fix: add system PATH fallback for ripgrep resolution (#26777) (#26868)

integration-tests/globalSetup.ts

@@ -12,7 +12,7 @@ if (process.env['NO_COLOR'] !== undefined) {
 import { mkdir, readdir, rm, readFile } from 'node:fs/promises';
 import { join, dirname, extname } from 'node:path';
 import { fileURLToPath } from 'node:url';
-import { canUseRipgrep } from '../packages/core/src/tools/ripGrep.js';
+import { resolveRipgrepPath } from '../packages/core/src/tools/ripGrep.js';
 import { disableMouseTracking } from '@google/gemini-cli-core';
 import { isolateTestEnv } from '../packages/test-utils/src/env-setup.js';
 import { createServer, type Server } from 'node:http';
@@ -93,7 +93,7 @@ export async function setup() {
   isolateTestEnv(runDir);
 
   // Download ripgrep to avoid race conditions in parallel tests
-  const available = await canUseRipgrep();
+  const available = await resolveRipgrepPath();
   if (!available) {
     throw new Error('Failed to download ripgrep binary');
   }

integration-tests/ripgrep-real.test.ts

@@ -8,7 +8,10 @@ import { describe, it, expect, beforeAll, afterAll } from 'vitest';
 import * as path from 'node:path';
 import * as fs from 'node:fs/promises';
 import * as os from 'node:os';
-import { RipGrepTool } from '../packages/core/src/tools/ripGrep.js';
+import {
+  RipGrepTool,
+  resolveRipgrepPath,
+} from '../packages/core/src/tools/ripGrep.js';
 import { Config } from '../packages/core/src/config/config.js';
 import { WorkspaceContext } from '../packages/core/src/utils/workspaceContext.js';
 import { createMockMessageBus } from '../packages/core/src/test-utils/mock-message-bus.js';
@@ -48,6 +51,10 @@ class MockConfig {
   validatePathAccess() {
     return null;
   }
+
+  async getRipgrepPath() {
+    return resolveRipgrepPath();
+  }
 }
 
 describe('ripgrep-real-direct', () => {