language: ruby
rvm:
 - 2.2
 - 2.3.4
 - 2.4.1
 - ruby-head
 - jruby-9.1.0.0

matrix:
  fast_finish: true
  exclude:
    - rvm: 2.0
  allow_failures:
    - rvm: ruby-head

script: bundle exec rake

before_install:
  - gem update --system
  - gem update jar-dependencies