[Nix-dev] preventing a list from merging

[Mathijs Kwik]

On Sun, Dec 4, 2011 at 12:04 PM, Marc Weber <marco-oweber at gmx.de> wrote:
> Excerpts from Mathijs Kwik's message of Sun Dec 04 11:46:19 +0100 2011:
>> I temporarily just copied hardware-configuration.nix to
>> hardware-static.nix and changed the require line in configuration.nix.
>> Then I edited hardware-static and removed the nvidia line.
>> However, this doesn't feel right.
>
> You're right. But its easy and fast to do. You can regenerate the
> hardware file occasionally and merge in changes.
> You can spend countless hours on generating the perfect setup which can
> be broken easily by any kernel changes.
>
> Auto generated hardware file: I don't think its either complete nor
> stable - so taking as snapshot is a nice solution for now even it feels
> wrong. If it works - keep it.
>

Okay thanks, it's indeed not that important to try to automate.

> Also note that you can always overwrite setting using mkOverwrite 2000
> ['the list taking precedence over everything else']  in your
> configuration.nix file. Then you can keep merging everything else from
> the auto file only overwriting your special stuff.

Is there a way to refer to the "default" too? something like:
someList = mkOverride 2000 (filter (!= "blah") origInalSomeList)

>
> Marc Weber
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