rewind_to

# File lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/log.rb, line 102
      def rewind_to(graph, tag)
        loop do
          action = pop!(graph)
          raise "No tag #{tag.inspect} found" unless action
          break if action.class.action_name == :tag && action.tag == tag
        end
      end