Implement overlay for catppuccin

modules/home-manager/linux-desktop.nix

@@ -13,15 +13,17 @@
   gtk = {
     enable = true;
     # Currently failing: https://github.com/NixOS/nixpkgs/issues/298043
-    # theme = {
+    # Overlay from https://github.com/NixOS/nixpkgs/issues/298043#issuecomment-2015319496
-    #   name = "Catppuccin-Mocha-Compact-Sapphire-Dark";
+    # Fix on master but not yet in unstable https://github.com/NixOS/nixpkgs/pull/297683
-    #   package = pkgs.catppuccin-gtk.override {
+    theme = {
-    #     accents = ["sapphire"];
+      name = "Catppuccin-Mocha-Compact-Sapphire-Dark";
-    #     size = "compact";
+      package = pkgs.catppuccin-gtk.override {
-    #     tweaks = ["rimless"];
+        accents = ["sapphire"];
-    #     variant = "mocha";
+        size = "compact";
-    #   };
+        tweaks = ["rimless"];
-    # };
+        variant = "mocha";
+      };
+    };
   };
 
   home.pointerCursor = {

overlays/default.nix

@@ -14,6 +14,29 @@
   # You can change versions, add patches, set compilation flags, anything really.
   # https://nixos.wiki/wiki/Overlays
   modifications = final: prev: {
+    pythonPackagesExtensions =
+      prev.pythonPackagesExtensions
+      ++ [
+        (
+          python-final: python-prev: {
+            catppuccin = python-prev.catppuccin.overridePythonAttrs (oldAttrs: rec {
+              version = "1.3.2";
+
+              src = prev.fetchFromGitHub {
+                owner = "catppuccin";
+                repo = "python";
+                rev = "refs/tags/v${version}";
+                hash = "sha256-spPZdQ+x3isyeBXZ/J2QE6zNhyHRfyRQGiHreuXzzik=";
+              };
+
+              # can be removed next version
+              disabledTestPaths = [
+                "tests/test_flavour.py" # would download a json to check correctness of flavours
+              ];
+            });
+          }
+        )
+      ];
   };
 
   # When applied, the unstable nixpkgs set (declared in the flake inputs) will