No, I don't believe you can do this with CVS at all. We'd need something like SVN/WebDAV to be able to grant write access just to specific parts of the tree to different people.
You just use an on-commit script like cvsacl. ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match