diff --git a/composer.json b/composer.json
index a787820c28..261585caac 100644
--- a/composer.json
+++ b/composer.json
@@ -39,12 +39,14 @@
     },
     "autoload": {
         "classmap": [
-            "scripts/composer/ScriptHandler.php"
+            "scripts/composer/ScriptHandler.php",
+            "scripts/composer/Setup.php"
         ],
         "files": ["load.environment.php"]
     },
     "scripts": {
         "drupal-scaffold": "DrupalComposer\\DrupalScaffold\\Plugin::scaffold",
+        "setup": "DrupalProject\\composer\\Setup::setup",
         "pre-install-cmd": [
             "DrupalProject\\composer\\ScriptHandler::checkComposerVersion"
         ],
@@ -56,6 +58,9 @@
         ],
         "post-update-cmd": [
             "DrupalProject\\composer\\ScriptHandler::createRequiredFiles"
+        ],
+        "post-root-package-install": [
+            "@setup"
         ]
     },
     "extra": {
diff --git a/scripts/composer/Setup.php b/scripts/composer/Setup.php
new file mode 100644
index 0000000000..9cfcf6995c
--- /dev/null
+++ b/scripts/composer/Setup.php
@@ -0,0 +1,69 @@
+<?php
+
+namespace DrupalProject\composer;
+
+use Composer\Json\JsonFile;
+use Composer\Script\Event;
+use Symfony\Component\Filesystem\Filesystem;
+
+class Setup {
+
+  public static function setup(Event $event) {
+    $jsonFile = new JsonFile($event->getComposer()
+      ->getConfig()
+      ->getConfigSource()
+      ->getName());
+    $config = $jsonFile->read();
+    $fs = new Filesystem();
+    $drupalRoot = $event->getIO()->ask('<info>Customize Drupal root path?</info> [<comment>web</comment>]? ', 'web');
+    if ($drupalRoot !== 'web') {
+      $drupalRoot = rtrim($drupalRoot, '/');
+      $gitIgnore = file_get_contents('.gitignore');
+      $gitIgnore = preg_replace('/' . preg_quote('web/', '/') . '/', $drupalRoot . '/', $gitIgnore);
+      if (isset($config['extra']['installer-paths'])) {
+        $installer_paths = [];
+        foreach ($config['extra']['installer-paths'] as $path => $spec) {
+          $newPath = preg_replace('/' . preg_quote('web/', '/') . '/', $drupalRoot . '/', $path);
+          $installer_paths[$newPath] = $spec;
+        }
+        $config['extra']['installer-paths'] = $installer_paths;
+      }
+      $fs->dumpFile('.gitignore', $gitIgnore);
+    }
+    if ($event->getIO()->askConfirmation('<info>Remove dotenv?</info> [<comment>y,N</comment>]? ', TRUE)) {
+      $fs->remove(['.env.example', 'load.environment.php']);
+      if (!empty($config['autoload']['files'])) {
+        $config['autoload']['files'] = array_diff($config['autoload']['files'], ['load.environment.php']);
+        if (empty($config['autoload']['files'])) {
+          unset($config['autoload']['files']);
+        }
+      }
+      unset($config['require']['vlucas/phpdotenv']);
+      unset($config['require-dev']['vlucas/phpdotenv']);
+    }
+    if ($event->getIO()->askConfirmation('<info>Remove drush?</info> [<comment>y,N</comment>]? ', FALSE)) {
+      unset($config['require']['drush/drush']);
+      unset($config['require-dev']['drush/drush']);
+    }
+    if ($event->getIO()->askConfirmation('<info>Remove drupal-console?</info> [<comment>y,N</comment>]? ', FALSE)) {
+      unset($config['require']['drupal/console']);
+      unset($config['require-dev']['drupal/console']);
+    }
+    if ($event->getIO()->askConfirmation('<info>Remove the installer and other scaffold files?</info> [<comment>y,N</comment>]? ', FALSE)) {
+      unset($config['scripts']['setup']);
+      $config['autoload']['classmap'] = array_diff($config['autoload']['classmap'], ['scripts/composer/Setup.php']);
+      $config['scripts']['post-root-package-install'] = array_diff($config['scripts']['post-root-package-install'], ['@setup']);
+      if (empty($config['scripts']['post-root-package-install'])) {
+        unset($config['scripts']['post-root-package-install']);
+      }
+      $fs->remove([
+        '.travis.yml',
+        'phpunit.xml.dist',
+        'scripts/composer/Setup.php',
+      ]);
+    }
+    $jsonFile->write($config);
+    return TRUE;
+  }
+
+}