From 99c6b450e6043cf614470afb99d0c3c1a586cc0d Mon Sep 17 00:00:00 2001
From: Alexander Schranz <alexander@sulu.io>
Date: Thu, 2 Sep 2021 19:17:17 +0200
Subject: [PATCH] Check for returned link header in GithubDriver

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

diff --git a/src/Composer/Repository/Vcs/GitHubDriver.php b/src/Composer/Repository/Vcs/GitHubDriver.php
index e7d84a078fe3..af0ef59da177 100644
--- a/src/Composer/Repository/Vcs/GitHubDriver.php
+++ b/src/Composer/Repository/Vcs/GitHubDriver.php
@@ -575,6 +575,10 @@ protected function setupGitDriver($url)
     protected function getNextPage(Response $response)
     {
         $header = $response->getHeader('link');
+        
+        if (!$header) {
+            return;
+        }
 
         $links = explode(',', $header);
         foreach ($links as $link) {