[Nix-dev] Fwd: [haskell-ng] nix-shell mass rebuild

[YCH]

---------- Forwarded message ----------
From: YCH <dontdieych at gmail.com>
Date: Wed, Apr 1, 2015 at 2:05 PM
Subject: Re: [Nix-dev] [haskell-ng] nix-shell mass rebuild
To: Peter Simons <simons at cryp.to>


On Wed, Apr 1, 2015 at 5:20 AM, Peter Simons <simons at cryp.to> wrote:
> YCH <dontdieych at gmail.com> writes:
>
>  > $ cat /etc/nix/nix.conf
>  > extra-binary-caches = http://hydra.nixos.org http://hydra.cryp.to
>
>  > Why updates are not in binary-caches?
>
> Both of these servers compile Haskell packages relative to the 'master'
> branch of Nixpkgs. The 'nixos-unstable' channel has been lagging behind
> 'master' for a while now. My guess is that these packages you'd like to
> retrieve have been garbage collected a while ago and are no longer
> available.
>
> Generally speaking, it feels a little extreme to call a rebuild of 80
> packages a "mass rebuild". I don't know what kind of hardware you're
> working on, but a modern machine should easily compile those packages
> within a couple of minutes.
>
> Best regards,
> Peter
>
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I thought if I follow unstable channel, I would always get binary
caches. And you are right. I don't mind rebuild many pkgs if there is
nothing wrong.

Thanks for reply.