nixpkgs/lib/tests/modules/deferred-module.nix

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{ lib, ... }:
let
inherit (lib) types mkOption setDefaultModuleLocation;
inherit (types) deferredModule lazyAttrsOf submodule str raw enum;
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in
{
imports = [
# generic module, declaring submodules:
# - nodes.<name>
# - default
# where all nodes include the default
({ config, ... }: {
_file = "generic.nix";
options.nodes = mkOption {
type = lazyAttrsOf (submodule { imports = config.default; });
default = {};
};
options.default = mkOption {
type = deferredModule;
default = { };
description = ''
Module that is included in all nodes.
'';
};
})
{
_file = "default-1.nix";
default = { config, ... }: {
options.settingsDict = lib.mkOption { type = lazyAttrsOf str; default = {}; };
options.bottom = lib.mkOption { type = enum []; };
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};
}
{
_file = "default-a-is-b.nix";
default = ./define-settingsDict-a-is-b.nix;
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}
{
_file = "nodes-foo.nix";
nodes.foo.settingsDict.b = "beta";
}
{
_file = "the-file-that-contains-the-bad-config.nix";
default.bottom = "bogus";
}
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{
_file = "nodes-foo-c-is-a.nix";
nodes.foo = { config, ... }: {
settingsDict.c = config.settingsDict.a;
};
}
];
}