language: ruby cache: bundler rvm: - 2.3.8 - 2.4.10 - 2.5.9 - 2.6.8 - 2.7.4 - 3.0.2 before_install: - gem install bundler install: - bundle install --jobs=3 --retry=3 - bundle exec appraisal install script: - bundle exec rake - bundle exec rake appraisal