From 9ca74576985b8f8a77d5d676255281fe872ed1ac Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 13 Oct 2020 16:18:28 +0200
Subject: [PATCH] Check whether remove command successfully removed the target
 packages, fixes #6998

---
 src/Composer/Command/RemoveCommand.php | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/Composer/Command/RemoveCommand.php b/src/Composer/Command/RemoveCommand.php
index ab1962f6b..d761930af 100644
--- a/src/Composer/Command/RemoveCommand.php
+++ b/src/Composer/Command/RemoveCommand.php
@@ -209,9 +209,9 @@ EOT
                 'require' => $rootPackage->getRequires(),
                 'require-dev' => $rootPackage->getDevRequires(),
             );
-            foreach ($toRemove as $type => $packages) {
-                foreach ($packages as $package) {
-                    unset($links[$type][$package]);
+            foreach ($toRemove as $type => $names) {
+                foreach ($names as $name) {
+                    unset($links[$type][$name]);
                 }
             }
             $rootPackage->setRequires($links['require']);
@@ -266,6 +266,15 @@ EOT
             file_put_contents($jsonFile->getPath(), $composerBackup);
         }
 
+        if (!$dryRun) {
+            foreach ($packages as $package) {
+                if ($composer->getRepositoryManager()->getLocalRepository()->findPackages($package)) {
+                    $io->writeError('<error>Removal failed, '.$package.' is still present, it may be required by another package. See `composer why '.$package.'`.</error>');
+                    return 2;
+                }
+            }
+        }
+
         return $status;
     }
 }