#!/bin/bash
#
# Copyright (c) 2013 The CoreOS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

SCRIPT_ROOT=$(dirname $(readlink -f "$0"))
. "${SCRIPT_ROOT}/common.sh" || exit 1

TYPE="coreos-toolchains"
FORCE_STAGES="stage4"

. "${BUILD_LIBRARY_DIR}/catalyst.sh" || exit 1

# include upload options
. "${BUILD_LIBRARY_DIR}/release_util.sh" || exit 1

## Define the stage4 config template
catalyst_stage4() {
cat <<EOF
pkgcache_path: $BINPKGS
stage4/packages: @system
stage4/fsscript: ${BUILD_LIBRARY_DIR}/catalyst_toolchains.sh
stage4/root_overlay: ${ROOT_OVERLAY}
EOF
catalyst_stage_default 4
}
create_provenance_overlay() {
  local root_overlay="$1"
  while read f; do
    d="${f%/*}"
    mkdir -p "${root_overlay}${d}/"
    cp "${f}" "${root_overlay}${d}/"
  done < <(find /mnt/host/source/src/scripts -name HEAD)
  local scripts_git=/mnt/host/source/src/scripts/.git
  # `git rev-parse` fails due to the safe.directory setting in SDK container.
  # Open-code the ref lookup
  read scripts_hash <"${scripts_git}/HEAD"
  if [[ "${scripts_hash}" == "ref:"* ]]; then
    read scripts_hash<"${scripts_git}/${scripts_hash#ref: }"
    echo "${scripts_hash}" >"${root_overlay}${scripts_git}/HEAD"
  fi
  mkdir -p "${root_overlay}/mnt/host/source/.repo/manifests"
  cp "${REPO_MANIFESTS_DIR}/version.txt" "${root_overlay}/mnt/host/source/.repo/manifests"
}

catalyst_init "$@"

ROOT_OVERLAY="${TEMPDIR}/stage4-${ARCH}-$FLAGS_version-overlay"

# toolchain_util.sh is required by catalyst_toolchains.sh
mkdir -p "${ROOT_OVERLAY}/tmp"
cp "${BUILD_LIBRARY_DIR}/toolchain_util.sh" "${ROOT_OVERLAY}/tmp"
create_provenance_overlay "${ROOT_OVERLAY}"

catalyst_build
command_completed