CouchDB update function to collect data from the github POST hook

new.js

/*
  see http://wiki.apache.org/couchdb/Document_Update_Handlers
  in a couchapp this would be updates/new.js or something

  you then setup githubs POST hook to this update function, something like:
  http://hostname.example.net/database/_design/github/_update/new
  see http://help.github.com/post-receive-hooks/
*/
function (_doc, req) {
   if (req.method !== 'POST') {
      return [null, 'only POST allowed']
   }
   if (!req.form && !req.form.payload) {
      return [null, 'you must POST something']
   }
   var doc = JSON.parse(req.form.payload);
   doc._id = req.uuid;
   return [doc, 'ok'];
}