zimoun <zimon.toutoune@gmail.com> writes:

> Well, the questions are:
>  - hash?
>  - a copy on Berlin as substitute?

What are the questions exactly?  I don't understand what you are asking.

> I am just taking the occasion to discussion the hypothetical
> possibility to discuss if 'copy-build-system' could be way to
> distribute such data set.
>
> Other said, the 'copy-build-system' could:
>
>  - fetch the data from an archive, such http://data.astrometry.net
>  - fetch the resulting <hash> of /gnu/store/<hash>-name-version from susbtitutes

Hmmm, maybe you are asking for something else, because the
copy-build-system, as a build system, has nothing to do with the fetcher
which is responsible for fetching the data over the network.

Did I misunderstand?

-- 
Pierre Neidhardt
https://ambrevar.xyz/