From d67953266f2aae4d4f23447b654494d32e112fbe Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 15 Mar 2022 11:03:53 +0100
Subject: [PATCH] Do not read require-dev except for the root package when
 sorting packages

---
 src/Composer/Util/PackageSorter.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Util/PackageSorter.php b/src/Composer/Util/PackageSorter.php
index df2d89a4b..01aabfc74 100644
--- a/src/Composer/Util/PackageSorter.php
+++ b/src/Composer/Util/PackageSorter.php
@@ -13,6 +13,7 @@
 namespace Composer\Util;
 
 use Composer\Package\PackageInterface;
+use Composer\Package\RootPackageInterface;
 
 class PackageSorter
 {
@@ -29,7 +30,11 @@ class PackageSorter
         $usageList = array();
 
         foreach ($packages as $package) {
-            foreach (array_merge($package->getRequires(), $package->getDevRequires()) as $link) {
+            $links = $package->getRequires();
+            if ($package instanceof RootPackageInterface) {
+                $links = array_merge($links, $package->getDevRequires());
+            }
+            foreach ($links as $link) {
                 $target = $link->getTarget();
                 $usageList[$target][] = $package->getName();
             }