Wanted: Rails-based, Open Source pastebot (resend)

Josh Goebel's Pastie is very handy, but it's proprietary.
This means that I can't hack on it, install a local copy,
etc. So, I'm looking around for an Open Source pastebot.
I've found a few:

  http://common-lisp.net/project/lisppaste/
  http://paste.lisp.org/
  http://sourceforge.net/projects/pasteme/
  http://search.cpan.org/~rcaputo/Bot-Pastebot-0.51/pastebot

but none that are written in Rails. Suggestions?

-r