use golang-dl release data

__tests__/installer.test.ts

@@ -43,9 +43,10 @@ describe('installer tests', () => {
 
   describe('the latest release of a go version', () => {
     beforeEach(() => {
-      nock('https://api.github.com')
-        .get('/repos/golang/go/git/refs/tags')
-        .replyWithFile(200, path.join(dataDir, 'golang-tags.json'));
+      nock('https://golang.org')
+        .get('/dl/')
+        .query({mode: 'json', include: 'all'})
+        .replyWithFile(200, path.join(dataDir, 'golang-dl.json'));
     });
 
     afterEach(() => {

lib/installer.js

@@ -186,10 +186,9 @@ function getLatestVersion(version) {
 function getAvailableVersions() {
     return __awaiter(this, void 0, void 0, function* () {
         let rest = new restm.RestClient('setup-go');
-        let tags = (yield rest.get('https://api.github.com/repos/golang/go/git/refs/tags')).result || [];
-        return tags
-            .filter(tag => tag.ref.match(/go\d+\.[\w\.]+/g))
-            .map(tag => tag.ref.replace('refs/tags/go', ''));
+        let tags = (yield rest.get('https://golang.org/dl/?mode=json&include=all'))
+            .result || [];
+        return tags.map(tag => tag.version.replace('go', ''));
     });
 }
 function getPossibleVersions(version) {

src/installer.ts

@@ -187,19 +187,16 @@ async function getLatestVersion(version: string): Promise<string> {
 }
 
 interface IGoRef {
-  ref: string;
+  version: string;
 }
 
 async function getAvailableVersions(): Promise<string[]> {
   let rest: restm.RestClient = new restm.RestClient('setup-go');
   let tags: IGoRef[] =
-    (await rest.get<IGoRef[]>(
-      'https://api.github.com/repos/golang/go/git/refs/tags'
-    )).result || [];
+    (await rest.get<IGoRef[]>('https://golang.org/dl/?mode=json&include=all'))
+      .result || [];
 
-  return tags
-    .filter(tag => tag.ref.match(/go\d+\.[\w\.]+/g))
-    .map(tag => tag.ref.replace('refs/tags/go', ''));
+  return tags.map(tag => tag.version.replace('go', ''));
 }
 
 async function getPossibleVersions(version: string): Promise<string[]> {