#!/bin/bash
set -o nounset
set -o errexit

realpath() {
  echo "$(cd "$(dirname "$1")"; pwd)/$(basename "$1")"
}

DOCKER_DIR=$(dirname $(realpath $0))
PROJECT_DIR=$(dirname $DOCKER_DIR)

verify_dockerfile_exists() {
  if [ ! -f $1 ]; then
    echo "The Dockerfiler $1 does not exist"
    exit 1
  fi
}

dockerfile_path_for_platform() {
  echo "$SCRATCH_DIR/Dockerfile.$1"
}

copy_bazel_rc_to() {
  cp $PROJECT_DIR/tools/docker/bazel.rc $1
}

DOCKER_FILE=$(dockerfile_path_for_platform $TARGET_PLATFORM)
verify_dockerfile_exists $DOCKER_FILE
copy_bazel_rc_to  $SCRATCH_DIR/bazelrc

echo "Building heron-compiler container"
docker build -t heron-compiler:$TARGET_PLATFORM -f $DOCKER_FILE $SCRATCH_DIR

echo "Running build in container"
docker run \
    --rm \
    -e TARGET_PLATFORM=$TARGET_PLATFORM \
    -e SCRATCH_DIR="/scratch" \
    -e SOURCE_TARBALL="/src.tar.gz" \
    -e OUTPUT_DIRECTORY="/dist" \
    -e HERON_VERSION=$HERON_VERSION \
    -e HERON_GIT_RELEASE="${HERON_GIT_RELEASE}" \
    -e HERON_GIT_REV="${HERON_GIT_REV}" \
    -e HERON_GIT_COMMIT_MSG="${HERON_GIT_COMMIT_MSG}" \
    -e HERON_BUILD_HOST="${HERON_BUILD_HOST}" \
    -e HERON_BUILD_USER="${HERON_BUILD_USER}" \
    -e HERON_BUILD_TIME="${HERON_BUILD_TIME}" \
    -e HERON_TREE_STATUS="${HERON_TREE_STATUS}" \
    -v "$SOURCE_TARBALL:/src.tar.gz:ro" \
    -v "$OUTPUT_DIRECTORY:/dist" \
    -it heron-compiler:$TARGET_PLATFORM /compile-platform.sh