language: ruby

rvm:
  - 2.4.6
  - 2.5.5
  - 2.6.5
  - 2.7.0

gemfile:
  - gemfiles/activerecord_4.gemfile
  - gemfiles/activerecord_5.1.gemfile
  - gemfiles/activerecord_5.2.gemfile
  - gemfiles/activerecord_6.0.gemfile

before_install: gem install bundler -v 2.1.2

jobs:
  exclude:
    - rvm: 2.4.6
      gemfile: gemfiles/activerecord_6.0.gemfile
    - rvm: 2.7.0
      gemfile: gemfiles/activerecord_4.gemfile