[Rd] pointers on including SVN revision number in package info?

From: Ben Bolker <bbolker_at_gmail.com>
Date: Fri, 06 Jan 2012 15:24:53 -0500

  I'm trying to keep debugging of a development package relatively sane.

  I see that some packages manage to incorporate what appears to be Subversion (SVN) revision information in the package description; for example,

> library(MASS)
> sessionInfo()$otherPkgs$MASS$Revision
[1] "$Rev: 3016 $"

  which looks like an auto-generated revision number.

  On the other hand, the rgl package (for example) appears to manually encode the SVN revision in the package number:

> library(rgl)
> sessionInfo()$otherPkgs$rgl$Version

[1] "0.92.829"

  I'd love an automatic strategy, if possible, so I can be lazy about updating the DESCRIPTION file every time I commit a change to SVN ... I searched the R extensions manual (and the r-forge manual), but I'm sure I could have missed something ...

  Or can people suggest other useful strategies for keeping track of which development (micro-)version a random user might be working with?

 thanks,
  Ben Bolker



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