gistfile1.txt

// My code

  editPlace: function(url, fun) {
    var self = this;
    var rev = this.dataStore.revisionId;
    return new Promise(function(resolve) {
      self.dataStore.get(url).then(function(place) {
        fun(place, function(newPlace) {
          console.log('ATTEMPTING TO SAVE', self.dataStore.revisionId, rev);
          if (self.dataStore.revisionId !== rev) {
            console.log('DENIED');
            return self.editPlace(url, fun);
          }
          self.dataStore.put(newPlace, url, rev).then(function() {
            console.log('I SAVED', self.dataStore.revisionId);
            console.log(JSON.stringify(newPlace));
            resolve();
          });
        });
      });
    });
  },

// My log

[marionette log] SAVING VISIT
[marionette log] UPDATING VISIT
[marionette log] ATTEMPTING TO SAVE {70d7bd91-b3ca-ef46-bc63-89bdf1a8baa1} {70d7bd91-b3ca-ef46-bc63-89bdf1a8baa1}
[marionette log] SAVING ICON
[marionette log] SAVING TITLE
[marionette log] I SAVED {73851e0b-bad3-7c46-8ad1-4000b20df007}
[marionette log] {"url":"http://localhost:49873/favicon.html","title":"http://localhost:49873/favicon.html","frecency":1}
[marionette log] UPDATING ICON
[marionette log] ATTEMPTING TO SAVE {73851e0b-bad3-7c46-8ad1-4000b20df007} {70d7bd91-b3ca-ef46-bc63-89bdf1a8baa1}
[marionette log] DENIED
[marionette log] UPDATING TITLE
[marionette log] ATTEMPTING TO SAVE {73851e0b-bad3-7c46-8ad1-4000b20df007} {70d7bd91-b3ca-ef46-bc63-89bdf1a8baa1}
[marionette log] DENIED
[marionette log] UPDATING ICON
[marionette log] ATTEMPTING TO SAVE {73851e0b-bad3-7c46-8ad1-4000b20df007} {73851e0b-bad3-7c46-8ad1-4000b20df007}
[marionette log] UPDATING TITLE
[marionette log] ATTEMPTING TO SAVE {73851e0b-bad3-7c46-8ad1-4000b20df007} {73851e0b-bad3-7c46-8ad1-4000b20df007}
[marionette log] I SAVED {cb6483fe-20d5-9744-afd9-64eb27be2c5e}
[marionette log] {"url":"http://localhost:49873/favicon.html","title":"http://localhost:49873/favicon.html","frecency":1,"iconUri":"data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"}
[marionette log] I SAVED {61f6e888-7734-2445-9e24-a04f0dff1b10}
[marionette log] {"url":"http://localhost:49873/favicon.html","title":"Sample page","frecency":1}