From c94d3d628e688dbb13308efd62dae177a998ecce Mon Sep 17 00:00:00 2001
From: Colin Surprenant <colin.surprenant@gmail.com>
Date: Thu, 24 Aug 2017 18:11:48 -0400
Subject: [PATCH] force UTF-8 encoding for gem file reading

---
 lib/pluginmanager/gemfile.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/pluginmanager/gemfile.rb b/lib/pluginmanager/gemfile.rb
index 86af9a408..d0ab77048 100644
--- a/lib/pluginmanager/gemfile.rb
+++ b/lib/pluginmanager/gemfile.rb
@@ -16,6 +16,9 @@ module LogStash
     end
 
     def load(with_backup = true)
+      # encoding must be set to UTF-8 here to avoid ending up with Windows-1252 encoding on Windows
+      # which will break the DSL instance_eval of that string
+      @io.set_encoding(Encoding::UTF_8)
       @gemset ||= DSL.parse(@io.read)
       backup if with_backup
       self