VCS popularity

> openhub.net (formerly ohloh.net) has an interesting comparison of the
> number of public repositories on the net, based on searches of popular
> hosting services. This comparison is available at
> <https://www.openhub.net/repositories/compare> and shows an estimated
> market share between Bazaar, CVS, Git, Mercurial and Subversion.
>
> I've been monitoring this since 2014-08-05 to see how things were
> developing, and it's a good indication of the popularity of the various
> version control systems.
>
> I've created a repository at
> <https://github.com/sunny256/openhub-repositories> where the project
> scripts and data files are stored, along with graphs in SVG format.
>
> 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.
>
> https://github.com/sunny256/openhub-repositories/blob/master/graph/relative-zoom.svg
>  Zoomed-in version of relative.svg. Git goes through the ceiling.
>
> https://github.com/sunny256/openhub-repositories/blob/master/graph/repos.svg
>  Total number of repositories.

> On Tue, 31 Mar 2015, Øyvind A. Holm wrote:
> > openhub.net (formerly ohloh.net) has an interesting comparison of
> > the number of public repositories on the net, based on searches of
> > popular hosting services. This comparison is available at
> > <https://www.openhub.net/repositories/compare> and shows an
> > estimated market share between Bazaar, CVS, Git, Mercurial and
> > Subversion.
> >
> > I've been monitoring this since 2014-08-05 to see how things were
> > developing, and it's a good indication of the popularity of the
> > various version control systems.
>
> number of repositories is an interesting datapoint, but activity in
> the repos would be far more interesting. There are a lot of repos of
> various types out there that haven't been touched for years.

> On 1 April 2015 at 00:03, David Lang <david@lang.hm> wrote:
> > On Tue, 31 Mar 2015, Øyvind A. Holm wrote:
> > > openhub.net (formerly ohloh.net) has an interesting comparison of
> > > the number of public repositories on the net, based on searches of
> > > popular hosting services. This comparison is available at
> > > <https://www.openhub.net/repositories/compare> and shows an
> > > estimated market share between Bazaar, CVS, Git, Mercurial and
> > > Subversion.
> > >
> > > I've been monitoring this since 2014-08-05 to see how things were
> > > developing, and it's a good indication of the popularity of the
> > > various version control systems.
> >
> > number of repositories is an interesting datapoint, but activity in
> > the repos would be far more interesting. There are a lot of repos of
> > various types out there that haven't been touched for years.
> 
> I do agree on that. Many repositories won't be deleted if they are
> converted to other VC systems to avoid breaking links and so on. What I
> found pretty interesting is the relative growth between the various
> systems. That's why I created the graphs that show creation of new
> repositories since August 2014 instead, for example
> 
> https://github.com/sunny256/openhub-repositories/blob/master/graph/relative-zoom.svg

> 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?

> 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.