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

[Layus]

Yes, it's a fantastic idea that, like too many others, has a working 
implementation bitrotting in a PR.

But I have an idea to end this ;-). Coming soon :-D.

G.

On 06/04/17 20:54, Ryan Trinkle wrote:
> 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 <mailto: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
>     <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 <mailto: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
>>     <https://gist.github.com/awesomefireduck/c763e168a62a0ef559a1fb9473261459>
>>
>>     And my (yet untested) attempt at PCI passthrough here:
>>     https://gist.github.com/awesomefireduck/1be07805081a4d7a51c527e452b87b26
>>     <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> <mailto:sivanov at colimite.fr> wrote:
>>>
>>>     Hi Vince,
>>>
>>>     Thus quoth nixos at vince.lol <mailto: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
>>>     <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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