remove version properties in export.xml (#3)

Author: wachterjohannes

.gitignore

@@ -1 +1,3 @@
 /vendor/
+.idea
+composer.lock

composer.json

@@ -6,8 +6,9 @@
         "jackalope/jackalope-jackrabbit": "^1.2"
     },
     "require-dev": {
+        "dflydev/embedded-composer": "@dev",
         "nanbando/core": "^0.1|dev-master",
-        "phpunit/phpunit": "^5.3"
+        "phpunit/phpunit": "^6.0"
     },
     "autoload": {
         "psr-4": {

src/JackrabbitPlugin.php

@@ -104,12 +104,27 @@ public function restore(
      */
     private function export(SessionInterface $session, $path, $stream)
     {
+        $memoryStream = \fopen('php://memory', 'w+');
         $session->exportSystemView(
             $path,
-            $stream,
+            $memoryStream,
             true,
             false
         );
+
+        \rewind($memoryStream);
+        $content = \stream_get_contents($memoryStream);
+
+        $document = new \DOMDocument();
+        $document->loadXML($content);
+        $xpath = new \DOMXPath($document);
+        $xpath->registerNamespace('sv', 'http://www.jcp.org/jcr/sv/1.0');
+
+        foreach ($xpath->query('//sv:property[@sv:name="sulu:versions" or @sv:name="jcr:versionHistory" or @sv:name="jcr:baseVersion" or @sv:name="jcr:predecessors" or @sv:name="jcr:isCheckedOut"]') as $element) {
+            $element->parentNode->removeChild($element);
+        }
+
+        \fwrite($stream, $document->saveXML());
     }
 
     /**