1 files changed, 138 insertions, 0 deletions
diff --git a/packages/cli/src/gemini.tsx b/packages/cli/src/gemini.tsx
new file mode 100644
index 00000000..11875593
--- /dev/null
+++ b/packages/cli/src/gemini.tsx
@@ -0,0 +1,138 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import React from 'react';
+import { render } from 'ink';
+import { App } from './ui/App.js';
+import { loadCliConfig } from './config/config.js';
+import { readStdin } from './utils/readStdin.js';
+import { GeminiClient } from '@gemini-code/server';
+import { readPackageUp } from 'read-package-up';
+import { fileURLToPath } from 'node:url';
+import { dirname } from 'node:path';
+import { sandbox_command, start_sandbox } from './utils/sandbox.js';
+import { loadSettings } from './config/settings.js';
+import { themeManager } from './ui/themes/theme-manager.js';
+import { getStartupWarnings } from './utils/startupWarnings.js';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+async function main() {
+  const settings = loadSettings(process.cwd());
+  const config = await loadCliConfig(settings.merged);
+
+  // warn about deprecated environment variables
+  if (process.env.GEMINI_CODE_MODEL) {
+    console.warn('GEMINI_CODE_MODEL is deprecated. Use GEMINI_MODEL instead.');
+    process.env.GEMINI_MODEL = process.env.GEMINI_CODE_MODEL;
+  }
+  if (process.env.GEMINI_CODE_SANDBOX) {
+    console.warn(
+      'GEMINI_CODE_SANDBOX is deprecated. Use GEMINI_SANDBOX instead.',
+    );
+    process.env.GEMINI_SANDBOX = process.env.GEMINI_CODE_SANDBOX;
+  }
+  if (process.env.GEMINI_CODE_SANDBOX_IMAGE) {
+    console.warn(
+      'GEMINI_CODE_SANDBOX_IMAGE is deprecated. Use GEMINI_SANDBOX_IMAGE_NAME instead.',
+    );
+    process.env.GEMINI_SANDBOX_IMAGE = process.env.GEMINI_CODE_SANDBOX_IMAGE;
+  }
+
+  if (settings.merged.theme) {
+    if (!themeManager.setActiveTheme(settings.merged.theme)) {
+      // If the theme is not found during initial load, log a warning and continue.
+      // The useThemeCommand hook in App.tsx will handle opening the dialog.
+      console.warn(`Warning: Theme "${settings.merged.theme}" not found.`);
+    }
+  }
+
+  // hop into sandbox if we are outside and sandboxing is enabled
+  if (!process.env.SANDBOX) {
+    const sandbox = sandbox_command(config.getSandbox());
+    if (sandbox) {
+      await start_sandbox(sandbox);
+      process.exit(0);
+    }
+  }
+
+  let input = config.getQuestion();
+  const startupWarnings = await getStartupWarnings();
+
+  // Render UI, passing necessary config values. Check that there is no command line question.
+  if (process.stdin.isTTY && input?.length === 0) {
+    const readUpResult = await readPackageUp({ cwd: __dirname });
+    const cliVersion =
+      process.env.CLI_VERSION || readUpResult?.packageJson.version || 'unknown';
+
+    render(
+      <React.StrictMode>
+        <App
+          config={config}
+          settings={settings}
+          cliVersion={cliVersion}
+          startupWarnings={startupWarnings}
+        />
+      </React.StrictMode>,
+    );
+    return;
+  }
+  // If not a TTY, read from stdin
+  // This is for cases where the user pipes input directly into the command
+  if (!process.stdin.isTTY) {
+    input += await readStdin();
+  }
+  if (!input) {
+    console.error('No input provided via stdin.');
+    process.exit(1);
+  }
+
+  // If not a TTY and we have initial input, process it directly
+  const geminiClient = new GeminiClient(config);
+  const chat = await geminiClient.startChat();
+  try {
+    for await (const event of geminiClient.sendMessageStream(chat, [
+      { text: input },
+    ])) {
+      if (event.type === 'content') {
+        process.stdout.write(event.value);
+      }
+      // We might need to handle other event types later, but for now, just content.
+    }
+    process.stdout.write('\n'); // Add a newline at the end
+    process.exit(0);
+  } catch (error) {
+    console.error('Error processing piped input:', error);
+    process.exit(1);
+  }
+}
+
+// --- Global Unhandled Rejection Handler ---
+process.on('unhandledRejection', (reason, _promise) => {
+  // Log other unexpected unhandled rejections as critical errors
+  console.error('=========================================');
+  console.error('CRITICAL: Unhandled Promise Rejection!');
+  console.error('=========================================');
+  console.error('Reason:', reason);
+  console.error('Stack trace may follow:');
+  if (!(reason instanceof Error)) {
+    console.error(reason);
+  }
+  // Exit for genuinely unhandled errors
+  process.exit(1);
+});
+
+// --- Global Entry Point ---
+main().catch((error) => {
+  console.error('An unexpected critical error occurred:');
+  if (error instanceof Error) {
+    console.error(error.message);
+  } else {
+    console.error(String(error));
+  }
+  process.exit(1);
+});