cvs -d:pserver:
cvs -z3 -d:pserver:
Please know that this version is NOT backward compatible and must be used with the actual CVS version of the upcoming Mambo 4.6 (information for Mambo CVS access: here). You can choose whether to install from directory or pack all files into a zip and upload using the Elements Installer.
Since this is a developer version you could be faced by some errors. If you do so, please report any issues here...