Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/phases.py @ 23878:37a92908a382

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localrepo: remove all external users of localrepo.sopener This change touches every module in which repository.sopener was being used, and changes it for the equivalent repository.svfs. It should now be possible to remove localrepo.sopener.
author Angel Ezquerra <angel.ezquerra@gmail.com>
date Sun, 11 Jan 2015 00:25:54 +0100
parents b8260abfeb7d
children 27e3ba73fbb1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 """ Mercurial phases support code
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2
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3 ---
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4
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5 Copyright 2011 Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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6 Logilab SA <contact@logilab.fr>
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7 Augie Fackler <durin42@gmail.com>
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8
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9 This software may be used and distributed according to the terms
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10 of the GNU General Public License version 2 or any later version.
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11
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12 ---
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13
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14 This module implements most phase logic in mercurial.
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16
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17 Basic Concept
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18 =============
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19
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20 A 'changeset phase' is an indicator that tells us how a changeset is
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21 manipulated and communicated. The details of each phase is described
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22 below, here we describe the properties they have in common.
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23
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24 Like bookmarks, phases are not stored in history and thus are not
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25 permanent and leave no audit trail.
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27 First, no changeset can be in two phases at once. Phases are ordered,
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28 so they can be considered from lowest to highest. The default, lowest
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29 phase is 'public' - this is the normal phase of existing changesets. A
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30 child changeset can not be in a lower phase than its parents.
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31
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32 These phases share a hierarchy of traits:
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33
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34 immutable shared
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35 public: X X
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36 draft: X
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37 secret:
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38
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39 Local commits are draft by default.
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40
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41 Phase Movement and Exchange
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42 ===========================
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43
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44 Phase data is exchanged by pushkey on pull and push. Some servers have
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45 a publish option set, we call such a server a "publishing server".
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46 Pushing a draft changeset to a publishing server changes the phase to
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47 public.
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48
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49 A small list of fact/rules define the exchange of phase:
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50
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51 * old client never changes server states
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52 * pull never changes server states
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53 * publish and old server changesets are seen as public by client
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54 * any secret changeset seen in another repository is lowered to at
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55 least draft
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56
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57 Here is the final table summing up the 49 possible use cases of phase
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58 exchange:
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59
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60 server
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61 old publish non-publish
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62 N X N D P N D P
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63 old client
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64 pull
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65 N - X/X - X/D X/P - X/D X/P
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66 X - X/X - X/D X/P - X/D X/P
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67 push
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68 X X/X X/X X/P X/P X/P X/D X/D X/P
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69 new client
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70 pull
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71 N - P/X - P/D P/P - D/D P/P
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72 D - P/X - P/D P/P - D/D P/P
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73 P - P/X - P/D P/P - P/D P/P
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74 push
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75 D P/X P/X P/P P/P P/P D/D D/D P/P
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76 P P/X P/X P/P P/P P/P P/P P/P P/P
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77
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78 Legend:
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79
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80 A/B = final state on client / state on server
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81
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82 * N = new/not present,
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83 * P = public,
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84 * D = draft,
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85 * X = not tracked (i.e., the old client or server has no internal
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86 way of recording the phase.)
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87
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88 passive = only pushes
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89
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90
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91 A cell here can be read like this:
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92
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93 "When a new client pushes a draft changeset (D) to a publishing
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94 server where it's not present (N), it's marked public on both
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95 sides (P/P)."
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96
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97 Note: old client behave as a publishing server with draft only content
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98 - other people see it as public
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99 - content is pushed as draft
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100
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101 """
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102
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103 import os
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104 import errno
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105 from node import nullid, nullrev, bin, hex, short
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106 from i18n import _
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107 import util, error
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108
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109 allphases = public, draft, secret = range(3)
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110 trackedphases = allphases[1:]
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111 phasenames = ['public', 'draft', 'secret']
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112
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113 def _readroots(repo, phasedefaults=None):
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114 """Read phase roots from disk
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115
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116 phasedefaults is a list of fn(repo, roots) callable, which are
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117 executed if the phase roots file does not exist. When phases are
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118 being initialized on an existing repository, this could be used to
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119 set selected changesets phase to something else than public.
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120
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121 Return (roots, dirty) where dirty is true if roots differ from
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122 what is being stored.
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123 """
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124 repo = repo.unfiltered()
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125 dirty = False
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
126 roots = [set() for i in allphases]
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
127 try:
23361
936b0ff34346 phases: read pending data when appropriate
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22940
diff changeset
128 f = None
936b0ff34346 phases: read pending data when appropriate
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22940
diff changeset
129 if 'HG_PENDING' in os.environ:
936b0ff34346 phases: read pending data when appropriate
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22940
diff changeset
130 try:
936b0ff34346 phases: read pending data when appropriate
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22940
diff changeset
131 f = repo.svfs('phaseroots.pending')
936b0ff34346 phases: read pending data when appropriate
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22940
diff changeset
132 except IOError, inst:
936b0ff34346 phases: read pending data when appropriate
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22940
diff changeset
133 if inst.errno != errno.ENOENT:
936b0ff34346 phases: read pending data when appropriate
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22940
diff changeset
134 raise
936b0ff34346 phases: read pending data when appropriate
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22940
diff changeset
135 if f is None:
23878
37a92908a382 localrepo: remove all external users of localrepo.sopener
Angel Ezquerra <angel.ezquerra@gmail.com>
parents: 23631
diff changeset
136 f = repo.svfs('phaseroots')
15418
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
137 try:
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
138 for line in f:
16588
72319bfd7966 phases: line.strip().split() == line.split()
Martin Geisler <mg@aragost.com>
parents: 16535
diff changeset
139 phase, nh = line.split()
15418
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
140 roots[int(phase)].add(bin(nh))
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
141 finally:
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
142 f.close()
15419
ccb7de21625a phases: handle errors other than ENOENT appropriately
Matt Mackall <mpm@selenic.com>
parents: 15418
diff changeset
143 except IOError, inst:
ccb7de21625a phases: handle errors other than ENOENT appropriately
Matt Mackall <mpm@selenic.com>
parents: 15418
diff changeset
144 if inst.errno != errno.ENOENT:
ccb7de21625a phases: handle errors other than ENOENT appropriately
Matt Mackall <mpm@selenic.com>
parents: 15418
diff changeset
145 raise
16625
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
146 if phasedefaults:
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
147 for f in phasedefaults:
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
148 roots = f(repo, roots)
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
149 dirty = True
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
150 return roots, dirty
15418
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
151
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
152 class phasecache(object):
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
153 def __init__(self, repo, phasedefaults, _load=True):
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
154 if _load:
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
155 # Cheap trick to allow shallow-copy without copy module
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
156 self.phaseroots, self.dirty = _readroots(repo, phasedefaults)
18220
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
157 self._phaserevs = None
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
158 self.filterunknown(repo)
23878
37a92908a382 localrepo: remove all external users of localrepo.sopener
Angel Ezquerra <angel.ezquerra@gmail.com>
parents: 23631
diff changeset
159 self.opener = repo.svfs
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
160
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
161 def copy(self):
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
162 # Shallow copy meant to ensure isolation in
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
163 # advance/retractboundary(), nothing more.
23631
b8260abfeb7d bundlerepo: implement safe phasecache
Eric Sumner <ericsumner@fb.com>
parents: 23361
diff changeset
164 ph = self.__class__(None, None, _load=False)
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
165 ph.phaseroots = self.phaseroots[:]
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
166 ph.dirty = self.dirty
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
167 ph.opener = self.opener
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
168 ph._phaserevs = self._phaserevs
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
169 return ph
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
170
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
171 def replace(self, phcache):
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
172 for a in 'phaseroots dirty opener _phaserevs'.split():
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
173 setattr(self, a, getattr(phcache, a))
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
174
22893
9672f0b2cdd9 phases: add invalidate function
Durham Goode <durham@fb.com>
parents: 22080
diff changeset
175 def getphaserevs(self, repo):
9672f0b2cdd9 phases: add invalidate function
Durham Goode <durham@fb.com>
parents: 22080
diff changeset
176 if self._phaserevs is None:
18002
9bc5873e52af clfilter: phases logic should be unfiltered
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17979
diff changeset
177 repo = repo.unfiltered()
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
178 revs = [public] * len(repo.changelog)
22894
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
179 self._phaserevs = revs
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
180 self._populatephaseroots(repo)
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
181 for phase in trackedphases:
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
182 roots = map(repo.changelog.rev, self.phaseroots[phase])
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
183 if roots:
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
184 for rev in roots:
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
185 revs[rev] = phase
16867
1093ad1e8903 revlog: descendants(*revs) becomes descendants(revs) (API)
Bryan O'Sullivan <bryano@fb.com>
parents: 16725
diff changeset
186 for rev in repo.changelog.descendants(roots):
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
187 revs[rev] = phase
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
188 return self._phaserevs
22894
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
189
22893
9672f0b2cdd9 phases: add invalidate function
Durham Goode <durham@fb.com>
parents: 22080
diff changeset
190 def invalidate(self):
9672f0b2cdd9 phases: add invalidate function
Durham Goode <durham@fb.com>
parents: 22080
diff changeset
191 self._phaserevs = None
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
192
22894
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
193 def _populatephaseroots(self, repo):
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
194 """Fills the _phaserevs cache with phases for the roots.
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
195 """
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
196 cl = repo.changelog
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
197 phaserevs = self._phaserevs
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
198 for phase in trackedphases:
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
199 roots = map(cl.rev, self.phaseroots[phase])
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
200 for root in roots:
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
201 phaserevs[root] = phase
c40be72dc177 phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents: 22893
diff changeset
202
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
203 def phase(self, repo, rev):
17424
e7cfe3587ea4 fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents: 17205
diff changeset
204 # We need a repo argument here to be able to build _phaserevs
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
205 # if necessary. The repository instance is not stored in
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
206 # phasecache to avoid reference cycles. The changelog instance
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
207 # is not stored because it is a filecache() property and can
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
208 # be replaced without us being notified.
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
209 if rev == nullrev:
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
210 return public
19984
7d5e7799a29f rebase: fix rebase aborts when 'tip-1' is public (issue4082)
Durham Goode <durham@fb.com>
parents: 19951
diff changeset
211 if rev < nullrev:
7d5e7799a29f rebase: fix rebase aborts when 'tip-1' is public (issue4082)
Durham Goode <durham@fb.com>
parents: 19951
diff changeset
212 raise ValueError(_('cannot lookup negative revision'))
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
213 if self._phaserevs is None or rev >= len(self._phaserevs):
22893
9672f0b2cdd9 phases: add invalidate function
Durham Goode <durham@fb.com>
parents: 22080
diff changeset
214 self.invalidate()
9672f0b2cdd9 phases: add invalidate function
Durham Goode <durham@fb.com>
parents: 22080
diff changeset
215 self._phaserevs = self.getphaserevs(repo)
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
216 return self._phaserevs[rev]
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
217
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
218 def write(self):
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
219 if not self.dirty:
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
220 return
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
221 f = self.opener('phaseroots', 'w', atomictemp=True)
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
222 try:
22079
5dcc58649b1a phase: extract the phaseroots serialization in a dedicated method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22070
diff changeset
223 self._write(f)
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
224 finally:
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
225 f.close()
22079
5dcc58649b1a phase: extract the phaseroots serialization in a dedicated method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22070
diff changeset
226
5dcc58649b1a phase: extract the phaseroots serialization in a dedicated method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22070
diff changeset
227 def _write(self, fp):
5dcc58649b1a phase: extract the phaseroots serialization in a dedicated method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22070
diff changeset
228 for phase, roots in enumerate(self.phaseroots):
5dcc58649b1a phase: extract the phaseroots serialization in a dedicated method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22070
diff changeset
229 for h in roots:
5dcc58649b1a phase: extract the phaseroots serialization in a dedicated method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22070
diff changeset
230 fp.write('%i %s\n' % (phase, hex(h)))
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
231 self.dirty = False
15454
5a7dde5adec8 phases: add a moveboundary function to move phases boundaries
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15419
diff changeset
232
22080
37f46575d9c2 phase: attach phase to the transaction instead of the lock
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22079
diff changeset
233 def _updateroots(self, phase, newroots, tr):
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
234 self.phaseroots[phase] = newroots
22893
9672f0b2cdd9 phases: add invalidate function
Durham Goode <durham@fb.com>
parents: 22080
diff changeset
235 self.invalidate()
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
236 self.dirty = True
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
237
22080
37f46575d9c2 phase: attach phase to the transaction instead of the lock
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22079
diff changeset
238 tr.addfilegenerator('phase', ('phaseroots',), self._write)
22940
e803186296ab phases: inform transaction-related hooks that a phase was moved
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22894
diff changeset
239 tr.hookargs['phases_moved'] = '1'
22080
37f46575d9c2 phase: attach phase to the transaction instead of the lock
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22079
diff changeset
240
22069
616a455b02ca phase: add a transaction argument to advanceboundary
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22052
diff changeset
241 def advanceboundary(self, repo, tr, targetphase, nodes):
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
242 # Be careful to preserve shallow-copied values: do not update
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
243 # phaseroots values, replace them.
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
244
18002
9bc5873e52af clfilter: phases logic should be unfiltered
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17979
diff changeset
245 repo = repo.unfiltered()
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
246 delroots = [] # set of root deleted by this path
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
247 for phase in xrange(targetphase + 1, len(allphases)):
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
248 # filter nodes that are not in a compatible phase already
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
249 nodes = [n for n in nodes
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
250 if self.phase(repo, repo[n].rev()) >= phase]
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
251 if not nodes:
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
252 break # no roots to move anymore
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
253 olds = self.phaseroots[phase]
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
254 roots = set(ctx.node() for ctx in repo.set(
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
255 'roots((%ln::) - (%ln::%ln))', olds, olds, nodes))
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
256 if olds != roots:
22080
37f46575d9c2 phase: attach phase to the transaction instead of the lock
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22079
diff changeset
257 self._updateroots(phase, roots, tr)
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
258 # some roots may need to be declared for lower phases
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
259 delroots.extend(olds - roots)
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
260 # declare deleted root in the target phase
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
261 if targetphase != 0:
22070
c1ca47204590 phase: add a transaction argument to retractboundary
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22069
diff changeset
262 self.retractboundary(repo, tr, targetphase, delroots)
18105
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263 repo.invalidatevolatilesets()
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264
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265 def retractboundary(self, repo, tr, targetphase, nodes):
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266 # Be careful to preserve shallow-copied values: do not update
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267 # phaseroots values, replace them.
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268
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269 repo = repo.unfiltered()
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270 currentroots = self.phaseroots[targetphase]
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271 newroots = [n for n in nodes
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272 if self.phase(repo, repo[n].rev()) < targetphase]
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273 if newroots:
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274 if nullid in newroots:
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275 raise util.Abort(_('cannot change null revision phase'))
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276 currentroots = currentroots.copy()
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277 currentroots.update(newroots)
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278 ctxs = repo.set('roots(%ln::)', currentroots)
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279 currentroots.intersection_update(ctx.node() for ctx in ctxs)
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280 self._updateroots(targetphase, currentroots, tr)
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281 repo.invalidatevolatilesets()
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282
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283 def filterunknown(self, repo):
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284 """remove unknown nodes from the phase boundary
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285
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286 Nothing is lost as unknown nodes only hold data for their descendants.
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287 """
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288 filtered = False
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289 nodemap = repo.changelog.nodemap # to filter unknown nodes
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290 for phase, nodes in enumerate(self.phaseroots):
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291 missing = sorted(node for node in nodes if node not in nodemap)
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292 if missing:
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293 for mnode in missing:
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294 repo.ui.debug(
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295 'removing unknown node %s from %i-phase boundary\n'
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296 % (short(mnode), phase))
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297 nodes.symmetric_difference_update(missing)
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298 filtered = True
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299 if filtered:
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300 self.dirty = True
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301 # filterunknown is called by repo.destroyed, we may have no changes in
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302 # root but phaserevs contents is certainly invalid (or at least we
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303 # have not proper way to check that). related to issue 3858.
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304 #
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305 # The other caller is __init__ that have no _phaserevs initialized
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diff changeset
306 # anyway. If this change we should consider adding a dedicated
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307 # "destroyed" function to phasecache or a proper cache key mechanism
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diff changeset
308 # (see branchmap one)
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309 self.invalidate()
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310
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311 def advanceboundary(repo, tr, targetphase, nodes):
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312 """Add nodes to a phase changing other nodes phases if necessary.
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313
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314 This function move boundary *forward* this means that all nodes
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315 are set in the target phase or kept in a *lower* phase.
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316
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317 Simplify boundary to contains phase roots only."""
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318 phcache = repo._phasecache.copy()
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319 phcache.advanceboundary(repo, tr, targetphase, nodes)
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320 repo._phasecache.replace(phcache)
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321
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322 def retractboundary(repo, tr, targetphase, nodes):
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323 """Set nodes back to a phase changing other nodes phases if
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diff changeset
324 necessary.
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325
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326 This function move boundary *backward* this means that all nodes
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diff changeset
327 are set in the target phase or kept in a *higher* phase.
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328
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329 Simplify boundary to contains phase roots only."""
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330 phcache = repo._phasecache.copy()
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331 phcache.retractboundary(repo, tr, targetphase, nodes)
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diff changeset
332 repo._phasecache.replace(phcache)
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diff changeset
333
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334 def listphases(repo):
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335 """List phases root for serialization over pushkey"""
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diff changeset
336 keys = {}
15892
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diff changeset
337 value = '%i' % draft
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diff changeset
338 for root in repo._phasecache.phaseroots[draft]:
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diff changeset
339 keys[hex(root)] = value
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diff changeset
340
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diff changeset
341 if repo.ui.configbool('phases', 'publish', True):
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diff changeset
342 # Add an extra data to let remote know we are a publishing
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diff changeset
343 # repo. Publishing repo can't just pretend they are old repo.
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344 # When pushing to a publishing repo, the client still need to
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345 # push phase boundary
15648
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diff changeset
346 #
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diff changeset
347 # Push do not only push changeset. It also push phase data.
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diff changeset
348 # New phase data may apply to common changeset which won't be
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diff changeset
349 # push (as they are common). Here is a very simple example:
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diff changeset
350 #
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diff changeset
351 # 1) repo A push changeset X as draft to repo B
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diff changeset
352 # 2) repo B make changeset X public
16725
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diff changeset
353 # 3) repo B push to repo A. X is not pushed but the data that
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diff changeset
354 # X as now public should
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diff changeset
355 #
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356 # The server can't handle it on it's own as it has no idea of
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diff changeset
357 # client phase data.
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diff changeset
358 keys['publishing'] = 'True'
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diff changeset
359 return keys
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diff changeset
360
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diff changeset
361 def pushphase(repo, nhex, oldphasestr, newphasestr):
17535
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timeless@mozdev.org
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diff changeset
362 """List phases root for serialization over pushkey"""
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diff changeset
363 repo = repo.unfiltered()
22052
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parents: 20550
diff changeset
364 tr = None
15648
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diff changeset
365 lock = repo.lock()
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diff changeset
366 try:
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diff changeset
367 currentphase = repo[nhex].phase()
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diff changeset
368 newphase = abs(int(newphasestr)) # let's avoid negative index surprise
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diff changeset
369 oldphase = abs(int(oldphasestr)) # let's avoid negative index surprise
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diff changeset
370 if currentphase == oldphase and newphase < oldphase:
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diff changeset
371 tr = repo.transaction('pushkey-phase')
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diff changeset
372 advanceboundary(repo, tr, newphase, [bin(nhex)])
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diff changeset
373 tr.close()
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diff changeset
374 return 1
16051
2aa5b51f310f phases: don't complain if cset is already public on pushkey (issue3230)
Matt Mackall <mpm@selenic.com>
parents: 16030
diff changeset
375 elif currentphase == newphase:
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Matt Mackall <mpm@selenic.com>
parents: 16030
diff changeset
376 # raced, but got correct result
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Matt Mackall <mpm@selenic.com>
parents: 16030
diff changeset
377 return 1
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diff changeset
378 else:
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diff changeset
379 return 0
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diff changeset
380 finally:
22052
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diff changeset
381 if tr:
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diff changeset
382 tr.release()
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diff changeset
383 lock.release()
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parents: 15648
diff changeset
384
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diff changeset
385 def analyzeremotephases(repo, subset, roots):
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diff changeset
386 """Compute phases heads and root in a subset of node from root dict
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parents: 15648
diff changeset
387
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parents: 15648
diff changeset
388 * subset is heads of the subset
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parents: 15648
diff changeset
389 * roots is {<nodeid> => phase} mapping. key and value are string.
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390
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391 Accept unknown element input
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392 """
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393 repo = repo.unfiltered()
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394 # build list from dictionary
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395 draftroots = []
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396 nodemap = repo.changelog.nodemap # to filter unknown nodes
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397 for nhex, phase in roots.iteritems():
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398 if nhex == 'publishing': # ignore data related to publish option
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399 continue
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400 node = bin(nhex)
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401 phase = int(phase)
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402 if phase == 0:
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403 if node != nullid:
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404 repo.ui.warn(_('ignoring inconsistent public root'
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405 ' from remote: %s\n') % nhex)
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406 elif phase == 1:
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407 if node in nodemap:
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408 draftroots.append(node)
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409 else:
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410 repo.ui.warn(_('ignoring unexpected root from remote: %i %s\n')
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411 % (phase, nhex))
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412 # compute heads
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413 publicheads = newheads(repo, subset, draftroots)
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414 return publicheads, draftroots
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415
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416 def newheads(repo, heads, roots):
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417 """compute new head of a subset minus another
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418
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419 * `heads`: define the first subset
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420 * `roots`: define the second we subtract from the first"""
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421 repo = repo.unfiltered()
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422 revset = repo.set('heads((%ln + parents(%ln)) - (%ln::%ln))',
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423 heads, roots, roots, heads)
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424 return [c.node() for c in revset]
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425
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426
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427 def newcommitphase(ui):
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428 """helper to get the target phase of new commit
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429
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430 Handle all possible values for the phases.new-commit options.
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431
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432 """
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433 v = ui.config('phases', 'new-commit', draft)
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434 try:
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435 return phasenames.index(v)
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436 except ValueError:
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437 try:
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438 return int(v)
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439 except ValueError:
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440 msg = _("phases.new-commit: not a valid phase name ('%s')")
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441 raise error.ConfigError(msg % v)
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442
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443 def hassecret(repo):
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444 """utility function that check if a repo have any secret changeset."""
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445 return bool(repo._phasecache.phaseroots[2])