[Haskell-cafe] Hackage suggestion: Gather the list of the licenses of all dependencies of a package

[Michael Snoyman]

I think that's a great idea. I just implemented this on PackDeps:

http://packdeps.haskellers.com/licenses

As with all features on that site, I'll be happy to deprecate it as soon as
Hackage incorporates the feature in the future.

Michael


On Thu, Dec 13, 2012 at 12:41 PM, Petr P <petr.mvd at gmail.com> wrote:

>   Dear Haskellers,
>
> following up the recent discussion about copyleft licenses, I'd suggest a
> (hopefully minor) improvement of Hackage: For each package, gather the list
> of the licenses of everything it depends on. I think this would help
> considerably people who don't want or can't use software licensed under a
> particular license (most often (L)GPL). In particular, we can have a BSD
> package that depends on a LGPL package, and this is fine for FOSS
> developers. But for a commercial developer, this can be a serious issue
> that is not apparent until one examines *every* transitive dependency.
>
> This idea is a bit vague, because a dependency is actually a range of
> packages, which in theory could have different licenses. But I suppose this
> will rarely happen in practice, so it'd be safe just to take the last
> package in the range (or maybe take all licences of the packages in the
> range).
>
>   Best regards,
>   Petr
>
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