diff -r 10beda5bd2b7 -r 2d54aa5397cd mercurial/localrepo.py
--- a/mercurial/localrepo.py	Fri Oct 17 22:28:09 2014 -0700
+++ b/mercurial/localrepo.py	Sat Oct 18 01:09:41 2014 -0700
@@ -1445,7 +1445,6 @@
             xp1, xp2 = p1.hex(), p2 and p2.hex() or ''
             self.hook('pretxncommit', throw=True, node=hex(n), parent1=xp1,
                       parent2=xp2, pending=p)
-            self.changelog.finalize(trp)
             # set the new commit is proper phase
             targetphase = subrepo.newcommitphase(self.ui, ctx)
             if targetphase: