mercurial-scm/hg: mercurial/revset.py comparison

revset: add an undocumented _missingancestors function This will be used in an upcoming patch to optimize expressions of the form (::x - ::y).

comparison

equal deleted inserted replaced

-:19b1c62cee1c
+:fb2df4506c87
 m = min(os)
 if m in subset:
 return baseset([m])
 return baseset([])
+def _missingancestors(repo, subset, x):
+# i18n: "_missingancestors" is a keyword
+revs, bases = getargs(x, 2, 2,
+_("_missingancestors requires two arguments"))
+rs = baseset(repo)
+revs = getset(repo, rs, revs)
+bases = getset(repo, rs, bases)
+missing = set(repo.changelog.findmissingrevs(bases, revs))
+return baseset([r for r in subset if r in missing])
 def modifies(repo, subset, x):
 """``modifies(pattern)``
 Changesets modifying files matched by pattern.
 The pattern without explicit kind like ``glob:`` is expected to be
 "limit": limit,
 "_matchfiles": _matchfiles,
 "max": maxrev,
 "merge": merge,
 "min": minrev,
+"_missingancestors": _missingancestors,
 "modifies": modifies,
 "obsolete": obsolete,
 "origin": origin,
 "outgoing": outgoing,
 "p1": p1,
 "limit",
 "_matchfiles",
 "max",
 "merge",
 "min",
+"_missingancestors",
 "modifies",
 "obsolete",
 "origin",
 "outgoing",
 "p1",

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