sudo: false

language: java

matrix:
  fast_finish: true
  include:
  - jdk: openjdk8
    env: TASK=BUILD
    os: linux

  - jdk: oraclejdk9
    env: TASK=BUILD
    os: linux

  - jdk: openjdk10
    env: TASK=BUILD
    os: linux

# TODO(songy23): fix JDK 11 build
#  - jdk: openjdk11
#    env: TASK=BUILD
#    os: linux

  - jdk: openjdk8
    env: TASK=CHECKER_FRAMEWORK
    os: linux

  - env: TASK=CHECK_GIT_HISTORY
    os: linux

  # Build example projects last, since they are affected by fewer pull requests.
  - jdk: openjdk8
    env: TASK=BUILD_EXAMPLES_GRADLE
    os: linux

  - jdk: openjdk8
    env: TASK=BUILD_EXAMPLES_MAVEN
    os: linux

  # Work around https://github.com/travis-ci/travis-ci/issues/2317
  - env: TASK=BUILD
    # Set the java version to 1.8 until we fix the build for java10.
    osx_image: xcode9.3
    os: osx

  allow_failures:
  # Allowing failures because osx builds are very slow.
  - env: TASK=BUILD
    os: osx

before_install:
  - git log --oneline --decorate --graph -30

# Skip Travis' default Gradle install step. See http://stackoverflow.com/a/26575080.
install: true

script:
  - buildscripts/travis_script

after_success:
  - if \[ "$TASK" == "BUILD" \] && \[ "$TRAVIS_JDK_VERSION" == "openjdk8" \] && \[ "$TRAVIS_OS_NAME" = linux \]; then
    bash <(curl -s https://codecov.io/bash) ;
    fi

before_cache:
  - rm -fr $HOME/.gradle/caches/modules-2/modules-2.lock

cache:
  directories:
    - $HOME/.gradle
    - $HOME/.gradle/caches/
    - $HOME/.gradle/wrapper/