#!/usr/bin/env bash
#
# Copyright 2020 The Knative 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
#
#     https://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.

set -Eeuo pipefail

function upload_test_images() {
  echo ">> Publishing test images"
  # Script needs to be executed from the root directory
  # to pickup .ko.yaml
  cd "$(dirname "${BASH_SOURCE[0]}")/.."
  local image_dir='test/test_images'
  local docker_tag="${1:-}"
  local tag_option=()
  if [ -n "${docker_tag}" ]; then
    tag_option+=(--tags "$docker_tag,latest")
  fi

  # If PLATFORM environment variable is specified, then images will be built for
  # specific hardware architecture.
  # Example of the variable values - "linux/arm64", "linux/s390x".
  local platform=()
  if [ -n "${PLATFORM:-}" ]; then
    platform+=(--platform "${PLATFORM}")
  fi

  # ko resolve is being used for the side-effect of publishing images,
  # so the resulting yaml produced is ignored.
  # We limit the number of concurrent builds (jobs) to avoid OOMs.
  ko \
    resolve \
    --jobs=4 \
    "${platform[@]}" \
    "${tag_option[@]}" \
    -RBf "${image_dir}" > /dev/null
}

: "${KO_DOCKER_REPO:?You must set 'KO_DOCKER_REPO'}"

upload_test_images "$@"