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Re: SVN now the "dominant open-source version control system" :)

From: <kfogel_at_collab.net>
Date: 2005-04-18 17:23:07 CEST

François Beausoleil <fbeausoleil@ftml.net> writes:
> http://www.grafxsoftware.com/product.php/SVN_for_Dreamweaver_10/135/
> Wow, didn't know SVN was dominant ;)

Nice of them to say so :-), but it's not true yet.

A good source of statistics is http://cia.navi.cx/stats/vcs/. Here's
a chart showing its data in a more readable way:

                    today yesterday total percentage
                    ----- --------- ------ ----------
     CVS 833 1458 543760 68.860%
     Subversion 249 443 86215 10.918%
     BitKeeper 119 17 44179 5.595%
     Arch 3 13 778 0.099%
     monotone 20 5 96 0.012%
     Darcs 16 0.002%
     Other 65 90 114616 14.515%

Jack Repenning points out that the "Other" category is probably an
artifact of some projects still using an old CIA format, one which
doesn't capture the version control system. That's implied by this
note on the page:

   "Note that this can't detect the system in use on most projects
    still using non-XML commit messages."

So for the most part, "Other" doesn't represent actual other version
control systems. It just represents the usual suspects, but the exact
breakdown is unavailable. Probably the percentages within "Other" are
roughly the same as the percentages in the known portion of the chart.

To see CIA in action, join irc.freenode.net, channel #commits, and
watch the commits fly by. I do that sometimes, just to get a sense of
which projects are using Subversion (they're easily recognizeable
because their commit messages always start with a revision number of
the form "rNNNNN", where the Ns are digits, e.g., "r1729").

Note that this only counts the 450 or so open source projects that
have installed CIA. Who knows what's going on behind corporate
firewalls? Probably people are starting to put Subversion in their
morning coffee, for added energy in meetings.


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Received on Mon Apr 18 17:54:12 2005

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