Function configurePortable

src/bootstrap-node.ts:133–190

(product: Partial<IProductConfiguration>)

 * Helper to enable portable mode.
 */
export function configurePortable(product: Partial<IProductConfiguration>): { portableDataPath: string; isPortable: boolean } {
	const appRoot = path.dirname(import.meta.dirname);

	function getApplicationPath(): string {
		if (process.env['VSCODE_DEV']) {
			return appRoot;
		}

		if (process.platform === 'darwin') {
			return path.dirname(path.dirname(path.dirname(appRoot)));
		}

		// appRoot = ..\Microsoft VS Code Insiders\<version>\resources\app
		if (process.platform === 'win32' && product.win32VersionedUpdate) {
			return path.dirname(path.dirname(path.dirname(appRoot)));
		}

		return path.dirname(path.dirname(appRoot));
	}

	function getPortableDataPath(): string {
		if (process.env['VSCODE_PORTABLE']) {
			return process.env['VSCODE_PORTABLE'];
		}

		if (process.platform === 'win32' || process.platform === 'linux') {
			return path.join(getApplicationPath(), 'data');
		}

		const portableDataName = product.portable || `${product.applicationName}-portable-data`;
		return path.join(path.dirname(getApplicationPath()), portableDataName);
	}

	const portableDataPath = getPortableDataPath();
	const isPortable = !('target' in product) && fs.existsSync(portableDataPath);
	const portableTempPath = path.join(portableDataPath, 'tmp');
	const isTempPortable = isPortable && fs.existsSync(portableTempPath);

	if (isPortable) {
		process.env['VSCODE_PORTABLE'] = portableDataPath;
	} else {
		delete process.env['VSCODE_PORTABLE'];
	}

	if (isTempPortable) {
		if (process.platform === 'win32') {
			process.env['TMP'] = portableTempPath;
			process.env['TEMP'] = portableTempPath;
		} else {
			process.env['TMPDIR'] = portableTempPath;
		}
	}

	return {
		portableDataPath,
		isPortable
	};
}