Mercurial > hg
annotate mercurial/upgrade.py @ 39534:fd9029d36c41
ancestor: return early from _lazyancestorsiter() when reached to stoprev
There's no need to empty the heap.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Mon, 10 Sep 2018 21:46:19 +0900 |
parents | 0d97530eb535 |
children | 41aa5dced975 |
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1 # upgrade.py - functions for in place upgrade of Mercurial repository |
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2 # |
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3 # Copyright (c) 2016-present, Gregory Szorc |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import stat |
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11 |
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12 from .i18n import _ |
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13 from . import ( |
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14 changelog, |
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15 error, |
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16 filelog, |
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17 hg, |
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18 localrepo, |
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19 manifest, |
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20 pycompat, |
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21 revlog, |
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22 scmutil, |
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23 util, |
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24 vfs as vfsmod, |
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25 ) |
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26 |
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27 def requiredsourcerequirements(repo): |
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28 """Obtain requirements required to be present to upgrade a repo. |
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29 |
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30 An upgrade will not be allowed if the repository doesn't have the |
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31 requirements returned by this function. |
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32 """ |
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33 return { |
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34 # Introduced in Mercurial 0.9.2. |
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35 'revlogv1', |
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36 # Introduced in Mercurial 0.9.2. |
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37 'store', |
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38 } |
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39 |
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40 def blocksourcerequirements(repo): |
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41 """Obtain requirements that will prevent an upgrade from occurring. |
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42 |
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43 An upgrade cannot be performed if the source repository contains a |
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44 requirements in the returned set. |
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45 """ |
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46 return { |
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47 # The upgrade code does not yet support these experimental features. |
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48 # This is an artificial limitation. |
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49 'treemanifest', |
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50 # This was a precursor to generaldelta and was never enabled by default. |
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51 # It should (hopefully) not exist in the wild. |
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52 'parentdelta', |
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53 # Upgrade should operate on the actual store, not the shared link. |
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54 'shared', |
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55 } |
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56 |
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57 def supportremovedrequirements(repo): |
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58 """Obtain requirements that can be removed during an upgrade. |
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59 |
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60 If an upgrade were to create a repository that dropped a requirement, |
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61 the dropped requirement must appear in the returned set for the upgrade |
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62 to be allowed. |
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63 """ |
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64 return { |
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65 localrepo.SPARSEREVLOG_REQUIREMENT, |
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66 } |
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67 |
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68 def supporteddestrequirements(repo): |
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69 """Obtain requirements that upgrade supports in the destination. |
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70 |
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71 If the result of the upgrade would create requirements not in this set, |
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72 the upgrade is disallowed. |
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73 |
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74 Extensions should monkeypatch this to add their custom requirements. |
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75 """ |
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76 return { |
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77 'dotencode', |
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78 'fncache', |
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79 'generaldelta', |
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80 'revlogv1', |
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81 'store', |
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82 localrepo.SPARSEREVLOG_REQUIREMENT, |
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83 } |
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84 |
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85 def allowednewrequirements(repo): |
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86 """Obtain requirements that can be added to a repository during upgrade. |
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87 |
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88 This is used to disallow proposed requirements from being added when |
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89 they weren't present before. |
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90 |
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91 We use a list of allowed requirement additions instead of a list of known |
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92 bad additions because the whitelist approach is safer and will prevent |
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93 future, unknown requirements from accidentally being added. |
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94 """ |
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95 return { |
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96 'dotencode', |
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97 'fncache', |
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98 'generaldelta', |
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99 localrepo.SPARSEREVLOG_REQUIREMENT, |
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100 } |
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101 |
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102 def preservedrequirements(repo): |
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103 return set() |
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104 |
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105 deficiency = 'deficiency' |
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106 optimisation = 'optimization' |
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107 |
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108 class improvement(object): |
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109 """Represents an improvement that can be made as part of an upgrade. |
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110 |
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111 The following attributes are defined on each instance: |
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112 |
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113 name |
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114 Machine-readable string uniquely identifying this improvement. It |
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115 will be mapped to an action later in the upgrade process. |
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116 |
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117 type |
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118 Either ``deficiency`` or ``optimisation``. A deficiency is an obvious |
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119 problem. An optimization is an action (sometimes optional) that |
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120 can be taken to further improve the state of the repository. |
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121 |
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122 description |
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123 Message intended for humans explaining the improvement in more detail, |
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124 including the implications of it. For ``deficiency`` types, should be |
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125 worded in the present tense. For ``optimisation`` types, should be |
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126 worded in the future tense. |
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127 |
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128 upgrademessage |
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129 Message intended for humans explaining what an upgrade addressing this |
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130 issue will do. Should be worded in the future tense. |
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131 """ |
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132 def __init__(self, name, type, description, upgrademessage): |
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133 self.name = name |
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134 self.type = type |
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135 self.description = description |
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136 self.upgrademessage = upgrademessage |
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137 |
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138 def __eq__(self, other): |
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139 if not isinstance(other, improvement): |
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140 # This is what python tell use to do |
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141 return NotImplemented |
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142 return self.name == other.name |
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143 |
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144 def __ne__(self, other): |
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145 return not self == other |
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146 |
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147 def __hash__(self): |
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148 return hash(self.name) |
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149 |
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150 allformatvariant = [] |
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151 |
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152 def registerformatvariant(cls): |
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153 allformatvariant.append(cls) |
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154 return cls |
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155 |
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156 class formatvariant(improvement): |
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157 """an improvement subclass dedicated to repository format""" |
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158 type = deficiency |
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159 ### The following attributes should be defined for each class: |
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160 |
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161 # machine-readable string uniquely identifying this improvement. it will be |
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162 # mapped to an action later in the upgrade process. |
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163 name = None |
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164 |
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165 # message intended for humans explaining the improvement in more detail, |
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166 # including the implications of it ``deficiency`` types, should be worded |
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167 # in the present tense. |
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168 description = None |
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169 |
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170 # message intended for humans explaining what an upgrade addressing this |
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171 # issue will do. should be worded in the future tense. |
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172 upgrademessage = None |
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173 |
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174 # value of current Mercurial default for new repository |
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175 default = None |
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176 |
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177 def __init__(self): |
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178 raise NotImplementedError() |
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179 |
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180 @staticmethod |
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181 def fromrepo(repo): |
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182 """current value of the variant in the repository""" |
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183 raise NotImplementedError() |
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184 |
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185 @staticmethod |
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186 def fromconfig(repo): |
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187 """current value of the variant in the configuration""" |
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188 raise NotImplementedError() |
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189 |
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190 class requirementformatvariant(formatvariant): |
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191 """formatvariant based on a 'requirement' name. |
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192 |
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193 Many format variant are controlled by a 'requirement'. We define a small |
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194 subclass to factor the code. |
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195 """ |
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196 |
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197 # the requirement that control this format variant |
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198 _requirement = None |
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199 |
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200 @staticmethod |
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201 def _newreporequirements(repo): |
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202 return localrepo.newreporequirements(repo) |
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203 |
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204 @classmethod |
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205 def fromrepo(cls, repo): |
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206 assert cls._requirement is not None |
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207 return cls._requirement in repo.requirements |
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208 |
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209 @classmethod |
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210 def fromconfig(cls, repo): |
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211 assert cls._requirement is not None |
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212 return cls._requirement in cls._newreporequirements(repo) |
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213 |
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214 @registerformatvariant |
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215 class fncache(requirementformatvariant): |
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216 name = 'fncache' |
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217 |
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218 _requirement = 'fncache' |
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219 |
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220 default = True |
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221 |
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222 description = _('long and reserved filenames may not work correctly; ' |
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223 'repository performance is sub-optimal') |
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224 |
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225 upgrademessage = _('repository will be more resilient to storing ' |
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226 'certain paths and performance of certain ' |
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227 'operations should be improved') |
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228 |
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229 @registerformatvariant |
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230 class dotencode(requirementformatvariant): |
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231 name = 'dotencode' |
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232 |
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233 _requirement = 'dotencode' |
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234 |
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235 default = True |
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236 |
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237 description = _('storage of filenames beginning with a period or ' |
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238 'space may not work correctly') |
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239 |
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240 upgrademessage = _('repository will be better able to store files ' |
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241 'beginning with a space or period') |
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242 |
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243 @registerformatvariant |
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244 class generaldelta(requirementformatvariant): |
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245 name = 'generaldelta' |
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246 |
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247 _requirement = 'generaldelta' |
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248 |
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249 default = True |
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250 |
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251 description = _('deltas within internal storage are unable to ' |
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252 'choose optimal revisions; repository is larger and ' |
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253 'slower than it could be; interaction with other ' |
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254 'repositories may require extra network and CPU ' |
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255 'resources, making "hg push" and "hg pull" slower') |
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256 |
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257 upgrademessage = _('repository storage will be able to create ' |
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258 'optimal deltas; new repository data will be ' |
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259 'smaller and read times should decrease; ' |
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260 'interacting with other repositories using this ' |
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261 'storage model should require less network and ' |
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262 'CPU resources, making "hg push" and "hg pull" ' |
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263 'faster') |
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264 |
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265 @registerformatvariant |
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266 class sparserevlog(requirementformatvariant): |
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267 name = 'sparserevlog' |
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268 |
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269 _requirement = localrepo.SPARSEREVLOG_REQUIREMENT |
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270 |
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271 default = False |
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272 |
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273 description = _('in order to limit disk reading and memory usage on older ' |
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274 'version, the span of a delta chain from its root to its ' |
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275 'end is limited, whatever the relevant data in this span. ' |
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276 'This can severly limit Mercurial ability to build good ' |
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277 'chain of delta resulting is much more storage space being ' |
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278 'taken and limit reusability of on disk delta during ' |
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279 'exchange.' |
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280 ) |
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281 |
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282 upgrademessage = _('Revlog supports delta chain with more unused data ' |
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283 'between payload. These gaps will be skipped at read ' |
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284 'time. This allows for better delta chains, making a ' |
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285 'better compression and faster exchange with server.') |
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286 |
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287 @registerformatvariant |
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288 class removecldeltachain(formatvariant): |
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289 name = 'plain-cl-delta' |
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290 |
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291 default = True |
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292 |
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293 description = _('changelog storage is using deltas instead of ' |
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294 'raw entries; changelog reading and any ' |
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295 'operation relying on changelog data are slower ' |
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296 'than they could be') |
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297 |
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298 upgrademessage = _('changelog storage will be reformated to ' |
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299 'store raw entries; changelog reading will be ' |
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300 'faster; changelog size may be reduced') |
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301 |
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302 @staticmethod |
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303 def fromrepo(repo): |
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304 # Mercurial 4.0 changed changelogs to not use delta chains. Search for |
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305 # changelogs with deltas. |
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306 cl = repo.changelog |
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307 chainbase = cl.chainbase |
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308 return all(rev == chainbase(rev) for rev in cl) |
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309 |
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310 @staticmethod |
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311 def fromconfig(repo): |
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312 return True |
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313 |
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314 @registerformatvariant |
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315 class compressionengine(formatvariant): |
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316 name = 'compression' |
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317 default = 'zlib' |
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318 |
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319 description = _('Compresion algorithm used to compress data. ' |
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320 'Some engine are faster than other') |
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321 |
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322 upgrademessage = _('revlog content will be recompressed with the new ' |
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323 'algorithm.') |
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324 |
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325 @classmethod |
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326 def fromrepo(cls, repo): |
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327 for req in repo.requirements: |
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328 if req.startswith('exp-compression-'): |
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329 return req.split('-', 2)[2] |
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330 return 'zlib' |
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331 |
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332 @classmethod |
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333 def fromconfig(cls, repo): |
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334 return repo.ui.config('experimental', 'format.compression') |
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335 |
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336 def finddeficiencies(repo): |
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337 """returns a list of deficiencies that the repo suffer from""" |
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338 deficiencies = [] |
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339 |
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340 # We could detect lack of revlogv1 and store here, but they were added |
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341 # in 0.9.2 and we don't support upgrading repos without these |
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342 # requirements, so let's not bother. |
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343 |
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344 for fv in allformatvariant: |
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345 if not fv.fromrepo(repo): |
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346 deficiencies.append(fv) |
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347 |
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348 return deficiencies |
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349 |
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350 def findoptimizations(repo): |
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351 """Determine optimisation that could be used during upgrade""" |
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352 # These are unconditionally added. There is logic later that figures out |
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353 # which ones to apply. |
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354 optimizations = [] |
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355 |
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356 optimizations.append(improvement( |
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357 name='redeltaparent', |
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358 type=optimisation, |
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359 description=_('deltas within internal storage will be recalculated to ' |
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360 'choose an optimal base revision where this was not ' |
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361 'already done; the size of the repository may shrink and ' |
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362 'various operations may become faster; the first time ' |
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363 'this optimization is performed could slow down upgrade ' |
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364 'execution considerably; subsequent invocations should ' |
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365 'not run noticeably slower'), |
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366 upgrademessage=_('deltas within internal storage will choose a new ' |
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367 'base revision if needed'))) |
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368 |
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369 optimizations.append(improvement( |
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370 name='redeltamultibase', |
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371 type=optimisation, |
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372 description=_('deltas within internal storage will be recalculated ' |
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373 'against multiple base revision and the smallest ' |
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374 'difference will be used; the size of the repository may ' |
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375 'shrink significantly when there are many merges; this ' |
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376 'optimization will slow down execution in proportion to ' |
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377 'the number of merges in the repository and the amount ' |
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378 'of files in the repository; this slow down should not ' |
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379 'be significant unless there are tens of thousands of ' |
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380 'files and thousands of merges'), |
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381 upgrademessage=_('deltas within internal storage will choose an ' |
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382 'optimal delta by computing deltas against multiple ' |
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383 'parents; may slow down execution time ' |
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384 'significantly'))) |
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385 |
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386 optimizations.append(improvement( |
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387 name='redeltaall', |
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388 type=optimisation, |
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389 description=_('deltas within internal storage will always be ' |
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390 'recalculated without reusing prior deltas; this will ' |
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391 'likely make execution run several times slower; this ' |
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392 'optimization is typically not needed'), |
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393 upgrademessage=_('deltas within internal storage will be fully ' |
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394 'recomputed; this will likely drastically slow down ' |
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395 'execution time'))) |
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396 |
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397 optimizations.append(improvement( |
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398 name='redeltafulladd', |
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399 type=optimisation, |
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400 description=_('every revision will be re-added as if it was new ' |
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401 'content. It will go through the full storage ' |
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402 'mechanism giving extensions a chance to process it ' |
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403 '(eg. lfs). This is similar to "redeltaall" but even ' |
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404 'slower since more logic is involved.'), |
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405 upgrademessage=_('each revision will be added as new content to the ' |
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406 'internal storage; this will likely drastically slow ' |
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407 'down execution time, but some extensions might need ' |
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408 'it'))) |
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409 |
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410 return optimizations |
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411 |
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412 def determineactions(repo, deficiencies, sourcereqs, destreqs): |
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413 """Determine upgrade actions that will be performed. |
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414 |
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415 Given a list of improvements as returned by ``finddeficiencies`` and |
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416 ``findoptimizations``, determine the list of upgrade actions that |
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417 will be performed. |
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418 |
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419 The role of this function is to filter improvements if needed, apply |
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420 recommended optimizations from the improvements list that make sense, |
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421 etc. |
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422 |
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423 Returns a list of action names. |
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424 """ |
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425 newactions = [] |
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426 |
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427 knownreqs = supporteddestrequirements(repo) |
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428 |
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429 for d in deficiencies: |
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430 name = d.name |
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431 |
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432 # If the action is a requirement that doesn't show up in the |
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433 # destination requirements, prune the action. |
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434 if name in knownreqs and name not in destreqs: |
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435 continue |
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436 |
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437 newactions.append(d) |
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438 |
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439 # FUTURE consider adding some optimizations here for certain transitions. |
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440 # e.g. adding generaldelta could schedule parent redeltas. |
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441 |
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442 return newactions |
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443 |
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444 def _revlogfrompath(repo, path): |
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445 """Obtain a revlog from a repo path. |
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446 |
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447 An instance of the appropriate class is returned. |
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448 """ |
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449 if path == '00changelog.i': |
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450 return changelog.changelog(repo.svfs) |
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451 elif path.endswith('00manifest.i'): |
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452 mandir = path[:-len('00manifest.i')] |
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453 return manifest.manifestrevlog(repo.svfs, tree=mandir) |
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454 else: |
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455 #reverse of "/".join(("data", path + ".i")) |
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456 return filelog.filelog(repo.svfs, path[5:-2]) |
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457 |
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458 def _copyrevlogs(ui, srcrepo, dstrepo, tr, deltareuse, deltabothparents): |
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459 """Copy revlogs between 2 repos.""" |
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460 revcount = 0 |
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461 srcsize = 0 |
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462 srcrawsize = 0 |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
463 dstsize = 0 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
464 fcount = 0 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
465 frevcount = 0 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
466 fsrcsize = 0 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
467 frawsize = 0 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
468 fdstsize = 0 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
469 mcount = 0 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
470 mrevcount = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
471 msrcsize = 0 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
472 mrawsize = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
473 mdstsize = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
474 crevcount = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
475 csrcsize = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
476 crawsize = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
477 cdstsize = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
478 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
479 # Perform a pass to collect metadata. This validates we can open all |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
480 # source files and allows a unified progress bar to be displayed. |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
481 for unencoded, encoded, size in srcrepo.store.walk(): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
482 if unencoded.endswith('.d'): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
483 continue |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
484 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
485 rl = _revlogfrompath(srcrepo, unencoded) |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
486 revcount += len(rl) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
487 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
488 datasize = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
489 rawsize = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
490 idx = rl.index |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
491 for rev in rl: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
492 e = idx[rev] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
493 datasize += e[1] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
494 rawsize += e[2] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
495 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
496 srcsize += datasize |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
497 srcrawsize += rawsize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
498 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
499 # This is for the separate progress bars. |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
500 if isinstance(rl, changelog.changelog): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
501 crevcount += len(rl) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
502 csrcsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
503 crawsize += rawsize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
504 elif isinstance(rl, manifest.manifestrevlog): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
505 mcount += 1 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
506 mrevcount += len(rl) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
507 msrcsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
508 mrawsize += rawsize |
37444
c8666a9e9e11
upgrade: sniff for filelog type
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36373
diff
changeset
|
509 elif isinstance(rl, filelog.filelog): |
30779
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
510 fcount += 1 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
511 frevcount += len(rl) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
512 fsrcsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
513 frawsize += rawsize |
37444
c8666a9e9e11
upgrade: sniff for filelog type
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36373
diff
changeset
|
514 else: |
c8666a9e9e11
upgrade: sniff for filelog type
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36373
diff
changeset
|
515 error.ProgrammingError('unknown revlog type') |
30779
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
516 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
517 if not revcount: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
518 return |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
519 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
520 ui.write(_('migrating %d total revisions (%d in filelogs, %d in manifests, ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
521 '%d in changelog)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
522 (revcount, frevcount, mrevcount, crevcount)) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
523 ui.write(_('migrating %s in store; %s tracked data\n') % ( |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
524 (util.bytecount(srcsize), util.bytecount(srcrawsize)))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
525 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
526 # Used to keep track of progress. |
38399
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38398
diff
changeset
|
527 progress = None |
30779
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
528 def oncopiedrevision(rl, rev, node): |
38399
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
529 progress.increment() |
30779
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
530 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
531 # Do the actual copying. |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
532 # FUTURE this operation can be farmed off to worker processes. |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
533 seen = set() |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
534 for unencoded, encoded, size in srcrepo.store.walk(): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
535 if unencoded.endswith('.d'): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
536 continue |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
537 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
538 oldrl = _revlogfrompath(srcrepo, unencoded) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
539 newrl = _revlogfrompath(dstrepo, unencoded) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
540 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
541 if isinstance(oldrl, changelog.changelog) and 'c' not in seen: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
542 ui.write(_('finished migrating %d manifest revisions across %d ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
543 'manifests; change in size: %s\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
544 (mrevcount, mcount, util.bytecount(mdstsize - msrcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
545 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
546 ui.write(_('migrating changelog containing %d revisions ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
547 '(%s in store; %s tracked data)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
548 (crevcount, util.bytecount(csrcsize), |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
549 util.bytecount(crawsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
550 seen.add('c') |
38399
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38398
diff
changeset
|
551 progress = srcrepo.ui.makeprogress(_('changelog revisions'), |
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38398
diff
changeset
|
552 total=crevcount) |
30779
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
553 elif isinstance(oldrl, manifest.manifestrevlog) and 'm' not in seen: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
554 ui.write(_('finished migrating %d filelog revisions across %d ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
555 'filelogs; change in size: %s\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
556 (frevcount, fcount, util.bytecount(fdstsize - fsrcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
557 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
558 ui.write(_('migrating %d manifests containing %d revisions ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
559 '(%s in store; %s tracked data)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
560 (mcount, mrevcount, util.bytecount(msrcsize), |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
561 util.bytecount(mrawsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
562 seen.add('m') |
38398
f273b768b60f
upgrade: close progress after each revlog
Martin von Zweigbergk <martinvonz@google.com>
parents:
38165
diff
changeset
|
563 if progress: |
38399
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38398
diff
changeset
|
564 progress.complete() |
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38398
diff
changeset
|
565 progress = srcrepo.ui.makeprogress(_('manifest revisions'), |
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38398
diff
changeset
|
566 total=mrevcount) |
30779
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
567 elif 'f' not in seen: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
568 ui.write(_('migrating %d filelogs containing %d revisions ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
569 '(%s in store; %s tracked data)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
570 (fcount, frevcount, util.bytecount(fsrcsize), |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
571 util.bytecount(frawsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
572 seen.add('f') |
38398
f273b768b60f
upgrade: close progress after each revlog
Martin von Zweigbergk <martinvonz@google.com>
parents:
38165
diff
changeset
|
573 if progress: |
38399
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38398
diff
changeset
|
574 progress.complete() |
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38398
diff
changeset
|
575 progress = srcrepo.ui.makeprogress(_('file revisions'), |
185588cb0c4b
upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38398
diff
changeset
|
576 total=frevcount) |
30779
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
577 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
578 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
579 ui.note(_('cloning %d revisions from %s\n') % (len(oldrl), unencoded)) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
580 oldrl.clone(tr, newrl, addrevisioncb=oncopiedrevision, |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
581 deltareuse=deltareuse, |
38736
93777d16a25d
aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents:
38720
diff
changeset
|
582 deltabothparents=deltabothparents) |
30779
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
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583 |
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584 datasize = 0 |
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585 idx = newrl.index |
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586 for rev in newrl: |
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587 datasize += idx[rev][1] |
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588 |
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589 dstsize += datasize |
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590 |
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591 if isinstance(newrl, changelog.changelog): |
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592 cdstsize += datasize |
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593 elif isinstance(newrl, manifest.manifestrevlog): |
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594 mdstsize += datasize |
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595 else: |
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596 fdstsize += datasize |
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597 |
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598 progress.complete() |
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599 |
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600 ui.write(_('finished migrating %d changelog revisions; change in size: ' |
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601 '%s\n') % (crevcount, util.bytecount(cdstsize - csrcsize))) |
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602 |
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603 ui.write(_('finished migrating %d total revisions; total change in store ' |
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604 'size: %s\n') % (revcount, util.bytecount(dstsize - srcsize))) |
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diff
changeset
|
605 |
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606 def _filterstorefile(srcrepo, dstrepo, requirements, path, mode, st): |
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607 """Determine whether to copy a store file during upgrade. |
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608 |
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609 This function is called when migrating store files from ``srcrepo`` to |
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diff
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610 ``dstrepo`` as part of upgrading a repository. |
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611 |
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612 Args: |
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613 srcrepo: repo we are copying from |
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614 dstrepo: repo we are copying to |
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615 requirements: set of requirements for ``dstrepo`` |
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616 path: store file being examined |
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617 mode: the ``ST_MODE`` file type of ``path`` |
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618 st: ``stat`` data structure for ``path`` |
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619 |
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620 Function should return ``True`` if the file is to be copied. |
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621 """ |
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622 # Skip revlogs. |
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623 if path.endswith(('.i', '.d')): |
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624 return False |
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625 # Skip transaction related files. |
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626 if path.startswith('undo'): |
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627 return False |
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628 # Only copy regular files. |
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629 if mode != stat.S_IFREG: |
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630 return False |
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631 # Skip other skipped files. |
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632 if path in ('lock', 'fncache'): |
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633 return False |
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634 |
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635 return True |
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636 |
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637 def _finishdatamigration(ui, srcrepo, dstrepo, requirements): |
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638 """Hook point for extensions to perform additional actions during upgrade. |
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639 |
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640 This function is called after revlogs and store files have been copied but |
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641 before the new store is swapped into the original location. |
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642 """ |
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|
643 |
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644 def _upgraderepo(ui, srcrepo, dstrepo, requirements, actions): |
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645 """Do the low-level work of upgrading a repository. |
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646 |
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647 The upgrade is effectively performed as a copy between a source |
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648 repository and a temporary destination repository. |
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649 |
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650 The source repository is unmodified for as long as possible so the |
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651 upgrade can abort at any time without causing loss of service for |
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652 readers and without corrupting the source repository. |
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653 """ |
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654 assert srcrepo.currentwlock() |
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655 assert dstrepo.currentwlock() |
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656 |
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657 ui.write(_('(it is safe to interrupt this process any time before ' |
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658 'data migration completes)\n')) |
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659 |
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660 if 'redeltaall' in actions: |
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661 deltareuse = revlog.revlog.DELTAREUSENEVER |
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662 elif 'redeltaparent' in actions: |
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663 deltareuse = revlog.revlog.DELTAREUSESAMEREVS |
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664 elif 'redeltamultibase' in actions: |
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665 deltareuse = revlog.revlog.DELTAREUSESAMEREVS |
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|
666 elif 'redeltafulladd' in actions: |
35345
6226668a7169
upgrade: add a 'redeltafullall' mode
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|
667 deltareuse = revlog.revlog.DELTAREUSEFULLADD |
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668 else: |
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669 deltareuse = revlog.revlog.DELTAREUSEALWAYS |
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670 |
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671 with dstrepo.transaction('upgrade') as tr: |
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672 _copyrevlogs(ui, srcrepo, dstrepo, tr, deltareuse, |
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673 'redeltamultibase' in actions) |
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674 |
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675 # Now copy other files in the store directory. |
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676 # The sorted() makes execution deterministic. |
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|
677 for p, kind, st in sorted(srcrepo.store.vfs.readdir('', stat=True)): |
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678 if not _filterstorefile(srcrepo, dstrepo, requirements, |
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|
679 p, kind, st): |
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680 continue |
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|
681 |
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682 srcrepo.ui.write(_('copying %s\n') % p) |
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683 src = srcrepo.store.rawvfs.join(p) |
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684 dst = dstrepo.store.rawvfs.join(p) |
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685 util.copyfile(src, dst, copystat=True) |
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686 |
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687 _finishdatamigration(ui, srcrepo, dstrepo, requirements) |
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688 |
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689 ui.write(_('data fully migrated to temporary repository\n')) |
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|
690 |
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691 backuppath = pycompat.mkdtemp(prefix='upgradebackup.', dir=srcrepo.path) |
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692 backupvfs = vfsmod.vfs(backuppath) |
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693 |
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694 # Make a backup of requires file first, as it is the first to be modified. |
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695 util.copyfile(srcrepo.vfs.join('requires'), backupvfs.join('requires')) |
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696 |
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697 # We install an arbitrary requirement that clients must not support |
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698 # as a mechanism to lock out new clients during the data swap. This is |
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699 # better than allowing a client to continue while the repository is in |
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700 # an inconsistent state. |
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diff
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|
701 ui.write(_('marking source repository as being upgraded; clients will be ' |
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702 'unable to read from repository\n')) |
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|
703 scmutil.writerequires(srcrepo.vfs, |
32291
bd872f64a8ba
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|
704 srcrepo.requirements | {'upgradeinprogress'}) |
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705 |
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|
706 ui.write(_('starting in-place swap of repository data\n')) |
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707 ui.write(_('replaced files will be backed up at %s\n') % |
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parents:
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diff
changeset
|
708 backuppath) |
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diff
changeset
|
709 |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
710 # Now swap in the new store directory. Doing it as a rename should make |
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parents:
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711 # the operation nearly instantaneous and atomic (at least in well-behaved |
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Gregory Szorc <gregory.szorc@gmail.com>
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712 # environments). |
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713 ui.write(_('replacing store...\n')) |
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parents:
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diff
changeset
|
714 tstart = util.timer() |
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|
715 util.rename(srcrepo.spath, backupvfs.join('store')) |
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716 util.rename(dstrepo.spath, srcrepo.spath) |
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717 elapsed = util.timer() - tstart |
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718 ui.write(_('store replacement complete; repository was inconsistent for ' |
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719 '%0.1fs\n') % elapsed) |
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720 |
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|
721 # We first write the requirements file. Any new requirements will lock |
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722 # out legacy clients. |
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|
723 ui.write(_('finalizing requirements file and making repository readable ' |
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724 'again\n')) |
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725 scmutil.writerequires(srcrepo.vfs, requirements) |
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|
726 |
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diff
changeset
|
727 # The lock file from the old store won't be removed because nothing has a |
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diff
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728 # reference to its new location. So clean it up manually. Alternatively, we |
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729 # could update srcrepo.svfs and other variables to point to the new |
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730 # location. This is simpler. |
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changeset
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731 backupvfs.unlink('store/lock') |
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diff
changeset
|
732 |
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733 return backuppath |
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734 |
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735 def upgraderepo(ui, repo, run=False, optimize=None): |
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736 """Upgrade a repository in place.""" |
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737 optimize = set(optimize or []) |
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738 repo = repo.unfiltered() |
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|
739 |
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740 # Ensure the repository can be upgraded. |
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parents:
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741 missingreqs = requiredsourcerequirements(repo) - repo.requirements |
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742 if missingreqs: |
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743 raise error.Abort(_('cannot upgrade repository; requirement ' |
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744 'missing: %s') % _(', ').join(sorted(missingreqs))) |
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|
745 |
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diff
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|
746 blockedreqs = blocksourcerequirements(repo) & repo.requirements |
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747 if blockedreqs: |
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748 raise error.Abort(_('cannot upgrade repository; unsupported source ' |
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749 'requirement: %s') % |
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750 _(', ').join(sorted(blockedreqs))) |
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|
751 |
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|
752 # FUTURE there is potentially a need to control the wanted requirements via |
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753 # command arguments or via an extension hook point. |
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754 newreqs = localrepo.newreporequirements(repo) |
35302
ad2b35ebf670
upgraderepo: allow extension to register preserved requirements
Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
755 newreqs.update(preservedrequirements(repo)) |
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756 |
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757 noremovereqs = (repo.requirements - newreqs - |
31867
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parents:
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diff
changeset
|
758 supportremovedrequirements(repo)) |
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759 if noremovereqs: |
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760 raise error.Abort(_('cannot upgrade repository; requirement would be ' |
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|
761 'removed: %s') % _(', ').join(sorted(noremovereqs))) |
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|
762 |
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diff
changeset
|
763 noaddreqs = (newreqs - repo.requirements - |
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diff
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|
764 allowednewrequirements(repo)) |
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|
765 if noaddreqs: |
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|
766 raise error.Abort(_('cannot upgrade repository; do not support adding ' |
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diff
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|
767 'requirement: %s') % |
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changeset
|
768 _(', ').join(sorted(noaddreqs))) |
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diff
changeset
|
769 |
31870
49011f1cedd4
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diff
changeset
|
770 unsupportedreqs = newreqs - supporteddestrequirements(repo) |
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|
771 if unsupportedreqs: |
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diff
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|
772 raise error.Abort(_('cannot upgrade repository; do not support ' |
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parents:
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|
773 'destination requirement: %s') % |
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|
774 _(', ').join(sorted(unsupportedreqs))) |
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diff
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|
775 |
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|
776 # Find and validate all improvements that can be made. |
31899
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777 alloptimizations = findoptimizations(repo) |
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778 |
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|
779 # Apply and Validate arguments. |
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|
780 optimizations = [] |
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|
781 for o in alloptimizations: |
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|
782 if o.name in optimize: |
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|
783 optimizations.append(o) |
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784 optimize.discard(o.name) |
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|
785 |
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|
786 if optimize: # anything left is unknown |
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787 raise error.Abort(_('unknown optimization action requested: %s') % |
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788 ', '.join(sorted(optimize)), |
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789 hint=_('run without arguments to see valid ' |
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|
790 'optimizations')) |
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|
791 |
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|
792 deficiencies = finddeficiencies(repo) |
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|
793 actions = determineactions(repo, deficiencies, repo.requirements, newreqs) |
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diff
changeset
|
794 actions.extend(o for o in sorted(optimizations) |
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changeset
|
795 # determineactions could have added optimisation |
31903
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diff
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|
796 if o not in actions) |
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|
797 |
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|
798 def printrequirements(): |
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|
799 ui.write(_('requirements\n')) |
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|
800 ui.write(_(' preserved: %s\n') % |
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801 _(', ').join(sorted(newreqs & repo.requirements))) |
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802 |
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|
803 if repo.requirements - newreqs: |
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|
804 ui.write(_(' removed: %s\n') % |
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diff
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|
805 _(', ').join(sorted(repo.requirements - newreqs))) |
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|
806 |
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diff
changeset
|
807 if newreqs - repo.requirements: |
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changeset
|
808 ui.write(_(' added: %s\n') % |
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diff
changeset
|
809 _(', ').join(sorted(newreqs - repo.requirements))) |
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|
810 |
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|
811 ui.write('\n') |
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812 |
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813 def printupgradeactions(): |
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814 for a in actions: |
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815 ui.write('%s\n %s\n\n' % (a.name, a.upgrademessage)) |
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816 |
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817 if not run: |
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818 fromconfig = [] |
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819 onlydefault = [] |
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820 |
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821 for d in deficiencies: |
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822 if d.fromconfig(repo): |
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823 fromconfig.append(d) |
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824 elif d.default: |
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825 onlydefault.append(d) |
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826 |
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827 if fromconfig or onlydefault: |
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828 |
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829 if fromconfig: |
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830 ui.write(_('repository lacks features recommended by ' |
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831 'current config options:\n\n')) |
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832 for i in fromconfig: |
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833 ui.write('%s\n %s\n\n' % (i.name, i.description)) |
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834 |
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835 if onlydefault: |
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836 ui.write(_('repository lacks features used by the default ' |
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837 'config options:\n\n')) |
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838 for i in onlydefault: |
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839 ui.write('%s\n %s\n\n' % (i.name, i.description)) |
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840 |
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841 ui.write('\n') |
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842 else: |
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843 ui.write(_('(no feature deficiencies found in existing ' |
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844 'repository)\n')) |
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845 |
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846 ui.write(_('performing an upgrade with "--run" will make the following ' |
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847 'changes:\n\n')) |
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848 |
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849 printrequirements() |
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850 printupgradeactions() |
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851 |
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852 unusedoptimize = [i for i in alloptimizations if i not in actions] |
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853 |
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854 if unusedoptimize: |
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855 ui.write(_('additional optimizations are available by specifying ' |
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856 '"--optimize <name>":\n\n')) |
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857 for i in unusedoptimize: |
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858 ui.write(_('%s\n %s\n\n') % (i.name, i.description)) |
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859 return |
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860 |
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861 # Else we're in the run=true case. |
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862 ui.write(_('upgrade will perform the following actions:\n\n')) |
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863 printrequirements() |
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864 printupgradeactions() |
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865 |
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866 upgradeactions = [a.name for a in actions] |
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867 |
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868 ui.write(_('beginning upgrade...\n')) |
33438 | 869 with repo.wlock(), repo.lock(): |
870 ui.write(_('repository locked and read-only\n')) | |
871 # Our strategy for upgrading the repository is to create a new, | |
872 # temporary repository, write data to it, then do a swap of the | |
873 # data. There are less heavyweight ways to do this, but it is easier | |
874 # to create a new repo object than to instantiate all the components | |
875 # (like the store) separately. | |
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876 tmppath = pycompat.mkdtemp(prefix='upgrade.', dir=repo.path) |
33438 | 877 backuppath = None |
878 try: | |
879 ui.write(_('creating temporary repository to stage migrated ' | |
880 'data: %s\n') % tmppath) | |
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881 |
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882 # clone ui without using ui.copy because repo.ui is protected |
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883 repoui = repo.ui.__class__(repo.ui) |
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884 dstrepo = hg.repository(repoui, path=tmppath, create=True) |
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885 |
33438 | 886 with dstrepo.wlock(), dstrepo.lock(): |
887 backuppath = _upgraderepo(ui, repo, dstrepo, newreqs, | |
888 upgradeactions) | |
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889 |
33438 | 890 finally: |
891 ui.write(_('removing temporary repository %s\n') % tmppath) | |
892 repo.vfs.rmtree(tmppath, forcibly=True) | |
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893 |
33438 | 894 if backuppath: |
895 ui.warn(_('copy of old repository backed up at %s\n') % | |
896 backuppath) | |
897 ui.warn(_('the old repository will not be deleted; remove ' | |
898 'it to free up disk space once the upgraded ' | |
899 'repository is verified\n')) |