memtest86plus/new-memtest-pkg
2013-01-08 12:11:32 +01:00

337 lines
8.2 KiB
Bash
Executable File

#!/bin/bash
#
# Invoked upon installation or removal of a kernel package, the following
# tasks are/can be done here:
# creation/removal of initrd
# run of depmod/removal of depmod generated files
# addition/removal of kernel images from grub/lilo configuration (via grubby)
#
# Copyright (C) 2002, 2003 Red Hat, Inc.
#
PATH=/sbin:/bin:$PATH
lilo=/usr/sbin/lilo
# some defaults that are sane for most arches
kernelName=elf-memtest86+
if [ -x ./grubby ]; then
grubby=./grubby
else
grubby=/usr/sbin/grubby
fi
cfgGrub=""
cfgLilo=""
runLilo=""
grubConfig=""
ARCH=$(uname -m)
if [ $ARCH = 'ia64' ]; then
liloConfig=/boot/efi/EFI/redhat/elilo.conf
bootPrefix=/boot/efi/EFI/redhat
liloFlag=elilo
isx86=""
elif [ $ARCH = 'ppc64' -o $ARCH = 'ppc' ]; then
liloConfig=/etc/yaboot.conf
bootPrefix=/boot
lilo=/usr/sbin/ybin
kernelName=vmlinux
liloFlag=yaboot
runLilo="yes"
isx86=""
elif [ $ARCH = 'sparc' -o $ARCH = 'sparc64' ]; then
liloConfig=/etc/silo.conf
bootPrefix=/boot
liloFlag=silo
lilo=/usr/sbin/silo
isx86=""
elif [ $ARCH = 's390' -o $ARCH = 's390x' ]; then
liloConfig=/etc/zipl.conf
bootPrefix=/boot
liloFlag=zipl
lilo=/usr/sbin/zipl
runLilo="yes"
isx86=""
else
# this leaves i?86 and x86_64
liloConfig=/etc/lilo.conf
grubConfig=/boot/grub/grub.conf
bootPrefix=/boot
liloFlag=lilo
isx86="yes"
fi
mode=""
version=""
initrd=""
initrdfile=""
moddep=""
verbose=""
usage() {
echo "Usage: `basename $0` [-v] [--mkinitrd] [--rminitrd]" >&2
echo " [--initrdfile=<initrd-image>] [--depmod] [--rmmoddep]" >&2
echo " [--kernel-args=<args>] [--banner=<banner>]" >&2
echo " <--install | --remove> <kernel-version>" >&2
echo " (ex: `basename $0` --mkinitrd --depmod --install 2.4.7-2)" >&2
exit 1
}
install() {
# XXX kernel should be able to be specified also (or work right on ia64)
if [ ! -f $bootPrefix/$kernelName-$version ] ; then
[ -n "$verbose" ] && echo "kernel for $version does not exist, not running grubby"
return
fi
INITRD=""
if [ -f $initrdfile ]; then
[ -n "$verbose" ] && echo "found $initrdfile and using it with grubby"
INITRD="--initrd $initrdfile"
fi
# FIXME: is this a good heuristic to find out if we're on iSeries?
if [ -d /proc/iSeries ]; then
[ -n "$verbose" ] && echo "On an iSeries, just making img file"
if [ -z $initrdfile ]; then
[ -n "$verbose" ] && echo "No initrd, just adding system map"
/usr/sbin/addSystemMap $bootPrefix/System.map-$version $bootPrefix/$kernelName-$version $bootPrefix/vmlinitrd-$version
else
/usr/sbin/addSystemMap $bootPrefix/System.map-$version $bootPrefix/$kernelName-$version $bootPrefix/vmlinux.sm-$version
/usr/sbin/addRamDisk $initrdfile $bootPrefix/System.map-$version $bootPrefix/vmlinux.sm-$version $bootPrefix/vmlinitrd-$version 2>/dev/null
rm $bootPrefix/vmlinux.sm-$version
fi
return
fi
# get the root filesystem to use; if it's on a label/uuid make sure it's
# been configured. if not, get the root device from mount
rootdevice=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $1; }}' /etc/fstab)
short=$(echo $rootdevice | cut -d= -f1)
if [ "$short" == "LABEL" -o "$short" == "UUID" ]; then
if ! /usr/sbin/findfs "$rootdevice" &> /dev/null; then
rootdevice=$(mount | awk '$3 == "/" { print $1 }')
fi
fi
if [ -n "$cfgGrub" ]; then
[ -n "$verbose" ] && echo "adding $version to $grubConfig"
if [ -n "$banner" ]; then
title="$banner ($version)"
elif [ -f /etc/redhat-release ]; then
title="$(sed 's/ release.*$//' < /etc/redhat-release) ($version)"
else
title="Red Hat Linux ($version)"
fi
/usr/sbin/grubby --add-kernel=$bootPrefix/$kernelName-$version $INITRD \
--copy-default --title "$title" \
--args="root=$rootdevice $kernargs" \
--remove-kernel="TITLE=$title"
else
[ -n "$verbose" ] && echo "$grubConfig does not exist, not running grubby"
fi
if [ -n "$cfgLilo" ]; then
[ -n "$verbose" ] && echo "adding $version to $liloConfig"
/usr/sbin/grubby --add-kernel=$bootPrefix/$kernelName-$version $INITRD \
--copy-default --title $version \
--args="root=$rootdevice $kernargs" \
--remove-kernel="TITLE=$version" \
--$liloFlag
if [ -n "$runLilo" ]; then
[ -n "$verbose" ] && echo "running $lilo"
if [ ! -x $lilo ] ; then
[ -n "$verbose" ] && echo "$lilo does not exist"
else
$lilo > /dev/null
fi
fi
else
[ -n "$verbose" ] && echo "$liloConfig does not exist, not running grubby"
fi
}
remove() {
# FIXME: is this a good heuristic to find out if we're on iSeries?
if [ -d /proc/iSeries ]; then
[ -n "$verbose" ] && echo "On an iSeries, remove img file"
rm -f $bootPrefix/$kernelName-$version.img 2>/dev/null
return
fi
if [ -n "$cfgGrub" ]; then
[ -n "$verbose" ] && echo "removing $version from $grubConfig"
/usr/sbin/grubby --remove-kernel=$bootPrefix/$kernelName-$version
else
[ -n "$verbose" ] && echo "$grubConfig does not exist, not running grubby"
fi
if [ -n "$cfgLilo" ]; then
[ -n "$verbose" ] && echo "removing $version from $liloConfig"
/usr/sbin/grubby --remove-kernel=$bootPrefix/$kernelName-$version \
--$liloFlag
if [ -n "$runLilo" ]; then
[ -n "$verbose" ] && echo "running $lilo"
if [ ! -x $lilo ] ; then
[ -n "$verbose" ] && echo "$lilo does not exist"
else
$lilo > /dev/null
fi
fi
else
[ -n "$verbose" ] && echo "$liloConfig does not exist, not running grubby"
fi
}
mkinitrd() {
[ -n "$verbose" ] && echo "creating initrd $initrdfile using $version"
/usr/sbin/mkinitrd -f $initrdfile $version
rc=$?
if [ $rc != 0 ]; then
echo "mkinitrd failed" >&2
exit 1
fi
}
rminitrd() {
[ -n "$verbose" ] && echo "removing initrd $initrdfile"
[ -f $initrdfile ] && rm -f $initrdfile
}
doDepmod() {
[ -n "$verbose" ] && echo "running depmod for $version"
depmod -ae -F /boot/System.map-$version $version
}
doRmmoddep() {
[ -n "$verbose" ] && echo "removing modules.dep info for $version"
[ -d /lib/modules/$version ] && rm -f /lib/modules/$version/modules.*
}
while [ $# -gt 0 ]; do
case $1 in
--mkinitrd)
initrd="make"
;;
--rminitrd)
initrd="remove"
;;
--initrdfile*)
if echo $1 | grep '=' >/dev/null ; then
initrdfile=`echo $1 | sed 's/^--initrdfile=//'`
else
initrdfile=$2
shift
fi
;;
--kernel-args*)
if echo $1 | grep '=' >/dev/null ; then
kernargs=`echo $1 | sed 's/^--kernel-args=//'`
else
kernargs=$2
shift
fi
;;
--banner*)
if echo $1 | grep '=' >/dev/null ; then
banner=`echo $1 | sed 's/^--banner=//'`
else
banner=$2
shift
fi
;;
--depmod)
moddep="make"
;;
--rmmoddep)
moddep="remove"
;;
-v)
verbose=-v
;;
*)
if [ -z "$mode" ]; then
mode=$1
elif [ -z "$version" ]; then
version=$1
else
usage
fi
;;
esac
shift
done
# make sure the mode is valid
if [ "$mode" != "--install" -a "$mode" != "--remove" ] ; then
usage
fi
if [ -z "$version" ]; then
usage
fi
# set the initrd file based on arch; ia64 is the only currently known oddball
if [ -z "$initrdfile" ]; then
if [ `uname -m` = "ia64" ]; then
initrdfile="/boot/efi/EFI/redhat/initrd-$version.img"
else
initrdfile="/boot/initrd-$version.img"
fi
fi
[ -n "$verbose" ] && echo "initrdfile is $initrdfile"
if [ "$moddep" == "make" ]; then
doDepmod
elif [ "$moddep" == "remove" ]; then
doRmmoddep
fi
if [ "$initrd" == "make" ]; then
mkinitrd
elif [ "$initrd" == "remove" ]; then
rminitrd
fi
if [ ! -x $grubby ] ; then
[ -n "$verbose" ] && echo "$grubby does not exist"
exit 0
fi
[ -n "$grubConfig" ] && [ -f "$grubConfig" ] && cfgGrub=1;
[ -n "$liloConfig" ] && [ -f "$liloConfig" ] && cfgLilo=1;
# if we have a lilo config on an x86 box, see if the default boot loader
# is lilo to determine if it should be run
if [ -n "$cfgLilo" -a -n "$isx86" ]; then
runLilo=$($grubby --bootloader-probe | grep lilo)
fi
if [ "$mode" == "--install" ]; then
install
elif [ "$mode" == "--remove" ]; then
remove
fi
exit 0