[PATCH 02 of 14] cache: introduce a changelogsourcebase class

[Boris Feld]

On Sun, 2017-07-09 at 19:52 +0200, Boris Feld wrote:
> # HG changeset patch
> # User Boris Feld <boris.feld at octobus.net>
> # Date 1499458552 -7200
> #      Fri Jul 07 22:15:52 2017 +0200
> # Node ID 8b71290526ddb77f157e075191dd748793d85601
> # Parent  6edb62505c697329de034c2fdc47befd5896f31f
> # EXP-Topic obs-cache
> cache: introduce a changelogsourcebase class
> 
Sorry, my battery has discharged while sending the series.