From 6b5e712361cca8559ed66d5c1106e888c5971d39 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Wed, 29 May 2019 08:22:02 +0900
Subject: [PATCH] Make tool/vcs.rb compliant to BASERUBY

People seem to consider BASERUBY is either 1.8 or 1.9 now. Since this
file may be executed by BASERUBY from file2lastrev.rb, I think we should
not rely on Ruby 2.0 in this file for now.
---
 tool/vcs.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tool/vcs.rb b/tool/vcs.rb
index 34bafa72ac..ecb313d58d 100644
--- a/tool/vcs.rb
+++ b/tool/vcs.rb
@@ -124,7 +124,8 @@ class VCS
     @@dirs << [dir, self, pred]
   end
 
-  def self.detect(path, uplevel_limit: 0)
+  def self.detect(path, options = {})
+    uplevel_limit = options.fetch(:uplevel_limit, 0)
     curr = path
     begin
       @@dirs.each do |dir, klass, pred|