From 0536dafd75ae25691d5444e94888ec90315115ed Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 24 Sep 2018 03:14:43 +0000
Subject: kernel_warn.rb: skip kernel_require.rb

* lib/rubygems/core_ext/kernel_warn.rb (Kernel#warn): skip
  kernel_require.rb's frames when `uplevel` option is given.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64817 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rubygems/core_ext/kernel_warn.rb | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 lib/rubygems/core_ext/kernel_warn.rb

(limited to 'lib/rubygems')

diff --git a/lib/rubygems/core_ext/kernel_warn.rb b/lib/rubygems/core_ext/kernel_warn.rb
new file mode 100755
index 0000000000..a06ccd39af
--- /dev/null
+++ b/lib/rubygems/core_ext/kernel_warn.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+if RUBY_VERSION >= "2.5"
+  module Kernel
+    path = "#{__dir__}/"
+    original_warn = instance_method(:warn)
+    Module.new {define_method(:warn, original_warn)}
+    original_warn = method(:warn)
+
+    module_function define_method(:warn) {|message, uplevel: nil|
+      if uplevel
+        while (loc, = caller_locations(uplevel, 1); loc && loc.path.start_with?(path))
+          uplevel += 1
+        end
+        original_warn.call(message, uplevel: uplevel + 1)
+      else
+        original_warn.call(message)
+      end
+    }
+  end
+end
-- 
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