fix: do not double prepend baseUrl on retry

package.json

@@ -13,7 +13,7 @@
     "presystem-test": "npm run compile",
     "system-test": "mocha build/system-test --timeout 40000",
     "clean": "gts clean",
-    "compile": "tsc -p . && npm run fix",
+    "compile": "tsc -p .",
     "fix": "gts fix",
     "prepare": "npm run compile",
     "pretest": "npm run compile",

src/gaxios.ts

@@ -84,6 +84,14 @@ export class Gaxios {
    */
   async request<T = any>(opts: GaxiosOptions = {}): GaxiosPromise<T> {
     opts = this.validateOpts(opts);
+    return this._request(opts);
+  }
+
+  /**
+   * Internal, retryable version of the `request` method.
+   * @param opts Set of HTTP options that will be used for this HTTP request.
+   */
+  private async _request<T = any>(opts: GaxiosOptions = {}): GaxiosPromise<T> {
     try {
       let translatedResponse: GaxiosResponse<T>;
       if (opts.adapter) {
@@ -107,7 +115,7 @@ export class Gaxios {
       const {shouldRetry, config} = await getRetryConfig(e);
       if (shouldRetry && config) {
         err.config.retryConfig!.currentRetryAttempt = config.retryConfig!.currentRetryAttempt;
-        return this.request<T>(err.config);
+        return this._request<T>(err.config);
       }
       throw err;
     }

test/test.retry.ts

@@ -14,7 +14,7 @@
 import assert from 'assert';
 import nock from 'nock';
 
-import {GaxiosError, GaxiosOptions, request} from '../src';
+import {GaxiosError, GaxiosOptions, request, Gaxios} from '../src';
 
 const assertRejects = require('assert-rejects');
 
@@ -138,6 +138,26 @@ describe('🛸 retry & exponential backoff', () => {
     scope.done();
   });
 
+  it('should retain the baseUrl on retry', async () => {
+    const body = {pumpkin: '🥧'};
+    const url = '/path';
+    const baseUrl = 'http://example.com';
+    const scope = nock(baseUrl)
+      .get(url)
+      .reply(500)
+      .get(url)
+      .reply(200, body);
+    const gaxios = new Gaxios({
+      baseUrl,
+    });
+    const res = await gaxios.request({
+      url,
+      retry: true,
+    });
+    assert.deepStrictEqual(res.data, body);
+    scope.done();
+  });
+
   it('should not retry if retries set to 0', async () => {
     const scope = nock(url)
       .get('/')