[Nix-dev] environment.allowedLicenses ?

[Nathan Bijnens]

I also prefer the current approach of meta.license =
stdenv.lib.licenses.unfree, in some companies it's not always allowed to
use some 'viral' licenses (the opposite case of license.unfree).

N.

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On Mon, Jan 26, 2015 at 2:19 PM, Matthias Beyer <mail at beyermatthias.de>
wrote:

> On 26-01-2015 14:00:10, Eelco Dolstra wrote:
> > Hm, I have the impression the license checking code is becoming pretty
> heavy at
> > this point. For instance, what (realistically) is the use case for
> whitelisting?
>
> Whitelisting a non-free license.
>
> > Even a basic NixOS system configuration probably has dozens of (free)
> licenses,
> > and I can't imagine users going to the trouble of specifying them all.
> Also note
> > that all this license checking is on the mkDerivation critical path, so
> anything
> > we do there slows down "nix-env -qa".
>
> Of course things have to be optimized here.
> >
> > I actually think we should *remove* meta.license entirely (because it
> doesn't
> > provide useful info to users and tends to be wrong or incomplete
> anyway), and
> > replace it with attributes that have operational meaning:
>
> I'm heavily against this. Having the license in the package
> information is (IMHO) the right way to do this.
>
> Removing the license of a package is removing information about the
> package, which I do not consider a good idea at all. You could remove
> the maintainer and version, too, if you remove the license.
>
> --
> Mit freundlichen Grüßen,
> Kind regards,
> Matthias Beyer
>
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