language: ruby
cache:
  - bundler
before_install:
  - gem update --system
  - gem install bundler
bundler_args: --without guard development

matrix:
  include:
    - rvm: 2.0.0
    - rvm: 2.1.9
    - rvm: 2.2.6
    - rvm: 2.3.3
    - rvm: 2.4.0
    - rvm: jruby-9.1.6.0
      jdk: oraclejdk8
      env:
        - JRUBY_OPTS=--debug

language: ruby
cache:
  - bundler
before_install:
  - gem update --system
  - gem install bundler
bundler_args: --without guard development

matrix:
  include:
    - rvm: 2.0.0
    - rvm: 2.1.9
    - rvm: 2.2.6
    - rvm: 2.3.3
    - rvm: 2.4.0
    - rvm: jruby-9.1.6.0
      jdk: oraclejdk8
      env:
        - JRUBY_OPTS=--debug
    - rvm: 2.2.6
      install: true # This skips 'bundle install'
      script: gem build rainbow && gem install *.gem

Add Travis build target testing gem installation
Add Travis build target testing gem installation
