rvm: - 1.8.7 - 1.9.2 - 1.9.3 - 2.0.0 branches: only: - master gemfile: - gemfiles/rails30.gemfile - gemfiles/rails31.gemfile - gemfiles/rails32.gemfile - gemfiles/rails40.gemfile matrix: exclude: - rvm: 1.8.7 gemfile: gemfiles/rails4.gemfile - rvm: 1.9.2 gemfile: gemfiles/rails4.gemfile