From 52332d994e2944c72f9d49296932d98b5cbfe68c Mon Sep 17 00:00:00 2001
From: Stephan Vock <stephan.vock@gmail.com>
Date: Fri, 19 Jun 2020 10:24:40 +0100
Subject: [PATCH] GitDriver: use authentication for supports check

---
 src/Composer/Repository/Vcs/GitDriver.php | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/Composer/Repository/Vcs/GitDriver.php b/src/Composer/Repository/Vcs/GitDriver.php
index cc6e3edb4..8c6902298 100644
--- a/src/Composer/Repository/Vcs/GitDriver.php
+++ b/src/Composer/Repository/Vcs/GitDriver.php
@@ -219,8 +219,17 @@ class GitDriver extends VcsDriver
             return false;
         }
 
-        $process = new ProcessExecutor($io);
+        $gitUtil = new GitUtil($io, $config, new ProcessExecutor($io), new Filesystem());
+        GitUtil::cleanEnv();
 
-        return $process->execute('git ls-remote --heads ' . ProcessExecutor::escape($url), $output) === 0;
+        try {
+            $gitUtil->runCommand(function ($url) {
+                return 'git ls-remote --heads ' . ProcessExecutor::escape($url);
+            }, $url, sys_get_temp_dir());
+        } catch (\RuntimeException $e) {
+            return false;
+        }
+
+        return true;
     }
 }