| 1 | #!/bin/sh
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| 2 | #
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| 3 | # Insert a list of installed kernels in a grub menu.lst file
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| 4 | # Copyright 2001 Wichert Akkerman <wichert@linux.com>
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| 5 | #
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| 6 | # This file is free software; you can redistribute it and/or modify it
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| 7 | # under the terms of the GNU General Public License as published by
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| 8 | # the Free Software Foundation; either version 2 of the License, or
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| 9 | # (at your option) any later version.
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| 10 | #
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| 11 | # This program is distributed in the hope that it will be useful, but
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| 12 | # WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 14 | # General Public License for more details.
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| 15 | #
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| 16 | # You should have received a copy of the GNU General Public License
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| 17 | # along with this program; if not, write to the Free Software
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| 18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 19 | #
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| 20 | # Contributors:
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| 21 | # Jason Thomas <jason@debian.org>
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| 22 | # David B.Harris <dbarclay10@yahoo.ca>
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| 23 | # Marc Haber <mh@zugschlus.de>
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| 24 | # Crispin Flowerday <crispin@zeus.com>
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| 25 |
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| 26 | # Abort on errors
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| 27 | set -e
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| 28 |
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| 29 | host_os=`uname -s | tr '[A-Z]' '[a-z]'`
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| 30 |
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| 31 | abort() {
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| 32 | message=$@
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| 33 |
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| 34 | echo >&2
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| 35 | printf '%s\n' "$message" >&2
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| 36 | echo >&2
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| 37 | exit 1
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| 38 | }
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| 39 |
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| 40 | find_grub_dir ()
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| 41 | {
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| 42 | echo -n "Searching for GRUB installation directory ... " >&2
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| 43 |
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| 44 | for d in $grub_dirs ; do
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| 45 | if [ -d "$d" ] ; then
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| 46 | grub_dir="$d"
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| 47 | break
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| 48 | fi
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| 49 | done
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| 50 |
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| 51 | if [ -z "$grub_dir" ] ; then
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| 52 | abort "No GRUB directory found.
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| 53 | To create a template run 'mkdir /boot/grub' first.
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| 54 | To install grub, install it manually or try the 'grub-install' command.
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| 55 | ### Warning, grub-install is used to change your MBR. ###"
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| 56 | else
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| 57 | echo "found: $grub_dir" >&2
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| 58 | fi
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| 59 |
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| 60 | echo $grub_dir
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| 61 | }
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| 62 |
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| 63 | find_device ()
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| 64 | {
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| 65 | mount_point=$1
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| 66 |
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| 67 | # Autodetect current root device
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| 68 | device=
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| 69 | if [ -f /etc/fstab ] ; then
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| 70 | while read DEV MNT FOO; do
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| 71 | if `echo "$DEV" | grep -q "^#"`; then
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| 72 | continue
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| 73 | fi
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| 74 | if [ "$MNT" = "$mount_point" ]; then
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| 75 | device="$DEV";
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| 76 | fi
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| 77 | done < /etc/fstab
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| 78 | fi
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| 79 |
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| 80 | if [ -n "$device" ] ; then
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| 81 | case "$device" in
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| 82 | LABEL=* | UUID=*)
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| 83 | device=`readlink -f "$(findfs $device)"`
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| 84 | ;;
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| 85 | *)
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| 86 | device=`readlink -f "$device"`
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| 87 | ;;
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| 88 | esac
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| 89 | fi
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| 90 |
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| 91 | echo $device
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| 92 | }
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| 93 |
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| 94 | find_root_device ()
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| 95 | {
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| 96 | device=$(find_device "/")
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| 97 |
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| 98 | if [ -z "$device" ]; then
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| 99 | echo "Cannot determine root device. Assuming /dev/hda1" >&2
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| 100 | echo "This error is probably caused by an invalid /etc/fstab" >&2
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| 101 | device=/dev/hda1
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| 102 | fi
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| 103 |
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| 104 | echo $device
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| 105 | }
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| 106 |
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| 107 | # Usage: convert_kernel26 os_device
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| 108 | # Convert system path to the kernel26 notation
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| 109 | # I.e. /dev/ida/c0d0p2 -> /dev/ida!c0d0p2
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| 110 | convert_kernel26 ()
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| 111 | {
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| 112 | case "$1" in
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| 113 | /dev/rd/*)
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| 114 | echo "$1" | sed 's%^\(/dev/[^/]*\)/\(.*\)%\1!\2%'
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| 115 | ;;
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| 116 | *)
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| 117 | echo "$1"
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| 118 | ;;
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| 119 | esac
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| 120 | }
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| 121 |
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| 122 | # Usage: convert_raid1 os_device
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| 123 | # Checks if os_device is a software raid1.
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| 124 | # If so, converts to first physical device in array.
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| 125 | convert_raid1 ()
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| 126 | {
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| 127 | case $1 in
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| 128 | /dev/md[0-9])
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| 129 | : ;; # Continue
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| 130 | *)
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| 131 | return 1 ;;
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| 132 | esac
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| 133 |
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| 134 | [ -x /sbin/mdadm ] || return 1
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| 135 |
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| 136 | # Check that the raid device is raid1
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| 137 | raidlevel=$(mdadm -D -b $1 | grep "^ARRAY" | \
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| 138 | sed "s/^.*level=//" | cut -d" " -f1)
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| 139 | [ "$raidlevel" = "raid1" ] || return 1
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| 140 |
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| 141 | # Take only the first device that makes up the raid
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| 142 | raiddev=$(mdadm -D -b $1 | grep -A1 "Number" | grep "dev" | \
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| 143 | sed "s/^.*\(\/dev\/.*\)$/\1/")
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| 144 | [ -n "$raiddev" ] || return 1
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| 145 |
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| 146 | echo $raiddev
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| 147 | return 0
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| 148 | }
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| 149 |
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| 150 | # Usage: convert os_device
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| 151 | # Convert an OS device to the corresponding GRUB drive.
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| 152 | # This part is OS-specific.
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| 153 | convert () {
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| 154 | # First, check if the device file exists.
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| 155 | if test -e "$1"; then
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| 156 | :
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| 157 | else
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| 158 | echo "$1: Not found or not a block device." 1>&2
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| 159 | exit 1
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| 160 | fi
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| 161 |
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| 162 | host_os=`uname -s | tr '[[:upper:]]' '[[:lower:]]'`
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| 163 |
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| 164 | # Break the device name into the disk part and the partition part.
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| 165 | case "$host_os" in
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| 166 | linux)
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| 167 | tmp_disk=`echo "$1" | sed -e 's%\([sh]d[[:lower:]]\)[0-9]*$%\1%' \
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| 168 | -e 's%\(fd[0-9]*\)$%\1%' \
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| 169 | -e 's%/part[0-9]*$%/disc%' \
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| 170 | -e 's%\(c[0-7]d[0-9]*\).*$%\1%'`
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| 171 | tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[[:lower:]]\([0-9]*\)$%\1%' \
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| 172 | -e 's%.*/fd[0-9]*$%%' \
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| 173 | -e 's%.*/floppy/[0-9]*$%%' \
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| 174 | -e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \
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| 175 | -e 's%.*c[0-7]d[0-9]*p*%%'`
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| 176 | ;;
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| 177 | gnu)
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| 178 | tmp_disk=`echo "$1" | sed 's%\([sh]d[0-9]*\).*%\1%'`
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| 179 | tmp_part=`echo "$1" | sed "s%$tmp_disk%%"` ;;
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| 180 | freebsd|*/kfreebsd)
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| 181 | tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%\1%' \
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| 182 | | sed 's%r\{0,1\}\(da[0-9]*\).*$%\1%'`
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| 183 | tmp_part=`echo "$1" \
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| 184 | | sed "s%.*/r\{0,1\}[saw]d[0-9]\(s[0-9]*[a-h]\)%\1%" \
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| 185 | | sed "s%.*/r\{0,1\}da[0-9]\(s[0-9]*[a-h]\)%\1%"`
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| 186 | ;;
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| 187 | netbsd|*/knetbsd)
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| 188 | tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([sw]d[0-9]*\).*$%r\1d%' \
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| 189 | | sed 's%r\{0,1\}\(fd[0-9]*\).*$%r\1a%'`
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| 190 | tmp_part=`echo "$1" \
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| 191 | | sed "s%.*/r\{0,1\}[sw]d[0-9]\([abe-p]\)%\1%"`
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| 192 | ;;
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| 193 | *)
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| 194 | echo "update-grub does not support your OS yet." 1>&2
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| 195 | exit 1 ;;
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| 196 | esac
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| 197 |
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| 198 | # Get the drive name.
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| 199 | tmp_drive=`grep -v '^#' $device_map | grep "$tmp_disk *$" \
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| 200 | | sed 's%.*\(([hf]d[0-9][a-z0-9,]*)\).*%\1%'`
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| 201 |
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| 202 | # If not found, print an error message and exit.
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| 203 | if test "x$tmp_drive" = x; then
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| 204 | echo "$1 does not have any corresponding BIOS drive." 1>&2
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| 205 | exit 1
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| 206 | fi
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| 207 |
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| 208 | if test "x$tmp_part" != x; then
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| 209 | # If a partition is specified, we need to translate it into the
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| 210 | # GRUB's syntax.
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| 211 | case "$host_os" in
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| 212 | linux)
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| 213 | echo "$tmp_drive" | sed "s%)$%,`expr $tmp_part - 1`)%" ;;
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| 214 | gnu)
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| 215 | if echo $tmp_part | grep "^s" >/dev/null; then
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| 216 | tmp_pc_slice=`echo $tmp_part \
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| 217 | | sed "s%s\([0-9]*\)[a-z]*$%\1%"`
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| 218 | tmp_drive=`echo "$tmp_drive" \
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| 219 | | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"`
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| 220 | fi
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| 221 | if echo $tmp_part | grep "[a-z]$" >/dev/null; then
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| 222 | tmp_bsd_partition=`echo "$tmp_part" \
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| 223 | | sed "s%[^a-z]*\([a-z]\)$%\1%"`
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| 224 | tmp_drive=`echo "$tmp_drive" \
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| 225 | | sed "s%)%,$tmp_bsd_partition)%"`
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| 226 | fi
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| 227 | echo "$tmp_drive" ;;
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| 228 | freebsd|*/kfreebsd)
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| 229 | if echo $tmp_part | grep "^s" >/dev/null; then
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| 230 | tmp_pc_slice=`echo $tmp_part \
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| 231 | | sed "s%s\([0-9]*\)[a-h]*$%\1%"`
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| 232 | tmp_drive=`echo "$tmp_drive" \
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| 233 | | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"`
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| 234 | fi
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| 235 | if echo $tmp_part | grep "[a-h]$" >/dev/null; then
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| 236 | tmp_bsd_partition=`echo "$tmp_part" \
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| 237 | | sed "s%s\{0,1\}[0-9]*\([a-h]\)$%\1%"`
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| 238 | tmp_drive=`echo "$tmp_drive" \
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| 239 | | sed "s%)%,$tmp_bsd_partition)%"`
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| 240 | fi
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| 241 | echo "$tmp_drive" ;;
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| 242 | netbsd|*/knetbsd)
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| 243 | if echo $tmp_part | grep "^[abe-p]$" >/dev/null; then
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| 244 | tmp_bsd_partition=`echo "$tmp_part" \
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| 245 | | sed "s%\([a-p]\)$%\1%"`
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| 246 | tmp_drive=`echo "$tmp_drive" \
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| 247 | | sed "s%)%,$tmp_bsd_partition)%"`
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| 248 | fi
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| 249 | echo "$tmp_drive" ;;
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| 250 | esac
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| 251 | else
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| 252 | # If no partition is specified, just print the drive name.
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| 253 | echo "$tmp_drive"
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| 254 | fi
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| 255 | }
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| 256 |
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| 257 | # Usage: convert_default os_device
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| 258 | # Convert an OS device to the corresponding GRUB drive.
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| 259 | # Calls OS-specific convert, and returns a default of
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| 260 | # (hd0,0) if anything goes wrong
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| 261 | convert_default () {
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| 262 | # Check if device is software raid1 array
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| 263 | if tmp_dev=$(convert_raid1 $1 2>/dev/null) ; then
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| 264 | : # Use device returned by convert_raid1
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| 265 | else
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| 266 | tmp_dev=$1
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| 267 | fi
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| 268 |
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| 269 | if tmp=$(convert $tmp_dev 2>/dev/null) ; then
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| 270 | echo $tmp
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| 271 | else
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| 272 | echo "(hd0,0)"
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| 273 | fi
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| 274 | }
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| 275 |
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| 276 | is_removable () {
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| 277 | removabledevice="$(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%\(c[0-7]d[0-9]*\).*$%\1%' -e 's%^/dev/%%g')"
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| 278 | if [ -e "/sys/block/$removabledevice/removable" ]; then
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| 279 | if [ "$(cat /sys/block/$removabledevice/removable)" != "0" ]; then
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| 280 | echo "/dev/$removabledevice"
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| 281 | return
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| 282 | fi
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| 283 | fi
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| 284 | echo ""
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| 285 | }
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| 286 |
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| 287 | ## Configuration Options
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| 288 | # directory's to look for the grub installation and the menu file
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| 289 | grub_dirs="/boot/grub /boot/boot/grub"
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| 290 |
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| 291 | # The grub installation directory
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| 292 | grub_dir=$(find_grub_dir)
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| 293 |
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| 294 | # Full path to the menu.lst
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| 295 | menu_file=$grub_dir/menu.lst
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| 296 |
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| 297 | # the device for the / filesystem
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| 298 | root_device=$(find_root_device)
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| 299 | root_device_2_6=$(convert_kernel26 "$root_device")
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| 300 |
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| 301 | # the device for the /boot filesystem
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| 302 | boot_device=$(find_device "/boot")
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| 303 |
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| 304 | # Full path to the device.map
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| 305 | device_map=$grub_dir/device.map
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| 306 |
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| 307 | # Default kernel options, overidden by the kopt statement in the menufile.
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| 308 | kopt="root=$(awk '$2 == "/" {print $1}' /etc/fstab) ro"
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| 309 |
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| 310 | # Title
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| 311 | title="Ubuntu"
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| 312 |
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| 313 | # should update-grub remember the default entry
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| 314 | updatedefaultentry="false"
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| 315 |
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| 316 | # Drive(in GRUB terms) where the kernel is located. Overridden by the
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| 317 | # kopt statement in menufile.
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| 318 | # if we don't have a device.map then we can't use the convert function.
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| 319 | check_removable=""
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| 320 | if test -f "$device_map" ; then
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| 321 | if test -z "$boot_device" ; then
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| 322 | grub_root_device=$(convert_default "$root_device")
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| 323 | check_removable="$(is_removable "$root_device")"
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| 324 | else
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| 325 | grub_root_device=$(convert_default "$boot_device")
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| 326 | check_removable="$(is_removable "$boot_device")"
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| 327 | fi
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| 328 | else
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| 329 | grub_root_device="(hd0,0)"
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| 330 | fi
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| 331 |
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| 332 | # If the root/boot device is on a removable target, we need to override
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| 333 | # the grub_root_device to (hd0,X). This is a requirement since the BIOS
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| 334 | # will change device mapping dynamically if we switch boot device.
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| 335 |
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| 336 | if test -n "$check_removable" ; then
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| 337 | grub_root_device="$(echo "$grub_root_device" | sed -e 's/d.*,/d0,/g')"
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| 338 | fi
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| 339 |
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| 340 | # should grub create the alternative boot options in the menu
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| 341 | alternative="true"
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| 342 |
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| 343 | # should grub lock the alternative boot options in the menu
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| 344 | lockalternative="false"
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| 345 |
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| 346 | # additional options to use with the default boot option, but not with the
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| 347 | # alternatives
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| 348 | defoptions="quiet splash"
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| 349 |
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| 350 | # should grub lock the old kernels
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| 351 | lockold="false"
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| 352 |
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| 353 | # options to use with the alternative boot options
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| 354 | altoptions="(recovery mode) single"
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| 355 |
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| 356 | # controls howmany kernels are listed in the menu.lst,
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| 357 | # this does not include the alternative kernels
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| 358 | howmany="all"
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| 359 |
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| 360 | # should grub create a memtest86 entry
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| 361 | memtest86="true"
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| 362 |
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| 363 | # stores the command line arguments
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| 364 | command_line_arguments=$1
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| 365 |
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| 366 | # does this version of grub support the quiet option?
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| 367 | if [ -f ${grub_dir}/installed-version ] && dpkg --compare-versions `cat ${grub_dir}/installed-version` ge 0.97-11ubuntu4; then
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| 368 | supports_quiet=true
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| 369 | else
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| 370 | supports_quiet=false
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| 371 | fi
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| 372 |
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| 373 | # read user configuration
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| 374 | if test -f "/etc/default/grub" ; then
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| 375 | . /etc/default/grub
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| 376 | fi
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| 377 |
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| 378 | # Default options to use in a new menu.lst . This will only be used if menu.lst
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| 379 | # doesn't already exist. Only edit the lines between the two "EOF"s. The others are
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| 380 | # part of the script.
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| 381 | newtemplate=$(tempfile)
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| 382 | cat > "$newtemplate" <<EOF
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| 383 | # menu.lst - See: grub(8), info grub, update-grub(8)
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| 384 | # grub-install(8), grub-floppy(8),
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| 385 | # grub-md5-crypt, /usr/share/doc/grub
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| 386 | # and /usr/share/doc/grub-doc/.
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| 387 |
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| 388 | ## default num
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| 389 | # Set the default entry to the entry number NUM. Numbering starts from 0, and
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| 390 | # the entry number 0 is the default if the command is not used.
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| 391 | #
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| 392 | # You can specify 'saved' instead of a number. In this case, the default entry
|
|---|
| 393 | # is the entry saved with the command 'savedefault'.
|
|---|
| 394 | # WARNING: If you are using dmraid do not change this entry to 'saved' or your
|
|---|
| 395 | # array will desync and will not let you boot your system.
|
|---|
| 396 | default 0
|
|---|
| 397 |
|
|---|
| 398 | ## timeout sec
|
|---|
| 399 | # Set a timeout, in SEC seconds, before automatically booting the default entry
|
|---|
| 400 | # (normally the first entry defined).
|
|---|
| 401 | timeout 3
|
|---|
| 402 |
|
|---|
| 403 | ## hiddenmenu
|
|---|
| 404 | # Hides the menu by default (press ESC to see the menu)
|
|---|
| 405 | hiddenmenu
|
|---|
| 406 |
|
|---|
| 407 | # Pretty colours
|
|---|
| 408 | #color cyan/blue white/blue
|
|---|
| 409 |
|
|---|
| 410 | ## password ['--md5'] passwd
|
|---|
| 411 | # If used in the first section of a menu file, disable all interactive editing
|
|---|
| 412 | # control (menu entry editor and command-line) and entries protected by the
|
|---|
| 413 | # command 'lock'
|
|---|
| 414 | # e.g. password topsecret
|
|---|
| 415 | # password --md5 \$1\$gLhU0/\$aW78kHK1QfV3P2b2znUoe/
|
|---|
| 416 | # password topsecret
|
|---|
| 417 |
|
|---|
| 418 | #
|
|---|
| 419 | # examples
|
|---|
| 420 | #
|
|---|
| 421 | # title Windows 95/98/NT/2000
|
|---|
| 422 | # root (hd0,0)
|
|---|
| 423 | # makeactive
|
|---|
| 424 | # chainloader +1
|
|---|
| 425 | #
|
|---|
| 426 | # title Linux
|
|---|
| 427 | # root (hd0,1)
|
|---|
| 428 | # kernel /vmlinuz root=/dev/hda2 ro
|
|---|
| 429 | #
|
|---|
| 430 |
|
|---|
| 431 | #
|
|---|
| 432 | # Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST
|
|---|
| 433 |
|
|---|
| 434 | EOF
|
|---|
| 435 | ## End Configuration Options
|
|---|
| 436 |
|
|---|
| 437 |
|
|---|
| 438 | # Make sure we use the standard sorting order
|
|---|
| 439 | LC_COLLATE=C
|
|---|
| 440 | # Magic markers we use
|
|---|
| 441 | start="### BEGIN AUTOMAGIC KERNELS LIST"
|
|---|
| 442 | end="### END DEBIAN AUTOMAGIC KERNELS LIST"
|
|---|
| 443 |
|
|---|
| 444 | startopt="## ## Start Default Options ##"
|
|---|
| 445 | endopt="## ## End Default Options ##"
|
|---|
| 446 |
|
|---|
| 447 | # Extract options from menu.lst
|
|---|
| 448 | ExtractMenuOpt()
|
|---|
| 449 | {
|
|---|
| 450 | opt=$1
|
|---|
| 451 |
|
|---|
| 452 | sed -ne "/^$start\$/,/^$end\$/ {
|
|---|
| 453 | /^$startopt\$/,/^$endopt\$/ {
|
|---|
| 454 | /^# $opt=/ {
|
|---|
| 455 | s/^# $opt=\(.*\)\$/\1/
|
|---|
| 456 | p
|
|---|
| 457 | }
|
|---|
| 458 | }
|
|---|
| 459 | }" $menu
|
|---|
| 460 | }
|
|---|
| 461 |
|
|---|
| 462 | GetMenuOpts()
|
|---|
| 463 | {
|
|---|
| 464 | opt=$1
|
|---|
| 465 |
|
|---|
| 466 | sed -ne "/^$start\$/,/^$end\$/ {
|
|---|
| 467 | /^$startopt\$/,/^$endopt\$/ {
|
|---|
| 468 | /^# $opt=/ {
|
|---|
| 469 | p
|
|---|
| 470 | }
|
|---|
| 471 | }
|
|---|
| 472 | }" $menu
|
|---|
| 473 | }
|
|---|
| 474 |
|
|---|
| 475 | ExtractMenuOpts()
|
|---|
| 476 | {
|
|---|
| 477 | opt=$1
|
|---|
| 478 |
|
|---|
| 479 | GetMenuOpts $opt | sed "s/^# $opt=\(.*\)\$/\1=\"\2\"/"
|
|---|
| 480 | }
|
|---|
| 481 |
|
|---|
| 482 | GetMenuOpt()
|
|---|
| 483 | {
|
|---|
| 484 | opt=$1
|
|---|
| 485 | value=$2
|
|---|
| 486 |
|
|---|
| 487 | tmp=$(ExtractMenuOpt "$opt")
|
|---|
| 488 |
|
|---|
| 489 | [ -z "$tmp" ] || value="$tmp"
|
|---|
| 490 |
|
|---|
| 491 | echo $value
|
|---|
| 492 | }
|
|---|
| 493 |
|
|---|
| 494 | # Compares two version strings A and B
|
|---|
| 495 | # Returns -1 if A<B
|
|---|
| 496 | # 0 if A==B
|
|---|
| 497 | # 1 if A>B
|
|---|
| 498 | # This compares version numbers of the form
|
|---|
| 499 | # 2.4.14.2 > 2.4.14
|
|---|
| 500 | # 2.4.14random = 2.4.14-random > 2.4.14-ac10 > 2.4.14 > 2.4.14-pre2 >
|
|---|
| 501 | # 2.4.14-pre1 > 2.4.13-ac99
|
|---|
| 502 | CompareVersions()
|
|---|
| 503 | {
|
|---|
| 504 | #Changes the line something-x.y.z into somthing-x.y.z.q
|
|---|
| 505 | #This is to ensure that kernels with a .q is treated as higher than the ones without
|
|---|
| 506 | #First a space is put after the version number
|
|---|
| 507 | v1=$(echo $1 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2,3\}[0-9]\+\)\(.*\)!\1 \3!g')
|
|---|
| 508 | v2=$(echo $2 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2,3\}[0-9]\+\)\(.*\)!\1 \3!g')
|
|---|
| 509 | #If the version number only has 3 digits then put in another .0
|
|---|
| 510 | v1=$(echo $v1 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2\}[0-9]\+\)\( .*\)!\1.0 \3!g')
|
|---|
| 511 | v2=$(echo $v2 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2\}[0-9]\+\)\( .*\)!\1.0 \3!g')
|
|---|
| 512 |
|
|---|
| 513 | # Then split the version number and remove any '.' 's or dashes
|
|---|
| 514 | v1=$(echo $v1 | sed -e 's![-\.]\+! !g' -e 's!\([0-9]\)\([[:alpha:]]\)!\1 \2!')
|
|---|
| 515 | v2=$(echo $v2 | sed -e 's![-\.]\+! !g' -e 's!\([0-9]\)\([[:alpha:]]\)!\1 \2!')
|
|---|
| 516 |
|
|---|
| 517 | # we weight different kernel suffixes here
|
|---|
| 518 | # ac = 50
|
|---|
| 519 | # pre = -50
|
|---|
| 520 | # rc = -40
|
|---|
| 521 | # test = -60
|
|---|
| 522 | # others are given 99
|
|---|
| 523 | v1=$(echo $v1 | sed -e 's! k7! 786 !g' -e 's! ac! 50 !g' -e 's! rc! -40 !g' -e 's! pre! -50 !g' -e 's! test! -60 !g' -e 's![^-0-9 ]\+!99!g')
|
|---|
| 524 |
|
|---|
| 525 | v2=$(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')
|
|---|
| 526 |
|
|---|
| 527 | result=0; v1finished=0; v2finished=0;
|
|---|
| 528 | while [ $result -eq 0 ] && [ $v1finished -eq 0 ] && [ $v2finished -eq 0 ];
|
|---|
| 529 | do
|
|---|
| 530 | if [ "$v1" = "" ]; then
|
|---|
| 531 | v1comp=0; v1finished=1
|
|---|
| 532 | else
|
|---|
| 533 | set -- $v1; v1comp=$1; shift; v1=$*
|
|---|
| 534 | fi
|
|---|
| 535 |
|
|---|
| 536 | if [ "$v2" = "" ]; then
|
|---|
| 537 | v2comp=0; v2finished=1
|
|---|
| 538 | else
|
|---|
| 539 | set -- $v2; v2comp=$1; shift; v2=$*
|
|---|
| 540 | fi
|
|---|
| 541 |
|
|---|
| 542 | set +e
|
|---|
| 543 | result=`expr $v1comp - $v2comp`
|
|---|
| 544 | result=`expr substr $result 1 2`
|
|---|
| 545 | set -e
|
|---|
| 546 |
|
|---|
| 547 | if [ $result -gt 0 ]; then result=1
|
|---|
| 548 | elif [ $result -lt 0 ]; then result=-1
|
|---|
| 549 | fi
|
|---|
| 550 | done
|
|---|
| 551 |
|
|---|
| 552 | # finally return the result
|
|---|
| 553 | echo $result
|
|---|
| 554 | }
|
|---|
| 555 |
|
|---|
| 556 | # looks in the directory specified for an initrd image with the version specified
|
|---|
| 557 | FindInitrdName()
|
|---|
| 558 | {
|
|---|
| 559 | # strip trailing slashes
|
|---|
| 560 | directory=$(echo $1 | sed -e 's#/*$##')
|
|---|
| 561 | version=$2
|
|---|
| 562 |
|
|---|
| 563 | # initrd
|
|---|
| 564 | # initrd.img
|
|---|
| 565 | # initrd-lvm
|
|---|
| 566 | # .*.gz
|
|---|
| 567 |
|
|---|
| 568 | initrdName=""
|
|---|
| 569 | names="initrd initrd.img initrd-lvm"
|
|---|
| 570 | compressed="gz"
|
|---|
| 571 |
|
|---|
| 572 | for n in $names ; do
|
|---|
| 573 | # make sure we haven't already found it
|
|---|
| 574 | if [ -z "$initrdName" ] ; then
|
|---|
| 575 | if [ -f "$directory/$n$version" ] ; then
|
|---|
| 576 | initrdName="$n$version"
|
|---|
| 577 | break
|
|---|
| 578 | else
|
|---|
| 579 | for c in $compressed ; do
|
|---|
| 580 | if [ -f "$directory/$n$version.$c" ] ; then
|
|---|
| 581 | initrdName="$n$version.$c"
|
|---|
| 582 | break
|
|---|
| 583 | fi
|
|---|
| 584 | done
|
|---|
| 585 | fi
|
|---|
| 586 | else
|
|---|
| 587 | break
|
|---|
| 588 | fi
|
|---|
| 589 | done
|
|---|
| 590 |
|
|---|
| 591 | # return the result
|
|---|
| 592 | echo $initrdName
|
|---|
| 593 | }
|
|---|
| 594 |
|
|---|
| 595 | get_kernel_opt()
|
|---|
| 596 | {
|
|---|
| 597 | kernel_version=$1
|
|---|
| 598 |
|
|---|
| 599 | version=$(echo $kernel_version | sed 's/^[^0-9]*//')
|
|---|
| 600 | version=$(echo $version | sed 's/[-\+\.]/_/g')
|
|---|
| 601 | if [ -n "$version" ] ; then
|
|---|
| 602 | while [ -n "$version" ] ; do
|
|---|
| 603 | currentOpt="$(eval "echo \${kopt_$version}")"
|
|---|
| 604 | if [ -n "$currentOpt" ] ; then
|
|---|
| 605 | break
|
|---|
| 606 | fi
|
|---|
| 607 |
|
|---|
| 608 | oldversion="$version"
|
|---|
| 609 | version=$(echo $version | sed 's/_\?[^_]*$//')
|
|---|
| 610 | if [ "$version" = "$oldversion" ] ; then
|
|---|
| 611 | # Break infinite loop, if the version isn't what we expect
|
|---|
| 612 | break
|
|---|
| 613 | fi
|
|---|
| 614 | done
|
|---|
| 615 | fi
|
|---|
| 616 |
|
|---|
| 617 | if [ -z "$currentOpt" ] ; then
|
|---|
| 618 | currentOpt=$kopt
|
|---|
| 619 | fi
|
|---|
| 620 |
|
|---|
| 621 | echo $currentOpt
|
|---|
| 622 | }
|
|---|
| 623 |
|
|---|
| 624 | write_kernel_entry()
|
|---|
| 625 | {
|
|---|
| 626 | kernel_version=$1
|
|---|
| 627 | recovery_desc=$2
|
|---|
| 628 | lock_alternative=$3
|
|---|
| 629 | grub_root_device=$4
|
|---|
| 630 | kernel=$5
|
|---|
| 631 | kernel_options=$6
|
|---|
| 632 | recovery_suffix=$7
|
|---|
| 633 | initrd=$8
|
|---|
| 634 | savedefault=$9
|
|---|
| 635 |
|
|---|
| 636 | echo -n "title $title, " >> $buffer
|
|---|
| 637 | # memtest86 is not strictly a kernel
|
|---|
| 638 | if ! echo "$kernel_version" | grep -q ^memtest86; then
|
|---|
| 639 | echo -n "kernel " >> $buffer
|
|---|
| 640 | fi
|
|---|
| 641 | echo -n "$kernel_version" >> $buffer
|
|---|
| 642 | if [ -n "$recovery_desc" ]; then
|
|---|
| 643 | echo -n " $recovery_desc" >> $buffer
|
|---|
| 644 | fi
|
|---|
| 645 | echo >> $buffer
|
|---|
| 646 |
|
|---|
| 647 | # lock the alternative options
|
|---|
| 648 | if test x"$lock_alternative" = x"true" ; then
|
|---|
| 649 | echo "lock" >> $buffer
|
|---|
| 650 | fi
|
|---|
| 651 | # lock the old entries
|
|---|
| 652 | if test x"$lockold" = x"true" ; then
|
|---|
| 653 | echo "lock" >> $buffer
|
|---|
| 654 | fi
|
|---|
| 655 |
|
|---|
| 656 | echo "root $grub_root_device" >> $buffer
|
|---|
| 657 | echo -n "kernel $kernel" >> $buffer
|
|---|
| 658 | if [ -n "$kernel_options" ]; then
|
|---|
| 659 | echo -n " $kernel_options" >> $buffer
|
|---|
| 660 | fi
|
|---|
| 661 | if [ -n "$recovery_desc" ]; then
|
|---|
| 662 | echo -n " $recovery_suffix" >> $buffer
|
|---|
| 663 | fi
|
|---|
| 664 | echo >> $buffer
|
|---|
| 665 |
|
|---|
| 666 | if [ -n "$initrd" ]; then
|
|---|
| 667 | echo "initrd $initrd" >> $buffer
|
|---|
| 668 | fi
|
|---|
| 669 |
|
|---|
| 670 | if [ ! -n "$recovery_desc" -a x"$supports_quiet" = x"true" ]; then
|
|---|
| 671 | echo "quiet" >> $buffer
|
|---|
| 672 | fi
|
|---|
| 673 |
|
|---|
| 674 | if test x"$savedefault" = x"true" ; then
|
|---|
| 675 | echo "savedefault" >> $buffer
|
|---|
| 676 | fi
|
|---|
| 677 | echo "boot" >> $buffer
|
|---|
| 678 | echo >> $buffer
|
|---|
| 679 | }
|
|---|
| 680 |
|
|---|
| 681 | convert_kopt_to_uuid()
|
|---|
| 682 | {
|
|---|
| 683 | kopt=$1
|
|---|
| 684 |
|
|---|
| 685 | root=$(echo "$kopt" | sed 's/.*root=//;s/ .*//')
|
|---|
| 686 | case "$root" in
|
|---|
| 687 | UUID=*|LABEL=*)
|
|---|
| 688 | ;;
|
|---|
| 689 | /dev/disk/*)
|
|---|
| 690 | ;;
|
|---|
| 691 | /dev/mapper/*)
|
|---|
| 692 | ;;
|
|---|
| 693 | /dev/evms/*)
|
|---|
| 694 | ;;
|
|---|
| 695 | /dev/md[0-9]*)
|
|---|
| 696 | ;;
|
|---|
| 697 | /dev/*)
|
|---|
| 698 | if [ -L "$DEV" ] && readlink | grep -q "^/dev/mapper/"
|
|---|
| 699 | then
|
|---|
| 700 | :
|
|---|
| 701 | elif [ -b "$root" ]; then
|
|---|
| 702 | uuid=$(/sbin/vol_id -u "$root" || true)
|
|---|
| 703 | if [ -n "$uuid" ]; then
|
|---|
| 704 | kopt=$(echo "$kopt" | sed "s/\(.*root=\)[^ ]*/\1UUID=$uuid/")
|
|---|
| 705 | fi
|
|---|
| 706 | fi
|
|---|
| 707 | ;;
|
|---|
| 708 | esac
|
|---|
| 709 |
|
|---|
| 710 | echo "$kopt"
|
|---|
| 711 | }
|
|---|
| 712 |
|
|---|
| 713 |
|
|---|
| 714 | echo -n "Testing for an existing GRUB menu.list file ... " >&2
|
|---|
| 715 |
|
|---|
| 716 | # Test if our menu file exists
|
|---|
| 717 | if [ -f "$menu_file" ] ; then
|
|---|
| 718 | menu="$menu_file"
|
|---|
| 719 | rm -f $newtemplate
|
|---|
| 720 | unset newtemplate
|
|---|
| 721 | echo "found: $menu_file" >&2
|
|---|
| 722 | cp -f "$menu_file" "$menu_file~"
|
|---|
| 723 | else
|
|---|
| 724 | # if not ask user if they want us to create one
|
|---|
| 725 | menu="$menu_file"
|
|---|
| 726 | echo >&2
|
|---|
| 727 | echo >&2
|
|---|
| 728 | echo -n "Could not find $menu_file file. " >&2
|
|---|
| 729 | if [ "-y" = "$command_line_arguments" ] ; then
|
|---|
| 730 | echo >&2
|
|---|
| 731 | echo "Generating $menu_file" >&2
|
|---|
| 732 | answer=y
|
|---|
| 733 | else
|
|---|
| 734 | echo -n "Would you like $menu_file generated for you? " >&2
|
|---|
| 735 | echo -n "(y/N) " >&2
|
|---|
| 736 | read answer
|
|---|
| 737 | fi
|
|---|
| 738 |
|
|---|
| 739 | case "$answer" in
|
|---|
| 740 | y* | Y*)
|
|---|
| 741 | cat "$newtemplate" > $menu_file
|
|---|
| 742 | rm -f $newtemplate
|
|---|
| 743 | unset newtemplate
|
|---|
| 744 | ;;
|
|---|
| 745 | *)
|
|---|
| 746 | abort "Not creating $menu_file as you wish"
|
|---|
| 747 | ;;
|
|---|
| 748 | esac
|
|---|
| 749 | fi
|
|---|
| 750 |
|
|---|
| 751 | # Extract the kernel options to use
|
|---|
| 752 | kopt=$(GetMenuOpt "kopt" "$kopt")
|
|---|
| 753 |
|
|---|
| 754 | # Update the root device to mount-by-UUID
|
|---|
| 755 | kopt=$(convert_kopt_to_uuid "$kopt")
|
|---|
| 756 |
|
|---|
| 757 | # Set the kernel 2.6 option only for fresh install
|
|---|
| 758 | test -z "$(GetMenuOpt "kopt" "")" && kopt_2_6="root=$root_device_2_6 ro"
|
|---|
| 759 |
|
|---|
| 760 | # Extract options for specific kernels
|
|---|
| 761 | opts="$(ExtractMenuOpts "\(kopt_[[:alnum:]_]\+\)")"
|
|---|
| 762 | test -z "$opts" || eval "$opts"
|
|---|
| 763 | CustomKopts=$(GetMenuOpts "\(kopt_[[:alnum:]_]\+\)")
|
|---|
| 764 |
|
|---|
| 765 | # Extract the grub root
|
|---|
| 766 | grub_root_device=$(GetMenuOpt "groot" "$grub_root_device")
|
|---|
| 767 |
|
|---|
| 768 | # Extract the old recovery value
|
|---|
| 769 | alternative=$(GetMenuOpt "recovery" "$alternative")
|
|---|
| 770 |
|
|---|
| 771 | # Extract the alternative value
|
|---|
| 772 | alternative=$(GetMenuOpt "alternative" "$alternative")
|
|---|
| 773 |
|
|---|
| 774 | # Extract the lockalternative value
|
|---|
| 775 | lockalternative=$(GetMenuOpt "lockalternative" "$lockalternative")
|
|---|
| 776 |
|
|---|
| 777 | # Extract the additional default options
|
|---|
| 778 | # Check nonaltoptions too for compatibility with Ubuntu <= 5.10
|
|---|
| 779 | defoptions=$(GetMenuOpt "nonaltoptions" "$defoptions")
|
|---|
| 780 | defoptions=$(GetMenuOpt "defoptions" "$defoptions")
|
|---|
| 781 |
|
|---|
| 782 | # Extract the lockold value
|
|---|
| 783 | lockold=$(GetMenuOpt "lockold" "$lockold")
|
|---|
| 784 |
|
|---|
| 785 | # Extract the howmany value
|
|---|
| 786 | howmany=$(GetMenuOpt "howmany" "$howmany")
|
|---|
| 787 |
|
|---|
| 788 | # Extract the memtest86 value
|
|---|
| 789 | memtest86=$(GetMenuOpt "memtest86" "$memtest86")
|
|---|
| 790 |
|
|---|
| 791 |
|
|---|
| 792 | # Extract the updatedefaultentry option
|
|---|
| 793 | updatedefaultentry=$(GetMenuOpt "updatedefaultentry" "$updatedefaultentry")
|
|---|
| 794 |
|
|---|
| 795 |
|
|---|
| 796 | # Generate the menu options we want to insert
|
|---|
| 797 | buffer=$(tempfile)
|
|---|
| 798 | echo $start >> $buffer
|
|---|
| 799 | echo "## lines between the AUTOMAGIC KERNELS LIST markers will be modified" >> $buffer
|
|---|
| 800 | echo "## by the debian update-grub script except for the default options below" >> $buffer
|
|---|
| 801 | echo >> $buffer
|
|---|
| 802 | echo "## DO NOT UNCOMMENT THEM, Just edit them to your needs" >> $buffer
|
|---|
| 803 | echo >> $buffer
|
|---|
| 804 | echo "## ## Start Default Options ##" >> $buffer
|
|---|
| 805 |
|
|---|
| 806 | echo "## default kernel options" >> $buffer
|
|---|
| 807 | echo "## default kernel options for automagic boot options" >> $buffer
|
|---|
| 808 | echo "## If you want special options for specific kernels use kopt_x_y_z" >> $buffer
|
|---|
| 809 | echo "## where x.y.z is kernel version. Minor versions can be omitted." >> $buffer
|
|---|
| 810 | echo "## e.g. kopt=root=/dev/hda1 ro" >> $buffer
|
|---|
| 811 | echo "## kopt_2_6_8=root=/dev/hdc1 ro" >> $buffer
|
|---|
| 812 | echo "## kopt_2_6_8_2_686=root=/dev/hdc2 ro" >> $buffer
|
|---|
| 813 | echo "# kopt=$kopt" >> $buffer
|
|---|
| 814 | if [ -n "$CustomKopts" ] ; then
|
|---|
| 815 | echo "$CustomKopts" >> $buffer
|
|---|
| 816 | elif [ -n "$kopt_2_6" ] && [ "$kopt" != "$kopt_2_6" ]; then
|
|---|
| 817 | echo "# kopt_2_6=$kopt_2_6" >> $buffer
|
|---|
| 818 | fi
|
|---|
| 819 | echo >> $buffer
|
|---|
| 820 |
|
|---|
| 821 | echo "## default grub root device" >> $buffer
|
|---|
| 822 | echo "## e.g. groot=(hd0,0)" >> $buffer
|
|---|
| 823 | echo "# groot=$grub_root_device" >> $buffer
|
|---|
| 824 | echo >> $buffer
|
|---|
| 825 |
|
|---|
| 826 | echo "## should update-grub create alternative automagic boot options" >> $buffer
|
|---|
| 827 | echo "## e.g. alternative=true" >> $buffer
|
|---|
| 828 | echo "## alternative=false" >> $buffer
|
|---|
| 829 | echo "# alternative=$alternative" >> $buffer
|
|---|
| 830 | echo >> $buffer
|
|---|
| 831 |
|
|---|
| 832 | echo "## should update-grub lock alternative automagic boot options" >> $buffer
|
|---|
| 833 | echo "## e.g. lockalternative=true" >> $buffer
|
|---|
| 834 | echo "## lockalternative=false" >> $buffer
|
|---|
| 835 | echo "# lockalternative=$lockalternative" >> $buffer
|
|---|
| 836 | echo >> $buffer
|
|---|
| 837 |
|
|---|
| 838 | echo "## additional options to use with the default boot option, but not with the" >> $buffer
|
|---|
| 839 | echo "## alternatives" >> $buffer
|
|---|
| 840 | echo "## e.g. defoptions=vga=791 resume=/dev/hda5" >> $buffer
|
|---|
| 841 | echo "# defoptions=$defoptions" >> $buffer
|
|---|
| 842 | echo >> $buffer
|
|---|
| 843 |
|
|---|
| 844 | echo "## should update-grub lock old automagic boot options" >> $buffer
|
|---|
| 845 | echo "## e.g. lockold=false" >> $buffer
|
|---|
| 846 | echo "## lockold=true" >> $buffer
|
|---|
| 847 | echo "# lockold=$lockold" >> $buffer
|
|---|
| 848 | echo >> $buffer
|
|---|
| 849 |
|
|---|
| 850 | echo "## altoption boot targets option" >> $buffer
|
|---|
| 851 | echo "## multiple altoptions lines are allowed" >> $buffer
|
|---|
| 852 | echo "## e.g. altoptions=(extra menu suffix) extra boot options" >> $buffer
|
|---|
| 853 | echo "## altoptions=(recovery) single" >> $buffer
|
|---|
| 854 |
|
|---|
| 855 | if ! grep -q "^# altoptions" $menu ; then
|
|---|
| 856 | echo "# altoptions=$altoptions" >> $buffer
|
|---|
| 857 | else
|
|---|
| 858 | grep "^# altoptions" $menu >> $buffer
|
|---|
| 859 | fi
|
|---|
| 860 | echo >> $buffer
|
|---|
| 861 |
|
|---|
| 862 | echo "## controls how many kernels should be put into the menu.lst" >> $buffer
|
|---|
| 863 | echo "## only counts the first occurence of a kernel, not the" >> $buffer
|
|---|
| 864 | echo "## alternative kernel options" >> $buffer
|
|---|
| 865 | echo "## e.g. howmany=all" >> $buffer
|
|---|
| 866 | echo "## howmany=7" >> $buffer
|
|---|
| 867 | echo "# howmany=$howmany" >> $buffer
|
|---|
| 868 | echo >> $buffer
|
|---|
| 869 |
|
|---|
| 870 |
|
|---|
| 871 | echo "## should update-grub create memtest86 boot option" >> $buffer
|
|---|
| 872 | echo "## e.g. memtest86=true" >> $buffer
|
|---|
| 873 | echo "## memtest86=false" >> $buffer
|
|---|
| 874 | echo "# memtest86=$memtest86" >> $buffer
|
|---|
| 875 | echo >> $buffer
|
|---|
| 876 |
|
|---|
| 877 | echo "## should update-grub adjust the value of the default booted system" >> $buffer
|
|---|
| 878 | echo "## can be true or false" >> $buffer
|
|---|
| 879 | echo "# updatedefaultentry=$updatedefaultentry" >> $buffer
|
|---|
| 880 | echo >> $buffer
|
|---|
| 881 |
|
|---|
| 882 | echo "## ## End Default Options ##" >> $buffer
|
|---|
| 883 | echo >> $buffer
|
|---|
| 884 |
|
|---|
| 885 | echo -n "Searching for splash image ... " >&2
|
|---|
| 886 | current_splash=`grep '^splashimage=' ${grub_dir}/menu.lst || true`
|
|---|
| 887 | splashimage_path="splashimage=${grub_root_device}${grub_dir##${boot_device:+/boot}}/splash.xpm.gz"
|
|---|
| 888 | if [ `sed -e "/^$start/,/^$end/d" $grub_dir/menu.lst | grep -c '^splashimage='` != "0" ] ; then
|
|---|
| 889 | #checks for splashscreen defined outside the autoupdated part
|
|---|
| 890 | splashimage=$(grep '^splashimage=' ${grub_dir}/menu.lst)
|
|---|
| 891 | echo "found: ${splashimage##*=}" >&2
|
|---|
| 892 | echo >&2
|
|---|
| 893 | elif [ -f "${grub_dir}/splash.xpm.gz" ] && [ "$current_splash" = "" ]; then
|
|---|
| 894 | echo "found: /boot/grub/splash.xpm.gz" >&2
|
|---|
| 895 | echo "$splashimage_path" >> $buffer
|
|---|
| 896 | echo >> $buffer
|
|---|
| 897 | elif [ -f "${grub_dir}/splash.xpm.gz" ] && [ "$current_splash" = "$splashimage_path" ]; then
|
|---|
| 898 | echo "found: /boot/grub/splash.xpm.gz" >&2
|
|---|
| 899 | echo "$splashimage_path" >> $buffer
|
|---|
| 900 | echo >> $buffer
|
|---|
| 901 | elif [ "$current_splash" != "" ] && [ "$current_splash" != "$splashimage_path" ]; then
|
|---|
| 902 | echo "found but preserving previous setting: $(grep '^splashimage=' ${grub_dir}/menu.lst)" >&2
|
|---|
| 903 | echo "$current_splash" >> $buffer
|
|---|
| 904 | echo >> $buffer
|
|---|
| 905 | else
|
|---|
| 906 | echo "none found, skipping ..." >&2
|
|---|
| 907 | fi
|
|---|
| 908 |
|
|---|
| 909 |
|
|---|
| 910 | sortedKernels=""
|
|---|
| 911 | for kern in $(/bin/ls -1vr /boot | grep -v "dpkg-*" | grep "^vmlinuz-") ; do
|
|---|
| 912 | # found a kernel
|
|---|
| 913 | kern="/boot/$kern"
|
|---|
| 914 | newerKernels=""
|
|---|
| 915 | for i in $sortedKernels ; do
|
|---|
| 916 | res=$(CompareVersions "$kern" "$i")
|
|---|
| 917 | if [ "$kern" != "" ] && [ "$res" -gt 0 ] ; then
|
|---|
| 918 | newerKernels="$newerKernels $kern $i"
|
|---|
| 919 | kern=""
|
|---|
| 920 | else
|
|---|
| 921 | newerKernels="$newerKernels $i"
|
|---|
| 922 | fi
|
|---|
| 923 | done
|
|---|
| 924 | if [ "$kern" != "" ] ; then
|
|---|
| 925 | newerKernels="$newerKernels $kern"
|
|---|
| 926 | fi
|
|---|
| 927 | sortedKernels="$newerKernels"
|
|---|
| 928 | done
|
|---|
| 929 |
|
|---|
| 930 | if test -f "/boot/vmlinuz.old" ; then
|
|---|
| 931 | sortedKernels="/boot/vmlinuz.old $sortedKernels"
|
|---|
| 932 | fi
|
|---|
| 933 | if test -f "/boot/vmlinuz" ; then
|
|---|
| 934 | sortedKernels="/boot/vmlinuz $sortedKernels"
|
|---|
| 935 | fi
|
|---|
| 936 |
|
|---|
| 937 | # figure out where grub looks for the kernels at boot time
|
|---|
| 938 | kernel_dir=/boot
|
|---|
| 939 | if [ -n "$boot_device" ] ; then
|
|---|
| 940 | kernel_dir=
|
|---|
| 941 | fi
|
|---|
| 942 |
|
|---|
| 943 | #Finding the value the default line
|
|---|
| 944 | use_grub_set_default="false"
|
|---|
| 945 | if test "$updatedefaultentry" = "true" ; then
|
|---|
| 946 | defaultEntryNumber=$(sed -ne 's/^[[:blank:]]*default[[:blank:]]*\(.*\).*/\1/p' $menu)
|
|---|
| 947 |
|
|---|
| 948 | if [ "$defaultEntryNumber" = "saved" ] ; then
|
|---|
| 949 | defaultEntryNumber=$(sed 'q' "$grub_dir/default")
|
|---|
| 950 | use_grub_set_default="true"
|
|---|
| 951 | fi
|
|---|
| 952 |
|
|---|
| 953 | if test -n "$defaultEntryNumber"; then
|
|---|
| 954 | defaultEntryNumberPlusOne=$(expr $defaultEntryNumber \+ 1);
|
|---|
| 955 | defaultEntry=$(grep "^[[:blank:]]*title" $menu | sed -ne "${defaultEntryNumberPlusOne}p" | sed -ne ";s/^[[:blank:]]*title[[:blank:]]*//p")
|
|---|
| 956 | defaultEntry=$(echo $defaultEntry | sed -e "s/[[:blank:]]*$//") # don't trust trailing blanks
|
|---|
| 957 | else
|
|---|
| 958 | notChangeDefault="yes"
|
|---|
| 959 | fi
|
|---|
| 960 | else
|
|---|
| 961 | notChangeDefault="yes"
|
|---|
| 962 | fi
|
|---|
| 963 |
|
|---|
| 964 | ## heres where we start writing out the kernel entries
|
|---|
| 965 | counter=0
|
|---|
| 966 | for kern in $sortedKernels ; do
|
|---|
| 967 | counter=$(($counter + 1))
|
|---|
| 968 | if test ! x"$howmany" = x"all" ; then
|
|---|
| 969 | if [ $counter -gt $howmany ] ; then
|
|---|
| 970 | break
|
|---|
| 971 | fi
|
|---|
| 972 | fi
|
|---|
| 973 | kernelName=$(basename $kern)
|
|---|
| 974 | kernelVersion=$(echo $kernelName | sed -e 's/vmlinuz//')
|
|---|
| 975 | initrdName=$(FindInitrdName "/boot" "$kernelVersion")
|
|---|
| 976 | initrd=""
|
|---|
| 977 |
|
|---|
| 978 | kernel=$kernel_dir/$kernelName
|
|---|
| 979 | if [ -n "$initrdName" ] ; then
|
|---|
| 980 | initrd=$kernel_dir/$initrdName
|
|---|
| 981 | fi
|
|---|
| 982 |
|
|---|
| 983 | echo "Found kernel: $kernel" >&2
|
|---|
| 984 |
|
|---|
| 985 | if [ "$kernelName" = "vmlinuz" ]; then
|
|---|
| 986 | if [ -L "/boot/$kernelName" ]; then
|
|---|
| 987 | kernelVersion=`readlink -f "/boot/$kernelName"`
|
|---|
| 988 | kernelVersion=$(echo $kernelVersion | sed -e 's/.*vmlinuz-//')
|
|---|
| 989 | kernelVersion="$kernelVersion Default"
|
|---|
| 990 | else
|
|---|
| 991 | kernelVersion="Default"
|
|---|
| 992 | fi
|
|---|
| 993 | fi
|
|---|
| 994 | if [ "$kernelName" = "vmlinuz.old" ]; then
|
|---|
| 995 | if [ -L "/boot/$kernelName" ]; then
|
|---|
| 996 | kernelVersion=`readlink -f "/boot/$kernelName"`
|
|---|
| 997 | kernelVersion=$(echo $kernelVersion | sed -e 's/.*vmlinuz-//')
|
|---|
| 998 | kernelVersion="$kernelVersion Previous"
|
|---|
| 999 | else
|
|---|
| 1000 | kernelVersion="Previous"
|
|---|
| 1001 | fi
|
|---|
| 1002 | fi
|
|---|
| 1003 | kernelVersion=$(echo $kernelVersion | sed -e 's/^-//')
|
|---|
| 1004 |
|
|---|
| 1005 | currentOpt=$(get_kernel_opt $kernelVersion)
|
|---|
| 1006 |
|
|---|
| 1007 | do_lockold=$lockold
|
|---|
| 1008 | # do not lockold for the first entry
|
|---|
| 1009 | [ $counter -eq 1 ] && do_lockold=false
|
|---|
| 1010 |
|
|---|
| 1011 | write_kernel_entry "$kernelVersion" "" "" "$grub_root_device" "$kernel" \
|
|---|
| 1012 | "$currentOpt $defoptions" "" "$initrd" "true" "$do_lockold"
|
|---|
| 1013 |
|
|---|
| 1014 | # insert the alternative boot options
|
|---|
| 1015 | if test ! x"$alternative" = x"false" ; then
|
|---|
| 1016 | # for each altoptions line do this stuff
|
|---|
| 1017 | sed -ne 's/# altoptions=\(.*\)/\1/p' $buffer | while read line; do
|
|---|
| 1018 | descr=$(echo $line | sed -ne 's/\(([^)]*)\)[[:space:]]\(.*\)/\1/p')
|
|---|
| 1019 | suffix=$(echo $line | sed -ne 's/\(([^)]*)\)[[:space:]]\(.*\)/\2/p')
|
|---|
| 1020 |
|
|---|
| 1021 | test x"$lockalternative" = x"true" && do_lockold=false
|
|---|
| 1022 | write_kernel_entry "$kernelVersion" "$descr" "$lockalternative" \
|
|---|
| 1023 | "$grub_root_device" "$kernel" "$currentOpt" "$suffix" "$initrd" \
|
|---|
| 1024 | "false"
|
|---|
| 1025 | done
|
|---|
| 1026 | fi
|
|---|
| 1027 |
|
|---|
| 1028 | # If a kdump kernel exists, add crashdump entries
|
|---|
| 1029 | kdumps=$(ls /boot/*-kdump 2>/dev/null || true)
|
|---|
| 1030 | if [ "$kdumps" != "" ] ; then
|
|---|
| 1031 | write_kernel_entry "$kernelVersion" "(crashdump mode)" "$lockalternative" \
|
|---|
| 1032 | "$grub_root_device" "$kernel" "$currentOpt" "crashkernel=64M@16M" "$initrd" \
|
|---|
| 1033 | "false"
|
|---|
| 1034 | fi
|
|---|
| 1035 | done
|
|---|
| 1036 |
|
|---|
| 1037 | memtest86names="memtest86 memtest86+"
|
|---|
| 1038 |
|
|---|
| 1039 | if test ! x"$memtest86" = x"false" ; then
|
|---|
| 1040 | for name in $memtest86names ; do
|
|---|
| 1041 | if test -f "/boot/$name.bin" ; then
|
|---|
| 1042 | kernelVersion="$name"
|
|---|
| 1043 | kernel="$kernel_dir/$name.bin"
|
|---|
| 1044 | currentOpt=
|
|---|
| 1045 | initrd=
|
|---|
| 1046 |
|
|---|
| 1047 | echo "Found kernel: $kernel" >&2
|
|---|
| 1048 |
|
|---|
| 1049 | write_kernel_entry "$kernelVersion" "" "" "$grub_root_device" \
|
|---|
| 1050 | "$kernel" "$currentOpt" "" "$initrd" "false" ""
|
|---|
| 1051 | fi
|
|---|
| 1052 | done
|
|---|
| 1053 | fi
|
|---|
| 1054 |
|
|---|
| 1055 | echo $end >> $buffer
|
|---|
| 1056 |
|
|---|
| 1057 | echo -n "Updating $menu ... " >&2
|
|---|
| 1058 | # Insert the new options into the menu
|
|---|
| 1059 | if ! grep -q "^$start" $menu ; then
|
|---|
| 1060 | cat $buffer >> $menu
|
|---|
| 1061 | rm -f $buffer
|
|---|
| 1062 | else
|
|---|
| 1063 | umask 077
|
|---|
| 1064 | sed -e "/^$start/,/^$end/{
|
|---|
| 1065 | /^$start/r $buffer
|
|---|
| 1066 | d
|
|---|
| 1067 | }
|
|---|
| 1068 | " $menu > $menu.new
|
|---|
| 1069 | cat $menu.new > $menu
|
|---|
| 1070 | rm -f $buffer $menu.new
|
|---|
| 1071 | fi
|
|---|
| 1072 |
|
|---|
| 1073 | # Function to update the default value
|
|---|
| 1074 | set_default_value() {
|
|---|
| 1075 | if [ "$use_grub_set_default" = "true" ] ; then
|
|---|
| 1076 | grub-set-default $1
|
|---|
| 1077 | else
|
|---|
| 1078 | value="$1"
|
|---|
| 1079 | newmenu=$(tempfile)
|
|---|
| 1080 | sed -e "s/^[[:blank:]]*default[[:blank:]]*[[:digit:]]*\(.*\)/default ${value}\1/;b" $menu > $newmenu
|
|---|
| 1081 | cat $newmenu > $menu
|
|---|
| 1082 | rm -f $newmenu
|
|---|
| 1083 | unset newmenu
|
|---|
| 1084 | fi
|
|---|
| 1085 | }
|
|---|
| 1086 |
|
|---|
| 1087 | #Updating the default number
|
|---|
| 1088 | if test -z "$notChangeDefault"; then
|
|---|
| 1089 | newDefaultNumberPlusOne=$(grep "^[[:blank:]]*title[[:blank:]]*" $menu | grep -n "${defaultEntry}" | cut -f1 -d ":" | sed -ne "1p")
|
|---|
| 1090 | if test -z "$newDefaultNumberPlusOne"; then
|
|---|
| 1091 | echo "Previous default entry removed, resetting to 0">&2
|
|---|
| 1092 | set_default_value "0"
|
|---|
| 1093 | elif test -z "$defaultEntry"; then
|
|---|
| 1094 | echo "Value of default value matches no entry, resetting to 0" >&2
|
|---|
| 1095 | set_default_value "0"
|
|---|
| 1096 | else
|
|---|
| 1097 | if test "$newDefaultNumberPlusOne" = "1"; then
|
|---|
| 1098 | newDefaultNumber="0"
|
|---|
| 1099 | else
|
|---|
| 1100 | newDefaultNumber=$(expr $newDefaultNumberPlusOne - 1)
|
|---|
| 1101 | fi
|
|---|
| 1102 | echo "Updating the default booting kernel">&2
|
|---|
| 1103 | set_default_value "$newDefaultNumber"
|
|---|
| 1104 | fi
|
|---|
| 1105 | fi
|
|---|
| 1106 |
|
|---|
| 1107 | # Function to update the default value
|
|---|
| 1108 | set_default_value() {
|
|---|
| 1109 | if [ "$use_grub_set_default" = "true" ] ; then
|
|---|
| 1110 | grub-set-default $1
|
|---|
| 1111 | else
|
|---|
| 1112 | value="$1"
|
|---|
| 1113 | newmenu=$(tempfile)
|
|---|
| 1114 | sed -e "s/^[[:blank:]]*default[[:blank:]]*[[:digit:]]*\(.*\)/default ${value}\1/;b" $menu > $newmenu
|
|---|
| 1115 | cat $newmenu > $menu
|
|---|
| 1116 | rm -f $newmenu
|
|---|
| 1117 | unset newmenu
|
|---|
| 1118 | fi
|
|---|
| 1119 | }
|
|---|
| 1120 |
|
|---|
| 1121 | #Updating the default number
|
|---|
| 1122 | if test -z "$notChangeDefault"; then
|
|---|
| 1123 | newDefaultNumberPlusOne=$(grep "^[[:blank:]]*title[[:blank:]]*" $menu | grep -n "${defaultEntry}" | cut -f1 -d ":" | sed -ne "1p")
|
|---|
| 1124 | if test -z "$newDefaultNumberPlusOne"; then
|
|---|
| 1125 | echo "Previous default entry removed, resetting to 0">&2
|
|---|
| 1126 | set_default_value "0"
|
|---|
| 1127 | elif test -z "$defaultEntry"; then
|
|---|
| 1128 | echo "Value of default value matches no entry, resetting to 0" >&2
|
|---|
| 1129 | set_default_value "0"
|
|---|
| 1130 | else
|
|---|
| 1131 | if test "$newDefaultNumberPlusOne" = "1"; then
|
|---|
| 1132 | newDefaultNumber="0"
|
|---|
| 1133 | else
|
|---|
| 1134 | newDefaultNumber=$(expr $newDefaultNumberPlusOne - 1)
|
|---|
| 1135 | fi
|
|---|
| 1136 | echo "Updating the default booting kernel">&2
|
|---|
| 1137 | set_default_value "$newDefaultNumber"
|
|---|
| 1138 | fi
|
|---|
| 1139 | fi
|
|---|
| 1140 |
|
|---|
| 1141 | echo "done" >&2
|
|---|
| 1142 | echo >&2
|
|---|
