#!/bin/sh

#
#    dvd2cd -- create X/OS Linux CD ISO images from a X/OS Linux DVD
#
#    Copyright (c) 2004-2005 by X/OS Experts in Open Systems BV
#
#    Author: Jos Vos <jos@xos.nl>
#
#    This software may be freely redistributed under the terms of the
#    GNU General Public License, version 2 or later.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#

PREFIX="xoslinux-4.0-x86_64-cd"
TOTDISCS="8"

if [ $# -lt 2 ]; then
	echo "Usage: $0 dvd-directory cd-number [ ... ]" >&2
	exit 2
elif [ ! -d "$1/XOS/RPMS" -o ! -d "$1/dvdutils" ]; then
	echo "$0: no X/OS Linux DVD tree found in $1" >&2
	exit 2
fi

CURRDIR=`pwd`
TEMPDIR=/tmp/dvd2cd$$
DVDROOT="$1"
shift

cd $DVDROOT

for i in $*; do
	if [ ! -f "dvdutils/.pathlist-cd$i" ]; then
		echo "$0: unknown CD number \"$i\" given" >&2
		exit 1
	elif [ -f $CURRDIR/cd$i.iso ]; then
		echo "$0: file $CURRDIR/cd$i.iso already exists" >&2
		exit 1
	fi
done

for i in $*; do
	if [ $i -eq 1 ]; then
		options="-b isolinux/isolinux.bin -c isolinux/boot.cat "\
"-no-emul-boot -boot-load-size 4 -boot-info-table"
		params="isolinux/isolinux.bin=$TEMPDIR/isolinux.bin"
		mkdir $TEMPDIR
		install -m 0644 isolinux/isolinux.bin $TEMPDIR/
	else
		options=
		params=
	fi

	#		-volset-size $TOTDISCS -volset-seqno $i \
	sed -e '/^isolinux\/isolinux\.bin$/d' -e 's/.*/&=&/' \
			dvdutils/.pathlist-cd$i |\
		mkisofs -r -J -T -sysid LINUX -input-charset UTF-8 $options \
			-volset-size 1 -volset-seqno 1 \
			-o $CURRDIR/${PREFIX}${i}.iso \
			-graft-points -path-list - \
			.discinfo=dvdutils/.discinfo-cd$i $params

	if [ $i -eq 1 ]; then
		rm -rf $TEMPDIR
	fi
done

exit 0