Add importable clan.modules and clan.template interfaces without implementation

lib/build-clan/interface.nix

@@ -61,6 +61,24 @@ in
       '';
     };
 
+    modules = lib.mkOption {
+      type = types.attrsOf (types.submodule { imports = [ ./modules/interface.nix ]; });
+      default = { };
+      description = ''
+        Experimental: In the future, 
+        this will be the main way to define Clan modules.
+      '';
+    };
+
+    templates = lib.mkOption {
+      type = types.submodule { imports = [ ./templates/interface.nix ]; };
+      default = { };
+      description = ''
+        Experimental: In the future, 
+        this will be the main way to define Clan templates.
+      '';
+    };
+
     # Meta
     meta = lib.mkOption {
       description = ''
@@ -107,6 +125,10 @@ in
           # We don't specify the type here, for better performance.
           inventory = lib.mkOption { type = lib.types.raw; };
           inventoryValuesPrios = lib.mkOption { type = lib.types.raw; };
+          # all exported clan templates from this clan
+          templates = lib.mkOption { type = lib.types.raw; };
+          # all exported clan modules from this clan
+          modules = lib.mkOption { type = lib.types.raw; };
           # all inventory module schemas
           moduleSchemas = lib.mkOption { type = lib.types.raw; };
           inventoryFile = lib.mkOption { type = lib.types.raw; };

lib/build-clan/module.nix

@@ -212,9 +212,11 @@ in
       builtins.removeAttrs (clan-core.lib.values.getPrios { options = inventory.options; })
         # tags are freeformType which is not supported yet.
         [ "tags" ];
+
+    modules = config.modules;
+    templates = config.templates;
     inventory = config.inventory;
     meta = config.inventory.meta;
-
     source = "${clan-core}";
 
     # machine specifics

lib/build-clan/modules/interface.nix

@@ -0,0 +1,27 @@
+{
+  lib,
+  name,
+  ...
+}:
+let
+  types = lib.types;
+in
+{
+  # clan.modules.<module-name>
+  options = {
+    path = lib.mkOption {
+      type = types.path;
+      description = ''
+        Holds the path to the clan module.
+      '';
+    };
+
+    name = lib.mkOption {
+      type = types.str;
+      default = name;
+      description = ''
+        The name of the module.
+      '';
+    };
+  };
+}

lib/build-clan/templates/clan/interface.nix

@@ -0,0 +1,27 @@
+{
+  lib,
+  name,
+  ...
+}:
+let
+  types = lib.types;
+in
+{
+  # clan.templates.clan.<template-name>
+  options = {
+    path = lib.mkOption {
+      type = types.path;
+      description = ''
+        Holds the path to the clan template.
+      '';
+    };
+
+    name = lib.mkOption {
+      type = types.str;
+      default = name;
+      description = ''
+        The name of the template.
+      '';
+    };
+  };
+}

lib/build-clan/templates/disko/interface.nix

@@ -0,0 +1,27 @@
+{
+  lib,
+  name,
+  ...
+}:
+let
+  types = lib.types;
+in
+{
+  # clan.templates.disko.<template-name>
+  options = {
+    path = lib.mkOption {
+      type = types.path;
+      description = ''
+        Holds the path to the clan template.
+      '';
+    };
+
+    name = lib.mkOption {
+      type = types.str;
+      default = name;
+      description = ''
+        The name of the template.
+      '';
+    };
+  };
+}

lib/build-clan/templates/interface.nix

@@ -0,0 +1,28 @@
+{
+  lib,
+  ...
+}:
+let
+  types = lib.types;
+in
+{
+  options = {
+    # clan.templates.disko
+    disko = lib.mkOption {
+      type = types.attrsOf (types.submodule { imports = [ ./disko/interface.nix ]; });
+      default = { };
+      description = ''
+        Holds different disko templates.
+      '';
+    };
+
+    # clan.templates.clan
+    clan = lib.mkOption {
+      type = types.attrsOf (types.submodule { imports = [ ./clan/interface.nix ]; });
+      default = { };
+      description = ''
+        Holds the different clan templates.
+      '';
+    };
+  };
+}