hsbt	2018-11-08 00:55:14 +0900 (Thu, 08 Nov 2018)

  New Revision: 65610

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65610

  Log:
    Dir.children is available since Feature #11302. FileUtils uses
    Dir.each on an internal method encapsulated on a private class
    `Entry_#entry`, having no '.' neither '..' entries would make
    now superfluous a chained reject filtering.
    
    This change can improve the performance of these FileUtils
    methods when the provided path covers thousands of files or
    directories:
    
    - chmod_R
    - chown_R
    - remove_entry
    - remove_entry_secure
    - rm_r
    - remove_dir
    - copy_entry
    
    Related: Feature #13896 https://bugs.ruby-lang.org/issues/13896
    
    [Feature #14109][Fix GH-1754]
    
    Co-Authored-By: esparta <esparta@g...>

  Modified files:
    trunk/lib/fileutils.rb
Index: lib/fileutils.rb
===================================================================
--- lib/fileutils.rb	(revision 65609)
+++ lib/fileutils.rb	(revision 65610)
@@ -1274,8 +1274,7 @@ module FileUtils https://github.com/ruby/ruby/blob/trunk/lib/fileutils.rb#L1274
     def entries
       opts = {}
       opts[:encoding] = ::Encoding::UTF_8 if fu_windows?
-      Dir.entries(path(), opts)\
-          .reject {|n| n == '.' or n == '..' }\
+      Dir.children(path, opts)\
           .map {|n| Entry_.new(prefix(), join(rel(), n.untaint)) }
     end
 

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