Remove unnecessary fetching of manifest

dist/setup/index.js

@@ -63234,7 +63234,7 @@ function getGo(versionSpec, checkLatest, auth, arch = os_1.default.arch()) {
         if (versionSpec === utils_1.StableReleaseAlias.Stable ||
             versionSpec === utils_1.StableReleaseAlias.OldStable) {
             manifest = yield getManifest(auth);
-            versionSpec = yield resolveStableVersionInput(versionSpec, auth, arch, manifest);
+            versionSpec = yield resolveStableVersionInput(versionSpec, arch, manifest);
         }
         if (checkLatest) {
             core.info('Attempting to resolve the latest version from the manifest...');
@@ -63405,7 +63405,7 @@ function findMatch(versionSpec, arch = os_1.default.arch()) {
             const fixedCandidates = candidates.map(item => {
                 return Object.assign(Object.assign({}, item), { version: makeSemver(item.version) });
             });
-            versionSpec = yield resolveStableVersionInput(versionSpec, undefined, archFilter, fixedCandidates);
+            versionSpec = yield resolveStableVersionInput(versionSpec, archFilter, fixedCandidates);
         }
         let goFile;
         for (let i = 0; i < candidates.length; i++) {
@@ -63479,13 +63479,9 @@ function parseGoVersionFile(versionFilePath) {
     return contents.trim();
 }
 exports.parseGoVersionFile = parseGoVersionFile;
-function resolveStableVersionInput(versionSpec, auth, arch = os_1.default.arch(), manifest) {
+function resolveStableVersionInput(versionSpec, arch = os_1.default.arch(), manifest) {
     var _a;
     return __awaiter(this, void 0, void 0, function* () {
-        if (!manifest) {
-            core.debug('No manifest cached');
-            manifest = yield getManifest(auth);
-        }
         const releases = manifest
             .map(item => {
             const index = item.files.findIndex(item => item.arch === arch);

src/installer.ts

@@ -44,12 +44,7 @@ export async function getGo(
     versionSpec === StableReleaseAlias.OldStable
   ) {
     manifest = await getManifest(auth);
-    versionSpec = await resolveStableVersionInput(
-      versionSpec,
-      auth,
-      arch,
-      manifest
-    );
+    versionSpec = await resolveStableVersionInput(versionSpec, arch, manifest);
   }
 
   if (checkLatest) {
@@ -276,7 +271,6 @@ export async function findMatch(
     });
     versionSpec = await resolveStableVersionInput(
       versionSpec,
-      undefined,
       archFilter,
       fixedCandidates
     );
@@ -372,15 +366,9 @@ export function parseGoVersionFile(versionFilePath: string): string {
 
 export async function resolveStableVersionInput(
   versionSpec: string,
-  auth: string | undefined,
   arch = os.arch(),
-  manifest: tc.IToolRelease[] | IGoVersion[] | undefined
+  manifest: tc.IToolRelease[] | IGoVersion[]
 ): Promise<string> {
-  if (!manifest) {
-    core.debug('No manifest cached');
-    manifest = await getManifest(auth);
-  }
-
   const releases = manifest
     .map(item => {
       const index = item.files.findIndex(item => item.arch === arch);