debian-cd-clone/tools/boot/stretch/boot-arm-common

# Do common install stuff for armel/armhf, including making bootable CDs
# Works with debian-installer
#
# $1 is the CD number
# $2 is the temporary CD build dir
#
# This is copied from the old arm script and it is currently disabled as there
# don't seem to be any CD-bootable armel/armhf machines.

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

N=$1
CDDIR=$2
INSTALLDIR="install"

# Common options for all disks
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-J -joliet-long"
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-cache-inodes"
add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-l"

# Exit if this is not CD#1/DVD#1
if [ $N != "1" ]; then
    exit 0
fi

if [ "$DI_WWW_HOME" = "default" ]; then
    # Tempting as it might be to merge these definitions using $ARCH,
    # do *not* do that - these defs are parsed out by other scripts
    # that won't cope with that
    if [ "$ARCH" = armel ]; then
        DI_WWW_HOME="https://d-i.debian.org/daily-images/armel/daily"
    elif [ "$ARCH" = armhf ]; then
        DI_WWW_HOME="https://d-i.debian.org/daily-images/armhf/daily"
    else
        echo "$0: unknown arch $ARCH; abort"
	exit 1
    fi
    try_di_image_cache
else
    DI_WWW_HOME=$(echo $DI_WWW_HOME | sed "s,%ARCH%,$ARCH,")
fi

# This arch is currently not bootable directly from CD, and there's
# not a lot we can do about that. But add the needed files in the
# right place so that users can find them, at least
copy_arch_images