[Nix-dev] Source URL breakage - please can we improve the determinism

[Kosyrev Serge]

Brad Ediger <brad.ediger at madriska.com> writes:
> We have also run into this issue with spotify and similar unfree /
> non-redistributable packages. The consensus last time we had upstream
> URLs disappear was that it is not permissible to cache and
> redistribute even the original source. 
>
> There may be a partial solution for this problem, but it will not
> solve the issue for nonfree packages. 

I think you are overy pessimistic here.

Strictly speaking, yes, it will be a 99% solution, and yet -- it will be
exactly the sought relief for the overwhelming majority of people.

The non-free upstreams are arguably significantly less relevant.

-- 
с уважениeм / respectfully,
Косырев Сергей