mercurial/scmutil.py

--- a/mercurial/scmutil.py	Tue Nov 12 16:23:52 2013 +0900
+++ b/mercurial/scmutil.py	Tue Nov 12 16:23:52 2013 +0900
@@ -150,6 +150,9 @@
         finally:
             fp.close()
 
+    def chmod(self, path, mode):
+        return os.chmod(self.join(path), mode)
+
     def exists(self, path=None):
         return os.path.exists(self.join(path))