language: ruby
rvm:
  - 2.6.0
  - 2.5.3
  - 2.4.5
  - 2.3.8
  - 2.2.10
  - 2.1.10
  - 2.0.0-p648 
  - ruby-head  
  - jruby-9.1.9.0    
  - jruby-head 
matrix:
  allow_failures:
    - rvm: ruby-head
    - rvm: jruby-head

gemfile:
  - Gemfile
  
# whitelist
branches:  
  only:
    - master