---
-sudo: required
-dist: xenial
-language: ruby
-before_install:
- - gem update --system
+language: nix
before_script:
- - npm install -g eslint
-rvm:
- - 2.3.8
- - 2.4.4
- - 2.5.3
- - 2.6.1
+ - nix-env -iA nixpkgs.hlint nixpkgs.ruby_2_6
+ - gem install bundler
+script:
+ - bundle install
+ - bundle exec rake spec