Re: Why unrelated package trigger rebuild?

[zimoun <zimon.toutoune@gmail.com>]

Hi,

For the interested reader, a quick cross-reference.


On Fri, 09 Oct 2020 at 03:35, zimoun <zimon.toutoune@gmail.com> wrote:

> From the Data Service:
>
> <https://data.guix.gnu.org/repository/1/branch/master/package/ghc-haddock/output-history>
>
> the commit 39222080911eaf3d7f74effe4467c1a04464aef3 which is about the
> addition of the package ’dkgpg’ modifies the hash of the package
> ’ghc-haddock’ from:
>
>   /gnu/store/s7s3ksfhkdbb6k6si8bjnxy8vvywv322-ghc-haddock-2.22.0
>
> to:
>
>   /gnu/store/j5llszq1cf12qn79bvhc042wc06ibfix-ghc-haddock-2.22.0
>
> Well, I miss why the addition of one package changes the hash of another
> unrelated one?  Is it expected?

The correct answer is because the Data Service deals with “state”
message of the mailing list guix-commits.  Where “state” means bunch of
commits pushed in a row.  Therefore, somehow it is expected.  However,
is it the behaviour we want is another question? :-)


Explanations are here:

   <https://yhetil.org/guix-devel/863617oe1h.fsf@gmail.com>

and chat on IRC starting here:

    <http://logs.guix.gnu.org/guix/2020-11-17.log#224837>


All the best,
simon