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#!/bin/bash
#
# upd-bootiso
#
# Copyright (C) 2010 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/>.
#
# Author: Brian C. Lane <bcl@redhat.com>
#
# Update an existing boot.iso image with new anaconda rpm build
#
# This likely only works with x86 iso's since doPostImages() was borrowed
# from mk-images.x86
#
# Borrowed from mk-images.x86
doPostImages() {
if [ -n "$BOOTISO" ]; then
EFIARGS=""
EFIGRAFT=""
if [ -f $TOPDESTPATH/images/efiboot.img ]; then
echo "Found efiboot.img, making an EFI-capable boot.iso"
EFIARGS="-eltorito-alt-boot -e images/efiboot.img -no-emul-boot"
EFIGRAFT="EFI/BOOT=$TOPDESTPATH/EFI/BOOT"
else
echo "No efiboot.img found, making BIOS-only boot.iso"
fi
BIOSARGS="-b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table"
mkisocmd="mkisofs -v -o $BOOTISO $BIOSARGS $EFIARGS -R -J -V '$CDLABEL' -T $TOPDESTPATH"
echo $PWD:\$ $mkisocmd
eval $mkisocmd
if [ -x /usr/bin/isohybrid ]; then
isohybrid $BOOTISO || echo "Unable to make hybrid boot.iso"
fi
implantisomd5 $BOOTISO
fi
}
abspath() {
dir="$1"
file=""
if [[ -f "$dir" ]]; then
file=/`basename "$dir"`
dir=`dirname "$dir"`
fi
echo `cd "$dir" && pwd -P`"$file"
}
usage() {
if [ $1 -ne 0 ]; then
>&2
fi
echo "upd-bootiso <boot.iso> <anaconda.rpm> [other.rpm] ..."
exit $1
}
[ -z "$1" -o -z "$2" ] && usage 1
[ "$1" == "--help" ] && usage 0
if [ "$(id -u)" != "0" ]; then
echo "You must be root to run this script"
exit 1
fi
TMPDIR=$(mktemp -d)
[ $? -eq 0 ] || exit 1
#ORIG_ISO=$(readlink -f $1)
#ANACONDA_RPM=$(readlink -f $2)
ORIG_ISO=$(abspath $1)
ANACONDA_RPM=$(abspath $2)
shift 2;
# Get the full path to any other rpms
EXTRA_RPMS=""
for f in $*; do
EXTRA_RPMS="$EXTRA_RPMS$(abspath $f) "
done
# Which anaconda release is this?
echo $ANACONDA_RPM | python -c 'import sys,os;exit(int(os.path.basename(sys.stdin.readline())[9:].split(".")[0]))'
VER=$?
# Figure out if this is a 64 bit system
# < 12 doesn't use lib64 directory
if [[ $VER -gt 11 && $ANACONDA_RPM =~ "x86_64" ]]; then
LIBDIR=lib64
else
LIBDIR=lib
fi
echo "LIBDIR=$LIBDIR"
echo "Working in $TMPDIR"
pushd $TMPDIR
# Extract the iso into newiso
echo "Extracting $ORIG_ISO to ./newiso/"
mkdir ./iso.orig
mount -o loop $ORIG_ISO ./iso.orig
mkdir ./newiso
rsync -a ./iso.orig/ ./newiso/
umount ./iso.orig
# Update the install.img with new anaconda files
if [ $VER -gt 11 ]; then
echo "Extracting ./newiso/images/install.img to ./newinstall/"
mkdir ./install
mount -o loop ./newiso/images/install.img install/
mkdir ./newinstall
rsync -a ./install/ ./newinstall/
umount ./install
pushd ./newinstall
rpm2cpio $ANACONDA_RPM | cpio -idu
# Unpack any other rpms
for f in $EXTRA_RPMS; do
echo "Unpacking $f"
rpm2cpio $f | cpio -idu
done
if [ $VER -gt 13 ]; then
echo "Detected anaconda release 14+"
# >= anaconda-14.* do this
cp ./usr/share/anaconda/raidstart-stub ./usr/bin/raidstart
cp ./usr/share/anaconda/raidstop-stub ./usr/bin/raidstop
cp ./usr/share/anaconda/losetup-stub ./usr/bin/losetup
cp ./usr/share/anaconda/list-harddrives-stub ./usr/bin/list-harddrives
cp ./usr/share/anaconda/loadkeys-stub ./usr/bin/loadkeys
cp ./usr/share/anaconda/mknod-stub ./usr/bin/mknod
cp ./usr/share/anaconda/restart-anaconda ./usr/bin/restart-anaconda
cp ./usr/sbin/anaconda ./usr/bin/anaconda
cp ./usr/$LIBDIR/python?.?/site-packages/pyanaconda/sitecustomize.py ./usr/$LIBDIR/python?.?/site-packages
elif [ $VER -gt 11 ]; then
echo "Detected anaconda release 12 or 13"
# 12 or 13 do this
cp ./usr/$LIBDIR/anaconda/raidstart-stub ./usr/bin/raidstart
cp ./usr/$LIBDIR/anaconda/raidstop-stub ./usr/bin/raidstop
cp ./usr/$LIBDIR/anaconda/losetup-stub ./usr/bin/losetup
cp ./usr/$LIBDIR/anaconda/list-harddrives-stub ./usr/bin/list-harddrives
cp ./usr/$LIBDIR/anaconda/loadkeys-stub ./usr/bin/loadkeys
cp ./usr/$LIBDIR/anaconda/mknod-stub ./usr/bin/mknod
cp ./usr/$LIBDIR/anaconda/syslogd-stub ./usr/bin/syslogd
cp ./usr/sbin/anaconda ./usr/bin/anaconda
cp ./usr/$LIBDIR/anaconda-runtime/lib* ./usr/lib
cp ./usr/$LIBDIR/anaconda/sitecustomize.py ./usr/lib/python?.?/site-packages
else
# Note this is for reference, it won't ever get here
# <= 11 do this
cp ./usr/lib/anaconda/raidstart-stub ./usr/bin/raidstart
cp ./usr/lib/anaconda/raidstop-stub ./usr/bin/raidstop
cp ./usr/lib/anaconda/losetup-stub ./usr/bin/losetup
cp ./usr/lib/anaconda/pump-stub ./usr/bin/pump
cp ./usr/lib/anaconda/list-harddrives-stub ./usr/bin/list-harddrives
cp ./usr/lib/anaconda/kudzu-probe-stub ./usr/bin/kudzu-probe
cp ./usr/lib/anaconda/loadkeys-stub ./usr/bin/loadkeys
cp ./usr/lib/anaconda/mknod-stub ./usr/bin/mknod
cp ./usr/lib/anaconda/syslogd-stub ./usr/bin/syslogd
cp ./usr/sbin/anaconda ./usr/bin/anaconda
cp ./usr/lib/anaconda-runtime/lib* ./usr/$LIBDIR
fi
popd
else
echo "Cannot update stage2.img (old squashfs version). Only updating initrd"
mkdir ./newinstall
pushd ./newinstall
rpm2cpio $ANACONDA_RPM | cpio -idu
# Unpack any other rpms
for f in $EXTRA_RPMS; do
echo "Unpacking $f"
rpm2cpio $f | cpio -idu
done
popd
fi
# Extract the initrd.img to newtree
echo "Extracting the initrd.img to ./newtree"
mkdir ./newtree
gunzip < ./newiso/isolinux/initrd.img > ./initrd
pushd ./newtree
cpio -idu < ../initrd
# Copy over files from anaconda
if [ $VER -gt 11 ]; then
cp ../newinstall/usr/$LIBDIR/anaconda/loader ./sbin/
cp ../newinstall/usr/share/anaconda/loader.tr ./etc/
cp ../newinstall/usr/$LIBDIR/anaconda/init ./sbin/
# non-standard, used for debugging stage1 problems
cp ../newinstall/usr/bin/{ls,cat,less} ./sbin/
else
cp ../newinstall/usr/lib/anaconda-runtime/loader/loader ./sbin/
cp ../newinstall/usr/lib/anaconda-runtime/loader/loader.tr ./etc/
cp ../newinstall/usr/lib/anaconda-runtime/loader/init ./sbin/
fi
# Create the new initrd.img
find . |cpio --quiet -c -o | gzip -9 > ../initrd.img
popd
# Stuff new initrd.img into the newiso tree
find ./newiso/ -iname initrd.img -exec cp initrd.img {} \;
# Make a new install.img
if [ $VER -gt 11 ]; then
echo "Create new install.img"
mksquashfs ./newinstall install.img -all-root -no-fragments -no-progress
find ./newiso/ -iname install.img -exec cp install.img {} \;
fi
# Make a new boot.iso image
BOOTISO="./new-boot.iso"
TOPDESTPATH="./newiso"
CDLABEL="Fedora"
rm $TOPDESTPATH/isolinux/boot.cat
echo "Build new iso"
doPostImages
mv new-boot.iso /tmp/
echo "new-boot.iso is in /tmp/"
popd
rm -rf $TMPDIR
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