Initial commit

flake/den/modules/aspects/dependencies.nix

@@ -0,0 +1,97 @@
+{
+  den,
+  lib,
+  ...
+}:
+let
+  inherit (den.lib)
+    owned
+    statics
+    parametric
+    ;
+
+  inherit (den.lib.take) exactly;
+
+  dependencies = [
+    (exactly osDependencies)
+    (exactly hmUserDependencies)
+    (exactly hmStandaloneDependencies)
+  ];
+
+  osDependencies =
+    { OS, host }:
+    {
+      includes = [
+        (owned den.default)
+        (statics den.default)
+        (owned OS)
+        (statics OS)
+        {
+          includes =
+            let
+              users = builtins.attrValues host.users;
+              contrib = osUserDependencies { inherit OS host; };
+            in
+            map contrib users;
+        }
+      ];
+    };
+
+  osUserDependencies =
+    { OS, host }:
+    user:
+    let
+      USR = den.aspects.${user.aspect};
+    in
+    {
+      includes = [
+        (owned USR)
+        (statics USR)
+        (USR { inherit OS host user; })
+      ];
+    };
+
+  # from OS home-managed integration.
+  hmUserDependencies =
+    {
+      OS-HM,
+      host,
+      user,
+    }:
+    let
+      inherit (OS-HM) OS HM;
+    in
+    {
+      includes = [
+        (owned den.default)
+        (statics den.default)
+        (owned HM)
+        (statics HM)
+        (owned OS)
+        (statics OS)
+        (parametric {
+          inherit
+            OS
+            HM
+            user
+            host
+            ;
+        } OS)
+      ];
+    };
+
+  hmStandaloneDependencies =
+    { HM, home }:
+    {
+      includes = [
+        (owned den.default)
+        (statics den.default)
+        (owned HM)
+        (statics HM)
+      ];
+    };
+
+in
+{
+  den.default.includes = dependencies;
+}