push sheeet

nixos/modules/system/service/systemd/config-data-path.nix

@@ -0,0 +1,39 @@
+# Tests in: ../../tests/modular-service-etc/test.nix
+# This module sets the path for configData entries in systemd services
+let
+  setPathsModule =
+    prefix:
+    { lib, name, ... }:
+    let
+      inherit (lib) mkOption types;
+      servicePrefix = "${prefix}${name}";
+    in
+    {
+      _class = "service";
+      options = {
+        # Extend portable configData option
+        configData = mkOption {
+          type = types.lazyAttrsOf (
+            types.submodule (
+              { config, ... }:
+              {
+                config = {
+                  path = lib.mkDefault "/etc/system-services/${servicePrefix}/${config.name}";
+                };
+              }
+            )
+          );
+        };
+        services = mkOption {
+          type = types.attrsOf (
+            types.submoduleWith {
+              modules = [
+                (setPathsModule "${servicePrefix}-")
+              ];
+            }
+          );
+        };
+      };
+    };
+in
+setPathsModule ""