[Nix-dev] xserver ignores custom vesa modes

[Marco Maggesi]

Fantastic!
It works.
Thank you for your detailed explanations.

M.

On Jan 28, 2009, at 2:28 PM, Marc Weber wrote:

>> How can I explain this to my /etc/nixos/configuration.nix ?
>> I tryed to look inside the nix scripts in /etc/nixos/nixos but I'm  
>> lost.
>
> Hi Marco,
>
> xserver is started by an upstart job. All upstart descriptions can be
> found in the nixos repo within the upstart-jobs directory.
> There is also upstart-jobs/xserver.nix.
>
> You want to look for the
>
>  [..]
>  env SLIM_CFGFILE=${slimConfig}
>  [..]
>  start script
>  [..]
>  end script section
>  [..]
>
>> From there on you can continue following the slimConfig definition:
>  slimConfig = pkgs.writeText "slim.cfg" ''
>    [..]
>      xserver_arguments ${toString xserverArgs}
>    [..]
>    '';
>
>  xserverArgs = [
>    [..]
>    "-config ${configFile}"
>    [...]
>  ] [...]
>
> will make you read about :
>
>  configFile = stdenv.mkDerivation {
>    name = "xserver.conf"; <<< derivation name. Not important
>    src = ./xserver.conf; <<<<<<<<<<<<<<<<  template file
>    inherit fontsForXServer videoDriver resolutions;
>    isClone = if cfg.isClone then "on" else "off";
>
> so finally you end up reading
>  nixos/upstart-jobs/./xserver.con
>
> noticing those strange @foo@ subtitution regions.
> They are replaced by values form the builder environment.
> Eg note the inherit line above.
>
>
> the /etc/nixos/configuration.nix settings will show up in
>  # Abbreviations.
>  cfg = config.services.xserver;
>
> I hope you can guess how to extend this configuration scheme now.
>
> Marc
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