update liminal, fix 1p fingerprint

pkgs/xai-grok/package.nix

@@ -0,0 +1,39 @@
+{
+  lib,
+  stdenvNoCC,
+  fetchurl,
+  nodejs,
+}:
+
+stdenvNoCC.mkDerivation rec {
+  pname = "xai-grok";
+  version = "0.2.38";
+
+  src = fetchurl {
+    url = "https://registry.npmjs.org/@xai-official/grok-linux-x64/-/grok-linux-x64-${version}.tgz";
+    hash = "sha256-E023XTq3PwPH2zBuOh4jFoUh08o6p4IPfX0x7KFUleE=";
+  };
+
+  nativeBuildInputs = [ nodejs ];
+
+  unpackPhase = ''
+    tar -xzf $src
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+    node -e "const fs=require('fs'),z=require('zlib'); const b=z.brotliDecompressSync(fs.readFileSync('package/bin/grok.br')); fs.writeFileSync('$out/bin/grok', b, {mode:0o755});"
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Official xAI Grok Build CLI";
+    homepage = "https://x.ai/cli";
+    license = lib.licenses.unfree;
+    mainProgram = "grok";
+    platforms = [ "x86_64-linux" ];
+  };
+}