Mercurial > public > mercurial-scm > hg-stable
diff mercurial/obsutil.py @ 33150:d0e5bf12f314
obsutil: move 'allprecursors' to the new modules
We have a new 'obsutil' module now. We move the high level utility there to
bring 'obsolete.py' back to a more reasonable size.
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Tue, 27 Jun 2017 01:31:18 +0200 |
| parents | d09ae850296d |
| children | 0a370b93cca2 |
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--- a/mercurial/obsutil.py Tue Jun 27 01:11:56 2017 +0200 +++ b/mercurial/obsutil.py Tue Jun 27 01:31:18 2017 +0200 @@ -35,6 +35,28 @@ else: stack.append(precnodeid) +def allprecursors(obsstore, nodes, ignoreflags=0): + """Yield node for every precursors of <nodes>. + + Some precursors may be unknown locally. + + This is a linear yield unsuited to detecting folded changesets. It includes + initial nodes too.""" + + remaining = set(nodes) + seen = set(remaining) + while remaining: + current = remaining.pop() + yield current + for mark in obsstore.precursors.get(current, ()): + # ignore marker flagged with specified flag + if mark[2] & ignoreflags: + continue + suc = mark[0] + if suc not in seen: + seen.add(suc) + remaining.add(suc) + def _filterprunes(markers): """return a set with no prune markers""" return set(m for m in markers if m[1])