Add notice about binaries not being updated yet

__tests__/official-installer.test.ts

@@ -357,6 +357,41 @@ describe('setup-node', () => {
     expect(cnSpy).toHaveBeenCalledWith(`::error::${errMsg}${osm.EOL}`);
   });
 
+  it('reports when download failed but version exists', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    // a version which is not in the manifest but is in node dist
+    const versionSpec = '11.15.0';
+
+    inputs['node-version'] = versionSpec;
+    inputs['always-auth'] = false;
+    inputs['token'] = 'faketoken';
+
+    // ... but not in the local cache
+    findSpy.mockImplementation(() => '');
+
+    dlSpy.mockImplementationOnce(async () => {
+      throw new tc.HTTPError(404);
+    });
+
+    await main.run();
+
+    expect(getManifestSpy).toHaveBeenCalled();
+    expect(logSpy).toHaveBeenCalledWith(
+      `Attempting to download ${versionSpec}...`
+    );
+    expect(logSpy).toHaveBeenCalledWith(
+      'Not found in manifest. Falling back to download directly from Node'
+    );
+    expect(dlSpy).toHaveBeenCalled();
+    expect(logSpy).toHaveBeenCalledWith(
+      `Node version ${versionSpec} for platform ${os.platform} and architecture ${os.arch} was found but failed to download. ` +
+        'This usually happens when downloadable binaries are not fully updated at https://nodejs.org/. ' +
+        'To resolve this issue you may either fall back to the older version or try again later.'
+    );
+  });
+
   it('acquires specified architecture of node', async () => {
     for (const {arch, version, osSpec} of [
       {arch: 'x86', version: '12.16.2', osSpec: 'win32'},

src/distributions/official_builds/official_builds.ts

@@ -18,6 +18,7 @@ export default class OfficialBuilds extends BaseDistribution {
     let manifest: tc.IToolRelease[] | undefined;
     let nodeJsVersions: INodeVersion[] | undefined;
     const osArch = this.translateArchToDistUrl(this.nodeInfo.arch);
+
     if (this.isLtsAlias(this.nodeInfo.versionSpec)) {
       core.info('Attempt to resolve LTS alias from manifest...');
 
@@ -61,7 +62,10 @@ export default class OfficialBuilds extends BaseDistribution {
 
     if (toolPath) {
       core.info(`Found in cache @ ${toolPath}`);
-    } else {
+      this.addToolPath(toolPath);
+      return;
+    }
+
     let downloadPath = '';
     try {
       core.info(`Attempting to download ${this.nodeInfo.versionSpec}...`);
@@ -72,6 +76,7 @@ export default class OfficialBuilds extends BaseDistribution {
         osArch,
         manifest
       );
+
       if (versionInfo) {
         core.info(
           `Acquiring ${versionInfo.resolvedVersion} - ${versionInfo.arch} from ${versionInfo.downloadUrl}`
@@ -107,24 +112,51 @@ export default class OfficialBuilds extends BaseDistribution {
     }
 
     if (!toolPath) {
+      toolPath = await this.downloadDirectlyFromNode();
+    }
+
+    if (this.osPlat != 'win32') {
+      toolPath = path.join(toolPath, 'bin');
+    }
+
+    core.addPath(toolPath);
+  }
+
+  protected addToolPath(toolPath: string) {
+    if (this.osPlat != 'win32') {
+      toolPath = path.join(toolPath, 'bin');
+    }
+
+    core.addPath(toolPath);
+  }
+
+  protected async downloadDirectlyFromNode() {
     const nodeJsVersions = await this.getNodeJsVersions();
     const versions = this.filterVersions(nodeJsVersions);
     const evaluatedVersion = this.evaluateVersions(versions);
+
     if (!evaluatedVersion) {
       throw new Error(
         `Unable to find Node version '${this.nodeInfo.versionSpec}' for platform ${this.osPlat} and architecture ${this.nodeInfo.arch}.`
       );
     }
+
     const toolName = this.getNodejsDistInfo(evaluatedVersion);
-        toolPath = await this.downloadNodejs(toolName);
-      }
-    }
 
-    if (this.osPlat != 'win32') {
-      toolPath = path.join(toolPath, 'bin');
+    try {
+      const toolPath = await this.downloadNodejs(toolName);
+      return toolPath;
+    } catch (error) {
+      if (error instanceof tc.HTTPError && error.httpStatusCode === 404) {
+        core.info(
+          `Node version ${this.nodeInfo.versionSpec} for platform ${this.osPlat} and architecture ${this.nodeInfo.arch} was found but failed to download. ` +
+            'This usually happens when downloadable binaries are not fully updated at https://nodejs.org/. ' +
+            'To resolve this issue you may either fall back to the older version or try again later.'
+        );
       }
 
-    core.addPath(toolPath);
+      throw error;
+    }
   }
 
   protected evaluateVersions(versions: string[]): string {