From ceec17cc7576e889be8f3c2942ecbe7accee4213 Mon Sep 17 00:00:00 2001
From: Robb Shecter <robb@public.law>
Date: Sun, 22 Jan 2023 21:23:49 -0700
Subject: [PATCH] Change logging to `debug` level.

...for the 'already registered' warning.

Closes #170.
---
 lib/mime/types.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mime/types.rb b/lib/mime/types.rb
index e9db72b..a6053bc 100644
--- a/lib/mime/types.rb
+++ b/lib/mime/types.rb
@@ -187,7 +187,7 @@ def add(*types)
   # truthy value to suppress that warning.
   def add_type(type, quiet = false)
     if !quiet && @type_variants[type.simplified].include?(type)
-      MIME::Types.logger.warn <<-WARNING.chomp.strip
+      MIME::Types.logger.debug <<-WARNING.chomp.strip
         Type #{type} is already registered as a variant of #{type.simplified}.
       WARNING
     end