Optimize builtin copilot extension

ci/build/build-vscode.sh

@@ -108,7 +108,7 @@ EOF
   ) > product.json
 
 
-  VSCODE_QUALITY=stable npm run gulp compile-copilot-extension-build
+  VSCODE_QUALITY=stable npm run gulp compile-copilot-extension-full-build
 
   npm run gulp core-ci
   npm run gulp "vscode-reh-web-$VSCODE_TARGET${MINIFY:+-min}-ci"

patches/copilot.diff

@@ -0,0 +1,163 @@
+Index: code-server/lib/vscode/build/gulpfile.extensions.ts
+===================================================================
+--- code-server.orig/lib/vscode/build/gulpfile.extensions.ts
++++ code-server/lib/vscode/build/gulpfile.extensions.ts
+@@ -287,6 +287,29 @@ export const compileCopilotExtensionBuil
+ gulp.task(compileCopilotExtensionBuildTask);
+
+ /**
++ * Compiles the built-in copilot extension with proper `.vscodeignore` filtering
++ * and materializes native dependency shims (`node-pty`, `ripgrep`).
++ * Produces output equivalent to what CI ships from the pre-built VSIX.
++ *
++ * The result is placed in `.build/extensions/copilot/` and can be copied
++ * directly into a VS Code Insiders installation at:
++ *   `<insiders>/resources/app/extensions/copilot/`
++ */
++export const compileCopilotExtensionFullBuildTask = task.define('compile-copilot-extension-full-build', task.series(
++	// Step 1: Clean previous copilot build output
++	task.define('clean-copilot-build', util.rimraf('.build/extensions/copilot')),
++	// Step 2: Build and package with proper `.vscodeignore` filtering
++	task.define('package-copilot-extension-full', () => ext.packageCopilotExtensionFullStream().pipe(gulp.dest('.build'))),
++	// Step 3: Materialize native dependency shims (`node-pty`, `ripgrep`)
++	task.define('copilot-extension-native-shims', () => {
++		const copilotExtDir = path.join(root, '.build', 'extensions', 'copilot');
++		ext.prepareCopilotExtensionNativeShims(copilotExtDir);
++		return Promise.resolve();
++	})
++));
++gulp.task(compileCopilotExtensionFullBuildTask);
++
++/**
+  * Compiles the extensions for the build.
+  * This is essentially a helper task that combines {@link cleanExtensionsBuildTask}, {@link compileNonNativeExtensionsBuildTask} and {@link compileNativeExtensionsBuildTask}
+  */
+Index: code-server/lib/vscode/build/lib/extensions.ts
+===================================================================
+--- code-server.orig/lib/vscode/build/lib/extensions.ts
++++ code-server/lib/vscode/build/lib/extensions.ts
+@@ -24,6 +24,7 @@ import { getProductionDependencies } fro
+ import { type IExtensionDefinition, getExtensionStream } from './builtInExtensions.ts';
+ import { fetchUrls, fetchGithub } from './fetch.ts';
+ import { createTsgoStream, spawnTsgo } from './tsgo.ts';
++import { prepareBuiltInCopilotExtensionShims } from './copilot.ts';
+ import vzip from 'gulp-vinyl-zip';
+
+ import { createRequire } from 'module';
+@@ -482,6 +483,116 @@ export function packageCopilotExtensionS
+ 	).pipe(util2.setExecutableBit(['**/*.sh']));
+ }
+
++/**
++ * Package the built-in copilot extension as a properly filtered VSIX-equivalent.
++ * Unlike {@link packageCopilotExtensionStream}, this uses vsce.listFiles with
++ * PackageManager.Npm so that .vscodeignore is respected for dependency filtering,
++ * producing output equivalent to what CI ships from the pre-built VSIX.
++ */
++export function packageCopilotExtensionFullStream(): Stream {
++	const vsce = require('@vscode/vsce') as typeof import('@vscode/vsce');
++	const extensionPath = path.join(root, 'extensions', 'copilot');
++	if (!fs.existsSync(extensionPath)) {
++		return es.readArray([]);
++	}
++
++	const esbuildConfigFileName = '.esbuild.ts';
++	const esbuildScript = path.join(extensionPath, esbuildConfigFileName);
++	if (!fs.existsSync(esbuildScript)) {
++		throw new Error(`Copilot esbuild script not found at ${esbuildScript}`);
++	}
++
++	const result = es.through();
++
++	// Step 1: Run esbuild to compile the extension
++	new Promise<void>((resolve, reject) => {
++		const proc = cp.execFile(process.argv[0], [esbuildScript], { cwd: extensionPath }, (error, _stdout, stderr) => {
++			if (error) {
++				return reject(error);
++			}
++			const matches = (stderr || '').match(/\> (.+): error: (.+)?/g);
++			fancyLog(`Bundled extension: ${ansiColors.yellow(path.join('copilot', esbuildConfigFileName))} with ${matches ? matches.length : 0} errors.`);
++			for (const match of matches || []) {
++				fancyLog.error(match);
++			}
++			return resolve();
++		});
++		proc.stdout!.on('data', (data) => {
++			fancyLog(`${ansiColors.green('esbuilding copilot')}: ${data.toString('utf8')}`);
++		});
++	}).then(() => {
++		// Step 2: Use `vsce.listFiles` with Npm package manager so `.vscodeignore`
++		// is applied to both source files AND `node_modules` dependencies.
++		// This is the key difference from `packageCopilotExtensionStream` which
++		// uses `PackageManager.None` and then blindly merges all production deps.
++		return vsce.listFiles({ cwd: extensionPath, packageManager: vsce.PackageManager.Npm });
++	}).then(fileNames => {
++		const files = fileNames
++			.map(fileName => path.join(extensionPath, fileName))
++			.map(filePath => new File({
++				path: filePath,
++				stat: fs.statSync(filePath),
++				base: extensionPath,
++				contents: fs.createReadStream(filePath)
++			}));
++
++		es.readArray(files).pipe(result);
++	}).catch(err => {
++		console.error('Failed to package copilot extension:', err);
++		result.emit('error', err);
++	});
++
++	// Apply the same package.json cleanup as bundled extensions get
++	const cleaned = updateExtensionPackageJSON(
++		result.pipe(rename(p => p.dirname = `extensions/copilot/${p.dirname}`)),
++		(data: any) => {
++			delete data.scripts;
++			delete data.dependencies;
++			delete data.devDependencies;
++			if (data.main) {
++				data.main = data.main.replace('/out/', '/dist/');
++			}
++			return data;
++		}
++	);
++
++	return minifyExtensionResources(cleaned)
++		.pipe(util2.setExecutableBit(['**/*.sh']));
++}
++
++/**
++ * Materializes native dependency shims (`node-pty`, `ripgrep`) into the copilot
++ * extension output at {@link outputDir}. Uses the root `node_modules` as the
++ * source for native binaries, targeting the current platform/arch.
++ *
++ * This is the equivalent of what {@link copyCopilotNativeDepsTask} in
++ * `gulpfile.vscode.ts` does during a full product build, but scoped to
++ * just the standalone copilot extension output.
++ *
++ * Failures are logged as warnings rather than throwing, since the copilot
++ * extension can still create shims at runtime if they are missing.
++ */
++export function prepareCopilotExtensionNativeShims(outputDir: string): void {
++	const platform = process.platform;
++	const arch = process.arch;
++	const appNodeModulesDir = path.join(root, 'node_modules');
++
++	if (!fs.existsSync(outputDir)) {
++		fancyLog.warn('[prepareCopilotExtensionNativeShims] Copilot extension not found at', outputDir, '- skipping shims');
++		return;
++	}
++
++	try {
++		prepareBuiltInCopilotExtensionShims(platform, arch, outputDir, appNodeModulesDir);
++		fancyLog(`[prepareCopilotExtensionNativeShims] Materialized native shims for ${platform}-${arch}`);
++	} catch (err) {
++		// Downgrade to a warning for local builds since the extension
++		// can still function without shims (it creates them at runtime).
++		fancyLog.warn(`[prepareCopilotExtensionNativeShims] Failed to materialize shims: ${err}`);
++		fancyLog.warn('[prepareCopilotExtensionNativeShims] The extension will still work but will create shims at runtime.');
++	}
++}
++
+ export function packageMarketplaceExtensionsStream(forWeb: boolean): Stream {
+ 	const marketplaceExtensionsDescriptions = [
+ 		...builtInExtensions.filter(({ name }) => (forWeb ? !marketplaceWebExtensionsExclude.has(name) : true)),

patches/series

@@ -22,3 +22,4 @@ clipboard.diff
 display-language.diff
 trusted-domains.diff
 signature-verification.diff
+copilot.diff