build please?

system/services/sddm/themes/sugar-dark/flake.nix

@@ -0,0 +1,29 @@
+{
+  description = "Package Sugar Dark SDDM theme";
+
+  inputs = {
+
+    repo = {
+      url = "github:MarianArlt/sddm-sugar-dark";
+      flake = false;
+    };
+
+  };
+
+  outputs = { self, repo, ... }: {
+
+    theme = { pkgs }: pkgs.stdenv.mkDerivation {
+
+      name = "sugar-dark";
+
+      src = repo;
+
+      installPhase = ''
+        mkdir -p $out
+	cp -R $src/* $out/
+      '';
+
+    };
+
+  };
+}

system/services/sddm/themes/tokyo-night/flake.nix

@@ -0,0 +1,29 @@
+{
+  description = "Package Tokyo Night SDDM theme";
+
+  inputs = {
+
+    repo = {
+      url = "github:siddrs/tokyo-night-sddm";
+      flake = false;
+    };
+
+  };
+
+  outputs = { self, repo, ... }: {
+
+    theme = { pkgs }: pkgs.stdenv.mkDerivation {
+
+      name = "tokyo-night";
+
+      src = repo;
+
+      installPhase = ''
+        mkdir -p $out
+	cp -R $src/* $out/
+      '';
+
+    };
+
+  };
+}