How identify and remove leftover files on buildbots?

[Ryan Schmidt]

On Nov 2, 2014, at 4:53 PM, Marko Käning wrote:
> On 02 Nov 2014, at 23:48 , Ryan Schmidt wrote:
>> Well the R port does install files in that directory, for example.
> 
> But they should get removed on uninstall, or not?

Well that's true.

So what is the situation here? There is a port "rkward"... Is that the port that previously incorrectly installed these files? And what's changing now? Are these files now going to be provided by the R port and the rkward port retired?