From fe099c142ebfdd059b44e5ca7abbdb08659d51ed Mon Sep 17 00:00:00 2001
From: Michael Grosser <michael@grosser.it>
Date: Sat, 5 Aug 2017 10:41:39 -0700
Subject: [PATCH] do not blow up when RUBYOPT is not defined

---
 lib/puma/launcher.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/puma/launcher.rb b/lib/puma/launcher.rb
index 48867b2c85..327d8dd6ab 100644
--- a/lib/puma/launcher.rb
+++ b/lib/puma/launcher.rb
@@ -165,10 +165,10 @@ def phased_restart
     def run
       previous_env =
         if defined?(Bundler)
-          env = Bundler::ORIGINAL_ENV
+          env = Bundler::ORIGINAL_ENV.dup
           # add -rbundler/setup so we load from Gemfile when restarting
           bundle = "-rbundler/setup"
-          env["RUBYOPT"] = [env["RUBYOPT"], bundle].join(" ") unless env["RUBYOPT"].include?(bundle)
+          env["RUBYOPT"] = [env["RUBYOPT"], bundle].join(" ") unless env["RUBYOPT"].to_s.include?(bundle)
           env
         else
           ENV.to_h