# Copyright 2018 The Cartographer 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.

sudo: required
services: docker

# Cache intermediate Docker layers. For a description of how this works, see:
# https://giorgos.sealabs.net/docker-cache-on-travis-and-docker-112.html
cache:
  directories:
    - /home/travis/docker/

env:
  - ROS_RELEASE=melodic DOCKER_CACHE_FILE=/home/travis/docker/melodic-cache.tar.gz
  - ROS_RELEASE=noetic DOCKER_CACHE_FILE=/home/travis/docker/noetic-cache.tar.gz

before_install:
  # $GITHUB_TOKEN must be a valid GitHub access token without access rights (https://github.com/settings/tokens).
  # Either add your token to the 'env' section above or add it as an unencrypted variable in the Travis settings.
  - scripts/check_access_token.sh $GITHUB_TOKEN
  - scripts/load_docker_cache.sh

install: true
script:
  - scripts/build_docker.sh $GITHUB_TOKEN
  - scripts/save_docker_cache.sh