language: java

matrix:
  include:
    - os: linux
      jdk: oraclejdk8 # The default JDK is 7 if unspecified, and we need 8
    - os: osx
      osx_image: xcode8 # other OSX images can't switch to JDK8, this one has it built-in

# These files change at every build, and should not be cached
# https://docs.travis-ci.com/user/languages/java/#Caching
before_cache:
  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/

# Cache Gradle's dependencies and wrapper download
cache:
  directories:
    - $HOME/.gradle/caches/
    - $HOME/.gradle/wrapper/