Are there any command line parameters/switches for updating a project from the Asset Server? (for our scripted build system)
Not at the moment. But we plan to add support for it.
While you are at it, can you also add merging of .unity files? 
Are there any command line parameters/switches for updating a project from the Asset Server? (for our scripted build system)
Not at the moment. But we plan to add support for it.
While you are at it, can you also add merging of .unity files?