---
language: ruby
sudo: false
before_install:
  - gem install bundler --version $BUNDLER_VERSION
install: bundle _${BUNDLER_VERSION}_ install --without development
script: bundle _${BUNDLER_VERSION}_ exec rspec --color --format documentation
notifications:
  email: false

env:
  global:
    - NOKOGIRI_USE_SYSTEM_LIBRARIES=true

matrix:
  include:
    - rvm: 2.0.0
      env: TEST_VAGRANT_VERSION=v1.6.5 BUNDLER_VERSION=1.6.9
    - rvm: 2.0.0
      env: TEST_VAGRANT_VERSION=v1.7.4 BUNDLER_VERSION=1.10.5
    - rvm: 2.2.5
      env: TEST_VAGRANT_VERSION=v1.8.7 BUNDLER_VERSION=1.12.5
    - rvm: 2.2.5
      env: TEST_VAGRANT_VERSION=v1.9.3 BUNDLER_VERSION=1.13.6
    - rvm: 2.2.5
      env: TEST_VAGRANT_VERSION=HEAD BUNDLER_VERSION=1.13.6