diff mercurial/unionrepo.py @ 32998:c7da57bbae96

dagop: comment why revancestors() doesn't heapify input revs at once I wondered why we're doing this complicated stuff without noticing the input revs may be iterated lazily in descending order. c1f666e27345 showed why.
author Yuya Nishihara <yuya@tcha.org>
date Sun, 18 Jun 2017 17:16:02 +0900
parents f1e0446e804c
children 634997248c97
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