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39 lines
1.4 KiB
Nix
39 lines
1.4 KiB
Nix
# flakelight -- Framework for simplifying flake setup
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# Copyright (C) 2023 Archit Gupta <archit@accelbread.com>
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# SPDX-License-Identifier: MIT
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# This provides a module that can be added to module systems nested inside of
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# flakelight, for example NixOS or home-manager configurations.
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{ lib, config, flakelight, moduleArgs, inputs, outputs, ... }:
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let
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inherit (lib) mapAttrs mkOption optionalAttrs;
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inherit (flakelight) selectAttr;
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inherit (flakelight.types) module;
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in
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{
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options.propagationModule = mkOption { type = module; };
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config.propagationModule =
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{ lib, pkgs, options, ... }:
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let inherit (pkgs.stdenv.hostPlatform) system; in {
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config = (optionalAttrs (options ? nixpkgs.overlays) {
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# Apply flakelight overlays to NixOS/home-manager configurations
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nixpkgs.overlays = lib.mkOrder 10
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(config.withOverlays ++ [ config.packageOverlay ]);
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})
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// (optionalAttrs (options ? home-manager.sharedModules) {
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# Propagate module to home-manager when using its nixos module
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home-manager.sharedModules = [ config.propagationModule ];
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})
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// {
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# Give access to flakelight module args under `flake` arg.
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# Also include inputs'/outputs' which depend on `pkgs`.
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_module.args.flake = {
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inputs' = mapAttrs (_: selectAttr system) inputs;
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outputs' = selectAttr system outputs;
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} // moduleArgs;
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};
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};
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}
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