diff mercurial/subrepo.py @ 22927:7d754b7acd55

subrepo: use separate instances of empty lists in status

We do modify the lists that make up the status in several places, so
it seems risky to use the same instance of a list for several
different status types. Use a separate empty list for each type
instead.

--- a/mercurial/subrepo.py	Fri Oct 03 09:29:48 2014 -0700
+++ b/mercurial/subrepo.py	Sat Oct 11 22:43:14 2014 -0700
@@ -1582,7 +1582,7 @@
             elif status == 'D':
                 removed.append(f)
 
-        deleted = unknown = ignored = clean = []
+        deleted, unknown, ignored, clean = [], [], [], []
         return scmutil.status(modified, added, removed, deleted,
                               unknown, ignored, clean)