ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / sbin

#!/bin/bash
#
# new-kernel-pkg
# 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 2002-2008 Red Hat, Inc.  All rights reserved.
#
# This program 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, see <http://www.gnu.org/licenses/>.
#

PATH=/sbin:/bin:$PATH

lilo=/sbin/lilo

# some defaults that are sane for most arches
kernelName=vmlinuz

if [ -x ./grubby ]; then
    grubby=./grubby
else
    grubby=/sbin/grubby
fi

[ -f /etc/sysconfig/kernel ] && . /etc/sysconfig/kernel
[ -f /etc/sysconfig/uboot ] && . /etc/sysconfig/uboot

cfgGrub2=""
cfgGrub2Efi=""
cfgGrub=""
cfgLilo=""
cfgExtlinux=""
cfguBoot=""
runLilo=""
grubConfig=""
grub2Config=""
grub2EfiConfig=""
extlinuxConfig=""
ubootScript="/boot/boot.scr"

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 $ARCH = 'ppc' ]; then
    liloConfig=/etc/yaboot.conf
    grub2Config=$(readlink -f /etc/grub2.cfg 2>/dev/null)
    bootPrefix=/boot
    lilo=/sbin/ybin
    liloFlag=yaboot
    runLilo="yes"
    isx86=""
elif [ $ARCH = 'sparc' -o $ARCH = 'sparc64' ]; then
    liloConfig=/etc/silo.conf
    bootPrefix=/boot
    liloFlag=silo
    lilo=/sbin/silo
    isx86=""
elif [ $ARCH = 's390' -o $ARCH = 's390x' ]; then
    liloConfig=/etc/zipl.conf
    bootPrefix=/boot
    liloFlag=zipl
    lilo=/sbin/zipl
    runLilo="yes"
    isx86=""
elif [[ ${ARCH} =~ armv[5|7].*l ]] ; then
    liloConfig=""
    bootPrefix=/boot
    extlinuxConfig=$(readlink -f /etc/extlinux.conf 2>/dev/null)
    ubootDir=${UBOOT_DIR:-"/boot"}
    ubootScript=$ubootDir/${UBOOT_SCR:-"boot.scr"}
    ubootKList=${UBOOT_KLIST:-"klist.txt"}
    ubootDevice=/dev/${UBOOT_DEVICE:-"mmcblk0p1"}
    ubootDefaultImage=${UBOOT_UIMAGE:-"uImage"}
    ubootDefaultInitrd=${UBOOT_UINITRD:-"uInitrd"}
    ubootAddress=${UBOOT_IMGADDR:-"0x00008000"}
    mounted=""
    liloFlag=""
    isx86=""
else
    # this leaves i?86 and x86_64
    liloConfig=/etc/lilo.conf
    grubConfig=$(readlink -f /etc/grub.conf 2>/dev/null)
    grub2Config=$(readlink -f /etc/grub2.cfg 2>/dev/null)
    grub2EfiConfig=$(readlink -f /etc/grub2-efi.cfg 2>/dev/null)
    extlinuxConfig=$(readlink -f /etc/extlinux.conf 2>/dev/null)
    bootPrefix=/boot
    liloFlag=lilo
    isx86="yes"
fi

mode=""
version=""
initrd=""
dracut=""
dracuthostonly=""
initrdfile=""
devtreefile=""
moddep=""
verbose=""
makedefault=""
package=""
mbkernel="$HYPERVISOR"
mbargs="$HYPERVISOR_ARGS"
adddracutargs=""
addplymouthinitrd=""
DEBUGARG="systemd.log_level=debug systemd.log_target=kmsg"

usage() {
    echo "Usage: `basename $0` [-v] [--mkinitrd] [--rminitrd] [--dracut]" >&2
    echo "       [--initrdfile=<initrd-image>] [--depmod] [--rmmoddep]" >&2
    echo "       [--kernel-args=<args>] [--remove-args=<args>]" >&2
    echo "       [--banner=<banner>] [--multiboot=multiboot]" >&2
    echo "       [--mbargs=mbargs] [--make-default] [--add-dracut-args]" >&2
    echo "       [--add-plymouth-initrd]" >&2
    echo "       [--host-only] [--devtree=<devicetree.dtb>]" >&2
    echo "       <--install | --remove | --update | --rpmposttrans> <kernel-version>" >&2
    echo "       (ex: `basename $0` --mkinitrd --depmod --install 2.4.7-2)" >&2
    exit 1
}

rungrubby() {
	if [ "$1" == "--debug" ]; then
		[ "$MAKEDEBUG" != "yes" ] && return 0
		[ -n "$verbose" ] && echo "- First, making a debug entry."
		if [ $ARCH = 's390' -o $ARCH = 's390x' ]; then
			declare -x debugtitle="_with_debugging"
		else
			declare -x debugtitle=" with debugging"
		fi
		declare -x debugargs="$DEBUGARG"
		shift
	else
		[ -n "$verbose" ] && echo "- Making a normal entry."
	fi
	$(eval $grubby $@)
	export -n debugargs
	export -n debugtitle
	unset debugargs
	unset debugtitle
}

set_title() {
    if [ -n "$banner" ]; then
	if [ $ARCH = 's390' -o $ARCH = 's390x' ]; then
	    title=$(echo $banner | sed 's/ /_/g')
	else
	    title="$banner ($version)"
	fi
    elif [ $ARCH = 's390' -o $ARCH = 's390x' ]; then
	title=$(echo $version | sed 's/ /_/g')
    elif [ -f /etc/os-release ]; then
	. /etc/os-release
	title="$NAME ($version) $VERSION"
    elif [ -f /etc/redhat-release ]; then
	title="$(sed 's/ release.*$//' < /etc/redhat-release) ($version)"
    else
	title="Red Hat Linux ($version)"
    fi
}

install() {
    # XXX kernel should be able to be specified also (or work right on ia64)
    if [ ! -f $kernelImage ] ; then
	[ -n "$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"

if [ -n "$addplymouthinitrd" ]; then
	    INITRD="$INITRD --extra-initrd $bootPrefix/initrd-plymouth.img"
	fi
    fi

DEVTREE=""
    if [ "x$devtreefile" != "x" -a -f "$devtreefile" ]; then
	[ -n "$verbose" ] && echo "found $devtreefile and using it with grubby"
	DEVTREE="--devtree $devtreefile"
    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"
	    /sbin/addSystemMap $bootPrefix/System.map-$version $kernelImage $bootPrefix/vmlinitrd-$version
	else
	    /sbin/addSystemMap $bootPrefix/System.map-$version $kernelImage $bootPrefix/vmlinux.sm-$version
	    /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
    rootdevice=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $1; }}' /etc/fstab 2>/dev/null)
    if [ "$rootdevice" = "" ];
    then
	    rootdevice=`grep -o -P "(?<=root=)\S+" /proc/cmdline`
    fi

if [ -n "$mbkernel" -a -n "$cfgLilo" -a "$liloFlag" != "elilo" ]; then
	[ -n "$verbose" ] && echo "multiboot specified, not updating lilo.conf"
	cfgLilo=""
    fi

set_title

if [ -n "$cfgGrub" ]; then
	[ -n "$verbose" ] && echo "adding $version to $grubConfig"

ARGS="--grub -c $grubConfig --add-kernel=$kernelImage $INITRD \
		${mbkernel:+--add-multiboot=\"$mbkernel\"} \
		${mbargs:+--mbargs=\"$mbargs\"} \
		--title=\"$title\$debugtitle\" --copy-default \
		--args=\"root=$rootdevice $kernargs \$debugargs\" \
		--remove-kernel=\"TITLE=$title\$debugtitle\""

rungrubby ${ARGS} $makedefault
	rungrubby --debug ${ARGS} --set-index=1
    else
	[ -n "$verbose" ] && echo "$grubConfig does not exist, not running grubby for grub 0.97"
    fi
    if [ -n "$cfgGrub2" ]; then
	[ -n "$verbose" ] && echo "adding $version to $grub2Config"

ARGS="--grub2 -c $grub2Config --add-kernel=$kernelImage $INITRD \
		--copy-default --title \"$title\$debugtitle\" \
		${mbkernel:+--add-multiboot=\"$mbkernel\"} \
		${mbargs:+--mbargs=\"$mbargs\"} \
		--args=\"root=$rootdevice $kernargs \$debugargs\" \
		--remove-kernel=\"TITLE=$title\$debugtitle\""
	rungrubby ${ARGS} $makedefault
	rungrubby --debug ${ARGS} --set-index=1
    else
	[ -n "$verbose" ] && echo "$grub2Config does not exist, not running grubby for grub 2"
    fi
    if [ -n "$cfgGrub2Efi" ]; then
	[ -n "$verbose" ] && echo "adding $version to $grub2EfiConfig"

ARGS="--grub2 -c $grub2EfiConfig --efi \
		--add-kernel=$kernelImage $DEVTREE $INITRD \
		--copy-default --title \"$title\$debugtitle\" \
		${mbkernel:+--add-multiboot=\"$mbkernel\"} \
		${mbargs:+--mbargs=\"$mbargs\"} \
		--args=\"root=$rootdevice $kernargs \$debugargs\" \
		--remove-kernel=\"TITLE=$title\$debugtitle\""
	rungrubby ${ARGS} $makedefault
	rungrubby --debug ${ARGS} --set-index=1
    else
	[ -n "$verbose" ] && echo "$grub2EfiConfig does not exist, not running grubby for grub 2 with UEFI"
    fi

if [ -n "$cfgLilo" ]; then
	[ -n "$verbose" ] && echo "adding $version to $liloConfig"

ARGS="--$liloFlag --add-kernel=$kernelImage $INITRD \
		--copy-default --title \"$title\$debugtitle\" \
		${mbkernel:+--add-multiboot=\"$mbkernel\"} \
		${mbargs:+--mbargs=\"$mbargs\"} \
		--args=\"root=$rootdevice $kernargs \$debugargs\" \
		--remove-kernel=\"TITLE=$version\""

rungrubby ${ARGS} $makedefault
	rungrubby --debug ${ARGS} --set-index=1
	if [ -n "$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

if [ -n "$cfgExtlinux" ]; then
	[ -n "$verbose" ] && echo "adding $version to $extlinuxConfig"

ARGS="--extlinux -c $extlinuxConfig --add-kernel=$kernelImage \
	    $INITRD --copy-default --title \"$title\$debugtitle\" \
	    ${mbkernel:+--add-multiboot=\"$mbkernel\"} \
	    ${mbargs:+--mbargs=\"$mbargs\"} \
	    --args=\"root=$rootdevice $kernargs \$debugargs\" \
	    --remove-kernel=\"TITLE=$title\$debugtitle\""

rungrubby ${ARGS} $makedefault
	rungrubby --debug ${ARGS} --set-index=1
    else
	[ -n "$verbose" ] && echo "$extlinuxConfig does not exist, not running grubby for extlinux"
    fi
}

rpmposttrans()
{
    local files
    local f
    files="/etc/kernel/postinst.d/*[^~] /etc/kernel/postinst.d/$version/*[^~]"
    for f in $files ; do
	[ -f $f ] && [ -x $f ] || continue
	$f $version $kernelImage
    done
}

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 $kernelImage.img 2>/dev/null
	return
    fi

local files
    local f
    files="/etc/kernel/prerm.d/*[^~] /etc/kernel/prerm.d/$version/*[^~]"
    for f in $files ; do
	[ -f $f ] && [ -x $f ] || continue
	$f $version $kernelImage
    done

if [ -n "$cfgGrub" ]; then
	[ -n "$verbose" ] && echo "removing $version from $grubConfig"
	$grubby --grub -c $grubConfig \
	    --remove-kernel=$kernelImage
    else
	[ -n "$verbose" ] && echo "$grubConfig does not exist, not running grubby for grub 0.97"
    fi
    if [ -n "$cfgGrub2" ]; then
	[ -n "$verbose" ] && echo "removing $version from $grub2Config"
	$grubby --grub2 -c $grub2Config \
		--remove-kernel=$kernelImage
    else
	[ -n "$verbose" ] && echo "$grub2Config does not exist, not running grubby for grub 2"
    fi
    if [ -n "$cfgGrub2Efi" ]; then
	[ -n "$verbose" ] && echo "removing $version from $grub2EfiConfig"
	$grubby --grub2 -c $grub2EfiConfig --efi \
		--remove-kernel=$kernelImage
    else
	[ -n "$verbose" ] && echo "$grub2EfiConfig does not exist, not running grubby grub 2 with UEFI"
    fi

if [ -n "$cfgLilo" ]; then
	[ -n "$verbose" ] && echo "removing $version from $liloConfig"
	$grubby --remove-kernel=$kernelImage	    \
		     --$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

if [ -n "$cfguBoot" ]; then
	[ -n "$verbose" ] && echo "removing $version from $ubootDir..."

if [ -f $ubootDir/$ubootKList ]; then
	    tmpKList=`mktemp $ubootDir/$ubootKList.XXXX`
	    curversion=`tail -n1 $ubootDir/$ubootKList`
	    sed "/$version$/d" $ubootDir/$ubootKList > $tmpKList
	    newversion=`tail -n1 $tmpKList`
	    if [ -f $ubootDir/uImage-$newversion ] && [ -f $ubootDir/uInitrd-$newversion ]; then
		if [ "$curversion" != "$newversion" ]; then
		    cp -fp $ubootDir/uImage-$newversion $ubootDir/${ubootDefaultImage}
		    if [ $? -ne 0 ]; then
			[ -n "$verbose" ] && echo "copy uImage-$newversion error, default kernel not replaced!" && exit
		    fi
		    cp -fp $ubootDir/uInitrd-$newversion $ubootDir/${ubootDefaultInitrd}
		    if [ $? -ne 0 ]; then
			[ -n "$verbose" ] && echo "copy uInitrd-$newversion error, default Initrd not replaced!" && exit
		    fi
		fi

[ -n "$verbose" ] && echo "removing uImage-$version"
		if [ -f $ubootDir/uImage-$version ]; then
		    rm -f $ubootDir/uImage-$version
		else
		    [ -n "$verbose" ] && echo "uImage-$version did not exist!"
		fi

[ -n "$verbose" ] && echo "removing uInitrd-$version"
		if [ -f $ubootDir/uInitrd-$version ]; then
		    rm -f $ubootDir/uInitrd-$version
		else
		    [ -n "$verbose" ] && echo "uInitrd-$version did not exist!"
		fi

mv $tmpKList $ubootDir/$ubootKList
		[ -x /sbin/a-b-c ] && /sbin/a-b-c
	    else
		[ -n "$verbose" ] && echo "uImage $newversion does not exist!"
		[ -f $tmpKList ] && rm -f $tmpKList
	    fi
        else
            [ -n "$verbose" ] && echo "No previous kernel version.  U-Boot images not removed!"
        fi
    else
	[ -n "$verbose" ] && echo "$ubootScript does not exist, not modifying $ubootDir"
    fi

if [ -n "$cfgExtlinux" ]; then
	[ -n "$verbose" ] && echo "removing $version from $extlinuxConfig"
	$grubby --extlinux -c $extlinuxConfig \
	    --remove-kernel=$kernelImage
    else
	[ -n "$verbose" ] && echo "$extlinuxConfig does not exist, not running grubby for extlinux"
    fi
}

update() {
    if [ ! -f $kernelImage ] ; then
	[ -n "$verbose" ] && echo "kernel for $version does not exist, not running grubby"
	return
    fi

set_title

INITRD=""
    if [ -f $initrdfile ]; then
	[ -n "$verbose" ] && echo "found $initrdfile and using it with grubby"
	INITRD="--initrd $initrdfile"

if [ -n "$addplymouthinitrd" ]; then
	    INITRD="$INITRD --extra-initrd $bootPrefix/initrd-plymouth.img"
	fi
    fi

if [ -n "$cfgGrub" ]; then
	[ -n "$verbose" ] && echo "updating $version from $grubConfig"
	ARGS="--grub -c $grubConfig --update-kernel=$kernelImage $INITRD \
		${kernargs:+--args=\"$kernargs\"} \
		${removeargs:+--remove-args=\"$removeargs\"} \
		${mbkernel:+--add-multiboot=\"$mbkernel\"} \
		--title=\"$title\$debugtitle\""

rungrubby ${ARGS}
	rungrubby --debug ${ARGS}
    else
	[ -n "$verbose" ] && echo "$grubConfig does not exist, not running grubby"
    fi

if [ -n "$cfgGrub2" ]; then
	[ -n "$verbose" ] && echo "updating $version from $grub2Config"
	ARGS="--grub2 -c $grub2Config --update-kernel=$kernelImage $INITRD \
		${kernargs:+--args=\"$kernargs\"} \
		${removeargs:+--remove-args=\"$removeargs\"} \
		--title=\"$title\$debugtitle\""

rungrubby ${ARGS}
	rungrubby --debug ${ARGS}
    else
	[ -n "$verbose" ] && echo "$grub2Config does not exist, not running grubby"
    fi

if [ -n "$cfgGrub2Efi" ]; then
	[ -n "$verbose" ] && echo "updating $version from $grub2EfiConfig"
	ARGS="--grub2 -c $grub2EfiConfig --efi --update-kernel=$kernelImage \
		$INITRD ${kernargs:+--args=\"$kernargs\"} \
		${removeargs:+--remove-args=\"$removeargs\"} \
		--title=\"$title\$debugtitle\""

rungrubby ${ARGS}
	rungrubby --debug ${ARGS}
    else
	[ -n "$verbose" ] && echo "$grub2EfiConfig does not exist, not running grubby"
    fi

if [ -n "$cfgLilo" ]; then
	[ -n "$verbose" ] && echo "updating $version from $liloConfig"
	ARGS="--$liloFlag --update-kernel=$kernelImage $INITRD \
		${kernargs:+--args=\"$kernargs\"} \
		${removeargs:+--remove-args=\"$removeargs\"} \
		--title=\"$title\$debugtitle\""

rungrubby ${ARGS}
	rungrubby --debug ${ARGS}

if [ -n "$cfguBoot" ]; then
	[ -n "$verbose" ] && echo "adding $version to $ubootDir..."

[ -n "$verbose" ] && echo "creating uImage-$version"
	mkimage -A arm -O linux -T kernel -C none -a $ubootAddress \
		-e $ubootAddress -n $version \
		-d $kernelImage $ubootDir/uImage-$version

[ -n "$verbose" ] && echo "creating uInitrd-$version"
	mkimage -A arm -O linux -T ramdisk -C none -a 0 -e 0 \
		-n initramfs -d $initrdfile $ubootDir/uInitrd-$version

if [ -f $ubootDir/uImage-$version ] && [ -f $ubootDir/uInitrd-$version ]; then
	    cp -fp $ubootDir/uImage-$version $ubootDir/${ubootDefaultImage}
	    if [ $? -ne 0 ]; then
		[ -n "$verbose" ] && echo "copy uImage-$version error, kernel not installed!" && exit
	    fi
	    cp -fp $ubootDir/uInitrd-$version $ubootDir/${ubootDefaultInitrd}
	    if [ $? -ne 0 ]; then
		[ -n "$verbose" ] && echo "copy uInitrd-$version error, kernel not installed!" && exit
	    fi
	    echo $version >> $ubootDir/$ubootKList
	    [ -x /sbin/a-b-c ] && /sbin/a-b-c
	else
	    [ -n "$verbose" ] && echo "cannot make $version the default"
	fi
    else
	[ -n "$verbose" ] && echo "$ubootScript does not exist, not setting up $ubootDir"
    fi

if [ -n "$cfgExtlinux" ]; then
	[ -n "$verbose" ] && echo "updating $version from $extlinuxConfig"
	ARGS="--extlinux -c $extlinuxConfig --update-kernel=$kernelImage \
		$INITRD ${kernargs:+--args=\"$kernargs\"} \
		${removeargs:+--remove-args=\"$removeargs\"} \
		--title=\"$title\$debugtitle\""

rungrubby ${ARGS}
	rungrubby --debug ${ARGS}
    else
	[ -n "$verbose" ] && echo "$extlinuxConfig does not exist, not running grubby"
    fi
}

doMkinitrd() {
    if [ -n "$dracut" ]; then
        tool="dracut $dracuthostonly -f $initrdfile $version"
    else
	tool="mkinitrd --allow-missing -f $initrdfile $version"
    fi
    [ -n "$verbose" ] && echo "creating initrd: $tool"
    $tool
    rc=$?
    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 $version"
    if [ -d /lib/modules/$version ]; then
        rm -f /lib/modules/$version/modules.*.bin \
            /lib/modules/$version/modules.{alias,dep,devname,symbols,softdep}
    fi
}

# kernel image for 2.4 is vmlinux
if [ $ARCH = 'ppc64' -o $ARCH = 'ppc' ]; then
  if [ "$kernelmajor" == "2.4" ]; then
      kernelName=vmlinux
  fi
fi

while [ $# -gt 0 ]; do
    case $1 in
	--mkinitrd)
	    initrd="make"
	    ;;

--rminitrd)
	    initrd="remove"
	    ;;

--devtree*)
	    if [[ $1 == --devtree\=* ]]; then
		devtreefile=${1#--devtreefile=}
	    else
		devtreefile=$2
		shift
	    fi
	    ;;

--dracut)
	    dracut=--dracut
	    ;;

--host-only)
	    dracuthostonly=-H
	    ;;

--initrdfile*)
	    if [[ $1 == --initrdfile\=* ]]; then
		initrdfile=${1#--initrdfile=}
	    else
		initrdfile=$2
		shift
	    fi
	    ;;

--kernel-args*)
	    if [[ $1 == --kernel-args\=* ]]; then
		kernargs=${1#--kernel-args=}
	    else
		kernargs=$2
		shift
	    fi
	    ;;

--remove-args*)
	    if [[ $1 == --remove-args\=* ]]; then
		removeargs=${1#--remove-args=}
	    else
		removeargs=$2
		shift
	    fi
	    ;;

--banner*)
	    if [[ $1 == --banner\=* ]]; then
		banner=${1#--banner=}
	    else
		banner=$2
		shift
	    fi
	    ;;

--multiboot*)
	    if [[ $1 == --multiboot\=* ]]; then
		mbkernel=${1#--multiboot=}
	    else
		# can't really support having an optional second arg here
		# sorry!
		mbkernel="/boot/xen.gz"
	    fi
	    ;;

--mbargs*)
            if [[ $1 == --mbargs\=* ]]; then
                mbargs=${1#--mbargs=}
            else
                mbargs="$2"
                shift
            fi
            ;;

--depmod)
	    moddep="make"
	    ;;

--rmmoddep)
	    moddep="remove"
	    ;;

--make-default)
	    makedefault="--make-default"
	    ;;

--package*)
            if [[ $1 == --package\=* ]]; then
                package=${1#--package=}
            else
                package=$2
                shift
            fi
            ;;

--add-dracut-args)
	    adddracutargs=--add-dracut-args
	    ;;

--add-plymouth-initrd)
	    addplymouthinitrd=--add-plymouth-initrd
	    ;;

--kernel-image*)
            if [[ $1 == --kernel-image\=* ]]; then
                kernelImage=${1#--kernel-image=}
            else
                kernelImage="$2"
                shift
            fi
            if ! [[ -f $kernelImage ]]; then
                echo "Can't find kernel image '$kernelImage'" >&2
                usage
                exit 1
            fi
            ;;

--kernel-name*)
            if [[ $1 == --kernel-name\=* ]]; then
                kernelName=${1#--kernel-name=}
            else
                kernelName="$2"
                shift
            fi
            ;;

-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"  -a "$mode" != "--update" -a "$mode" != "--rpmposttrans" ] ; then
    usage
fi

if [ -z "$version" ]; then
    usage
fi

if [ "$mode" != "--install" -a "$makedefault" ]; then
    usage
fi

kernelmajor=`echo $kernel | cut -d . -f 1,2`

[[ $kernelImage ]] || kernelImage="$bootPrefix/$kernelName-$version"

# set the initrd file based on arch; ia64 is the only currently known oddball
if [ -z "$initrdfile" ]; then
    INITRD_NAME_PREFIX="initrd"
    if [ -n "$dracut" ]; then
	INITRD_NAME_PREFIX="initramfs"
    fi

if [ `uname -m` = "ia64" ]; then
	initrdfile="/boot/efi/EFI/redhat/$INITRD_NAME_PREFIX-$version.img"
    else
	initrdfile="/boot/$INITRD_NAME_PREFIX-$version.img"
    fi

fi
[ -n "$verbose" ] && echo "initrdfile is $initrdfile"

# add dracut i18n, keyboard and plymouth kernel args if requested
if [ -n "$dracut" -o -n "$adddracutargs" ]; then
    if [ -r /etc/vconsole.conf ]; then
	. /etc/vconsole.conf
    elif  [ -r /etc/sysconfig/keyboard ]; then
	. /etc/sysconfig/keyboard
    fi

if [ -r /etc/locale.conf ]; then
	. /etc/locale.conf
    elif [ -r /etc/sysconfig/i18n ]; then
	. /etc/sysconfig/i18n
    fi

for i in SYSFONT SYSFONTACM UNIMAP LANG KEYTABLE; do
        val=$(eval echo \$$i)
        [ -n "$val" ] && kernargs="$kernargs $i=$val"
    done

if [ -n "$KEYBOARDTYPE" -a "$KEYBOARDTYPE" != "pc" ]; then
         kernargs="$kernargs KEYBOARDTYPE=$KEYBOARDTYPE"
    fi
fi

# set this as the default if we have the package and it matches
if [ "$mode" == "--install" -a "$UPDATEDEFAULT" == "yes" -a -n "$package" -a -n "$DEFAULTKERNEL" -a "$package" == "$DEFAULTKERNEL" ]; then
    makedefault="--make-default"
    [ -n "$verbose" ] && echo "making it the default based on config"
fi

if [ "$moddep" == "make" ]; then
    doDepmod
elif [ "$moddep" == "remove" ]; then
    doRmmoddep
fi

if [ "$initrd" == "make" ]; then
    doMkinitrd
elif [ "$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 "$grub2Config" ] && [ -f "$grub2Config" ] && cfgGrub2=1;
[ -n "$grub2EfiConfig" ] && [ -f "$grub2EfiConfig" ] && cfgGrub2Efi=1;
[ -n "$liloConfig" ] && [ -f "$liloConfig" ] && cfgLilo=1;
[ -n "$extlinuxConfig" ] && [ -f "$extlinuxConfig" ] && cfgExtlinux=1;

# if we have a U-Boot directory, but no boot script, check if the directory
# is mounted.  If not, mount it, and then check if a boot script exists.
if [ -n "$ubootDir" ]; then
    if [ -f "$ubootScript" ]; then
        cfguBoot=1
    else
	mountEntry=`mount | grep $ubootDir`
	if [ -z "$mountEntry" ]; then
	    mount $ubootDevice $ubootDir
	    mounted=1
	fi
	[ -f "$ubootScript" ] && cfguBoot=1;
    fi
fi

# if we're using U-Boot, check if the default load address should change
if [ -n "$cfguBoot" -a -z "$UBOOT_IMGADDR" ]; then
    [[ $version  =~ .([^.]*)$ ]]
    platform=${BASH_REMATCH[1]}
    # A few platforms use an alternate kernel load address
    if [ "$platform" = "omap" ]; then
        ubootAddress=0x80008000
    elif [ "$platform" = "imx" ]; then
        ubootAddress=0x90008000
    fi
fi

# 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
elif [ "$mode" == "--update" ]; then
    update
elif [ "$mode" == "--rpmposttrans" ]; then
    rpmposttrans
fi

# if we mounted the U-Boot directory, unmount it.
[ -n "$mounted" ] && umount $ubootDir

# make sure changes make it to the disk.
# if /boot is a mountpoint, force the meta data on disk
# to by-pass writeback delay.
# PPC64LE-only to deal with Petitboot issues
if [ "$ARCH" = "ppc64le" ]; then
    sync && mountpoint -q /boot &&fsfreeze -f /boot && fsfreeze -u /boot
fi

exit 0

[+] ..
[-] poweroff [edit]
[-] sulogin [edit]
[-] ppp-watch [edit]
[-] addpart [edit]
[-] kpartx [edit]
[-] tcsd [edit]
[-] rsyslogd [edit]
[-] xfs_freeze [edit]
[-] selinuxconlist [edit]
[-] sendmail_bitninja [edit]
[-] nl-qdisc-add [edit]
[-] dnssec-coverage [edit]
[-] btrfs [edit]
[-] genrandom [edit]
[-] lsmod [edit]
[-] readprofile [edit]
[-] suexec [edit]
[-] blkdeactivate [edit]
[-] usermod [edit]
[-] nl-link-list [edit]
[-] mkdict [edit]
[-] xtables-multi [edit]
[-] rndc [edit]
[-] fsck.btrfs [edit]
[-] init [edit]
[-] service [edit]
[-] saslauthd [edit]
[-] tcpdump [edit]
[-] dovecot [edit]
[-] rndc-confgen [edit]
[-] fsck.ext2 [edit]
[-] nfsstat [edit]
[-] routef [edit]
[-] xfs_rtcp [edit]
[-] rtmon [edit]
[-] ddns-confgen [edit]
[-] dovecot_cpshutdown [edit]
[-] vigr [edit]
[-] e4defrag [edit]
[-] pure-authd [edit]
[-] showmount [edit]
[-] eapol_test [edit]
[-] biosdecode [edit]
[-] yumdb [edit]
[-] depmod [edit]
[-] ctstat [edit]
[-] dracut [edit]
[-] xfs_copy [edit]
[-] genl-ctrl-list [edit]
[-] pwconv [edit]
[-] selabel_partial_match [edit]
[-] iotop [edit]
[-] arp-scan [edit]
[-] iptables [edit]
[-] gssproxy [edit]
[-] exim_lock [edit]
[-] tsig-keygen [edit]
[-] pure-config.pl [edit]
[-] firewalld [edit]
[-] debugfs [edit]
[-] ifenslave [edit]
[-] e2freefrag [edit]
[-] auditd [edit]
[-] mkfs.ext3 [edit]
[-] tracepath [edit]
[-] findfs [edit]
[-] quotaon [edit]
[-] rpc.mountd [edit]
[-] fcgistarter [edit]
[-] capsh [edit]
[-] atopacctd [edit]
[-] update-smart-drivedb [edit]
[-] selabel_digest [edit]
[-] lusermod [edit]
[-] bitninjacli-interactive [edit]
[-] setquota [edit]
[-] nl-cls-list [edit]
[-] tune2fs [edit]
[-] edquota [edit]
[-] pure-certd [edit]
[-] dnssec-revoke [edit]
[-] xfs_fsr [edit]
[-] exigrep [edit]
[-] mke2fs [edit]
[-] new-kernel-pkg [edit]
[-] rpc.statd [edit]
[-] ebtables-restore [edit]
[-] nsec3hash [edit]
[-] shutdown [edit]
[-] mii-tool [edit]
[-] audispd-zos-remote [edit]
[-] atrun [edit]
[-] sestatus [edit]
[-] sushell [edit]
[-] btrfs-zero-log [edit]
[-] nstat [edit]
[-] grub2-setpassword [edit]
[-] newusers [edit]
[-] setsebool [edit]
[-] grub2-rpm-sort [edit]
[-] dnssec-settime [edit]
[-] iptunnel [edit]
[-] luseradd [edit]
[-] rtcwake [edit]
[-] btrfs-map-logical [edit]
[-] rdma [edit]
[-] mkfs.ext2 [edit]
[-] webmitm [edit]
[-] iptables-restore [edit]
[-] ldattach [edit]
[-] route [edit]
[-] rpc.nfsd [edit]
[-] iprinit [edit]
[-] quotaoff [edit]
[-] ctrlaltdel [edit]
[-] create-cracklib-dict [edit]
[-] hwclock [edit]
[-] augenrules [edit]
[-] named-checkconf [edit]
[-] smartctl [edit]
[-] iprupdate [edit]
[-] installkernel [edit]
[-] fsck.ext4 [edit]
[-] load_policy [edit]
[-] convertquota [edit]
[-] auditctl [edit]
[-] luserdel [edit]
[-] plipconfig [edit]
[-] agetty [edit]
[-] sshd [edit]
[-] unix_update [edit]
[-] sys-unconfig [edit]
[-] bitninja-config [edit]
[-] ping6 [edit]
[-] ifup [edit]
[-] virt-what [edit]
[-] dmstats [edit]
[-] quotastats [edit]
[-] pluginviewer [edit]
[-] modsec-sdbm-util [edit]
[-] cracklib-unpacker [edit]
[-] kexec [edit]
[-] crond [edit]
[-] dnssec-keymgr [edit]
[-] pure-ftpwho [edit]
[-] selinux_restorecon [edit]
[-] grpck [edit]
[-] partx [edit]
[-] fdformat [edit]
[-] eximstats [edit]
[-] plymouthd [edit]
[-] slattach [edit]
[-] genl [edit]
[-] tcpslice [edit]
[-] arpspoof [edit]
[-] glibc_post_upgrade.x86_64 [edit]
[-] lgroupdel [edit]
[-] iconvconfig.x86_64 [edit]
[-] sm-notify [edit]
[-] dmsetup [edit]
[-] msgsnarf [edit]
[-] blkmapd [edit]
[-] ip [edit]
[-] getenforce [edit]
[-] nologin [edit]
[-] hardlink [edit]
[-] pwck [edit]
[-] authconfig-tui [edit]
[-] btrfsck [edit]
[-] safe_finger [edit]
[-] grpconv [edit]
[-] sln [edit]
[-] wipefs [edit]
[-] blockdev [edit]
[-] testsaslauthd [edit]
[-] sasldblistusers2 [edit]
[-] dsniff [edit]
[-] dnssec-checkds [edit]
[-] key.dns_resolver [edit]
[-] htcacheclean [edit]
[-] osd_login [edit]
[-] lid [edit]
[-] nl-class-delete [edit]
[-] mkfs.ext4 [edit]
[-] alternatives [edit]
[-] tcpd [edit]
[-] httpd [edit]
[-] tcpnice [edit]
[-] mount.nfs4 [edit]
[-] mkfs.xfs [edit]
[-] e2undo [edit]
[-] sshow [edit]
[-] selabel_lookup [edit]
[-] chkconfig [edit]
[-] selinuxenabled [edit]
[-] xfs_repair [edit]
[-] chcpu [edit]
[-] grub2-reboot [edit]
[-] nl-class-add [edit]
[-] mailsnarf [edit]
[-] ebtables [edit]
[-] tuned-adm [edit]
[-] runq [edit]
[-] autrace [edit]
[-] getsebool [edit]
[-] cfdisk [edit]
[-] rtacct [edit]
[-] dhclient [edit]
[-] sim_server [edit]
[-] wpa_passphrase [edit]
[-] rpcdebug [edit]
[-] exim [edit]
[-] cracklib-check [edit]
[-] lshw [edit]
[-] sshd-keygen [edit]
[-] netreport [edit]
[-] rpcinfo [edit]
[-] xfs_io [edit]
[-] ifcfg [edit]
[-] grpunconv [edit]
[-] xfs_ncheck [edit]
[-] quot [edit]
[-] fsck.minix [edit]
[-] try-from [edit]
[-] ifstat [edit]
[-] plymouth-set-default-theme [edit]
[-] t1libconfig [edit]
[-] modprobe [edit]
[-] mkfs [edit]
[-] semanage [edit]
[-] fixfiles [edit]
[-] iprdump [edit]
[-] lfd [edit]
[-] pure-ftpd [edit]
[-] lgroupmod [edit]
[-] unix_chkpwd [edit]
[-] btrfs-image [edit]
[-] addgnupghome [edit]
[-] dumpe2fs [edit]
[-] partprobe [edit]
[-] grub2-macbless [edit]
[-] mkfs.btrfs [edit]
[-] groupdel [edit]
[-] mklost+found [edit]
[-] snmpd [edit]
[-] ifconfig [edit]
[-] request-key [edit]
[-] lsof [edit]
[-] suphp [edit]
[-] switch_root [edit]
[-] grub2-get-kernel-settings [edit]
[-] iptables-save [edit]
[-] zramctl [edit]
[-] named-compilezone [edit]
[-] sendmail [edit]
[-] grub2-ofpathname [edit]
[-] parted [edit]
[-] sysctl [edit]
[-] fstrim [edit]
[-] ip6tables [edit]
[-] dmfilemapd [edit]
[-] fsck.ext3 [edit]
[-] ether-wake [edit]
[-] authconfig [edit]
[-] urlsnarf [edit]
[-] blkid [edit]
[-] sefcontext_compile [edit]
[-] swapon [edit]
[-] resizepart [edit]
[-] dnssec-importkey [edit]
[-] exinext [edit]
[-] zic [edit]
[-] e2fsck [edit]
[-] xfs_admin [edit]
[-] vpddecode [edit]
[-] imunify-notifier [edit]
[-] mysqld [edit]
[-] chgpasswd [edit]
[-] halt [edit]
[-] iprconfig [edit]
[-] vipw [edit]
[-] sshmitm [edit]
[-] exim_checkaccess [edit]
[-] losetup [edit]
[-] xfs_info [edit]
[-] arping [edit]
[-] cracklib-format [edit]
[-] exicyclog [edit]
[-] whmapi1 [edit]
[-] bitninjacli [edit]
[-] rtpr [edit]
[-] modinfo [edit]
[-] iprsos [edit]
[-] accessdb [edit]
[-] start-statd [edit]
[-] nl-pktloc-lookup [edit]
[-] xfs_estimate [edit]
[-] tcpdmatch [edit]
[-] swapoff [edit]
[-] grub2-bios-setup [edit]
[-] rmmod [edit]
[-] genhostid [edit]
[-] lnstat [edit]
[-] ipmaddr [edit]
[-] grub2-set-default [edit]
[-] mii-diag [edit]
[-] webspy [edit]
[-] btrfs-select-super [edit]
[-] ausearch [edit]
[-] bridge [edit]
[-] nl-qdisc-delete [edit]
[-] xfs_logprint [edit]
[-] wpa_cli [edit]
[-] genhomedircon [edit]
[-] dnssec-keyfromlabel [edit]
[-] mountstats [edit]
[-] nl-cls-add [edit]
[-] mtr [edit]
[-] selabel_lookup_best_match [edit]
[-] arp-fingerprint [edit]
[-] btrfs-convert [edit]
[-] uuserver [edit]
[-] cbq [edit]
[-] getcap [edit]
[-] pam_tally2 [edit]
[-] sw-engine-fpm [edit]
[-] pam_timestamp_check [edit]
[-] restorecon [edit]
[-] mkfs.cramfs [edit]
[-] runlevel [edit]
[-] logrotate [edit]
[-] exim_fixdb [edit]
[-] audispd [edit]
[-] avcstat [edit]
[-] fuser [edit]
[-] nfsidmap [edit]
[-] pure-quotacheck [edit]
[-] ip6tables-save [edit]
[-] usernetctl [edit]
[-] exim_tidydb [edit]
[-] mount.nfs [edit]
[-] audisp-remote [edit]
[-] getpcaps [edit]
[-] cacertdir_rehash [edit]
[-] named [edit]
[-] exim_dbmbuild [edit]
[-] anacron [edit]
[-] xfs_db [edit]
[-] grub2-install [edit]
[-] start-stop-daemon [edit]
[-] pidof [edit]
[-] paperconfig [edit]
[-] irqbalance [edit]
[-] dnssec-dsfromkey [edit]
[-] check_forensic [edit]
[-] fxload [edit]
[-] pwhistory_helper [edit]
[-] blkdiscard [edit]
[-] lwresd [edit]
[-] tc [edit]
[-] setcap [edit]
[-] reboot [edit]
[-] xfs_mkfile [edit]
[-] btrfstune [edit]
[-] logsave [edit]
[-] insmod [edit]
[-] mkhomedir_helper [edit]
[-] fsfreeze [edit]
[-] badblocks [edit]
[-] tmpwatch [edit]
[-] groupadd [edit]
[-] rotatelogs [edit]
[-] mkdumprd [edit]
[-] makedumpfile [edit]
[-] matchpathcon [edit]
[-] ipset [edit]
[-] runuser [edit]
[-] telinit [edit]
[-] build-locale-archive [edit]
[-] rdisc [edit]
[-] packer [edit]
[-] biosdevname [edit]
[-] csf [edit]
[-] nameif [edit]
[-] xfs_metadump [edit]
[-] fsck [edit]
[-] whmapi0 [edit]
[-] routel [edit]
[-] rpc.rquotad [edit]
[-] umount.nfs [edit]
[-] exiqsumm [edit]
[-] sasl2-shared-mechlist [edit]
[-] NetworkManager [edit]
[-] udevadm [edit]
[-] tcpkill [edit]
[-] mkswap [edit]
[-] fsck.cramfs [edit]
[-] macof [edit]
[-] pam_console_apply [edit]
[-] clockdiff [edit]
[-] clock [edit]
[-] mysqld-debug [edit]
[-] ip6tables-restore [edit]
[-] nfsdcltrack [edit]
[-] filesnarf [edit]
[-] umount.nfs4 [edit]
[-] fdisk [edit]
[-] xfs_bmap [edit]
[-] useradd [edit]
[-] nl-qdisc-list [edit]
[-] devlink [edit]
[-] xfs_growfs [edit]
[-] ebtables-save [edit]
[-] quotacheck [edit]
[-] yum-complete-transaction [edit]
[-] pdns_server [edit]
[-] visudo [edit]
[-] lgroupadd [edit]
[-] aureport [edit]
[-] chpasswd [edit]
[-] filefrag [edit]
[-] ifdown [edit]
[-] grub2-sparc64-setup [edit]
[-] btrfs-debug-tree [edit]
[-] dhclient-script [edit]
[-] nl-class-list [edit]
[-] nfsiostat [edit]
[-] pure-mrtginfo [edit]
[-] faillock [edit]
[-] nl-classid-lookup [edit]
[-] adduser [edit]
[-] named-checkzone [edit]
[-] resize2fs [edit]
[-] get-oui [edit]
[-] get-iab [edit]
[-] exim_dumpdb [edit]
[-] nscd [edit]
[-] ldconfig [edit]
[-] setenforce [edit]
[-] pivot_root [edit]
[-] iconvconfig [edit]
[-] lchage [edit]
[-] exiqgrep [edit]
[-] groupmod [edit]
[-] snmptrapd [edit]
[-] dnssec-signzone [edit]
[-] smartd [edit]
[-] dnsspoof [edit]
[-] gss-server [edit]
[-] rpcbind [edit]
[-] xqmstats [edit]
[-] selinuxdefcon [edit]
[-] e2image [edit]
[-] selinuxexeccon [edit]
[-] rpc.gssd [edit]
[-] semodule [edit]
[-] xfs_mdrestore [edit]
[-] sfdisk [edit]
[-] cracklib-packer [edit]
[-] lnewusers [edit]
[-] exiwhat [edit]
[-] grub2-mkconfig [edit]
[-] tuned [edit]
[-] ownership [edit]
[-] lpasswd [edit]
[-] install-info [edit]
[-] e2label [edit]
[-] dnssec-verify [edit]
[-] apachectl [edit]
[-] rtstat [edit]
[-] ethtool [edit]
[-] tracepath6 [edit]
[-] atd [edit]
[-] iprdbg [edit]
[-] userdel [edit]
[-] applygnupgdefaults [edit]
[-] whmlogin [edit]
[-] arp [edit]
[-] swaplabel [edit]
[-] isc-hmac-fixup [edit]
[-] weak-modules [edit]
[-] mkfs.minix [edit]
[-] exportfs [edit]
[-] dnssec-keygen [edit]
[-] xfs_quota [edit]
[-] rpc.idmapd [edit]
[-] nl-cls-delete [edit]
[-] zdump [edit]
[-] grubby [edit]
[-] saslpasswd2 [edit]
[-] fsck.xfs [edit]
[-] named-journalprint [edit]
[-] delpart [edit]
[-] vmcore-dmesg [edit]
[-] consoletype [edit]
[-] groupmems [edit]
[-] killall5 [edit]
[-] update-alternatives [edit]
[-] grub2-probe [edit]
[-] setfiles [edit]
[-] pure-uploadscript [edit]
[-] arpd [edit]
[-] repquota [edit]
[-] btrfs-find-root [edit]
[-] dmidecode [edit]
[-] pwunconv [edit]
[-] chroot [edit]
[-] wpa_supplicant [edit]
[-] ss [edit]