#!/bin/bash

mount binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc
echo -1 > /proc/sys/fs/binfmt_misc/qemu-aarch64 || true
echo ':qemu-aarch64:M::\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/bin/qemu-aarch64-static:OCF' > /proc/sys/fs/binfmt_misc/register

CHROOT_DIR=./arm64_debian9
DEBIAN_REL=stretch

if [ ! -d "${CHROOT_DIR}" ]; then
  qemu-debootstrap --arch arm64 ${DEBIAN_REL} "${CHROOT_DIR}"
  cat << EOF > "${CHROOT_DIR}/update.sh"
#!/bin/bash  
apt-get update && apt-get -y install \
  apt-utils \
  build-essential \
  curl \
  autoconf \
  automake \
  libtool \
  pkg-config \
  cmake \
  jq \
  make \
  gcc \
  g++ \
  libfuse-dev \
  libstdc++-6-dev \
  diffutils \
  git \
  tar \
  wget \
  zlib1g-dev \
  zip
EOF

  chmod +x "${CHROOT_DIR}/update.sh"
  systemd-nspawn -D "${CHROOT_DIR}" "./update.sh"
fi