Modular, context-aware and aspect-oriented dendritic Nix configurations.
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configurations
den
dendritic
nix
aspect
oriented
fix(namespaces): test that deeply nested parametric aspects work across flakes (#259)
…ss flakes
authored by
Victor Borja
and committed by
GitHub
76966206
0b4c1ad6
+256
-34
+3
-2
.github/workflows/semantic-pr.yml
+3
-2
.github/workflows/semantic-pr.yml
+41
-2
nix/namespace.nix
+41
-2
nix/namespace.nix
···
8
8
name
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9
]) (builtins.filter builtins.isAttrs from);
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10
11
+
internals = [
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+
"_"
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+
"modules"
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+
"resolve"
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+
"__functor"
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];
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+
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stripAspect =
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v:
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if !builtins.isAttrs v then
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v
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else
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(builtins.removeAttrs v internals)
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// lib.optionalAttrs (v ? provides) { provides = lib.mapAttrs (_: stripAspect) v.provides; };
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+
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stripNamespace = lib.mapAttrs (_: stripAspect);
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+
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functorModules =
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aspectPath: v:
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lib.optionals (builtins.isAttrs v) (
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lib.optional (v ? __functor) {
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config = lib.setAttrByPath aspectPath { __functor = v.__functor; };
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}
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++ lib.concatMap (
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pname:
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functorModules (
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aspectPath
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++ [
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"provides"
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+
pname
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]
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) v.provides.${pname}
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) (lib.attrNames (v.provides or { }))
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);
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+
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namespaceFunctorModules =
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ns: lib.concatMap (aname: functorModules [ "den" "ful" name aname ] ns.${aname}) (lib.attrNames ns);
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+
11
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sourceModule = {
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-
config.den.ful.${name} = lib.mkMerge denfuls;
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+
config.den.ful.${name} = lib.mkMerge (map stripNamespace denfuls);
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};
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aliasModule = lib.mkAliasOptionModule [ name ] [ "den" "ful" name ];
···
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sourceModule
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aliasModule
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outputModule
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-
];
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+
]
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++ lib.concatMap namespaceFunctorModules denfuls;
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config._module.args.${name} = config.den.ful.${name};
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}
-29
templates/ci/modules/features/deadbugs/_external-namespace-deep-aspect.nix
-29
templates/ci/modules/features/deadbugs/_external-namespace-deep-aspect.nix
···
1
-
{ denTest, inputs, ... }:
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-
{
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-
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-
flake.tests.deadbugs.namespace-deep-aspect = {
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-
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-
test-external-flake = denTest (
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-
{
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-
den,
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-
provider,
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-
igloo,
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-
...
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-
}:
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-
{
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imports = [
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(inputs.den.namespace "provider" [
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-
true
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-
inputs.provider
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-
])
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];
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den.hosts.x86_64-linux.igloo.users.tux = { };
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den.aspects.igloo.includes = [ provider.tools._.dev._.editors ];
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expr = igloo.programs.vim.enable;
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expected = true;
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}
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);
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-
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};
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-
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-
}
+96
templates/ci/modules/features/deadbugs/external-namespace-deep-aspect.nix
+96
templates/ci/modules/features/deadbugs/external-namespace-deep-aspect.nix
···
1
+
{ denTest, inputs, ... }:
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{
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+
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flake.tests.deadbugs.namespace-deep-aspect = {
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+
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+
test-tools-has-underscore = denTest (
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+
{ provider, ... }:
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{
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imports = [
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(inputs.den.namespace "provider" [
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+
true
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+
inputs.provider
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])
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];
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expr = provider.tools ? _;
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expected = true;
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}
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);
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+
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test-dev-has-underscore = denTest (
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{ provider, ... }:
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{
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imports = [
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(inputs.den.namespace "provider" [
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+
true
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+
inputs.provider
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+
])
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];
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expr = provider.tools._.dev ? _;
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expected = true;
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}
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);
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+
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+
test-external-flake = denTest (
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+
{
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+
provider,
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+
igloo,
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+
...
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+
}:
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+
{
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+
imports = [
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+
(inputs.den.namespace "provider" [
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+
true
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+
inputs.provider
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+
])
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+
];
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+
den.hosts.x86_64-linux.igloo.users.tux = { };
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den.aspects.igloo.includes = [ provider.tools._.dev._.editors ];
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expr = igloo.programs.vim.enable;
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+
expected = true;
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+
}
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+
);
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+
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+
test-functor-atLeast-fires-with-host-context = denTest (
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+
{
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+
provider,
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+
igloo,
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+
...
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+
}:
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+
{
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+
imports = [
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+
(inputs.den.namespace "provider" [
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+
true
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+
inputs.provider
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+
])
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+
];
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+
den.hosts.x86_64-linux.igloo.users.tux = { };
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+
den.aspects.igloo.includes = [ provider.tools._.dev._.host-stamp ];
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expr = igloo.environment.sessionVariables.PROVIDER_HOST;
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expected = "igloo";
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}
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+
);
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+
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+
test-functor-exactly-fires-only-in-user-context = denTest (
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+
{
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+
provider,
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+
igloo,
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+
...
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+
}:
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+
{
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+
imports = [
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+
(inputs.den.namespace "provider" [
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+
true
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+
inputs.provider
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+
])
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+
];
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+
den.hosts.x86_64-linux.igloo.users.tux = { };
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+
den.aspects.igloo.includes = [ provider.tools._.dev._.user-stamp ];
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expr = igloo.users.users.tux.description;
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+
expected = "user-of-igloo";
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+
}
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+
);
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+
94
+
};
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+
96
+
}
+93
templates/ci/provider/flake.lock
+93
templates/ci/provider/flake.lock
···
1
+
{
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+
"nodes": {
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+
"den": {
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+
"locked": {
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+
"lastModified": 1773233709,
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+
"narHash": "sha256-ciy+jL9R1ThzRUpvYnG8wO37b9lGTaM3svnCCsiR1gY=",
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+
"owner": "vic",
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+
"repo": "den",
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+
"rev": "0b4c1ad6f7b93483203b07955cc00a94861420a7",
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+
"type": "github"
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},
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+
"original": {
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"owner": "vic",
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+
"repo": "den",
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+
"type": "github"
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}
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},
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+
"flake-aspects": {
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"locked": {
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+
"lastModified": 1773185256,
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"narHash": "sha256-e3YqMwdQ2EpVTuWRkK2rkrHywp8QCpkj7x2U53SNoIA=",
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"owner": "vic",
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"repo": "flake-aspects",
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+
"rev": "81a51a8997abe392b9d0794424a4823adc9bd3af",
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+
"type": "github"
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+
},
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"original": {
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"owner": "vic",
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"repo": "flake-aspects",
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"type": "github"
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+
}
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+
},
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+
"flake-parts": {
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+
"inputs": {
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+
"nixpkgs-lib": [
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"nixpkgs"
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]
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+
},
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+
"locked": {
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+
"lastModified": 1772408722,
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+
"narHash": "sha256-rHuJtdcOjK7rAHpHphUb1iCvgkU3GpfvicLMwwnfMT0=",
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+
"owner": "hercules-ci",
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+
"repo": "flake-parts",
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+
"rev": "f20dc5d9b8027381c474144ecabc9034d6a839a3",
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+
"type": "github"
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+
},
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+
"original": {
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+
"owner": "hercules-ci",
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+
"repo": "flake-parts",
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+
"type": "github"
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+
}
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+
},
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+
"import-tree": {
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+
"locked": {
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+
"lastModified": 1772999353,
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+
"narHash": "sha256-dPb0WxUhFaz6wuR3B6ysqFJpsu8txKDPZvS47AT2XLI=",
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+
"owner": "vic",
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+
"repo": "import-tree",
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+
"rev": "545a4df146fce44d155573e47f5a777985acf912",
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+
"type": "github"
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+
},
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+
"original": {
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+
"owner": "vic",
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+
"repo": "import-tree",
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+
"type": "github"
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+
}
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+
},
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+
"nixpkgs": {
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+
"locked": {
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+
"lastModified": 1772956932,
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+
"narHash": "sha256-ng4mTBcXO6Nc1cTlXxCPkI49nDJbwFNg/DBhx7YkymE=",
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+
"rev": "608d0cadfed240589a7eea422407a547ad626a14",
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+
"type": "tarball",
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+
"url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre960315.608d0cadfed2/nixexprs.tar.xz"
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+
},
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+
"original": {
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+
"type": "tarball",
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+
"url": "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz"
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+
}
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+
},
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+
"root": {
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+
"inputs": {
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+
"den": "den",
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+
"flake-aspects": "flake-aspects",
85
+
"flake-parts": "flake-parts",
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+
"import-tree": "import-tree",
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+
"nixpkgs": "nixpkgs"
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+
}
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+
}
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+
},
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+
"root": "root",
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+
"version": 7
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+
}
+23
-1
templates/ci/provider/modules/den.nix
+23
-1
templates/ci/provider/modules/den.nix
···
1
-
{ inputs, ... }:
1
+
{ inputs, den, ... }:
2
2
{
3
3
systems = [
4
4
"x86_64-linux"
···
18
18
{
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19
home.packages = [ pkgs.vim ];
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};
21
+
};
22
+
23
+
provider.tools._.dev._.host-stamp = den.lib.parametric {
24
+
includes = [
25
+
(
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+
{ host, ... }:
27
+
{
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+
nixos.environment.sessionVariables.PROVIDER_HOST = host.name;
29
+
}
30
+
)
31
+
];
32
+
};
33
+
34
+
provider.tools._.dev._.user-stamp = den.lib.parametric.exactly {
35
+
includes = [
36
+
(
37
+
{ host, user, ... }:
38
+
{
39
+
nixos.users.users.${user.userName}.description = "user-of-${host.name}";
40
+
}
41
+
)
42
+
];
21
43
};
22
44
}