[cvsnt] administrative file for cvs add

[Tony Hoyle]

Bo Berglund wrote:
> Use the precommand script and examine the arguments.
> If you exit prtecommand with a non-zero exit code CVSNT will abort the
> operation.
> You can even print a message to standard out and it will be visible for
> the user why the command failed.
> See in the CVSNT helpfile (search for precommand).
> 
Note that because of the way 'add' works with directories, it creates 
administrative files before contacting the server - so failing a 
directory add is not recommended.

Tony