Omaha - which is the automatic update framework that Google Chrome uses -
is open sourced:

https://code.google.com/p/omaha/

It might be a bit heavyweight for just one package though.

Will

On 9 July 2013 13:04, Mike Hearn <mike@plan99.net> wrote:

> For the auto update, is there an existing auto update framework that we
> can modify to support threshold signed updates? I'm sure such a thing must
> exist. The updates would download in the background and then the app can
> just ask the user to restart it once the update is locally available, as
> Chrome does.
>