Pre releases (#10752)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

packages/cli/src/config/extensions/github_fetch.ts

@@ -0,0 +1,38 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as https from 'node:https';
+
+export function getGitHubToken(): string | undefined {
+  return process.env['GITHUB_TOKEN'];
+}
+
+export async function fetchJson<T>(url: string): Promise<T> {
+  const headers: { 'User-Agent': string; Authorization?: string } = {
+    'User-Agent': 'gemini-cli',
+  };
+  const token = getGitHubToken();
+  if (token) {
+    headers.Authorization = `token ${token}`;
+  }
+  return new Promise((resolve, reject) => {
+    https
+      .get(url, { headers }, (res) => {
+        if (res.statusCode !== 200) {
+          return reject(
+            new Error(`Request failed with status code ${res.statusCode}`),
+          );
+        }
+        const chunks: Buffer[] = [];
+        res.on('data', (chunk) => chunks.push(chunk));
+        res.on('end', () => {
+          const data = Buffer.concat(chunks).toString();
+          resolve(JSON.parse(data) as T);
+        });
+      })
+      .on('error', reject);
+  });
+}