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