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annotate mercurial/bundlecaches.py @ 49336:1b04d5213d0f

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bundlespec: add processing of some parameter value The boolean option needs to be turned into boolean.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 18 May 2022 10:38:11 +0100
parents 5d17dd74177d
children d89bfc075289
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1 # bundlecaches.py - utility to deal with pre-computed bundle for servers
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2 #
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3 # This software may be used and distributed according to the terms of the
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4 # GNU General Public License version 2 or any later version.
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5
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6 import collections
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7
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8 from .i18n import _
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9
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10 from .thirdparty import attr
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11
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12 from . import (
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13 error,
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14 requirements as requirementsmod,
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15 sslutil,
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16 util,
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17 )
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18 from .utils import stringutil
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19
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20 urlreq = util.urlreq
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21
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22 CB_MANIFEST_FILE = b'clonebundles.manifest'
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23
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24
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25 @attr.s
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26 class bundlespec:
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27 compression = attr.ib()
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28 wirecompression = attr.ib()
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29 version = attr.ib()
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30 wireversion = attr.ib()
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31 # parameters explicitly overwritten by the config or the specification
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32 _explicit_params = attr.ib()
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33 # default parameter for the version
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34 #
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35 # Keeping it separated is useful to check what was actually overwritten.
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36 _default_opts = attr.ib()
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37
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38 @property
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39 def params(self):
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40 return collections.ChainMap(self._explicit_params, self._default_opts)
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41
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42 @property
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43 def contentopts(self):
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44 # kept for Backward Compatibility concerns.
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45 return self.params
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46
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47 def set_param(self, key, value, overwrite=True):
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48 """Set a bundle parameter value.
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49
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50 Will only overwrite if overwrite is true"""
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51 if overwrite or key not in self._explicit_params:
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52 self._explicit_params[key] = value
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53
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54
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55 # Maps bundle version human names to changegroup versions.
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56 _bundlespeccgversions = {
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57 b'v1': b'01',
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58 b'v2': b'02',
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59 b'packed1': b's1',
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60 b'bundle2': b'02', # legacy
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61 }
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62
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63 # Maps bundle version with content opts to choose which part to bundle
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64 _bundlespeccontentopts = {
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65 b'v1': {
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66 b'changegroup': True,
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67 b'cg.version': b'01',
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68 b'obsolescence': False,
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69 b'phases': False,
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70 b'tagsfnodescache': False,
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71 b'revbranchcache': False,
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72 },
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73 b'v2': {
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74 b'changegroup': True,
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75 b'cg.version': b'02',
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76 b'obsolescence': False,
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77 b'phases': False,
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78 b'tagsfnodescache': True,
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79 b'revbranchcache': True,
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80 },
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81 b'streamv2': {
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82 b'changegroup': False,
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83 b'cg.version': b'02',
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84 b'obsolescence': False,
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85 b'phases': False,
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86 b"streamv2": True,
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87 b'tagsfnodescache': False,
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88 b'revbranchcache': False,
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89 },
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90 b'packed1': {
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91 b'cg.version': b's1',
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92 },
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93 b'bundle2': { # legacy
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94 b'cg.version': b'02',
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95 },
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96 }
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97 _bundlespeccontentopts[b'bundle2'] = _bundlespeccontentopts[b'v2']
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98
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99 _bundlespecvariants = {b"streamv2": {}}
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100
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101 # Compression engines allowed in version 1. THIS SHOULD NEVER CHANGE.
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102 _bundlespecv1compengines = {b'gzip', b'bzip2', b'none'}
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103
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104
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105 def param_bool(key, value):
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106 """make a boolean out of a parameter value"""
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107 b = stringutil.parsebool(value)
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108 if b is None:
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109 msg = _(b"parameter %s should be a boolean ('%s')")
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110 msg %= (key, value)
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111 raise error.InvalidBundleSpecification(msg)
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112 return b
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113
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114
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115 # mapping of known parameter name need their value processed
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116 bundle_spec_param_processing = {
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117 b"obsolescence": param_bool,
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118 b"obsolescence-mandatory": param_bool,
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119 b"phases": param_bool,
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120 }
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121
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122
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123 def _parseparams(s):
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124 """parse bundlespec parameter section
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125
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126 input: "comp-version;params" string
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127
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128 return: (spec; {param_key: param_value})
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129 """
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130 if b';' not in s:
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131 return s, {}
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132
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133 params = {}
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134 version, paramstr = s.split(b';', 1)
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135
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136 err = _(b'invalid bundle specification: missing "=" in parameter: %s')
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137 for p in paramstr.split(b';'):
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138 if b'=' not in p:
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139 msg = err % p
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140 raise error.InvalidBundleSpecification(msg)
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141
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142 key, value = p.split(b'=', 1)
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143 key = urlreq.unquote(key)
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144 value = urlreq.unquote(value)
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145 process = bundle_spec_param_processing.get(key)
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146 if process is not None:
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147 value = process(key, value)
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148 params[key] = value
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149
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150 return version, params
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151
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152
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153 def parsebundlespec(repo, spec, strict=True):
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154 """Parse a bundle string specification into parts.
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155
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156 Bundle specifications denote a well-defined bundle/exchange format.
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157 The content of a given specification should not change over time in
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158 order to ensure that bundles produced by a newer version of Mercurial are
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159 readable from an older version.
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160
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161 The string currently has the form:
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162
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163 <compression>-<type>[;<parameter0>[;<parameter1>]]
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164
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165 Where <compression> is one of the supported compression formats
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166 and <type> is (currently) a version string. A ";" can follow the type and
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167 all text afterwards is interpreted as URI encoded, ";" delimited key=value
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168 pairs.
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169
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170 If ``strict`` is True (the default) <compression> is required. Otherwise,
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171 it is optional.
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172
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173 Returns a bundlespec object of (compression, version, parameters).
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174 Compression will be ``None`` if not in strict mode and a compression isn't
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175 defined.
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176
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177 An ``InvalidBundleSpecification`` is raised when the specification is
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178 not syntactically well formed.
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179
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180 An ``UnsupportedBundleSpecification`` is raised when the compression or
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181 bundle type/version is not recognized.
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182
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183 Note: this function will likely eventually return a more complex data
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184 structure, including bundle2 part information.
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185 """
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186 if strict and b'-' not in spec:
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187 raise error.InvalidBundleSpecification(
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188 _(
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189 b'invalid bundle specification; '
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190 b'must be prefixed with compression: %s'
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191 )
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192 % spec
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193 )
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194
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195 if b'-' in spec:
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196 compression, version = spec.split(b'-', 1)
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197
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198 if compression not in util.compengines.supportedbundlenames:
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199 raise error.UnsupportedBundleSpecification(
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200 _(b'%s compression is not supported') % compression
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201 )
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202
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203 version, params = _parseparams(version)
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204
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205 if version not in _bundlespeccontentopts:
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206 raise error.UnsupportedBundleSpecification(
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207 _(b'%s is not a recognized bundle version') % version
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208 )
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209 else:
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210 # Value could be just the compression or just the version, in which
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211 # case some defaults are assumed (but only when not in strict mode).
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212 assert not strict
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213
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214 spec, params = _parseparams(spec)
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215
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216 if spec in util.compengines.supportedbundlenames:
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217 compression = spec
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218 version = b'v1'
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219 # Generaldelta repos require v2.
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220 if requirementsmod.GENERALDELTA_REQUIREMENT in repo.requirements:
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221 version = b'v2'
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222 elif requirementsmod.REVLOGV2_REQUIREMENT in repo.requirements:
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223 version = b'v2'
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224 # Modern compression engines require v2.
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225 if compression not in _bundlespecv1compengines:
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226 version = b'v2'
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227 elif spec in _bundlespeccontentopts:
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228 if spec == b'packed1':
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229 compression = b'none'
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230 else:
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231 compression = b'bzip2'
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232 version = spec
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233 else:
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234 raise error.UnsupportedBundleSpecification(
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235 _(b'%s is not a recognized bundle specification') % spec
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236 )
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237
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238 # Bundle version 1 only supports a known set of compression engines.
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239 if version == b'v1' and compression not in _bundlespecv1compengines:
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240 raise error.UnsupportedBundleSpecification(
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241 _(b'compression engine %s is not supported on v1 bundles')
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242 % compression
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243 )
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244
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245 # The specification for packed1 can optionally declare the data formats
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246 # required to apply it. If we see this metadata, compare against what the
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247 # repo supports and error if the bundle isn't compatible.
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248 if version == b'packed1' and b'requirements' in params:
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249 requirements = set(params[b'requirements'].split(b','))
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250 missingreqs = requirements - requirementsmod.STREAM_FIXED_REQUIREMENTS
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251 if missingreqs:
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252 raise error.UnsupportedBundleSpecification(
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253 _(b'missing support for repository features: %s')
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254 % b', '.join(sorted(missingreqs))
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255 )
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256
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257 # Compute contentopts based on the version
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258 if b"stream" in params and params[b"stream"] == b"v2":
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259 # That case is fishy as this mostly derails the version selection
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260 # mechanism. `stream` bundles are quite specific and used differently
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261 # as "normal" bundles.
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262 #
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263 # So we are pinning this to "v2", as this will likely be
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264 # compatible forever. (see the next conditional).
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265 #
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266 # (we should probably define a cleaner way to do this and raise a
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267 # warning when the old way is encounter)
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268 version = b"streamv2"
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269 contentopts = _bundlespeccontentopts.get(version, {}).copy()
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270 if version == b"streamv2":
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271 # streamv2 have been reported as "v2" for a while.
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272 version = b"v2"
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273
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274 engine = util.compengines.forbundlename(compression)
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275 compression, wirecompression = engine.bundletype()
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276 wireversion = _bundlespeccontentopts[version][b'cg.version']
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277
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278 return bundlespec(
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279 compression, wirecompression, version, wireversion, params, contentopts
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280 )
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281
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282
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283 def parseclonebundlesmanifest(repo, s):
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284 """Parses the raw text of a clone bundles manifest.
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285
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286 Returns a list of dicts. The dicts have a ``URL`` key corresponding
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287 to the URL and other keys are the attributes for the entry.
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288 """
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289 m = []
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290 for line in s.splitlines():
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291 fields = line.split()
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292 if not fields:
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293 continue
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294 attrs = {b'URL': fields[0]}
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295 for rawattr in fields[1:]:
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296 key, value = rawattr.split(b'=', 1)
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297 key = util.urlreq.unquote(key)
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298 value = util.urlreq.unquote(value)
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299 attrs[key] = value
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300
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diff changeset
301 # Parse BUNDLESPEC into components. This makes client-side
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302 # preferences easier to specify since you can prefer a single
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303 # component of the BUNDLESPEC.
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diff changeset
304 if key == b'BUNDLESPEC':
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diff changeset
305 try:
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diff changeset
306 bundlespec = parsebundlespec(repo, value)
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diff changeset
307 attrs[b'COMPRESSION'] = bundlespec.compression
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diff changeset
308 attrs[b'VERSION'] = bundlespec.version
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diff changeset
309 except error.InvalidBundleSpecification:
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diff changeset
310 pass
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diff changeset
311 except error.UnsupportedBundleSpecification:
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parents:
diff changeset
312 pass
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diff changeset
313
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diff changeset
314 m.append(attrs)
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315
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316 return m
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diff changeset
317
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parents:
diff changeset
318
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diff changeset
319 def isstreamclonespec(bundlespec):
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320 # Stream clone v1
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diff changeset
321 if bundlespec.wirecompression == b'UN' and bundlespec.wireversion == b's1':
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diff changeset
322 return True
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diff changeset
323
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324 # Stream clone v2
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diff changeset
325 if (
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diff changeset
326 bundlespec.wirecompression == b'UN'
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diff changeset
327 and bundlespec.wireversion == b'02'
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diff changeset
328 and bundlespec.contentopts.get(b'streamv2')
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diff changeset
329 ):
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diff changeset
330 return True
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diff changeset
331
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diff changeset
332 return False
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parents:
diff changeset
333
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parents:
diff changeset
334
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diff changeset
335 def filterclonebundleentries(repo, entries, streamclonerequested=False):
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diff changeset
336 """Remove incompatible clone bundle manifest entries.
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diff changeset
337
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diff changeset
338 Accepts a list of entries parsed with ``parseclonebundlesmanifest``
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diff changeset
339 and returns a new list consisting of only the entries that this client
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diff changeset
340 should be able to apply.
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341
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diff changeset
342 There is no guarantee we'll be able to apply all returned entries because
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diff changeset
343 the metadata we use to filter on may be missing or wrong.
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344 """
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diff changeset
345 newentries = []
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diff changeset
346 for entry in entries:
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diff changeset
347 spec = entry.get(b'BUNDLESPEC')
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diff changeset
348 if spec:
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diff changeset
349 try:
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diff changeset
350 bundlespec = parsebundlespec(repo, spec, strict=True)
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diff changeset
351
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diff changeset
352 # If a stream clone was requested, filter out non-streamclone
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diff changeset
353 # entries.
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diff changeset
354 if streamclonerequested and not isstreamclonespec(bundlespec):
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diff changeset
355 repo.ui.debug(
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diff changeset
356 b'filtering %s because not a stream clone\n'
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diff changeset
357 % entry[b'URL']
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diff changeset
358 )
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
359 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
360
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
361 except error.InvalidBundleSpecification as e:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
362 repo.ui.debug(stringutil.forcebytestr(e) + b'\n')
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
363 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
364 except error.UnsupportedBundleSpecification as e:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
365 repo.ui.debug(
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
366 b'filtering %s because unsupported bundle '
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
367 b'spec: %s\n' % (entry[b'URL'], stringutil.forcebytestr(e))
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
368 )
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
369 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
370 # If we don't have a spec and requested a stream clone, we don't know
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
371 # what the entry is so don't attempt to apply it.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
372 elif streamclonerequested:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
373 repo.ui.debug(
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
374 b'filtering %s because cannot determine if a stream '
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
375 b'clone bundle\n' % entry[b'URL']
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
376 )
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
377 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
378
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
379 if b'REQUIRESNI' in entry and not sslutil.hassni:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
380 repo.ui.debug(
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
381 b'filtering %s because SNI not supported\n' % entry[b'URL']
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
382 )
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
383 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
384
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
385 if b'REQUIREDRAM' in entry:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
386 try:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
387 requiredram = util.sizetoint(entry[b'REQUIREDRAM'])
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
388 except error.ParseError:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
389 repo.ui.debug(
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
390 b'filtering %s due to a bad REQUIREDRAM attribute\n'
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
391 % entry[b'URL']
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
392 )
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
393 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
394 actualram = repo.ui.estimatememory()
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
395 if actualram is not None and actualram * 0.66 < requiredram:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
396 repo.ui.debug(
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
397 b'filtering %s as it needs more than 2/3 of system memory\n'
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
398 % entry[b'URL']
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
399 )
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
400 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
401
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
402 newentries.append(entry)
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
403
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
404 return newentries
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
405
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
406
49037
642e31cb55f0 py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48623
diff changeset
407 class clonebundleentry:
45807
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
408 """Represents an item in a clone bundles manifest.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
409
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
410 This rich class is needed to support sorting since sorted() in Python 3
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
411 doesn't support ``cmp`` and our comparison is complex enough that ``key=``
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
412 won't work.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
413 """
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
414
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
415 def __init__(self, value, prefers):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
416 self.value = value
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
417 self.prefers = prefers
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
418
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
419 def _cmp(self, other):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
420 for prefkey, prefvalue in self.prefers:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
421 avalue = self.value.get(prefkey)
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
422 bvalue = other.value.get(prefkey)
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
423
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
424 # Special case for b missing attribute and a matches exactly.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
425 if avalue is not None and bvalue is None and avalue == prefvalue:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
426 return -1
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
427
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
428 # Special case for a missing attribute and b matches exactly.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
429 if bvalue is not None and avalue is None and bvalue == prefvalue:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
430 return 1
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
431
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
432 # We can't compare unless attribute present on both.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
433 if avalue is None or bvalue is None:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
434 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
435
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
436 # Same values should fall back to next attribute.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
437 if avalue == bvalue:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
438 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
439
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
440 # Exact matches come first.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
441 if avalue == prefvalue:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
442 return -1
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
443 if bvalue == prefvalue:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
444 return 1
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
445
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
446 # Fall back to next attribute.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
447 continue
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
448
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
449 # If we got here we couldn't sort by attributes and prefers. Fall
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
450 # back to index order.
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
451 return 0
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
452
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
453 def __lt__(self, other):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
454 return self._cmp(other) < 0
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
455
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
456 def __gt__(self, other):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
457 return self._cmp(other) > 0
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
458
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
459 def __eq__(self, other):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
460 return self._cmp(other) == 0
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
461
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
462 def __le__(self, other):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
463 return self._cmp(other) <= 0
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
464
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
465 def __ge__(self, other):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
466 return self._cmp(other) >= 0
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
467
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
468 def __ne__(self, other):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
469 return self._cmp(other) != 0
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
470
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
471
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
472 def sortclonebundleentries(ui, entries):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
473 prefers = ui.configlist(b'ui', b'clonebundleprefers')
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
474 if not prefers:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
475 return list(entries)
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
476
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
477 def _split(p):
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
478 if b'=' not in p:
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
479 hint = _(b"each comma separated item should be key=value pairs")
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
480 raise error.Abort(
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
481 _(b"invalid ui.clonebundleprefers item: %s") % p, hint=hint
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
482 )
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
483 return p.split(b'=', 1)
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
484
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
485 prefers = [_split(p) for p in prefers]
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
486
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
487 items = sorted(clonebundleentry(v, prefers) for v in entries)
74271829ddc0 clonebundles: move a bundle of clone bundle related code to a new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
488 return [i.value for i in items]