From 42bb73cf64bc4a122b80eb2262f5b9c47381a024 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 30 Jan 2018 07:34:06 +0000
Subject: [PATCH] support ruby 1.9.3

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62109 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/vcs.rb | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/tool/vcs.rb b/tool/vcs.rb
index 7e06f3dbcc..022783acac 100644
--- a/tool/vcs.rb
+++ b/tool/vcs.rb
@@ -91,14 +91,20 @@ else
   end
   using DebugPOpen
   module DebugSystem
-    def system(*args, **opts)
-      STDERR.puts [*args, **opts].inspect if $DEBUG
+    def system(*args)
+      STDERR.puts args.inspect if $DEBUG
+      exception = false
+      opts = Hash.try_convert(args[-1])
       if RUBY_VERSION >= "2.6"
+        unless opts
+          opts = {}
+          args << opts
+        end
         exception = opts.fetch(:exception) {opts[:exception] = true}
-      else
+      elsif opts
         exception = opts.delete(:exception) {true}
       end
-      ret = super(*args, **opts)
+      ret = super(*args)
       raise "Command failed with status (#$?): #{args[0]}" if exception and !ret
       ret
     end