#!/bin/bash

# Copyright 2018 The gVisor Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Fail on any error.
set -e
# Display commands to stderr.
set -x

# Install the latest version of Bazel and log the version.
(which use_bazel.sh && use_bazel.sh latest) || which bazel
bazel version

# Switch into the workspace.
if [[ -v KOKORO_GIT_COMMIT ]] && [[ -d git/repo ]]; then
  cd git/repo
elif [[ -v KOKORO_GIT_COMMIT ]] && [[ -d github/repo ]]; then
  cd github/repo
fi

# Build runsc.
bazel build -c opt --strip=never //runsc

# Move the runsc binary into "latest" directory, and also a directory with the
# current date.
if [[ -v KOKORO_ARTIFACTS_DIR ]]; then
  latest_dir="${KOKORO_ARTIFACTS_DIR}"/latest
  today_dir="${KOKORO_ARTIFACTS_DIR}"/"$(date -Idate)"
  runsc="bazel-bin/runsc/linux_amd64_pure/runsc"

  mkdir -p "${latest_dir}" "${today_dir}"
  cp "${runsc}" "${latest_dir}"
  cp "${runsc}" "${today_dir}"

  sha512sum "${latest_dir}"/runsc | awk '{print $1 "  runsc"}' > "${latest_dir}"/runsc.sha512
  cp "${latest_dir}"/runsc.sha512 "${today_dir}"/runsc.sha512
fi