diff --git a/mercurial/context.py b/mercurial/context.py
--- a/mercurial/context.py
+++ b/mercurial/context.py
@@ -957,6 +957,9 @@ class commitablectx(basectx):
         self._status = stat[:4]
         return stat
 
+    def user(self):
+        return self._user or self._repo.ui.username()
+
 class workingctx(commitablectx):
     """A workingctx object makes access to data related to
     the current working directory convenient.
@@ -987,8 +990,6 @@ class workingctx(commitablectx):
             p = p[:-1]
         return [changectx(self._repo, x) for x in p]
 
-    def user(self):
-        return self._user or self._repo.ui.username()
     def date(self):
         return self._date
     def description(self):