# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1507643231 -7200
# Node ID b185beb94df5b67c08afd038152fe3edbfb5c17a
# Parent  033e00be9ce423e2f85646cdb0c58559650c7f01
topic: reorder revset for faster evaluation

When running the revset on unfiltered repository, the mutable set can get huge.
So removing the obsolete changeset first provide a large speedup. This resolve
the performance regression we were seeing since the 6.7.0 release.

diff -r 033e00be9ce4 -r b185beb94df5 hgext3rd/topic/stack.py
--- a/hgext3rd/topic/stack.py	Mon Oct 09 17:42:30 2017 +0200
+++ b/hgext3rd/topic/stack.py	Tue Oct 10 15:47:11 2017 +0200
@@ -34,9 +34,9 @@
         if topic is not None and branch is not None:
             raise error.ProgrammingError('both branch and topic specified (not defined yet)')
         elif topic is not None:
-            trevs = repo.revs("topic(%s) - obsolete()", topic)
+            trevs = repo.revs("not obsolete() and topic(%s) - obsolete()", topic)
         elif branch is not None:
-            trevs = repo.revs("branch(%s) - public() - obsolete() - topic()", branch)
+            trevs = repo.revs("not public() and branch(%s) - obsolete() - topic()", branch)
         else:
             raise error.ProgrammingError('neither branch and topic specified (not defined yet)')
         self._revs = trevs