From 4937c6c7dade8eaad7924028a9b0f4f41dceabc7 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 25 Dec 2018 09:34:35 +0000
Subject: [PATCH] Keep RUBY_RELEASE_DATE's definition

if it uses Y/M/D macros.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66550 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/merger.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tool/merger.rb b/tool/merger.rb
index 6fedb0a936..3362eafd7a 100755
--- a/tool/merger.rb
+++ b/tool/merger.rb
@@ -91,12 +91,13 @@ def version_up(inc=nil)
   end
 
   str = open 'version.h', 'rb' do |f| f.read end
+  ruby_release_date = str[/RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR/] || d.strftime('"%Y-%m-%d"')
   [%W[RUBY_VERSION      "#{v.join '.'}"],
    %W[RUBY_VERSION_CODE  #{v.join ''}],
    %W[RUBY_VERSION_MAJOR #{v[0]}],
    %W[RUBY_VERSION_MINOR #{v[1]}],
    %W[RUBY_VERSION_TEENY #{v[2]}],
-   %W[RUBY_RELEASE_DATE "#{d.strftime '%Y-%m-%d'}"],
+   %W[RUBY_RELEASE_DATE #{ruby_release_date}],
    %W[RUBY_RELEASE_CODE  #{d.strftime '%Y%m%d'}],
    %W[RUBY_PATCHLEVEL    #{pl}],
    %W[RUBY_RELEASE_YEAR  #{d.year}],