diff -r bf249bb60087 -r 3d76a8e627a6 hgext/extdiff.py
--- a/hgext/extdiff.py	Mon Oct 22 11:34:35 2018 -0700
+++ b/hgext/extdiff.py	Tue Sep 05 15:21:21 2017 -0700
@@ -139,7 +139,7 @@
         repo.ui.setconfig("ui", "archivemeta", False)
 
         archival.archive(repo, base, node, 'files',
-                         matchfn=scmutil.matchfiles(repo, files),
+                         match=scmutil.matchfiles(repo, files),
                          subrepos=listsubrepos)
 
         for fn in sorted(files):