diff -r 20d0e59be79b -r d98ec36be808 hgext/remotefilelog/shallowrepo.py
--- a/hgext/remotefilelog/shallowrepo.py	Tue Jul 02 12:55:51 2019 -0400
+++ b/hgext/remotefilelog/shallowrepo.py	Sat Jul 13 23:45:32 2019 -0400
@@ -161,7 +161,7 @@
                                                               **kwargs)
 
         @localrepo.unfilteredmethod
-        def commitctx(self, ctx, error=False):
+        def commitctx(self, ctx, error=False, origctx=None):
             """Add a new revision to current repository.
             Revision information is passed via the context argument.
             """
@@ -179,7 +179,8 @@
                         files.append((f, hex(fparent1)))
                 self.fileservice.prefetch(files)
             return super(shallowrepository, self).commitctx(ctx,
-                                                            error=error)
+                                                            error=error,
+                                                            origctx=origctx)
 
         def backgroundprefetch(self, revs, base=None, repack=False, pats=None,
                                opts=None):