auto gtk theme, unique palette

gtk-theme.nix

@@ -0,0 +1,68 @@
+{ pkgs }:
+{ palette }:
+
+let
+  rendersvg = pkgs.runCommand "rendersvg" { } ''
+    mkdir -p $out/bin
+    ln -s ${pkgs.resvg}/bin/resvg $out/bin/rendersvg
+  '';
+in
+pkgs.stdenv.mkDerivation rec {
+  name = "generated-gtk-theme-nix-rice";
+  src = pkgs.fetchFromGitHub {
+    owner = "nana-4";
+    repo = "materia-theme";
+    rev = "76cac96ca7fe45dc9e5b9822b0fbb5f4cad47984";
+    sha256 = "sha256-0eCAfm/MWXv6BbCl2vbVbvgv8DiUH09TAUhoKq7Ow0k=";
+  };
+  buildInputs = with pkgs; [
+    sassc
+    bc
+    which
+    rendersvg
+    meson
+    ninja
+    nodePackages.sass
+    gtk4.dev
+    optipng
+  ];
+  phases = [ "unpackPhase" "installPhase" ];
+  installPhase = ''
+    HOME=/build
+    chmod 777 -R .
+    patchShebangs .
+    mkdir -p $out/share/themes
+    mkdir bin
+    sed -e 's/handle-horz-.*//' -e 's/handle-vert-.*//' -i ./src/gtk-2.0/assets.txt
+
+    cat > /build/gtk-colors << EOF
+      BTN_BG=${palette.bright.black}
+      BTN_FG=${palette.normal.blue}
+      FG=${palette.util.fg}
+      BG=${palette.util.bg}
+      HDR_BTN_BG=${palette.bright.black}
+      HDR_BTN_FG=${palette.normal.blue}
+      ACCENT_BG=${palette.bright.black}
+      ACCENT_FG=${palette.normal.yellow}
+      HDR_FG=${palette.util.fg}
+      HDR_BG=${palette.util.bg}
+      MATERIA_SURFACE=${palette.normal.black}
+      MATERIA_VIEW=${palette.util.bg}
+      MENU_BG=${palette.util.bg}
+      MENU_FG=${palette.util.fg}
+      SEL_BG=${palette.normal.black}
+      SEL_FG=${palette.normal.yellow}
+      TXT_BG=${palette.util.bg}
+      TXT_FG=${palette.util.fg}
+      WM_BORDER_FOCUS=${palette.normal.yellow}
+      WM_BORDER_UNFOCUS=${palette.normal.black}
+      UNITY_DEFAULT_LAUNCHER_STYLE=False
+      NAME="nix-rice"
+      MATERIA_STYLE_COMPACT=True
+    EOF
+
+    echo "Changing colours:"
+    ./change_color.sh -o nix-rice /build/gtk-colors -i False -t "$out/share/themes"
+    chmod 555 -R .
+  '';
+}