From f587237c55bc2ab1cd7bc4165fe967b5463982ff Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Wed, 13 Oct 2021 22:39:47 +0200
Subject: [PATCH] Fix diagnose output when libz is not present for curl, refs
 #10153

---
 src/Composer/Command/DiagnoseCommand.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Command/DiagnoseCommand.php b/src/Composer/Command/DiagnoseCommand.php
index 2fdd99bf2..4f5eefeb3 100644
--- a/src/Composer/Command/DiagnoseCommand.php
+++ b/src/Composer/Command/DiagnoseCommand.php
@@ -413,7 +413,7 @@ EOT
             $version = curl_version();
 
             return '<comment>'.$version['version'].'</comment> '.
-                'libz <comment>'.(isset($version['libz_version']) ? $version['libz_version'] : 'missing').'</comment> '.
+                'libz <comment>'.(!empty($version['libz_version']) ? $version['libz_version'] : 'missing').'</comment> '.
                 'ssl <comment>'.(isset($version['ssl_version']) ? $version['ssl_version'] : 'missing').'</comment>';
         }