#!/bin/bash
set -euo pipefail

VERSION="$1"
VOLUME="build_output_$VERSION"

echo "[INFO] Building rootfs for $VERSION"
docker volume create "$VOLUME"

docker build --build-arg VERSION="$VERSION" -t "fithwum/debian-$VERSION-base" .

docker run --rm --privileged -v "$VOLUME:/output" \
  -e VERSION="$VERSION" \
  "fithwum/debian-$VERSION-base" \
  bash -c "/scripts/bootstrap-rootfs.sh \"$VERSION\""

container_id=$(docker create -v "$VOLUME:/output" debian)
mkdir -p "output/$VERSION"
docker cp "$container_id:/output/$VERSION/debian-$VERSION.tar.bz2" "output/$VERSION/"
docker rm "$container_id"