diff -r 7bf82faba774 -r 722117c8e023 mercurial/commands.py
--- a/mercurial/commands.py	Mon Oct 13 14:04:11 2014 -0500
+++ b/mercurial/commands.py	Mon Oct 13 14:33:13 2014 -0500
@@ -18,7 +18,7 @@
 from hgweb import server as hgweb_server
 import merge as mergemod
 import minirst, revset, fileset
-import dagparser, context, simplemerge, graphmod
+import dagparser, context, simplemerge, graphmod, copies
 import random
 import setdiscovery, treediscovery, dagutil, pvec, localrepo
 import phases, obsolete, exchange
@@ -3490,7 +3490,7 @@
                     repo.setparents(current.node(), nullid)
                     repo.dirstate.write()
                     # fix up dirstate for copies and renames
-                    cmdutil.duplicatecopies(repo, ctx.rev(), ctx.p1().rev())
+                    copies.duplicatecopies(repo, ctx.rev(), ctx.p1().rev())
                     repo.dirstate.endparentchange()
                 finally:
                     repo.ui.setconfig('ui', 'forcemerge', '', 'graft')