Guardfile

group :red_green_refactor do
  guard :rspec, cmd: 'bundle exec rspec', failed_mode: :focus 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/integration/(.+)\.rb$})

    # Rails example
    watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
    watch(%r{^app/(.*)(\.erb|\.haml|\.slim)$})          { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
    watch(%r{^app/controllers/(.+)_(controller)\.rb$})  { |m| ["spec/routing/#{m[1]}_routing_spec.rb", "spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb", "spec/acceptance/#{m[1]}_spec.rb"] }
    watch(%r{^spec/support/(.+)\.rb$})                  { 'spec' }
    watch('config/routes.rb')                           { 'spec/routing' }
    watch('app/controllers/application_controller.rb')  { 'spec/controllers' }
  end

  guard :rubocop, all_on_start: false do
    watch(%r{^app/(.+)\.rb$})
    watch(%r{^spec/(.+)\.rb$})
    watch(%r{^config/(.+)\.rb$})
    watch(%r{^lib/(.+)\.rb$})
    watch(%r{^db/(.+)\.rb$})
    watch(%r{(?:.+/)?\.rubocop\.yml$}) { |m| File.dirname(m[0]) }
  end
end