[Nix-dev] [Help] Accidentally removed configuration.nix

[Ryan Trinkle]

Layus,

That does sound fantastic!  Do you think that PR has a reasonable chance of
landing in the near future?


Ryan

On Thu, Apr 6, 2017 at 12:12 PM, Guillaume Maudoux (Layus) <
layus.on at gmail.com> wrote:

> Hi,
>
> system.copySystemConfiguration is far from perfect. As soon as you
> modularize your config, you will miss all the other files.
>
> If you want a correct system.copySystemConfiguration, you really need
> https://github.com/NixOS/nix/pull/709.
> It allows you to snapshot all the sources of a nix derivation, not just
> one file.
>
> I tested it back then, and it worked pretty well.
>
> -- Layus.
>
> On 06/04/17 17:46, nixos at vince.lol wrote:
>
> No I don't have `system.copySystemConfiguration=true` set :-(
> Luckily I documented my recent efforts in some gists.
> I managed to install NixOS on ZFS here: https://gist.github.com/
> awesomefireduck/c763e168a62a0ef559a1fb9473261459
> And my (yet untested) attempt at PCI passthrough here:
> https://gist.github.com/awesomefireduck/1be07805081a4d7a51c527e452b87b26
> There is still some missing, but nothing I can't handle, I guess.
> This is a great time to enable my ZFS snapshots... :-/
>
> Does anyone know why `system.copySystemConfiguration` is set to false by
> default? It seems like it would be better to default this to true, right?
> Or at least have this listed in the generated config?
> (`nixos-generate-config`)
>
> Anyway, I'll be okay, thanks folks!!
>
> Sincerely,
> Vince
>
> On Thursday, April 6, 2017 4:58 PM, Sergiu Ivanov <sivanov at colimite.fr>
> <sivanov at colimite.fr> wrote:
>
>
>
> Hi Vince,
>
> Thus quoth  nixos at vince.lol  at 14:12 on Thu, Apr 06 2017:
>
>
> I acidentally removed my /etc/nixos/configuration.nix is there any way
> I can get it back?
>
>
> Citing directly from:
>
>  http://stackoverflow.com/questions/28603773/recover-accidentally-deleted-
> configuration-nix-file
>
>  '''
>  system.copySystemConfiguration
>
>  If enabled, copies the NixOS configuration file $NIXOS_CONFIG (usually
>  /etc/nixos/configuration.nix) to the system store path.
>
>  Type:"boolean"
>
>  Default:false
>
>  Declared by:  <nixpkgs/nixos/modules/system/activation/top-level.nix>
>  '''
>
> Do you happen to have this option set to true?
>
>
> /me goes and sets it to true on his system
>
> --
> Sergiu
>
>
>
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