[Rd] CVS snapshots on CRAN

Wed, 14 Nov 2001 12:21:04 +0100

As there have been no negative reactions to my question last week
CRAN no longer mirrors the daily snapshots of the R sources. Archives
of the official releases are of course still available at every CRAN
node.

All answers I got (thanks to all respondents) had basically the same
content: It is important that the snapshot are available somewhere (to
which I wholeheartedly agree), but it is not important that every
single CRAN node carries them. In fact, it makes only limited sense to
propagate archives that change on a daily basis through a network of
mirror sites. When a snapshot reaches one of the final nodes in the
mirroring process, there are already 2 newer versions available at the
orginal sites ...

Snapshots of the R sources (copy of the current CVS tree) can from now
on be obtained from two sources:

*) Anonymous rsync from rsync.rproject.org. This is probably the best
   option if you want to track the R sources on a regular basis,
   because it allows to update a copy of the CVS tree downloading only
   differences since your last checkout. See http://www.rsync.org for
   more information on rsync. If rsync is installed on your system
   then

	rsync rsync.r-project.org::

   gives you a list of available modules, currently including:
   r-release      R-1.3.1 sources (current released version - approx 25 MB)
   r-patched      R sources (patched released version - approx 25 MB)
   r-devel        R sources (devel version, less stable - approx 25 MB)
   r-ng           R sources (next generation - unstable - approx 25 MB)

   Note that rsync connections can be compressed, such that the actual
   number of megabytes transferred is approximately the same as
   downloading a gzipped tar file.

*) The usual gzipped and bzipped tar files continue to be available by
    anonymous FTP from ftp://ftp.stat.math.ethz.ch/Software/R</a>.

Best,
Fritz

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                        Friedrich  Leisch 
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