diff --git a/composer.lock b/composer.lock
index 768b822b5..690aca23e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -187,16 +187,16 @@
         },
         {
             "name": "composer/xdebug-handler",
-            "version": "1.1.0",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/xdebug-handler.git",
-                "reference": "c919dc6c62e221fc6406f861ea13433c0aa24f08"
+                "reference": "e1809da56ce1bd1b547a752936817341ac244d8e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/c919dc6c62e221fc6406f861ea13433c0aa24f08",
-                "reference": "c919dc6c62e221fc6406f861ea13433c0aa24f08",
+                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/e1809da56ce1bd1b547a752936817341ac244d8e",
+                "reference": "e1809da56ce1bd1b547a752936817341ac244d8e",
                 "shasum": ""
             },
             "require": {
@@ -227,7 +227,7 @@
                 "Xdebug",
                 "performance"
             ],
-            "time": "2018-04-11T15:42:36+00:00"
+            "time": "2018-08-16T10:54:23+00:00"
         },
         {
             "name": "justinrainbow/json-schema",
diff --git a/src/Composer/Command/CreateProjectCommand.php b/src/Composer/Command/CreateProjectCommand.php
index a7cc6650b..cca5f1871 100644
--- a/src/Composer/Command/CreateProjectCommand.php
+++ b/src/Composer/Command/CreateProjectCommand.php
@@ -345,10 +345,6 @@ EOT
             $package = $package->getAliasOf();
         }
 
-        if (0 === strpos($package->getPrettyVersion(), 'dev-') && in_array($package->getSourceType(), array('git', 'hg'))) {
-            $package->setSourceReference(substr($package->getPrettyVersion(), 4));
-        }
-
         $dm = $this->createDownloadManager($io, $config);
         $dm->setPreferSource($preferSource)
             ->setPreferDist($preferDist)
diff --git a/src/Composer/Command/GlobalCommand.php b/src/Composer/Command/GlobalCommand.php
index 9e87c7e17..e13b8aaf2 100644
--- a/src/Composer/Command/GlobalCommand.php
+++ b/src/Composer/Command/GlobalCommand.php
@@ -13,6 +13,7 @@
 namespace Composer\Command;
 
 use Composer\Factory;
+use Composer\Util\Filesystem;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\StringInput;
@@ -75,8 +76,22 @@ EOT
 
         // change to global dir
         $config = Factory::createConfig();
-        chdir($config->get('home'));
-        $this->getIO()->writeError('<info>Changed current directory to '.$config->get('home').'</info>');
+        $home = $config->get('home');
+
+        if (!is_dir($home)) {
+            $fs = new Filesystem();
+            $fs->ensureDirectoryExists($home);
+            if (!is_dir($home)) {
+                throw new \RuntimeException('Could not create home directory');
+            }
+        }
+
+        try {
+            chdir($home);
+        } catch (\Exception $e) {
+            throw new \RuntimeException('Could not switch to home directory "'.$home.'"', 0, $e);
+        }
+        $this->getIO()->writeError('<info>Changed current directory to '.$home.'</info>');
 
         // create new input without "global" command prefix
         $input = new StringInput(preg_replace('{\bg(?:l(?:o(?:b(?:a(?:l)?)?)?)?)?\b}', '', $input->__toString(), 1));