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forked from extern/flakelight
flakelight/builtinModules/templates.nix
Archit Gupta fad306c589 Fix merge function for custom option types
If merge is not set for an option type, it will use the default merge
function; this was not what was intended. Updated the merge values for
options that did not set one to mergeOneOption or mergeEqualOption.
2023-10-18 20:02:24 -07:00

45 lines
1.0 KiB
Nix

# flakelight -- Framework for simplifying flake setup
# Copyright (C) 2023 Archit Gupta <archit@accelbread.com>
# SPDX-License-Identifier: MIT
{ config, lib, ... }:
let
inherit (builtins) isPath isString;
inherit (lib) mkOption mkOptionType mkIf mkMerge;
inherit (lib.types) lazyAttrsOf nullOr;
inherit (lib.options) mergeEqualOption;
template = mkOptionType {
name = "template";
description = "template definition";
descriptionClass = "noun";
check = x: (x ? path) && (isPath x.path) &&
(x ? description) && (isString x.description) &&
((! x ? welcomeText) || (isString x.welcomeText));
merge = mergeEqualOption;
};
in
{
options = {
template = mkOption {
type = nullOr template;
default = null;
};
templates = mkOption {
type = lazyAttrsOf template;
default = { };
};
};
config = mkMerge [
(mkIf (config.template != null) {
templates.default = config.template;
})
(mkIf (config.templates != { }) {
outputs = { inherit (config) templates; };
})
];
}