gemini-cli/scripts/build.js

/**
 * @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 'node:child_process';
import { existsSync, writeFileSync, readdirSync, statSync } from 'node:fs';
import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = dirname(fileURLToPath(import.meta.url));
const root = join(__dirname, '..');

// npm install if node_modules was removed (e.g. via npm run clean or scripts/clean.js)
if (!existsSync(join(root, 'node_modules'))) {
  execSync('npm install', { stdio: 'inherit', cwd: root });
}

// build all workspaces/packages
console.log('Generating commit info...');
execSync('npm run generate', { stdio: 'inherit', cwd: root });

console.log('Building TypeScript packages (incremental)...');
execSync('npx tsc -b', { stdio: 'inherit', cwd: root });

console.log(
  'Running asset copy and package-specific build steps in parallel...',
);
execSync('npx npm-run-all --parallel build:assets build:clients build:devs', {
  stdio: 'inherit',
  cwd: root,
});

// also build container image if sandboxing is enabled
// skip (-s) npm install + build since we did that above
try {
  execSync('node scripts/sandbox_command.js -q', {
    stdio: 'inherit',
    cwd: root,
  });
  if (
    process.env.BUILD_SANDBOX === '1' ||
    process.env.BUILD_SANDBOX === 'true'
  ) {
    execSync('node scripts/build_sandbox.js -s', {
      stdio: 'inherit',
      cwd: root,
    });
  }
} catch {
  // ignore
}

// Final step: update the .last_build timestamp for all packages to ensure
// they are newer than any files modified during the build (like git-commit.ts).
console.log('Updating build timestamps...');
const packagesDir = join(root, 'packages');
const packages = readdirSync(packagesDir);
for (const pkg of packages) {
  const distDir = join(packagesDir, pkg, 'dist');
  if (existsSync(distDir) && statSync(distDir).isDirectory()) {
    writeFileSync(join(distDir, '.last_build'), '');
  }
}