Initial commit

flake/den/modules/aspects/definition.nix

@@ -0,0 +1,34 @@
+# create aspect dependencies from hosts/users
+{
+  lib,
+  den,
+  ...
+}:
+let
+  inherit (den.lib) parametric;
+
+  makeAspect = from: {
+    ${from.aspect} = {
+      ${from.class} = { };
+      includes = [ den.default ];
+      __functor = parametric.atLeast;
+    };
+  };
+
+  hosts = map builtins.attrValues (builtins.attrValues den.hosts);
+  homes = map builtins.attrValues (builtins.attrValues den.homes);
+  aspectClass = from: { inherit (from) aspect class; };
+
+  deps = lib.pipe hosts [
+    (lib.flatten)
+    (map (h: builtins.attrValues h.users))
+    (users: users ++ hosts ++ homes)
+    (lib.flatten)
+    (map aspectClass)
+    (lib.unique)
+    (map makeAspect)
+  ];
+in
+{
+  den.aspects = lib.mkMerge deps;
+}