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#!/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 "$runLilo" ]; then
	    [ -n "$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 "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

Rosenblum TV: Video training, virtual workshops, classes, tutorials
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  • About
  • What We Do
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  • Case Studies
    • The BBC
    • CBS News
    • New York Times Television
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    • The Newark Star-Ledger
    • The United Nations
    • McGraw/Hill
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    • Scottish Environmental Protection Agency
  • The Power of Storytelling
  • Why iPhones?
  • Michael on Media
  • Books
  • Contact
  • About
  • What We Do
  • Our Clients
  • Case Studies
    • The BBC
    • CBS News
    • New York Times Television
    • Spectrum News
    • The Newark Star-Ledger
    • The United Nations
    • McGraw/Hill
    • Oyster Yachts
    • Scottish Environmental Protection Agency
  • The Power of Storytelling
  • Why iPhones?
  • Michael on Media
  • Books
  • Contact

RE-INVENTING THE TELEVISION NEWS BUSINESS*

A revolution in video storytelling

Creating entirely new & cost-effective production methods

From the world leaders in video production training and the creators of Character Driven Storytelling™

*and every other business that uses video

WHAT WE DO

Over the past 35 years, we have designed, built or restructured some of the most powerful news and journalism companies in the world.

We replace the traditional TV news ‘crew’ with one highly trained journalist, working alone with nothing but an iPhone.

No more TV news ‘crews’, no editors and no field producers.

This is television news done the way newspaper journalism is done – one reporter with their electronic pad and pencil.

In doing this, we can cut the cost of production by as much as 75% while increasing ratings and audience engagement.

In the place of conventional TV news ‘packages’ – ie, reporter stand up, interview, b-roll, man on the street, we marry great journalism with Netflix and Hollywood storytelling.

It’s a combination that works.

We have taken most of our clients to #1 in their respective markets.

And it’s not just for news. Any company, any profit, any NGO and anyone else who is online needs to tell their story in compelling yet cost-effective video. We can teach you to do that. Either in person or virtually.

EXAMPLES OF WHAT WE CAN TEACH YOUR STAFF TO PRODUCE

ITAY HOD

Itay Hod, MMJ with KPIX/CBS in San Francisco, took the 5-Day Intensive Video Storytelling Bootcamp in 2018.

Because he works alone, with only an iPhone, he was able to embed himself with a homeless family.

Here’s the story he produced in a one-day turn.

KIET DO

Kiet Do, an MMJ with KPIX/CBS in San Francisco, took the 5-Day Intensive Video Storytelling Bootcamp in 2021.

Here is a story he produced, all on his own, with only an iPhone and in a one-day turn.

TAYLOR SCHAUB

Taylor Schaub, an MMJ with Spectrum News 1 in LA, took the 5-Day Intensive Video Storytelling Bootcamp in 2023.

Here is a story he turned in only one day, using only an iPhone. It was the first video story he ever did and it was nominated for an Emmy.

THE BOOTCAMP

How do we convert stations and whole networks to working in this way?

Since 1988, we have run intensive 5-Day Video Storytelling Bootcamps

We have done these all over the world.

These are hands-on bootcamps, and participants learn an entirely new way of creating TV news stories.

-We shoot at a 3:1 ratio or lower, so turnaround times are fast.

-We go directly from camera to timelilne and edit – no written scripts.  We work in the medium of pictures and sound.

-We are entirely character-driven.

-We are driven by pictures and real events.

-We are focused almost entirely on ’the viewer experience’.

Since 1988, more than 70,000 journalists around the world have taken our bootcamps, either in person on virtualy.

Case Studies

CBS Case Study Logos
CBS News

We have started to work with CBS News, bringing our ideas of character-driven storytelling to one of the most successful and biggest networks in the United States. Since beginning to work with them ratings have climbed and more importantly, audience engagement is through the ceiling.

Learn More
NYT Case Study Logos
New York Times Television

We started New York Times Television in 1990 and it was the first paper to be brought into the world of TV. It quickly became one of the most successful non-fiction production companies in the United States. The series and documentaries we produced won many awards including multiple Emmys.

Learn More
BBC Case Study Logos
The BBC

We have been working with the BBC since the year 2000 helping to convert their national news network to our visual storytelling technique. Most recently we have trained teams from their sports, documentaries, and comedy divisions to make character-driven stories using only smartphones.

Learn More
Spectrum Case Study Logos
Spectrum News

For the past five years we have worked with Spectrum News to introduce and train their journalists on visual, character driven storytelling using smartphones helping to create a different kind of local news for their network of 24-Hour News Stations across the United States.

Learn More
UN Case Study Logos
The United Nations

In 2006, we were approached by the United Nations. Rather than rely on news outlets, it would be much easier to train the field operatives to produce their own stories. We spent two years working with the UN, training more than 100 of their staff in bootcamps in Geneva and Nairobi.

Learn More
Star Ledger Case Study Logos
The Newark Star-Ledger

We trained 50 print reporters at the paper to shoot and tell their own stories, in conjunction with their print work. We built a TV newsroom in their existing print newsroom – you could not ask for a better set and they began to live stream their stories in conjunction with their print work.

Learn More
Mcgraw Hill Case Study Logos
Mcgraw Hill

We spent two years with McGraw Hill, training more than 150 of their staffers, making them completely video literate. McGraw/Hill media properties we transit included Business Week, Aviation Week, (what was the name of the architecture magazine), and JD Power and Associates.

Learn More
VOA Case Study Logos
Voice of America

In 1990, we were approached by The Voice of America, the official broadcasting agency for the United States Government. When we met with VOA, they were only a short wave radio broadcaster, but working with them, we took them into television, launching VOA-TV.

Learn More
Oyster Case Study Logos
Oyster Yachts

British based Oyster Yachts makes some of the finest yachts in the world. Like every other company, they had to find a way to feed the never-ending video demands of social media – sites like Instagram and TikTok. We trained the Oyster staff to tell their own stories, using only iPhones.

Learn More
SEPA Case Study Logos
Scottish Environmental Protection Agency

We were approached by SEPA, the Scottish Environmental Protection Agency because they had to continually find a way to ‘feed the media beast’. The result was that SEPA was able to tell their own stories, whenever they wanted, and at almost no additional cost.

Learn More
Image 11-11-22 at 6.25 PM

Michael on Media

Michael Rosenblum has been writing about the media since 1988. His work and ideas have appeared in The Guardian, The Huffington Post, Ilkeston Life and many other publications.

He has been blogging regularly for the past 35 years on this subject. Having taught media studies at Columbia University, NYU and now the University of Oxford, he is considered an expert on this subject.

Continue reading this post or look back at previous posts.

Read More

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