diff -r 976681123416 -r 85ef5a073114 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Tue May 02 18:31:18 2017 +0200
+++ b/mercurial/localrepo.py	Tue May 02 18:45:51 2017 +0200
@@ -1072,6 +1072,7 @@
                                      self.store.createmode,
                                      validator=validate,
                                      releasefn=releasefn)
+        tr.changes['revs'] = set()
 
         tr.hookargs['txnid'] = txnid
         # note: writing the fncache only during finalize mean that the file is