--- a/Plugins/VcsPlugins/vcsMercurial/hg.py	Fri Sep 09 19:15:06 2011 +0200
+++ b/Plugins/VcsPlugins/vcsMercurial/hg.py	Fri Sep 09 19:31:51 2011 +0200
@@ -841,7 +841,8 @@
         args = []
         args.append('revert')
         self.addArguments(args, self.options['global'])
-        args.append("--no-backup")
+        if not self.getPlugin().getPreferences("CreateBackup"):
+            args.append("--no-backup")
         args.append("-v")
         if isinstance(name, list):
             dname, fnames = self.splitPathList(name)