--- a/mercurial/commands.py	Sat May 26 01:52:42 2018 +0530
+++ b/mercurial/commands.py	Fri May 25 17:21:01 2018 +0530
@@ -2226,7 +2226,12 @@
             raise error.Abort(_("can't specify --continue and revisions"))
         # read in unfinished revisions
         if graftstate.exists():
-            nodes = _readgraftstate(repo, graftstate)['nodes']
+            statedata = _readgraftstate(repo, graftstate)
+            if statedata.get('date'):
+                opts['date'] = statedata['date']
+            if statedata.get('user'):
+                opts['user'] = statedata['user']
+            nodes = statedata['nodes']
             revs = [repo[node].rev() for node in nodes]
         else:
             cmdutil.wrongtooltocontinue(repo, _('graft'))