flake/meta/mkLocalModule.nix

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2024-09-01 00:06:13 +02:00
{lib, config, ...}: {
lib.mkLocalModule = pathInterpolation: optDesc: config: let
#example_input = ./some/subdir/MARKER/a/b/c/d/e/f/g;
marker = "local-modules";
splitAfterMarker = marker: input: builtins.foldl' (acc: new:
if acc == false then # marker not found yet
if new == marker then [] else acc
else # marker found
if builtins.typeOf new == "string"
then acc ++ [new]
else acc
) false (builtins.split "/" (builtins.toString input));
path = splitAfterMarker marker pathInterpolation;
inputs = {
#optDesc = "enable this";
inherit optDesc: config;
};
mod = {config, ...}: {
options = lib.setAttrsByPath path (lib.mkEnableOption inputs.optDesc);
config = lib.mkIf (lib.getAttrByPath path config) inputs.config;
};
in mod;
}