From 1d6c986104afa77f5874cd2f8441682e59b2097a Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Wed, 13 Nov 2024 12:01:06 +0900
Subject: [PATCH] [ruby/uri] Restore constants like
 URI::REGEXP::PATTERN::IPV6ADDR

https://github.com/ruby/uri/commit/ee9a38701a
---
 lib/uri/rfc2396_parser.rb | 7 +++++++
 test/uri/test_common.rb   | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/lib/uri/rfc2396_parser.rb b/lib/uri/rfc2396_parser.rb
index a56ca34267..c112b1b368 100644
--- a/lib/uri/rfc2396_parser.rb
+++ b/lib/uri/rfc2396_parser.rb
@@ -536,4 +536,11 @@ module URI
     end
 
   end # class Parser
+
+  # Backward compatibility for URI::REGEXP::PATTERN::*
+  RFC2396_Parser.new.pattern.each_pair do |sym, str|
+    unless RFC2396_REGEXP::PATTERN.const_defined?(sym)
+      RFC2396_REGEXP::PATTERN.const_set(sym, str)
+    end
+  end
 end # module URI
diff --git a/test/uri/test_common.rb b/test/uri/test_common.rb
index 176efb80b9..b1e3b2be66 100644
--- a/test/uri/test_common.rb
+++ b/test/uri/test_common.rb
@@ -10,6 +10,10 @@ class URI::TestCommon < Test::Unit::TestCase
   def teardown
   end
 
+  class Foo
+    include URI::REGEXP::PATTERN
+  end
+
   def test_fallback_constants
     orig_verbose = $VERBOSE
     $VERBOSE = nil
@@ -19,6 +23,8 @@ class URI::TestCommon < Test::Unit::TestCase
     assert_equal URI::ABS_URI, URI::RFC2396_PARSER.regexp[:ABS_URI]
     assert_equal URI::PATTERN, URI::RFC2396_Parser::PATTERN
     assert_equal URI::REGEXP, URI::RFC2396_REGEXP
+    assert_equal URI::REGEXP::PATTERN, URI::RFC2396_REGEXP::PATTERN
+    assert_equal Foo::IPV4ADDR, URI::RFC2396_REGEXP::PATTERN::IPV4ADDR
   ensure
     $VERBOSE = orig_verbose
   end