diff options
Diffstat (limited to 'debian/update-grub-legacy-ec2')
| -rwxr-xr-x | debian/update-grub-legacy-ec2 | 1598 |
1 files changed, 1598 insertions, 0 deletions
diff --git a/debian/update-grub-legacy-ec2 b/debian/update-grub-legacy-ec2 new file mode 100755 index 00000000..19648f6d --- /dev/null +++ b/debian/update-grub-legacy-ec2 @@ -0,0 +1,1598 @@ +#!/bin/bash +# +# Insert a list of installed kernels in a grub config file +# Copyright 2001 Wichert Akkerman <wichert@linux.com> +# Copyright 2007, 2008 Canonical Ltd. +# +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# Contributors: +# Jason Thomas <jason@debian.org> +# David B.Harris <dbarclay10@yahoo.ca> +# Marc Haber <mh@zugschlus.de> +# Crispin Flowerday <crispin@zeus.com> +# Steve Langasek <steve.langasek@canonical.com> + +# Abort on errors +set -e + +# load debconf first, since this re-execs the script +. /usr/share/debconf/confmodule + +host_os=`uname -s | tr '[A-Z]' '[a-z]'` + +abort() { + message=$@ + + echo >&2 + printf '%s\n' "$message" >&2 + echo >&2 + exit 1 +} + +find_grub_dir () +{ + echo -n "Searching for GRUB installation directory ... " >&2 + + for d in $grub_dirs ; do + if [ -d "$d" ] ; then + grub_dir="$d" + break + fi + done + + if [ -z "$grub_dir" ] ; then + abort "No GRUB directory found. + To create a template run 'mkdir /boot/grub' first. + To install grub, install it manually or try the 'grub-install' command. + ### Warning, grub-install is used to change your MBR. ###" + else + echo "found: $grub_dir" >&2 + fi + + echo $grub_dir +} + +find_device () +{ + mount_point=$1 + + # Autodetect current root device + device= + if [ -f /etc/fstab ] ; then + device=$(awk '$1!~/^#/{ + if ($2 ~ "^/+$") { $2 = "/"; } else { sub("/*$", "", $2); } + if ($2 == "'"$mount_point"'"){ + print $1; + } + }' /etc/fstab | tail -n 1) + fi + + if [ -n "$device" ] ; then + case "$device" in + LABEL=* | UUID=*) + device=`readlink -f "$(findfs $device)"` + ;; + *) + device=`readlink -f "$device"` + ;; + esac + fi + + echo $device +} + +find_root_device () +{ + device=$(find_device "/") + + if [ -z "$device" ]; then + echo "Cannot determine root device. Assuming /dev/hda1" >&2 + echo "This error is probably caused by an invalid /etc/fstab" >&2 + device=/dev/hda1 + fi + + echo $device +} + +# Usage: convert_raid1 os_device +# Checks if os_device is a software raid1. +# If so, converts to first physical device in array. +convert_raid1 () +{ + case $1 in + /dev/md[0-9]) + : ;; # Continue + *) + return 1 ;; + esac + + [ -x /sbin/mdadm ] || return 1 + + # Check that the raid device is raid1 + raidlevel=$(mdadm -D -b $1 | grep "^ARRAY" | \ + sed "s/^.*level=//" | cut -d" " -f1) + [ "$raidlevel" = "raid1" ] || return 1 + + # Take only the first device that makes up the raid + raiddev=$(mdadm -D $1 | grep -A1 "Number" | grep "dev" \ + | sed "s/^.*\(\/dev\/.*\)$/\1/") + [ -n "$raiddev" ] || return 1 + + echo $raiddev + return 0 +} + +# Usage: convert os_device +# Convert an OS device to the corresponding GRUB drive. +# This part is OS-specific. +convert () { + # First, check if the device file exists. + if test -e "$1"; then + : + else + echo "$1: Not found or not a block device." 1>&2 + exit 1 + fi + + host_os=`uname -s | tr '[[:upper:]]' '[[:lower:]]'` + + # Break the device name into the disk part and the partition part. + case "$host_os" in + linux) + tmp_disk=`echo "$1" | sed -e 's%\([sh]d[[:lower:]]\)[0-9]*$%\1%' \ + -e 's%\(fd[0-9]*\)$%\1%' \ + -e 's%/part[0-9]*$%/disc%' \ + -e 's%\(c[0-7]d[0-9]*\).*$%\1%'` + tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[[:lower:]]\([0-9]*\)$%\1%' \ + -e 's%.*/fd[0-9]*$%%' \ + -e 's%.*/floppy/[0-9]*$%%' \ + -e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \ + -e 's%.*c[0-7]d[0-9]*p*%%'` + ;; + gnu) + tmp_disk=`echo "$1" | sed 's%\([sh]d[0-9]*\).*%\1%'` + tmp_part=`echo "$1" | sed "s%$tmp_disk%%"` ;; + freebsd|*/kfreebsd) + tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%\1%' \ + | sed 's%r\{0,1\}\(da[0-9]*\).*$%\1%'` + tmp_part=`echo "$1" \ + | sed "s%.*/r\{0,1\}[saw]d[0-9]\(s[0-9]*[a-h]\)%\1%" \ + | sed "s%.*/r\{0,1\}da[0-9]\(s[0-9]*[a-h]\)%\1%"` + ;; + netbsd|*/knetbsd) + tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([sw]d[0-9]*\).*$%r\1d%' \ + | sed 's%r\{0,1\}\(fd[0-9]*\).*$%r\1a%'` + tmp_part=`echo "$1" \ + | sed "s%.*/r\{0,1\}[sw]d[0-9]\([abe-p]\)%\1%"` + ;; + *) + echo "update-grub does not support your OS yet." 1>&2 + exit 1 ;; + esac + + # Get the drive name. + tmp_drive=`grep -v '^#' $device_map | grep "$tmp_disk *$" \ + | sed 's%.*\(([hf]d[0-9][a-z0-9,]*)\).*%\1%'` + + # If not found, print an error message and exit. + if test "x$tmp_drive" = x; then + echo "$1 does not have any corresponding BIOS drive." 1>&2 + exit 1 + fi + + if test "x$tmp_part" != x; then + # If a partition is specified, we need to translate it into the + # GRUB's syntax. + case "$host_os" in + linux) + echo "$tmp_drive" | sed "s%)$%,`expr $tmp_part - 1`)%" ;; + gnu) + if echo $tmp_part | grep "^s" >/dev/null; then + tmp_pc_slice=`echo $tmp_part \ + | sed "s%s\([0-9]*\)[a-z]*$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"` + fi + if echo $tmp_part | grep "[a-z]$" >/dev/null; then + tmp_bsd_partition=`echo "$tmp_part" \ + | sed "s%[^a-z]*\([a-z]\)$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,$tmp_bsd_partition)%"` + fi + echo "$tmp_drive" ;; + freebsd|*/kfreebsd) + if echo $tmp_part | grep "^s" >/dev/null; then + tmp_pc_slice=`echo $tmp_part \ + | sed "s%s\([0-9]*\)[a-h]*$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"` + fi + if echo $tmp_part | grep "[a-h]$" >/dev/null; then + tmp_bsd_partition=`echo "$tmp_part" \ + | sed "s%s\{0,1\}[0-9]*\([a-h]\)$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,$tmp_bsd_partition)%"` + fi + echo "$tmp_drive" ;; + netbsd|*/knetbsd) + if echo $tmp_part | grep "^[abe-p]$" >/dev/null; then + tmp_bsd_partition=`echo "$tmp_part" \ + | sed "s%\([a-p]\)$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,$tmp_bsd_partition)%"` + fi + echo "$tmp_drive" ;; + esac + else + # If no partition is specified, just print the drive name. + echo "$tmp_drive" + fi +} + +# Usage: convert_default os_device +# Convert an OS device to the corresponding GRUB drive. +# Calls OS-specific convert, and returns a default of +# (hd0,0) if anything goes wrong +convert_default () { + # Check if device is software raid1 array + if tmp_dev=$(convert_raid1 $1 2>/dev/null) ; then + : # Use device returned by convert_raid1 + else + tmp_dev=$1 + fi + + if tmp=$(convert $tmp_dev 2>/dev/null) ; then + echo $tmp + else + echo "${grub_root_device_fallback}" + fi +} + +is_removable () { + 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%\(c[0-7]d[0-9]*\).*$%\1%' -e 's%^/dev/%%g')" + if [ -e "/sys/block/$removabledevice/removable" ]; then + if [ "$(cat /sys/block/$removabledevice/removable)" != "0" ]; then + echo "/dev/$removabledevice" + return + fi + fi + echo "" +} + +convert_to_uuid() +{ + local dev; dev=$1 + + convert=false + case "$dev" in + /dev/disk/*) + ;; + /dev/mapper/*) + ;; + /dev/evms/[hs]d[a-z][0-9]*) + convert=: + ;; + /dev/evms/*) + ;; + /dev/md[0-9]*) + ;; + /dev/*) + convert=: + ;; + esac + if $convert; then + if [ -b "$dev" ]; then + uuid=$(blkid -o value -s UUID "$dev" || true) + fi + fi + + echo "$uuid" +} + +convert_kopt_to_uuid() +{ + local kopt; kopt=$1 + + convert=false + root=$(echo "$kopt" | sed 's/.*root=//;s/ .*//') + case "$root" in + UUID=*|LABEL=*) + ;; + /dev/disk/*) + ;; + /dev/mapper/*) + ;; + /dev/evms/[hs]d[a-z][0-9]*) + convert=: + ;; + /dev/evms/*) + ;; + /dev/md[0-9]*) + ;; + /dev/*) + convert=: + ;; + esac + if $convert; then + if [ -L "$DEV" ] && readlink "$DEV" | grep -q "^/dev/mapper/" + then + : + elif [ -b "$root" ]; then + uuid=$(blkid -o value -s UUID "$root" || true) + if [ -n "$uuid" ]; then + kopt=$(echo "$kopt" | sed "s/\(.*root=\)[^ ]*/\1UUID=$uuid/") + fi + fi + fi + + echo "$kopt" +} + + +## Configuration Options +# directory's to look for the grub installation and the menu file +grub_dirs="/boot/grub /boot/boot/grub" + +# The grub installation directory +grub_dir=$(find_grub_dir) + +# Full path to the menu.lst +menu_file_basename=menu.lst +menu_file=$grub_dir/$menu_file_basename + +# Full path to the menu.lst fragment used for ucf management +ucf_menu_file=/var/run/grub/$menu_file_basename + +# Full path to the default file +default_file_basename=default +default_file=$grub_dir/$default_file_basename + +# the device for the / filesystem +root_device=$(find_root_device) + +# the device for the /boot filesystem +boot_device=$(find_device "/boot") + +# Full path to the device.map +device_map=$grub_dir/device.map + +# Default kernel options, overidden by the kopt statement in the menufile. +loop_file=$(awk '$2=="/" && $4~"loop" {print $1}' /etc/fstab) +if [ -n "$loop_file" ]; then + dev_mountpoint=$(awk '"'${loop_file}'"~"^"$2 && $2!="/" {print $1";"$2}' /proc/mounts|tail -n 1) + host_device="${dev_mountpoint%;*}" + host_mountpoint="${dev_mountpoint#*;}" +fi +if [ -n "$host_device" ]; then + boot_device= + root_device="$host_device" + default_kopt="root=$host_device loop=${loop_file#$host_mountpoint} ro" +else + default_kopt="root=$root_device ro" +fi +default_kopt="$(convert_kopt_to_uuid "$default_kopt")" +kopt="$default_kopt" + +# Title +title=$(lsb_release --short --description 2>/dev/null) || title="Ubuntu" + +# should update-grub remember the default entry +updatedefaultentry="false" + +# Drive(in GRUB terms) where the kernel is located. Overridden by the +# kopt statement in menufile. +# if we don't have a device.map then we can't use the convert function. + +# Try to use a UUID instead of the GRUB device name. +if test -z "$boot_device" ; then + uuid=$(convert_to_uuid "$root_device") +else + uuid=$(convert_to_uuid "$boot_device") +fi + +#if [ -n "$uuid" ]; then +# grub_root_device="$uuid" +#fi +## The ec2 provide pv-grub do not support 'uuid' so we have to use a grub name +## when presented to grub, the root filesystem is on what grub sees +## as a bare disk (hd0), rather than what we see it as in user space (sda1). +grub_root_device_fallback="(hd0)" +grub_root_device="${grub_root_device_fallback}" + +check_removable="" +if true; then + if test -f "$device_map"; then + if test -z "$boot_device" ; then + grub_root_device=$(convert_default "$root_device") + check_removable="$(is_removable "$root_device")" + else + grub_root_device=$(convert_default "$boot_device") + check_removable="$(is_removable "$boot_device")" + fi + else + grub_root_device="${grub_root_device_fallback}" + fi +fi + +# If the root/boot device is on a removable target, we need to override +# the grub_root_device to (hd0,X). This is a requirement since the BIOS +# will change device mapping dynamically if we switch boot device. + +if test -n "$check_removable" ; then + grub_root_device="$(echo "$grub_root_device" | sed -e 's/d.*,/d0,/g')" +fi + +# should grub create the alternative boot options in the menu + alternative="true" + +# should grub lock the alternative boot options in the menu + lockalternative="false" + +# additional options to use with the default boot option, but not with the +# alternatives + defoptions="console=hvc0" + +# should grub lock the old kernels + lockold="false" + +# Xen hypervisor options to use with the default Xen boot option + xenhopt="" + +# Xen Linux kernel options to use with the default Xen boot option + xenkopt="console=tty0" + +# options to use with the alternative boot options + altoptions="(recovery mode) single" + +# controls howmany kernels are listed in the config file, +# this does not include the alternative kernels + howmany="all" + +# should grub create a memtest86 entry + memtest86="true" + +# should grub add "savedefault" to default boot options + savedefault="false" + +# is grub running in a domU? + indomU="true" + +# stores the command line arguments + command_line_arguments=$1 + +# does this version of grub support the quiet option? +if [ -f ${grub_dir}/installed-version ] && dpkg --compare-versions `cat ${grub_dir}/installed-version` ge 0.97-11ubuntu4; then + supports_quiet=true +else + supports_quiet=false +fi + +# read user configuration +if test -f "/etc/default/grub" ; then + . /etc/default/grub +fi + +# Default options to use in a new config file. This will only be used if $menu_file +# doesn't already exist. Only edit the lines between the two "EOF"s. The others are +# part of the script. +newtemplate=$(tempfile) +cat >> "$newtemplate" <<EOF +# $menu_file_basename - See: grub(8), info grub, update-grub(8) +# grub-install(8), grub-floppy(8), +# grub-md5-crypt, /usr/share/doc/grub +# and /usr/share/doc/grub-legacy-doc/. + +## default num +# Set the default entry to the entry number NUM. Numbering starts from 0, and +# the entry number 0 is the default if the command is not used. +# +# You can specify 'saved' instead of a number. In this case, the default entry +# is the entry saved with the command 'savedefault'. +# WARNING: If you are using dmraid do not use 'savedefault' or your +# array will desync and will not let you boot your system. +default 0 + +## timeout sec +# Set a timeout, in SEC seconds, before automatically booting the default entry +# (normally the first entry defined). +# on ec2, with no console access, there is no reason for a timeout. set to 0. +timeout 0 + +## hiddenmenu +# Hides the menu by default (press ESC to see the menu) +hiddenmenu + +# Pretty colours +#color cyan/blue white/blue + +## password ['--md5'] passwd +# If used in the first section of a menu file, disable all interactive editing +# control (menu entry editor and command-line) and entries protected by the +# command 'lock' +# e.g. password topsecret +# password --md5 \$1\$gLhU0/\$aW78kHK1QfV3P2b2znUoe/ +# password topsecret + +# +# examples +# +# title Windows 95/98/NT/2000 +# root (hd0,0) +# makeactive +# chainloader +1 +# +# title Linux +# root (hd0,1) +# kernel /vmlinuz root=/dev/hda2 ro +# + +# +# Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST + +EOF +## End Configuration Options + +echo -n "Searching for default file ... " >&2 +if [ -f "$default_file" ] ; then + echo "found: $default_file" >&2 +else + echo "Generating $default_file file and setting the default boot entry to 0" >&2 + grub-set-default 0 +fi + +# Make sure we use the standard sorting order +LC_COLLATE=C +# Magic markers we use +start="### BEGIN AUTOMAGIC KERNELS LIST" +end="### END DEBIAN AUTOMAGIC KERNELS LIST" + +startopt="## ## Start Default Options ##" +endopt="## ## End Default Options ##" + +# path to grub2 +grub2name="/boot/grub/core.img" + +# Extract options from config file +ExtractMenuOpt() +{ + opt=$1 + + sed -ne "/^$start\$/,/^$end\$/ { + /^$startopt\$/,/^$endopt\$/ { + /^# $opt=/ { + s/^# $opt=\(.*\)\$/\1/ + p + } + } + }" $menu +} + +GetMenuOpts() +{ + opt=$1 + + sed -ne "/^$start\$/,/^$end\$/ { + /^$startopt\$/,/^$endopt\$/ { + /^# $opt=/ { + p + } + } + }" $menu +} + +ExtractMenuOpts() +{ + opt=$1 + + GetMenuOpts $opt | sed "s/^# $opt=\(.*\)\$/\1=\"\2\"/" +} + +GetMenuOpt() +{ + opt=$1 + value=$2 + + [ -z "$(GetMenuOpts "$opt")" ] || value=$(ExtractMenuOpt "$opt") + + echo $value +} + +# Compares two version strings A and B +# Returns -1 if A<B +# 0 if A==B +# 1 if A>B +# This compares version numbers of the form +# 2.4.14.2 > 2.4.14 +# 2.4.14random = 2.4.14-random > 2.4.14-ac10 > 2.4.14 > 2.4.14-pre2 > +# 2.4.14-pre1 > 2.4.13-ac99 +CompareVersions() +{ + #Changes the line something-x.y.z into somthing-x.y.z.q + #This is to ensure that kernels with a .q is treated as higher than the ones without + #First a space is put after the version number + v1=$(echo $1 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2,3\}[0-9]\+\)\(.*\)!\1 \3!g') + v2=$(echo $2 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2,3\}[0-9]\+\)\(.*\)!\1 \3!g') + #If the version number only has 3 digits then put in another .0 + v1=$(echo $v1 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2\}[0-9]\+\)\( .*\|$\)!\1.0 \3!g') + v2=$(echo $v2 | sed -e 's!^\(.*-\([0-9]\+\.\)\{2\}[0-9]\+\)\( .*\|$\)!\1.0 \3!g') + + # Then split the version number and remove any '.' 's or dashes + v1=$(echo $v1 | sed -e 's![-\.]\+! !g' -e 's!\([0-9]\)\([[:alpha:]]\)!\1 \2!') + v2=$(echo $v2 | sed -e 's![-\.]\+! !g' -e 's!\([0-9]\)\([[:alpha:]]\)!\1 \2!') + + # we weight different kernel suffixes here + # ac = 50 + # pre = -50 + # rc = -40 + # test = -60 + # others are given 99 + v1=$(echo $v1 | sed -e 's! k7! 786 !g' -e 's! ac! 50 !g' -e 's! rc! -40 !g' -e 's! pre! -50 !g' -e 's! test! -60 !g' -e 's![^ ]*[^-0-9 ][^ ]*!99!g') + + v2=$(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') + + result=0; v1finished=0; v2finished=0; + while [ $result -eq 0 ] && [ $v1finished -eq 0 ] && [ $v2finished -eq 0 ]; + do + if [ "$v1" = "" ]; then + v1comp=0; v1finished=1 + else + set -- $v1; v1comp=$1; shift; v1=$* + fi + + if [ "$v2" = "" ]; then + v2comp=0; v2finished=1 + else + set -- $v2; v2comp=$1; shift; v2=$* + fi + + set +e + result=`expr $v1comp - $v2comp` + result=`expr substr $result 1 2` + set -e + + if [ $result -gt 0 ]; then result=1 + elif [ $result -lt 0 ]; then result=-1 + fi + done + + # finally return the result + echo $result +} + +# looks in the directory specified for an initrd image with the version specified +FindInitrdName() +{ + # strip trailing slashes + directory=$(echo $1 | sed -e 's#/*$##') + version=$2 + + # initrd + # initrd.img + # initrd-lvm + # .*.gz + + initrdName="" + names="initrd initrd.img initrd-lvm" + compressed="gz" + + for n in $names ; do + # make sure we haven't already found it + if [ -z "$initrdName" ] ; then + if [ -f "$directory/$n$version" ] ; then + initrdName="$n$version" + break + else + for c in $compressed ; do + if [ -f "$directory/$n$version.$c" ] ; then + initrdName="$n$version.$c" + break + fi + done + fi + else + break + fi + done + + # return the result + echo $initrdName +} + +FindXenHypervisorVersions () +{ + version=$1 + + if [ -f "/var/lib/linux-image-$version/xen-versions" ]; then + ret="$(cat /var/lib/linux-image-$version/xen-versions)" + fi + + echo $ret +} + +get_kernel_opt() +{ + kernel_version=$1 + + version=$(echo $kernel_version | sed 's/^[^0-9]*//') + version=$(echo $version | sed 's/[-\+\.]/_/g') + if [ -n "$version" ] ; then + while [ -n "$version" ] ; do + currentOpt="$(eval "echo \${kopt_$version}")" + if [ -n "$currentOpt" ] ; then + break + fi + + oldversion="$version" + version=$(echo $version | sed 's/_\?[^_]*$//') + if [ "$version" = "$oldversion" ] ; then + # Break infinite loop, if the version isn't what we expect + break + fi + done + fi + + if [ -z "$currentOpt" ] ; then + currentOpt=$kopt + fi + + echo $currentOpt +} + +write_kernel_entry() +{ + local kernel_version; kernel_version=$1; shift + local recovery_desc; recovery_desc=$1; shift + local lock_alternative; lock_alternative=$1; shift + local grub_root_device; grub_root_device=$1; shift + local kernel; kernel=$1; shift + local kernel_options; kernel_options=$1; shift + local recovery_suffix; recovery_suffix=$1; shift + local initrd; initrd=$1; shift + local savedefault; savedefault=$1; shift + local lockold; lockold=$1; shift + local dapper_upgrade; dapper_upgrade=$1; shift + local hypervisor + if [ -n "$1" ]; then + # Hypervisor. + hypervisor=$1; shift + local hypervisor_image; hypervisor_image=$1; shift + local hypervisor_version; hypervisor_version=$1; shift + local hypervisor_options; hypervisor_options=$1; shift + fi + + echo -n "title " >> $buffer + + if [ -n "$hypervisor" ]; then + echo -n "$hypervisor $hypervisor_version / " >> $buffer + fi + + echo -n "$title" >> $buffer + if [ -n "$kernel_version" ]; then + echo -n ", " >> $buffer + # memtest86 is not strictly a kernel + if ! echo "$kernel_version" | grep -q ^memtest86; then + echo -n "kernel " >> $buffer + fi + echo -n "$kernel_version" >> $buffer + fi + if [ -n "$recovery_desc" ]; then + echo -n " $recovery_desc" >> $buffer + fi + echo >> $buffer + + # lock the alternative options + if test x"$lock_alternative" = x"true" ; then + echo "lock" >> $buffer + fi + # lock the old entries + if test x"$lockold" = x"true" ; then + echo "lock" >> $buffer + fi + + case "$grub_root_device" in + [^A-Za-z0-9]*) + echo "root $grub_root_device" >> $buffer + ;; + *) + echo "uuid $grub_root_device" >> $buffer + ;; + esac + + echo -n "kernel " >> $buffer + if [ -n "$hypervisor" ]; then + echo -n "$hypervisor_image" >> $buffer + if [ -n "$hypervisor_options" ]; then + echo -n " $hypervisor_options" >> $buffer + fi + echo >> $buffer + echo -n "module " >> $buffer + fi + echo -n "$kernel" >> $buffer + if [ -n "$kernel_options" ]; then + echo -n " $kernel_options" >> $buffer + fi + if [ -n "$recovery_desc" ]; then + echo -n " $recovery_suffix" >> $buffer + fi + if [ -n "$dapper_upgrade" -a -z "$kernel_options$recovery_desc" ]; then + echo -n " " >> $buffer + fi + echo >> $buffer + + if [ -n "$initrd" ]; then + if [ -n "$hypervisor" ]; then + echo -n "module " >> $buffer + else + echo -n "initrd " >> $buffer + fi + echo "$initrd" >> $buffer + fi + + if [ ! -n "$recovery_desc" -a x"$supports_quiet" = x"true" -a -z "$dapper_upgrade" ]; then + echo "quiet" >> $buffer + fi + + if test x"$savedefault" = x"true" ; then + echo "savedefault" >> $buffer + fi + if test x"$dapper_upgrade" != x ; then + echo "boot" >> $buffer + fi + echo >> $buffer +} + +## write out the kernel entries +output_kernel_list() { + counter=0 + + # Xen entries first. + for kern in $xenKernels ; do + if test ! x"$howmany" = x"all" ; then + if [ $counter -gt $howmany ] ; then + break + fi + fi + + kernelName=$(basename $kern) + kernelVersion=$(echo $kernelName | sed -e 's/vmlinuz//') + + initrdName=$(FindInitrdName "/boot" "$kernelVersion") + initrd="" + + kernel=$kernel_dir/$kernelName + if [ -n "$initrdName" ] ; then + initrd=$kernel_dir/$initrdName + fi + + kernelVersion=$(echo $kernelVersion | sed -e 's/^-//') + currentOpt=$(get_kernel_opt $kernelVersion) + + hypervisorVersions=$(FindXenHypervisorVersions "$kernelVersion") + + found= + for hypervisorVersion in $hypervisorVersions; do + hypervisor="$kernel_dir/xen-$hypervisorVersion.gz" + if [ -e "$hypervisor" ]; then + found=1 + + echo "Found Xen hypervisor $hypervisorVersion, kernel: $kernel" >&2 + + write_kernel_entry "$kernelVersion" '' '' "$grub_root_device" \ + "$kernel" "$currentOpt $xenkopt" '' "$initrd" "$savedefault" '' "$dapper_upgrade" \ + Xen "$hypervisor" "$hypervisorVersion" "$xenhopt" + counter=$(($counter + 1)) + fi + done + + if [ -z $found ]; then + for hypervisor in $hypervisors; do + hypVersion=`basename "$hypervisor" .gz | sed s%xen-%%` + + echo "Found Xen hypervisor $hypVersion, kernel: $kernel" >&2 + + write_kernel_entry "$kernelVersion" '' '' "$grub_root_device" \ + "$kernel" "$currentOpt $xenkopt" '' "$initrd" "$savedefault" '' "$dapper_upgrade" \ + Xen "$kernel_dir/$hypervisor" "$hypVersion" "$xenhopt" + counter=$(($counter + 1)) + done + fi + done + + for kern in $sortedKernels ; do + counter=$(($counter + 1)) + if test ! x"$howmany" = x"all" ; then + if [ $counter -gt $howmany ] ; then + break + fi + fi + kernelName=$(basename $kern) + initrdName="" + initrd="" + extra_opts="" + + if [ "$kern" = "/boot/last-good-boot/vmlinuz" ]; then + kernelVersion="Last successful boot" + if [ -e "/boot/last-good-boot/initrd.img" ]; then + initrdName="last-good-boot/initrd.img" + fi + kernelName="last-good-boot/vmlinuz" + extra_opts="$extra_opts last-good-boot" + else + kernelVersion=$(echo $kernelName | sed -e 's/vmlinuz//') + initrdName=$(FindInitrdName "/boot" "$kernelVersion") + if [ -x "/usr/bin/makedumpfile" ] && [ -x "/sbin/kexec" ]; then + extra_opts="$extra_opts crashkernel=384M-2G:64M,2G-:128M" + fi + fi + + kernel=$kernel_dir/$kernelName + + if [ -n "$initrdName" ] ; then + initrd=$kernel_dir/$initrdName + fi + + echo "Found kernel: $kernel" >&2 + + if [ "$kernelName" = "vmlinuz" ]; then + if [ -L "/boot/$kernelName" ]; then + kernelVersion=`readlink -f "/boot/$kernelName"` + kernelVersion=$(echo $kernelVersion | sed -e 's/.*vmlinuz-//') + kernelVersion="$kernelVersion Default" + else + kernelVersion="Default" + fi + fi + if [ "$kernelName" = "vmlinuz.old" ]; then + if [ -L "/boot/$kernelName" ]; then + kernelVersion=`readlink -f "/boot/$kernelName"` + kernelVersion=$(echo $kernelVersion | sed -e 's/.*vmlinuz-//') + kernelVersion="$kernelVersion Previous" + else + kernelVersion="Previous" + fi + fi + + kernelVersion=$(echo $kernelVersion | sed -e 's/^-//') + + currentOpt=$(get_kernel_opt $kernelVersion) + + do_lockold=$lockold + # do not lockold for the first entry + [ $counter -eq 1 ] && do_lockold=false + + if [ "$kernelName" = "last-good-boot/vmlinuz" ]; then + if [ -e /boot/last-good-boot/cmdline ]; then + cmdline="$(cat /boot/last-good-boot/cmdline) last-good-boot" + else + cmdline="$currentOpt $defoptions $extra_opts" + fi + write_kernel_entry "$kernelVersion" "" "" "$grub_root_device" "$kernel" \ + "$cmdline" "" "$initrd" "$savedefault" "$do_lockold" \ + "$dapper_upgrade" + else + write_kernel_entry "$kernelVersion" "" "" "$grub_root_device" "$kernel" \ + "$currentOpt $defoptions $extra_opts" "" "$initrd" "$savedefault" \ + "$do_lockold" "$dapper_upgrade" + fi + + # insert the alternative boot options + if test ! x"$alternative" = x"false" && \ + test ! x"$kernelName" = x"last-good-boot/vmlinuz"; then + # for each altoptions line do this stuff + sed -ne 's/# altoptions=\(.*\)/\1/p' $buffer | while read line; do + descr=$(echo $line | sed -ne 's/\(([^)]*)\)[[:space:]]\(.*\)/\1/p') + suffix=$(echo $line | sed -ne 's/\(([^)]*)\)[[:space:]]\(.*\)/\2/p') + + test x"$lockalternative" = x"true" && do_lockold=false + write_kernel_entry "$kernelVersion" "$descr" "$lockalternative" \ + "$grub_root_device" "$kernel" "$currentOpt $extra_opts" \ + "$suffix" "$initrd" "false" "$do_lockold" \ + "$dapper_upgrade" + done + fi + done + +## Adding the chainload stanza is simply confusing, and for +## legacy ec2 grub, it will never be used. LP: #627451 +## +# if test -f $grub2name ; then +# echo "Found GRUB 2: $grub2name" >&2 +# cat >> $buffer << EOF +#title Chainload into GRUB 2 +#root $grub_root_device +#kernel $grub2name +#EOF +# if test x"$savedefault" = x"true" ; then +# echo "savedefault" >> $buffer +# fi +# echo >> $buffer +# fi + + memtest86names="memtest86 memtest86+" + + if test ! x"$memtest86" = x"false" ; then + for name in $memtest86names ; do + if test -f "/boot/$name.bin" ; then + kernelVersion="$name" + kernel="$kernel_dir/$name.bin" + currentOpt= + initrd= + + echo "Found kernel: $kernel" >&2 + + write_kernel_entry "$kernelVersion" "" "" "$grub_root_device" \ + "$kernel" "$currentOpt" "" "$initrd" "false" "" "$dapper_upgrade" + fi + done + fi + + echo $end >> $buffer +} + +ucf_update_kernels() { + local target; target="$1" + local buffer; buffer="$2" + + sed -ni -e"/$endopt/,/$end/p" "$buffer" + + if [ "x$initialconfig" = "x" ]; then + sed -n -e"/$endopt/,/$end/p" < $menu > $ucf_menu_file + else + cat $buffer > $ucf_menu_file + fi + + db_x_loadtemplatefile "$(dpkg-query --control-path grub-legacy-ec2 templates)" grub + + ucf --debconf-ok \ + --debconf-template grub/update_grub_changeprompt_threeway \ + --three-way "$buffer" $ucf_menu_file + rm "$buffer" + + # now re-merge the ucf results with the target file + sed -i -e "/^$endopt/,/^$end/ { + /^$endopt/r $ucf_menu_file + d + } + " $target + + rm -f $ucf_menu_file ${ucf_menu_file}.ucf-old +} + + +echo -n "Testing for an existing GRUB $menu_file_basename file ... " >&2 + +# Test if our menu file exists +if [ -f "$menu_file" ] ; then + menu="$menu_file" + rm -f $newtemplate + unset newtemplate + echo "found: $menu_file" >&2 + cp -f "$menu_file" "$menu_file~" +else + # if not ask user if they want us to create one + initialconfig=1 + menu="$menu_file" + echo >&2 + echo >&2 + echo -n "Could not find $menu_file file. " >&2 + if [ "-y" = "$command_line_arguments" ] ; then + echo >&2 + echo "Generating $menu_file" >&2 + answer=y + else + echo -n "Would you like $menu_file generated for you? " >&2 + echo -n "(y/N) " >&2 + read answer <&2 + fi + + case "$answer" in + y* | Y*) + cat "$newtemplate" > $menu_file + rm -f $newtemplate + unset newtemplate + ;; + *) + abort "Not creating $menu_file as you wish" + ;; + esac +fi + +# Extract the kernel options to use +kopt=$(GetMenuOpt "kopt" "$kopt") + +# Extract options for specific kernels +opts="$(ExtractMenuOpts "\(kopt_[[:alnum:]_]\+\)")" +test -z "$opts" || eval "$opts" +CustomKopts=$(GetMenuOpts "\(kopt_[[:alnum:]_]\+\)" | \ + grep -v "^# kopt_2_6=" || true) + +# Set the kernel 2.6 option only for fresh install (but convert it to +# mount-by-UUID on upgrade) +test -z "$kopt_2_6" && test -z "$(GetMenuOpt "kopt" "")" && \ + kopt_2_6="$default_kopt" + +# Extract the grub root +grub_root_device=$(GetMenuOpt "groot" "$grub_root_device") +groot_cfg=$(GetMenuOpt groot "${grub_root_device_fallback}") +case "${groot_cfg}" in + [^A-Za-z0-9]*) :;; + *) + echo "uuid not supported. update 'groot' in ${menu_file}" >&2; + abort "groot must be grub root device (ie '(hd0)'). not '${groot_cfg}'" >&2; +esac + +# Extract the old recovery value +alternative=$(GetMenuOpt "recovery" "$alternative") + +# Extract the alternative value +alternative=$(GetMenuOpt "alternative" "$alternative") + +# Extract the lockalternative value +lockalternative=$(GetMenuOpt "lockalternative" "$lockalternative") + +# Extract the additional default options +# Check nonaltoptions too for compatibility with Ubuntu <= 5.10 +defoptions=$(GetMenuOpt "nonaltoptions" "$defoptions") +defoptions=$(GetMenuOpt "defoptions" "$defoptions") + +# Extract the lockold value +lockold=$(GetMenuOpt "lockold" "$lockold") + +# Extract Xen hypervisor options +xenhopt=$(GetMenuOpt "xenhopt" "$xenhopt") + +# Extract Xen Linux kernel options +xenkopt=$(GetMenuOpt "xenkopt" "$xenkopt") + +# Extract the howmany value +howmany=$(GetMenuOpt "howmany" "$howmany") + +# Extract the memtest86 value +memtest86=$(GetMenuOpt "memtest86" "$memtest86") + +# Extract the indomU value +indomU=$(GetMenuOpt "indomU" "$indomU") + +# Extract the updatedefaultentry option +updatedefaultentry=$(GetMenuOpt "updatedefaultentry" "$updatedefaultentry") + +# If "default saved" is in use, set the default to true +grep -q "^default.*saved" $menu && savedefault=true +# Extract the savedefault option +savedefault=$(GetMenuOpt "savedefault" "$savedefault") + +# Generate the menu options we want to insert +buffer=$(tempfile) +echo $start >> $buffer +echo "## lines between the AUTOMAGIC KERNELS LIST markers will be modified" >> $buffer +echo "## by the debian update-grub script except for the default options below" >> $buffer +echo >> $buffer +echo "## DO NOT UNCOMMENT THEM, Just edit them to your needs" >> $buffer +echo >> $buffer +echo "## ## Start Default Options ##" >> $buffer + +echo "## default kernel options" >> $buffer +echo "## default kernel options for automagic boot options" >> $buffer +echo "## If you want special options for specific kernels use kopt_x_y_z" >> $buffer +echo "## where x.y.z is kernel version. Minor versions can be omitted." >> $buffer +echo "## e.g. kopt=root=/dev/hda1 ro" >> $buffer +echo "## kopt_2_6_8=root=/dev/hdc1 ro" >> $buffer +echo "## kopt_2_6_8_2_686=root=/dev/hdc2 ro" >> $buffer +echo "# kopt=$kopt" >> $buffer +if [ -n "$kopt_2_6" ] && [ "$kopt" != "$kopt_2_6" ]; then + echo "# kopt_2_6=$kopt_2_6" >> $buffer +fi +if [ -n "$CustomKopts" ] ; then + echo "$CustomKopts" >> $buffer +fi +echo >> $buffer + +echo "## default grub root device" >> $buffer +echo "## e.g. groot=${grub_root_device_fallback}" >> $buffer +echo "# groot=$grub_root_device" >> $buffer +echo >> $buffer + +echo "## should update-grub create alternative automagic boot options" >> $buffer +echo "## e.g. alternative=true" >> $buffer +echo "## alternative=false" >> $buffer +echo "# alternative=$alternative" >> $buffer +echo >> $buffer + +echo "## should update-grub lock alternative automagic boot options" >> $buffer +echo "## e.g. lockalternative=true" >> $buffer +echo "## lockalternative=false" >> $buffer +echo "# lockalternative=$lockalternative" >> $buffer +echo >> $buffer + +echo "## additional options to use with the default boot option, but not with the" >> $buffer +echo "## alternatives" >> $buffer +echo "## e.g. defoptions=vga=791 resume=/dev/hda5" >> $buffer +echo "# defoptions=$defoptions" >> $buffer +echo >> $buffer + +echo "## should update-grub lock old automagic boot options" >> $buffer +echo "## e.g. lockold=false" >> $buffer +echo "## lockold=true" >> $buffer +echo "# lockold=$lockold" >> $buffer +echo >> $buffer + +echo "## Xen hypervisor options to use with the default Xen boot option" >> $buffer +echo "# xenhopt=$xenhopt" >> $buffer +echo >> $buffer + +echo "## Xen Linux kernel options to use with the default Xen boot option" >> $buffer +echo "# xenkopt=$xenkopt" >> $buffer +echo >> $buffer + +echo "## altoption boot targets option" >> $buffer +echo "## multiple altoptions lines are allowed" >> $buffer +echo "## e.g. altoptions=(extra menu suffix) extra boot options" >> $buffer +echo "## altoptions=(recovery) single" >> $buffer + +if ! grep -q "^# altoptions" $menu ; then + echo "# altoptions=$altoptions" >> $buffer +else + grep "^# altoptions" $menu >> $buffer +fi +echo >> $buffer + +echo "## controls how many kernels should be put into the $menu_file_basename" >> $buffer +echo "## only counts the first occurence of a kernel, not the" >> $buffer +echo "## alternative kernel options" >> $buffer +echo "## e.g. howmany=all" >> $buffer +echo "## howmany=7" >> $buffer +echo "# howmany=$howmany" >> $buffer +echo >> $buffer + +echo "## specify if running in Xen domU or have grub detect automatically" >> $buffer +echo "## update-grub will ignore non-xen kernels when running in domU and vice versa" >> $buffer +echo "## e.g. indomU=detect" >> $buffer +echo "## indomU=true" >> $buffer +echo "## indomU=false" >> $buffer +echo "# indomU=$indomU" >> $buffer +echo >> $buffer + +echo "## should update-grub create memtest86 boot option" >> $buffer +echo "## e.g. memtest86=true" >> $buffer +echo "## memtest86=false" >> $buffer +echo "# memtest86=$memtest86" >> $buffer +echo >> $buffer + +echo "## should update-grub adjust the value of the default booted system" >> $buffer +echo "## can be true or false" >> $buffer +echo "# updatedefaultentry=$updatedefaultentry" >> $buffer +echo >> $buffer + +echo "## should update-grub add savedefault to the default options" >> $buffer +echo "## can be true or false" >> $buffer +echo "# savedefault=$savedefault" >> $buffer +echo >> $buffer + +echo "## ## End Default Options ##" >> $buffer +echo >> $buffer + +echo -n "Searching for splash image ... " >&2 +current_splash=`grep '^splashimage=' ${menu_file} || true` +splash_root_device="" +splash_uuid="" +case "$grub_root_device" in + [^A-Za-z0-9]*) + splash_root_device=${grub_root_device} + ;; + *) + splash_uuid="uuid $grub_root_device" + ;; +esac +splashimage_path="splashimage=${splash_root_device}${grub_dir##${boot_device:+/boot}}/splash.xpm.gz" +if [ `sed -e "/^$start/,/^$end/d" $menu_file | grep -c '^splashimage='` != "0" ] ; then + #checks for splashscreen defined outside the autoupdated part + splashimage=$(grep '^splashimage=' ${menu_file}) + echo "found: ${splashimage##*=}" >&2 + echo >&2 +elif [ -f "${grub_dir}/splash.xpm.gz" ] && [ "$current_splash" = "" ]; then + echo "found: /boot/grub/splash.xpm.gz" >&2 + echo "$splash_uuid" >> $buffer + echo "$splashimage_path" >> $buffer + echo >> $buffer +elif [ -f "${grub_dir}/splash.xpm.gz" ] && [ "$current_splash" = "$splashimage_path" ]; then + echo "found: /boot/grub/splash.xpm.gz" >&2 + echo "$splash_uuid" >> $buffer + echo "$splashimage_path" >> $buffer + echo >> $buffer +elif [ "$current_splash" != "" ] && [ "$current_splash" != "$splashimage_path" ]; then + echo "found but preserving previous setting: $(grep '^splashimage=' ${menu_file})" >&2 + echo "$splash_uuid" >> $buffer + echo "$current_splash" >> $buffer + echo >> $buffer +else + echo "none found, skipping ..." >&2 +fi + + +hypervisors="" +for hyp in /boot/xen-*.gz; do + if [ ! -h "$hyp" ] && [ -f "$hyp" ]; then + hypervisors="$hypervisors `basename "$hyp"`" + fi +done + +# figure out where grub looks for the kernels at boot time +kernel_dir=/boot +if [ -n "$boot_device" ] ; then + kernel_dir= +fi + + +# We need a static path to use for the ucf registration; since we're not +# using the full menu.lst file (maybe we should, just copying it around? +# C.f. discussion with Manoj), create a directory in a fixed location +# even though we're not treating the file in that location as +# persistent. +mkdir -p /var/run/grub + +# The first time ucf sees the file, we can only assume any difference +# between the magic comments and the kernel options is a result of local +# mods, so this will result in a ucf prompt for anyone whose first +# invocation of update-grub is as a result of updating the magic comments. +if ! ucfq grub | grep -q $ucf_menu_file; then + otherbuffer=$(tempfile) + cat $buffer > $otherbuffer + + sortedKernels=`sed -n -e " + /$endopt/,/$end/ { + s/^kernel[[:space:]]\+\([^[:space:]]\+\).*/\1/p + }" < $menu | grep -vE "memtest86|$grub2name|xen" | uniq` + xenKernels=`sed -n -e " + /$endopt/,/$end/ { + s/^module[[:space:]]\+\([^[:space:]]*vmlinuz[^[:space:]]\+\).*/\1/p + }" < $menu | uniq` + + savebuffer="$buffer" + buffer="$otherbuffer" + savetitle="$title" + title="$(sed -n -e "/$endopt/,/$end/ { + s/^title[[:space:]]\+\(.*\),.*/\1/p + }" < $menu | head -n 1)" + if [ -z "$title" ]; then + title="$savetitle" + fi + + # Hack: the kernel list output in Ubuntu 6.06 was different than + # in the current version, so to support smooth upgrades we need to + # properly detect a config generated by this old version of + # update-grub and mimic it for the initial ucf registration + dapper_upgrade=`sed -n -e " + /$endopt/,/$end/ { + /^boot/p + }" < $menu` + save_savedefault="$savedefault" + if [ -n "$dapper_upgrade" ]; then + savedefault=true + fi + + output_kernel_list + + savedefault="$save_savedefault" + dapper_upgrade="" + buffer="$savebuffer" + title="$savetitle" + + ucf_update_kernels "$menu" "$otherbuffer" + + # all done, now register it + ucfr grub $ucf_menu_file +fi + + +if ! type is_xen_kernel >/dev/null 2>&1; then + is_xen_kernel() { + # input is like /boot/vmlinuz-2.6.35-13-virtual + # get the version string out of it. + local ver_flavor=""; + ver_flavor="${1##*vmlinuz-}" + + case "${ver_flavor}" in + *-ec2) return 0;; + *-virtual) + # 10.04 LTS through 12.04 LTS -virtual is the EC2/Xen kernel + dpkg --compare-versions ${ver_flavor%-virtual} gt 2.6.35-13 && return 0;; + *-generic) + # Starting with 12.10, -virtual was merged into -generic + dpkg --compare-versions ${ver_flavor%-generic} ge 3.4.0-3 && return 0;; + esac + return 1; + } +fi + +for kern in /boot/vmlinuz-*; do + is_xen_kernel "${kern}" && + xen_verlist="${xen_verlist} ${kern#/boot/vmlinuz-}" +done +xen_verlist=${xen_verlist# } + +xenKernels="" +for ver in ${xen_verlist}; do + # ver is a kernel version + kern="/boot/vmlinuz-$ver" + if [ -r $kern ] ; then + newerKernels="" + for i in $xenKernels ; do + res=$(CompareVersions "$kern" "$i") + if [ "$kern" != "" ] && [ "$res" -gt 0 ] ; then + newerKernels="$newerKernels $kern $i" + kern="" + else + newerKernels="$newerKernels $i" + fi + done + if [ "$kern" != "" ] ; then + newerKernels="$newerKernels $kern" + fi + xenKernels="$newerKernels" + fi +done +xenKernels=" ${xenKernels} " + +if [ "$indomU" = "detect" ]; then + if [ -e /proc/xen/capabilities ] && ! grep -q "control_d" /proc/xen/capabilities; then + indomU="true" + else + indomU="false" + fi +fi + +sortedKernels="" +for kern in $(/bin/ls -1vr /boot | grep -v "dpkg-*" | grep "^vmlinuz-") ; do + if `echo "$xenKernels" | grep -q "$kern "` || `echo "$kern" | grep -q "xen"`; then + is_xen=1 + else + is_xen= + fi + + if [ "$indomU" = "false" ] && [ "$is_xen" ]; then + # We aren't running in a Xen domU, skip xen kernels + echo "Ignoring Xen kernel on non-Xen host: $kern" + continue + elif [ "$indomU" = "true" ] && ! [ "$is_xen" ]; then + # We are running in a Xen domU, skip non-xen kernels + echo "Ignoring non-Xen Kernel on Xen domU host: $kern" + continue + fi + + kern="/boot/$kern" + newerKernels="" + for i in $sortedKernels ; do + res=$(CompareVersions "$kern" "$i") + if [ "$kern" != "" ] && [ "$res" -gt 0 ] ; then + newerKernels="$newerKernels $kern $i" + kern="" + else + newerKernels="$newerKernels $i" + fi + done + if [ "$kern" != "" ] ; then + newerKernels="$newerKernels $kern" + fi + sortedKernels="$newerKernels" +done + +if test -f "/boot/vmlinuz.old" ; then + sortedKernels="/boot/vmlinuz.old $sortedKernels" +fi +if test -f "/boot/vmlinuz" ; then + sortedKernels="/boot/vmlinuz $sortedKernels" +fi + +# Add our last-good-boot kernel, second in list. We always add it, because +# it can appear out of nowhere. +newerKernels="" +last_good="/boot/last-good-boot/vmlinuz" +if [ -e "$last_good" ]; then + for i in $sortedKernels ; do + if [ "$last_good" != "" ]; then + newerKernels="$i $last_good" + last_good="" + else + newerKernels="$newerKernels $i" + fi + done + # Shouldn't happen, unless someone removed all the kernels + if [ "$last_good" != "" ]; then + newerKernels="$newerKernels $last_good" + fi + sortedKernels="$newerKernels" +fi + +#Finding the value the default line +use_grub_set_default="false" +if test "$updatedefaultentry" = "true" ; then + defaultEntryNumber=$(sed -ne 's/^[[:blank:]]*default[[:blank:]]*\(.*\).*/\1/p' $menu) + + if [ "$defaultEntryNumber" = "saved" ] ; then + defaultEntryNumber=$(sed 'q' "$grub_dir/default") + use_grub_set_default="true" + fi + + if test -n "$defaultEntryNumber"; then + defaultEntryNumberPlusOne=$(expr $defaultEntryNumber \+ 1); + defaultEntry=$(grep "^[[:blank:]]*title" $menu | sed -ne "${defaultEntryNumberPlusOne}p" | sed -ne ";s/^[[:blank:]]*title[[:blank:]]*//p") + defaultEntry=$(echo $defaultEntry | sed -e "s/[[:blank:]]*$//") # don't trust trailing blanks + else + notChangeDefault="yes" + fi +else + notChangeDefault="yes" +fi + +output_kernel_list + +otherbuffer=$(tempfile) +cat $buffer > $otherbuffer + +ucf_update_kernels "$buffer" "$otherbuffer" + +echo -n "Updating $menu ... " >&2 +# Insert the new options into the menu +if ! grep -q "^$start" $menu ; then + cat $buffer >> $menu + rm -f $buffer +else + umask 077 + sed -e "/^$start/,/^$end/{ + /^$start/r $buffer + d + } + " $menu > $menu.new + cat $menu.new > $menu + rm -f $buffer $menu.new +fi + +# Function to update the default value +set_default_value() { + if [ "$use_grub_set_default" = "true" ] ; then + grub-set-default $1 + else + value="$1" + newmenu=$(tempfile) + sed -e "s/^[[:blank:]]*default[[:blank:]]*[[:digit:]]*\(.*\)/default ${value}\1/;b" $menu > $newmenu + cat $newmenu > $menu + rm -f $newmenu + unset newmenu + fi +} + +#Updating the default number +if test -z "$notChangeDefault"; then + newDefaultNumberPlusOne=$(grep "^[[:blank:]]*title[[:blank:]]*" $menu | grep -n "${defaultEntry}" | cut -f1 -d ":" | sed -ne "1p") + if test -z "$newDefaultNumberPlusOne"; then + echo "Previous default entry removed, resetting to 0">&2 + set_default_value "0" + elif test -z "$defaultEntry"; then + echo "Value of default value matches no entry, resetting to 0" >&2 + set_default_value "0" + else + if test "$newDefaultNumberPlusOne" = "1"; then + newDefaultNumber="0" + else + newDefaultNumber=$(expr $newDefaultNumberPlusOne - 1) + fi + echo "Updating the default booting kernel">&2 + set_default_value "$newDefaultNumber" + fi +fi + +echo "done" >&2 +echo >&2 |