Mercurial > hg
annotate mercurial/phases.py @ 37558:8a73132214a3
httppeer: support protocol upgrade
With the new handshake defined and in place on the server, we can
now implement it on the client.
The HTTP handshake mechanism has been taught to add headers advertising
its support for the new capabilities response. Response handling
has been adjusted to allow CBOR responses through. And makepeer()
has been taught to instantiate a mutually supported peer.
The HTTPv2 peer class doesn't implement the full peer interface. So
HTTPv2 is not yet usable as a peer.
Like the server side, we support registering handlers for
different API services. This allows extensions to easily implement
API services and peers. A practical use case for this is to
provide a previous implementation of the experimental version 2
wire protocol to a future version of Mercurial. We know there will
be BC breaks after 4.6 ships. But someone could take the peer and
server code from 4.6, drop it in an extension, and allow its use
indefinitely.
Differential Revision: https://phab.mercurial-scm.org/D3243
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Tue, 10 Apr 2018 18:16:47 -0700 |
parents | 3118766266ae |
children | 02f992ac26e9 |
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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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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15 |
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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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26 |
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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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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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103 from __future__ import absolute_import |
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104 |
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105 import errno |
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106 import struct |
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107 |
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108 from .i18n import _ |
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109 from .node import ( |
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110 bin, |
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111 hex, |
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112 nullid, |
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113 nullrev, |
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114 short, |
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115 ) |
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116 from . import ( |
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117 error, |
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118 pycompat, |
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119 smartset, |
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120 txnutil, |
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121 util, |
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122 ) |
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123 |
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124 _fphasesentry = struct.Struct('>i20s') |
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125 |
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126 allphases = public, draft, secret = range(3) |
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127 trackedphases = allphases[1:] |
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128 phasenames = ['public', 'draft', 'secret'] |
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129 |
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130 def _readroots(repo, phasedefaults=None): |
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131 """Read phase roots from disk |
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132 |
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133 phasedefaults is a list of fn(repo, roots) callable, which are |
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134 executed if the phase roots file does not exist. When phases are |
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135 being initialized on an existing repository, this could be used to |
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136 set selected changesets phase to something else than public. |
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137 |
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138 Return (roots, dirty) where dirty is true if roots differ from |
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139 what is being stored. |
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140 """ |
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141 repo = repo.unfiltered() |
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142 dirty = False |
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143 roots = [set() for i in allphases] |
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144 try: |
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145 f, pending = txnutil.trypending(repo.root, repo.svfs, 'phaseroots') |
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146 try: |
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147 for line in f: |
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148 phase, nh = line.split() |
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149 roots[int(phase)].add(bin(nh)) |
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150 finally: |
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151 f.close() |
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152 except IOError as inst: |
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153 if inst.errno != errno.ENOENT: |
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154 raise |
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155 if phasedefaults: |
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156 for f in phasedefaults: |
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157 roots = f(repo, roots) |
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158 dirty = True |
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159 return roots, dirty |
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160 |
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161 def binaryencode(phasemapping): |
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162 """encode a 'phase -> nodes' mapping into a binary stream |
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163 |
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164 Since phases are integer the mapping is actually a python list: |
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165 [[PUBLIC_HEADS], [DRAFTS_HEADS], [SECRET_HEADS]] |
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166 """ |
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167 binarydata = [] |
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168 for phase, nodes in enumerate(phasemapping): |
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169 for head in nodes: |
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170 binarydata.append(_fphasesentry.pack(phase, head)) |
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171 return ''.join(binarydata) |
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172 |
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173 def binarydecode(stream): |
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174 """decode a binary stream into a 'phase -> nodes' mapping |
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175 |
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176 Since phases are integer the mapping is actually a python list.""" |
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177 headsbyphase = [[] for i in allphases] |
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178 entrysize = _fphasesentry.size |
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179 while True: |
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180 entry = stream.read(entrysize) |
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181 if len(entry) < entrysize: |
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182 if entry: |
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183 raise error.Abort(_('bad phase-heads stream')) |
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184 break |
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185 phase, node = _fphasesentry.unpack(entry) |
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186 headsbyphase[phase].append(node) |
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187 return headsbyphase |
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188 |
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189 def _trackphasechange(data, rev, old, new): |
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190 """add a phase move the <data> dictionnary |
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191 |
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192 If data is None, nothing happens. |
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193 """ |
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194 if data is None: |
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195 return |
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196 existing = data.get(rev) |
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197 if existing is not None: |
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198 old = existing[0] |
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199 data[rev] = (old, new) |
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200 |
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201 class phasecache(object): |
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202 def __init__(self, repo, phasedefaults, _load=True): |
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203 if _load: |
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204 # Cheap trick to allow shallow-copy without copy module |
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205 self.phaseroots, self.dirty = _readroots(repo, phasedefaults) |
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206 self._loadedrevslen = 0 |
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207 self._phasesets = None |
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208 self.filterunknown(repo) |
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209 self.opener = repo.svfs |
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210 |
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211 def getrevset(self, repo, phases, subset=None): |
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212 """return a smartset for the given phases""" |
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213 self.loadphaserevs(repo) # ensure phase's sets are loaded |
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214 phases = set(phases) |
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215 if public not in phases: |
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216 # fast path: _phasesets contains the interesting sets, |
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217 # might only need a union and post-filtering. |
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218 if len(phases) == 1: |
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219 [p] = phases |
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220 revs = self._phasesets[p] |
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221 else: |
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222 revs = set.union(*[self._phasesets[p] for p in phases]) |
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223 if repo.changelog.filteredrevs: |
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224 revs = revs - repo.changelog.filteredrevs |
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225 if subset is None: |
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226 return smartset.baseset(revs) |
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227 else: |
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228 return subset & smartset.baseset(revs) |
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229 else: |
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230 phases = set(allphases).difference(phases) |
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231 if not phases: |
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232 return smartset.fullreposet(repo) |
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233 if len(phases) == 1: |
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234 [p] = phases |
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235 revs = self._phasesets[p] |
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236 else: |
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237 revs = set.union(*[self._phasesets[p] for p in phases]) |
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238 if subset is None: |
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239 subset = smartset.fullreposet(repo) |
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240 if not revs: |
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241 return subset |
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242 return subset.filter(lambda r: r not in revs) |
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243 |
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244 def copy(self): |
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245 # Shallow copy meant to ensure isolation in |
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246 # advance/retractboundary(), nothing more. |
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247 ph = self.__class__(None, None, _load=False) |
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248 ph.phaseroots = self.phaseroots[:] |
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249 ph.dirty = self.dirty |
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250 ph.opener = self.opener |
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251 ph._loadedrevslen = self._loadedrevslen |
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252 ph._phasesets = self._phasesets |
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253 return ph |
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254 |
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255 def replace(self, phcache): |
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256 """replace all values in 'self' with content of phcache""" |
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257 for a in ('phaseroots', 'dirty', 'opener', '_loadedrevslen', |
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258 '_phasesets'): |
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259 setattr(self, a, getattr(phcache, a)) |
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260 |
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261 def _getphaserevsnative(self, repo): |
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262 repo = repo.unfiltered() |
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263 nativeroots = [] |
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264 for phase in trackedphases: |
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265 nativeroots.append(pycompat.maplist(repo.changelog.rev, |
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266 self.phaseroots[phase])) |
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267 return repo.changelog.computephases(nativeroots) |
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268 |
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269 def _computephaserevspure(self, repo): |
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270 repo = repo.unfiltered() |
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271 cl = repo.changelog |
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272 self._phasesets = [set() for phase in allphases] |
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273 roots = pycompat.maplist(cl.rev, self.phaseroots[secret]) |
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274 if roots: |
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275 ps = set(cl.descendants(roots)) |
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276 for root in roots: |
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277 ps.add(root) |
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278 self._phasesets[secret] = ps |
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279 roots = pycompat.maplist(cl.rev, self.phaseroots[draft]) |
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280 if roots: |
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281 ps = set(cl.descendants(roots)) |
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282 for root in roots: |
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283 ps.add(root) |
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284 ps.difference_update(self._phasesets[secret]) |
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285 self._phasesets[draft] = ps |
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286 self._loadedrevslen = len(cl) |
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287 |
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288 def loadphaserevs(self, repo): |
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289 """ensure phase information is loaded in the object""" |
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290 if self._phasesets is None: |
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291 try: |
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292 res = self._getphaserevsnative(repo) |
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293 self._loadedrevslen, self._phasesets = res |
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294 except AttributeError: |
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295 self._computephaserevspure(repo) |
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296 |
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297 def invalidate(self): |
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298 self._loadedrevslen = 0 |
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299 self._phasesets = None |
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300 |
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301 def phase(self, repo, rev): |
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302 # We need a repo argument here to be able to build _phasesets |
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303 # if necessary. The repository instance is not stored in |
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304 # phasecache to avoid reference cycles. The changelog instance |
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305 # is not stored because it is a filecache() property and can |
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306 # be replaced without us being notified. |
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307 if rev == nullrev: |
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308 return public |
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309 if rev < nullrev: |
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310 raise ValueError(_('cannot lookup negative revision')) |
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311 if rev >= self._loadedrevslen: |
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312 self.invalidate() |
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313 self.loadphaserevs(repo) |
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314 for phase in trackedphases: |
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315 if rev in self._phasesets[phase]: |
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316 return phase |
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317 return public |
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318 |
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319 def write(self): |
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320 if not self.dirty: |
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321 return |
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322 f = self.opener('phaseroots', 'w', atomictemp=True, checkambig=True) |
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323 try: |
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324 self._write(f) |
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325 finally: |
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326 f.close() |
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327 |
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328 def _write(self, fp): |
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329 for phase, roots in enumerate(self.phaseroots): |
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330 for h in sorted(roots): |
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331 fp.write('%i %s\n' % (phase, hex(h))) |
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332 self.dirty = False |
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333 |
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334 def _updateroots(self, phase, newroots, tr): |
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335 self.phaseroots[phase] = newroots |
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336 self.invalidate() |
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337 self.dirty = True |
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338 |
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339 tr.addfilegenerator('phase', ('phaseroots',), self._write) |
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340 tr.hookargs['phases_moved'] = '1' |
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341 |
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342 def registernew(self, repo, tr, targetphase, nodes): |
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343 repo = repo.unfiltered() |
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344 self._retractboundary(repo, tr, targetphase, nodes) |
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345 if tr is not None and 'phases' in tr.changes: |
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346 phasetracking = tr.changes['phases'] |
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347 torev = repo.changelog.rev |
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348 phase = self.phase |
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349 for n in nodes: |
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350 rev = torev(n) |
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351 revphase = phase(repo, rev) |
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352 _trackphasechange(phasetracking, rev, None, revphase) |
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353 repo.invalidatevolatilesets() |
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354 |
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355 def advanceboundary(self, repo, tr, targetphase, nodes): |
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356 """Set all 'nodes' to phase 'targetphase' |
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357 |
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358 Nodes with a phase lower than 'targetphase' are not affected. |
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359 """ |
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360 # Be careful to preserve shallow-copied values: do not update |
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361 # phaseroots values, replace them. |
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362 if tr is None: |
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363 phasetracking = None |
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364 else: |
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365 phasetracking = tr.changes.get('phases') |
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366 |
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367 repo = repo.unfiltered() |
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368 |
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369 delroots = [] # set of root deleted by this path |
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370 for phase in xrange(targetphase + 1, len(allphases)): |
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371 # filter nodes that are not in a compatible phase already |
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372 nodes = [n for n in nodes |
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373 if self.phase(repo, repo[n].rev()) >= phase] |
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374 if not nodes: |
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375 break # no roots to move anymore |
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376 |
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377 olds = self.phaseroots[phase] |
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378 |
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379 affected = repo.revs('%ln::%ln', olds, nodes) |
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380 for r in affected: |
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381 _trackphasechange(phasetracking, r, self.phase(repo, r), |
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382 targetphase) |
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383 |
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384 roots = set(ctx.node() for ctx in repo.set( |
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385 'roots((%ln::) - %ld)', olds, affected)) |
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386 if olds != roots: |
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387 self._updateroots(phase, roots, tr) |
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388 # some roots may need to be declared for lower phases |
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389 delroots.extend(olds - roots) |
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390 # declare deleted root in the target phase |
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391 if targetphase != 0: |
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392 self._retractboundary(repo, tr, targetphase, delroots) |
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393 repo.invalidatevolatilesets() |
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394 |
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395 def retractboundary(self, repo, tr, targetphase, nodes): |
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396 oldroots = self.phaseroots[:targetphase + 1] |
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397 if tr is None: |
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398 phasetracking = None |
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399 else: |
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400 phasetracking = tr.changes.get('phases') |
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401 repo = repo.unfiltered() |
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402 if (self._retractboundary(repo, tr, targetphase, nodes) |
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403 and phasetracking is not None): |
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404 |
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405 # find the affected revisions |
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406 new = self.phaseroots[targetphase] |
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407 old = oldroots[targetphase] |
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408 affected = set(repo.revs('(%ln::) - (%ln::)', new, old)) |
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409 |
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410 # find the phase of the affected revision |
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411 for phase in xrange(targetphase, -1, -1): |
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412 if phase: |
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413 roots = oldroots[phase] |
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414 revs = set(repo.revs('%ln::%ld', roots, affected)) |
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415 affected -= revs |
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416 else: # public phase |
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417 revs = affected |
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418 for r in revs: |
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419 _trackphasechange(phasetracking, r, phase, targetphase) |
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420 repo.invalidatevolatilesets() |
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421 |
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422 def _retractboundary(self, repo, tr, targetphase, nodes): |
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423 # Be careful to preserve shallow-copied values: do not update |
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424 # phaseroots values, replace them. |
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425 |
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426 repo = repo.unfiltered() |
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427 currentroots = self.phaseroots[targetphase] |
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428 finalroots = oldroots = set(currentroots) |
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429 newroots = [n for n in nodes |
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430 if self.phase(repo, repo[n].rev()) < targetphase] |
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431 if newroots: |
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432 |
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433 if nullid in newroots: |
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434 raise error.Abort(_('cannot change null revision phase')) |
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435 currentroots = currentroots.copy() |
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436 currentroots.update(newroots) |
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437 |
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438 # Only compute new roots for revs above the roots that are being |
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439 # retracted. |
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440 minnewroot = min(repo[n].rev() for n in newroots) |
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441 aboveroots = [n for n in currentroots |
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442 if repo[n].rev() >= minnewroot] |
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443 updatedroots = repo.set('roots(%ln::)', aboveroots) |
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444 |
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445 finalroots = set(n for n in currentroots if repo[n].rev() < |
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446 minnewroot) |
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447 finalroots.update(ctx.node() for ctx in updatedroots) |
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448 if finalroots != oldroots: |
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449 self._updateroots(targetphase, finalroots, tr) |
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450 return True |
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|
451 return False |
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452 |
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|
453 def filterunknown(self, repo): |
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454 """remove unknown nodes from the phase boundary |
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455 |
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456 Nothing is lost as unknown nodes only hold data for their descendants. |
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457 """ |
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458 filtered = False |
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459 nodemap = repo.changelog.nodemap # to filter unknown nodes |
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460 for phase, nodes in enumerate(self.phaseroots): |
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461 missing = sorted(node for node in nodes if node not in nodemap) |
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462 if missing: |
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463 for mnode in missing: |
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|
464 repo.ui.debug( |
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465 'removing unknown node %s from %i-phase boundary\n' |
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466 % (short(mnode), phase)) |
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467 nodes.symmetric_difference_update(missing) |
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468 filtered = True |
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469 if filtered: |
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470 self.dirty = True |
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diff
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471 # filterunknown is called by repo.destroyed, we may have no changes in |
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phases: drop the list with phase of each rev, always comput phase sets
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parents:
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472 # root but _phasesets contents is certainly invalid (or at least we |
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473 # have not proper way to check that). related to issue 3858. |
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474 # |
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475 # The other caller is __init__ that have no _phasesets initialized |
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476 # anyway. If this change we should consider adding a dedicated |
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477 # "destroyed" function to phasecache or a proper cache key mechanism |
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478 # (see branchmap one) |
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479 self.invalidate() |
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480 |
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481 def advanceboundary(repo, tr, targetphase, nodes): |
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482 """Add nodes to a phase changing other nodes phases if necessary. |
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483 |
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484 This function move boundary *forward* this means that all nodes |
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485 are set in the target phase or kept in a *lower* phase. |
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486 |
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487 Simplify boundary to contains phase roots only.""" |
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488 phcache = repo._phasecache.copy() |
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489 phcache.advanceboundary(repo, tr, targetphase, nodes) |
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490 repo._phasecache.replace(phcache) |
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|
491 |
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492 def retractboundary(repo, tr, targetphase, nodes): |
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493 """Set nodes back to a phase changing other nodes phases if |
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494 necessary. |
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495 |
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496 This function move boundary *backward* this means that all nodes |
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497 are set in the target phase or kept in a *higher* phase. |
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498 |
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|
499 Simplify boundary to contains phase roots only.""" |
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500 phcache = repo._phasecache.copy() |
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501 phcache.retractboundary(repo, tr, targetphase, nodes) |
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502 repo._phasecache.replace(phcache) |
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diff
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|
503 |
33453
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|
504 def registernew(repo, tr, targetphase, nodes): |
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505 """register a new revision and its phase |
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|
506 |
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|
507 Code adding revisions to the repository should use this function to |
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|
508 set new changeset in their target phase (or higher). |
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|
509 """ |
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|
510 phcache = repo._phasecache.copy() |
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|
511 phcache.registernew(repo, tr, targetphase, nodes) |
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|
512 repo._phasecache.replace(phcache) |
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|
513 |
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|
514 def listphases(repo): |
16724
00535da82faf
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diff
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|
515 """List phases root for serialization over pushkey""" |
32000
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diff
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|
516 # Use ordered dictionary so behavior is deterministic. |
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|
517 keys = util.sortdict() |
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diff
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|
518 value = '%i' % draft |
34816
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|
519 cl = repo.unfiltered().changelog |
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parents:
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changeset
|
520 for root in repo._phasecache.phaseroots[draft]: |
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|
521 if repo._phasecache.phase(repo, cl.rev(root)) <= draft: |
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changeset
|
522 keys[hex(root)] = value |
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diff
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|
523 |
25624
f0745da75056
publishing: use new helper method
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parents:
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diff
changeset
|
524 if repo.publishing(): |
16725
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parents:
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|
525 # Add an extra data to let remote know we are a publishing |
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|
526 # repo. Publishing repo can't just pretend they are old repo. |
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|
527 # When pushing to a publishing repo, the client still need to |
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|
528 # push phase boundary |
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|
529 # |
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|
530 # Push do not only push changeset. It also push phase data. |
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|
531 # New phase data may apply to common changeset which won't be |
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diff
changeset
|
532 # push (as they are common). Here is a very simple example: |
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diff
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|
533 # |
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diff
changeset
|
534 # 1) repo A push changeset X as draft to repo B |
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changeset
|
535 # 2) repo B make changeset X public |
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diff
changeset
|
536 # 3) repo B push to repo A. X is not pushed but the data that |
b0fb4f57d076
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changeset
|
537 # X as now public should |
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diff
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|
538 # |
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|
539 # The server can't handle it on it's own as it has no idea of |
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diff
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|
540 # client phase data. |
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diff
changeset
|
541 keys['publishing'] = 'True' |
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diff
changeset
|
542 return keys |
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diff
changeset
|
543 |
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diff
changeset
|
544 def pushphase(repo, nhex, oldphasestr, newphasestr): |
17535 | 545 """List phases root for serialization over pushkey""" |
18002
9bc5873e52af
clfilter: phases logic should be unfiltered
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parents:
17979
diff
changeset
|
546 repo = repo.unfiltered() |
27861
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with: use context manager for lock in pushphase
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parents:
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diff
changeset
|
547 with repo.lock(): |
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diff
changeset
|
548 currentphase = repo[nhex].phase() |
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diff
changeset
|
549 newphase = abs(int(newphasestr)) # let's avoid negative index surprise |
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parents:
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diff
changeset
|
550 oldphase = abs(int(oldphasestr)) # let's avoid negative index surprise |
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parents:
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diff
changeset
|
551 if currentphase == oldphase and newphase < oldphase: |
27874
4ff0e2347ae6
with: use context manager for transaction in pushphase
Bryan O'Sullivan <bryano@fb.com>
parents:
27861
diff
changeset
|
552 with repo.transaction('pushkey-phase') as tr: |
27861
3315a9c2019c
with: use context manager for lock in pushphase
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parents:
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diff
changeset
|
553 advanceboundary(repo, tr, newphase, [bin(nhex)]) |
32822
e65ff29dbeb0
pushkey: use False/True for return values from push functions
Martin von Zweigbergk <martinvonz@google.com>
parents:
32000
diff
changeset
|
554 return True |
16051
2aa5b51f310f
phases: don't complain if cset is already public on pushkey (issue3230)
Matt Mackall <mpm@selenic.com>
parents:
16030
diff
changeset
|
555 elif currentphase == newphase: |
2aa5b51f310f
phases: don't complain if cset is already public on pushkey (issue3230)
Matt Mackall <mpm@selenic.com>
parents:
16030
diff
changeset
|
556 # raced, but got correct result |
32822
e65ff29dbeb0
pushkey: use False/True for return values from push functions
Martin von Zweigbergk <martinvonz@google.com>
parents:
32000
diff
changeset
|
557 return True |
15648
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558 else: |
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559 return False |
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560 |
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561 def subsetphaseheads(repo, subset): |
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562 """Finds the phase heads for a subset of a history |
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563 |
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564 Returns a list indexed by phase number where each item is a list of phase |
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565 head nodes. |
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566 """ |
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567 cl = repo.changelog |
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568 |
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569 headsbyphase = [[] for i in allphases] |
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570 # No need to keep track of secret phase; any heads in the subset that |
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571 # are not mentioned are implicitly secret. |
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572 for phase in allphases[:-1]: |
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573 revset = "heads(%%ln & %s())" % phasenames[phase] |
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574 headsbyphase[phase] = [cl.node(r) for r in repo.revs(revset, subset)] |
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575 return headsbyphase |
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576 |
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577 def updatephases(repo, trgetter, headsbyphase): |
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578 """Updates the repo with the given phase heads""" |
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579 # Now advance phase boundaries of all but secret phase |
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580 # |
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581 # run the update (and fetch transaction) only if there are actually things |
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582 # to update. This avoid creating empty transaction during no-op operation. |
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583 |
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584 for phase in allphases[:-1]: |
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585 revset = '%%ln - %s()' % phasenames[phase] |
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586 heads = [c.node() for c in repo.set(revset, headsbyphase[phase])] |
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587 if heads: |
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588 advanceboundary(repo, trgetter(), phase, heads) |
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589 |
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590 def analyzeremotephases(repo, subset, roots): |
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591 """Compute phases heads and root in a subset of node from root dict |
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592 |
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593 * subset is heads of the subset |
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594 * roots is {<nodeid> => phase} mapping. key and value are string. |
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595 |
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596 Accept unknown element input |
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597 """ |
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598 repo = repo.unfiltered() |
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599 # build list from dictionary |
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600 draftroots = [] |
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601 nodemap = repo.changelog.nodemap # to filter unknown nodes |
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602 for nhex, phase in roots.iteritems(): |
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603 if nhex == 'publishing': # ignore data related to publish option |
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604 continue |
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605 node = bin(nhex) |
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606 phase = int(phase) |
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607 if phase == public: |
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608 if node != nullid: |
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609 repo.ui.warn(_('ignoring inconsistent public root' |
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610 ' from remote: %s\n') % nhex) |
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611 elif phase == draft: |
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612 if node in nodemap: |
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613 draftroots.append(node) |
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614 else: |
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615 repo.ui.warn(_('ignoring unexpected root from remote: %i %s\n') |
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616 % (phase, nhex)) |
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617 # compute heads |
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618 publicheads = newheads(repo, subset, draftroots) |
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619 return publicheads, draftroots |
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620 |
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621 class remotephasessummary(object): |
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622 """summarize phase information on the remote side |
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623 |
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624 :publishing: True is the remote is publishing |
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625 :publicheads: list of remote public phase heads (nodes) |
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626 :draftheads: list of remote draft phase heads (nodes) |
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627 :draftroots: list of remote draft phase root (nodes) |
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628 """ |
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629 |
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630 def __init__(self, repo, remotesubset, remoteroots): |
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631 unfi = repo.unfiltered() |
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632 self._allremoteroots = remoteroots |
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633 |
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634 self.publishing = remoteroots.get('publishing', False) |
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635 |
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636 ana = analyzeremotephases(repo, remotesubset, remoteroots) |
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637 self.publicheads, self.draftroots = ana |
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638 # Get the list of all "heads" revs draft on remote |
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639 dheads = unfi.set('heads(%ln::%ln)', self.draftroots, remotesubset) |
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640 self.draftheads = [c.node() for c in dheads] |
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641 |
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642 def newheads(repo, heads, roots): |
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643 """compute new head of a subset minus another |
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644 |
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645 * `heads`: define the first subset |
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646 * `roots`: define the second we subtract from the first""" |
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647 repo = repo.unfiltered() |
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648 revset = repo.set('heads((%ln + parents(%ln)) - (%ln::%ln))', |
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649 heads, roots, roots, heads) |
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650 return [c.node() for c in revset] |
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651 |
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652 |
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653 def newcommitphase(ui): |
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654 """helper to get the target phase of new commit |
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655 |
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656 Handle all possible values for the phases.new-commit options. |
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657 |
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658 """ |
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659 v = ui.config('phases', 'new-commit') |
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660 try: |
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661 return phasenames.index(v) |
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662 except ValueError: |
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663 try: |
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664 return int(v) |
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665 except ValueError: |
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666 msg = _("phases.new-commit: not a valid phase name ('%s')") |
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667 raise error.ConfigError(msg % v) |
308406677e9d
phases: allow phase name in phases.new-commit settings
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
16025
diff
changeset
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668 |
17671
fdd0fc046cf1
clfilter: introduce a `hassecret` function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17537
diff
changeset
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669 def hassecret(repo): |
fdd0fc046cf1
clfilter: introduce a `hassecret` function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17537
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changeset
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670 """utility function that check if a repo have any secret changeset.""" |
fdd0fc046cf1
clfilter: introduce a `hassecret` function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17537
diff
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671 return bool(repo._phasecache.phaseroots[2]) |
34710
cdf833d7de98
phase: add a dedicated txnclose-phase hook
Boris Feld <boris.feld@octobus.net>
parents:
34563
diff
changeset
|
672 |
cdf833d7de98
phase: add a dedicated txnclose-phase hook
Boris Feld <boris.feld@octobus.net>
parents:
34563
diff
changeset
|
673 def preparehookargs(node, old, new): |
cdf833d7de98
phase: add a dedicated txnclose-phase hook
Boris Feld <boris.feld@octobus.net>
parents:
34563
diff
changeset
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674 if old is None: |
cdf833d7de98
phase: add a dedicated txnclose-phase hook
Boris Feld <boris.feld@octobus.net>
parents:
34563
diff
changeset
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675 old = '' |
cdf833d7de98
phase: add a dedicated txnclose-phase hook
Boris Feld <boris.feld@octobus.net>
parents:
34563
diff
changeset
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676 else: |
34876
eb1b964b354b
phases: pass phase names to hooks instead of internal values
Kevin Bullock <kbullock+mercurial@ringworld.org>
parents:
34819
diff
changeset
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677 old = phasenames[old] |
34710
cdf833d7de98
phase: add a dedicated txnclose-phase hook
Boris Feld <boris.feld@octobus.net>
parents:
34563
diff
changeset
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678 return {'node': node, |
cdf833d7de98
phase: add a dedicated txnclose-phase hook
Boris Feld <boris.feld@octobus.net>
parents:
34563
diff
changeset
|
679 'oldphase': old, |
34876
eb1b964b354b
phases: pass phase names to hooks instead of internal values
Kevin Bullock <kbullock+mercurial@ringworld.org>
parents:
34819
diff
changeset
|
680 'phase': phasenames[new]} |