Mercurial > hg
annotate mercurial/upgrade.py @ 37056:861e9d37e56e
wireproto: buffer output frames when in half duplex mode
Previously, when told that a response was ready, the server reactor
would instruct the caller to send frames immediately. This was OK
as an initial implementation. But it would not work for half-duplex
connections where the sender can't receive until all data has been
transmitted - such as httplib based clients.
In this commit, we teach the reactor that output frames should
be buffered until end of input is seen. This required a new
event to inform the reactor of end of input. The result from that
event will instruct the consumer to send all buffered frames.
The HTTP server is buffered by default.
This change effectively hides the complexity of buffering within
the reactor so that transports need not be concerned about it.
This helps keep the transports "dumb" and will make implementing
multiple requests-responses per atomic exchange (like an HTTP
request) much simpler.
Differential Revision: https://phab.mercurial-scm.org/D2860
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Wed, 14 Mar 2018 14:01:16 -0700 |
parents | 0147a4730420 |
children | c8666a9e9e11 |
rev | line source |
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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 import tempfile |
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12 |
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13 from .i18n import _ |
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14 from . import ( |
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15 changelog, |
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16 error, |
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17 filelog, |
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18 hg, |
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19 localrepo, |
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20 manifest, |
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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 set() |
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65 |
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66 def supporteddestrequirements(repo): |
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67 """Obtain requirements that upgrade supports in the destination. |
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68 |
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69 If the result of the upgrade would create requirements not in this set, |
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70 the upgrade is disallowed. |
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71 |
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72 Extensions should monkeypatch this to add their custom requirements. |
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73 """ |
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74 return { |
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75 'dotencode', |
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76 'fncache', |
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77 'generaldelta', |
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78 'revlogv1', |
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79 'store', |
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80 } |
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81 |
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82 def allowednewrequirements(repo): |
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83 """Obtain requirements that can be added to a repository during upgrade. |
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84 |
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85 This is used to disallow proposed requirements from being added when |
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86 they weren't present before. |
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87 |
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88 We use a list of allowed requirement additions instead of a list of known |
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89 bad additions because the whitelist approach is safer and will prevent |
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90 future, unknown requirements from accidentally being added. |
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91 """ |
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92 return { |
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93 'dotencode', |
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94 'fncache', |
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95 'generaldelta', |
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96 } |
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97 |
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98 def preservedrequirements(repo): |
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99 return set() |
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100 |
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101 deficiency = 'deficiency' |
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102 optimisation = 'optimization' |
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103 |
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104 class improvement(object): |
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105 """Represents an improvement that can be made as part of an upgrade. |
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106 |
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107 The following attributes are defined on each instance: |
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108 |
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109 name |
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110 Machine-readable string uniquely identifying this improvement. It |
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111 will be mapped to an action later in the upgrade process. |
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112 |
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113 type |
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114 Either ``deficiency`` or ``optimisation``. A deficiency is an obvious |
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115 problem. An optimization is an action (sometimes optional) that |
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116 can be taken to further improve the state of the repository. |
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117 |
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118 description |
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119 Message intended for humans explaining the improvement in more detail, |
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120 including the implications of it. For ``deficiency`` types, should be |
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121 worded in the present tense. For ``optimisation`` types, should be |
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122 worded in the future tense. |
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123 |
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124 upgrademessage |
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125 Message intended for humans explaining what an upgrade addressing this |
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126 issue will do. Should be worded in the future tense. |
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127 """ |
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128 def __init__(self, name, type, description, upgrademessage): |
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129 self.name = name |
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130 self.type = type |
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131 self.description = description |
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132 self.upgrademessage = upgrademessage |
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133 |
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134 def __eq__(self, other): |
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135 if not isinstance(other, improvement): |
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136 # This is what python tell use to do |
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137 return NotImplemented |
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138 return self.name == other.name |
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139 |
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140 def __ne__(self, other): |
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141 return not self == other |
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142 |
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143 def __hash__(self): |
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144 return hash(self.name) |
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145 |
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146 allformatvariant = [] |
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147 |
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148 def registerformatvariant(cls): |
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149 allformatvariant.append(cls) |
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150 return cls |
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151 |
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152 class formatvariant(improvement): |
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153 """an improvement subclass dedicated to repository format""" |
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154 type = deficiency |
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155 ### The following attributes should be defined for each class: |
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156 |
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157 # machine-readable string uniquely identifying this improvement. it will be |
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158 # mapped to an action later in the upgrade process. |
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159 name = None |
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160 |
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161 # message intended for humans explaining the improvement in more detail, |
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162 # including the implications of it ``deficiency`` types, should be worded |
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163 # in the present tense. |
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164 description = None |
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165 |
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166 # message intended for humans explaining what an upgrade addressing this |
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167 # issue will do. should be worded in the future tense. |
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168 upgrademessage = None |
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169 |
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170 # value of current Mercurial default for new repository |
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171 default = None |
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172 |
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173 def __init__(self): |
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174 raise NotImplementedError() |
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175 |
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176 @staticmethod |
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177 def fromrepo(repo): |
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178 """current value of the variant in the repository""" |
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179 raise NotImplementedError() |
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180 |
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181 @staticmethod |
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182 def fromconfig(repo): |
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183 """current value of the variant in the configuration""" |
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184 raise NotImplementedError() |
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185 |
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186 class requirementformatvariant(formatvariant): |
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187 """formatvariant based on a 'requirement' name. |
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188 |
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189 Many format variant are controlled by a 'requirement'. We define a small |
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190 subclass to factor the code. |
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191 """ |
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192 |
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193 # the requirement that control this format variant |
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194 _requirement = None |
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195 |
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196 @staticmethod |
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197 def _newreporequirements(repo): |
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198 return localrepo.newreporequirements(repo) |
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199 |
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200 @classmethod |
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201 def fromrepo(cls, repo): |
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202 assert cls._requirement is not None |
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203 return cls._requirement in repo.requirements |
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204 |
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205 @classmethod |
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206 def fromconfig(cls, repo): |
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207 assert cls._requirement is not None |
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208 return cls._requirement in cls._newreporequirements(repo) |
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209 |
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210 @registerformatvariant |
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211 class fncache(requirementformatvariant): |
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212 name = 'fncache' |
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213 |
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214 _requirement = 'fncache' |
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215 |
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216 default = True |
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217 |
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218 description = _('long and reserved filenames may not work correctly; ' |
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219 'repository performance is sub-optimal') |
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220 |
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221 upgrademessage = _('repository will be more resilient to storing ' |
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222 'certain paths and performance of certain ' |
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223 'operations should be improved') |
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224 |
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225 @registerformatvariant |
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226 class dotencode(requirementformatvariant): |
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227 name = 'dotencode' |
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228 |
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229 _requirement = 'dotencode' |
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230 |
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231 default = True |
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232 |
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233 description = _('storage of filenames beginning with a period or ' |
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234 'space may not work correctly') |
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235 |
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236 upgrademessage = _('repository will be better able to store files ' |
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237 'beginning with a space or period') |
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238 |
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239 @registerformatvariant |
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240 class generaldelta(requirementformatvariant): |
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241 name = 'generaldelta' |
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242 |
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243 _requirement = 'generaldelta' |
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244 |
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245 default = True |
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246 |
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247 description = _('deltas within internal storage are unable to ' |
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248 'choose optimal revisions; repository is larger and ' |
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249 'slower than it could be; interaction with other ' |
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250 'repositories may require extra network and CPU ' |
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251 'resources, making "hg push" and "hg pull" slower') |
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252 |
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253 upgrademessage = _('repository storage will be able to create ' |
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254 'optimal deltas; new repository data will be ' |
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255 'smaller and read times should decrease; ' |
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256 'interacting with other repositories using this ' |
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257 'storage model should require less network and ' |
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258 'CPU resources, making "hg push" and "hg pull" ' |
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259 'faster') |
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260 |
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261 @registerformatvariant |
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262 class removecldeltachain(formatvariant): |
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263 name = 'plain-cl-delta' |
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264 |
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265 default = True |
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266 |
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267 description = _('changelog storage is using deltas instead of ' |
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268 'raw entries; changelog reading and any ' |
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269 'operation relying on changelog data are slower ' |
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270 'than they could be') |
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271 |
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272 upgrademessage = _('changelog storage will be reformated to ' |
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273 'store raw entries; changelog reading will be ' |
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274 'faster; changelog size may be reduced') |
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275 |
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276 @staticmethod |
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277 def fromrepo(repo): |
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278 # Mercurial 4.0 changed changelogs to not use delta chains. Search for |
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279 # changelogs with deltas. |
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280 cl = repo.changelog |
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281 chainbase = cl.chainbase |
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282 return all(rev == chainbase(rev) for rev in cl) |
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283 |
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284 @staticmethod |
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285 def fromconfig(repo): |
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286 return True |
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287 |
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288 @registerformatvariant |
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289 class compressionengine(formatvariant): |
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290 name = 'compression' |
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291 default = 'zlib' |
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292 |
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293 description = _('Compresion algorithm used to compress data. ' |
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294 'Some engine are faster than other') |
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295 |
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296 upgrademessage = _('revlog content will be recompressed with the new ' |
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297 'algorithm.') |
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298 |
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299 @classmethod |
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300 def fromrepo(cls, repo): |
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301 for req in repo.requirements: |
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302 if req.startswith('exp-compression-'): |
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303 return req.split('-', 2)[2] |
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304 return 'zlib' |
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305 |
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306 @classmethod |
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307 def fromconfig(cls, repo): |
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308 return repo.ui.config('experimental', 'format.compression') |
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309 |
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310 def finddeficiencies(repo): |
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311 """returns a list of deficiencies that the repo suffer from""" |
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312 deficiencies = [] |
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313 |
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314 # We could detect lack of revlogv1 and store here, but they were added |
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315 # in 0.9.2 and we don't support upgrading repos without these |
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316 # requirements, so let's not bother. |
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317 |
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318 for fv in allformatvariant: |
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319 if not fv.fromrepo(repo): |
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320 deficiencies.append(fv) |
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321 |
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322 return deficiencies |
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323 |
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324 def findoptimizations(repo): |
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325 """Determine optimisation that could be used during upgrade""" |
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326 # These are unconditionally added. There is logic later that figures out |
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327 # which ones to apply. |
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328 optimizations = [] |
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329 |
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330 optimizations.append(improvement( |
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331 name='redeltaparent', |
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332 type=optimisation, |
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333 description=_('deltas within internal storage will be recalculated to ' |
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334 'choose an optimal base revision where this was not ' |
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335 'already done; the size of the repository may shrink and ' |
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336 'various operations may become faster; the first time ' |
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337 'this optimization is performed could slow down upgrade ' |
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338 'execution considerably; subsequent invocations should ' |
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339 'not run noticeably slower'), |
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340 upgrademessage=_('deltas within internal storage will choose a new ' |
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341 'base revision if needed'))) |
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342 |
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343 optimizations.append(improvement( |
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344 name='redeltamultibase', |
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345 type=optimisation, |
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346 description=_('deltas within internal storage will be recalculated ' |
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347 'against multiple base revision and the smallest ' |
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348 'difference will be used; the size of the repository may ' |
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349 'shrink significantly when there are many merges; this ' |
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350 'optimization will slow down execution in proportion to ' |
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351 'the number of merges in the repository and the amount ' |
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352 'of files in the repository; this slow down should not ' |
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353 'be significant unless there are tens of thousands of ' |
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354 'files and thousands of merges'), |
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355 upgrademessage=_('deltas within internal storage will choose an ' |
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356 'optimal delta by computing deltas against multiple ' |
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357 'parents; may slow down execution time ' |
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358 'significantly'))) |
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359 |
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360 optimizations.append(improvement( |
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361 name='redeltaall', |
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362 type=optimisation, |
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363 description=_('deltas within internal storage will always be ' |
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364 'recalculated without reusing prior deltas; this will ' |
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365 'likely make execution run several times slower; this ' |
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366 'optimization is typically not needed'), |
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367 upgrademessage=_('deltas within internal storage will be fully ' |
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368 'recomputed; this will likely drastically slow down ' |
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369 'execution time'))) |
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370 |
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371 optimizations.append(improvement( |
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372 name='redeltafulladd', |
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373 type=optimisation, |
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374 description=_('every revision will be re-added as if it was new ' |
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375 'content. It will go through the full storage ' |
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376 'mechanism giving extensions a chance to process it ' |
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377 '(eg. lfs). This is similar to "redeltaall" but even ' |
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378 'slower since more logic is involved.'), |
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379 upgrademessage=_('each revision will be added as new content to the ' |
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380 'internal storage; this will likely drastically slow ' |
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381 'down execution time, but some extensions might need ' |
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382 'it'))) |
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383 |
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384 return optimizations |
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385 |
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386 def determineactions(repo, deficiencies, sourcereqs, destreqs): |
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387 """Determine upgrade actions that will be performed. |
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388 |
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389 Given a list of improvements as returned by ``finddeficiencies`` and |
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390 ``findoptimizations``, determine the list of upgrade actions that |
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391 will be performed. |
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392 |
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393 The role of this function is to filter improvements if needed, apply |
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394 recommended optimizations from the improvements list that make sense, |
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395 etc. |
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396 |
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397 Returns a list of action names. |
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398 """ |
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399 newactions = [] |
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400 |
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401 knownreqs = supporteddestrequirements(repo) |
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402 |
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403 for d in deficiencies: |
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404 name = d.name |
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405 |
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406 # If the action is a requirement that doesn't show up in the |
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407 # destination requirements, prune the action. |
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408 if name in knownreqs and name not in destreqs: |
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409 continue |
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410 |
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411 newactions.append(d) |
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412 |
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413 # FUTURE consider adding some optimizations here for certain transitions. |
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414 # e.g. adding generaldelta could schedule parent redeltas. |
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415 |
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416 return newactions |
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417 |
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418 def _revlogfrompath(repo, path): |
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419 """Obtain a revlog from a repo path. |
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420 |
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421 An instance of the appropriate class is returned. |
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422 """ |
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423 if path == '00changelog.i': |
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424 return changelog.changelog(repo.svfs) |
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425 elif path.endswith('00manifest.i'): |
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426 mandir = path[:-len('00manifest.i')] |
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427 return manifest.manifestrevlog(repo.svfs, dir=mandir) |
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428 else: |
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429 #reverse of "/".join(("data", path + ".i")) |
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430 return filelog.filelog(repo.svfs, path[5:-2]) |
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431 |
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432 def _copyrevlogs(ui, srcrepo, dstrepo, tr, deltareuse, aggressivemergedeltas): |
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433 """Copy revlogs between 2 repos.""" |
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434 revcount = 0 |
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435 srcsize = 0 |
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436 srcrawsize = 0 |
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437 dstsize = 0 |
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438 fcount = 0 |
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439 frevcount = 0 |
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440 fsrcsize = 0 |
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441 frawsize = 0 |
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442 fdstsize = 0 |
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443 mcount = 0 |
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444 mrevcount = 0 |
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445 msrcsize = 0 |
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446 mrawsize = 0 |
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447 mdstsize = 0 |
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448 crevcount = 0 |
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449 csrcsize = 0 |
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450 crawsize = 0 |
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451 cdstsize = 0 |
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452 |
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453 # Perform a pass to collect metadata. This validates we can open all |
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454 # source files and allows a unified progress bar to be displayed. |
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455 for unencoded, encoded, size in srcrepo.store.walk(): |
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456 if unencoded.endswith('.d'): |
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457 continue |
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458 |
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459 rl = _revlogfrompath(srcrepo, unencoded) |
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460 revcount += len(rl) |
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461 |
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|
462 datasize = 0 |
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|
463 rawsize = 0 |
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|
464 idx = rl.index |
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|
465 for rev in rl: |
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|
466 e = idx[rev] |
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|
467 datasize += e[1] |
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diff
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|
468 rawsize += e[2] |
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diff
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|
469 |
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parents:
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diff
changeset
|
470 srcsize += datasize |
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diff
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|
471 srcrawsize += rawsize |
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|
472 |
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|
473 # This is for the separate progress bars. |
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474 if isinstance(rl, changelog.changelog): |
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diff
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|
475 crevcount += len(rl) |
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|
476 csrcsize += datasize |
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diff
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|
477 crawsize += rawsize |
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parents:
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diff
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|
478 elif isinstance(rl, manifest.manifestrevlog): |
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479 mcount += 1 |
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|
480 mrevcount += len(rl) |
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|
481 msrcsize += datasize |
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|
482 mrawsize += rawsize |
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repair: migrate revlogs during upgrade
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diff
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|
483 elif isinstance(rl, revlog.revlog): |
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|
484 fcount += 1 |
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parents:
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diff
changeset
|
485 frevcount += len(rl) |
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parents:
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|
486 fsrcsize += datasize |
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|
487 frawsize += rawsize |
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repair: migrate revlogs during upgrade
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parents:
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diff
changeset
|
488 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
489 if not revcount: |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
490 return |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
491 |
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
492 ui.write(_('migrating %d total revisions (%d in filelogs, %d in manifests, ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
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diff
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|
493 '%d in changelog)\n') % |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
494 (revcount, frevcount, mrevcount, crevcount)) |
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Gregory Szorc <gregory.szorc@gmail.com>
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|
495 ui.write(_('migrating %s in store; %s tracked data\n') % ( |
38aa1ca97b6a
repair: migrate revlogs during upgrade
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|
496 (util.bytecount(srcsize), util.bytecount(srcrawsize)))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
497 |
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|
498 # Used to keep track of progress. |
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|
499 progress = [] |
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|
500 def oncopiedrevision(rl, rev, node): |
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|
501 progress[1] += 1 |
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|
502 srcrepo.ui.progress(progress[0], progress[1], total=progress[2]) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
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diff
changeset
|
503 |
38aa1ca97b6a
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parents:
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diff
changeset
|
504 # Do the actual copying. |
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parents:
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|
505 # FUTURE this operation can be farmed off to worker processes. |
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parents:
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|
506 seen = set() |
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parents:
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|
507 for unencoded, encoded, size in srcrepo.store.walk(): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
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|
508 if unencoded.endswith('.d'): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
509 continue |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
510 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
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parents:
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diff
changeset
|
511 oldrl = _revlogfrompath(srcrepo, unencoded) |
38aa1ca97b6a
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diff
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|
512 newrl = _revlogfrompath(dstrepo, unencoded) |
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repair: migrate revlogs during upgrade
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parents:
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diff
changeset
|
513 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
514 if isinstance(oldrl, changelog.changelog) and 'c' not in seen: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
515 ui.write(_('finished migrating %d manifest revisions across %d ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
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parents:
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diff
changeset
|
516 'manifests; change in size: %s\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
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parents:
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diff
changeset
|
517 (mrevcount, mcount, util.bytecount(mdstsize - msrcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
518 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
519 ui.write(_('migrating changelog containing %d revisions ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
520 '(%s in store; %s tracked data)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
521 (crevcount, util.bytecount(csrcsize), |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
522 util.bytecount(crawsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
523 seen.add('c') |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
524 progress[:] = [_('changelog revisions'), 0, crevcount] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
525 elif isinstance(oldrl, manifest.manifestrevlog) and 'm' not in seen: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
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parents:
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diff
changeset
|
526 ui.write(_('finished migrating %d filelog revisions across %d ' |
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repair: migrate revlogs during upgrade
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parents:
30777
diff
changeset
|
527 'filelogs; change in size: %s\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
528 (frevcount, fcount, util.bytecount(fdstsize - fsrcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
529 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
530 ui.write(_('migrating %d manifests containing %d revisions ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
531 '(%s in store; %s tracked data)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
532 (mcount, mrevcount, util.bytecount(msrcsize), |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
533 util.bytecount(mrawsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
534 seen.add('m') |
38aa1ca97b6a
repair: migrate revlogs during upgrade
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parents:
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diff
changeset
|
535 progress[:] = [_('manifest revisions'), 0, mrevcount] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
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parents:
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diff
changeset
|
536 elif 'f' not in seen: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
537 ui.write(_('migrating %d filelogs containing %d revisions ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
538 '(%s in store; %s tracked data)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
539 (fcount, frevcount, util.bytecount(fsrcsize), |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
540 util.bytecount(frawsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
541 seen.add('f') |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
542 progress[:] = [_('file revisions'), 0, frevcount] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
543 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
544 ui.progress(progress[0], progress[1], total=progress[2]) |
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:
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diff
changeset
|
546 ui.note(_('cloning %d revisions from %s\n') % (len(oldrl), unencoded)) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
547 oldrl.clone(tr, newrl, addrevisioncb=oncopiedrevision, |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
548 deltareuse=deltareuse, |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
549 aggressivemergedeltas=aggressivemergedeltas) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
550 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
551 datasize = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
552 idx = newrl.index |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
553 for rev in newrl: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
554 datasize += idx[rev][1] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
555 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
556 dstsize += datasize |
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 if isinstance(newrl, changelog.changelog): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
559 cdstsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
560 elif isinstance(newrl, manifest.manifestrevlog): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
561 mdstsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
562 else: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
563 fdstsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
564 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
565 ui.progress(progress[0], None) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
566 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
567 ui.write(_('finished migrating %d changelog revisions; change in size: ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
568 '%s\n') % (crevcount, util.bytecount(cdstsize - csrcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
569 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
570 ui.write(_('finished migrating %d total revisions; total change in store ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
571 'size: %s\n') % (revcount, util.bytecount(dstsize - srcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
572 |
31873
d6c2005484b6
upgrade: drop the prefix to the '_filterstorefile' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31872
diff
changeset
|
573 def _filterstorefile(srcrepo, dstrepo, requirements, path, mode, st): |
30780
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
574 """Determine whether to copy a store file during upgrade. |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
575 |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
576 This function is called when migrating store files from ``srcrepo`` to |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
577 ``dstrepo`` as part of upgrading a repository. |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
578 |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
579 Args: |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
580 srcrepo: repo we are copying from |
2603d04889e1
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581 dstrepo: repo we are copying to |
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582 requirements: set of requirements for ``dstrepo`` |
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583 path: store file being examined |
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584 mode: the ``ST_MODE`` file type of ``path`` |
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585 st: ``stat`` data structure for ``path`` |
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586 |
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587 Function should return ``True`` if the file is to be copied. |
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588 """ |
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589 # Skip revlogs. |
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590 if path.endswith(('.i', '.d')): |
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591 return False |
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592 # Skip transaction related files. |
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593 if path.startswith('undo'): |
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594 return False |
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595 # Only copy regular files. |
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596 if mode != stat.S_IFREG: |
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597 return False |
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598 # Skip other skipped files. |
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599 if path in ('lock', 'fncache'): |
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600 return False |
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|
601 |
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602 return True |
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603 |
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604 def _finishdatamigration(ui, srcrepo, dstrepo, requirements): |
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605 """Hook point for extensions to perform additional actions during upgrade. |
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606 |
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607 This function is called after revlogs and store files have been copied but |
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608 before the new store is swapped into the original location. |
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609 """ |
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610 |
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611 def _upgraderepo(ui, srcrepo, dstrepo, requirements, actions): |
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612 """Do the low-level work of upgrading a repository. |
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613 |
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614 The upgrade is effectively performed as a copy between a source |
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615 repository and a temporary destination repository. |
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616 |
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617 The source repository is unmodified for as long as possible so the |
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618 upgrade can abort at any time without causing loss of service for |
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619 readers and without corrupting the source repository. |
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620 """ |
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621 assert srcrepo.currentwlock() |
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622 assert dstrepo.currentwlock() |
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623 |
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624 ui.write(_('(it is safe to interrupt this process any time before ' |
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625 'data migration completes)\n')) |
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626 |
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627 if 'redeltaall' in actions: |
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628 deltareuse = revlog.revlog.DELTAREUSENEVER |
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629 elif 'redeltaparent' in actions: |
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630 deltareuse = revlog.revlog.DELTAREUSESAMEREVS |
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631 elif 'redeltamultibase' in actions: |
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632 deltareuse = revlog.revlog.DELTAREUSESAMEREVS |
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633 elif 'redeltafulladd' in actions: |
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634 deltareuse = revlog.revlog.DELTAREUSEFULLADD |
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635 else: |
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636 deltareuse = revlog.revlog.DELTAREUSEALWAYS |
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637 |
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638 with dstrepo.transaction('upgrade') as tr: |
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639 _copyrevlogs(ui, srcrepo, dstrepo, tr, deltareuse, |
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640 'redeltamultibase' in actions) |
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641 |
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642 # Now copy other files in the store directory. |
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643 # The sorted() makes execution deterministic. |
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644 for p, kind, st in sorted(srcrepo.store.vfs.readdir('', stat=True)): |
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645 if not _filterstorefile(srcrepo, dstrepo, requirements, |
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646 p, kind, st): |
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647 continue |
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648 |
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649 srcrepo.ui.write(_('copying %s\n') % p) |
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650 src = srcrepo.store.rawvfs.join(p) |
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651 dst = dstrepo.store.rawvfs.join(p) |
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652 util.copyfile(src, dst, copystat=True) |
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653 |
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654 _finishdatamigration(ui, srcrepo, dstrepo, requirements) |
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655 |
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656 ui.write(_('data fully migrated to temporary repository\n')) |
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657 |
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658 backuppath = tempfile.mkdtemp(prefix='upgradebackup.', dir=srcrepo.path) |
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659 backupvfs = vfsmod.vfs(backuppath) |
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660 |
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661 # Make a backup of requires file first, as it is the first to be modified. |
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662 util.copyfile(srcrepo.vfs.join('requires'), backupvfs.join('requires')) |
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663 |
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664 # We install an arbitrary requirement that clients must not support |
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665 # as a mechanism to lock out new clients during the data swap. This is |
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666 # better than allowing a client to continue while the repository is in |
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667 # an inconsistent state. |
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668 ui.write(_('marking source repository as being upgraded; clients will be ' |
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669 'unable to read from repository\n')) |
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670 scmutil.writerequires(srcrepo.vfs, |
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671 srcrepo.requirements | {'upgradeinprogress'}) |
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672 |
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673 ui.write(_('starting in-place swap of repository data\n')) |
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674 ui.write(_('replaced files will be backed up at %s\n') % |
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675 backuppath) |
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676 |
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677 # Now swap in the new store directory. Doing it as a rename should make |
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678 # the operation nearly instantaneous and atomic (at least in well-behaved |
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679 # environments). |
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680 ui.write(_('replacing store...\n')) |
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681 tstart = util.timer() |
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682 util.rename(srcrepo.spath, backupvfs.join('store')) |
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683 util.rename(dstrepo.spath, srcrepo.spath) |
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684 elapsed = util.timer() - tstart |
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685 ui.write(_('store replacement complete; repository was inconsistent for ' |
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686 '%0.1fs\n') % elapsed) |
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687 |
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688 # We first write the requirements file. Any new requirements will lock |
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689 # out legacy clients. |
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690 ui.write(_('finalizing requirements file and making repository readable ' |
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691 'again\n')) |
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692 scmutil.writerequires(srcrepo.vfs, requirements) |
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693 |
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694 # The lock file from the old store won't be removed because nothing has a |
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695 # reference to its new location. So clean it up manually. Alternatively, we |
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696 # could update srcrepo.svfs and other variables to point to the new |
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697 # location. This is simpler. |
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698 backupvfs.unlink('store/lock') |
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|
699 |
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700 return backuppath |
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|
701 |
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702 def upgraderepo(ui, repo, run=False, optimize=None): |
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parents:
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703 """Upgrade a repository in place.""" |
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704 optimize = set(optimize or []) |
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705 repo = repo.unfiltered() |
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|
706 |
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parents:
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707 # Ensure the repository can be upgraded. |
31865
5dcaa0f4455b
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diff
changeset
|
708 missingreqs = requiredsourcerequirements(repo) - repo.requirements |
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diff
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709 if missingreqs: |
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710 raise error.Abort(_('cannot upgrade repository; requirement ' |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
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711 'missing: %s') % _(', ').join(sorted(missingreqs))) |
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diff
changeset
|
712 |
31866
1454726b6d7c
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parents:
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diff
changeset
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713 blockedreqs = blocksourcerequirements(repo) & repo.requirements |
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diff
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714 if blockedreqs: |
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parents:
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715 raise error.Abort(_('cannot upgrade repository; unsupported source ' |
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716 'requirement: %s') % |
513d68a90398
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|
717 _(', ').join(sorted(blockedreqs))) |
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parents:
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diff
changeset
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718 |
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parents:
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diff
changeset
|
719 # FUTURE there is potentially a need to control the wanted requirements via |
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parents:
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diff
changeset
|
720 # command arguments or via an extension hook point. |
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parents:
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diff
changeset
|
721 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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|
722 newreqs.update(preservedrequirements(repo)) |
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diff
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|
723 |
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parents:
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diff
changeset
|
724 noremovereqs = (repo.requirements - newreqs - |
31867
cc60b6c36637
upgrade: drop the prefix to the 'supportremovedrequirements' function
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parents:
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diff
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|
725 supportremovedrequirements(repo)) |
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parents:
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|
726 if noremovereqs: |
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parents:
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diff
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|
727 raise error.Abort(_('cannot upgrade repository; requirement would be ' |
513d68a90398
repair: implement requirements checking for upgrades
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parents:
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diff
changeset
|
728 'removed: %s') % _(', ').join(sorted(noremovereqs))) |
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parents:
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changeset
|
729 |
513d68a90398
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parents:
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diff
changeset
|
730 noaddreqs = (newreqs - repo.requirements - |
31869
fe5e30b58934
upgrade: drop the prefix to the 'allowednewrequirements' function
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parents:
31868
diff
changeset
|
731 allowednewrequirements(repo)) |
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diff
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|
732 if noaddreqs: |
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|
733 raise error.Abort(_('cannot upgrade repository; do not support adding ' |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
734 'requirement: %s') % |
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parents:
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735 _(', ').join(sorted(noaddreqs))) |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
736 |
31870
49011f1cedd4
upgrade: drop the prefix to the 'supporteddestrequirements' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31869
diff
changeset
|
737 unsupportedreqs = newreqs - supporteddestrequirements(repo) |
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diff
changeset
|
738 if unsupportedreqs: |
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parents:
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diff
changeset
|
739 raise error.Abort(_('cannot upgrade repository; do not support ' |
513d68a90398
repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
740 'destination requirement: %s') % |
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parents:
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|
741 _(', ').join(sorted(unsupportedreqs))) |
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diff
changeset
|
742 |
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diff
changeset
|
743 # Find and validate all improvements that can be made. |
31899
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31898
diff
changeset
|
744 alloptimizations = findoptimizations(repo) |
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diff
changeset
|
745 |
31899
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diff
changeset
|
746 # Apply and Validate arguments. |
cccd8e1538b0
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diff
changeset
|
747 optimizations = [] |
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parents:
31898
diff
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|
748 for o in alloptimizations: |
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diff
changeset
|
749 if o.name in optimize: |
cccd8e1538b0
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parents:
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diff
changeset
|
750 optimizations.append(o) |
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parents:
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diff
changeset
|
751 optimize.discard(o.name) |
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diff
changeset
|
752 |
cccd8e1538b0
upgrade: filter optimizations outside of 'determineactions'
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diff
changeset
|
753 if optimize: # anything left is unknown |
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diff
changeset
|
754 raise error.Abort(_('unknown optimization action requested: %s') % |
31899
cccd8e1538b0
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
755 ', '.join(sorted(optimize)), |
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changeset
|
756 hint=_('run without arguments to see valid ' |
3997edc4a86d
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diff
changeset
|
757 'optimizations')) |
3997edc4a86d
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
30775
diff
changeset
|
758 |
31897
d0067250542d
upgrade: simplify optimisations validation
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parents:
31896
diff
changeset
|
759 deficiencies = finddeficiencies(repo) |
31899
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parents:
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diff
changeset
|
760 actions = determineactions(repo, deficiencies, repo.requirements, newreqs) |
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parents:
31902
diff
changeset
|
761 actions.extend(o for o in sorted(optimizations) |
31899
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diff
changeset
|
762 # determineactions could have added optimisation |
31903
fa1088de2119
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diff
changeset
|
763 if o not in actions) |
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diff
changeset
|
764 |
30775
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diff
changeset
|
765 def printrequirements(): |
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diff
changeset
|
766 ui.write(_('requirements\n')) |
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parents:
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diff
changeset
|
767 ui.write(_(' preserved: %s\n') % |
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parents:
30707
diff
changeset
|
768 _(', ').join(sorted(newreqs & repo.requirements))) |
513d68a90398
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diff
changeset
|
769 |
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parents:
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diff
changeset
|
770 if repo.requirements - newreqs: |
513d68a90398
repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
771 ui.write(_(' removed: %s\n') % |
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parents:
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diff
changeset
|
772 _(', ').join(sorted(repo.requirements - newreqs))) |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
30707
diff
changeset
|
773 |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
774 if newreqs - repo.requirements: |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
775 ui.write(_(' added: %s\n') % |
513d68a90398
repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
776 _(', ').join(sorted(newreqs - repo.requirements))) |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
777 |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
778 ui.write('\n') |
513d68a90398
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parents:
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diff
changeset
|
779 |
30776
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diff
changeset
|
780 def printupgradeactions(): |
31903
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parents:
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diff
changeset
|
781 for a in actions: |
fa1088de2119
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diff
changeset
|
782 ui.write('%s\n %s\n\n' % (a.name, a.upgrademessage)) |
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diff
changeset
|
783 |
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parents:
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diff
changeset
|
784 if not run: |
30776
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diff
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|
785 fromconfig = [] |
31904
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parents:
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diff
changeset
|
786 onlydefault = [] |
30776
3997edc4a86d
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
787 |
31901
9bdedb050d8d
upgrade: simplify some of the initial dispatch for dry run
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31900
diff
changeset
|
788 for d in deficiencies: |
32031
11a2461fc9b1
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parents:
32030
diff
changeset
|
789 if d.fromconfig(repo): |
31901
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diff
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|
790 fromconfig.append(d) |
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diff
changeset
|
791 elif d.default: |
31904
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parents:
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diff
changeset
|
792 onlydefault.append(d) |
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|
793 |
31904
3c77f03f16b3
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31903
diff
changeset
|
794 if fromconfig or onlydefault: |
30776
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changeset
|
795 |
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diff
changeset
|
796 if fromconfig: |
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parents:
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diff
changeset
|
797 ui.write(_('repository lacks features recommended by ' |
3997edc4a86d
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diff
changeset
|
798 'current config options:\n\n')) |
3997edc4a86d
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diff
changeset
|
799 for i in fromconfig: |
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changeset
|
800 ui.write('%s\n %s\n\n' % (i.name, i.description)) |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
801 |
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parents:
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diff
changeset
|
802 if onlydefault: |
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parents:
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diff
changeset
|
803 ui.write(_('repository lacks features used by the default ' |
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diff
changeset
|
804 'config options:\n\n')) |
3997edc4a86d
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parents:
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diff
changeset
|
805 for i in onlydefault: |
3997edc4a86d
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
30775
diff
changeset
|
806 ui.write('%s\n %s\n\n' % (i.name, i.description)) |
3997edc4a86d
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
807 |
3997edc4a86d
repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
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30775
diff
changeset
|
808 ui.write('\n') |
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809 else: |
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810 ui.write(_('(no feature deficiencies found in existing ' |
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811 'repository)\n')) |
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812 |
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813 ui.write(_('performing an upgrade with "--run" will make the following ' |
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814 'changes:\n\n')) |
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815 |
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816 printrequirements() |
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817 printupgradeactions() |
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818 |
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819 unusedoptimize = [i for i in alloptimizations if i not in actions] |
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820 |
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821 if unusedoptimize: |
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822 ui.write(_('additional optimizations are available by specifying ' |
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823 '"--optimize <name>":\n\n')) |
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824 for i in unusedoptimize: |
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825 ui.write(_('%s\n %s\n\n') % (i.name, i.description)) |
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826 return |
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827 |
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828 # Else we're in the run=true case. |
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829 ui.write(_('upgrade will perform the following actions:\n\n')) |
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830 printrequirements() |
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831 printupgradeactions() |
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832 |
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833 upgradeactions = [a.name for a in actions] |
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834 |
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835 ui.write(_('beginning upgrade...\n')) |
33438 | 836 with repo.wlock(), repo.lock(): |
837 ui.write(_('repository locked and read-only\n')) | |
838 # Our strategy for upgrading the repository is to create a new, | |
839 # temporary repository, write data to it, then do a swap of the | |
840 # data. There are less heavyweight ways to do this, but it is easier | |
841 # to create a new repo object than to instantiate all the components | |
842 # (like the store) separately. | |
843 tmppath = tempfile.mkdtemp(prefix='upgrade.', dir=repo.path) | |
844 backuppath = None | |
845 try: | |
846 ui.write(_('creating temporary repository to stage migrated ' | |
847 'data: %s\n') % tmppath) | |
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848 |
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849 # clone ui without using ui.copy because repo.ui is protected |
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850 repoui = repo.ui.__class__(repo.ui) |
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851 dstrepo = hg.repository(repoui, path=tmppath, create=True) |
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852 |
33438 | 853 with dstrepo.wlock(), dstrepo.lock(): |
854 backuppath = _upgraderepo(ui, repo, dstrepo, newreqs, | |
855 upgradeactions) | |
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856 |
33438 | 857 finally: |
858 ui.write(_('removing temporary repository %s\n') % tmppath) | |
859 repo.vfs.rmtree(tmppath, forcibly=True) | |
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860 |
33438 | 861 if backuppath: |
862 ui.warn(_('copy of old repository backed up at %s\n') % | |
863 backuppath) | |
864 ui.warn(_('the old repository will not be deleted; remove ' | |
865 'it to free up disk space once the upgraded ' | |
866 'repository is verified\n')) |