fix error with toolcache

dist/setup/index.js

@@ -63234,7 +63234,18 @@ 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, arch, osPlat, manifest);
+            let stableVersion = yield resolveStableVersionInput(versionSpec, arch, osPlat, manifest);
+            if (!stableVersion) {
+                const dlUrl = 'https://golang.org/dl/?mode=json&include=all';
+                let candidates = yield module.exports.getVersionsDist(dlUrl);
+                if (!candidates) {
+                    throw new Error(`golang download url did not return results`);
+                }
+                const fixedCandidates = candidates.map(item => {
+                    return Object.assign(Object.assign({}, item), { version: makeSemver(item.version) });
+                });
+                stableVersion = yield resolveStableVersionInput(versionSpec, arch, osPlat, fixedCandidates);
+            }
         }
         if (checkLatest) {
             core.info('Attempting to resolve the latest version from the manifest...');
@@ -63400,13 +63411,6 @@ function findMatch(versionSpec, arch = os_1.default.arch()) {
         if (!candidates) {
             throw new Error(`golang download url did not return results`);
         }
-        if (versionSpec === utils_1.StableReleaseAlias.Stable ||
-            versionSpec === utils_1.StableReleaseAlias.OldStable) {
-            const fixedCandidates = candidates.map(item => {
-                return Object.assign(Object.assign({}, item), { version: makeSemver(item.version) });
-            });
-            versionSpec = yield resolveStableVersionInput(versionSpec, archFilter, platFilter, fixedCandidates);
-        }
         let goFile;
         for (let i = 0; i < candidates.length; i++) {
             let candidate = candidates[i];
@@ -63480,7 +63484,6 @@ function parseGoVersionFile(versionFilePath) {
 }
 exports.parseGoVersionFile = parseGoVersionFile;
 function resolveStableVersionInput(versionSpec, arch, platform, manifest) {
-    var _a;
     return __awaiter(this, void 0, void 0, function* () {
         const releases = manifest
             .map(item => {
@@ -63493,16 +63496,13 @@ function resolveStableVersionInput(versionSpec, arch, platform, manifest) {
             .filter(item => !!item && !semver.prerelease(item));
         if (versionSpec === utils_1.StableReleaseAlias.Stable) {
             core.info(`stable version resolved as ${releases[0]}`);
-            return (_a = releases[0]) !== null && _a !== void 0 ? _a : versionSpec;
+            return releases[0];
         }
         else {
             const versions = releases.map(release => `${semver.major(release)}.${semver.minor(release)}`);
             const uniqueVersions = Array.from(new Set(versions));
             const oldstableVersion = releases.find(item => item.startsWith(uniqueVersions[1]));
             core.info(`oldstable version resolved as ${oldstableVersion}`);
-            if (!oldstableVersion) {
-                return versionSpec;
-            }
             return oldstableVersion;
         }
     });

src/installer.ts

@@ -44,12 +44,36 @@ export async function getGo(
     versionSpec === StableReleaseAlias.OldStable
   ) {
     manifest = await getManifest(auth);
-    versionSpec = await resolveStableVersionInput(
+    let stableVersion = await resolveStableVersionInput(
       versionSpec,
       arch,
       osPlat,
       manifest
     );
+
+    if (!stableVersion) {
+      const dlUrl: string = 'https://golang.org/dl/?mode=json&include=all';
+      let candidates:
+        | IGoVersion[]
+        | null = await module.exports.getVersionsDist(dlUrl);
+      if (!candidates) {
+        throw new Error(`golang download url did not return results`);
+      }
+
+      const fixedCandidates = candidates.map(item => {
+        return {
+          ...item,
+          version: makeSemver(item.version)
+        };
+      });
+
+      stableVersion = await resolveStableVersionInput(
+        versionSpec,
+        arch,
+        osPlat,
+        fixedCandidates
+      );
+    }
   }
 
   if (checkLatest) {
@@ -267,24 +291,6 @@ export async function findMatch(
     throw new Error(`golang download url did not return results`);
   }
 
-  if (
-    versionSpec === StableReleaseAlias.Stable ||
-    versionSpec === StableReleaseAlias.OldStable
-  ) {
-    const fixedCandidates = candidates.map(item => {
-      return {
-        ...item,
-        version: makeSemver(item.version)
-      };
-    });
-    versionSpec = await resolveStableVersionInput(
-      versionSpec,
-      archFilter,
-      platFilter,
-      fixedCandidates
-    );
-  }
-
   let goFile: IGoVersionFile | undefined;
   for (let i = 0; i < candidates.length; i++) {
     let candidate: IGoVersion = candidates[i];
@@ -378,7 +384,7 @@ export async function resolveStableVersionInput(
   arch: string,
   platform: string,
   manifest: tc.IToolRelease[] | IGoVersion[]
-): Promise<string> {
+) {
   const releases = manifest
     .map(item => {
       const index = item.files.findIndex(
@@ -394,7 +400,7 @@ export async function resolveStableVersionInput(
   if (versionSpec === StableReleaseAlias.Stable) {
     core.info(`stable version resolved as ${releases[0]}`);
 
-    return releases[0] ?? versionSpec;
+    return releases[0];
   } else {
     const versions = releases.map(
       release => `${semver.major(release)}.${semver.minor(release)}`
@@ -407,10 +413,6 @@ export async function resolveStableVersionInput(
 
     core.info(`oldstable version resolved as ${oldstableVersion}`);
 
-    if (!oldstableVersion) {
-      return versionSpec;
-    }
-
     return oldstableVersion;
   }
 }