pyrox.dev
1# Check that AttrsWith { lazy = true; } is lazy
2{ lib, ... }:
3let
4 inherit (lib) types mkOption;
5
6 lazyAttrsOf = mkOption {
7 # Same as lazyAttrsOf
8 type = types.attrsWith {
9 lazy = true;
10 elemType = types.int;
11 };
12 };
13
14 attrsOf = mkOption {
15 # Same as lazyAttrsOf
16 type = types.attrsWith {
17 elemType = types.int;
18 };
19 };
20in
21{
22 imports = [
23 # Module A
24 (
25 { ... }:
26 {
27 options.mergedLazyLazy = lazyAttrsOf;
28 options.mergedLazyNonLazy = lazyAttrsOf;
29 options.mergedNonLazyNonLazy = attrsOf;
30 }
31 )
32 # Module B
33 (
34 { ... }:
35 {
36 options.mergedLazyLazy = lazyAttrsOf;
37 options.mergedLazyNonLazy = attrsOf;
38 options.mergedNonLazyNonLazy = attrsOf;
39 }
40 )
41 # Result
42 (
43 { config, ... }:
44 {
45 # Can only evaluate if lazy
46 config.mergedLazyLazy.bar = config.mergedLazyLazy.baz + 1;
47 config.mergedLazyLazy.baz = 10;
48 options.lazyResult = mkOption { default = config.mergedLazyLazy.bar; };
49
50 # Can not only evaluate if not lazy
51 config.mergedNonLazyNonLazy.bar = config.mergedNonLazyNonLazy.baz + 1;
52 config.mergedNonLazyNonLazy.baz = 10;
53 options.nonLazyResult = mkOption { default = config.mergedNonLazyNonLazy.bar; };
54 }
55 )
56 ];
57}