files listed in the CVSIGNORE environment variable (all cvsignore names
are delimited by whitespace).
-Note that these cvs-exclude rules are inserted into the the user's list
-of excludes at the point the -C/--cvs-excludes option is mentioned, so
-any other include/exclude rules that precede the option override these
-rules, and any options that are specified afterwards are overridden by
-these rules.
-
Finally, any file is ignored if it is in the same directory as a
.cvsignore file and matches one of the patterns listed therein.
There is not currently a way to override an exclude rule read from