language: ruby
rvm:
  - 2.3.4
  - 2.4.0

git:
  depth: 10

env:
  global:
    - NOKOGIRI_USE_SYSTEM_LIBRARIES=true

sudo: false
cache: bundler

addons:
  apt:
    sources:
      - kalakris-cmake
    packages:
      - cmake

matrix:
  include:
    - script: bundle exec rake rubocop
      rvm: 2.4.0

language: ruby
rvm:
  - 2.3.6
  - 2.4.3
  - 2.5.0

git:
  depth: 10

env:
  global:
    - NOKOGIRI_USE_SYSTEM_LIBRARIES=true

sudo: false
cache: bundler

addons:
  apt:
    sources:
      - kalakris-cmake
    packages:
      - cmake

matrix:
  include:
    - script: bundle exec rake rubocop
      rvm: 2.5.0

Test against Ruby 2.4 and 2.5
[CI] Test against Ruby 2.4 and 2.5