On Sun, Sep 04, 2016 at 07:37:21PM +0200, John Darrington wrote:
> On Sun, Sep 04, 2016 at 12:02:49PM -0400, Mark H Weaver wrote:
>      John Darrington <jmd@gnu.org> writes:
>      > * gnu/packages/version-control.scm (git): Update to 2.10.0.
>      
>      This update seems to have broken 'cgit' and maybe also 'ruby-puma'.
>      
>        https://hydra.gnu.org/eval/109142#tabs-now-fail
>      
> 
> Well so far as I can see, cgit is directly accessing the private interface
> of git.  So unless we revert, or maintain two version of git concurrently,
> I don't see a solution.

Relevant upstream discussion:
https://lists.zx2c4.com/pipermail/cgit/2016-August/003243.html