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82f9fe67c3
Using `perSystem` to implement per-system attributes ties all the per-system attributes together; all the `perSystem` functions must run to determine output attrs. By generating them separately, the generation can be done lazily.
38 lines
958 B
Nix
38 lines
958 B
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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{ config, lib, flakelight, genSystems, ... }:
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let
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inherit (lib) isFunction mapAttrs mkMerge mkOption mkIf;
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inherit (lib.types) lazyAttrsOf nullOr;
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inherit (flakelight.types) function optFunctionTo;
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wrapBundler = pkgs: bundler: drv:
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if isFunction (bundler (pkgs // drv)) then bundler pkgs drv else bundler drv;
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in
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{
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options = {
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bundler = mkOption {
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type = nullOr function;
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default = null;
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};
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bundlers = mkOption {
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type = nullOr (optFunctionTo (lazyAttrsOf function));
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default = null;
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};
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};
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config = mkMerge [
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(mkIf (config.bundler != null) {
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bundlers.default = config.bundler;
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})
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(mkIf (config.bundlers != null) {
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outputs.bundlers = genSystems (pkgs:
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mapAttrs (_: wrapBundler pkgs) (config.bundlers pkgs));
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})
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];
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}
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