naruse	2018-12-25 18:34:35 +0900 (Tue, 25 Dec 2018)

  New Revision: 66550

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66550

  Log:
    Keep RUBY_RELEASE_DATE's definition
    
    if it uses Y/M/D macros.

  Modified files:
    trunk/tool/merger.rb
Index: tool/merger.rb
===================================================================
--- tool/merger.rb	(revision 66549)
+++ tool/merger.rb	(revision 66550)
@@ -91,12 +91,13 @@ def version_up(inc=nil) https://github.com/ruby/ruby/blob/trunk/tool/merger.rb#L91
   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}],

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