annotate mercurial/phases.py @ 21771:0f3353776038

mq: define norepo in command decorator
author Gregory Szorc <gregory.szorc@gmail.com>
date Sun, 04 May 2014 22:04:14 -0700
parents 1716a2671ec7
children 793f9276aeb9
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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 errno
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104 from node import nullid, nullrev, bin, hex, short
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105 from i18n import _
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106 import util, error
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107
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108 allphases = public, draft, secret = range(3)
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109 trackedphases = allphases[1:]
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110 phasenames = ['public', 'draft', 'secret']
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111
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112 def _readroots(repo, phasedefaults=None):
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113 """Read phase roots from disk
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114
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115 phasedefaults is a list of fn(repo, roots) callable, which are
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116 executed if the phase roots file does not exist. When phases are
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117 being initialized on an existing repository, this could be used to
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118 set selected changesets phase to something else than public.
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119
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120 Return (roots, dirty) where dirty is true if roots differ from
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121 what is being stored.
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122 """
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123 repo = repo.unfiltered()
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124 dirty = False
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125 roots = [set() for i in allphases]
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126 try:
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diff changeset
127 f = repo.sopener('phaseroots')
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
128 try:
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
129 for line in f:
16588
72319bfd7966 phases: line.strip().split() == line.split()
Martin Geisler <mg@aragost.com>
parents: 16535
diff changeset
130 phase, nh = line.split()
15418
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
131 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
132 finally:
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
133 f.close()
15419
ccb7de21625a phases: handle errors other than ENOENT appropriately
Matt Mackall <mpm@selenic.com>
parents: 15418
diff changeset
134 except IOError, inst:
ccb7de21625a phases: handle errors other than ENOENT appropriately
Matt Mackall <mpm@selenic.com>
parents: 15418
diff changeset
135 if inst.errno != errno.ENOENT:
ccb7de21625a phases: handle errors other than ENOENT appropriately
Matt Mackall <mpm@selenic.com>
parents: 15418
diff changeset
136 raise
16625
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
137 if phasedefaults:
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
138 for f in phasedefaults:
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
139 roots = f(repo, roots)
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
140 dirty = True
df9df747070d phases: stop modifying localrepo in readroots()
Patrick Mezard <patrick@mezard.eu>
parents: 16624
diff changeset
141 return roots, dirty
15418
cf729af26963 phases: basic I/O logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15417
diff changeset
142
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
143 class phasecache(object):
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
144 def __init__(self, repo, phasedefaults, _load=True):
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
145 if _load:
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
146 # Cheap trick to allow shallow-copy without copy module
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parents: 16657
diff changeset
147 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
148 self._phaserevs = None
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Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
149 self.filterunknown(repo)
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
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parents: 16657
diff changeset
150 self.opener = repo.sopener
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parents: 16657
diff changeset
151
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
152 def copy(self):
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
153 # Shallow copy meant to ensure isolation in
6b3d31d04a69 phases: make advance/retractboundary() atomic
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parents: 16657
diff changeset
154 # advance/retractboundary(), nothing more.
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
155 ph = phasecache(None, None, _load=False)
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
156 ph.phaseroots = self.phaseroots[:]
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
157 ph.dirty = self.dirty
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
158 ph.opener = self.opener
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
159 ph._phaserevs = self._phaserevs
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
160 return ph
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
161
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
162 def replace(self, phcache):
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
163 for a in 'phaseroots dirty opener _phaserevs'.split():
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
164 setattr(self, a, getattr(phcache, a))
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
165
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
166 def getphaserevs(self, repo, rebuild=False):
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
167 if rebuild or 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
168 repo = repo.unfiltered()
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
169 revs = [public] * len(repo.changelog)
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
170 for phase in trackedphases:
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
171 roots = map(repo.changelog.rev, self.phaseroots[phase])
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
172 if roots:
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
173 for rev in roots:
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
174 revs[rev] = phase
16867
1093ad1e8903 revlog: descendants(*revs) becomes descendants(revs) (API)
Bryan O'Sullivan <bryano@fb.com>
parents: 16725
diff changeset
175 for rev in repo.changelog.descendants(roots):
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
176 revs[rev] = phase
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
177 self._phaserevs = revs
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
178 return self._phaserevs
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
179
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
180 def phase(self, repo, rev):
17424
e7cfe3587ea4 fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents: 17205
diff changeset
181 # 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
182 # if necessary. The repository instance is not stored in
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
183 # phasecache to avoid reference cycles. The changelog instance
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
184 # is not stored because it is a filecache() property and can
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
185 # be replaced without us being notified.
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
186 if rev == nullrev:
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
187 return public
19984
7d5e7799a29f rebase: fix rebase aborts when 'tip-1' is public (issue4082)
Durham Goode <durham@fb.com>
parents: 19951
diff changeset
188 if rev < nullrev:
7d5e7799a29f rebase: fix rebase aborts when 'tip-1' is public (issue4082)
Durham Goode <durham@fb.com>
parents: 19951
diff changeset
189 raise ValueError(_('cannot lookup negative revision'))
16657
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
190 if self._phaserevs is None or rev >= len(self._phaserevs):
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
191 self._phaserevs = self.getphaserevs(repo, rebuild=True)
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
192 return self._phaserevs[rev]
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
193
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
194 def write(self):
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
195 if not self.dirty:
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
196 return
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
197 f = self.opener('phaseroots', 'w', atomictemp=True)
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
198 try:
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
199 for phase, roots in enumerate(self.phaseroots):
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
200 for h in roots:
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
201 f.write('%i %s\n' % (phase, hex(h)))
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Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
202 finally:
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
203 f.close()
b6081c2c4647 phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents: 16626
diff changeset
204 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
205
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
206 def _updateroots(self, phase, newroots):
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
207 self.phaseroots[phase] = newroots
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
208 self._phaserevs = None
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
209 self.dirty = True
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
210
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
211 def advanceboundary(self, repo, targetphase, nodes):
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
212 # Be careful to preserve shallow-copied values: do not update
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Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
213 # phaseroots values, replace them.
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
214
18002
9bc5873e52af clfilter: phases logic should be unfiltered
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17979
diff changeset
215 repo = repo.unfiltered()
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
216 delroots = [] # set of root deleted by this path
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
217 for phase in xrange(targetphase + 1, len(allphases)):
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
218 # 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
219 nodes = [n for n in nodes
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
220 if self.phase(repo, repo[n].rev()) >= phase]
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
221 if not nodes:
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
222 break # no roots to move anymore
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
223 olds = self.phaseroots[phase]
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
224 roots = set(ctx.node() for ctx in repo.set(
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
225 'roots((%ln::) - (%ln::%ln))', olds, olds, nodes))
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
226 if olds != roots:
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
227 self._updateroots(phase, roots)
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
228 # 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
229 delroots.extend(olds - roots)
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
230 # declare deleted root in the target phase
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
231 if targetphase != 0:
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
232 self.retractboundary(repo, targetphase, delroots)
18105
312262ebc223 cache: group obscache and revsfiltercache invalidation in a single function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18101
diff changeset
233 repo.invalidatevolatilesets()
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
234
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
235 def retractboundary(self, repo, targetphase, nodes):
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
236 # 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
237 # phaseroots values, replace them.
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
238
18002
9bc5873e52af clfilter: phases logic should be unfiltered
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17979
diff changeset
239 repo = repo.unfiltered()
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
240 currentroots = self.phaseroots[targetphase]
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
241 newroots = [n for n in nodes
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
242 if self.phase(repo, repo[n].rev()) < targetphase]
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
243 if newroots:
16659
58edd786e96f phase: make if abort on nullid for the good reason
Patrick Mezard <patrick@mezard.eu>
parents: 16658
diff changeset
244 if nullid in newroots:
58edd786e96f phase: make if abort on nullid for the good reason
Patrick Mezard <patrick@mezard.eu>
parents: 16658
diff changeset
245 raise util.Abort(_('cannot change null revision phase'))
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
246 currentroots = currentroots.copy()
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
247 currentroots.update(newroots)
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
248 ctxs = repo.set('roots(%ln::)', currentroots)
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
249 currentroots.intersection_update(ctx.node() for ctx in ctxs)
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
250 self._updateroots(targetphase, currentroots)
18105
312262ebc223 cache: group obscache and revsfiltercache invalidation in a single function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18101
diff changeset
251 repo.invalidatevolatilesets()
16658
6b3d31d04a69 phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents: 16657
diff changeset
252
18220
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
253 def filterunknown(self, repo):
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
254 """remove unknown nodes from the phase boundary
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
255
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
256 Nothing is lost as unknown nodes only hold data for their descendants.
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
257 """
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
258 filtered = False
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
259 nodemap = repo.changelog.nodemap # to filter unknown nodes
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
260 for phase, nodes in enumerate(self.phaseroots):
20550
1716a2671ec7 phases: make order of debug output 'removing unknown node' deterministic
Mads Kiilerich <madski@unity3d.com>
parents: 19984
diff changeset
261 missing = sorted(node for node in nodes if node not in nodemap)
18220
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
262 if missing:
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
263 for mnode in missing:
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
parents: 18105
diff changeset
264 repo.ui.debug(
767d1c602c8b phases: make _filterunknown a member function of phasecache
Idan Kamara <idankk86@gmail.com>
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265 'removing unknown node %s from %i-phase boundary\n'
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266 % (short(mnode), phase))
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267 nodes.symmetric_difference_update(missing)
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268 filtered = True
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269 if filtered:
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270 self.dirty = True
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271 # filterunknown is called by repo.destroyed, we may have no changes in
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272 # root but phaserevs contents is certainly invalid (or at least we
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273 # have not proper way to check that). related to issue 3858.
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274 #
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275 # The other caller is __init__ that have no _phaserevs initialized
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276 # anyway. If this change we should consider adding a dedicated
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277 # "destroyed" function to phasecache or a proper cache key mechanism
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278 # (see branchmap one)
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279 self._phaserevs = None
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280
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281 def advanceboundary(repo, targetphase, nodes):
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282 """Add nodes to a phase changing other nodes phases if necessary.
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283
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284 This function move boundary *forward* this means that all nodes
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285 are set in the target phase or kept in a *lower* phase.
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286
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287 Simplify boundary to contains phase roots only."""
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288 phcache = repo._phasecache.copy()
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289 phcache.advanceboundary(repo, targetphase, nodes)
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290 repo._phasecache.replace(phcache)
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291
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292 def retractboundary(repo, targetphase, nodes):
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293 """Set nodes back to a phase changing other nodes phases if
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294 necessary.
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295
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296 This function move boundary *backward* this means that all nodes
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297 are set in the target phase or kept in a *higher* phase.
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298
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299 Simplify boundary to contains phase roots only."""
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300 phcache = repo._phasecache.copy()
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301 phcache.retractboundary(repo, targetphase, nodes)
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302 repo._phasecache.replace(phcache)
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303
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304 def listphases(repo):
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305 """List phases root for serialization over pushkey"""
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306 keys = {}
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307 value = '%i' % draft
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308 for root in repo._phasecache.phaseroots[draft]:
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309 keys[hex(root)] = value
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310
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311 if repo.ui.configbool('phases', 'publish', True):
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312 # Add an extra data to let remote know we are a publishing
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313 # repo. Publishing repo can't just pretend they are old repo.
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314 # When pushing to a publishing repo, the client still need to
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315 # push phase boundary
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316 #
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317 # Push do not only push changeset. It also push phase data.
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318 # New phase data may apply to common changeset which won't be
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319 # push (as they are common). Here is a very simple example:
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320 #
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321 # 1) repo A push changeset X as draft to repo B
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322 # 2) repo B make changeset X public
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323 # 3) repo B push to repo A. X is not pushed but the data that
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324 # X as now public should
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325 #
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326 # The server can't handle it on it's own as it has no idea of
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327 # client phase data.
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328 keys['publishing'] = 'True'
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329 return keys
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330
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331 def pushphase(repo, nhex, oldphasestr, newphasestr):
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332 """List phases root for serialization over pushkey"""
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333 repo = repo.unfiltered()
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334 lock = repo.lock()
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335 try:
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336 currentphase = repo[nhex].phase()
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337 newphase = abs(int(newphasestr)) # let's avoid negative index surprise
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338 oldphase = abs(int(oldphasestr)) # let's avoid negative index surprise
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339 if currentphase == oldphase and newphase < oldphase:
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340 advanceboundary(repo, newphase, [bin(nhex)])
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341 return 1
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342 elif currentphase == newphase:
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343 # raced, but got correct result
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344 return 1
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345 else:
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346 return 0
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347 finally:
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348 lock.release()
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349
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350 def analyzeremotephases(repo, subset, roots):
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351 """Compute phases heads and root in a subset of node from root dict
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352
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353 * subset is heads of the subset
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354 * roots is {<nodeid> => phase} mapping. key and value are string.
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355
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356 Accept unknown element input
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357 """
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358 repo = repo.unfiltered()
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359 # build list from dictionary
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360 draftroots = []
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361 nodemap = repo.changelog.nodemap # to filter unknown nodes
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362 for nhex, phase in roots.iteritems():
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363 if nhex == 'publishing': # ignore data related to publish option
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364 continue
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365 node = bin(nhex)
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366 phase = int(phase)
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367 if phase == 0:
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368 if node != nullid:
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369 repo.ui.warn(_('ignoring inconsistent public root'
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370 ' from remote: %s\n') % nhex)
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371 elif phase == 1:
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372 if node in nodemap:
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373 draftroots.append(node)
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374 else:
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375 repo.ui.warn(_('ignoring unexpected root from remote: %i %s\n')
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376 % (phase, nhex))
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377 # compute heads
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378 publicheads = newheads(repo, subset, draftroots)
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379 return publicheads, draftroots
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380
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381 def newheads(repo, heads, roots):
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382 """compute new head of a subset minus another
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383
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384 * `heads`: define the first subset
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385 * `roots`: define the second we subtract from the first"""
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386 repo = repo.unfiltered()
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387 revset = repo.set('heads((%ln + parents(%ln)) - (%ln::%ln))',
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388 heads, roots, roots, heads)
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389 return [c.node() for c in revset]
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diff changeset
390
16030
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391
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parents: 16025
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392 def newcommitphase(ui):
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393 """helper to get the target phase of new commit
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394
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parents: 16025
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395 Handle all possible values for the phases.new-commit options.
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parents: 16025
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396
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397 """
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398 v = ui.config('phases', 'new-commit', draft)
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399 try:
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400 return phasenames.index(v)
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401 except ValueError:
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parents: 16025
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402 try:
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403 return int(v)
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parents: 16025
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404 except ValueError:
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parents: 16025
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405 msg = _("phases.new-commit: not a valid phase name ('%s')")
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parents: 16025
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406 raise error.ConfigError(msg % v)
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parents: 16025
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407
17671
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408 def hassecret(repo):
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409 """utility function that check if a repo have any secret changeset."""
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410 return bool(repo._phasecache.phaseroots[2])