module Roda::RodaPlugins::Base::RequestMethods

def path

# => '/foo/bar'
r.path
r.env['PATH_INFO'] = '/bar'
r.env['SCRIPT_NAME'] = '/foo'

This an an optimized version of Rack::Request#path. 
def path
  e = @env
  "#{e["SCRIPT_NAME"]}#{e["PATH_INFO"]}"
end