class Bundler::Dsl

def directory(path, options = {})
  raise DirectorySourceError, "cannot nest calls to directory or git" if @directory || @git
  @directory = DirectorySource.new(@bundle, options.merge(:location => path))
  @directory_sources << @directory
  @environment.add_priority_source(@directory)
  retval = yield if block_given?
  @directory = nil
  retval
end