cinnamon.mint-l-icons: init at 1.6.4

https://github.com/linuxmint/mint-l-icons/commits/1.6.4

pkgs/desktops/cinnamon/default.nix

···
   nemo-with-extensions = callPackage ./nemo/wrapper.nix { };
   mint-artwork = callPackage ./mint-artwork { };
   mint-cursor-themes = callPackage ./mint-cursor-themes { };
+  mint-l-icons = callPackage ./mint-l-icons { };
   mint-themes = callPackage ./mint-themes { };
   mint-x-icons = callPackage ./mint-x-icons { };
   mint-y-icons = callPackage ./mint-y-icons { };

pkgs/desktops/cinnamon/mint-l-icons/default.nix

···
+{ stdenvNoCC
+, lib
+, fetchFromGitHub
+, gnome
+, gnome-icon-theme
+, hicolor-icon-theme
+, gtk3
+}:
+
+stdenvNoCC.mkDerivation rec {
+  pname = "mint-l-icons";
+  version = "1.6.4";
+
+  src = fetchFromGitHub {
+    owner = "linuxmint";
+    repo = pname;
+    rev = version;
+    hash = "sha256-C6BnBIOKeewsaQPPXWWo70eQpO1pJS0+xVQghPj/TTE=";
+  };
+
+  propagatedBuildInputs = [
+    gnome.adwaita-icon-theme
+    gnome-icon-theme
+    hicolor-icon-theme
+  ];
+
+  nativeBuildInputs = [
+    gtk3
+  ];
+
+  dontDropIconThemeCache = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out
+    mv usr/share $out
+
+    for theme in $out/share/icons/*; do
+      gtk-update-icon-cache $theme
+    done
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/linuxmint/mint-l-icons";
+    description = "Mint-L icon theme";
+    license = licenses.gpl3Plus; # from debian/copyright
+    platforms = platforms.linux;
+    maintainers = teams.cinnamon.members;
+  };
+}