✨ Ask for target directory when using `create-project`

doc/03-cli.md

@@ -748,6 +748,7 @@ By default the command checks for the packages on packagist.org.
 * **--ignore-platform-req:** ignore a specific platform requirement(`php`,
   `hhvm`, `lib-*` and `ext-*`) and force the installation even if the local machine
   does not fulfill it.
+* **--ask:** Ask user to provide target directory for new project.
 
 ## dump-autoload (dumpautoload)
 

src/Composer/Command/CreateProjectCommand.php

@@ -84,6 +84,7 @@ class CreateProjectCommand extends BaseCommand
                 new InputOption('no-install', null, InputOption::VALUE_NONE, 'Whether to skip installation of the package dependencies.'),
                 new InputOption('ignore-platform-req', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Ignore a specific platform requirement (php & ext- packages).'),
                 new InputOption('ignore-platform-reqs', null, InputOption::VALUE_NONE, 'Ignore all platform requirements (php & ext- packages).'),
+                new InputOption('ask', null, InputOption::VALUE_NONE, 'Whether to ask for project directory.'),
             ))
             ->setHelp(
                 <<<EOT
@@ -130,6 +131,10 @@ EOT
             $input->setOption('no-plugins', true);
         }
 
+        if ($input->isInteractive() && $input->getOption('ask')) {
+            $input->setArgument('directory', $io->ask('New project directory <comment>[optional]</comment>: '));
+        }
+
         $ignorePlatformReqs = $input->getOption('ignore-platform-reqs') ?: ($input->getOption('ignore-platform-req') ?: false);
 
         return $this->installProject(