Mercurial > hg
annotate mercurial/phases.py @ 41722:37b33c34bf4f
templatekw: add a {negrev} keyword
Revision numbers are getting much maligned for two reasons: they are
too long in large repos and users get confused by their local-only
nature. It just occurred to me that negative revision numbers avoid
both of those problems. Since negative revision numbers change
whenever the repo changes, it's much more obvious that they are a
local-only convenience. Additionally, for the recent commits that we
usually care about the most, negative revision numbers are always near
zero.
This commit adds a negrev templatekw to more easily expose negative
revision numbers. It's not easy to reliably produce this output with
existing keywords due to hidden commits while at the same time
ensuring good performance.
author | Jordi Gutiérrez Hermoso <jordigh@octave.org> |
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date | Fri, 15 Feb 2019 14:43:31 -0500 |
parents | ab893a99b645 |
children | 2372284d9457 |
rev | line source |
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1 """ Mercurial phases support code |
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2 |
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3 --- |
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4 |
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5 Copyright 2011 Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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6 Logilab SA <contact@logilab.fr> |
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7 Augie Fackler <durin42@gmail.com> |
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8 |
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9 This software may be used and distributed according to the terms |
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10 of the GNU General Public License version 2 or any later version. |
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11 |
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12 --- |
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13 |
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14 This module implements most phase logic in mercurial. |
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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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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 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 INTERNAL_FLAG = 64 # Phases for mercurial internal usage only |
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127 HIDEABLE_FLAG = 32 # Phases that are hideable |
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128 |
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129 # record phase index |
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130 public, draft, secret = range(3) |
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131 internal = INTERNAL_FLAG | HIDEABLE_FLAG |
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132 archived = HIDEABLE_FLAG |
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133 allphases = range(internal + 1) |
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134 trackedphases = allphases[1:] |
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135 # record phase names |
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136 cmdphasenames = ['public', 'draft', 'secret'] # known to `hg phase` command |
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137 phasenames = [None] * len(allphases) |
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138 phasenames[:len(cmdphasenames)] = cmdphasenames |
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139 phasenames[archived] = 'archived' |
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140 phasenames[internal] = 'internal' |
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141 # record phase property |
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142 mutablephases = tuple(allphases[1:]) |
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143 remotehiddenphases = tuple(allphases[2:]) |
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144 localhiddenphases = tuple(p for p in allphases if p & HIDEABLE_FLAG) |
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145 |
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146 def supportinternal(repo): |
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147 """True if the internal phase can be used on a repository""" |
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148 return 'internal-phase' in repo.requirements |
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149 |
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150 def _readroots(repo, phasedefaults=None): |
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151 """Read phase roots from disk |
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152 |
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153 phasedefaults is a list of fn(repo, roots) callable, which are |
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154 executed if the phase roots file does not exist. When phases are |
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155 being initialized on an existing repository, this could be used to |
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156 set selected changesets phase to something else than public. |
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157 |
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158 Return (roots, dirty) where dirty is true if roots differ from |
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159 what is being stored. |
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160 """ |
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161 repo = repo.unfiltered() |
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162 dirty = False |
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163 roots = [set() for i in allphases] |
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164 try: |
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165 f, pending = txnutil.trypending(repo.root, repo.svfs, 'phaseroots') |
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166 try: |
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167 for line in f: |
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168 phase, nh = line.split() |
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169 roots[int(phase)].add(bin(nh)) |
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170 finally: |
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171 f.close() |
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172 except IOError as inst: |
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173 if inst.errno != errno.ENOENT: |
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174 raise |
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175 if phasedefaults: |
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176 for f in phasedefaults: |
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177 roots = f(repo, roots) |
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178 dirty = True |
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179 return roots, dirty |
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180 |
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181 def binaryencode(phasemapping): |
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182 """encode a 'phase -> nodes' mapping into a binary stream |
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183 |
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184 Since phases are integer the mapping is actually a python list: |
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185 [[PUBLIC_HEADS], [DRAFTS_HEADS], [SECRET_HEADS]] |
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186 """ |
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187 binarydata = [] |
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188 for phase, nodes in enumerate(phasemapping): |
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189 for head in nodes: |
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190 binarydata.append(_fphasesentry.pack(phase, head)) |
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191 return ''.join(binarydata) |
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192 |
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193 def binarydecode(stream): |
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194 """decode a binary stream into a 'phase -> nodes' mapping |
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195 |
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196 Since phases are integer the mapping is actually a python list.""" |
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197 headsbyphase = [[] for i in allphases] |
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198 entrysize = _fphasesentry.size |
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199 while True: |
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200 entry = stream.read(entrysize) |
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201 if len(entry) < entrysize: |
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202 if entry: |
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203 raise error.Abort(_('bad phase-heads stream')) |
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204 break |
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205 phase, node = _fphasesentry.unpack(entry) |
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206 headsbyphase[phase].append(node) |
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207 return headsbyphase |
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208 |
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209 def _trackphasechange(data, rev, old, new): |
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210 """add a phase move the <data> dictionnary |
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211 |
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212 If data is None, nothing happens. |
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213 """ |
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214 if data is None: |
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215 return |
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216 existing = data.get(rev) |
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217 if existing is not None: |
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218 old = existing[0] |
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219 data[rev] = (old, new) |
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220 |
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221 class phasecache(object): |
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222 def __init__(self, repo, phasedefaults, _load=True): |
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223 if _load: |
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224 # Cheap trick to allow shallow-copy without copy module |
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225 self.phaseroots, self.dirty = _readroots(repo, phasedefaults) |
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226 self._loadedrevslen = 0 |
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227 self._phasesets = None |
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228 self.filterunknown(repo) |
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229 self.opener = repo.svfs |
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230 |
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231 def getrevset(self, repo, phases, subset=None): |
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232 """return a smartset for the given phases""" |
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233 self.loadphaserevs(repo) # ensure phase's sets are loaded |
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234 phases = set(phases) |
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235 if public not in phases: |
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236 # fast path: _phasesets contains the interesting sets, |
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237 # might only need a union and post-filtering. |
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238 if len(phases) == 1: |
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239 [p] = phases |
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240 revs = self._phasesets[p] |
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241 else: |
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242 revs = set.union(*[self._phasesets[p] for p in phases]) |
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243 if repo.changelog.filteredrevs: |
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244 revs = revs - repo.changelog.filteredrevs |
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245 if subset is None: |
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246 return smartset.baseset(revs) |
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247 else: |
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248 return subset & smartset.baseset(revs) |
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249 else: |
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250 phases = set(allphases).difference(phases) |
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251 if not phases: |
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252 return smartset.fullreposet(repo) |
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253 if len(phases) == 1: |
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254 [p] = phases |
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255 revs = self._phasesets[p] |
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256 else: |
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257 revs = set.union(*[self._phasesets[p] for p in phases]) |
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258 if subset is None: |
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259 subset = smartset.fullreposet(repo) |
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260 if not revs: |
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261 return subset |
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262 return subset.filter(lambda r: r not in revs) |
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263 |
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264 def copy(self): |
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265 # Shallow copy meant to ensure isolation in |
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266 # advance/retractboundary(), nothing more. |
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267 ph = self.__class__(None, None, _load=False) |
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268 ph.phaseroots = self.phaseroots[:] |
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269 ph.dirty = self.dirty |
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270 ph.opener = self.opener |
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271 ph._loadedrevslen = self._loadedrevslen |
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272 ph._phasesets = self._phasesets |
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273 return ph |
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274 |
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275 def replace(self, phcache): |
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276 """replace all values in 'self' with content of phcache""" |
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277 for a in ('phaseroots', 'dirty', 'opener', '_loadedrevslen', |
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278 '_phasesets'): |
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279 setattr(self, a, getattr(phcache, a)) |
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280 |
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281 def _getphaserevsnative(self, repo): |
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282 repo = repo.unfiltered() |
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283 nativeroots = [] |
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284 for phase in trackedphases: |
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285 nativeroots.append(pycompat.maplist(repo.changelog.rev, |
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286 self.phaseroots[phase])) |
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287 return repo.changelog.computephases(nativeroots) |
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288 |
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289 def _computephaserevspure(self, repo): |
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290 repo = repo.unfiltered() |
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291 cl = repo.changelog |
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292 self._phasesets = [set() for phase in allphases] |
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293 lowerroots = set() |
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294 for phase in reversed(trackedphases): |
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295 roots = pycompat.maplist(cl.rev, self.phaseroots[phase]) |
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296 if roots: |
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297 ps = set(cl.descendants(roots)) |
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298 for root in roots: |
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299 ps.add(root) |
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300 ps.difference_update(lowerroots) |
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301 lowerroots.update(ps) |
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302 self._phasesets[phase] = ps |
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303 self._loadedrevslen = len(cl) |
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304 |
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305 def loadphaserevs(self, repo): |
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306 """ensure phase information is loaded in the object""" |
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307 if self._phasesets is None: |
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308 try: |
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309 res = self._getphaserevsnative(repo) |
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310 self._loadedrevslen, self._phasesets = res |
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311 except AttributeError: |
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312 self._computephaserevspure(repo) |
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313 |
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314 def invalidate(self): |
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315 self._loadedrevslen = 0 |
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316 self._phasesets = None |
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317 |
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318 def phase(self, repo, rev): |
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319 # We need a repo argument here to be able to build _phasesets |
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320 # if necessary. The repository instance is not stored in |
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321 # phasecache to avoid reference cycles. The changelog instance |
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322 # is not stored because it is a filecache() property and can |
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323 # be replaced without us being notified. |
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324 if rev == nullrev: |
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325 return public |
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326 if rev < nullrev: |
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327 raise ValueError(_('cannot lookup negative revision')) |
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328 if rev >= self._loadedrevslen: |
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329 self.invalidate() |
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330 self.loadphaserevs(repo) |
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331 for phase in trackedphases: |
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332 if rev in self._phasesets[phase]: |
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333 return phase |
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334 return public |
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335 |
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336 def write(self): |
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337 if not self.dirty: |
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338 return |
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339 f = self.opener('phaseroots', 'w', atomictemp=True, checkambig=True) |
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340 try: |
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341 self._write(f) |
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342 finally: |
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343 f.close() |
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344 |
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345 def _write(self, fp): |
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346 for phase, roots in enumerate(self.phaseroots): |
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347 for h in sorted(roots): |
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348 fp.write('%i %s\n' % (phase, hex(h))) |
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349 self.dirty = False |
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350 |
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351 def _updateroots(self, phase, newroots, tr): |
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352 self.phaseroots[phase] = newroots |
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353 self.invalidate() |
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354 self.dirty = True |
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355 |
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356 tr.addfilegenerator('phase', ('phaseroots',), self._write) |
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357 tr.hookargs['phases_moved'] = '1' |
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358 |
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359 def registernew(self, repo, tr, targetphase, nodes): |
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360 repo = repo.unfiltered() |
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361 self._retractboundary(repo, tr, targetphase, nodes) |
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362 if tr is not None and 'phases' in tr.changes: |
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363 phasetracking = tr.changes['phases'] |
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364 torev = repo.changelog.rev |
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365 phase = self.phase |
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366 for n in nodes: |
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367 rev = torev(n) |
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368 revphase = phase(repo, rev) |
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369 _trackphasechange(phasetracking, rev, None, revphase) |
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370 repo.invalidatevolatilesets() |
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371 |
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372 def advanceboundary(self, repo, tr, targetphase, nodes, dryrun=None): |
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373 """Set all 'nodes' to phase 'targetphase' |
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374 |
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375 Nodes with a phase lower than 'targetphase' are not affected. |
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376 |
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377 If dryrun is True, no actions will be performed |
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378 |
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379 Returns a set of revs whose phase is changed or should be changed |
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380 """ |
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381 # Be careful to preserve shallow-copied values: do not update |
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382 # phaseroots values, replace them. |
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383 if tr is None: |
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384 phasetracking = None |
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385 else: |
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386 phasetracking = tr.changes.get('phases') |
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387 |
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388 repo = repo.unfiltered() |
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389 |
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390 changes = set() # set of revisions to be changed |
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391 delroots = [] # set of root deleted by this path |
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392 for phase in pycompat.xrange(targetphase + 1, len(allphases)): |
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393 # filter nodes that are not in a compatible phase already |
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394 nodes = [n for n in nodes |
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395 if self.phase(repo, repo[n].rev()) >= phase] |
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396 if not nodes: |
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397 break # no roots to move anymore |
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398 |
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399 olds = self.phaseroots[phase] |
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400 |
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401 affected = repo.revs('%ln::%ln', olds, nodes) |
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402 changes.update(affected) |
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403 if dryrun: |
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404 continue |
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405 for r in affected: |
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406 _trackphasechange(phasetracking, r, self.phase(repo, r), |
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407 targetphase) |
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408 |
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409 roots = set(ctx.node() for ctx in repo.set( |
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410 'roots((%ln::) - %ld)', olds, affected)) |
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411 if olds != roots: |
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412 self._updateroots(phase, roots, tr) |
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413 # some roots may need to be declared for lower phases |
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414 delroots.extend(olds - roots) |
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415 if not dryrun: |
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416 # declare deleted root in the target phase |
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417 if targetphase != 0: |
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418 self._retractboundary(repo, tr, targetphase, delroots) |
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419 repo.invalidatevolatilesets() |
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420 return changes |
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421 |
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422 def retractboundary(self, repo, tr, targetphase, nodes): |
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423 oldroots = self.phaseroots[:targetphase + 1] |
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424 if tr is None: |
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425 phasetracking = None |
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426 else: |
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427 phasetracking = tr.changes.get('phases') |
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428 repo = repo.unfiltered() |
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429 if (self._retractboundary(repo, tr, targetphase, nodes) |
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430 and phasetracking is not None): |
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431 |
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432 # find the affected revisions |
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433 new = self.phaseroots[targetphase] |
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434 old = oldroots[targetphase] |
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435 affected = set(repo.revs('(%ln::) - (%ln::)', new, old)) |
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436 |
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437 # find the phase of the affected revision |
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438 for phase in pycompat.xrange(targetphase, -1, -1): |
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439 if phase: |
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440 roots = oldroots[phase] |
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441 revs = set(repo.revs('%ln::%ld', roots, affected)) |
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442 affected -= revs |
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443 else: # public phase |
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444 revs = affected |
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445 for r in revs: |
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446 _trackphasechange(phasetracking, r, phase, targetphase) |
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447 repo.invalidatevolatilesets() |
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448 |
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449 def _retractboundary(self, repo, tr, targetphase, nodes): |
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450 # Be careful to preserve shallow-copied values: do not update |
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451 # phaseroots values, replace them. |
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452 if targetphase in (archived, internal) and not supportinternal(repo): |
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453 name = phasenames[targetphase] |
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454 msg = 'this repository does not support the %s phase' % name |
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455 raise error.ProgrammingError(msg) |
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456 |
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457 repo = repo.unfiltered() |
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458 currentroots = self.phaseroots[targetphase] |
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459 finalroots = oldroots = set(currentroots) |
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460 newroots = [n for n in nodes |
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461 if self.phase(repo, repo[n].rev()) < targetphase] |
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462 if newroots: |
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463 |
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464 if nullid in newroots: |
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465 raise error.Abort(_('cannot change null revision phase')) |
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466 currentroots = currentroots.copy() |
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467 currentroots.update(newroots) |
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468 |
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469 # Only compute new roots for revs above the roots that are being |
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470 # retracted. |
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471 minnewroot = min(repo[n].rev() for n in newroots) |
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472 aboveroots = [n for n in currentroots |
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473 if repo[n].rev() >= minnewroot] |
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474 updatedroots = repo.set('roots(%ln::)', aboveroots) |
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475 |
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476 finalroots = set(n for n in currentroots if repo[n].rev() < |
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477 minnewroot) |
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478 finalroots.update(ctx.node() for ctx in updatedroots) |
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479 if finalroots != oldroots: |
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480 self._updateroots(targetphase, finalroots, tr) |
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481 return True |
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482 return False |
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|
483 |
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484 def filterunknown(self, repo): |
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485 """remove unknown nodes from the phase boundary |
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486 |
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487 Nothing is lost as unknown nodes only hold data for their descendants. |
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488 """ |
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489 filtered = False |
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490 nodemap = repo.changelog.nodemap # to filter unknown nodes |
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491 for phase, nodes in enumerate(self.phaseroots): |
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492 missing = sorted(node for node in nodes if node not in nodemap) |
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493 if missing: |
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494 for mnode in missing: |
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495 repo.ui.debug( |
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496 'removing unknown node %s from %i-phase boundary\n' |
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497 % (short(mnode), phase)) |
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498 nodes.symmetric_difference_update(missing) |
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499 filtered = True |
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500 if filtered: |
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501 self.dirty = True |
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502 # filterunknown is called by repo.destroyed, we may have no changes in |
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503 # root but _phasesets contents is certainly invalid (or at least we |
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504 # have not proper way to check that). related to issue 3858. |
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505 # |
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506 # The other caller is __init__ that have no _phasesets initialized |
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507 # anyway. If this change we should consider adding a dedicated |
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508 # "destroyed" function to phasecache or a proper cache key mechanism |
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509 # (see branchmap one) |
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510 self.invalidate() |
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511 |
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|
512 def advanceboundary(repo, tr, targetphase, nodes, dryrun=None): |
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513 """Add nodes to a phase changing other nodes phases if necessary. |
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514 |
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515 This function move boundary *forward* this means that all nodes |
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516 are set in the target phase or kept in a *lower* phase. |
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517 |
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|
518 Simplify boundary to contains phase roots only. |
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|
519 |
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|
520 If dryrun is True, no actions will be performed |
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521 |
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|
522 Returns a set of revs whose phase is changed or should be changed |
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|
523 """ |
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|
524 phcache = repo._phasecache.copy() |
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525 changes = phcache.advanceboundary(repo, tr, targetphase, nodes, |
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|
526 dryrun=dryrun) |
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|
527 if not dryrun: |
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528 repo._phasecache.replace(phcache) |
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|
529 return changes |
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|
530 |
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|
531 def retractboundary(repo, tr, targetphase, nodes): |
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532 """Set nodes back to a phase changing other nodes phases if |
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|
533 necessary. |
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|
534 |
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|
535 This function move boundary *backward* this means that all nodes |
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|
536 are set in the target phase or kept in a *higher* phase. |
15482
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|
537 |
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|
538 Simplify boundary to contains phase roots only.""" |
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|
539 phcache = repo._phasecache.copy() |
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|
540 phcache.retractboundary(repo, tr, targetphase, nodes) |
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|
541 repo._phasecache.replace(phcache) |
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|
542 |
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|
543 def registernew(repo, tr, targetphase, nodes): |
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544 """register a new revision and its phase |
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|
545 |
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|
546 Code adding revisions to the repository should use this function to |
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|
547 set new changeset in their target phase (or higher). |
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|
548 """ |
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|
549 phcache = repo._phasecache.copy() |
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|
550 phcache.registernew(repo, tr, targetphase, nodes) |
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|
551 repo._phasecache.replace(phcache) |
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|
552 |
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|
553 def listphases(repo): |
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|
554 """List phases root for serialization over pushkey""" |
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|
555 # Use ordered dictionary so behavior is deterministic. |
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changeset
|
556 keys = util.sortdict() |
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diff
changeset
|
557 value = '%i' % draft |
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|
558 cl = repo.unfiltered().changelog |
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|
559 for root in repo._phasecache.phaseroots[draft]: |
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560 if repo._phasecache.phase(repo, cl.rev(root)) <= draft: |
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561 keys[hex(root)] = value |
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562 |
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563 if repo.publishing(): |
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564 # Add an extra data to let remote know we are a publishing |
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565 # repo. Publishing repo can't just pretend they are old repo. |
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566 # When pushing to a publishing repo, the client still need to |
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567 # push phase boundary |
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568 # |
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569 # Push do not only push changeset. It also push phase data. |
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570 # New phase data may apply to common changeset which won't be |
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571 # push (as they are common). Here is a very simple example: |
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572 # |
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573 # 1) repo A push changeset X as draft to repo B |
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574 # 2) repo B make changeset X public |
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575 # 3) repo B push to repo A. X is not pushed but the data that |
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576 # X as now public should |
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577 # |
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578 # The server can't handle it on it's own as it has no idea of |
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579 # client phase data. |
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580 keys['publishing'] = 'True' |
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581 return keys |
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582 |
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583 def pushphase(repo, nhex, oldphasestr, newphasestr): |
17535 | 584 """List phases root for serialization over pushkey""" |
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585 repo = repo.unfiltered() |
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586 with repo.lock(): |
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587 currentphase = repo[nhex].phase() |
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588 newphase = abs(int(newphasestr)) # let's avoid negative index surprise |
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589 oldphase = abs(int(oldphasestr)) # let's avoid negative index surprise |
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590 if currentphase == oldphase and newphase < oldphase: |
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591 with repo.transaction('pushkey-phase') as tr: |
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592 advanceboundary(repo, tr, newphase, [bin(nhex)]) |
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593 return True |
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594 elif currentphase == newphase: |
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595 # raced, but got correct result |
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596 return True |
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597 else: |
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598 return False |
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599 |
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600 def subsetphaseheads(repo, subset): |
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601 """Finds the phase heads for a subset of a history |
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602 |
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603 Returns a list indexed by phase number where each item is a list of phase |
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604 head nodes. |
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605 """ |
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606 cl = repo.changelog |
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607 |
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608 headsbyphase = [[] for i in allphases] |
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609 # No need to keep track of secret phase; any heads in the subset that |
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610 # are not mentioned are implicitly secret. |
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611 for phase in allphases[:secret]: |
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612 revset = "heads(%%ln & %s())" % phasenames[phase] |
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613 headsbyphase[phase] = [cl.node(r) for r in repo.revs(revset, subset)] |
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614 return headsbyphase |
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615 |
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616 def updatephases(repo, trgetter, headsbyphase): |
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617 """Updates the repo with the given phase heads""" |
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618 # Now advance phase boundaries of all but secret phase |
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619 # |
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620 # run the update (and fetch transaction) only if there are actually things |
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621 # to update. This avoid creating empty transaction during no-op operation. |
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622 |
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623 for phase in allphases[:-1]: |
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624 revset = '%ln - _phase(%s)' |
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625 heads = [c.node() for c in repo.set(revset, headsbyphase[phase], phase)] |
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626 if heads: |
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627 advanceboundary(repo, trgetter(), phase, heads) |
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|
628 |
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629 def analyzeremotephases(repo, subset, roots): |
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630 """Compute phases heads and root in a subset of node from root dict |
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631 |
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632 * subset is heads of the subset |
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633 * roots is {<nodeid> => phase} mapping. key and value are string. |
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634 |
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635 Accept unknown element input |
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636 """ |
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637 repo = repo.unfiltered() |
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638 # build list from dictionary |
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639 draftroots = [] |
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640 nodemap = repo.changelog.nodemap # to filter unknown nodes |
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641 for nhex, phase in roots.iteritems(): |
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642 if nhex == 'publishing': # ignore data related to publish option |
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643 continue |
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644 node = bin(nhex) |
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645 phase = int(phase) |
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646 if phase == public: |
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647 if node != nullid: |
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648 repo.ui.warn(_('ignoring inconsistent public root' |
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649 ' from remote: %s\n') % nhex) |
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650 elif phase == draft: |
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651 if node in nodemap: |
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652 draftroots.append(node) |
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653 else: |
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654 repo.ui.warn(_('ignoring unexpected root from remote: %i %s\n') |
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655 % (phase, nhex)) |
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656 # compute heads |
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657 publicheads = newheads(repo, subset, draftroots) |
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658 return publicheads, draftroots |
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659 |
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660 class remotephasessummary(object): |
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661 """summarize phase information on the remote side |
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662 |
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663 :publishing: True is the remote is publishing |
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664 :publicheads: list of remote public phase heads (nodes) |
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665 :draftheads: list of remote draft phase heads (nodes) |
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666 :draftroots: list of remote draft phase root (nodes) |
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667 """ |
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668 |
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669 def __init__(self, repo, remotesubset, remoteroots): |
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670 unfi = repo.unfiltered() |
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671 self._allremoteroots = remoteroots |
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672 |
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673 self.publishing = remoteroots.get('publishing', False) |
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674 |
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675 ana = analyzeremotephases(repo, remotesubset, remoteroots) |
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676 self.publicheads, self.draftroots = ana |
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677 # Get the list of all "heads" revs draft on remote |
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678 dheads = unfi.set('heads(%ln::%ln)', self.draftroots, remotesubset) |
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679 self.draftheads = [c.node() for c in dheads] |
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680 |
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681 def newheads(repo, heads, roots): |
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682 """compute new head of a subset minus another |
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683 |
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684 * `heads`: define the first subset |
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685 * `roots`: define the second we subtract from the first""" |
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686 # prevent an import cycle |
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687 # phases > dagop > patch > copies > scmutil > obsolete > obsutil > phases |
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688 from . import dagop |
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689 |
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690 repo = repo.unfiltered() |
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691 cl = repo.changelog |
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692 rev = cl.nodemap.get |
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693 if not roots: |
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694 return heads |
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695 if not heads or heads == [nullid]: |
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696 return [] |
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697 # The logic operated on revisions, convert arguments early for convenience |
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698 new_heads = set(rev(n) for n in heads if n != nullid) |
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699 roots = [rev(n) for n in roots] |
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700 # compute the area we need to remove |
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701 affected_zone = repo.revs("(%ld::%ld)", roots, new_heads) |
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702 # heads in the area are no longer heads |
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703 new_heads.difference_update(affected_zone) |
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704 # revisions in the area have children outside of it, |
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705 # They might be new heads |
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706 candidates = repo.revs("parents(%ld + (%ld and merge())) and not null", |
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707 roots, affected_zone) |
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708 candidates -= affected_zone |
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709 if new_heads or candidates: |
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710 # remove candidate that are ancestors of other heads |
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711 new_heads.update(candidates) |
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712 prunestart = repo.revs("parents(%ld) and not null", new_heads) |
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713 pruned = dagop.reachableroots(repo, candidates, prunestart) |
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714 new_heads.difference_update(pruned) |
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715 |
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716 return pycompat.maplist(cl.node, sorted(new_heads)) |
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717 |
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718 def newcommitphase(ui): |
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719 """helper to get the target phase of new commit |
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720 |
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721 Handle all possible values for the phases.new-commit options. |
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722 |
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723 """ |
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724 v = ui.config('phases', 'new-commit') |
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725 try: |
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726 return phasenames.index(v) |
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727 except ValueError: |
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728 try: |
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729 return int(v) |
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730 except ValueError: |
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731 msg = _("phases.new-commit: not a valid phase name ('%s')") |
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732 raise error.ConfigError(msg % v) |
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733 |
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734 def hassecret(repo): |
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735 """utility function that check if a repo have any secret changeset.""" |
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736 return bool(repo._phasecache.phaseroots[2]) |
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737 |
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738 def preparehookargs(node, old, new): |
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739 if old is None: |
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740 old = '' |
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741 else: |
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742 old = phasenames[old] |
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743 return {'node': node, |
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744 'oldphase': old, |
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745 'phase': phasenames[new]} |