# HG changeset patch
# User Lucas Moscovicz <lmoscovicz@fb.com>
# Date 2014-03-11 23:59:42
# Node ID 5f8400efca0b01b1749d8879d0437818570b152c
# Parent  cce8fbedc82a284d4c5159fced20e095c2e799d4

revset: added cached generated list to addset

This way when all the values have been generated the list can be sorted
without having to generate them all again.

diff --git a/mercurial/revset.py b/mercurial/revset.py
--- a/mercurial/revset.py
+++ b/mercurial/revset.py
@@ -2331,6 +2331,13 @@ class _addset(object):
         self._r2 = revs2
         self._iter = None
         self._ascending = ascending
+        self._genlist = None
+
+    @util.propertycache
+    def _list(self):
+        if not self._genlist:
+            self._genlist = baseset(self._iterator())
+        return self._genlist
 
     def _iterator(self):
         if not self._iter: