Originally Posted By: peter
There was a Linux-based upgrader, Upgclient; it was released in the binary (i386) releases of Emptool. For some reason, most likely an oversight, source releases of Emptool didn't contain the source of it. And then the binary releases must have have gone missing when the support pages were rejigged.

Aha: http://empeg.com/v3alpha/GPL-LGPL-compliance/empegcar-v3.00-alpha1.i386-linux.tar.gz

Yes, it's the release from v3 alpha 1, but none of that stuff had changed for ages. Unpack it and look at upgclient (or upgclient.static) and the README.

Peter