From 6c15342cdf14afd8b633a844c0939c2cdbed66be Mon Sep 17 00:00:00 2001
From: Jean Boussier <jean.boussier@gmail.com>
Date: Thu, 18 Mar 2021 22:05:06 +0100
Subject: [PATCH] Fix the regexp used to clean the host

Introduced in https://github.com/ruby/ruby/commit/c1652035644

`/s` marks the regexp as encoded with Windows-31J which makes little
sense.

Nurse thinks the intent was to use `/m` for a multi-line regexp.
---
 lib/net/http/generic_request.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/net/http/generic_request.rb b/lib/net/http/generic_request.rb
index 003f59d0..0b812430 100644
--- a/lib/net/http/generic_request.rb
+++ b/lib/net/http/generic_request.rb
@@ -143,7 +143,7 @@ def update_uri(addr, port, ssl) # :nodoc: internal use only
     end
 
     if host = self['host']
-      host.sub!(/:.*/s, ''.freeze)
+      host.sub!(/:.*/m, ''.freeze)
     elsif host = @uri.host
     else
      host = addr