From 7d032e5c0d1ded084a0fca2df69a8d53bfe38a25 Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Mon, 8 Nov 2021 23:33:37 +0100
Subject: [PATCH] Buffer: Prevent replacement of "\r" message

---
 lib/runner/connection/buffer.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/runner/connection/buffer.rb b/lib/runner/connection/buffer.rb
index 6d624491..cf8ca6fc 100644
--- a/lib/runner/connection/buffer.rb
+++ b/lib/runner/connection/buffer.rb
@@ -72,7 +72,7 @@ class Runner::Connection::Buffer
     @global_buffer = +''
     # For our buffering, we identified line breaks with the `\n` and removed those temporarily.
     # Thus, we now re-add the `\n` at the end of the string and remove the `\r` in the same time.
-    message = message.gsub(/\r$/, "\n")
+    message = message.gsub(/\r$/, "\n") unless message.length == 1
     @line_buffer.push message
   end