is a program written to sit in front of cvs.
It provides an administrator with fine grained access over cvs repositories.
On startup it determines the CVSROOT environment variable by way of command
line options, environment or by parsing the pserver command stream.
It then reads a config file
to determine the which wrapper to execute.
If the CVSROOT is not set or can not be determined then
will be executed normally.
Typical usage for
is to use it to invoke a custom wrapper which may be setgid to
a special group in order to enforce ACLs over