.travis.yml

# Travis CI config to run tests using Docker
# See: https://docs.travis-ci.com/user/docker/
# See: https://docker.io/
sudo: required
dist: trusty
language: c  # C seems to have the least amount of setup
services:
  - docker

notifications:
  email:
    - deepdive-notifications@cs.stanford.edu
    # XXX Routing notifications through cs.stanford.edu as Travis cannot directly send to googlegroups.com
    # See: https://github.com/travis-ci/travis-ci/issues/2513
    #- deepdive-dev@googlegroups.com
  webhooks:
    urls:
      # gitter.im/HazyResearch/deepdive
      - https://webhooks.gitter.im/e/ee3a2470727e53cdc3c3
    on_success: change  # options: [always|never|change] default: always
    on_failure: always  # options: [always|never|change] default: always
    on_start: never     # options: [always|never|change] default: always

before_install:
  # Check coding style before performing the build and tests
  - make checkstyle;

  # Have Docker build scripts use and update the correct images (these can override DockerBuild.conf)
  - export DOCKER_IMAGE=hazyresearch/deepdive-build;
  - export POSTGRES_DOCKER_IMAGE=hazyresearch/postgres;

  # Pull Docker images
  - docker pull $DOCKER_IMAGE;
  - docker pull $POSTGRES_DOCKER_IMAGE;

install:
  # Build using Docker
  - ./DockerBuild/build-in-container
  # TODO tag the $DOCKER_IMAGE with TRAVIS environment

script:
  # Run all tests using Docker
  - ./DockerBuild/test-in-container-postgres

  # Check broken links in documentation
  # TODO check only when doc/ has changed
  #- make -C doc/ linkcheck

after_script:
  - docker login -e "$encrypted_DOCKER_EMAIL" -u "$encrypted_DOCKER_USERNAME" -p "$encrypted_DOCKER_PASSWORD";

    # decide what tag to use
  - if [[ $TRAVIS_TEST_RESULT = 0 ]];
    then verdict=PASS;
    else verdict=FAIL;
    fi;

    # push the test result
  - if [[ $TRAVIS_PULL_REQUEST = false ]];
    then docker tag $DOCKER_IMAGE:latest-test  $DOCKER_IMAGE:$TRAVIS_BRANCH.latest-test;
         docker push                           $DOCKER_IMAGE:$TRAVIS_BRANCH.latest-test;
         docker tag $DOCKER_IMAGE:latest-test  $DOCKER_IMAGE:$TRAVIS_BRANCH.latest-test-$verdict;
         docker push                           $DOCKER_IMAGE:$TRAVIS_BRANCH.latest-test-$verdict;
    else docker tag $DOCKER_IMAGE:latest-test  $DOCKER_IMAGE:pr$TRAVIS_PULL_REQUEST-test;
         docker push                           $DOCKER_IMAGE:pr$TRAVIS_PULL_REQUEST-test;
    fi;

    # update the master image with the successful build
  - case $TRAVIS_EVENT_TYPE-$TRAVIS_BRANCH-$verdict in
        push-master-PASS)
            docker tag $DOCKER_IMAGE:latest-build $DOCKER_IMAGE:latest;
            docker push                           $DOCKER_IMAGE:latest;;
        push-*-PASS)
            docker tag $DOCKER_IMAGE:latest-build $DOCKER_IMAGE:$TRAVIS_BRANCH.latest;
            docker push                           $DOCKER_IMAGE:$TRAVIS_BRANCH.latest;
    esac;

## update GitHub releases for some select branches (master and v*.*.x)
#deploy:
#  - provider: script
#    script: util/build/decrypt-travis-then-update-github-releases
#    skip_cleanup: true
#    on:
#      repo: HazyResearch/deepdive
#      all_branches: true
#      # TODO condition: "$TRAVIS_BRANCH = master || $TRAVIS_BRANCH = v*.*.x"
#  - provider: script
#    script: util/build/decrypt-travis-then-update-github-releases
#    skip_cleanup: true
#    on:
#      repo: HazyResearch/deepdive
#      tag: true