[pca] Expected behavior when specifying a patch when required packages are not installed.

[Martin Paul]

Jeff,

> Thanks for the info Martin.  Just so I make sure I have it straight, if I
> specify a specific patch to install, not a specific revision of a patch,
> then PCA assumes I know the package dependencies and will take action to
> resolve any other patch dependencies, correct?

Right. "pca -i 123456" will list/download/install the newest revision of 
that patch plus all other required patches which are not installed.

When using "pca -i 123456-78", pca assumes you want exactly that patch 
and nothing else. No dependecy checks will be done.

Martin.