i'll do something about this later

pkgs/vivid-icons/default.nix

@@ -1,23 +1,44 @@
-{ lib, stdenv, fetchFromGitHub }:
-
-stdenv.mkDerivation {
+{ lib, stdenv, fetchFromGitHub, hicolor-icon-theme }:
+stdenv.mkDerivation rec {
   pname = "vivid-icons";
   version = "2025-03-16";
-
   src = fetchFromGitHub {
     owner = "L4ki";
     repo = "Vivid-Plasma-Themes";
     rev = "fe8b8f1bdd3784dc838c125bb9e1b2d713f40e67";
     sha256 = "1rcphy08r6337gbp98nz00mj780jn9kwm40ngd9pxnlvwp2n8mjj";
   };
-
+  buildInputs = [ hicolor-icon-theme ];
   installPhase = ''
     mkdir -p $out/share/icons
     cp -r "Vivid Icons Themes/"* $out/share/icons/
+    for theme in $out/share/icons/*; do
+      if [ -d "$theme" ]; then
+        echo "Processing theme: $theme"
+        cat > "$theme/index.theme" <<EOF
+[Icon Theme]
+Name=$(basename "$theme")
+Comment=$(basename "$theme") icons
+Inherits=hicolor
+Directories=8x8,16x16,22x22
+[8x8]
+Size=8
+Context=Emblems
+Type=Fixed
+[16x16]
+Size=16
+Context=Actions
+Type=Fixed
+[22x22]
+Size=22
+Context=Actions
+Type=Fixed
+EOF
+      fi
+    done
   '';
-
   meta = with lib; {
-    description = "Vivid Icons";
+    description = "Vivid Icons Theme";
     homepage = "https://github.com/L4ki/Vivid-Plasma-Themes";
     license = licenses.gpl3;
     platforms = platforms.all;