feat: add version syncing scripts and hooks

package.json

@@ -22,7 +22,9 @@
     "lint": "eslint .",
     "lint:fix": "eslint . --fix",
     "release": "node scripts/release.js",
-    "release:dev": "npm install && npm run build && node scripts/release.js"
+    "release:dev": "npm install && npm run build && node scripts/release.js",
+    "set-version": "node scripts/set-version.js",
+    "version": "node scripts/set-version.js && git add workspace-server/package.json workspace-server/src/index.ts"
   },
   "dependencies": {
     "@google-apps/chat": "^0.21.0",

scripts/release.js

@@ -82,7 +82,8 @@ const main = async () => {
     }
   });
 
-  const version = process.env.GITHUB_REF_NAME || '0.0.1';
+  const packageJson = require('../package.json');
+  const version = process.env.GITHUB_REF_NAME || packageJson.version;
 
   // Generate the gemini-extension.json file
   const geminiExtensionJson = {

scripts/set-version.js

@@ -0,0 +1,60 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+const fs = require('node:fs');
+const path = require('node:path');
+
+const rootDir = path.join(__dirname, '..');
+const packageJsonPath = path.join(rootDir, 'package.json');
+const workspaceServerPackageJsonPath = path.join(rootDir, 'workspace-server', 'package.json');
+const workspaceServerIndexPath = path.join(rootDir, 'workspace-server', 'src', 'index.ts');
+
+const updateJsonFile = (filePath, version) => {
+  const content = JSON.parse(fs.readFileSync(filePath, 'utf8'));
+  content.version = version;
+  fs.writeFileSync(filePath, JSON.stringify(content, null, 2) + '\n');
+  console.log(`Updated ${path.relative(rootDir, filePath)} to version ${version}`);
+};
+
+const updateTsFile = (filePath, version) => {
+  let content = fs.readFileSync(filePath, 'utf8');
+  // Regex to find version: "x.y.z" and replace it
+  // Matches version: "..." or version: '...'
+  const regex = /(version:\s*["'])[^"']*(["'])/;
+
+  if (regex.test(content)) {
+    content = content.replace(regex, `$1${version}$2`);
+    fs.writeFileSync(filePath, content);
+    console.log(`Updated ${path.relative(rootDir, filePath)} to version ${version}`);
+  } else {
+    console.error(`Could not find version string in ${path.relative(rootDir, filePath)}`);
+    process.exit(1);
+  }
+};
+
+const main = () => {
+  let version = process.argv[2];
+
+  if (version) {
+    // If version is provided as arg, update root package.json first
+    updateJsonFile(packageJsonPath, version);
+  } else {
+    // Otherwise read from root package.json
+    const packageJson = require(packageJsonPath);
+    version = packageJson.version;
+    console.log(`Using version from package.json: ${version}`);
+  }
+
+  if (!version) {
+    console.error('No version specified and no version found in package.json');
+    process.exit(1);
+  }
+
+  updateJsonFile(workspaceServerPackageJsonPath, version);
+  updateTsFile(workspaceServerIndexPath, version);
+};
+
+main();