Move config check after config read

src/Composer/Factory.php

@@ -164,6 +164,16 @@ class Factory
             'data-dir' => self::getDataDir($home),
         )));
 
+        // load global config
+        $file = new JsonFile($config->get('home').'/config.json');
+        if ($file->exists()) {
+            if ($io && $io->isDebug()) {
+                $io->writeError('Loading config file ' . $file->getPath());
+            }
+            $config->merge($file->read());
+        }
+        $config->setConfigSource(new JsonConfigSource($file));
+
         $htaccessProtect = (bool) $config->get('htaccess-protect');
         if ($htaccessProtect) {
             // Protect directory against web access. Since HOME could be
@@ -180,16 +190,6 @@ class Factory
             }
         }
 
-        // load global config
-        $file = new JsonFile($config->get('home').'/config.json');
-        if ($file->exists()) {
-            if ($io && $io->isDebug()) {
-                $io->writeError('Loading config file ' . $file->getPath());
-            }
-            $config->merge($file->read());
-        }
-        $config->setConfigSource(new JsonConfigSource($file));
-
         // load global auth file
         $file = new JsonFile($config->get('home').'/auth.json');
         if ($file->exists()) {