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|
{
config,
lib,
inputs,
withSystem,
...
}:
let
namespace = "configurations";
cfg = config.${namespace};
/**
Submodule representing common options between builder functions
like `nixosSystem`, `darwinSystem`, and `homeManagerConfiguration`
*/
configurationBuilderSubmodule =
{ options, ... }:
{
freeformType = lib.types.attrsOf lib.types.any;
options = {
builder = lib.mkOption {
type = lib.types.functionTo options.configuration.type;
};
modules = lib.mkOption {
type = lib.types.listOf lib.types.deferredModule;
default = [ ];
apply = lib.concat [
(
{ pkgs, ... }:
{
_module.args.inputs' = withSystem pkgs.stdenv.hostPlatform.system ({ inputs', ... }: inputs');
}
)
];
description = "The modules to include in the configuration.";
example = lib.literalExpression ''
[ ./configuration.nix ]
'';
};
specialArgs = lib.mkOption {
type = lib.types.lazyAttrsOf lib.types.raw;
default = { };
apply = lib.recursiveUpdate { inherit inputs; };
description = "Extra arguments to pass to all modules, that are available in `imports` but can not be extended or overridden by the `modules`.";
example = lib.literalExpression ''
{ foo = "bar"; }
'';
};
configuration = lib.mkOption {
type = lib.types.lazyAttrsOf lib.types.raw;
internal = true;
readOnly = true;
};
};
};
/**
Submodule representing a nixosConfiguration builder definition and it's accompanying options
*/
nixosConfigurationSubmodule = lib.types.submodule (
{ config, ... }:
{
imports = [ configurationBuilderSubmodule ];
options = {
builder = lib.mkOption {
default = inputs.nixpkgs.lib.nixosSystem or null;
defaultText = "inputs.nixpkgs.lib.nixosSystem or null";
description = "Builder for a NixOS configuration.";
example = lib.literalExpression "inputs.nixpkgs-stable.lib.nixosSystem";
};
modulesLocation = lib.mkOption {
type = lib.types.nullOr lib.types.path;
default = null;
description = "A default location for modules that aren't passed by path, used for error messages.";
};
};
config = {
configuration = config.builder (
lib.removeAttrs config [
"_module"
"builder"
"configuration"
]
);
};
}
);
/**
Submodule representing a darwinConfiguration builder definition and it's accompanying options
*/
darwinConfigurationSubmodule = lib.types.submodule (
{ config, ... }:
{
imports = [ configurationBuilderSubmodule ];
options = {
builder = lib.mkOption {
default = (inputs.nix-darwin or inputs.darwin or { }).lib.darwinSystem or null;
defaultText = "(inputs.nix-darwin or input.darwin or { }).lib.darwinSystem or null";
description = "Builder for a nix-darwin configuration.";
example = lib.literalExpression "inputs.nix-darwin.lib.nixosSystem";
};
};
config = {
configuration = config.builder (
lib.removeAttrs config [
"_module"
"builder"
"configuration"
]
);
};
}
);
/**
Submodule representing a homeConfiguration builder definition and it's accompanying options
*/
homeConfigurationSubmodule = lib.types.submodule (
{ config, ... }:
{
imports = [ configurationBuilderSubmodule ];
options = {
builder = lib.mkOption {
default = inputs.home-manager.lib.homeManagerConfiguration or null;
defaultText = "inputs.home-manager.lib.homeManagerConfiguration or null";
description = "Builder for a home-manager configuration.";
example = lib.literalExpression "inputs.hm.lib.homeManagerConfiguration";
};
pkgs = lib.mkOption {
type = lib.types.pkgs;
description = "An instance of Nixpkgs to use in the configuration.";
example = lib.literalExpression ''
withSystem "x86_64-linux" ({ pkgs, ... }: pkgs)
'';
};
};
config = {
configuration = config.builder (
lib.removeAttrs config [
"_module"
"builder"
"configuration"
"specialArgs"
]
// {
extraSpecialArgs = config.specialArgs;
}
);
};
}
);
configurationOption = lib.mkOption {
default = { };
};
configurations = lib.mapAttrs (lib.const (lib.mapAttrs (lib.const (cfg': cfg'.configuration)))) cfg;
in
{
options.${namespace} = {
nixos = configurationOption // {
type = lib.types.attrsOf nixosConfigurationSubmodule;
description = "A map of NixOS configuration names and options.";
example = lib.literalExpression ''
{
my-machine = { modules = [ ./configuration.nix ]; }
}
'';
};
darwin = configurationOption // {
type = lib.types.attrsOf darwinConfigurationSubmodule;
description = "A map of nix-darwin configuration names and options.";
example = lib.literalExpression ''
{
my-mac = { modules = [ ./darwin-configuration.nix ]; }
}
'';
};
home = configurationOption // {
type = lib.types.attrsOf homeConfigurationSubmodule;
description = "A map of home-manager configuration names and options.";
example = lib.literalExpression ''
{
my-home = { modules = [ ./home.nix ]; }
}
'';
};
};
config.flake = {
nixosConfigurations = configurations.nixos;
darwinConfigurations = configurations.darwin;
homeConfigurations = configurations.home;
};
}
|
