Subject: bug#18747: [PATCH] Distinguish between “offloadability” and “substitutability”

From: Eelco Dolstra <[email-masked]>
Date: Wed, 01 Jul 2015 17:27:02 +0200

Hi,

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?

-- 
Eelco Dolstra | LogicBlox, Inc. | http://nixos.org/~eelco/