Mercurial > hg
annotate mercurial/upgrade.py @ 50896:b2b8c25f9462
hgwebmod: use sysstr to check for attribute presence
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author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 30 Aug 2023 13:28:09 +0200 |
parents | 4f04bb0d8deb |
children | 493034cc3265 |
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1 # upgrade.py - functions for in place upgrade of Mercurial repository |
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2 # |
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3 # Copyright (c) 2016-present, Gregory Szorc |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 |
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9 from .i18n import _ |
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10 from . import ( |
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11 error, |
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12 hg, |
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13 localrepo, |
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14 lock as lockmod, |
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15 pycompat, |
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16 requirements as requirementsmod, |
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17 scmutil, |
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18 ) |
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19 |
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20 from .upgrade_utils import ( |
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21 actions as upgrade_actions, |
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22 auto_upgrade, |
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23 engine as upgrade_engine, |
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24 ) |
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25 |
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26 from .utils import ( |
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27 stringutil, |
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28 ) |
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29 |
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30 may_auto_upgrade = auto_upgrade.may_auto_upgrade |
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31 allformatvariant = upgrade_actions.allformatvariant |
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32 |
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33 |
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34 def upgraderepo( |
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35 ui, |
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36 repo, |
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37 run=False, |
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38 optimize=None, |
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39 backup=True, |
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40 manifest=None, |
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41 changelog=None, |
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42 filelogs=None, |
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43 ): |
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44 """Upgrade a repository in place.""" |
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45 if optimize is None: |
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46 optimize = set() |
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47 repo = repo.unfiltered() |
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48 |
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49 specified_revlogs = {} |
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50 if changelog is not None: |
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51 specified_revlogs[upgrade_engine.UPGRADE_CHANGELOG] = changelog |
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52 if manifest is not None: |
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53 specified_revlogs[upgrade_engine.UPGRADE_MANIFEST] = manifest |
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54 if filelogs is not None: |
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55 specified_revlogs[upgrade_engine.UPGRADE_FILELOGS] = filelogs |
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56 |
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57 # Ensure the repository can be upgraded. |
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58 upgrade_actions.check_source_requirements(repo) |
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59 |
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60 default_options = localrepo.defaultcreateopts(repo.ui) |
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61 newreqs = localrepo.newreporequirements(repo.ui, default_options) |
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62 newreqs.update(upgrade_actions.preservedrequirements(repo)) |
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63 |
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64 upgrade_actions.check_requirements_changes(repo, newreqs) |
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65 |
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66 # Find and validate all improvements that can be made. |
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67 alloptimizations = upgrade_actions.findoptimizations(repo) |
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68 |
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69 # Apply and Validate arguments. |
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70 optimizations = [] |
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71 for o in alloptimizations: |
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72 if o.name in optimize: |
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73 optimizations.append(o) |
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74 optimize.discard(o.name) |
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75 |
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76 if optimize: # anything left is unknown |
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77 raise error.Abort( |
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78 _(b'unknown optimization action requested: %s') |
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79 % b', '.join(sorted(optimize)), |
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80 hint=_(b'run without arguments to see valid optimizations'), |
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81 ) |
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82 |
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83 format_upgrades = upgrade_actions.find_format_upgrades(repo) |
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84 up_actions = upgrade_actions.determine_upgrade_actions( |
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85 repo, format_upgrades, optimizations, repo.requirements, newreqs |
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86 ) |
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87 removed_actions = upgrade_actions.find_format_downgrades(repo) |
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88 |
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89 # check if we need to touch revlog and if so, which ones |
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90 |
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91 touched_revlogs = set() |
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92 overwrite_msg = _(b'warning: ignoring %14s, as upgrade is changing: %s\n') |
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93 select_msg = _(b'note: selecting %s for processing to change: %s\n') |
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94 msg_issued = 0 |
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95 |
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96 FL = upgrade_engine.UPGRADE_FILELOGS |
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97 MN = upgrade_engine.UPGRADE_MANIFEST |
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98 CL = upgrade_engine.UPGRADE_CHANGELOG |
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99 |
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100 if optimizations: |
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101 if any(specified_revlogs.values()): |
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102 # we have some limitation on revlogs to be recloned |
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103 for rl, enabled in specified_revlogs.items(): |
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104 if enabled: |
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105 touched_revlogs.add(rl) |
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106 else: |
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107 touched_revlogs = set(upgrade_engine.UPGRADE_ALL_REVLOGS) |
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108 for rl, enabled in specified_revlogs.items(): |
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109 if not enabled: |
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110 touched_revlogs.discard(rl) |
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111 |
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112 if repo.shared(): |
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113 unsafe_actions = set() |
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114 unsafe_actions.update(up_actions) |
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115 unsafe_actions.update(removed_actions) |
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116 unsafe_actions.update(optimizations) |
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117 unsafe_actions = [ |
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118 a for a in unsafe_actions if not a.compatible_with_share |
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119 ] |
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120 unsafe_actions.sort(key=lambda a: a.name) |
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121 if unsafe_actions: |
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122 m = _(b'cannot use these actions on a share repository: %s') |
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123 h = _(b'upgrade the main repository directly') |
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124 actions = b', '.join(a.name for a in unsafe_actions) |
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125 m %= actions |
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126 raise error.Abort(m, hint=h) |
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127 |
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128 for action in sorted(up_actions + removed_actions, key=lambda a: a.name): |
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129 # optimisation does not "requires anything, they just needs it. |
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130 if action.type != upgrade_actions.FORMAT_VARIANT: |
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131 continue |
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132 |
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133 if action.touches_filelogs and FL not in touched_revlogs: |
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134 if FL in specified_revlogs: |
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135 if not specified_revlogs[FL]: |
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136 msg = overwrite_msg % (b'--no-filelogs', action.name) |
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137 ui.warn(msg) |
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138 msg_issued = 2 |
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139 else: |
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140 msg = select_msg % (b'all-filelogs', action.name) |
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141 ui.status(msg) |
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142 if not ui.quiet: |
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143 msg_issued = 1 |
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144 touched_revlogs.add(FL) |
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145 |
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146 if action.touches_manifests and MN not in touched_revlogs: |
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147 if MN in specified_revlogs: |
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148 if not specified_revlogs[MN]: |
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149 msg = overwrite_msg % (b'--no-manifest', action.name) |
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150 ui.warn(msg) |
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151 msg_issued = 2 |
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152 else: |
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153 msg = select_msg % (b'all-manifestlogs', action.name) |
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154 ui.status(msg) |
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155 if not ui.quiet: |
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156 msg_issued = 1 |
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157 touched_revlogs.add(MN) |
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158 |
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159 if action.touches_changelog and CL not in touched_revlogs: |
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160 if CL in specified_revlogs: |
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161 if not specified_revlogs[CL]: |
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162 msg = overwrite_msg % (b'--no-changelog', action.name) |
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163 ui.warn(msg) |
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164 msg_issued = True |
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165 else: |
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166 msg = select_msg % (b'changelog', action.name) |
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167 ui.status(msg) |
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168 if not ui.quiet: |
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169 msg_issued = 1 |
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170 touched_revlogs.add(CL) |
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171 if msg_issued >= 2: |
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172 ui.warn((b"\n")) |
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173 elif msg_issued >= 1: |
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174 ui.status((b"\n")) |
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175 |
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176 upgrade_op = upgrade_actions.UpgradeOperation( |
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177 ui, |
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178 newreqs, |
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179 repo.requirements, |
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180 up_actions, |
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181 removed_actions, |
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182 touched_revlogs, |
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183 backup, |
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184 ) |
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185 |
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186 if not run: |
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187 fromconfig = [] |
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188 onlydefault = [] |
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189 |
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190 for d in format_upgrades: |
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191 if d.fromconfig(repo): |
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192 fromconfig.append(d) |
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193 elif d.default: |
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194 onlydefault.append(d) |
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195 |
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196 if fromconfig or onlydefault: |
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197 |
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198 if fromconfig: |
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199 ui.status( |
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200 _( |
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201 b'repository lacks features recommended by ' |
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202 b'current config options:\n\n' |
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203 ) |
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204 ) |
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205 for i in fromconfig: |
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206 ui.status(b'%s\n %s\n\n' % (i.name, i.description)) |
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207 |
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208 if onlydefault: |
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209 ui.status( |
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210 _( |
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211 b'repository lacks features used by the default ' |
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212 b'config options:\n\n' |
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213 ) |
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214 ) |
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215 for i in onlydefault: |
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216 ui.status(b'%s\n %s\n\n' % (i.name, i.description)) |
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217 |
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218 ui.status(b'\n') |
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219 else: |
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220 ui.status(_(b'(no format upgrades found in existing repository)\n')) |
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221 |
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222 ui.status( |
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223 _( |
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224 b'performing an upgrade with "--run" will make the following ' |
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225 b'changes:\n\n' |
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226 ) |
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227 ) |
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228 |
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229 upgrade_op.print_requirements() |
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230 upgrade_op.print_optimisations() |
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231 upgrade_op.print_upgrade_actions() |
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232 upgrade_op.print_affected_revlogs() |
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233 |
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234 if upgrade_op.unused_optimizations: |
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235 ui.status( |
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236 _( |
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237 b'additional optimizations are available by specifying ' |
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238 b'"--optimize <name>":\n\n' |
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239 ) |
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240 ) |
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241 upgrade_op.print_unused_optimizations() |
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242 return |
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243 |
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244 if not (upgrade_op.upgrade_actions or upgrade_op.removed_actions): |
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245 ui.status(_(b'nothing to do\n')) |
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246 return |
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247 # Else we're in the run=true case. |
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248 ui.write(_(b'upgrade will perform the following actions:\n\n')) |
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249 upgrade_op.print_requirements() |
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250 upgrade_op.print_optimisations() |
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251 upgrade_op.print_upgrade_actions() |
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252 upgrade_op.print_affected_revlogs() |
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253 |
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254 ui.status(_(b'beginning upgrade...\n')) |
33438 | 255 with repo.wlock(), repo.lock(): |
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256 ui.status(_(b'repository locked and read-only\n')) |
33438 | 257 # Our strategy for upgrading the repository is to create a new, |
258 # temporary repository, write data to it, then do a swap of the | |
259 # data. There are less heavyweight ways to do this, but it is easier | |
260 # to create a new repo object than to instantiate all the components | |
261 # (like the store) separately. | |
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262 tmppath = pycompat.mkdtemp(prefix=b'upgrade.', dir=repo.path) |
33438 | 263 backuppath = None |
264 try: | |
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265 ui.status( |
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266 _( |
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267 b'creating temporary repository to stage upgraded ' |
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268 b'data: %s\n' |
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269 ) |
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270 % tmppath |
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271 ) |
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272 |
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273 # clone ui without using ui.copy because repo.ui is protected |
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274 repoui = repo.ui.__class__(repo.ui) |
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275 dstrepo = hg.repository(repoui, path=tmppath, create=True) |
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276 |
33438 | 277 with dstrepo.wlock(), dstrepo.lock(): |
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278 backuppath = upgrade_engine.upgrade( |
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279 ui, repo, dstrepo, upgrade_op |
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280 ) |
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281 |
33438 | 282 finally: |
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283 ui.status(_(b'removing temporary repository %s\n') % tmppath) |
33438 | 284 repo.vfs.rmtree(tmppath, forcibly=True) |
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285 |
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286 if backuppath and not ui.quiet: |
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287 ui.warn( |
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288 _(b'copy of old repository backed up at %s\n') % backuppath |
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289 ) |
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290 ui.warn( |
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291 _( |
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292 b'the old repository will not be deleted; remove ' |
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293 b'it to free up disk space once the upgraded ' |
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294 b'repository is verified\n' |
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295 ) |
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296 ) |
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297 |
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298 upgrade_op.print_post_op_messages() |
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299 |
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300 |
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301 def upgrade_share_to_safe( |
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302 ui, |
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303 hgvfs, |
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304 storevfs, |
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305 current_requirements, |
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306 mismatch_config, |
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307 mismatch_warn, |
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308 mismatch_verbose_upgrade, |
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309 ): |
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310 """Upgrades a share to use share-safe mechanism""" |
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311 wlock = None |
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312 store_requirements = localrepo._readrequires(storevfs, False) |
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313 original_crequirements = current_requirements.copy() |
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314 # after upgrade, store requires will be shared, so lets find |
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315 # the requirements which are not present in store and |
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316 # write them to share's .hg/requires |
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317 diffrequires = current_requirements - store_requirements |
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318 # add share-safe requirement as it will mark the share as share-safe |
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319 diffrequires.add(requirementsmod.SHARESAFE_REQUIREMENT) |
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320 current_requirements.add(requirementsmod.SHARESAFE_REQUIREMENT) |
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321 # in `allow` case, we don't try to upgrade, we just respect the source |
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322 # state, update requirements and continue |
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323 if mismatch_config == b'allow': |
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324 return |
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325 try: |
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326 wlock = lockmod.trylock(ui, hgvfs, b'wlock', 0, 0) |
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327 # some process might change the requirement in between, re-read |
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328 # and update current_requirements |
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329 locked_requirements = localrepo._readrequires(hgvfs, True) |
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330 if locked_requirements != original_crequirements: |
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331 removed = current_requirements - locked_requirements |
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332 # update current_requirements in place because it's passed |
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333 # as reference |
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334 current_requirements -= removed |
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335 current_requirements |= locked_requirements |
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336 diffrequires = current_requirements - store_requirements |
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337 # add share-safe requirement as it will mark the share as share-safe |
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338 diffrequires.add(requirementsmod.SHARESAFE_REQUIREMENT) |
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339 current_requirements.add(requirementsmod.SHARESAFE_REQUIREMENT) |
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340 scmutil.writerequires(hgvfs, diffrequires) |
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341 if mismatch_verbose_upgrade: |
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342 ui.warn(_(b'repository upgraded to use share-safe mode\n')) |
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343 except error.LockError as e: |
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344 hint = _( |
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345 b"see `hg help config.format.use-share-safe` for more information" |
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346 ) |
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347 if mismatch_config == b'upgrade-abort': |
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348 raise error.Abort( |
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349 _(b'failed to upgrade share, got error: %s') |
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350 % stringutil.forcebytestr(e.strerror), |
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351 hint=hint, |
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352 ) |
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353 elif mismatch_warn: |
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354 ui.warn( |
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355 _(b'failed to upgrade share, got error: %s\n') |
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356 % stringutil.forcebytestr(e.strerror), |
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357 hint=hint, |
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358 ) |
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359 finally: |
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360 if wlock: |
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361 wlock.release() |
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362 |
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363 |
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364 def downgrade_share_to_non_safe( |
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365 ui, |
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366 hgvfs, |
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367 sharedvfs, |
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368 current_requirements, |
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369 mismatch_config, |
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370 mismatch_warn, |
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371 mismatch_verbose_upgrade, |
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372 ): |
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373 """Downgrades a share which use share-safe to not use it""" |
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374 wlock = None |
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375 source_requirements = localrepo._readrequires(sharedvfs, True) |
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376 original_crequirements = current_requirements.copy() |
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377 # we cannot be 100% sure on which requirements were present in store when |
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378 # the source supported share-safe. However, we do know that working |
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379 # directory requirements were not there. Hence we remove them |
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380 source_requirements -= requirementsmod.WORKING_DIR_REQUIREMENTS |
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381 current_requirements |= source_requirements |
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382 current_requirements.remove(requirementsmod.SHARESAFE_REQUIREMENT) |
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383 if mismatch_config == b'allow': |
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384 return |
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385 |
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386 try: |
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387 wlock = lockmod.trylock(ui, hgvfs, b'wlock', 0, 0) |
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388 # some process might change the requirement in between, re-read |
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389 # and update current_requirements |
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390 locked_requirements = localrepo._readrequires(hgvfs, True) |
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391 if locked_requirements != original_crequirements: |
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392 removed = current_requirements - locked_requirements |
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393 # update current_requirements in place because it's passed |
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394 # as reference |
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395 current_requirements -= removed |
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396 current_requirements |= locked_requirements |
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397 current_requirements |= source_requirements |
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398 current_requirements -= set(requirementsmod.SHARESAFE_REQUIREMENT) |
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399 scmutil.writerequires(hgvfs, current_requirements) |
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400 if mismatch_verbose_upgrade: |
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401 ui.warn(_(b'repository downgraded to not use share-safe mode\n')) |
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402 except error.LockError as e: |
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403 hint = _( |
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404 b"see `hg help config.format.use-share-safe` for more information" |
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405 ) |
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406 # If upgrade-abort is set, abort when upgrade fails, else let the |
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407 # process continue as `upgrade-allow` is set |
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408 if mismatch_config == b'downgrade-abort': |
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409 raise error.Abort( |
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410 _(b'failed to downgrade share, got error: %s') |
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411 % stringutil.forcebytestr(e.strerror), |
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412 hint=hint, |
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413 ) |
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414 elif mismatch_warn: |
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415 ui.warn( |
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416 _(b'failed to downgrade share, got error: %s\n') |
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417 % stringutil.forcebytestr(e.strerror), |
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418 hint=hint, |
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419 ) |
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420 finally: |
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421 if wlock: |
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422 wlock.release() |