diff -r ec37db02fc72 -r d8cdd5320f75 mercurial/subrepo.py
--- a/mercurial/subrepo.py	Wed Feb 06 23:56:59 2019 -0800
+++ b/mercurial/subrepo.py	Fri Feb 08 10:19:30 2019 -0800
@@ -1624,7 +1624,7 @@
                 self._gitcommand(command + [f])
 
         for f in rejected:
-            ui.warn(_("%s already tracked!\n") % match.abs(f))
+            ui.warn(_("%s already tracked!\n") % match.rel(f))
 
         return rejected