From mboxrd@z Thu Jan  1 00:00:00 1970
From: Brice Waegeneire <brice@waegenei.re>
Subject: Re: 01/02: services: Allow modprobe to use "/etc/modprobe.d".
Date: Wed, 08 Apr 2020 14:03:08 +0000
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To: Bengt Richter <bokr@bokr.com>
Cc: guix-devel@gnu.org, Guix-devel <guix-devel-bounces+brice+lists=waegenei.re@gnu.org>

Hello Bengt,

On 2020-04-06 09:29, Bengt Richter wrote:
> On +2020-04-06 07:54:47 +0000, Brice Waegeneire wrote:
>> What's the issue with using /etc/modrpobe.d?
> 
> I would think the fundamental issue is pure vs impure dependencies:
> i.e., /gnu/... vs /var/guix vs /elsewhere/...
> 
> IIUC, the consequence of using /etc/... or ~/... or other non-/gnu/...
> is that if you want to run something in a container with chrooted root,
> you have to cow-fake /etc and all the rest of non-/gnu/... environment,
> so your executable is not as generally usable as possible if
> nuisance adjustments were not necessary.
> 
> People who might want to use it anyway have to think about a bunch
> of stuff not relevant to what they actually want to do -- they
> will wind up debugging functionally-irrelevant implementation stuff.
> 
> Maybe I misunderstand, but are you and Ludo on the same page
> re the fundamental concept of guix and how it plays in various 
> contexts?
> (allowing for "practicality beats purity"[1] when absolutely necessary 
> ;-)

Yes, only the reason why to do it was eluding me. I'll keep in mind your 
rule
thumb.

- Brice