#!/bin/sh

set -e

mkdir -p /tmp/iso
cd /tmp/iso

# input is a tarball of filesystem on stdin
# output is an iso on stdout

# extract. BSD tar auto recognises compression, unlike GNU tar
# only if stdin is a tty, if so need files volume mounted...
[ -t 0 ] || bsdtar xzf -

genisoimage -o ../linuxkit.iso -l -J -R \
		-joliet-long -input-charset utf8 \
                -V LinuxKit .
cat ../linuxkit.iso