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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Overlays
Date: Fri, 30 Aug 2013 23:21:31 +0200
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To: Nikita Karetnikov <nikita@karetnikov.org>
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Nikita Karetnikov <nikita@karetnikov.org> skribis:

>> So I think Guix nearly supports overlays, no?  :-)
>
> What do NixOS people mean by =E2=80=9Coverlay=E2=80=9D?

Well, I don=E2=80=99t think that wiki page has much authority.  ;-)

=E2=80=9COverlay=E2=80=9D is not a term that is used in NixOS circles.  My =
guess is that
the Ruby and Haskell overlays mentioned at
<http://nixos.org/wiki/Nix(OS)_related_repositories_and_work> are used
by a single person, and I=E2=80=99m not sure what they do.

> Is it a remote collection of recipes?  Does NixOS allow to use them
> without copying to the local storage (like =E2=80=98gnu/packages=E2=80=99=
)?
>
> I believe that the question was about these issues.

I=E2=80=99m not sure what the issues are.

In Guix, third parties could distribute their own Guile modules that
define packages.  Guix would need a way to nicely deal with them at the
command line, but otherwise it=E2=80=99s just Guile modules.

Ludo=E2=80=99.