language: ruby

rvm:
  - 1.9.2
  - 1.9.3
  - ruby-head

gemfile:
  - Gemfile
  - gemfiles/Rails_3_1.gemfile
  - gemfiles/Rails_3_2.gemfile
  - gemfiles/Rails_master.gemfile

branches:
  only:
    - master

matrix:
  exclude:
    - rvm: 1.9.2
      gemfile: gemfiles/Rails_master.gemfile