Index: ChangeLog
===================================================================
--- ChangeLog	(revision 31122)
+++ ChangeLog	(working copy)
@@ -1,3 +1,9 @@
+Fri Mar 18 06:22:27 2011  Oleg Shaldybin  <oleg.shaldybin@gmail.com>
+
+	* lib/fileutils.rb (FileUtils::Entry_#copy_file): updated FileUtils.cp
+	  to still copy file permissions when :preserve is false (as cp does
+	  this even when -p isn't set).
+
 Fri Mar 18 00:59:38 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/win32ole/extconf.rb (create_docfile): removed.  should not
Index: lib/fileutils.rb
===================================================================
--- lib/fileutils.rb	(revision 31122)
+++ lib/fileutils.rb	(working copy)
@@ -1275,8 +1275,9 @@
     end
 
     def copy_file(dest)
+      st = stat()
       File.open(path()) do |s|
-        File.open(dest, 'wb') do |f|
+        File.open(dest, 'wb', st.mode) do |f|
           IO.copy_stream(s, f)
         end
       end
Index: test/fileutils/test_fileutils.rb
===================================================================
--- test/fileutils/test_fileutils.rb	(revision 31122)
+++ test/fileutils/test_fileutils.rb	(working copy)
@@ -230,6 +230,13 @@
     }
   end
 
+  def test_cp_preserve_permissions
+    touch 'tmp/cptmp'
+    chmod 0755, 'tmp/cptmp'
+    cp 'tmp/cptmp', 'tmp/cptmp2'
+    assert_equal File.stat('tmp/cptmp').mode, File.stat('tmp/cptmp2').mode
+  end
+
   def test_cp_symlink
     touch 'tmp/cptmp'
     # src==dest (2) symlink and its target