Windows: Refactor Shell Scripts to Node.js for Cross-Platform Compatibility (#784)

1 files changed, 126 insertions, 0 deletions

diff --git a/scripts/sandbox_command.js b/scripts/sandbox_command.js
new file mode 100644
index 00000000..7f8e8381
--- /dev/null
+++ b/scripts/sandbox_command.js
@@ -0,0 +1,126 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { execSync } from 'child_process';
+import { existsSync, readFileSync } from 'fs';
+import { join, dirname } from 'path';
+import os from 'os';
+import yargs from 'yargs';
+import { hideBin } from 'yargs/helpers';
+import dotenv from 'dotenv';
+
+const argv = yargs(hideBin(process.argv)).option('q', {
+  alias: 'quiet',
+  type: 'boolean',
+  default: false,
+}).argv;
+
+let geminiSandbox = process.env.GEMINI_SANDBOX;
+
+if (!geminiSandbox) {
+  const userSettingsFile = join(os.homedir(), '.gemini', 'settings.json');
+  if (existsSync(userSettingsFile)) {
+    const settings = JSON.parse(readFileSync(userSettingsFile, 'utf-8'));
+    if (settings.sandbox) {
+      geminiSandbox = settings.sandbox;
+    }
+  }
+}
+
+if (!geminiSandbox) {
+  let currentDir = process.cwd();
+  while (currentDir !== '/') {
+    const geminiEnv = join(currentDir, '.gemini', '.env');
+    const regularEnv = join(currentDir, '.env');
+    if (existsSync(geminiEnv)) {
+      dotenv.config({ path: geminiEnv });
+      break;
+    } else if (existsSync(regularEnv)) {
+      dotenv.config({ path: regularEnv });
+      break;
+    }
+    currentDir = dirname(currentDir);
+  }
+  geminiSandbox = process.env.GEMINI_SANDBOX;
+}
+
+if (process.env.GEMINI_CODE_SANDBOX) {
+  console.warn(
+    'WARNING: GEMINI_CODE_SANDBOX is deprecated. Use GEMINI_SANDBOX instead.',
+  );
+  geminiSandbox = process.env.GEMINI_CODE_SANDBOX;
+}
+
+geminiSandbox = (geminiSandbox || '').toLowerCase();
+
+const commandExists = (cmd) => {
+  const checkCommand = os.platform() === 'win32' ? 'where' : 'command -v';
+  try {
+    execSync(`${checkCommand} ${cmd}`, { stdio: 'ignore' });
+    return true;
+  } catch {
+    if (os.platform() === 'win32') {
+      try {
+        execSync(`${checkCommand} ${cmd}.exe`, { stdio: 'ignore' });
+        return true;
+      } catch {
+        return false;
+      }
+    }
+    return false;
+  }
+};
+
+let command = '';
+if (['1', 'true'].includes(geminiSandbox)) {
+  if (commandExists('docker')) {
+    command = 'docker';
+  } else if (commandExists('podman')) {
+    command = 'podman';
+  } else {
+    console.error(
+      'ERROR: install docker or podman or specify command in GEMINI_SANDBOX',
+    );
+    process.exit(1);
+  }
+} else if (geminiSandbox && !['0', 'false'].includes(geminiSandbox)) {
+  if (commandExists(geminiSandbox)) {
+    command = geminiSandbox;
+  } else {
+    console.error(
+      `ERROR: missing sandbox command '${geminiSandbox}' (from GEMINI_SANDBOX)`,
+    );
+    process.exit(1);
+  }
+} else {
+  if (os.platform() === 'darwin' && process.env.SEATBELT_PROFILE !== 'none') {
+    if (commandExists('sandbox-exec')) {
+      command = 'sandbox-exec';
+    } else {
+      process.exit(1);
+    }
+  } else {
+    process.exit(1);
+  }
+}
+
+if (!argv.q) {
+  console.log(command);
+}
+process.exit(0);