From 5c3ce2257829442ec9ac690538f21dc5ed20a3fa Mon Sep 17 00:00:00 2001
From: Oskar Eichler <oskar@songstats.com>
Date: Thu, 27 Aug 2026 23:12:28 +0300
Subject: [PATCH] Match the 100-continue expectation case-insensitively

---
 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 96396b0a..6fe5cc5d 100644
--- a/lib/net/http/generic_request.rb
+++ b/lib/net/http/generic_request.rb
@@ -410,7 +410,7 @@ def flush_buffer(out, buf, chunked_p)
 
   def wait_for_continue(sock, ver)
     if ver >= '1.1' and @header['expect'] and
-        @header['expect'].include?('100-continue')
+        @header['expect'].any? { |value| value.casecmp?('100-continue') }
       if sock.io.to_io.wait_readable(sock.continue_timeout)
         res = Net::HTTPResponse.read_new(sock)
         unless res.kind_of?(Net::HTTPContinue)