gemini-cli-bin: use ripgrep from nixpkgs

Co-authored-by: Sinclair Mosley <sinclairjmosley@outlook.com>

pkgs/by-name/ge/gemini-cli-bin/package.nix

@@ -6,6 +6,7 @@
   sysctl,
   writableTmpDirAsHomeHook,
   nix-update-script,
+  ripgrep,
 }:
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "gemini-cli-bin";
@@ -20,7 +21,10 @@ stdenvNoCC.mkDerivation (finalAttrs: {
 
   strictDeps = true;
 
-  buildInputs = [ nodejs ];
+  buildInputs = [
+    nodejs
+    ripgrep
+  ];
 
   installPhase = ''
     runHook preInstall
@@ -37,6 +41,12 @@ stdenvNoCC.mkDerivation (finalAttrs: {
       --replace-fail "settings.merged.general?.disableAutoUpdate ?? false" "settings.merged.general?.disableAutoUpdate ?? true" \
       --replace-fail "settings.merged.general?.disableAutoUpdate" "(settings.merged.general?.disableAutoUpdate ?? true)"
 
+    # use `ripgrep` from `nixpkgs`, more dependencies but prevent downloading incompatible binary on NixOS
+    # this workaround can be removed once the following upstream issue is resolved:
+    # https://github.com/google-gemini/gemini-cli/issues/11438
+    substituteInPlace $out/bin/gemini \
+      --replace-fail 'const existingPath = await resolveExistingRgPath();' 'const existingPath = "${lib.getExe ripgrep}";'
+
     runHook postInstall
   '';