To try out knife-wsfusion with this demo repository, first follow the installation instructions listed on the knife-wsfusion page.
Once that's done, set up a 64-bit Ubuntu 12.04 VM, and configure a
vmware user with sudo permissions. Set the password for that user
to vmware123.
This setup assumes that VM will live in
$HOME/Documents/Virtual Machines.localized/Chef Ubuntu Template.vmwarevm.
You'll probably want to edit run-demo.sh and change that path.
Then, run:
$ ./run-demo.sh
Cross your fingers.