knu	2013-07-09 16:01:59 +0900 (Tue, 09 Jul 2013)

  New Revision: 41851

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=41851

  Log:
    * lib/fileutils.rb (FileUtils#chown, FileUtils#chown_R): If user
      and group are both nil, print ":".

  Modified files:
    trunk/ChangeLog
    trunk/lib/fileutils.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 41850)
+++ ChangeLog	(revision 41851)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Tue Jul  9 15:03:24 2013  Akinori MUSHA  <knu@i...>
+
+	* lib/fileutils.rb (FileUtils#chown, FileUtils#chown_R): If user
+	  and group are both nil, print ":".
+
 Tue Jul  9 12:47:08 2013  Masaki Matsushita  <glass.saga@g...>
 
 	* io.c (appendline): use READ_CHAR_PENDING_XXX macros and
Index: lib/fileutils.rb
===================================================================
--- lib/fileutils.rb	(revision 41850)
+++ lib/fileutils.rb	(revision 41851)
@@ -1044,8 +1044,8 @@ module FileUtils https://github.com/ruby/ruby/blob/trunk/lib/fileutils.rb#L1044
   def chown(user, group, list, options = {})
     fu_check_options options, OPT_TABLE['chown']
     list = fu_list(list)
-    fu_output_message sprintf('chown %s%s',
-                              (group ? [user,group].join(':') : user) + ' ',
+    fu_output_message sprintf('chown %s %s',
+                              (group ? "#{user}:#{group}" : user || ':'),
                               list.join(' ')) if options[:verbose]
     return if options[:noop]
     uid = fu_get_uid(user)
@@ -1073,9 +1073,9 @@ module FileUtils https://github.com/ruby/ruby/blob/trunk/lib/fileutils.rb#L1073
   def chown_R(user, group, list, options = {})
     fu_check_options options, OPT_TABLE['chown_R']
     list = fu_list(list)
-    fu_output_message sprintf('chown -R%s %s%s',
+    fu_output_message sprintf('chown -R%s %s %s',
                               (options[:force] ? 'f' : ''),
-                              (group ? [user,group].join(':') : user) + ' ',
+                              (group ? "#{user}:#{group}" : user || ':'),
                               list.join(' ')) if options[:verbose]
     return if options[:noop]
     uid = fu_get_uid(user)

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