revset: mark the fact we should use '&' instead of 'filter' in 'head'
I do not have time to fix all this now, let's mark it for later.
--- a/mercurial/revset.py Thu Jun 11 15:36:03 2015 -0700
+++ b/mercurial/revset.py Thu Jun 11 15:37:17 2015 -0700
@@ -1105,6 +1105,7 @@
hs = set()
for b, ls in repo.branchmap().iteritems():
hs.update(repo[h].rev() for h in ls)
+ # XXX We should not be using '.filter' here, but combines subset with '&'
# XXX We should combine with subset first: 'subset & baseset(...)'. This is
# necessary to ensure we preserve the order in subset.
return baseset(hs).filter(subset.__contains__)