[pca] exclude patch

[Martin Paul]

Hi,

> I've discovered a patch that I would like to block from being installed 
> in the future.  Whats the best way to exclude the patch?  Can this be 
> done in the config file?  Thanks a bunch!

There's the "ignore" option, which (like any other of pca's options) can 
be specified on the command line (--ignore), as an environment variable 
(PCA_IGNORE) or in a configuration file (ignore=). So you could put e.g.

   ignore=123456

into /etc/pca.conf to make the patch not show up anymore.

Martin.