternative=$1; shift |
|
656 |
local grub_root_device; grub_root_device=$1; shift |
|
657 |
local kernel; kernel=$1; shift |
|
658 |
local kernel_options; kernel_options=$1; shift |
|
659 |
local recovery_suffix; recovery_suffix=$1; shift |
|
660 |
local initrd; initrd=$1; shift |
|
661 |
local savedefault; savedefault=$1; shift |
|
662 |
local lockold; lockold=$1; shift |
|
663 |
local hypervisor
|
|
664 |
if [ -n "$1" ]; then |
|
665 |
# Hypervisor.
|
|
666 |
hypervisor=$1; shift |
|
667 |
local hypervisor_image; hypervisor_image=$1; shift |
|
668 |
local hypervisor_version; hypervisor_version=$1; shift |
|
669 |
local hypervisor_options; hypervisor_options=$1; shift |
|
670 |
fi |
|
671 |
||
672 |
echo -n "title " >> $buffer |
|
673 |
||
674 |
if [ -n "$hypervisor" ]; then |
|
675 |
echo -n "$hypervisor $hypervisor_version / " >> $buffer |
|
676 |
fi
|
|
677 |
||
678 |
echo -n "$title" >> $buffer |
|
679 |
if [ -n "$kernel_version" ]; then |
|
680 |
echo -n ", " >> $buffer |
|
681 |
# memtest86 is not strictly a kernel
|
|
682 |
if ! echo "$kernel_version" | grep -q ^memtest86; then |
|
683 |
echo -n "kernel " >> $buffer |
|
684 |
fi
|
|
685 |
echo -n "$kernel_version" >> $buffer |
|
686 |
fi
|
|
687 |
if [ -n "$recovery_desc" ]; then |
|
688 |
echo -n " $recovery_desc" >> $buffer |
|
689 |
fi
|
|
690 |
echo >> $buffer |
|
691 |
||
692 |
# lock the alternative options
|
|
693 |
if test x"$lock_alternative" = x"true" ; then |
|
694 |
echo "lock" >> $buffer |
|
695 |
fi
|
|
696 |
# lock the old entries
|
|
697 |
if test x"$lockold" = x"true" ; then |
|
698 |
echo "lock" >> $buffer |
|
699 |
fi
|
|
700 |
||
|
65
by ago
Use find command instead of root command in update-grub to go around different grub4dos device mapping ordering |
701 |
if [ -n "$host_device" ] && [ -n "$loop_file" ]; then |
|
67
by ago
Grub4dos find command does not support relative paths, added workaround |
702 |
host_boot_dir=${grub_root_device#*)} |
|
68
by ago
Find command does not work on directories |
703 |
echo "find --set-root --ignore-floppies $host_boot_dir/boot/grub/menu.lst" >> $buffer |
|
65
by ago
Use find command instead of root command in update-grub to go around different grub4dos device mapping ordering |
704 |
else
|
705 |
echo "root $grub_root_device" >> $buffer |
|
706 |
fi
|
|
707 |
|
|
|
55
by ago
Added init fixes for umountfs to make it skip /host folders (containing |
708 |
echo -n "kernel " >> $buffer |
709 |
if [ -n "$hypervisor" ]; then |
|
710 |
echo -n "$hypervisor_image" >> $buffer |
|
711 |
if [ -n "$hypervisor_options" ]; then |
|
712 |
echo -n " $hypervisor_options" >> $buffer |
|
713 |
fi
|
|
714 |
echo >> $buffer |
|
715 |
echo -n "module " >> $buffer |
|
716 |
fi
|
|
|
67
by ago
Grub4dos find command does not support relative paths, added workaround |
717 |
echo -n "$host_boot_dir$kernel" >> $buffer |
|
55
by ago
Added init fixes for umountfs to make it skip /host folders (containing |
718 |
if [ -n "$kernel_options" ]; then |
719 |
echo -n " $kernel_options" >> $buffer |
|
720 |
fi
|
|
721 |
if [ -n "$recovery_desc" ]; then |
|
722 |
echo -n " $recovery_suffix" >> $buffer |
|
723 |
fi
|
|
724 |
echo >> $buffer |
|
725 |
||
726 |
if [ -n "$initrd" ]; then |
|
727 |
if [ -n "$hypervisor" ]; then |
|
728 |
echo -n "module " >> $buffer |
|
729 |
else
|
|
730 |
echo -n "initrd " >> $buffer |
|
731 |
fi
|
|
|
67
by ago
Grub4dos find command does not support relative paths, added workaround |
732 |
echo "$host_boot_dir$initrd" >> $buffer |
|
55
by ago
Added init fixes for umountfs to make it skip /host folders (containing |
733 |
fi
|
734 |
||
735 |
if [ ! -n "$recovery_desc" -a x"$supports_quiet" = x"true" ]; then |
|
736 |
echo "quiet" >> $buffer |
|
737 |
fi
|
|
738 |
||
739 |
if test x"$savedefault" = x"true" ; then |
|
740 |
echo "savedefault" >> $buffer |
|
741 |
fi
|
|
742 |
echo >> $buffer |
|
743 |
}
|
|
744 |
||
745 |
convert_kopt_to_uuid()
|
|
746 |
{
|
|
747 |
local kopt; kopt=$1 |
|
748 |
||
749 |
convert=false |
|
750 |
root=$(echo "$kopt" | sed 's/.*root=//;s/ .*//') |
|
751 |
case "$root" in |
|
752 |
UUID=*|LABEL=*) |
|
753 |
;; |
|
754 |
/dev/disk/*)
|
|
755 |
;; |
|
756 |
/dev/mapper/*)
|
|
757 |
;; |
|
758 |
/dev/evms/[hs]d[a-z][0-9]*) |
|
759 |
convert=: |
|
760 |
;; |
|
761 |
/dev/evms/*)
|
|
762 |
;; |
|
763 |
/dev/md[0-9]*) |
|
764 |
;; |
|
765 |
/dev/*)
|
|
766 |
convert=: |
|
767 |
;; |
|
768 |
esac
|
|
769 |
if $convert; then |
|
770 |
if [ -L "$DEV" ] && readlink "$DEV" | grep -q "^/dev/mapper/" |
|
771 |
then
|
|
772 |
: |
|
773 |
elif [ -b "$root" ]; then |
|
774 |
uuid=$(/sbin/vol_id -u "$root" || true) |
|
775 |
if [ -n "$uuid" ]; then |
|
776 |
kopt=$(echo "$kopt" | sed "s/\(.*root=\)[^ ]*/\1UUID=$uuid/") |
|
777 |
fi
|
|
778 |
fi
|
|
779 |
fi
|
|
780 |
||
781 |
echo "$kopt" |
|
782 |
}
|
|
783 |
||
784 |
||
785 |
echo -n "Testing for an existing GRUB $menu_file_basename file ... " >&2 |
|
786 |
||
787 |
# Test if our menu file exists
|
|
788 |
if [ -f "$menu_file" ] ; then |
|
789 |
menu="$menu_file" |
|
790 |
rm -f $newtemplate
|
|
791 |
unset newtemplate
|
|
792 |
echo "found: $menu_file" >&2 |
|
793 |
cp -f "$menu_file" "$menu_file~" |
|
794 |
else
|
|
795 |
# if not ask user if they want us to create one
|
|
796 |
menu="$menu_file" |
|
797 |
echo >&2
|
|
798 |
echo >&2
|
|
799 |
echo -n "Could not find $menu_file file. " >&2 |
|
800 |
if [ "-y" = "$command_line_arguments" ] ; then |
|
801 |
echo >&2 |
|
802 |
echo "Generating $menu_file" >&2 |
|
803 |
answer=y |
|
804 |
else
|
|
805 |
echo -n "Would you like $menu_file generated for you? " >&2 |
|
806 |
echo -n "(y/N) " >&2 |
|
807 |
read answer
|
|
808 |
fi
|
|
809 |
||
810 |
case "$answer" in |
|
811 |
y* | Y*)
|
|
812 |
cat "$newtemplate" > $menu_file |
|
813 |
rm -f $newtemplate
|
|
814 |
unset newtemplate
|
|
815 |
;; |
|
816 |
*)
|
|
817 |
abort "Not creating $menu_file as you wish"
|
|
818 |
;; |
|
819 |
esac
|
|
820 |
fi
|
|
821 |
||
822 |
# Extract the crashdump var
|
|
823 |
crashdump=$(GetMenuOpt "crashdump" "$crashdump") |
|
824 |
||
825 |
# Extract the kernel options to use
|
|
826 |
kopt=$(GetMenuOpt "kopt" "$kopt") |
|
827 |
||
828 |
# Update the root device to mount-by-UUID
|
|
829 |
kopt=$(convert_kopt_to_uuid "$kopt") |
|
830 |
||
831 |
# Extract options for specific kernels
|
|
832 |
opts="$(ExtractMenuOpts "\(kopt_[[:alnum:]_]\+\)")" |
|
833 |
test -z "$opts" || eval "$opts" |
|
834 |
CustomKopts=$(GetMenuOpts "\(kopt_[[:alnum:]_]\+\)" | \ |
|
835 |
grep -v "^# kopt_2_6=" || true) |
|
836 |
||
837 |
# Set the kernel 2.6 option only for fresh install (but convert it to
|
|
838 |
# mount-by-UUID on upgrade)
|
|
839 |
test -z "$kopt_2_6" && test -z "$(GetMenuOpt "kopt" "")" && \ |
|
840 |
kopt_2_6="$default_kopt" |
|
841 |
test -n "$kopt_2_6" && kopt_2_6=$(convert_kopt_to_uuid "$kopt_2_6") |
|
842 |
||
843 |
# Extract the grub root
|
|
844 |
grub_root_device=$(GetMenuOpt "groot" "$grub_root_device") |
|
845 |
||
846 |
# Extract the old recovery value
|
|
847 |
alternative=$(GetMenuOpt "recovery" "$alternative") |
|
848 |
||
849 |
# Extract the alternative value
|
|
850 |
alternative=$(GetMenuOpt "alternative" "$alternative") |
|
851 |
||
852 |
# Extract the lockalternative value
|
|
853 |
lockalternative=$(GetMenuOpt "lockalternative" "$lockalternative") |
|
854 |
||
855 |
# Extract the additional default options
|
|
856 |
# Check nonaltoptions too for compatibility with Ubuntu <= 5.10
|
|
857 |
defoptions=$(GetMenuOpt "nonaltoptions" "$defoptions") |
|
858 |
defoptions=$(GetMenuOpt "defoptions" "$defoptions") |
|
859 |
||
860 |
# Extract the lockold value
|
|
861 |
lockold=$(GetMenuOpt "lockold" "$lockold") |
|
862 |
||
863 |
# Extract Xen hypervisor options
|
|
864 |
xenhopt=$(GetMenuOpt "xenhopt" "$xenhopt") |
|
865 |
||
866 |
# Extract Xen Linux kernel options
|
|
867 |
xenkopt=$(GetMenuOpt "xenkopt" "$xenkopt") |
|
868 |
||
869 |
# Extract the howmany value
|
|
870 |
howmany=$(GetMenuOpt "howmany" "$howmany") |
|
871 |
||
872 |
# Extract the memtest86 value
|
|
873 |
memtest86=$(GetMenuOpt "memtest86" "$memtest86") |
|
874 |
||
875 |
||
876 |
# Extract the updatedefaultentry option
|
|
877 |
updatedefaultentry=$(GetMenuOpt "updatedefaultentry" "$updatedefaultentry") |
|
878 |
||
879 |
# If "default saved" is in use, set the default to true
|
|
880 |
grep -q "^default.*saved" $menu && savedefault=true |
|
881 |
# Extract the savedefault option
|
|
882 |
savedefault=$(GetMenuOpt "savedefault" "$savedefault") |
|
883 |
||
884 |
# Generate the menu options we want to insert
|
|
885 |
buffer=$(tempfile) |
|
886 |
echo $start >> $buffer |
|
887 |
echo "## lines between the AUTOMAGIC KERNELS LIST markers will be modified" >> $buffer |
|
888 |
echo "## by the debian update-grub script except for the default options below" >> $buffer |
|
889 |
echo >> $buffer |
|
890 |
echo "## DO NOT UNCOMMENT THEM, Just edit them to your needs" >> $buffer |
|
891 |
echo >> $buffer |
|
892 |
echo "## ## Start Default Options ##" >> $buffer |
|
893 |
||
894 |
echo "## default kernel options" >> $buffer |
|
895 |
echo "## default kernel options for automagic boot options" >> $buffer |
|
896 |
echo "## If you want special options for specific kernels use kopt_x_y_z" >> $buffer |
|
897 |
echo "## where x.y.z is kernel version. Minor versions can be omitted." >> $buffer |
|
898 |
echo "## e.g. kopt=root=/dev/hda1 ro" >> $buffer |
|
899 |
echo "## kopt_2_6_8=root=/dev/hdc1 ro" >> $buffer |
|
900 |
echo "## kopt_2_6_8_2_686=root=/dev/hdc2 ro" >> $buffer |
|
901 |
echo "# kopt=$kopt" >> $buffer |
|
902 |
if [ -n "$kopt_2_6" ] && [ "$kopt" != "$kopt_2_6" ]; then |
|
903 |
echo "# kopt_2_6=$kopt_2_6" >> $buffer |
|
904 |
fi
|
|
905 |
if [ -n "$CustomKopts" ] ; then |
|
906 |
echo "$CustomKopts" >> $buffer |
|
907 |
fi
|
|
908 |
echo >> $buffer |
|
909 |
||
910 |
echo "## Setup crashdump menu entries" >> $buffer |
|
911 |
echo "## e.g. crashdump=1" >> $buffer |
|
912 |
echo "# crashdump=$crashdump" >> $buffer |
|
913 |
echo >> $buffer |
|
914 |
||
915 |
echo "## default grub root device" >> $buffer |
|
916 |
echo "## e.g. groot=(hd0,0)" >> $buffer |
|
917 |
echo "# groot=$grub_root_device" >> $buffer |
|
918 |
echo >> $buffer |
|
919 |
||
920 |
echo "## should update-grub create alternative automagic boot options" >> $buffer |
|
921 |
echo "## e.g. alternative=true" >> $buffer |
|
922 |
echo "## alternative=false" >> $buffer |
|
923 |
echo "# alternative=$alternative" >> $buffer |
|
924 |
echo >> $buffer |
|
925 |
||
926 |
echo "## should update-grub lock alternative automagic boot options" >> $buffer |
|
927 |
echo "## e.g. lockalternative=true" >> $buffer |
|
928 |
echo "## lockalternative=false" >> $buffer |
|
929 |
echo "# lockalternative=$lockalternative" >> $buffer |
|
930 |
echo >> $buffer |
|
931 |
||
932 |
echo "## additional options to use with the default boot option, but not with the" >> $buffer |
|
933 |
echo "## alternatives" >> $buffer |
|
934 |
echo "## e.g. defoptions=vga=791 resume=/dev/hda5" >> $buffer |
|
935 |
echo "# defoptions=$defoptions" >> $buffer |
|
936 |
echo >> $buffer |
|
937 |
||
938 |
echo "## should update-grub lock old automagic boot options" >> $buffer |
|
939 |
echo "## e.g. lockold=false" >> $buffer |
|
940 |
echo "## lockold=true" >> $buffer |
|
941 |
echo "# lockold=$lockold" >> $buffer |
|
942 |
echo >> $buffer |
|
943 |
||
944 |
echo "## Xen hypervisor options to use with the default Xen boot option" >> $buffer |
|
945 |
echo "# xenhopt=$xenhopt" >> $buffer |
|
946 |
echo >> $buffer |
|
947 |
||
948 |
echo "## Xen Linux kernel options to use with the default Xen boot option" >> $buffer |
|
949 |
echo "# xenkopt=$xenkopt" >> $buffer |
|
950 |
echo >> $buffer |
|
951 |
||
952 |
echo "## altoption boot targets option" >> $buffer |
|
953 |
echo "## multiple altoptions lines are allowed" >> $buffer |
|
954 |
echo "## e.g. altoptions=(extra menu suffix) extra boot options" >> $buffer |
|
955 |
echo "## altoptions=(recovery) single" >> $buffer |
|
956 |
||
957 |
if ! grep -q "^# altoptions" $menu ; then |
|
958 |
echo "# altoptions=$altoptions" >> $buffer |
|
959 |
else
|
|
960 |
grep "^# altoptions" $menu >> $buffer |
|
961 |
fi
|
|
962 |
echo >> $buffer |
|
963 |
||
964 |
echo "## controls how many kernels should be put into the $menu_file_basename" >> $buffer |
|
965 |
echo "## only counts the first occurence of a kernel, not the" >> $buffer |
|
966 |
echo "## alternative kernel options" >> $buffer |
|
967 |
echo "## e.g. howmany=all" >> $buffer |
|
968 |
echo "## howmany=7" >> $buffer |
|
969 |
echo "# howmany=$howmany" >> $buffer |
|
970 |
echo >> $buffer |
|
971 |
||
972 |
||
973 |
echo "## should update-grub create memtest86 boot option" >> $buffer |
|
974 |
echo "## e.g. memtest86=true" >> $buffer |
|
975 |
echo "## memtest86=false" >> $buffer |
|
976 |
echo "# memtest86=$memtest86" >> $buffer |
|
977 |
echo >> $buffer |
|
978 |
||
979 |
echo "## should update-grub adjust the value of the default booted system" >> $buffer |
|
980 |
echo "## can be true or false" >> $buffer |
|
981 |
echo "# updatedefaultentry=$updatedefaultentry" >> $buffer |
|
982 |
echo >> $buffer |
|
983 |
||
984 |
echo "## should update-grub add savedefault to the default options" >> $buffer |
|
985 |
echo "## can be true or false" >> $buffer |
|
986 |
echo "# savedefault=$savedefault" >> $buffer |
|
987 |
echo >> $buffer |
|
988 |
||
989 |
echo "## ## End Default Options ##" >> $buffer |
|
990 |
echo >> $buffer |
|
991 |
||
992 |
echo -n "Searching for splash image ... " >&2 |
|
993 |
current_splash=`grep '^splashimage=' ${menu_file} || true` |
|
994 |
splashimage_path="splashimage=${grub_root_device}${grub_dir##${boot_device:+/boot}}/splash.xpm.gz" |
|
995 |
if [ `sed -e "/^$start/,/^$end/d" $menu_file | grep -c '^splashimage='` != "0" ] ; then |
|
996 |
#checks for splashscreen defined outside the autoupdated part
|
|
997 |
splashimage=$(grep '^splashimage=' ${menu_file}) |
|
998 |
echo "found: ${splashimage##*=}" >&2 |
|
999 |
echo >&2
|
|
1000 |
elif [ -f "${grub_dir}/splash.xpm.gz" ] && [ "$current_splash" = "" ]; then |
|
1001 |
echo "found: /boot/grub/splash.xpm.gz" >&2 |
|
1002 |
echo "$splashimage_path" >> $buffer |
|
1003 |
echo >> $buffer |
|
1004 |
elif [ -f "${grub_dir}/splash.xpm.gz" ] && [ "$current_splash" = "$splashimage_path" ]; then |
|
1005 |
echo "found: /boot/grub/splash.xpm.gz" >&2 |
|
1006 |
echo "$splashimage_path" >> $buffer |
|
1007 |
echo >> $buffer |
|
1008 |
elif [ "$current_splash" != "" ] && [ "$current_splash" != "$splashimage_path" ]; then |
|
1009 |
echo "found but preserving previous setting: $(grep '^splashimage=' ${menu_file})" >&2 |
|
1010 |
echo "$current_splash" >> $buffer |
|
1011 |
echo >> $buffer |
|
1012 |
else
|
|
1013 |
echo "none found, skipping ..." >&2 |
|
1014 |
fi
|
|
1015 |
||
1016 |
||
1017 |
xenKernels="" |
|
1018 |
for ver in `grep -l CONFIG_XEN_PRIVILEGED_GUEST=y /boot/config* | sed -e s%/boot/config-%%`; do |
|
1019 |
# ver is a kernel version
|
|
1020 |
kern="/boot/vmlinuz-$ver" |
|
1021 |
if [ -r $kern ] ; then |
|
1022 |
newerKernels="" |
|
1023 |
for i in $xenKernels ; do |
|
1024 |
res=$(CompareVersions "$kern" "$i") |
|
1025 |
if [ "$kern" != "" ] && [ "$res" -gt 0 ] ; then |
|
1026 |
newerKernels="$newerKernels $kern $i" |
|
1027 |
kern="" |
|
1028 |
else
|
|
1029 |
newerKernels="$newerKernels $i" |
|
1030 |
fi
|
|
1031 |
done
|
|
1032 |
if [ "$kern" != "" ] ; then |
|
1033 |
newerKernels="$newerKernels $kern" |
|
1034 |
fi
|
|
1035 |
xenKernels="$newerKernels" |
|
1036 |
fi
|
|
1037 |
done
|
|
1038 |
||
1039 |
in_domU= |
|
1040 |
if [ -e /proc/xen/capabilities ] && ! grep -q "control_d" /proc/xen/capabilities; then |
|
1041 |
in_domU=1 |
|
1042 |
fi
|
|
1043 |
||
1044 |
sortedKernels="" |
|
1045 |
for kern in $(/bin/ls -1vr /boot | grep -v "dpkg-*" | grep "^vmlinuz-") ; do |
|
1046 |
if `echo "$xenKernels" | grep -q "$kern "` || `echo "$kern" | grep -q "xen"`; then |
|
1047 |
is_xen=1 |
|
1048 |
else
|
|
1049 |
is_xen= |
|
1050 |
fi
|
|
1051 |
||
1052 |
if [ ! "$in_domU" ] && [ "$is_xen" ]; then |
|
1053 |
# skip xen kernels
|
|
1054 |
continue
|
|
1055 |
elif [ "$in_domU" ] && ! [ "$is_xen" ]; then |
|
1056 |
# skip non-xen kernels
|
|
1057 |
continue
|
|
1058 |
fi
|
|
1059 |
kern="/boot/$kern" |
|
1060 |
newerKernels="" |
|
1061 |
for i in $sortedKernels ; do |
|
1062 |
res=$(CompareVersions "$kern" "$i") |
|
1063 |
if [ "$kern" != "" ] && [ "$res" -gt 0 ] ; then |
|
1064 |
newerKernels="$newerKernels $kern $i" |
|
1065 |
kern="" |
|
1066 |
else
|
|
1067 |
newerKernels="$newerKernels $i" |
|
1068 |
fi
|
|
1069 |
done
|
|
1070 |
if [ "$kern" != "" ] ; then |
|
1071 |
newerKernels="$newerKernels $kern" |
|
1072 |
fi
|
|
1073 |
sortedKernels="$newerKernels" |
|
1074 |
done
|
|
1075 |
||
1076 |
if test -f "/boot/vmlinuz.old" ; then |
|
1077 |
sortedKernels="/boot/vmlinuz.old $sortedKernels" |
|
1078 |
fi
|
|
1079 |
if test -f "/boot/vmlinuz" ; then |
|
1080 |
sortedKernels="/boot/vmlinuz $sortedKernels" |
|
1081 |
fi
|
|
1082 |
||
1083 |
hypervisors="" |
|
1084 |
for hyp in /boot/xen-*.gz; do |
|
1085 |
if [ ! -h "$hyp" ] && [ -f "$hyp" ]; then |
|
1086 |
hypervisors="$hypervisors `basename "$hyp"`" |
|
1087 |
fi
|
|
1088 |
done
|
|
1089 |
||
1090 |
# figure out where grub looks for the kernels at boot time
|
|
1091 |
kernel_dir=/boot |
|
1092 |
if [ -n "$boot_device" ] ; then |
|
1093 |
kernel_dir= |
|
1094 |
fi
|
|
1095 |
||
1096 |
#Finding the value the default line
|
|
1097 |
use_grub_set_default="false" |
|
1098 |
if test "$updatedefaultentry" = "true" ; then |
|
1099 |
defaultEntryNumber=$(sed -ne 's/^[[:blank:]]*default[[:blank:]]*\(.*\).*/\1/p' $menu) |
|
1100 |
||
1101 |
if [ "$defaultEntryNumber" = "saved" ] ; then |
|
1102 |
defaultEntryNumber=$(sed 'q' "$grub_dir/default") |
|
1103 |
use_grub_set_default="true" |
|
1104 |
fi
|
|
1105 |
|
|
1106 |
if test -n "$defaultEntryNumber"; then |
|
1107 |
defaultEntryNumberPlusOne=$(expr $defaultEntryNumber \+ 1); |
|
1108 |
defaultEntry=$(grep "^[[:blank:]]*title" $menu | sed -ne "${defaultEntryNumberPlusOne}p" | sed -ne ";s/^[[:blank:]]*title[[:blank:]]*//p") |
|
1109 |
defaultEntry=$(echo $defaultEntry | sed -e "s/[[:blank:]]*$//") # don't trust trailing blanks |
|
1110 |
else
|
|
1111 |
notChangeDefault="yes" |
|
1112 |
fi
|
|
1113 |
else
|
|
1114 |
notChangeDefault="yes" |
|
1115 |
fi
|
|
1116 |
||
1117 |
## heres where we start writing out the kernel entries
|
|
1118 |
counter=0 |
|
1119 |
||
1120 |
# Xen entries first.
|
|
1121 |
for kern in $xenKernels ; do |
|
1122 |
if test ! x"$howmany" = x"all" ; then |
|
1123 |
if [ $counter -gt $howmany ] ; then |
|
1124 |
break |
|
1125 |
fi |
|
1126 |
fi
|
|
1127 |
||
1128 |
kernelName=$(basename $kern) |
|
1129 |
kernelVersion=$(echo $kernelName | sed -e 's/vmlinuz//') |
|
1130 |
||
1131 |
initrdName=$(FindInitrdName "/boot" "$kernelVersion") |
|
1132 |
initrd="" |
|
1133 |
||
1134 |
kernel=$kernel_dir/$kernelName |
|
1135 |
if [ -n "$initrdName" ] ; then |
|
1136 |
initrd=$kernel_dir/$initrdName |
|
1137 |
fi
|
|
1138 |
||
1139 |
kernelVersion=$(echo $kernelVersion | sed -e 's/^-//') |
|
1140 |
currentOpt=$(get_kernel_opt $kernelVersion) |
|
1141 |
||
1142 |
hypervisorVersions=$(FindXenHypervisorVersions "$kernelVersion") |
|
1143 |
||
1144 |
found= |
|
1145 |
for hypervisorVersion in $hypervisorVersions; do |
|
1146 |
hypervisor="$kernel_dir/xen-$hypervisorVersion.gz" |
|
1147 |
if [ -e "$hypervisor" ]; then |
|
1148 |
found=1 |
|
1149 |
||
1150 |
echo "Found Xen hypervisor $hypervisorVersion, kernel: $kernel" >&2 |
|
1151 |
||
1152 |
write_kernel_entry "$kernelVersion" '' '' "$grub_root_device" \ |
|
1153 |
"$kernel" "$currentOpt $xenkopt" '' "$initrd" "$savedefault" '' \ |
|
1154 |
Xen "$hypervisor" "$hypervisorVersion" "$xenhopt" |
|
1155 |
counter=$(($counter + 1)) |
|
1156 |
fi
|
|
1157 |
done
|
|
1158 |
||
1159 |
if [ -z $found ]; then |
|
1160 |
for hypervisor in $hypervisors; do |
|
1161 |
hypVersion=`basename "$hypervisor" .gz | sed s%xen-%%` |
|
1162 |
||
1163 |
echo "Found Xen hypervisor $hypVersion, kernel: $kernel" >&2 |
|
1164 |
||
1165 |
write_kernel_entry "$kernelVersion" '' '' "$grub_root_device" \ |
|
1166 |
"$kernel" "$currentOpt $xenkopt" '' "$initrd" "$savedefault" '' \ |
|
1167 |
Xen "$kernel_dir/$hypervisor" "$hypVersion" "$xenhopt" |
|
1168 |
counter=$(($counter + 1)) |
|
1169 |
done
|
|
1170 |
fi
|
|
1171 |
done
|
|
1172 |
||
1173 |
for kern in $sortedKernels ; do |
|
1174 |
counter=$(($counter + 1)) |
|
1175 |
if test ! x"$howmany" = x"all" ; then |
|
1176 |
if [ $counter -gt $howmany ] ; then |
|
1177 |
break |
|
1178 |
fi |
|
1179 |
fi
|
|
1180 |
kernelName=$(basename $kern) |
|
1181 |
kernelVersion=$(echo $kernelName | sed -e 's/vmlinuz//') |
|
1182 |
initrdName=$(FindInitrdName "/boot" "$kernelVersion") |
|
1183 |
initrd="" |
|
1184 |
||
1185 |
kernel=$kernel_dir/$kernelName |
|
1186 |
if [ -n "$initrdName" ] ; then |
|
1187 |
initrd=$kernel_dir/$initrdName |
|
1188 |
fi
|
|
1189 |
||
1190 |
echo "Found kernel: $kernel" >&2 |
|
1191 |
||
1192 |
if [ "$kernelName" = "vmlinuz" ]; then |
|
1193 |
if [ -L "/boot/$kernelName" ]; then |
|
1194 |
kernelVersion=`readlink -f "/boot/$kernelName"` |
|
1195 |
kernelVersion=$(echo $kernelVersion | sed -e 's/.*vmlinuz-//') |
|
1196 |
kernelVersion="$kernelVersion Default" |
|
1197 |
else
|
|
1198 |
kernelVersion="Default" |
|
1199 |
fi
|
|
1200 |
fi
|
|
1201 |
if [ "$kernelName" = "vmlinuz.old" ]; then |
|
1202 |
if [ -L "/boot/$kernelName" ]; then |
|
1203 |
kernelVersion=`readlink -f "/boot/$kernelName"` |
|
1204 |
kernelVersion=$(echo $kernelVersion | sed -e 's/.*vmlinuz-//') |
|
1205 |
kernelVersion="$kernelVersion Previous" |
|
1206 |
else
|
|
1207 |
kernelVersion="Previous" |
|
1208 |
fi
|
|
1209 |
fi
|
|
1210 |
kernelVersion=$(echo $kernelVersion | sed -e 's/^-//') |
|
1211 |
||
1212 |
currentOpt=$(get_kernel_opt $kernelVersion) |
|
1213 |
||
1214 |
do_lockold=$lockold |
|
1215 |
# do not lockold for the first entry
|
|
1216 |
[ $counter -eq 1 ] && do_lockold=false |
|
1217 |
||
1218 |
write_kernel_entry "$kernelVersion" "" "" "$grub_root_device" "$kernel" \ |
|
1219 |
"$currentOpt $defoptions" "" "$initrd" "$savedefault" "$do_lockold" |
|
1220 |
||
1221 |
# insert the alternative boot options
|
|
1222 |
if test ! x"$alternative" = x"false" ; then |
|
1223 |
# for each altoptions line do this stuff
|
|
1224 |
sed -ne 's/# altoptions=\(.*\)/\1/p' $buffer | while read line; do |
|
1225 |
descr=$(echo $line | sed -ne 's/\(([^)]*)\)[[:space:]]\(.*\)/\1/p') |
|
1226 |
suffix=$(echo $line | sed -ne 's/\(([^)]*)\)[[:space:]]\(.*\)/\2/p') |
|
1227 |
||
1228 |
test x"$lockalternative" = x"true" && do_lockold=false |
|
1229 |
write_kernel_entry "$kernelVersion" "$descr" "$lockalternative" \ |
|
1230 |
"$grub_root_device" "$kernel" "$currentOpt" "$suffix" "$initrd" \ |
|
1231 |
"false" "$do_lockold" |
|
1232 |
done
|
|
1233 |
fi
|
|
1234 |
||
1235 |
if [ "$crashdump" = "1" ] ; then |
|
1236 |
test x"$lockalternative" = x"true" && do_lockold=false |
|
1237 |
write_kernel_entry "$kernelVersion" "(crashdump mode)" "$lockalternative" \ |
|
1238 |
"$grub_root_device" "$kernel" "$currentOpt" "crashkernel=64M@16M" "$initrd" \ |
|
1239 |
"false" "$do_lockold" |
|
1240 |
fi
|
|
1241 |
done
|
|
1242 |
||
1243 |
grub2name="/boot/grub/core.img" |
|
1244 |
if test -f $grub2name ; then |
|
1245 |
echo "Found GRUB 2: $grub2name" >&2 |
|
1246 |
cat >> $buffer << EOF |
|
1247 |
title Chainload into GRUB 2
|
|
1248 |
root $grub_root_device
|
|
1249 |
kernel $grub2name
|
|
1250 |
EOF
|
|
1251 |
if test x"$savedefault" = x"true" ; then |
|
1252 |
echo "savedefault" >> $buffer |
|
1253 |
fi
|
|
1254 |
echo >> $buffer |
|
1255 |
fi
|
|
1256 |
|
|
1257 |
memtest86names="memtest86 memtest86+" |
|
1258 |
||
1259 |
if test ! x"$memtest86" = x"false" ; then |
|
1260 |
for name in $memtest86names ; do |
|
1261 |
if test -f "/boot/$name.bin" ; then |
|
1262 |
kernelVersion="$name" |
|
1263 |
kernel="$kernel_dir/$name.bin" |
|
1264 |
currentOpt= |
|
1265 |
initrd= |
|
1266 |
||
1267 |
echo "Found kernel: $kernel" >&2 |
|
1268 |
||
1269 |
write_kernel_entry "$kernelVersion" "" "" "$grub_root_device" \ |
|
1270 |
"$kernel" "$currentOpt" "" "$initrd" "false" "" |
|
1271 |
fi
|
|
1272 |
done
|
|
1273 |
fi
|
|
1274 |
||
1275 |
echo $end >> $buffer |
|
1276 |
||
1277 |
echo -n "Updating $menu ... " >&2 |
|
1278 |
# Insert the new options into the menu
|
|
1279 |
if ! grep -q "^$start" $menu ; then |
|
1280 |
cat $buffer >> $menu |
|
1281 |
rm -f $buffer
|
|
1282 |
else
|
|
1283 |
umask 077 |
|
1284 |
sed -e "/^$start/,/^$end/{
|
|
1285 |
/^$start/r $buffer
|
|
1286 |
d
|
|
1287 |
}
|
|
1288 |
" $menu > $menu.new |
|
1289 |
cat $menu.new > $menu |
|
1290 |
rm -f $buffer $menu.new |
|
1291 |
fi
|
|
1292 |
||
1293 |
# Function to update the default value
|
|
1294 |
set_default_value() { |
|
1295 |
if [ "$use_grub_set_default" = "true" ] ; then |
|
1296 |
grub-set-default $1 |
|
1297 |
else
|
|
1298 |
value="$1" |
|
1299 |
newmenu=$(tempfile) |
|
1300 |
sed -e "s/^[[:blank:]]*default[[:blank:]]*[[:digit:]]*\(.*\)/default ${value}\1/;b" $menu > $newmenu |
|
1301 |
cat $newmenu > $menu |
|
1302 |
rm -f $newmenu
|
|
1303 |
unset newmenu
|
|
1304 |
fi
|
|
1305 |
}
|
|
1306 |
||
1307 |
#Updating the default number
|
|
1308 |
if test -z "$notChangeDefault"; then |
|
1309 |
newDefaultNumberPlusOne=$(grep "^[[:blank:]]*title[[:blank:]]*" $menu | grep -n "${defaultEntry}" | cut -f1 -d ":" | sed -ne "1p") |
|
1310 |
if test -z "$newDefaultNumberPlusOne"; then |
|
1311 |
echo "Previous default entry removed, resetting to 0">&2 |
|
1312 |
set_default_value "0"
|
|
1313 |
elif test -z "$defaultEntry"; then |
|
1314 |
echo "Value of default value matches no entry, resetting to 0" >&2 |
|
1315 |
set_default_value "0"
|
|
1316 |
else
|
|
1317 |
if test "$newDefaultNumberPlusOne" = "1"; then |
|
1318 |
newDefaultNumber="0" |
|
1319 |
else
|
|
1320 |
newDefaultNumber=$(expr $newDefaultNumberPlusOne - 1) |
|
1321 |
fi
|
|
1322 |
echo "Updating the default booting kernel">&2 |
|
1323 |
set_default_value "$newDefaultNumber"
|
|
1324 |
fi
|
|
1325 |
fi
|
|
1326 |
||
1327 |
echo "done" >&2 |
|
1328 |
echo >&2
|