diff -r 9fead7d97069 -r 3a024d7cd08e mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Thu Sep 10 18:40:01 2020 +0900
+++ b/mercurial/cmdutil.py	Thu Sep 10 16:14:48 2020 +0900
@@ -2574,7 +2574,7 @@
                                     yield f
 
                     fns = fns_generator()
-                prepare(ctx, fns)
+                prepare(ctx, scmutil.matchfiles(repo, fns))
             for rev in nrevs:
                 yield change(rev)