[Nix-dev] mkDefault behaviour

[Joel Moberg]

Sorry this had nothing to do with mkDefault. But I would still like to know
why this is happening and why I need to build extra packages.

On Fri, Jun 26, 2015 at 8:22 PM, Joel Moberg <joel.moberg at gmail.com> wrote:

> Hi all
>
> I have a question about this expression, also here (
> https://gist.github.com/b56994f7da885d0e7101):
> ```
> (import <nixpkgs/nixos/lib/eval-config.nix> {
>       system = builtins.currentSystem;
>       modules =
>         [ <nixpkgs/nixos/modules/virtualisation/virtualbox-image.nix>
>           <nixos/modules/profiles/minimal.nix>
>         ];
>   }).config.system.build.virtualBoxOVA
> ```
>
> Alot happens when I enable the minimal profile. A new qt, virtualbox etc
> needs to be built that isn't in cache from hydra. See here for a difference
> between the two (https://gist.github.com/6797a0833569eab1ca7c).
>
> Something happens in the mkDefault call, I have looked at it but I can't
> understand this behaviour. Is there a solution to this so I don't need to
> build these heavy packages if I want to enable the minimal profile?
>
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