D4507: ancestors: add nullrev to set from the beginning

[martinvonz (Martin von Zweigbergk)]

This revision was automatically updated to reflect the committed changes.
Closed by commit rHG8eb2145ff0fb: ancestors: add nullrev to set from the beginning (authored by martinvonz, committed by ).

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D4507?vs=10840&id=10842

REVISION DETAIL
  https://phab.mercurial-scm.org/D4507

AFFECTED FILES
  mercurial/ancestor.py

CHANGE DETAILS

diff --git a/mercurial/ancestor.py b/mercurial/ancestor.py
--- a/mercurial/ancestor.py
+++ b/mercurial/ancestor.py
@@ -311,15 +311,14 @@
 
         If inclusive is True, the source revisions are also yielded. The
         reverse revision number order is still enforced."""
-        seen = set()
+        seen = {nullrev}
         revs = self._initrevs
 
         parentrevs = self._parentrevs
         stoprev = self._stoprev
         schedule = heapq.heappush
         nextitem = heapq.heappop
         see = seen.add
-        see(nullrev)
 
         if self._inclusive:
             visit = [-r for r in revs]



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Cc: mercurial-devel