debian-cd-clone/tools/boot/stretch/boot-ia64

#!/bin/bash
#
# boot-ia64
#
# $1 is the CD number
# $2 is the temporary CD build dir

. $BASEDIR/tools/boot/$DI_CODENAME/common.sh

set -e

N=$1
CDDIR=$2
BOOTDIR=
if [ "$DI_WWW_HOME" = "default" ];then
    DI_WWW_HOME="https://d-i.debian.org/daily-images/ia64/daily"
    try_di_image_cache
fi

cd $CDDIR/..

# Only disc 1 bootable
if [ $N != 1 ]; then 
    add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-J -joliet-long"
	exit 0; 
fi

# Download boot images
for image in boot.img; do
    if [ ! -e "$image" ]; then
	if [ ! "$DI_WWW_HOME" ];then
        	if [ ! "$DI_DIR" ];then
		   DI_DIR="$MIRROR/dists/$DI_DIST/main/installer-$ARCH/current/images"
		fi
		cp "$DI_DIR/cdrom/$image" . || \
		cp "$DI_DIR/$image" .
	else
		$WGET "$DI_WWW_HOME/cdrom/$image" || \
		$WGET "$DI_WWW_HOME/$image"
	fi
    fi
done

mkdir -p boot$N/boot
cp -f boot.img boot$N/boot/
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-J -joliet-long"
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-no-emul-boot"
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-b boot/boot.img"
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-c boot/boot.catalog"

bls=$(calc_boot_size "boot$N/boot/boot.img")
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-boot-load-size $bls"
add_mkisofs_opt $CDDIR/../$N.mkisofs_dirs "boot$N"

# done