--- a/mercurial/subrepo.py	Sat Jan 09 22:46:26 2016 +0900
+++ b/mercurial/subrepo.py	Fri Mar 25 16:23:23 2016 -0500
@@ -1812,9 +1812,9 @@
         modified, added, removed = [], [], []
         self._gitupdatestat()
         if rev2:
-            command = ['diff-tree', '-r', rev1, rev2]
+            command = ['diff-tree', '--no-renames', '-r', rev1, rev2]
         else:
-            command = ['diff-index', rev1]
+            command = ['diff-index', '--no-renames', rev1]
         out = self._gitcommand(command)
         for line in out.split('\n'):
             tab = line.find('\t')
@@ -1873,7 +1873,7 @@
     @annotatesubrepoerror
     def diff(self, ui, diffopts, node2, match, prefix, **opts):
         node1 = self._state[1]
-        cmd = ['diff']
+        cmd = ['diff', '--no-renames']
         if opts['stat']:
             cmd.append('--stat')
         else: