guard 'rspec', :rvm => ['1.9.3@feedzirra', 'rbx-head@feedzirra'] do
  watch(%r{^spec/.+_spec\.rb$})
  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/#{m[1]}_spec.rb" }
  watch('spec/spec_helper.rb')  { "spec" }
end