Expose no autoloader option to update command

src/Composer/Command/UpdateCommand.php

@@ -41,6 +41,7 @@ class UpdateCommand extends Command
                 new InputOption('lock', null, InputOption::VALUE_NONE, 'Only updates the lock file hash to suppress warning about the lock file being out of date.'),
                 new InputOption('no-plugins', null, InputOption::VALUE_NONE, 'Disables all plugins.'),
                 new InputOption('no-custom-installers', null, InputOption::VALUE_NONE, 'DEPRECATED: Use no-plugins instead.'),
+                new InputOption('no-autoloader', null, InputOption::VALUE_NONE, 'Skips autoloader generation'),
                 new InputOption('no-scripts', null, InputOption::VALUE_NONE, 'Skips the execution of all scripts defined in composer.json file.'),
                 new InputOption('no-progress', null, InputOption::VALUE_NONE, 'Do not output download progress.'),
                 new InputOption('with-dependencies', null, InputOption::VALUE_NONE, 'Add also all dependencies of whitelisted packages to the whitelist.'),
@@ -115,6 +116,7 @@ EOT
             ->setPreferSource($preferSource)
             ->setPreferDist($preferDist)
             ->setDevMode(!$input->getOption('no-dev'))
+            ->setRunAutoloader(!$input->getOption('no-autoloader'))
             ->setRunScripts(!$input->getOption('no-scripts'))
             ->setOptimizeAutoloader($optimize)
             ->setUpdate(true)