guard :rspec, cmd: 'bundle exec rspec' do watch(%r{^spec/.+_spec\.rb$}) watch(%r{^lib/(.+)\.rb$}) { |m| "spec/lib/#{m[1]}_spec.rb" } watch('spec/spec_helper.rb') { "spec" } watch(%r{^spec/support/(.+)\.rb$}) { "spec" } end