From c36d11d1bca0a85dde6ca4d52bd4aceeb54dbd8f Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Fri, 3 Jun 2022 09:58:31 +0200
Subject: [PATCH] Deprecate "flex-require" sections

---
 src/Flex.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Flex.php b/src/Flex.php
index cae35e33e..cdb52c8be 100644
--- a/src/Flex.php
+++ b/src/Flex.php
@@ -415,6 +415,9 @@ public function update(Event $event, $operations = [])
             if (!isset($json['flex-'.$type])) {
                 continue;
             }
+
+            $this->io->writeError(sprintf('<warning>Using section "flex-%s" in composer.json is deprecated, use "%1$s" instead.</>', $type));
+
             foreach ($json['flex-'.$type] as $package => $constraint) {
                 if ($symfonyVersion && '*' === $constraint && isset($versions['splits'][$package])) {
                     // replace unbounded constraints for symfony/* packages by extra.symfony.require