Store installed release version as a part of install metadata (#9122)

packages/cli/src/config/extension.ts

@@ -406,8 +406,8 @@ export async function installExtension(
           installMetadata,
           tempDir,
         );
-        updateExtensionVersion(tempDir, tagName);
         installMetadata.type = 'github-release';
+        installMetadata.releaseTag = tagName;
       } catch (_error) {
         await cloneFromGit(installMetadata, tempDir);
         installMetadata.type = 'git';
@@ -503,21 +503,6 @@ export async function installExtension(
   }
 }
 
-async function updateExtensionVersion(
-  extensionDir: string,
-  extensionVersion: string,
-) {
-  const configFilePath = path.join(extensionDir, EXTENSIONS_CONFIG_FILENAME);
-  if (fs.existsSync(configFilePath)) {
-    const configContent = await fs.promises.readFile(configFilePath, 'utf-8');
-    const config = JSON.parse(configContent);
-    config.version = extensionVersion;
-    await fs.promises.writeFile(
-      configFilePath,
-      JSON.stringify(config, null, 2),
-    );
-  }
-}
 async function requestConsent(extensionConfig: ExtensionConfig) {
   const mcpServerEntries = Object.entries(extensionConfig.mcpServers || {});
   if (mcpServerEntries.length) {
@@ -609,6 +594,9 @@ export function toOutputString(extension: Extension): string {
     if (extension.installMetadata.ref) {
       output += `\n Ref: ${extension.installMetadata.ref}`;
     }
+    if (extension.installMetadata.releaseTag) {
+      output += `\n Release tag: ${extension.installMetadata.releaseTag}`;
+    }
   }
   if (extension.contextFiles.length > 0) {
     output += `\n Context files:`;

packages/cli/src/config/extensions/github.ts

@@ -191,7 +191,7 @@ export async function checkForExtensionUpdate(
       setExtensionUpdateState(ExtensionUpdateState.UPDATE_AVAILABLE);
       return;
     } else {
-      const { source, ref } = installMetadata;
+      const { source, releaseTag } = installMetadata;
       if (!source) {
         console.error(`No "source" provided for extension.`);
         setExtensionUpdateState(ExtensionUpdateState.ERROR);
@@ -204,7 +204,7 @@ export async function checkForExtensionUpdate(
         repo,
         installMetadata.ref,
       );
-      if (releaseData.tag_name !== ref) {
+      if (releaseData.tag_name !== releaseTag) {
         setExtensionUpdateState(ExtensionUpdateState.UPDATE_AVAILABLE);
         return;
       }

packages/core/src/config/config.ts

@@ -124,6 +124,7 @@ export interface GeminiCLIExtension {
 export interface ExtensionInstallMetadata {
   source: string;
   type: 'git' | 'local' | 'link' | 'github-release';
+  releaseTag?: string; // Only present for github-release installs.
   ref?: string;
   autoUpdate?: boolean;
 }