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fake.modules transposition for aspect-oriented Dendritic Nix. with cross-aspect dependencies. Discussions: https://oeiuwq.zulipchat.com/join/nqp26cd4kngon6mo3ncgnuap/
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dendritic
nix
aspect
oriented
testing
+55
checkmate/modules/tests/aspect_assignment.nix
+55
checkmate/modules/tests/aspect_assignment.nix
···
1
+
{ lib, targetLib, ... }:
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{
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+
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flake.tests."test-assign-aspects-on-scopes" =
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let
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flake-aspects-lib = import targetLib lib;
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first = lib.evalModules {
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modules = [
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(flake-aspects-lib.new-scope "foo")
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(flake-aspects-lib.new-scope "bar")
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(flake-aspects-lib.new-scope "baz")
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{
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foo.aspects.a._.b._.c.nixos.x = [ "foo" ];
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}
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{
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bar.aspects.a._.b._.c.nixos.x = [ "bar" ];
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}
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{
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baz.aspects.a._.b._.c.nixos.x = [ "baz" ];
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}
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(
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{ config, ... }:
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{
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bar = config.foo;
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}
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)
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(
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{ config, ... }:
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{
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baz = config.bar;
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}
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)
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];
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};
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+
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second = lib.evalModules {
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modules = [
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first.config.baz.aspects.a._.b._.c.modules.nixos
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{ options.x = lib.mkOption { type = lib.types.listOf lib.types.str; }; }
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];
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};
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+
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expr = second.config.x;
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expected = [
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"foo"
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"bar"
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"baz"
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];
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in
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{
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inherit expected expr;
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};
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+
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}
+91
-66
nix/types.nix
+91
-66
nix/types.nix
···
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(x: lib.length x > 0)
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];
51
51
52
-
aspectSubmodule = lib.types.submodule (
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{
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name,
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aspect,
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config,
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...
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}:
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{
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freeformType = lib.types.attrsOf lib.types.deferredModule;
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config._module.args.aspect = config;
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imports = [ (lib.mkAliasOptionModule [ "_" ] [ "provides" ]) ];
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options.name = lib.mkOption {
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description = "Aspect name";
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default = name;
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type = lib.types.str;
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};
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options.description = lib.mkOption {
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description = "Aspect description";
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default = "Aspect ${name}";
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type = lib.types.str;
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};
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options.includes = lib.mkOption {
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description = "Providers to ask aspects from";
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type = lib.types.listOf providerType;
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default = [ ];
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};
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options.provides = lib.mkOption {
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description = "Providers of aspect for other aspects";
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default = { };
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type = aspectsType;
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};
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options.__functor = lib.mkOption {
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internal = true;
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visible = false;
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description = "Functor to default provider";
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type = lib.types.functionTo providerType;
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default =
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aspect:
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{ class, aspect-chain }:
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# silence nixf-diagnose :/
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if true || (class aspect-chain) then aspect else aspect;
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};
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options.modules = lib.mkOption {
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internal = true;
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visible = false;
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readOnly = true;
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description = "resolved modules from this aspect";
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type = lib.types.attrsOf lib.types.deferredModule;
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default = lib.mapAttrs (class: _: aspect.resolve { inherit class; }) aspect;
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};
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options.resolve = lib.mkOption {
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internal = true;
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visible = false;
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readOnly = true;
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description = "function to resolve a module from this aspect";
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type = lib.types.functionTo lib.types.deferredModule;
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default =
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{
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class,
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aspect-chain ? [ ],
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}:
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resolve class aspect-chain (aspect {
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inherit class aspect-chain;
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});
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};
117
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}
52
+
aspectSubmodule = aspectSubmoduleMerge (
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lib.types.submodule (
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{
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name,
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aspect,
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config,
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+
...
59
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}:
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{
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freeformType = lib.types.attrsOf lib.types.deferredModule;
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config._module.args.aspect = config;
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imports = [ (lib.mkAliasOptionModule [ "_" ] [ "provides" ]) ];
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options.name = lib.mkOption {
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description = "Aspect name";
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default = name;
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type = lib.types.str;
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};
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options.description = lib.mkOption {
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description = "Aspect description";
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default = "Aspect ${name}";
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type = lib.types.str;
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};
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options.includes = lib.mkOption {
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description = "Providers to ask aspects from";
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type = lib.types.listOf providerType;
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default = [ ];
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};
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options.provides = lib.mkOption {
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description = "Providers of aspect for other aspects";
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default = { };
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type = aspectsType;
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};
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options.__functor = lib.mkOption {
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internal = true;
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visible = false;
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description = "Functor to default provider";
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type = lib.types.functionTo providerType;
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default =
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aspect:
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{ class, aspect-chain }:
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# silence nixf-diagnose :/
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if true || (class aspect-chain) then aspect else aspect;
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};
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+
options.modules = lib.mkOption {
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internal = true;
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visible = false;
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readOnly = true;
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description = "resolved modules from this aspect";
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type = lib.types.attrsOf lib.types.deferredModule;
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default = lib.mapAttrs (class: _: aspect.resolve { inherit class; }) aspect;
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};
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options.resolve = lib.mkOption {
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internal = true;
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visible = false;
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readOnly = true;
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description = "function to resolve a module from this aspect";
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type = lib.types.functionTo lib.types.deferredModule;
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default =
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{
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class,
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aspect-chain ? [ ],
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}:
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resolve class aspect-chain (aspect {
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inherit class aspect-chain;
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});
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};
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}
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)
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);
119
121
122
+
aspectSubmoduleMerge =
123
+
tpe:
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+
let
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mrg = tpe.merge;
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+
clearDef =
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+
{ file, value }:
128
+
{
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inherit file;
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+
value =
131
+
if builtins.isAttrs value && value ? modules then
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+
builtins.removeAttrs value [
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"resolve"
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"modules"
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"provides"
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]
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+
else
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value;
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+
};
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+
in
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+
tpe
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+
// {
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+
merge = loc: defs: (mrg loc (lib.map clearDef defs));
144
+
};
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in
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{
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inherit