From ff6263fd9ddf2d689ecfa8fa7eb1216bfad441a8 Mon Sep 17 00:00:00 2001
From: Akira Matsuda <ronnie@dio.jp>
Date: Thu, 8 Dec 2016 03:51:38 +0900
Subject: [PATCH] Avoid calling Ruby 2.4+ String#pretty_print in ColorPrinter

Ruby 2.4+ defines String's own pretty_print that prints multiline Strings prettier
see: https://bugs.ruby-lang.org/issues/12664

fixes #1585
---
 lib/pry/color_printer.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/pry/color_printer.rb b/lib/pry/color_printer.rb
index 48bcc1a..ce52b8d 100644
--- a/lib/pry/color_printer.rb
+++ b/lib/pry/color_printer.rb
@@ -31,7 +31,13 @@ def text(str, width = str.length)
     end
 
     def pp(obj)
-      super
+      if String === obj
+        # Avoid calling Ruby 2.4+ String#pretty_print that prints multiline
+        # Strings prettier
+        Object.instance_method(:pretty_print).bind(obj).call
+      else
+        super
+      end
     rescue => e
       raise if e.is_a? Pry::Pager::StopPaging
       begin