fix discord catppuccin theme packaging

home/graphical/discord/default.nix

@@ -1,11 +1,57 @@
 { config, pkgs, ... }:
 
 let
-  catppuccin-discord = pkgs.fetchurl {
-    url = "https://catppuccin.github.io/discord/dist/catppuccin-${config.catppuccin.flavor}-${config.catppuccin.accent}.theme.css";
-    sha256 = "sha256-bMxCPo7vg+iHXspsVnrboonlUvkShk5l+gqFIbAxd0o=";
+  catppuccin-discord-src = pkgs.fetchFromGitHub {
+    owner = "catppuccin";
+    repo = "discord";
+    rev = "1b2dffbabf75a294a0fb9245f9f7244a853e7ada";
+    hash = "sha256-LdUPnnbbSwgaw37FJD2s1vPiTaISaYbtOWRxQIekQkQ=";
   };
 
+  yarnOfflineCache = pkgs.fetchYarnDeps {
+    yarnLock = "${catppuccin-discord-src}/yarn.lock";
+    hash = "sha256-BhE3aKyA/LBErjWx+lbEVb/CIXhqHkXbV+9U2djIBhs=";
+  };
+
+  catppuccin-discord-pkg = pkgs.stdenv.mkDerivation {
+    pname = "catppuccin-discord";
+    version = "unstable";
+
+    src = catppuccin-discord-src;
+
+    nativeBuildInputs = with pkgs; [
+      yarn
+      nodejs
+      fixup-yarn-lock
+      nodePackages.sass
+    ];
+
+    postPatch = ''
+      substituteInPlace package.json \
+        --replace-fail "--no-charset --no-source-map" ""
+    '';
+
+    configurePhase = ''
+      export HOME=$TMPDIR
+      yarn config --offline set yarn-offline-mirror ${yarnOfflineCache}
+      fixup-yarn-lock yarn.lock
+      yarn install --offline --frozen-lockfile --ignore-scripts --ignore-platform
+    '';
+
+    buildPhase = ''
+      yarn --offline build
+      yarn --offline release
+    '';
+
+    installPhase = ''
+      mkdir -p $out
+      find .
+      cp -r dist/* $out
+    '';
+  };
+
+  catppuccin-discord = "${catppuccin-discord-pkg}/dist/catppuccin-${config.catppuccin.flavor}-${config.catppuccin.accent}.theme.css";
+
   mergedThemes = pkgs.runCommand "mergedConfig" { } ''
     mkdir -p $out
     cp ${catppuccin-discord} $out/catppuccin.css