.travis.yml

dist: trusty

language: java

jdk:
    - oraclejdk8
    - oraclejdk9
    - oraclejdk11
    - openjdk10
    - openjdk11

# https://github.com/travis-ci/travis-ci/issues/8667
install:
- true

before_cache:
    - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
    - rm -fr $HOME/.gradle/caches/*/plugin-resolution/

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

script:
    # make format
    - make ci