On 06/01/2012 20:24, Ben Bolker wrote:

   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 ...

The Subversion book?  The MASS/DESCRIPTION file has

gannet% svn proplist DESCRIPTION
Properties on 'DESCRIPTION':
  svn:keywords

Note this only tracks the version when DESCRIPTION is changed, not what anything else is updated. But then I change the DESCRIPTION file immediately before release.

   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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--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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