guard :rspec, cmd: 'bundle exec rspec' do
  watch(%r{^spec/(.*)\/?(.*)_spec\.rb$})
  watch(%r{^lib/(.*/)?([^/]+)\.rb$})     { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
  watch(%r{^spec/spec_helper\.rb$})      { 'spec' }
end