From 3a4183d2b7d0ed3956f9e05cc4b3b5725fede03a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 5 Feb 2018 03:19:39 +0000
Subject: [PATCH] vcs.rb: for old ruby

* tool/vcs.rb (DebugSystem#system): pop option hash for old
  version ruby which does not support `system` options.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62217 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/vcs.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tool/vcs.rb b/tool/vcs.rb
index 022783acac..6ce8d4b5bb 100644
--- a/tool/vcs.rb
+++ b/tool/vcs.rb
@@ -103,6 +103,7 @@ else
         exception = opts.fetch(:exception) {opts[:exception] = true}
       elsif opts
         exception = opts.delete(:exception) {true}
+        args.pop if opts.empty?
       end
       ret = super(*args)
       raise "Command failed with status (#$?): #{args[0]}" if exception and !ret