From 0db48b4f2e84ae4f177189e6a21383eabd26ea1a Mon Sep 17 00:00:00 2001
From: Rob Bast <rob.bast@gmail.com>
Date: Mon, 23 Jul 2018 07:53:12 +0200
Subject: [PATCH] addendum to #7428

---
 src/Composer/Repository/ArtifactRepository.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Composer/Repository/ArtifactRepository.php b/src/Composer/Repository/ArtifactRepository.php
index 374f04cea..2383b2dd3 100644
--- a/src/Composer/Repository/ArtifactRepository.php
+++ b/src/Composer/Repository/ArtifactRepository.php
@@ -129,11 +129,15 @@ class ArtifactRepository extends ArrayRepository implements ConfigurableReposito
         $zip->open($file->getPathname());
 
         if (0 == $zip->numFiles) {
+            $zip->close();
+
             return false;
         }
 
         $foundFileIndex = $this->locateFile($zip, 'composer.json');
         if (false === $foundFileIndex) {
+            $zip->close();
+
             return false;
         }