From 8874ca0e5a58c585a10a5092059d40e24d0818c8 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Fri, 21 May 2021 16:58:34 +0200
Subject: [PATCH] Fix regression introduced in
 dd54f295fe859dd76e330994d54a86570f0dc89d

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

diff --git a/src/Composer/Installer/InstallationManager.php b/src/Composer/Installer/InstallationManager.php
index bde96e73a..698b4f995 100644
--- a/src/Composer/Installer/InstallationManager.php
+++ b/src/Composer/Installer/InstallationManager.php
@@ -464,7 +464,7 @@ class InstallationManager
         if ($progress) {
             $progress->clear();
             // ProgressBar in non-decorated output does not output a final line-break and clear() does nothing
-            if ($this->io->isDecorated()) {
+            if (!$this->io->isDecorated()) {
                 $this->io->writeError('');
             }
         }