83 lines
2.5 KiB
Nix
83 lines
2.5 KiB
Nix
{
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inputs,
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lib,
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config,
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...
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}:
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let
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inherit (lib) mkOption types;
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in
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{
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options.globals = {
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optModules = mkOption {
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type = types.listOf types.deferredModule;
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default = [ ];
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description = ''
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Modules defining global options.
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These should not include any config only option declaration.
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Will be included in the exported nixos Modules from this flake to be included
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into the host evaluation.
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Be aware that at most 1 of these modules can have a default
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'';
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};
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defModules = mkOption {
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type = types.listOf types.deferredModule;
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default = [ ];
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description = ''
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Modules configuring global options.
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These should not include any option declaration use {option}`optModules` for that.
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Will not included in the exported nixos Modules.
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'';
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};
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attrkeys = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = ''
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The toplevel attrNames for your globals.
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Make sure the keys of this attrset are trivially evaluatable to avoid infinite recursion,
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therefore we inherit relevant attributes from the config.
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'';
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};
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};
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config = {
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globals = {
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optModules = [
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../modules/wireguardGlobals.nix
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];
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attrkeys = [ "wireguard" ];
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};
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flake = flakeSubmod: {
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globals =
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let
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globalsSystem = lib.evalModules {
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prefix = [ "globals" ];
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specialArgs = {
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inherit (inputs.self.pkgs.x86_64-linux) lib;
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inherit inputs;
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inherit (flakeSubmod.config) nodes;
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};
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modules =
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config.globals.optModules
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++ config.globals.defModules
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++ [
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../modules/globals.nix
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(
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{ lib, ... }:
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{
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globals = lib.mkMerge (
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lib.concatLists (
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lib.flip lib.mapAttrsToList flakeSubmod.config.nodes (
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name: cfg:
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builtins.addErrorContext "while aggregating globals from nixosConfigurations.${name} into flake-level globals:" cfg.config._globalsDefs
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)
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)
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);
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}
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)
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];
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};
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in
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lib.genAttrs config.globals.attrkeys (x: globalsSystem.config.globals.${x});
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};
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};
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}
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