circle.yml

dependencies:
  override:
    - ? |
        case $CIRCLE_NODE_INDEX in
          0) rvm-exec 2.0.0-p645 bundle install ;;
          1) rvm-exec 2.1.10 bundle install ;;
          2) rvm-exec 2.2.7 bundle install ;;
          3) rvm-exec 2.3.4 bundle install ;;
          4) rvm-exec 2.4.1 bundle install ;;
        esac
      :
        parallel: true

test:
  override:
    - ? |
        case $CIRCLE_NODE_INDEX in
          4) rvm-exec 2.4.1 bundle exec rubocop ;;
        esac
      :
        parallel: true
    - ? |
        case $CIRCLE_NODE_INDEX in
          0) rvm-exec 2.0.0-p645 bundle exec rake ;;
          1) rvm-exec 2.1.10 bundle exec rake ;;
          2) rvm-exec 2.2.7 bundle exec rake ;;
          3) rvm-exec 2.3.4 bundle exec rake ;;
          4) rvm-exec 2.4.1 bundle exec rake ;;
        esac
      :
        parallel: true