From 73251691a0be65440c722461cb38f8574cea0c25 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Sat, 28 Mar 2020 20:36:37 +0100
Subject: [PATCH] Avoid emptying the directory before extracting an archive
 into it, check that it is empty instead

---
 src/Composer/Downloader/ArchiveDownloader.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Downloader/ArchiveDownloader.php b/src/Composer/Downloader/ArchiveDownloader.php
index be863f1d3..0233d5b14 100644
--- a/src/Composer/Downloader/ArchiveDownloader.php
+++ b/src/Composer/Downloader/ArchiveDownloader.php
@@ -38,7 +38,10 @@ abstract class ArchiveDownloader extends FileDownloader
             $this->io->writeError('Extracting archive', false);
         }
 
-        $this->filesystem->emptyDirectory($path);
+        $this->filesystem->ensureDirectoryExists($path);
+        if (!$this->filesystem->isDirEmpty($path)) {
+            throw new \RuntimeException('Expected empty path to extract '.$package.' into but directory exists: '.$path);
+        }
 
         $temporaryDir = $this->config->get('vendor-dir').'/composer/'.substr(md5(uniqid('', true)), 0, 8);
         $fileName = $this->getFileName($package, $path);