Mercurial > hg
annotate mercurial/upgrade_utils/actions.py @ 51284:58d39c7865e5
usage: configure uncompressed chunk cache through resource configuration
Let's use this new concept for what it is meant for.
This provides a sizable speed up for reading multiple revision for some complexe
repositories.
### data-env-vars.name = pypy-2018-08-01-zstd-sparse-revlog
# benchmark.name = hg.perf.read-revisions
# benchmark.variants.order = reverse
memory-medium: 1.892400
memory-high: 1.722934 (-8.61%)
# benchmark.variants.order = default
memory-medium: 1.751542
memory-high: 1.589340 (-9.49%)
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 08 Nov 2023 01:58:16 +0100 |
parents | ddf2b33ee388 |
children | 9d3721552b6c |
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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 |
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7 |
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8 import random |
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9 |
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10 from ..i18n import _ |
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11 from .. import ( |
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12 error, |
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13 localrepo, |
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14 pycompat, |
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15 requirements, |
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16 revlog, |
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17 util, |
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18 ) |
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19 |
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20 from ..utils import compression |
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21 |
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22 if pycompat.TYPE_CHECKING: |
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23 from typing import ( |
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24 List, |
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25 Type, |
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26 ) |
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27 |
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28 |
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29 # list of requirements that request a clone of all revlog if added/removed |
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30 RECLONES_REQUIREMENTS = { |
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31 requirements.GENERALDELTA_REQUIREMENT, |
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32 requirements.SPARSEREVLOG_REQUIREMENT, |
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33 requirements.REVLOGV2_REQUIREMENT, |
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34 requirements.CHANGELOGV2_REQUIREMENT, |
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35 } |
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36 |
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37 |
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38 def preservedrequirements(repo): |
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39 preserved = { |
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40 requirements.SHARED_REQUIREMENT, |
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41 requirements.NARROW_REQUIREMENT, |
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42 } |
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43 return preserved & repo.requirements |
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44 |
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45 |
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46 FORMAT_VARIANT = b'deficiency' |
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47 OPTIMISATION = b'optimization' |
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48 |
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49 |
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50 class improvement: |
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51 """Represents an improvement that can be made as part of an upgrade.""" |
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52 |
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53 ### The following attributes should be defined for each subclass: |
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54 |
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55 # Either ``FORMAT_VARIANT`` or ``OPTIMISATION``. |
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56 # A format variant is where we change the storage format. Not all format |
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57 # variant changes are an obvious problem. |
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58 # An optimization is an action (sometimes optional) that |
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59 # can be taken to further improve the state of the repository. |
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60 type = None |
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61 |
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62 # machine-readable string uniquely identifying this improvement. it will be |
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63 # mapped to an action later in the upgrade process. |
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64 name = None |
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65 |
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66 # message intended for humans explaining the improvement in more detail, |
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67 # including the implications of it ``FORMAT_VARIANT`` types, should be |
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68 # worded |
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69 # in the present tense. |
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70 description = None |
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71 |
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72 # message intended for humans explaining what an upgrade addressing this |
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73 # issue will do. should be worded in the future tense. |
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74 upgrademessage = None |
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75 |
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76 # value of current Mercurial default for new repository |
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77 default = None |
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78 |
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79 # Message intended for humans which will be shown post an upgrade |
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80 # operation when the improvement will be added |
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81 postupgrademessage = None |
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82 |
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83 # Message intended for humans which will be shown post an upgrade |
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84 # operation in which this improvement was removed |
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85 postdowngrademessage = None |
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86 |
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87 # By default we assume that every improvement touches requirements and all revlogs |
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88 |
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89 # Whether this improvement touches filelogs |
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90 touches_filelogs = True |
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91 |
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92 # Whether this improvement touches manifests |
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93 touches_manifests = True |
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94 |
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95 # Whether this improvement touches changelog |
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96 touches_changelog = True |
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97 |
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98 # Whether this improvement changes repository requirements |
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99 touches_requirements = True |
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100 |
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101 # Whether this improvement touches the dirstate |
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102 touches_dirstate = False |
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103 |
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104 # Can this action be run on a share instead of its mains repository |
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105 compatible_with_share = False |
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106 |
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107 |
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108 allformatvariant = [] # type: List[Type['formatvariant']] |
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109 |
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110 |
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111 def registerformatvariant(cls): |
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112 allformatvariant.append(cls) |
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113 return cls |
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114 |
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115 |
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116 class formatvariant(improvement): |
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117 """an improvement subclass dedicated to repository format""" |
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118 |
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119 type = FORMAT_VARIANT |
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120 |
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121 @staticmethod |
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122 def fromrepo(repo): |
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123 """current value of the variant in the repository""" |
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124 raise NotImplementedError() |
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125 |
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126 @staticmethod |
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127 def fromconfig(repo): |
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128 """current value of the variant in the configuration""" |
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129 raise NotImplementedError() |
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130 |
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131 |
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132 class requirementformatvariant(formatvariant): |
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133 """formatvariant based on a 'requirement' name. |
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134 |
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135 Many format variant are controlled by a 'requirement'. We define a small |
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136 subclass to factor the code. |
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137 """ |
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138 |
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139 # the requirement that control this format variant |
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140 _requirement = None |
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141 |
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142 @staticmethod |
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143 def _newreporequirements(ui): |
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144 return localrepo.newreporequirements( |
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145 ui, localrepo.defaultcreateopts(ui) |
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146 ) |
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147 |
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148 @classmethod |
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149 def fromrepo(cls, repo): |
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150 assert cls._requirement is not None |
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151 return cls._requirement in repo.requirements |
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152 |
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153 @classmethod |
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154 def fromconfig(cls, repo): |
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155 assert cls._requirement is not None |
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156 return cls._requirement in cls._newreporequirements(repo.ui) |
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157 |
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158 |
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159 @registerformatvariant |
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160 class fncache(requirementformatvariant): |
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161 name = b'fncache' |
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162 |
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163 _requirement = requirements.FNCACHE_REQUIREMENT |
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164 |
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165 default = True |
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166 |
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167 description = _( |
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168 b'long and reserved filenames may not work correctly; ' |
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169 b'repository performance is sub-optimal' |
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170 ) |
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171 |
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172 upgrademessage = _( |
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173 b'repository will be more resilient to storing ' |
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174 b'certain paths and performance of certain ' |
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175 b'operations should be improved' |
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176 ) |
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177 |
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178 |
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179 @registerformatvariant |
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180 class dirstatev2(requirementformatvariant): |
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181 name = b'dirstate-v2' |
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182 _requirement = requirements.DIRSTATE_V2_REQUIREMENT |
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183 |
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184 default = False |
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185 |
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186 description = _( |
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187 b'version 1 of the dirstate file format requires ' |
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188 b'reading and parsing it all at once.\n' |
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189 b'Version 2 has a better structure,' |
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190 b'better information and lighter update mechanism' |
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191 ) |
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192 |
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193 upgrademessage = _(b'"hg status" will be faster') |
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194 |
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195 touches_filelogs = False |
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196 touches_manifests = False |
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197 touches_changelog = False |
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198 touches_requirements = True |
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199 touches_dirstate = True |
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200 compatible_with_share = True |
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201 |
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202 |
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203 @registerformatvariant |
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204 class dirstatetrackedkey(requirementformatvariant): |
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205 name = b'tracked-hint' |
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206 _requirement = requirements.DIRSTATE_TRACKED_HINT_V1 |
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207 |
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208 default = False |
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209 |
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210 description = _( |
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211 b'Add a small file to help external tooling that watch the tracked set' |
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212 ) |
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213 |
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214 upgrademessage = _( |
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215 b'external tools will be informated of potential change in the tracked set' |
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216 ) |
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217 |
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218 touches_filelogs = False |
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219 touches_manifests = False |
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220 touches_changelog = False |
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221 touches_requirements = True |
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222 touches_dirstate = True |
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223 compatible_with_share = True |
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224 |
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225 |
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226 @registerformatvariant |
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227 class dotencode(requirementformatvariant): |
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228 name = b'dotencode' |
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229 |
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230 _requirement = requirements.DOTENCODE_REQUIREMENT |
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231 |
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232 default = True |
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233 |
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234 description = _( |
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235 b'storage of filenames beginning with a period or ' |
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236 b'space may not work correctly' |
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237 ) |
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238 |
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239 upgrademessage = _( |
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240 b'repository will be better able to store files ' |
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241 b'beginning with a space or period' |
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242 ) |
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243 |
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244 |
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245 @registerformatvariant |
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246 class generaldelta(requirementformatvariant): |
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247 name = b'generaldelta' |
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248 |
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249 _requirement = requirements.GENERALDELTA_REQUIREMENT |
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250 |
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251 default = True |
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252 |
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253 description = _( |
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254 b'deltas within internal storage are unable to ' |
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255 b'choose optimal revisions; repository is larger and ' |
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256 b'slower than it could be; interaction with other ' |
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257 b'repositories may require extra network and CPU ' |
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258 b'resources, making "hg push" and "hg pull" slower' |
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259 ) |
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260 |
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261 upgrademessage = _( |
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262 b'repository storage will be able to create ' |
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263 b'optimal deltas; new repository data will be ' |
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264 b'smaller and read times should decrease; ' |
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265 b'interacting with other repositories using this ' |
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266 b'storage model should require less network and ' |
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267 b'CPU resources, making "hg push" and "hg pull" ' |
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268 b'faster' |
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269 ) |
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270 |
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271 |
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272 @registerformatvariant |
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273 class sharesafe(requirementformatvariant): |
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274 name = b'share-safe' |
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275 _requirement = requirements.SHARESAFE_REQUIREMENT |
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276 |
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277 default = True |
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278 |
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279 description = _( |
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280 b'old shared repositories do not share source repository ' |
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281 b'requirements and config. This leads to various problems ' |
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282 b'when the source repository format is upgraded or some new ' |
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283 b'extensions are enabled.' |
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284 ) |
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285 |
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286 upgrademessage = _( |
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287 b'Upgrades a repository to share-safe format so that future ' |
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288 b'shares of this repository share its requirements and configs.' |
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289 ) |
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290 |
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291 postdowngrademessage = _( |
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292 b'repository downgraded to not use share safe mode, ' |
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293 b'existing shares will not work and need to be reshared.' |
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294 ) |
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295 |
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296 postupgrademessage = _( |
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297 b'repository upgraded to share safe mode, existing' |
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298 b' shares will still work in old non-safe mode. ' |
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299 b'Re-share existing shares to use them in safe mode' |
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300 b' New shares will be created in safe mode.' |
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301 ) |
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302 |
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303 # upgrade only needs to change the requirements |
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304 touches_filelogs = False |
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305 touches_manifests = False |
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306 touches_changelog = False |
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307 touches_requirements = True |
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308 |
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309 |
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310 @registerformatvariant |
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311 class sparserevlog(requirementformatvariant): |
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312 name = b'sparserevlog' |
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313 |
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314 _requirement = requirements.SPARSEREVLOG_REQUIREMENT |
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315 |
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316 default = True |
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317 |
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318 description = _( |
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319 b'in order to limit disk reading and memory usage on older ' |
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320 b'version, the span of a delta chain from its root to its ' |
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321 b'end is limited, whatever the relevant data in this span. ' |
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322 b'This can severly limit Mercurial ability to build good ' |
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323 b'chain of delta resulting is much more storage space being ' |
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324 b'taken and limit reusability of on disk delta during ' |
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325 b'exchange.' |
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326 ) |
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327 |
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328 upgrademessage = _( |
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329 b'Revlog supports delta chain with more unused data ' |
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330 b'between payload. These gaps will be skipped at read ' |
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331 b'time. This allows for better delta chains, making a ' |
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332 b'better compression and faster exchange with server.' |
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333 ) |
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334 |
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335 |
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336 @registerformatvariant |
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337 class persistentnodemap(requirementformatvariant): |
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338 name = b'persistent-nodemap' |
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339 |
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340 _requirement = requirements.NODEMAP_REQUIREMENT |
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341 |
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342 default = False |
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343 |
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344 description = _( |
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345 b'persist the node -> rev mapping on disk to speedup lookup' |
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346 ) |
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347 |
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348 upgrademessage = _(b'Speedup revision lookup by node id.') |
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349 |
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350 |
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351 @registerformatvariant |
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352 class copiessdc(requirementformatvariant): |
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353 name = b'copies-sdc' |
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354 |
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355 _requirement = requirements.COPIESSDC_REQUIREMENT |
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356 |
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357 default = False |
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358 |
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359 description = _(b'Stores copies information alongside changesets.') |
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360 |
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361 upgrademessage = _( |
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362 b'Allows to use more efficient algorithm to deal with copy tracing.' |
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363 ) |
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364 |
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365 touches_filelogs = False |
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366 touches_manifests = False |
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367 |
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368 |
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369 @registerformatvariant |
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370 class revlogv2(requirementformatvariant): |
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371 name = b'revlog-v2' |
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372 _requirement = requirements.REVLOGV2_REQUIREMENT |
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373 default = False |
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374 description = _(b'Version 2 of the revlog.') |
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375 upgrademessage = _(b'very experimental') |
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376 |
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377 |
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378 @registerformatvariant |
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379 class changelogv2(requirementformatvariant): |
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380 name = b'changelog-v2' |
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381 _requirement = requirements.CHANGELOGV2_REQUIREMENT |
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382 default = False |
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383 description = _(b'An iteration of the revlog focussed on changelog needs.') |
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384 upgrademessage = _(b'quite experimental') |
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385 |
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386 touches_filelogs = False |
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387 touches_manifests = False |
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388 |
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389 |
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390 @registerformatvariant |
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391 class removecldeltachain(formatvariant): |
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392 name = b'plain-cl-delta' |
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393 |
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394 default = True |
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395 |
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396 description = _( |
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397 b'changelog storage is using deltas instead of ' |
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398 b'raw entries; changelog reading and any ' |
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399 b'operation relying on changelog data are slower ' |
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400 b'than they could be' |
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401 ) |
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402 |
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403 upgrademessage = _( |
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404 b'changelog storage will be reformated to ' |
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405 b'store raw entries; changelog reading will be ' |
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406 b'faster; changelog size may be reduced' |
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407 ) |
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408 |
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409 @staticmethod |
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410 def fromrepo(repo): |
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411 # Mercurial 4.0 changed changelogs to not use delta chains. Search for |
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412 # changelogs with deltas. |
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413 cl = repo.unfiltered().changelog |
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414 if len(cl) <= 1000: |
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415 some_rev = list(cl) |
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416 else: |
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417 # do a random sampling to speeds things up Scanning the whole |
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418 # repository can get really slow on bigger repo. |
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419 some_rev = sorted( |
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420 {random.randint(0, len(cl) - 1) for x in range(1000)} |
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421 ) |
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422 chainbase = cl.chainbase |
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423 return all(rev == chainbase(rev) for rev in some_rev) |
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424 |
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425 @staticmethod |
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426 def fromconfig(repo): |
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427 return True |
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428 |
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429 |
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430 _has_zstd = ( |
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431 b'zstd' in util.compengines |
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432 and util.compengines[b'zstd'].available() |
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433 and util.compengines[b'zstd'].revlogheader() |
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434 ) |
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435 |
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436 |
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437 @registerformatvariant |
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438 class compressionengine(formatvariant): |
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439 name = b'compression' |
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440 |
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441 if _has_zstd: |
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442 default = b'zstd' |
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443 else: |
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444 default = b'zlib' |
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445 |
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446 description = _( |
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447 b'Compresion algorithm used to compress data. ' |
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448 b'Some engine are faster than other' |
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449 ) |
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450 |
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451 upgrademessage = _( |
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452 b'revlog content will be recompressed with the new algorithm.' |
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453 ) |
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454 |
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455 @classmethod |
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456 def fromrepo(cls, repo): |
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457 # we allow multiple compression engine requirement to co-exist because |
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458 # strickly speaking, revlog seems to support mixed compression style. |
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459 # |
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460 # The compression used for new entries will be "the last one" |
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461 compression = b'zlib' |
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462 for req in repo.requirements: |
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463 prefix = req.startswith |
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464 if prefix(b'revlog-compression-') or prefix(b'exp-compression-'): |
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465 compression = req.split(b'-', 2)[2] |
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466 return compression |
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467 |
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468 @classmethod |
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469 def fromconfig(cls, repo): |
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470 compengines = repo.ui.configlist(b'format', b'revlog-compression') |
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471 # return the first valid value as the selection code would do |
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472 for comp in compengines: |
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473 if comp in util.compengines: |
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474 e = util.compengines[comp] |
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475 if e.available() and e.revlogheader(): |
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476 return comp |
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|
477 |
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478 # no valide compression found lets display it all for clarity |
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479 return b','.join(compengines) |
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480 |
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481 |
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482 @registerformatvariant |
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483 class compressionlevel(formatvariant): |
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484 name = b'compression-level' |
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485 default = b'default' |
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486 |
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487 description = _(b'compression level') |
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488 |
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489 upgrademessage = _(b'revlog content will be recompressed') |
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490 |
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491 @classmethod |
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492 def fromrepo(cls, repo): |
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493 comp = compressionengine.fromrepo(repo) |
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494 level = None |
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495 if comp == b'zlib': |
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496 level = repo.ui.configint(b'storage', b'revlog.zlib.level') |
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497 elif comp == b'zstd': |
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498 level = repo.ui.configint(b'storage', b'revlog.zstd.level') |
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499 if level is None: |
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500 return b'default' |
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501 return bytes(level) |
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|
502 |
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503 @classmethod |
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504 def fromconfig(cls, repo): |
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505 comp = compressionengine.fromconfig(repo) |
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506 level = None |
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507 if comp == b'zlib': |
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508 level = repo.ui.configint(b'storage', b'revlog.zlib.level') |
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509 elif comp == b'zstd': |
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510 level = repo.ui.configint(b'storage', b'revlog.zstd.level') |
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511 if level is None: |
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512 return b'default' |
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513 return bytes(level) |
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|
514 |
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515 |
46205
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516 def find_format_upgrades(repo): |
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517 """returns a list of format upgrades which can be perform on the repo""" |
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|
518 upgrades = [] |
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519 |
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|
520 # We could detect lack of revlogv1 and store here, but they were added |
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|
521 # in 0.9.2 and we don't support upgrading repos without these |
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522 # requirements, so let's not bother. |
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|
523 |
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|
524 for fv in allformatvariant: |
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525 if not fv.fromrepo(repo): |
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526 upgrades.append(fv) |
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527 |
46205
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|
528 return upgrades |
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529 |
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|
530 |
46212
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|
531 def find_format_downgrades(repo): |
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|
532 """returns a list of format downgrades which will be performed on the repo |
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|
533 because of disabled config option for them""" |
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534 |
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|
535 downgrades = [] |
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|
536 |
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|
537 for fv in allformatvariant: |
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538 if fv.name == b'compression': |
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539 # If there is a compression change between repository |
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540 # and config, destination repository compression will change |
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541 # and current compression will be removed. |
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542 if fv.fromrepo(repo) != fv.fromconfig(repo): |
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543 downgrades.append(fv) |
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|
544 continue |
46212
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|
545 # format variant exist in repo but does not exist in new repository |
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|
546 # config |
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|
547 if fv.fromrepo(repo) and not fv.fromconfig(repo): |
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|
548 downgrades.append(fv) |
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549 |
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550 return downgrades |
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551 |
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552 |
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553 ALL_OPTIMISATIONS = [] |
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554 |
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555 |
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556 def register_optimization(obj): |
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557 ALL_OPTIMISATIONS.append(obj) |
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558 return obj |
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559 |
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560 |
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561 class optimization(improvement): |
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562 """an improvement subclass dedicated to optimizations""" |
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563 |
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564 type = OPTIMISATION |
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565 |
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566 |
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567 @register_optimization |
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568 class redeltaparents(optimization): |
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569 name = b're-delta-parent' |
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570 |
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571 type = OPTIMISATION |
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572 |
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573 description = _( |
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574 b'deltas within internal storage will be recalculated to ' |
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575 b'choose an optimal base revision where this was not ' |
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576 b'already done; the size of the repository may shrink and ' |
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577 b'various operations may become faster; the first time ' |
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578 b'this optimization is performed could slow down upgrade ' |
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579 b'execution considerably; subsequent invocations should ' |
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580 b'not run noticeably slower' |
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581 ) |
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582 |
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583 upgrademessage = _( |
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584 b'deltas within internal storage will choose a new ' |
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585 b'base revision if needed' |
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586 ) |
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587 |
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588 |
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589 @register_optimization |
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590 class redeltamultibase(optimization): |
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591 name = b're-delta-multibase' |
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592 |
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593 type = OPTIMISATION |
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594 |
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595 description = _( |
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596 b'deltas within internal storage will be recalculated ' |
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597 b'against multiple base revision and the smallest ' |
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598 b'difference will be used; the size of the repository may ' |
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599 b'shrink significantly when there are many merges; this ' |
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600 b'optimization will slow down execution in proportion to ' |
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601 b'the number of merges in the repository and the amount ' |
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602 b'of files in the repository; this slow down should not ' |
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603 b'be significant unless there are tens of thousands of ' |
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604 b'files and thousands of merges' |
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605 ) |
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606 |
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607 upgrademessage = _( |
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608 b'deltas within internal storage will choose an ' |
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609 b'optimal delta by computing deltas against multiple ' |
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610 b'parents; may slow down execution time ' |
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611 b'significantly' |
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612 ) |
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613 |
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614 |
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615 @register_optimization |
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616 class redeltaall(optimization): |
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617 name = b're-delta-all' |
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618 |
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619 type = OPTIMISATION |
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620 |
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621 description = _( |
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622 b'deltas within internal storage will always be ' |
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623 b'recalculated without reusing prior deltas; this will ' |
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624 b'likely make execution run several times slower; this ' |
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625 b'optimization is typically not needed' |
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626 ) |
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627 |
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628 upgrademessage = _( |
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629 b'deltas within internal storage will be fully ' |
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630 b'recomputed; this will likely drastically slow down ' |
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631 b'execution time' |
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632 ) |
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633 |
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634 |
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635 @register_optimization |
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636 class redeltafulladd(optimization): |
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637 name = b're-delta-fulladd' |
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638 |
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639 type = OPTIMISATION |
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640 |
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641 description = _( |
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642 b'every revision will be re-added as if it was new ' |
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643 b'content. It will go through the full storage ' |
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644 b'mechanism giving extensions a chance to process it ' |
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645 b'(eg. lfs). This is similar to "re-delta-all" but even ' |
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646 b'slower since more logic is involved.' |
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647 ) |
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648 |
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649 upgrademessage = _( |
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650 b'each revision will be added as new content to the ' |
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651 b'internal storage; this will likely drastically slow ' |
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652 b'down execution time, but some extensions might need ' |
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653 b'it' |
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654 ) |
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655 |
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656 |
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657 def findoptimizations(repo): |
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658 """Determine optimisation that could be used during upgrade""" |
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659 # These are unconditionally added. There is logic later that figures out |
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660 # which ones to apply. |
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661 return list(ALL_OPTIMISATIONS) |
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662 |
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663 |
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664 def determine_upgrade_actions( |
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665 repo, format_upgrades, optimizations, sourcereqs, destreqs |
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666 ): |
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667 """Determine upgrade actions that will be performed. |
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668 |
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669 Given a list of improvements as returned by ``find_format_upgrades`` and |
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670 ``findoptimizations``, determine the list of upgrade actions that |
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671 will be performed. |
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672 |
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673 The role of this function is to filter improvements if needed, apply |
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674 recommended optimizations from the improvements list that make sense, |
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675 etc. |
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676 |
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677 Returns a list of action names. |
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678 """ |
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679 newactions = [] |
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680 |
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681 for d in format_upgrades: |
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682 if hasattr(d, '_requirement'): |
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683 name = d._requirement |
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684 else: |
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685 name = None |
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686 |
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687 # If the action is a requirement that doesn't show up in the |
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688 # destination requirements, prune the action. |
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689 if name is not None and name not in destreqs: |
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690 continue |
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691 |
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692 newactions.append(d) |
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693 |
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694 newactions.extend( |
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695 o |
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696 for o in sorted(optimizations, key=(lambda x: x.name)) |
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697 if o not in newactions |
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698 ) |
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699 |
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700 # FUTURE consider adding some optimizations here for certain transitions. |
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701 # e.g. adding generaldelta could schedule parent redeltas. |
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702 |
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703 return newactions |
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704 |
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705 |
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706 class BaseOperation: |
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707 """base class that contains the minimum for an upgrade to work |
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708 |
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709 (this might need to be extended as the usage for subclass alternative to |
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710 UpgradeOperation extends) |
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711 """ |
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712 |
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713 def __init__( |
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714 self, |
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715 new_requirements, |
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716 backup_store, |
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717 ): |
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718 self.new_requirements = new_requirements |
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719 # should this operation create a backup of the store |
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720 self.backup_store = backup_store |
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721 |
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722 |
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723 class UpgradeOperation(BaseOperation): |
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724 """represent the work to be done during an upgrade""" |
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725 |
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726 def __init__( |
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727 self, |
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728 ui, |
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729 new_requirements, |
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730 current_requirements, |
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731 upgrade_actions, |
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732 removed_actions, |
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733 revlogs_to_process, |
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734 backup_store, |
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735 ): |
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736 super().__init__( |
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737 new_requirements, |
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738 backup_store, |
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739 ) |
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740 self.ui = ui |
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741 self.current_requirements = current_requirements |
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742 # list of upgrade actions the operation will perform |
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743 self.upgrade_actions = upgrade_actions |
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744 self.removed_actions = removed_actions |
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745 self.revlogs_to_process = revlogs_to_process |
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746 # requirements which will be added by the operation |
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747 self._added_requirements = ( |
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748 self.new_requirements - self.current_requirements |
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749 ) |
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750 # requirements which will be removed by the operation |
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751 self._removed_requirements = ( |
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752 self.current_requirements - self.new_requirements |
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753 ) |
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754 # requirements which will be preserved by the operation |
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755 self._preserved_requirements = ( |
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756 self.current_requirements & self.new_requirements |
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757 ) |
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758 # optimizations which are not used and it's recommended that they |
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759 # should use them |
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760 all_optimizations = findoptimizations(None) |
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761 self.unused_optimizations = [ |
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762 i for i in all_optimizations if i not in self.upgrade_actions |
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763 ] |
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764 |
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765 # delta reuse mode of this upgrade operation |
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766 upgrade_actions_names = self.upgrade_actions_names |
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767 self.delta_reuse_mode = revlog.revlog.DELTAREUSEALWAYS |
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768 if b're-delta-all' in upgrade_actions_names: |
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769 self.delta_reuse_mode = revlog.revlog.DELTAREUSENEVER |
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770 elif b're-delta-parent' in upgrade_actions_names: |
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parents:
46213
diff
changeset
|
771 self.delta_reuse_mode = revlog.revlog.DELTAREUSESAMEREVS |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
772 elif b're-delta-multibase' in upgrade_actions_names: |
46215
82f3ee1a505f
actions: store deltareuse mode of whole operation in UpgradeOperation
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46213
diff
changeset
|
773 self.delta_reuse_mode = revlog.revlog.DELTAREUSESAMEREVS |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
774 elif b're-delta-fulladd' in upgrade_actions_names: |
46215
82f3ee1a505f
actions: store deltareuse mode of whole operation in UpgradeOperation
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46213
diff
changeset
|
775 self.delta_reuse_mode = revlog.revlog.DELTAREUSEFULLADD |
82f3ee1a505f
actions: store deltareuse mode of whole operation in UpgradeOperation
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46213
diff
changeset
|
776 |
46218
3f92a9bb80f0
engine: prevent multiple checking of re-delta-multibase
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46215
diff
changeset
|
777 # should this operation force re-delta of both parents |
3f92a9bb80f0
engine: prevent multiple checking of re-delta-multibase
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46215
diff
changeset
|
778 self.force_re_delta_both_parents = ( |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
779 b're-delta-multibase' in upgrade_actions_names |
46218
3f92a9bb80f0
engine: prevent multiple checking of re-delta-multibase
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46215
diff
changeset
|
780 ) |
3f92a9bb80f0
engine: prevent multiple checking of re-delta-multibase
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46215
diff
changeset
|
781 |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
782 @property |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
783 def upgrade_actions_names(self): |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
784 return set([a.name for a in self.upgrade_actions]) |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
785 |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
786 @property |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
787 def requirements_only(self): |
46376
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
788 # does the operation only touches repository requirement |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
789 return ( |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
790 self.touches_requirements |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
791 and not self.touches_filelogs |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
792 and not self.touches_manifests |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
793 and not self.touches_changelog |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
794 and not self.touches_dirstate |
46376
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
795 ) |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
796 |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
797 @property |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
798 def touches_filelogs(self): |
46376
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
799 for a in self.upgrade_actions: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
800 # in optimisations, we re-process the revlogs again |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
801 if a.type == OPTIMISATION: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
802 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
803 elif a.touches_filelogs: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
804 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
805 for a in self.removed_actions: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
806 if a.touches_filelogs: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
807 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
808 return False |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
809 |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
810 @property |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
811 def touches_manifests(self): |
46376
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
812 for a in self.upgrade_actions: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
813 # in optimisations, we re-process the revlogs again |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
814 if a.type == OPTIMISATION: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
815 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
816 elif a.touches_manifests: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
817 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
818 for a in self.removed_actions: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
819 if a.touches_manifests: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
820 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
821 return False |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
822 |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
823 @property |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
824 def touches_changelog(self): |
46376
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
825 for a in self.upgrade_actions: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
826 # in optimisations, we re-process the revlogs again |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
827 if a.type == OPTIMISATION: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
828 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
829 elif a.touches_changelog: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
830 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
831 for a in self.removed_actions: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
832 if a.touches_changelog: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
833 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
834 return False |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
835 |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
836 @property |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
837 def touches_requirements(self): |
46376
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
838 for a in self.upgrade_actions: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
839 # optimisations are used to re-process revlogs and does not result |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
840 # in a requirement being added or removed |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
841 if a.type == OPTIMISATION: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
842 pass |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
843 elif a.touches_requirements: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
844 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
845 for a in self.removed_actions: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
846 if a.touches_requirements: |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
847 return True |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
848 |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
849 @property |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
850 def touches_dirstate(self): |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
851 for a in self.upgrade_actions: |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
852 # revlog optimisations do not affect the dirstate |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
853 if a.type == OPTIMISATION: |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
854 pass |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
855 elif a.touches_dirstate: |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
856 return True |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
857 for a in self.removed_actions: |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
858 if a.touches_dirstate: |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
859 return True |
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
860 |
46376
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
861 return False |
a83e1496d943
actions: calculate what all parts does the operation touches
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46375
diff
changeset
|
862 |
49576
d12446766a35
upgrade: byteify requirement changes written to output
Matt Harbison <matt_harbison@yahoo.com>
parents:
49377
diff
changeset
|
863 def _write_labeled(self, l, label: bytes): |
46190
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
864 """ |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
865 Utility function to aid writing of a list under one label |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
866 """ |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
867 first = True |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
868 for r in sorted(l): |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
869 if not first: |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
870 self.ui.write(b', ') |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
871 self.ui.write(r, label=label) |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
872 first = False |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
873 |
46191
aba979b1b90b
upgrade: move `printrequirements()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46190
diff
changeset
|
874 def print_requirements(self): |
aba979b1b90b
upgrade: move `printrequirements()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46190
diff
changeset
|
875 self.ui.write(_(b'requirements\n')) |
aba979b1b90b
upgrade: move `printrequirements()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46190
diff
changeset
|
876 self.ui.write(_(b' preserved: ')) |
aba979b1b90b
upgrade: move `printrequirements()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46190
diff
changeset
|
877 self._write_labeled( |
49576
d12446766a35
upgrade: byteify requirement changes written to output
Matt Harbison <matt_harbison@yahoo.com>
parents:
49377
diff
changeset
|
878 self._preserved_requirements, b"upgrade-repo.requirement.preserved" |
46191
aba979b1b90b
upgrade: move `printrequirements()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46190
diff
changeset
|
879 ) |
aba979b1b90b
upgrade: move `printrequirements()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46190
diff
changeset
|
880 self.ui.write((b'\n')) |
aba979b1b90b
upgrade: move `printrequirements()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46190
diff
changeset
|
881 if self._removed_requirements: |
aba979b1b90b
upgrade: move `printrequirements()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46190
diff
changeset
|
882 self.ui.write(_(b' removed: ')) |
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|
883 self._write_labeled( |
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Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
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|
884 self._removed_requirements, b"upgrade-repo.requirement.removed" |
46191
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upgrade: move `printrequirements()` to UpgradeOperation class
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|
885 ) |
aba979b1b90b
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|
886 self.ui.write((b'\n')) |
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parents:
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diff
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|
887 if self._added_requirements: |
aba979b1b90b
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Pulkit Goyal <7895pulkit@gmail.com>
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|
888 self.ui.write(_(b' added: ')) |
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upgrade: move `printrequirements()` to UpgradeOperation class
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|
889 self._write_labeled( |
49576
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diff
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|
890 self._added_requirements, b"upgrade-repo.requirement.added" |
46191
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|
891 ) |
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|
892 self.ui.write((b'\n')) |
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upgrade: move `printrequirements()` to UpgradeOperation class
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diff
changeset
|
893 self.ui.write(b'\n') |
aba979b1b90b
upgrade: move `printrequirements()` to UpgradeOperation class
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diff
changeset
|
894 |
46190
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upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46189
diff
changeset
|
895 def print_optimisations(self): |
46210
6b40aac4da8e
upgrade: rename actions to upgrade_actions
Pulkit Goyal <7895pulkit@gmail.com>
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46209
diff
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|
896 optimisations = [ |
6b40aac4da8e
upgrade: rename actions to upgrade_actions
Pulkit Goyal <7895pulkit@gmail.com>
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diff
changeset
|
897 a for a in self.upgrade_actions if a.type == OPTIMISATION |
6b40aac4da8e
upgrade: rename actions to upgrade_actions
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diff
changeset
|
898 ] |
46190
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Pulkit Goyal <7895pulkit@gmail.com>
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diff
changeset
|
899 optimisations.sort(key=lambda a: a.name) |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
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changeset
|
900 if optimisations: |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
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|
901 self.ui.write(_(b'optimisations: ')) |
9ab2ab5bf9af
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|
902 self._write_labeled( |
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parents:
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diff
changeset
|
903 [a.name for a in optimisations], |
49576
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Matt Harbison <matt_harbison@yahoo.com>
parents:
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changeset
|
904 b"upgrade-repo.optimisation.performed", |
46190
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Pulkit Goyal <7895pulkit@gmail.com>
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|
905 ) |
9ab2ab5bf9af
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changeset
|
906 self.ui.write(b'\n\n') |
9ab2ab5bf9af
upgrade: move `printoptimisations() to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
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diff
changeset
|
907 |
46189
dfddcbb0c244
upgrade: move `printupgradeactions()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46188
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changeset
|
908 def print_upgrade_actions(self): |
46210
6b40aac4da8e
upgrade: rename actions to upgrade_actions
Pulkit Goyal <7895pulkit@gmail.com>
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changeset
|
909 for a in self.upgrade_actions: |
46189
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Pulkit Goyal <7895pulkit@gmail.com>
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changeset
|
910 self.ui.status(b'%s\n %s\n\n' % (a.name, a.upgrademessage)) |
dfddcbb0c244
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diff
changeset
|
911 |
46188
945b33a7edfd
upgrade: move `print_affected_revlogs()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
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46056
diff
changeset
|
912 def print_affected_revlogs(self): |
945b33a7edfd
upgrade: move `print_affected_revlogs()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46056
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changeset
|
913 if not self.revlogs_to_process: |
945b33a7edfd
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parents:
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diff
changeset
|
914 self.ui.write((b'no revlogs to process\n')) |
945b33a7edfd
upgrade: move `print_affected_revlogs()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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diff
changeset
|
915 else: |
945b33a7edfd
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diff
changeset
|
916 self.ui.write((b'processed revlogs:\n')) |
945b33a7edfd
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parents:
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diff
changeset
|
917 for r in sorted(self.revlogs_to_process): |
945b33a7edfd
upgrade: move `print_affected_revlogs()` to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
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diff
changeset
|
918 self.ui.write((b' - %s\n' % r)) |
945b33a7edfd
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Pulkit Goyal <7895pulkit@gmail.com>
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diff
changeset
|
919 self.ui.write((b'\n')) |
945b33a7edfd
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Pulkit Goyal <7895pulkit@gmail.com>
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diff
changeset
|
920 |
46192
25d11b24dedf
upgrade: move printing of unused optimizations to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46191
diff
changeset
|
921 def print_unused_optimizations(self): |
25d11b24dedf
upgrade: move printing of unused optimizations to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46191
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changeset
|
922 for i in self.unused_optimizations: |
25d11b24dedf
upgrade: move printing of unused optimizations to UpgradeOperation class
Pulkit Goyal <7895pulkit@gmail.com>
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|
923 self.ui.status(_(b'%s\n %s\n\n') % (i.name, i.description)) |
25d11b24dedf
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parents:
46191
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changeset
|
924 |
46210
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upgrade: rename actions to upgrade_actions
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46209
diff
changeset
|
925 def has_upgrade_action(self, name): |
47062
f38bf44e077f
black: make codebase compatible with black v21.4b2 and v20.8b1
Kyle Lippincott <spectral@google.com>
parents:
47006
diff
changeset
|
926 """Check whether the upgrade operation will perform this action""" |
46210
6b40aac4da8e
upgrade: rename actions to upgrade_actions
Pulkit Goyal <7895pulkit@gmail.com>
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46209
diff
changeset
|
927 return name in self._upgrade_actions_names |
46189
dfddcbb0c244
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Pulkit Goyal <7895pulkit@gmail.com>
parents:
46188
diff
changeset
|
928 |
46213
30310886d423
upgrade: introduce post upgrade and downgrade message for improvements
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46212
diff
changeset
|
929 def print_post_op_messages(self): |
47062
f38bf44e077f
black: make codebase compatible with black v21.4b2 and v20.8b1
Kyle Lippincott <spectral@google.com>
parents:
47006
diff
changeset
|
930 """print post upgrade operation warning messages""" |
46213
30310886d423
upgrade: introduce post upgrade and downgrade message for improvements
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46212
diff
changeset
|
931 for a in self.upgrade_actions: |
30310886d423
upgrade: introduce post upgrade and downgrade message for improvements
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46212
diff
changeset
|
932 if a.postupgrademessage is not None: |
30310886d423
upgrade: introduce post upgrade and downgrade message for improvements
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46212
diff
changeset
|
933 self.ui.warn(b'%s\n' % a.postupgrademessage) |
30310886d423
upgrade: introduce post upgrade and downgrade message for improvements
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46212
diff
changeset
|
934 for a in self.removed_actions: |
30310886d423
upgrade: introduce post upgrade and downgrade message for improvements
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46212
diff
changeset
|
935 if a.postdowngrademessage is not None: |
30310886d423
upgrade: introduce post upgrade and downgrade message for improvements
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46212
diff
changeset
|
936 self.ui.warn(b'%s\n' % a.postdowngrademessage) |
30310886d423
upgrade: introduce post upgrade and downgrade message for improvements
Pulkit Goyal <7895pulkit@gmail.com>
parents:
46212
diff
changeset
|
937 |
46056
c407513a44a3
upgrade: start moving the "to be happening" data in a dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46052
diff
changeset
|
938 |
46049
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
939 ### Code checking if a repository can got through the upgrade process at all. # |
a2a59cde9b9f
upgrade: gather code about source checking together
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diff
changeset
|
940 |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
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diff
changeset
|
941 |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
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46048
diff
changeset
|
942 def requiredsourcerequirements(repo): |
a2a59cde9b9f
upgrade: gather code about source checking together
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parents:
46048
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changeset
|
943 """Obtain requirements required to be present to upgrade a repo. |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
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|
944 |
a2a59cde9b9f
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46048
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changeset
|
945 An upgrade will not be allowed if the repository doesn't have the |
a2a59cde9b9f
upgrade: gather code about source checking together
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parents:
46048
diff
changeset
|
946 requirements returned by this function. |
a2a59cde9b9f
upgrade: gather code about source checking together
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diff
changeset
|
947 """ |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
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changeset
|
948 return { |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
949 # Introduced in Mercurial 0.9.2. |
46637
ab58098bebed
requirements: also add a store constant
Raphaël Gomès <rgomes@octobus.net>
parents:
46636
diff
changeset
|
950 requirements.STORE_REQUIREMENT, |
46049
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
951 } |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
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46048
diff
changeset
|
952 |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
953 |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
954 def blocksourcerequirements(repo): |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
955 """Obtain requirements that will prevent an upgrade from occurring. |
a2a59cde9b9f
upgrade: gather code about source checking together
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46048
diff
changeset
|
956 |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
957 An upgrade cannot be performed if the source repository contains a |
a2a59cde9b9f
upgrade: gather code about source checking together
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parents:
46048
diff
changeset
|
958 requirements in the returned set. |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
959 """ |
a2a59cde9b9f
upgrade: gather code about source checking together
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parents:
46048
diff
changeset
|
960 return { |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
961 # This was a precursor to generaldelta and was never enabled by default. |
a2a59cde9b9f
upgrade: gather code about source checking together
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parents:
46048
diff
changeset
|
962 # It should (hopefully) not exist in the wild. |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46048
diff
changeset
|
963 b'parentdelta', |
a2a59cde9b9f
upgrade: gather code about source checking together
Pierre-Yves David <pierre-yves.david@octobus.net>
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46048
diff
changeset
|
964 } |
a2a59cde9b9f
upgrade: gather code about source checking together
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parents:
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diff
changeset
|
965 |
a2a59cde9b9f
upgrade: gather code about source checking together
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parents:
46048
diff
changeset
|
966 |
46705
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
967 def check_revlog_version(reqs): |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
968 """Check that the requirements contain at least one Revlog version""" |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
969 all_revlogs = { |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
970 requirements.REVLOGV1_REQUIREMENT, |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
971 requirements.REVLOGV2_REQUIREMENT, |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
972 } |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
973 if not all_revlogs.intersection(reqs): |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
974 msg = _(b'cannot upgrade repository; missing a revlog version') |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
975 raise error.Abort(msg) |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
976 |
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
977 |
46048
f4f956342cf1
upgrade: move requirements checking in a dedicated function
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parents:
46047
diff
changeset
|
978 def check_source_requirements(repo): |
f4f956342cf1
upgrade: move requirements checking in a dedicated function
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parents:
46047
diff
changeset
|
979 """Ensure that no existing requirements prevent the repository upgrade""" |
f4f956342cf1
upgrade: move requirements checking in a dedicated function
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parents:
46047
diff
changeset
|
980 |
46705
fd55a9eb1507
revlogv2: allow upgrading to v2
Raphaël Gomès <rgomes@octobus.net>
parents:
46638
diff
changeset
|
981 check_revlog_version(repo.requirements) |
46048
f4f956342cf1
upgrade: move requirements checking in a dedicated function
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parents:
46047
diff
changeset
|
982 required = requiredsourcerequirements(repo) |
f4f956342cf1
upgrade: move requirements checking in a dedicated function
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parents:
46047
diff
changeset
|
983 missingreqs = required - repo.requirements |
f4f956342cf1
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parents:
46047
diff
changeset
|
984 if missingreqs: |
f4f956342cf1
upgrade: move requirements checking in a dedicated function
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parents:
46047
diff
changeset
|
985 msg = _(b'cannot upgrade repository; requirement missing: %s') |
f4f956342cf1
upgrade: move requirements checking in a dedicated function
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parents:
46047
diff
changeset
|
986 missingreqs = b', '.join(sorted(missingreqs)) |
f4f956342cf1
upgrade: move requirements checking in a dedicated function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46047
diff
changeset
|
987 raise error.Abort(msg % missingreqs) |
f4f956342cf1
upgrade: move requirements checking in a dedicated function
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parents:
46047
diff
changeset
|
988 |
f4f956342cf1
upgrade: move requirements checking in a dedicated function
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parents:
46047
diff
changeset
|
989 blocking = blocksourcerequirements(repo) |
f4f956342cf1
upgrade: move requirements checking in a dedicated function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46047
diff
changeset
|
990 blockingreqs = blocking & repo.requirements |
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991 if blockingreqs: |
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992 m = _(b'cannot upgrade repository; unsupported source requirement: %s') |
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993 blockingreqs = b', '.join(sorted(blockingreqs)) |
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994 raise error.Abort(m % blockingreqs) |
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995 # Upgrade should operate on the actual store, not the shared link. |
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996 |
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997 bad_share = ( |
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998 requirements.SHARED_REQUIREMENT in repo.requirements |
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999 and requirements.SHARESAFE_REQUIREMENT not in repo.requirements |
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1000 ) |
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1001 if bad_share: |
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1002 m = _(b'cannot upgrade repository; share repository without share-safe') |
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1003 h = _(b'check :hg:`help config.format.use-share-safe`') |
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1004 raise error.Abort(m, hint=h) |
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1005 |
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1006 |
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1007 ### Verify the validity of the planned requirement changes #################### |
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1008 |
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1009 |
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1010 def supportremovedrequirements(repo): |
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1011 """Obtain requirements that can be removed during an upgrade. |
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1012 |
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1013 If an upgrade were to create a repository that dropped a requirement, |
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1014 the dropped requirement must appear in the returned set for the upgrade |
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1015 to be allowed. |
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1016 """ |
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1017 supported = { |
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1018 requirements.SPARSEREVLOG_REQUIREMENT, |
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1019 requirements.COPIESSDC_REQUIREMENT, |
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1020 requirements.NODEMAP_REQUIREMENT, |
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1021 requirements.SHARESAFE_REQUIREMENT, |
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1022 requirements.REVLOGV2_REQUIREMENT, |
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1023 requirements.CHANGELOGV2_REQUIREMENT, |
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1024 requirements.REVLOGV1_REQUIREMENT, |
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1025 requirements.DIRSTATE_TRACKED_HINT_V1, |
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1026 requirements.DIRSTATE_V2_REQUIREMENT, |
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1027 } |
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1028 for name in compression.compengines: |
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1029 engine = compression.compengines[name] |
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1030 if engine.available() and engine.revlogheader(): |
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1031 supported.add(b'exp-compression-%s' % name) |
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1032 if engine.name() == b'zstd': |
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1033 supported.add(b'revlog-compression-zstd') |
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1034 return supported |
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1035 |
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1036 |
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1037 def supporteddestrequirements(repo): |
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1038 """Obtain requirements that upgrade supports in the destination. |
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1039 |
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1040 If the result of the upgrade would have requirements not in this set, |
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1041 the upgrade is disallowed. |
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1042 |
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1043 Extensions should monkeypatch this to add their custom requirements. |
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1044 """ |
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1045 supported = { |
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1046 requirements.CHANGELOGV2_REQUIREMENT, |
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1047 requirements.COPIESSDC_REQUIREMENT, |
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|
1048 requirements.DIRSTATE_TRACKED_HINT_V1, |
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|
1049 requirements.DIRSTATE_V2_REQUIREMENT, |
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|
1050 requirements.DOTENCODE_REQUIREMENT, |
46638
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|
1051 requirements.FNCACHE_REQUIREMENT, |
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1052 requirements.GENERALDELTA_REQUIREMENT, |
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|
1053 requirements.NODEMAP_REQUIREMENT, |
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1054 requirements.REVLOGV1_REQUIREMENT, # allowed in case of downgrade |
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|
1055 requirements.REVLOGV2_REQUIREMENT, |
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1056 requirements.SHARED_REQUIREMENT, |
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1057 requirements.SHARESAFE_REQUIREMENT, |
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|
1058 requirements.SPARSEREVLOG_REQUIREMENT, |
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|
1059 requirements.STORE_REQUIREMENT, |
50646
c814101560d9
tree-manifest: allow `debugupgraderepo` to run on tree manifest repo
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parents:
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diff
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|
1060 requirements.TREEMANIFEST_REQUIREMENT, |
49069
a31e9840178e
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Arseniy Alekseyev <aalekseyev@janestreet.com>
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|
1061 requirements.NARROW_REQUIREMENT, |
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|
1062 } |
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|
1063 for name in compression.compengines: |
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|
1064 engine = compression.compengines[name] |
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|
1065 if engine.available() and engine.revlogheader(): |
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1066 supported.add(b'exp-compression-%s' % name) |
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|
1067 if engine.name() == b'zstd': |
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1068 supported.add(b'revlog-compression-zstd') |
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1069 return supported |
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|
1070 |
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1071 |
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1072 def allowednewrequirements(repo): |
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|
1073 """Obtain requirements that can be added to a repository during upgrade. |
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|
1074 |
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|
1075 This is used to disallow proposed requirements from being added when |
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|
1076 they weren't present before. |
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1077 |
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|
1078 We use a list of allowed requirement additions instead of a list of known |
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|
1079 bad additions because the whitelist approach is safer and will prevent |
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1080 future, unknown requirements from accidentally being added. |
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1081 """ |
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|
1082 supported = { |
46636
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changeset
|
1083 requirements.DOTENCODE_REQUIREMENT, |
46638
b4c2a2af25e2
requirements: also add a fncache constant
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diff
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|
1084 requirements.FNCACHE_REQUIREMENT, |
46627
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|
1085 requirements.GENERALDELTA_REQUIREMENT, |
46052
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|
1086 requirements.SPARSEREVLOG_REQUIREMENT, |
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|
1087 requirements.COPIESSDC_REQUIREMENT, |
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|
1088 requirements.NODEMAP_REQUIREMENT, |
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|
1089 requirements.SHARESAFE_REQUIREMENT, |
46705
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parents:
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diff
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|
1090 requirements.REVLOGV1_REQUIREMENT, |
fd55a9eb1507
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Raphaël Gomès <rgomes@octobus.net>
parents:
46638
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changeset
|
1091 requirements.REVLOGV2_REQUIREMENT, |
47264
60668fce06d0
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47263
diff
changeset
|
1092 requirements.CHANGELOGV2_REQUIREMENT, |
48793
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48790
diff
changeset
|
1093 requirements.DIRSTATE_TRACKED_HINT_V1, |
47320
a43d256c041a
dirstate-v2: Add `hg debugupgraderepo` command support
Simon Sapin <simon.sapin@octobus.net>
parents:
47319
diff
changeset
|
1094 requirements.DIRSTATE_V2_REQUIREMENT, |
46052
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|
1095 } |
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changeset
|
1096 for name in compression.compengines: |
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1097 engine = compression.compengines[name] |
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1098 if engine.available() and engine.revlogheader(): |
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1099 supported.add(b'exp-compression-%s' % name) |
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1100 if engine.name() == b'zstd': |
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1101 supported.add(b'revlog-compression-zstd') |
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1102 return supported |
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1103 |
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1104 |
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1105 def check_requirements_changes(repo, new_reqs): |
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1106 old_reqs = repo.requirements |
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1107 check_revlog_version(repo.requirements) |
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1108 support_removal = supportremovedrequirements(repo) |
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1109 no_remove_reqs = old_reqs - new_reqs - support_removal |
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1110 if no_remove_reqs: |
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1111 msg = _(b'cannot upgrade repository; requirement would be removed: %s') |
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1112 no_remove_reqs = b', '.join(sorted(no_remove_reqs)) |
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1113 raise error.Abort(msg % no_remove_reqs) |
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1114 |
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1115 support_addition = allowednewrequirements(repo) |
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1116 no_add_reqs = new_reqs - old_reqs - support_addition |
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1117 if no_add_reqs: |
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1118 m = _(b'cannot upgrade repository; do not support adding requirement: ') |
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1119 no_add_reqs = b', '.join(sorted(no_add_reqs)) |
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1120 raise error.Abort(m + no_add_reqs) |
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1121 |
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1122 supported = supporteddestrequirements(repo) |
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1123 unsupported_reqs = new_reqs - supported |
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1124 if unsupported_reqs: |
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1125 msg = _( |
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1126 b'cannot upgrade repository; do not support destination ' |
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1127 b'requirement: %s' |
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1128 ) |
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1129 unsupported_reqs = b', '.join(sorted(unsupported_reqs)) |
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1130 raise error.Abort(msg % unsupported_reqs) |