[Nix-dev] How to use .nixpkgs/config.nix?

[Kamil Chmielewski]

Did you see nix pills by Lehtalman
http://lethalman.blogspot.it/2014/07/nix-pill-1-why-you-should-give-it-try.html
?

--
Kamil

2016-06-06 21:19 GMT+02:00 Mateusz Czaplinski <czapkofan at gmail.com>:

> On Mon, Jun 6, 2016 at 11:30 AM, Kamil Chmielewski <kamil.chm at gmail.com>
> wrote:
> > The '_pkgs : with _pkgs; {' part comes from
> > https://nixos.org/wiki/Howto_keep_multiple_packages_up_to_date_at_once.
>
> Yes, I've noticed. I know it works, and I'm very grateful to you for
> publicizing your solution in one of the "declarative user config"
> issues, so that I could adopt it. But I'd like to understand what it
> does and how it works. I've seen packageOverrides written in this way,
> as will as in other ways (e.g. the Nix manual uses 'rec' and doesn't
> use 'with'). I'd like to understand what's going on here, why is it
> needed, why sometimes one form sometimes other, and how and when to
> use one or the other. I tried to explore it with the manuals in hand,
> but to no success. So I thought maybe someone could help me with this?
>
> As to other perceived complications (esp. 'buildEnv'), I seem to have
> worked through them already,
>
> Thanks,
> /Mateusz.
>
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