--- a/hgext/narrow/narrowcopies.py	Wed Oct 10 12:25:28 2018 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,34 +0,0 @@
-# narrowcopies.py - extensions to mercurial copies module to support narrow
-# clones
-#
-# Copyright 2017 Google, Inc.
-#
-# This software may be used and distributed according to the terms of the
-# GNU General Public License version 2 or any later version.
-
-from __future__ import absolute_import
-
-from mercurial import (
-    copies,
-    extensions,
-)
-
-def setup(repo):
-    def _computeforwardmissing(orig, a, b, match=None):
-        missing = orig(a, b, match)
-        narrowmatch = repo.narrowmatch()
-        if narrowmatch.always():
-            return missing
-        missing = [f for f in missing if narrowmatch(f)]
-        return missing
-
-    def _checkcopies(orig, srcctx, dstctx, f, base, tca, remotebase, limit,
-                     data):
-        narrowmatch = repo.narrowmatch()
-        if not narrowmatch(f):
-            return
-        orig(srcctx, dstctx, f, base, tca, remotebase, limit, data)
-
-    extensions.wrapfunction(copies, '_computeforwardmissing',
-                            _computeforwardmissing)
-    extensions.wrapfunction(copies, '_checkcopies', _checkcopies)