We'll respond shortly.
Chris Bailey wrote a GitHub post receive hook for Tracker, using the API. It’s a web service that you run on your own server, and it automatically updates stories in your project(s) based on commit comments. Check out his blog post here. Thanks for spending your Thanksgiving on this, Chris.
Let us know if you find this useful, we’re definitely interested in making integration with other apps easier, and would love specific ideas and suggestions.