--- a/mercurial/revset.py Sat Jun 20 16:22:10 2015 -0700
+++ b/mercurial/revset.py Mon Jun 22 10:19:12 2015 -0700
@@ -1755,9 +1755,13 @@
Changesets in set with no parent changeset in set.
"""
s = getset(repo, fullreposet(repo), x)
- subset = subset & s# baseset([r for r in s if r in subset])
- cs = _children(repo, subset, s)
- return subset - cs
+ parents = repo.changelog.parentrevs
+ def filter(r):
+ for p in parents(r):
+ if 0 <= p and p in s:
+ return False
+ return True
+ return subset & s.filter(filter)
def sort(repo, subset, x):
"""``sort(set[, [-]key...])``