GNU bug report logs - #18747
"preferLocalBuild" fails to distinguish between offload and substitute

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Package: guix;

Reported by: ludo <at> gnu.org (Ludovic Courtès)

Date: Thu, 16 Oct 2014 15:27:01 UTC

Severity: normal

Done: ludo <at> gnu.org (Ludovic Courtès)

Bug is archived. No further changes may be made.

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Eelco Dolstra <eelco.dolstra <at> logicblox.com>
Cc: 18747 <at> debbugs.gnu.org, nix-dev <at> lists.science.uu.nl
Subject: bug#18747: [PATCH] Distinguish between “offloadability” and “substitutability”
Date: Wed, 01 Jul 2015 23:14:43 +0200

Eelco Dolstra <eelco.dolstra <at> logicblox.com> skribis:

> On 01/07/15 17:21, Ludovic Courtès wrote:
>
>> Nix commit 55586527 (June 2013) changed the semantics of
>> ‘preferLocalBuild’ from “avoid offloading this derivation” to “avoid
>> offloading *or substituting* this derivation” (see
>> <http://bugs.gnu.org/18747>.)
>> 
>> This patch introduces a new special key, ‘substitution’, to specify
>> whether a derivation should be substituted.  ‘preferLocalBuild’ is kept,
>> but its initial semantics is restored.
>
> Have you seen
> https://github.com/NixOS/nix/commit/b64988bb3585478676585a0f0aecbcf4e11d4432,
> which essentially does the same thing?

I hadn’t, but that’s perfect–we’re on the same page.  ;-)

Thanks!

Ludo’.
This bug report was last modified 9 years and 329 days ago.

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