From 7f936d7dbc0d70028ede17dc15ff36f842f75c85 Mon Sep 17 00:00:00 2001
From: Marco Sirabella <marco@sirabella.org>
Date: Fri, 30 Oct 2020 08:52:43 -0700
Subject: [PATCH] Ignore failures on preg_match for user supplied regex

Fixes #7440

See: https://stackoverflow.com/a/12941133/6381767
---
 src/Composer/Package/Archiver/BaseExcludeFilter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Package/Archiver/BaseExcludeFilter.php b/src/Composer/Package/Archiver/BaseExcludeFilter.php
index 18fa05404..8e69ed069 100644
--- a/src/Composer/Package/Archiver/BaseExcludeFilter.php
+++ b/src/Composer/Package/Archiver/BaseExcludeFilter.php
@@ -59,7 +59,7 @@ abstract class BaseExcludeFilter
                 $path = $relativePath;
             }
 
-            if (preg_match($pattern, $path)) {
+            if (@preg_match($pattern, $path)) {
                 $exclude = !$negate;
             }
         }