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Diffstat (limited to 'update-menu-lst')
| -rwxr-xr-x | update-menu-lst | 1068 |
1 files changed, 1068 insertions, 0 deletions
diff --git a/update-menu-lst b/update-menu-lst new file mode 100755 index 0000000..ff0c60c --- /dev/null +++ b/update-menu-lst @@ -0,0 +1,1068 @@ +#!/bin/bash +# +# Insert a list of installed kernels in a grub config file +# Copyright 2001 Wichert Akkerman <wichert@linux.com> +# Copyright (C) 2007,2008 Free Software Foundation, Inc. +# +# 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 3 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, see <http://www.gnu.org/licenses/>. +# +# Contributors: +# Jason Thomas <jason@debian.org> +# David B.Harris <dbarclay10@yahoo.ca> +# Marc Haber <mh+debian-packages@zugschlus.de> +# Crispin Flowerday <crispin@zeus.com> + +# Abort on errors +set -e + +host_os=`uname -s | tr '[A-Z]' '[a-z]'` + +abort() { + message=$@ + + echo >&2 + echo -e "$message" >&2 + echo >&2 + exit 1 +} + +find_grub_dir () +{ + echo -n "Searching for GRUB installation directory ... " >&2 + + for d in /boot/grub /boot/boot/grub ; do + if [ -d "$d" ] ; then + grub_dir="$d" + break + fi + done + + if [ -z "$grub_dir" ] ; then + abort "No GRUB directory found.\n To create a template run 'mkdir /boot/grub' first." + else + echo "found: $grub_dir" >&2 + fi + + echo $grub_dir +} + +# This function was borrowed from grub2/util/update-grub_lib.in +make_system_path_relative_to_its_root () +{ + path=$1 + # abort if file doesn't exist + if test -e $path ; then : ;else + return 1 + fi + + # canonicalize + if path=`readlink -f $path` ; then : ; else + return 1 + fi + + # if not a directory, climb up to the directory containing it + if test -d $path ; then + dir=$path + else + dir=`echo $path | sed -e "s,/[^/]*$,,g"` + fi + + num=`stat -c %d $dir` + + # this loop sets $dir to the root directory of the filesystem we're inspecting + while : ; do + parent=`readlink -f $dir/..` + if [ "x`stat -c %d $parent`" = "x$num" ] ; then : ; else + # $parent is another filesystem; we found it. + break + fi + if [ "x$dir" = "x/" ] ; then + # / is our root. + break + fi + dir=$parent + done + + # This function never prints trailing slashes (so that its output can be + # appended a slash unconditionally). Each slash in $dir is considered a + # preceding slash, and therefore the root directory is an empty string. + if [ "$dir" = "/" ] ; then + dir="" + fi + + echo $path | sed -e "s,^$dir,,g" +} + +# The grub installation directory +grub_dir=$(find_grub_dir) + +# Full path to the device.map +device_map=$grub_dir/device.map + +find_device () +{ + if ! test -e ${device_map} ; then + echo quit | grub --batch --no-floppy --device-map=${device_map} > /dev/null + fi + grub-probe --device-map=${device_map} -t device $1 2> /dev/null +} + +# 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 $1 in + /dev/md[0-9] | /dev/md/[0-9]) + : ;; # Continue + *) + return 1 ;; + esac + + [ -x /sbin/mdadm ] || return 1 + + # Check that the raid device is raid1 + raidlevel=$(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. +convert () { + if ! test -e ${device_map} ; then + echo quit | grub --batch --no-floppy --device-map=${device_map} > /dev/null + fi + GRUB_LEGACY_0_BASED_PARTITIONS=1 grub-probe --device-map=${device_map} -t drive -d "$1" 2> /dev/null || { + echo "warning: grub-probe can't find drive for $1." >&2 + tmp_map=$(mktemp -t device.map.XXXXXXXX) + grub-mkdevicemap --device-map=${tmp_map} --no-floppy >/dev/null 2>&1 || true + GRUB_LEGACY_0_BASED_PARTITIONS=1 grub-probe --device-map=${tmp_map} -t drive -d "$1" || { + rm -f ${tmp_map} + return 1 + } + echo "Please check ${device_map}, you might have to regenerate it with grub-mkdevicemap." >&2 + rm -f ${tmp_map} + } +} + +# Usage: convert_default os_device +# Convert an OS device to the corresponding GRUB drive. +convert_default () { + # Check if device is software raid1 array + if tmp_dev=$(convert_raid1 $1 2>/dev/null) ; then + : # Use device returned by convert_raid1 + else + tmp_dev=$1 + fi + + convert $tmp_dev +} + +## Configuration Options + +# Full path to the menu.lst +menu_file_basename=menu.lst +menu_file=$grub_dir/$menu_file_basename + +# Full path to the default file +default_file_basename=default +default_file=$grub_dir/$default_file_basename + +# the device for the / filesystem +root_device=$(find_device "/") + +# loop-AES arranges things so that /dev/loop/X can be our root device, but +# the initrds that Linux uses don't like that. +case ${root_device} in + /dev/loop/*|/dev/loop[0-9]) + root_device=`losetup ${root_device} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"` + ;; +esac + +# the device for the /boot filesystem +boot_device=$(find_device "/boot") + +# where grub looks for the kernels at boot time +kernel_dir=`make_system_path_relative_to_its_root /boot` + +# the "-t abstraction" check is a workaround untill #484297 is fixed +if abstraction=`grub-probe -t abstraction --device ${root_device} 2> /dev/null` && [ "$abstraction" = "" ] && \ + root_uuid=`grub-probe --device-map=${device_map} --device ${root_device} --target=fs_uuid 2> /dev/null` && \ + test -e "/dev/disk/by-uuid/${root_uuid}" ; then + linux_root_device=UUID=${root_uuid} +else + linux_root_device=${root_device} +fi + +# Default kernel options, overidden by the kopt statement in the menufile. +kopt="root=$linux_root_device ro" + +# Title +title="Debian GNU/`uname -s | sed -e s,GNU/,,g`" + +# should update-grub remember the default entry +updatedefaultentry="false" + +# Drive(in GRUB terms) where the kernel is located. Overridden by the +# groot statement in menufile. +grub_root_device=$(convert_default "$boot_device") + +# 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="" + +# 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="(single-user 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" + +# stores the command line arguments + command_line_arguments=$1 + +# 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 +# $menu_file_basename - See: grub(8), info grub, update-grub(8) +# grub-install(8), grub-floppy(8), +# grub-md5-crypt, /usr/share/doc/grub +# and /usr/share/doc/grub-legacy-doc/. + +## default num +# Set the default entry to the entry number NUM. Numbering starts from 0, and +# the entry number 0 is the default if the command is not used. +# +# You can specify 'saved' instead of a number. In this case, the default entry +# is the entry saved with the command 'savedefault'. +# WARNING: If you are using dmraid do not change this entry to 'saved' or your +# array will desync and will not let you boot your system. +default 0 + +## timeout sec +# Set a timeout, in SEC seconds, before automatically booting the default entry +# (normally the first entry defined). +timeout 5 + +# Pretty colours +color cyan/blue white/blue + +## password ['--md5'] passwd +# If used in the first section of a menu file, disable all interactive editing +# control (menu entry editor and command-line) and entries protected by the +# command 'lock' +# e.g. password topsecret +# password --md5 \$1\$gLhU0/\$aW78kHK1QfV3P2b2znUoe/ +# password topsecret + +# +# examples +# +# title Windows 95/98/NT/2000 +# root (hd0,0) +# makeactive +# chainloader +1 +# +# title Linux +# root (hd0,1) +# kernel /vmlinuz root=/dev/hda2 ro +# + +# +# Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST + +EOF +## End Configuration Options + +echo -n "Searching for default file ... " >&2 +if [ -f "$default_file" ] ; then + echo "found: $default_file" >&2 +else + echo "Generating $default_file file and setting the default boot entry to 0" >&2 + if [ -f /usr/lib/grub-legacy/grub-set-default ] ; then + /usr/lib/grub-legacy/grub-set-default $1 + else + grub-set-default $1 + fi +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 ##" + +# 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() +{ + local sedexp="s,.*/vmlinu[zx]-,,g;s/[._-]\(pre\|rc\|test\|git\|trunk\)/~\1/g" + local a=`echo $1 | sed -e "$sedexp"` + local b=`echo $2 | sed -e "$sedexp"` + if [ "$a" = "$b" ] ; then + echo 0 + elif dpkg --compare-versions "$a" gt "$b" ; then + echo 1 + else + echo -1 + fi +} + +# 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 + version=$(echo $version | sed 's/_\?[^_]*$//') + 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 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 ", kernel $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 + + echo "root $grub_root_device" >> $buffer + + 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 + echo >> $buffer + + if [ -n "$initrd" ]; then + if [ -n "$hypervisor" ]; then + echo -n "module " >> $buffer + else + echo -n "initrd " >> $buffer + fi + echo "$initrd" >> $buffer + fi + + if test x"$savedefault" = x"true" ; then + echo "savedefault" >> $buffer + fi + echo >> $buffer +} + + +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" "$menu_file~" +else + # if not ask user if they want us to create one + menu="$menu_file" + echo >&2 + echo >&2 + if [ "-y" = "$command_line_arguments" ] ; then + echo "Warning: ignoring deprecated -y option." >&2 + fi + echo >&2 + echo "Generating $menu_file" >&2 + cat "$newtemplate" > $menu_file + rm -f $newtemplate + unset newtemplate +fi + +# Extract the kernel options to use +kopt=$(GetMenuOpt "kopt" "$kopt") + +# Set the kernel 2.6 option only for fresh install +test -z "$(GetMenuOpt "kopt" "")" && kopt_2_6="root=$linux_root_device ro" + +# Extract options for specific kernels +opts="$(ExtractMenuOpts "\(kopt_[[:alnum:]_]\+\)")" +test -z "$opts" || eval "$opts" +CustomKopts=$(GetMenuOpts "\(kopt_[[:alnum:]_]\+\)") + +# Extract the grub root +grub_root_device=$(GetMenuOpt "groot" "$grub_root_device") + +# 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 +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 updatedefaultentry option +updatedefaultentry=$(GetMenuOpt "updatedefaultentry" "$updatedefaultentry") + +# 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" >> $buffer +if [ -n "$CustomKopts" ] ; then + echo "$CustomKopts" >> $buffer +elif [ -n "$kopt_2_6" ] && [ "$kopt" != "$kopt_2_6" ]; then + echo "# kopt_2_6=$kopt_2_6" >> $buffer +fi +echo >> $buffer + +echo "## default grub root device" >> $buffer +echo "## e.g. groot=(hd0,0)" >> $buffer +echo "# groot=$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=(single-user) 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 "## 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` +grub_dir_rel=`make_system_path_relative_to_its_root $grub_dir` +splashimage_path="splashimage=${grub_root_device}/${grub_dir_rel##${kernel_dir}}/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" ] && [ "$current_splash" = "" ]; then + echo "found: /boot/grub/splash.xpm.gz" >&2 + echo "$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 "$splashimage_path" >> $buffer + echo >> $buffer +elif [ "$current_splash" != "" ] && [ "$current_splash" != "$splashimage_path" ]; then + echo "found but preserving previous setting: $(grep '^splashimage=' ${menu_file})" >&2 + echo "$current_splash" >> $buffer + echo >> $buffer +else + echo "none found, skipping ..." >&2 +fi + +xen0Kernels="" +# First kernels with xen0 support. +for ver in `grep -l CONFIG_XEN=y /boot/config* | sed -e s%/boot/config-%%`; do + if ! grep -q CONFIG_XEN_PRIVILEGED_GUEST=y /boot/config-$ver ; then + continue + fi + # ver is a kernel version + kern="/boot/vmlinuz-$ver" + if [ -r $kern ] ; then + newerKernels="" + for i in $xen0Kernels ; do + res=$(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 $kern" + fi + xen0Kernels="$newerKernels" + fi +done + +sortedKernels="" +for kern in $(/bin/ls -1vr /boot | grep -v "dpkg-*" | grep "^vmlinuz-") ; do + kern="/boot/$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 $sortedKernels" +fi + +hypervisors="" +for hyp in /boot/xen-*.gz; do + if [ ! -h "$hyp" ] && [ -f "$hyp" ]; then + hypervisors="$hypervisors `basename "$hyp"`" + fi +done + +#Finding the value the default line +use_grub_set_default="false" +if test "$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 + +## heres where we start writing out the kernel entries +counter=0 + +grub2name="${kernel_dir}/grub/core.img" +if [ "$LET_US_TRY_GRUB_2" = "true" ] \ + && test -f /boot/grub/core.img ; then + echo "Found GRUB 2: $grub2name" >&2 + cat >> $buffer << EOF +title Chainload into GRUB 2 +root $grub_root_device +kernel $grub2name + +title `echo ───────────────────────────────────────────────────────────────────── | iconv -f utf-8 -t cp437` +root + +title When you have verified GRUB 2 works, you can use this command to +root + +title complete the upgrade: upgrade-from-grub-legacy +root + +title `echo ───────────────────────────────────────────────────────────────────── | iconv -f utf-8 -t cp437` +root + +EOF +fi + + +# Xen entries first. +for kern in $xen0Kernels ; do + if test ! x"$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" "$savedefault" '' \ + Xen "$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" "$savedefault" '' \ + Xen "$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 $kern) + kernelVersion=$(echo $kernelName | sed -e 's/vmlinuz//') + initrdName=$(FindInitrdName "/boot" "$kernelVersion") + initrd="" + + kernel=$kernel_dir/$kernelName + if [ -n "$initrdName" ] ; then + initrd=$kernel_dir/$initrdName + fi + + 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 + [ $counter -eq 1 ] && do_lockold=false + + write_kernel_entry "$kernelVersion" "" "" "$grub_root_device" "$kernel" \ + "$currentOpt $defoptions" "" "$initrd" "$savedefault" "$do_lockold" + + # insert the alternative boot options + if test ! x"$alternative" = x"false" ; 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" "$currentOpt" "$suffix" "$initrd" \ + "$savedefault" "$do_lockold" + + done + fi +done + +memtest86names="memtest86 memtest86+" + +if test ! x"$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" "" + fi + done +fi + +echo $end >> $buffer + +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 + if [ -f /usr/lib/grub-legacy/grub-set-default ] ; then + /usr/lib/grub-legacy/grub-set-default $1 + else + grub-set-default $1 + fi + else + value="$1" + newmenu=$(tempfile) + sed -e "s/^[[:blank:]]*default[[:blank:]]*[[:digit:]]*\(.*\)/default ${value}\1/;b" $menu > $newmenu + cat $newmenu > $menu + rm -f $newmenu + unset newmenu + fi +} + +#Updating the default number +if [ "$LET_US_TRY_GRUB_2" = "true" ] && test -f /boot/grub/core.img ; then + set_default_value "0" +elif 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 |