demo: Gemini CLI integration

package.json

@@ -104,6 +104,7 @@
     "@google-cloud/cloud-sql-connector": "^1.3.3",
     "@google-cloud/pubsub": "^4.5.0",
     "@inquirer/prompts": "^7.4.0",
+    "@lydell/node-pty": "^1.1.0",
     "@modelcontextprotocol/sdk": "^1.10.2",
     "abort-controller": "^3.0.0",
     "ajv": "^8.17.1",

src/bin/cli.ts

@@ -2,7 +2,7 @@
 import * as clc from "colorette";
 import { markedTerminal } from "marked-terminal";
 import { marked } from "marked";
 marked.use(markedTerminal() as any);
 
 import { CommanderStatic } from "commander";
 import * as fs from "node:fs";
@@ -17,9 +17,11 @@
 
 import { enableExperimentsFromCliEnvVariable } from "../experiments";
 import { fetchMOTD } from "../fetchMOTD";
+import { launchGeminiWithCommand } from "../gemini/cli";
+import { detectProjectRoot } from "../detectProjectRoot";
 
 export function cli(pkg: any) {
   const updateNotifier = updateNotifierPkg({ pkg });
 
   const args = process.argv.slice(2);
   let cmd: CommanderStatic;
@@ -34,7 +36,7 @@
 
   logger.debug("-".repeat(70));
   logger.debug("Command:      ", process.argv.join(" "));
   logger.debug("CLI Version:  ", pkg.version);
   logger.debug("Platform:     ", process.platform);
   logger.debug("Node Version: ", process.version);
   logger.debug("Time:         ", new Date().toString());
@@ -54,7 +56,7 @@
     }
 
     if (code > 0 && process.stdout.isTTY) {
       const lastError = configstore.get("lastError") || 0;
       const timestamp = Date.now();
       if (lastError > timestamp - 120000) {
         let help;
@@ -84,7 +86,7 @@
       const updateMessage =
         `Update available ${clc.gray("{currentVersion}")} → ${clc.green("{latestVersion}")}\n` +
         `To update to the latest version using ${installMethod}, run\n${clc.cyan(updateCommand)}\n` +
         `For other CLI management options, visit the ${marked(
           "[CLI documentation](https://firebase.google.com/docs/cli#update-cli)",
         )}`;
       // `defer: true` would interfere with commands that perform tasks (emulators etc.)
@@ -108,6 +110,36 @@
   });
 
   if (!handlePreviewToggles(args)) {
+    // Check if --with-gemini flag is present
+    const withGeminiIndex = args.indexOf("--with-gemini");
+    if (withGeminiIndex !== -1) {
+      // Remove --with-gemini from args
+      const cleanArgs = [...args];
+      cleanArgs.splice(withGeminiIndex, 1);
+
+      // Extract command and remaining args
+      if (cleanArgs.length === 0) {
+        // No command specified, just show help in Gemini
+        const projectDir = detectProjectRoot({}) || process.cwd();
+        launchGeminiWithCommand("help", [], projectDir, client).catch((err) => {
+          errorOut(err);
+        });
+        return;
+      }
+
+      // Get the command (first non-flag argument)
+      const command = cleanArgs[0];
+      const commandArgs = cleanArgs.slice(1);
+
+      // Launch Gemini with the command context
+      const projectDir = detectProjectRoot({}) || process.cwd();
+      launchGeminiWithCommand(command, commandArgs, projectDir, client).catch((err) => {
+        errorOut(err);
+      });
+      return;
+    }
+
+    // Normal flow without --with-gemini
     // determine if there are any arguments. if not, display help
     if (!args.length) {
       client.cli.help();

src/deploy/index.ts

@@ -5,7 +5,9 @@
 import { includes, each } from "lodash";
 import { needProjectId } from "../projectUtils";
 import { logBullet, logSuccess, consoleUrl, addSubdomain } from "../utils";
+import { logError } from "../logError";
 import { FirebaseError } from "../error";
+import { execSync } from "child_process";
 import { AnalyticsParams, trackGA4 } from "../track";
 import { lifecycleHooks } from "./lifecycleHooks";
 import * as experiments from "../experiments";
@@ -26,6 +28,7 @@
 import { requirePermissions } from "../requirePermissions";
 import { Options } from "../options";
 import { HostingConfig } from "../firebaseConfig";
+import { confirm } from "../prompt";
 
 const TARGETS = {
   hosting: HostingTarget,