diff --git a/hgext/git/__init__.py b/hgext/git/__init__.py
--- a/hgext/git/__init__.py
+++ b/hgext/git/__init__.py
@@ -71,6 +71,9 @@
         # TODO handle storenarrowmatch and figure out if we need the repo arg
         return gitlog.manifestlog(self.git, self._db)
 
+    def invalidatecaches(self):
+        pass
+
 def _makestore(orig, requirements, storebasepath, vfstype):
     if (os.path.exists(os.path.join(storebasepath, 'this-is-git'))
         and os.path.exists(os.path.join(storebasepath, '..', '.git'))):