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|
{
config,
lib,
flake-parts-lib,
inputs,
self,
moduleLocation,
withSystem,
...
}: let
inherit (flake-parts-lib) mkSubmoduleOptions;
inherit
(builtins)
attrValues
mapAttrs
removeAttrs
;
inherit
(lib)
const
literalExpression
mkOption
recursiveUpdate
types
;
kernelFor = {
nixos = "linux";
darwin = "darwin";
};
applySpecialArgsFor = system:
recursiveUpdate {
inherit inputs;
inputs' = withSystem system ({inputs', ...}: inputs');
};
toSystem = type: {
modules ? [],
system,
specialArgs ? {},
...
} @ args:
args.builder (
removeAttrs args ["builder"]
// {
modules = modules ++ attrValues (self."${type}Modules" or {});
specialArgs = applySpecialArgsFor system specialArgs;
}
);
toUser = {
extraSpecialArgs ? {},
modules ? [],
pkgs,
} @ args:
inputs.home-manager.lib.homeManagerConfiguration (
args
// {
modules = modules ++ attrValues (self.homeManagerModules or {});
extraSpecialArgs = applySpecialArgsFor pkgs.stdenv.hostPlatform.system extraSpecialArgs;
}
);
mapSystems = type: mapAttrs (const (toSystem type));
mapUsers = mapAttrs (const toUser);
mapNixOS = mapSystems "nixos";
mapDarwin = mapSystems "darwin";
systemsSubmodule = type: {
freeformType = types.attrsOf types.anything;
options = {
builder = let
error = throw "System configuration of type `${type}` is not supported!";
in
mkOption {
type = types.functionTo (types.lazyAttrsOf types.raw);
default =
{
nixos = inputs.nixpkgs.lib.nixosSystem;
darwin = inputs.nix-darwin.lib.darwinSystem;
}
.${type}
or error;
example = literalExpression (
{
nixos = "inputs.nixpkgs.lib.nixosSystem";
darwin = "inputs.nix-darwin.lib.darwinSystem";
}
.${type}
or error
);
description = ''
Function to build this ${type}Configuration with
'';
};
system = mkOption {
type = types.str;
default = "x86_64-" + kernelFor.${type};
example = literalExpression ("aarch64-" + kernelFor.${type});
description = ''
System to build this ${type}Configuration for
'';
};
};
};
usersSubmodule = {
freeformType = types.attrsOf types.anything;
options = {
pkgs = mkOption {
type = types.lazyAttrsOf types.raw;
default = inputs.nixpkgs.legacyPackages.x86_64-linux;
defaultText = "inputs.nixpkgs.legacyPackages.x86_64-linux";
example = literalExpression "inputs.nixpkgs.legacyPackages.aarch64-linux";
description = ''
Instance of nixpkgs to use in this homeConfiguration
'';
};
};
};
mkSystemOptions = type:
mkOption {
type = types.attrsOf (types.submodule (systemsSubmodule type));
default = {};
example = literalExpression ''
{
myComputer = {
system = "aarch64${kernelFor type}";
};
}
'';
description = ''
Attribute set of `lib.${type}System` options. The names of
each attribute will be used to import files in the `systems/`
directory
'';
};
in {
options = {
flake = mkSubmoduleOptions {
darwinModules = mkOption {
type = types.lazyAttrsOf types.unspecified;
default = {};
apply = mapAttrs (name: value: {
_file = "${toString moduleLocation}#darwinModules.${name}";
imports = [value];
});
};
};
configurations = {
nixos = mkSystemOptions "nixos";
darwin = mkSystemOptions "darwin";
home = mkOption {
type = types.attrsOf (types.submodule usersSubmodule);
default = {};
example = literalExpression ''
{
john = {
pkgs = inputs.nixpkgs.legacyPackages.aarch64-linux;
};
}
'';
description = ''
Attribute set of `lib.homeManagerConfiguration` arguments. The
name of each attribute will be used to import files in the `users/`
directory.
'';
};
};
};
config.flake = {
nixosConfigurations = mapNixOS config.configurations.nixos;
darwinConfigurations = mapDarwin config.configurations.darwin;
homeConfigurations = mapUsers config.configurations.home;
};
}
|
