Re: VCS popularity

From: David Lang <david@lang.hm>
Date: Mar 31, 2015, 23:18 UTC
Message-ID: <alpine.DEB.2.02.1503311615430.26359@nftneq.ynat.uz>
In-Reply-To: <CAA787rnbZGv_5rmVK1MLmCMLx9vpubW87hM4XK8U65i7FDZAiA@mail.gmail.com>

On Wed, 1 Apr 2015, Øyvind A. Holm wrote:

Show 24 quoted lines

> On 1 April 2015 at 00:20, Junio C Hamano <gitster@pobox.com> wrote:
>> Øyvind A. Holm <sunny@sunbase.org> writes:
>>> The graphs are pretty interesting:
>>>
>>> https://github.com/sunny256/openhub-repositories/blob/master/graph/relative.svg
>>>   Graphs of relative growth between the various version control systems.
>>
>> This plots us at a bit over 8000.
>>
>> What does this number mean, exactly?  Since 2014-08-01, the number of Git
>> repositories Ohloh knows about has grown 8000-fold?  Or is it just 80-fold
>> (8000%) growth?  Or 8000 more repositories were created?
>
> Yes, relative.svg and relative-zoom.svg show the number of new repositories
> found by Open Hub. To be specific, these are the numbers:
>
> Bazaar: 75
> CVS: 59
> Git: 8230
> Mercurial: 215
> Subversion: 607
>
> These numbers can of course be discussed, but as a source, I believe Open Hub
> should be one of the more objective ones.

How many of these 8230 git repositories are duplicates of each other on github (to pick a specific example).

the distributed nature of DVCS systems is going to inflate their count vs non-distributed VCS systems where there is only one copy.

I believe that Git encourages making personal copies public more than Mercurial does (with github being the extreme case)

David Lang