Dynamically updating a qt application

[dvmorris]

Is there an easy way to make a qt application updateable? I would love to have a button that says, "check for updates" and then have it be able to download the latest version, install over the previous version and relaunch it.

[gri]

Where's the problem? You have to download the new exe of your program to a temporary filename, launch another tool which renames your two files and starts the new one.
You can't overwrite a running program!

[dvmorris]

I was just wondering if there is some special way to integrate with sourceforge or google code or whereever a project's code might be hosted, so updating and issue tracking or bug reporting can be streamlined.