master/Guardfile

guard 'rspec', :version => 2, :keep_failed => false, :cli => '-f doc' do
  watch(%r{^spec/.+_spec\.rb$})
  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/#{m[1]}_spec.rb" }
  watch('spec/spec_helper.rb')  { "spec" }
end

# require 'guard/guard'
#
# module ::Guard
#   class Breaking < ::Guard::Guard
#     def run_all
#       raise "Fool !"
#     end
#   end
# end
#
# group "exceptional" do
#   guard :breaking
# end