Revert "matcha-gtk-theme: remove"

This reverts commit f8afb85.

pkgs/by-name/ma/matcha-gtk-theme/package.nix

@@ -0,0 +1,80 @@
+{
+  lib,
+  stdenvNoCC,
+  fetchFromGitHub,
+  gdk-pixbuf,
+  gtk-engine-murrine,
+  jdupes,
+  librsvg,
+  gitUpdater,
+  colorVariants ? [ ], # default: all
+  themeVariants ? [ ], # default: blue
+}:
+
+let
+  pname = "matcha-gtk-theme";
+
+in
+lib.checkListOfEnum "${pname}: color variants" [ "standard" "light" "dark" ] colorVariants
+  lib.checkListOfEnum
+  "${pname}: theme variants"
+  [ "aliz" "azul" "sea" "pueril" "all" ]
+  themeVariants
+
+  stdenvNoCC.mkDerivation
+  rec {
+    inherit pname;
+    version = "2025-04-11";
+
+    src = fetchFromGitHub {
+      owner = "vinceliuice";
+      repo = "matcha-gtk-theme";
+      rev = version;
+      sha256 = "sha256-vPAGEa3anWAynEg2AYme4qpHJdLDKk2CmL5iQ1mBYgM=";
+    };
+
+    nativeBuildInputs = [
+      jdupes
+    ];
+
+    buildInputs = [
+      gdk-pixbuf
+      librsvg
+    ];
+
+    propagatedUserEnvPkgs = [
+      gtk-engine-murrine
+    ];
+
+    postPatch = ''
+      patchShebangs install.sh
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      mkdir -p $out/share/themes
+
+      name= ./install.sh \
+        ${lib.optionalString (colorVariants != [ ]) "--color " + toString colorVariants} \
+        ${lib.optionalString (themeVariants != [ ]) "--theme " + toString themeVariants} \
+        --dest $out/share/themes
+
+      mkdir -p $out/share/doc/matcha-gtk-theme
+      cp -a src/extra/firefox $out/share/doc/matcha-gtk-theme
+
+      jdupes --quiet --link-soft --recurse $out/share
+
+      runHook postInstall
+    '';
+
+    passthru.updateScript = gitUpdater { };
+
+    meta = {
+      description = "Stylish flat Design theme for GTK based desktop environments";
+      homepage = "https://vinceliuice.github.io/theme-matcha";
+      license = lib.licenses.gpl3Only;
+      platforms = lib.platforms.unix;
+      maintainers = [ lib.maintainers.romildo ];
+    };
+  }

pkgs/top-level/aliases.nix

@@ -1563,7 +1563,6 @@ mapAliases {
   marwaita-yellow = throw "'marwaita-yellow' has been removed because it depended on 'gtk-engine-murrine', which was removed because it was unmaintained upstream and depended on GTK 2."; # Added 2026-07-22
   massif-visualizer = throw "'massif-visualizer' has been removed due to outdated KF5 dependencies."; # Added 2026-05-01
   mastodon-bot = throw "'mastodon-bot' has been removed because it was archived by upstream in 2021."; # Added 2025-11-07
-  matcha-gtk-theme = throw "'matcha-gtk-theme' has been removed because it depended on 'gtk-engine-murrine', which was removed because it was unmaintained upstream and depended on GTK 2."; # Added 2026-07-22
   materia-theme = throw "'materia-theme' has been removed because it depended on 'gtk-engine-murrine', which was removed because it was unmaintained upstream and depended on GTK 2."; # Added 2026-07-22
   material-kwin-decoration = throw "'material-kwin-decoration' has been removed, as it is only compatible with Plasma 5, which is EOL"; # Added 2025-08-20
   matheria-theme-transparent = throw "'matheria-theme-transparent' has been removed because it depended on 'gtk-engine-murrine', which was removed because it was unmaintained upstream and depended on GTK 2."; # Added 2026-07-22