[Nix-dev] Re: restricted downloads

[Ludovic Courtès]

Hi,

"Yury G. Kudryashov" <urkud+nix at ya.ru> writes:

> Ludovic Courtès wrote:
>
>> Hi Yury,
>> 
>>> When a user will try to build this package, fetchurl will show message
>>> like "go to ${url}, download ${name} and add it using nix-store
>>> --add-fixed sha256".
>> 
>> What’s the rationale?
> Some files cannot be fetched automatically. For example, sometimes user must 
> sign license agreement online before downloading file (e.g. old sun-jre, 
> pkgs.wtk), or even buy non-free CD/DVD (games etc.).
> Using "restricted = true;" feature, we can write .nix packages for these 
> non-free programs.

OK, thanks for explaining.

For the time being, I can safely assume that any package using this
feature is non-free, right?

Thanks,
Ludo’.