Fixed PEAR packages mirroring

Author: Alexander Pravdin

src/Composer/Satis/Command/BuildCommand.php

@@ -384,10 +384,30 @@ private function dumpDownloads(array $config, array &$packages, InputInterface
             $output->writeln(sprintf("<info>Dumping '%s'.</info>", $name));
 
             try {
-                $path = $archiveManager->archive($package, $format, $directory);
+				if ('pear-library' === $package->getType()) {
+					// PEAR packages are archives already
+					$filesystem = new Filesystem();
+					$packageName = $archiveManager->getPackageFilename($package);
+					$path =
+						realpath($directory) . '/' . $packageName . '.' .
+						pathinfo($package->getDistUrl(), PATHINFO_EXTENSION);
+					if (!file_exists($path)) {
+						$downloadDir = sys_get_temp_dir() . '/composer_archiver/' . $packageName;
+						$filesystem->ensureDirectoryExists($downloadDir);
+						$downloadManager->download($package, $downloadDir, false);
+						$filesystem->ensureDirectoryExists($directory);
+						copy($downloadDir . '/' . pathinfo($package->getDistUrl(), PATHINFO_BASENAME), $path);
+						$filesystem->removeDirectory($downloadDir);
+					}
+					// Set archive format to `file` to tell composer to download it as is
+					$archiveFormat = 'file';
+				} else {
+					$path = $archiveManager->archive($package, $format, $directory);
+					$archiveFormat = $format;
+				}
                 $archive = basename($path);
                 $distUrl = sprintf('%s/%s/%s', $endpoint, $config['archive']['directory'], $archive);
-                $package->setDistType($format);
+                $package->setDistType($archiveFormat);
                 $package->setDistUrl($distUrl);
                 $package->setDistSha1Checksum(hash_file('sha1', $path));
                 $package->setDistReference($package->getSourceReference());