language: ruby
rvm:
  - 2.0.0
  - 2.1.10
  - 2.2.6
  - 2.3.3
  - 2.4.0
before_install:
  - gem update bundler
before_script:
  - '[ "$DISABLE_OPENSSL" = "1" ] && sudo apt-get remove -y libssl-dev || true'
script:
  - bundle install
  - bundle exec rake
env:
  - DISABLE_OPENSSL=0
  - DISABLE_OPENSSL=1