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modularity: Document the ability to use non-files in imports (#50503)

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* modularity: Document the ability to use non-files in imports
* Update nixos/doc/manual/configuration/modularity.xml

Co-Authored-By: Baughn <svein@google.com>
This commit is contained in:
Svein Ove Aas 2018-11-28 11:39:51 +00:00 committed by markuskowa
parent f2c07cd63e
commit 24865963f0
1 changed files with 19 additions and 0 deletions
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19
nixos/doc/manual/configuration/modularity.xml
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@ -127,4 +127,23 @@ nix-repl> map (x: x.hostName) config.<xref linkend="opt-services.httpd.virtualHo
[ "example.org" "example.gov" ]
</screen>
</para>
<para>
While abstracting your configuration, you may find it useful to generate
modules using code, instead of writing files. The example
below would have the same effect as importing a file which sets those
options.
<screen>
{ config, pkgs, ... }:
let netConfig = { hostName }: {
networking.hostName = hostName;
networking.useDHCP = false;
};
in
{ imports = [ (netConfig "nixos.localdomain") ]; }
</screen>
</para>
</section>