[BioC] Accessing old versions of bioc packages

[Wolfgang Huber]

Hi Julian

the transformation from a package directory checked out from subversion with a previous revision number into a source package is pretty straightforward. It might be nice to have a more comfortable system available, but given the resources available, it is well possible that other construction sites are more important.

Since R is not a comprehensive operating system, and relies on many facilities of the host system, I am also not sure whether the idea of reproducing someone's result from their recorded output of sessionInfo in an automated manner is ultimately not a chimera (other opinions welcome :). Eventually, for that purpose you'll have to used the saved virtual machine, as e.g. these guys have done: http://scofield.bx.psu.edu/~dannon/encodevm
(Of course, the output of sessionInfo is still extremely valuable for many other reasons.)

	Best  wishes
	Wolfgang



On May 14, 2013, at 12:09 am, Julian Gehring <julian.gehring at gmail.com> wrote:

> Hi Dan,
> 
>> No, the binaries are not kept.
> 
> Would it be feasible to keep them?
> 
> I'm thinking of cases in which I want to reproduce the results of someone else.  CRAN stores all versions of older packages in its archive.  However, for bioc I would have build packages manually in case they have been modified later in the same release cycle.
> 
> Best wishes
> Julian
> 
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