Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/obsutil.py @ 33140:bf1292c057ef

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configitems: add a devel warning for extensions items overiding core one We do not want such case to pass silently. In the future we'll likely have useful tool for an extension to alter the existing definition in core.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Sun, 18 Jun 2017 19:52:54 +0200
parents 1858fc2327ef
children 4f49810a1011
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32897
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Boris Feld <boris.feld@octobus.net>
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1 # obsutil.py - utility functions for obsolescence
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2 #
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3 # Copyright 2017 Boris Feld <boris.feld@octobus.net>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 def closestpredecessors(repo, nodeid):
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11 """yield the list of next predecessors pointing on visible changectx nodes
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12
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13 This function respect the repoview filtering, filtered revision will be
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14 considered missing.
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15 """
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16
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17 precursors = repo.obsstore.precursors
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18 stack = [nodeid]
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19 seen = set(stack)
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20
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21 while stack:
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22 current = stack.pop()
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23 currentpreccs = precursors.get(current, ())
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24
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25 for prec in currentpreccs:
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26 precnodeid = prec[0]
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27
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28 # Basic cycle protection
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29 if precnodeid in seen:
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30 continue
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31 seen.add(precnodeid)
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32
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33 if precnodeid in repo:
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34 yield precnodeid
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35 else:
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36 stack.append(precnodeid)