Mercurial > hg
annotate mercurial/obsutil.py @ 32983:0d757af1ea67
configitems: add a basic class to hold config item information
The goal of this class is allow explicit declaration for the available config
option. This class will hold the data for one specific config item.
To keep it simple we start centralizing the handling of the default config value.
In the future we can expect more data to be carried on this class. For example:
- documentation,
- status (experimental, advanced, normal, deprecated),
- aliases,
- expected type,
- etc...
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Sat, 17 Jun 2017 18:41:55 +0200 |
parents | 1858fc2327ef |
children | 4f49810a1011 |
rev | line source |
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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) |