Merge branch '7.2' into 7.3

* 7.2:
  [HttpClient] Close gracefull when the server closes the connection abruptly
  ensure that tests are run with lowest supported Serializer versions
  read runtime config from composer.json in debug dotenv command

Author: nicolas-grekas

src/Symfony/Component/Dotenv/Command/DebugCommand.php

@@ -77,7 +77,19 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             return 1;
         }
 
-        $filePath = $_SERVER['SYMFONY_DOTENV_PATH'] ?? $this->projectDirectory.\DIRECTORY_SEPARATOR.'.env';
+        if (!$filePath = $_SERVER['SYMFONY_DOTENV_PATH'] ?? null) {
+            $dotenvPath = $this->projectDirectory;
+
+            if (is_file($composerFile = $this->projectDirectory.'/composer.json')) {
+                $runtimeConfig = (json_decode(file_get_contents($composerFile), true))['extra']['runtime'] ?? [];
+
+                if (isset($runtimeConfig['dotenv_path'])) {
+                    $dotenvPath = $this->projectDirectory.'/'.$runtimeConfig['dotenv_path'];
+                }
+            }
+
+            $filePath = $dotenvPath.'/.env';
+        }
 
         $envFiles = $this->getEnvFiles($filePath);
         $availableFiles = array_filter($envFiles, 'is_file');

src/Symfony/Component/HttpClient/Response/CurlResponse.php

@@ -323,7 +323,7 @@ private static function perform(ClientState $multi, ?array &$responses = null):
                 }
 
                 $multi->handlesActivity[$id][] = null;
-                $multi->handlesActivity[$id][] = \in_array($result, [\CURLE_OK, \CURLE_TOO_MANY_REDIRECTS], true) || '_0' === $waitFor || curl_getinfo($ch, \CURLINFO_SIZE_DOWNLOAD) === curl_getinfo($ch, \CURLINFO_CONTENT_LENGTH_DOWNLOAD) ? null : new TransportException(ucfirst(curl_error($ch) ?: curl_strerror($result)).\sprintf(' for "%s".', curl_getinfo($ch, \CURLINFO_EFFECTIVE_URL)));
+                $multi->handlesActivity[$id][] = \in_array($result, [\CURLE_OK, \CURLE_TOO_MANY_REDIRECTS], true) || '_0' === $waitFor || curl_getinfo($ch, \CURLINFO_SIZE_DOWNLOAD) === curl_getinfo($ch, \CURLINFO_CONTENT_LENGTH_DOWNLOAD) || (curl_error($ch) === 'OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 0' && -1.0 === curl_getinfo($ch, \CURLINFO_CONTENT_LENGTH_DOWNLOAD) && \in_array('close', array_map('strtolower', $responses[$id]->headers['connection']), true)) ? null : new TransportException(ucfirst(curl_error($ch) ?: curl_strerror($result)).\sprintf(' for "%s".', curl_getinfo($ch, \CURLINFO_EFFECTIVE_URL)));
             }
         } finally {
             $multi->performing = false;