mercurial/scmutil.py

--- a/mercurial/scmutil.py	Mon Apr 15 01:22:15 2013 +0900
+++ b/mercurial/scmutil.py	Mon Apr 15 01:22:15 2013 +0900
@@ -242,6 +242,9 @@
     def isdir(self, path=None):
         return os.path.isdir(self.join(path))
 
+    def islink(self, path=None):
+        return os.path.islink(self.join(path))
+
     def makedir(self, path=None, notindexed=True):
         return util.makedir(self.join(path), notindexed)