From 3cc4ccedfe17b329648a4ecdfde38f9afde197ab Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 27 Oct 2025 10:58:53 +0000
Subject: [PATCH] Fix decompression performance by delaying stream wrapping

Co-authored-by: adamhathcock <527620+adamhathcock@users.noreply.github.com>
---
 src/SharpCompress/Archives/ArchiveFactory.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/SharpCompress/Archives/ArchiveFactory.cs b/src/SharpCompress/Archives/ArchiveFactory.cs
index 870092f1..b2d1d362 100644
--- a/src/SharpCompress/Archives/ArchiveFactory.cs
+++ b/src/SharpCompress/Archives/ArchiveFactory.cs
@@ -20,8 +20,9 @@ public static class ArchiveFactory
     public static IArchive Open(Stream stream, ReaderOptions? readerOptions = null)
     {
         readerOptions ??= new ReaderOptions();
+        var factory = FindFactory<IArchiveFactory>(stream);
         stream = new SharpCompressStream(stream, bufferSize: readerOptions.BufferSize);
-        return FindFactory<IArchiveFactory>(stream).Open(stream, readerOptions);
+        return factory.Open(stream, readerOptions);
     }
 
     public static IWritableArchive Create(ArchiveType type)