Mercurial > hg
annotate mercurial/obsolete.py @ 50896:b2b8c25f9462
hgwebmod: use sysstr to check for attribute presence
We do not need bytes here.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 30 Aug 2023 13:28:09 +0200 |
parents | 360c156e1f81 |
children | 18c8c18993f0 |
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1 # obsolete.py - obsolete markers handling |
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2 # |
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3 # Copyright 2012 Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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4 # Logilab SA <contact@logilab.fr> |
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5 # |
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6 # This software may be used and distributed according to the terms of the |
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7 # GNU General Public License version 2 or any later version. |
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8 |
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9 """Obsolete marker handling |
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10 |
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11 An obsolete marker maps an old changeset to a list of new |
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12 changesets. If the list of new changesets is empty, the old changeset |
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13 is said to be "killed". Otherwise, the old changeset is being |
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14 "replaced" by the new changesets. |
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15 |
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16 Obsolete markers can be used to record and distribute changeset graph |
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17 transformations performed by history rewrite operations, and help |
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18 building new tools to reconcile conflicting rewrite actions. To |
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19 facilitate conflict resolution, markers include various annotations |
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20 besides old and news changeset identifiers, such as creation date or |
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21 author name. |
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22 |
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23 The old obsoleted changeset is called a "predecessor" and possible |
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24 replacements are called "successors". Markers that used changeset X as |
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25 a predecessor are called "successor markers of X" because they hold |
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26 information about the successors of X. Markers that use changeset Y as |
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27 a successors are call "predecessor markers of Y" because they hold |
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28 information about the predecessors of Y. |
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29 |
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30 Examples: |
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31 |
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32 - When changeset A is replaced by changeset A', one marker is stored: |
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33 |
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34 (A, (A',)) |
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35 |
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36 - When changesets A and B are folded into a new changeset C, two markers are |
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37 stored: |
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38 |
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39 (A, (C,)) and (B, (C,)) |
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40 |
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41 - When changeset A is simply "pruned" from the graph, a marker is created: |
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42 |
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43 (A, ()) |
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44 |
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45 - When changeset A is split into B and C, a single marker is used: |
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46 |
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47 (A, (B, C)) |
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48 |
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49 We use a single marker to distinguish the "split" case from the "divergence" |
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50 case. If two independent operations rewrite the same changeset A in to A' and |
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51 A'', we have an error case: divergent rewriting. We can detect it because |
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52 two markers will be created independently: |
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53 |
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54 (A, (B,)) and (A, (C,)) |
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55 |
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56 Format |
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57 ------ |
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58 |
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59 Markers are stored in an append-only file stored in |
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60 '.hg/store/obsstore'. |
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61 |
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62 The file starts with a version header: |
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63 |
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64 - 1 unsigned byte: version number, starting at zero. |
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65 |
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66 The header is followed by the markers. Marker format depend of the version. See |
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67 comment associated with each format for details. |
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68 |
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69 """ |
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70 |
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71 import binascii |
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72 import struct |
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73 import weakref |
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74 |
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75 from .i18n import _ |
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76 from .pycompat import getattr |
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77 from .node import ( |
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78 bin, |
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79 hex, |
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80 ) |
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81 from . import ( |
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82 encoding, |
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83 error, |
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84 obsutil, |
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85 phases, |
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86 policy, |
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87 pycompat, |
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88 util, |
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89 ) |
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90 from .utils import ( |
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91 dateutil, |
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92 hashutil, |
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93 ) |
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94 |
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95 parsers = policy.importmod('parsers') |
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96 |
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97 _pack = struct.pack |
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98 _unpack = struct.unpack |
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99 _calcsize = struct.calcsize |
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100 propertycache = util.propertycache |
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101 |
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102 # Options for obsolescence |
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103 createmarkersopt = b'createmarkers' |
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104 allowunstableopt = b'allowunstable' |
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105 allowdivergenceopt = b'allowdivergence' |
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106 exchangeopt = b'exchange' |
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107 |
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108 |
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109 def _getoptionvalue(repo, option): |
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110 """Returns True if the given repository has the given obsolete option |
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111 enabled. |
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112 """ |
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113 configkey = b'evolution.%s' % option |
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114 newconfig = repo.ui.configbool(b'experimental', configkey) |
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115 |
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116 # Return the value only if defined |
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117 if newconfig is not None: |
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118 return newconfig |
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119 |
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120 # Fallback on generic option |
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121 try: |
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122 return repo.ui.configbool(b'experimental', b'evolution') |
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123 except (error.ConfigError, AttributeError): |
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124 # Fallback on old-fashion config |
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125 # inconsistent config: experimental.evolution |
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126 result = set(repo.ui.configlist(b'experimental', b'evolution')) |
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127 |
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128 if b'all' in result: |
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129 return True |
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130 |
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131 # Temporary hack for next check |
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132 newconfig = repo.ui.config(b'experimental', b'evolution.createmarkers') |
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133 if newconfig: |
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134 result.add(b'createmarkers') |
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135 |
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136 return option in result |
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137 |
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138 |
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139 def getoptions(repo): |
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140 """Returns dicts showing state of obsolescence features.""" |
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141 |
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142 createmarkersvalue = _getoptionvalue(repo, createmarkersopt) |
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143 if createmarkersvalue: |
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144 unstablevalue = _getoptionvalue(repo, allowunstableopt) |
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145 divergencevalue = _getoptionvalue(repo, allowdivergenceopt) |
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146 exchangevalue = _getoptionvalue(repo, exchangeopt) |
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147 else: |
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148 # if we cannot create obsolescence markers, we shouldn't exchange them |
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149 # or perform operations that lead to instability or divergence |
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150 unstablevalue = False |
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151 divergencevalue = False |
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152 exchangevalue = False |
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153 |
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154 return { |
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155 createmarkersopt: createmarkersvalue, |
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156 allowunstableopt: unstablevalue, |
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157 allowdivergenceopt: divergencevalue, |
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158 exchangeopt: exchangevalue, |
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159 } |
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160 |
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161 |
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162 def isenabled(repo, option): |
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163 """Returns True if the given repository has the given obsolete option |
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164 enabled. |
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165 """ |
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166 return getoptions(repo)[option] |
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167 |
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168 |
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169 # Creating aliases for marker flags because evolve extension looks for |
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170 # bumpedfix in obsolete.py |
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171 bumpedfix = obsutil.bumpedfix |
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172 usingsha256 = obsutil.usingsha256 |
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173 |
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174 ## Parsing and writing of version "0" |
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175 # |
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176 # The header is followed by the markers. Each marker is made of: |
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177 # |
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178 # - 1 uint8 : number of new changesets "N", can be zero. |
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179 # |
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180 # - 1 uint32: metadata size "M" in bytes. |
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181 # |
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182 # - 1 byte: a bit field. It is reserved for flags used in common |
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183 # obsolete marker operations, to avoid repeated decoding of metadata |
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184 # entries. |
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185 # |
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186 # - 20 bytes: obsoleted changeset identifier. |
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187 # |
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188 # - N*20 bytes: new changesets identifiers. |
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189 # |
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190 # - M bytes: metadata as a sequence of nul-terminated strings. Each |
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191 # string contains a key and a value, separated by a colon ':', without |
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192 # additional encoding. Keys cannot contain '\0' or ':' and values |
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193 # cannot contain '\0'. |
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194 _fm0version = 0 |
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195 _fm0fixed = b'>BIB20s' |
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196 _fm0node = b'20s' |
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197 _fm0fsize = _calcsize(_fm0fixed) |
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198 _fm0fnodesize = _calcsize(_fm0node) |
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199 |
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200 |
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201 def _fm0readmarkers(data, off, stop): |
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202 # Loop on markers |
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203 while off < stop: |
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204 # read fixed part |
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205 cur = data[off : off + _fm0fsize] |
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206 off += _fm0fsize |
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207 numsuc, mdsize, flags, pre = _unpack(_fm0fixed, cur) |
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208 # read replacement |
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209 sucs = () |
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210 if numsuc: |
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211 s = _fm0fnodesize * numsuc |
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212 cur = data[off : off + s] |
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213 sucs = _unpack(_fm0node * numsuc, cur) |
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214 off += s |
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215 # read metadata |
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216 # (metadata will be decoded on demand) |
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217 metadata = data[off : off + mdsize] |
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218 if len(metadata) != mdsize: |
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219 raise error.Abort( |
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220 _( |
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221 b'parsing obsolete marker: metadata is too ' |
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222 b'short, %d bytes expected, got %d' |
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223 ) |
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224 % (mdsize, len(metadata)) |
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225 ) |
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226 off += mdsize |
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227 metadata = _fm0decodemeta(metadata) |
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228 try: |
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229 when, offset = metadata.pop(b'date', b'0 0').split(b' ') |
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230 date = float(when), int(offset) |
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231 except ValueError: |
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232 date = (0.0, 0) |
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233 parents = None |
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234 if b'p2' in metadata: |
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235 parents = (metadata.pop(b'p1', None), metadata.pop(b'p2', None)) |
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236 elif b'p1' in metadata: |
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237 parents = (metadata.pop(b'p1', None),) |
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238 elif b'p0' in metadata: |
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239 parents = () |
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240 if parents is not None: |
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241 try: |
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242 parents = tuple(bin(p) for p in parents) |
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243 # if parent content is not a nodeid, drop the data |
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244 for p in parents: |
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245 if len(p) != 20: |
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246 parents = None |
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247 break |
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248 except binascii.Error: |
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249 # if content cannot be translated to nodeid drop the data. |
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250 parents = None |
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251 |
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252 metadata = tuple(sorted(metadata.items())) |
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253 |
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254 yield (pre, sucs, flags, metadata, date, parents) |
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255 |
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256 |
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257 def _fm0encodeonemarker(marker): |
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258 pre, sucs, flags, metadata, date, parents = marker |
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259 if flags & usingsha256: |
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260 raise error.Abort(_(b'cannot handle sha256 with old obsstore format')) |
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261 metadata = dict(metadata) |
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262 time, tz = date |
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263 metadata[b'date'] = b'%r %i' % (time, tz) |
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264 if parents is not None: |
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265 if not parents: |
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266 # mark that we explicitly recorded no parents |
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267 metadata[b'p0'] = b'' |
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268 for i, p in enumerate(parents, 1): |
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269 metadata[b'p%i' % i] = hex(p) |
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270 metadata = _fm0encodemeta(metadata) |
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271 numsuc = len(sucs) |
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272 format = _fm0fixed + (_fm0node * numsuc) |
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273 data = [numsuc, len(metadata), flags, pre] |
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274 data.extend(sucs) |
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275 return _pack(format, *data) + metadata |
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276 |
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277 |
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278 def _fm0encodemeta(meta): |
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279 """Return encoded metadata string to string mapping. |
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280 |
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281 Assume no ':' in key and no '\0' in both key and value.""" |
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282 for key, value in meta.items(): |
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283 if b':' in key or b'\0' in key: |
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284 raise ValueError(b"':' and '\0' are forbidden in metadata key'") |
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285 if b'\0' in value: |
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286 raise ValueError(b"':' is forbidden in metadata value'") |
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287 return b'\0'.join([b'%s:%s' % (k, meta[k]) for k in sorted(meta)]) |
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288 |
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289 |
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290 def _fm0decodemeta(data): |
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291 """Return string to string dictionary from encoded version.""" |
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292 d = {} |
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293 for l in data.split(b'\0'): |
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294 if l: |
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295 key, value = l.split(b':', 1) |
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296 d[key] = value |
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297 return d |
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298 |
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299 |
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300 ## Parsing and writing of version "1" |
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301 # |
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302 # The header is followed by the markers. Each marker is made of: |
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303 # |
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304 # - uint32: total size of the marker (including this field) |
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305 # |
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306 # - float64: date in seconds since epoch |
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307 # |
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308 # - int16: timezone offset in minutes |
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309 # |
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310 # - uint16: a bit field. It is reserved for flags used in common |
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311 # obsolete marker operations, to avoid repeated decoding of metadata |
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312 # entries. |
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313 # |
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314 # - uint8: number of successors "N", can be zero. |
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315 # |
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316 # - uint8: number of parents "P", can be zero. |
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317 # |
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318 # 0: parents data stored but no parent, |
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319 # 1: one parent stored, |
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320 # 2: two parents stored, |
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321 # 3: no parent data stored |
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322 # |
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323 # - uint8: number of metadata entries M |
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324 # |
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325 # - 20 or 32 bytes: predecessor changeset identifier. |
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326 # |
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327 # - N*(20 or 32) bytes: successors changesets identifiers. |
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328 # |
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329 # - P*(20 or 32) bytes: parents of the predecessors changesets. |
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330 # |
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331 # - M*(uint8, uint8): size of all metadata entries (key and value) |
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332 # |
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333 # - remaining bytes: the metadata, each (key, value) pair after the other. |
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334 _fm1version = 1 |
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335 _fm1fixed = b'>IdhHBBB' |
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336 _fm1nodesha1 = b'20s' |
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337 _fm1nodesha256 = b'32s' |
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338 _fm1nodesha1size = _calcsize(_fm1nodesha1) |
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339 _fm1nodesha256size = _calcsize(_fm1nodesha256) |
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340 _fm1fsize = _calcsize(_fm1fixed) |
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341 _fm1parentnone = 3 |
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342 _fm1metapair = b'BB' |
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343 _fm1metapairsize = _calcsize(_fm1metapair) |
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344 |
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345 |
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346 def _fm1purereadmarkers(data, off, stop): |
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347 # make some global constants local for performance |
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348 noneflag = _fm1parentnone |
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349 sha2flag = usingsha256 |
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350 sha1size = _fm1nodesha1size |
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351 sha2size = _fm1nodesha256size |
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352 sha1fmt = _fm1nodesha1 |
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353 sha2fmt = _fm1nodesha256 |
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354 metasize = _fm1metapairsize |
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355 metafmt = _fm1metapair |
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356 fsize = _fm1fsize |
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357 unpack = _unpack |
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358 |
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359 # Loop on markers |
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360 ufixed = struct.Struct(_fm1fixed).unpack |
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361 |
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362 while off < stop: |
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363 # read fixed part |
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364 o1 = off + fsize |
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365 t, secs, tz, flags, numsuc, numpar, nummeta = ufixed(data[off:o1]) |
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366 |
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367 if flags & sha2flag: |
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368 nodefmt = sha2fmt |
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369 nodesize = sha2size |
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370 else: |
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371 nodefmt = sha1fmt |
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372 nodesize = sha1size |
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373 |
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374 (prec,) = unpack(nodefmt, data[o1 : o1 + nodesize]) |
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375 o1 += nodesize |
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376 |
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377 # read 0 or more successors |
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378 if numsuc == 1: |
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379 o2 = o1 + nodesize |
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380 sucs = (data[o1:o2],) |
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381 else: |
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382 o2 = o1 + nodesize * numsuc |
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383 sucs = unpack(nodefmt * numsuc, data[o1:o2]) |
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384 |
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385 # read parents |
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386 if numpar == noneflag: |
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387 o3 = o2 |
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388 parents = None |
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389 elif numpar == 1: |
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390 o3 = o2 + nodesize |
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391 parents = (data[o2:o3],) |
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392 else: |
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393 o3 = o2 + nodesize * numpar |
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394 parents = unpack(nodefmt * numpar, data[o2:o3]) |
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395 |
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396 # read metadata |
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397 off = o3 + metasize * nummeta |
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398 metapairsize = unpack(b'>' + (metafmt * nummeta), data[o3:off]) |
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399 metadata = [] |
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400 for idx in range(0, len(metapairsize), 2): |
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401 o1 = off + metapairsize[idx] |
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402 o2 = o1 + metapairsize[idx + 1] |
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403 metadata.append((data[off:o1], data[o1:o2])) |
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404 off = o2 |
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405 |
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406 yield (prec, sucs, flags, tuple(metadata), (secs, tz * 60), parents) |
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407 |
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408 |
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409 def _fm1encodeonemarker(marker): |
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410 pre, sucs, flags, metadata, date, parents = marker |
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411 # determine node size |
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412 _fm1node = _fm1nodesha1 |
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413 if flags & usingsha256: |
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414 _fm1node = _fm1nodesha256 |
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415 numsuc = len(sucs) |
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416 numextranodes = 1 + numsuc |
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417 if parents is None: |
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418 numpar = _fm1parentnone |
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419 else: |
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420 numpar = len(parents) |
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421 numextranodes += numpar |
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422 formatnodes = _fm1node * numextranodes |
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423 formatmeta = _fm1metapair * len(metadata) |
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424 format = _fm1fixed + formatnodes + formatmeta |
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425 # tz is stored in minutes so we divide by 60 |
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426 tz = date[1] // 60 |
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427 data = [None, date[0], tz, flags, numsuc, numpar, len(metadata), pre] |
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428 data.extend(sucs) |
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429 if parents is not None: |
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430 data.extend(parents) |
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431 totalsize = _calcsize(format) |
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432 for key, value in metadata: |
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433 lk = len(key) |
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434 lv = len(value) |
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435 if lk > 255: |
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436 msg = ( |
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437 b'obsstore metadata key cannot be longer than 255 bytes' |
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438 b' (key "%s" is %u bytes)' |
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|
439 ) % (key, lk) |
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440 raise error.ProgrammingError(msg) |
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441 if lv > 255: |
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442 msg = ( |
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443 b'obsstore metadata value cannot be longer than 255 bytes' |
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444 b' (value "%s" for key "%s" is %u bytes)' |
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445 ) % (value, key, lv) |
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446 raise error.ProgrammingError(msg) |
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447 data.append(lk) |
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448 data.append(lv) |
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449 totalsize += lk + lv |
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450 data[0] = totalsize |
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451 data = [_pack(format, *data)] |
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452 for key, value in metadata: |
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453 data.append(key) |
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454 data.append(value) |
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455 return b''.join(data) |
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456 |
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457 |
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458 def _fm1readmarkers(data, off, stop): |
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459 native = getattr(parsers, 'fm1readmarkers', None) |
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460 if not native: |
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461 return _fm1purereadmarkers(data, off, stop) |
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462 return native(data, off, stop) |
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463 |
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464 |
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465 # mapping to read/write various marker formats |
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466 # <version> -> (decoder, encoder) |
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467 formats = { |
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468 _fm0version: (_fm0readmarkers, _fm0encodeonemarker), |
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469 _fm1version: (_fm1readmarkers, _fm1encodeonemarker), |
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470 } |
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471 |
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472 |
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473 def _readmarkerversion(data): |
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474 return _unpack(b'>B', data[0:1])[0] |
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475 |
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476 |
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477 @util.nogc |
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478 def _readmarkers(data, off=None, stop=None): |
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479 """Read and enumerate markers from raw data""" |
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480 diskversion = _readmarkerversion(data) |
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481 if not off: |
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482 off = 1 # skip 1 byte version number |
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483 if stop is None: |
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484 stop = len(data) |
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485 if diskversion not in formats: |
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486 msg = _(b'parsing obsolete marker: unknown version %r') % diskversion |
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487 raise error.UnknownVersion(msg, version=diskversion) |
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488 return diskversion, formats[diskversion][0](data, off, stop) |
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489 |
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490 |
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491 def encodeheader(version=_fm0version): |
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492 return _pack(b'>B', version) |
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493 |
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494 |
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495 def encodemarkers(markers, addheader=False, version=_fm0version): |
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496 # Kept separate from flushmarkers(), it will be reused for |
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497 # markers exchange. |
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498 encodeone = formats[version][1] |
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499 if addheader: |
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500 yield encodeheader(version) |
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501 for marker in markers: |
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502 yield encodeone(marker) |
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503 |
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504 |
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505 @util.nogc |
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506 def _addsuccessors(successors, markers): |
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507 for mark in markers: |
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508 successors.setdefault(mark[0], set()).add(mark) |
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509 |
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510 |
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511 @util.nogc |
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512 def _addpredecessors(predecessors, markers): |
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513 for mark in markers: |
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514 for suc in mark[1]: |
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515 predecessors.setdefault(suc, set()).add(mark) |
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516 |
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517 |
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518 @util.nogc |
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519 def _addchildren(children, markers): |
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520 for mark in markers: |
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521 parents = mark[5] |
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522 if parents is not None: |
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523 for p in parents: |
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524 children.setdefault(p, set()).add(mark) |
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525 |
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526 |
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527 def _checkinvalidmarkers(repo, markers): |
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528 """search for marker with invalid data and raise error if needed |
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529 |
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530 Exist as a separated function to allow the evolve extension for a more |
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531 subtle handling. |
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|
532 """ |
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|
533 for mark in markers: |
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|
534 if repo.nullid in mark[1]: |
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535 raise error.Abort( |
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536 _( |
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|
537 b'bad obsolescence marker detected: ' |
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538 b'invalid successors nullid' |
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539 ) |
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540 ) |
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541 |
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|
542 |
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543 class obsstore: |
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544 """Store obsolete markers |
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545 |
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546 Markers can be accessed with two mappings: |
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547 - predecessors[x] -> set(markers on predecessors edges of x) |
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548 - successors[x] -> set(markers on successors edges of x) |
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549 - children[x] -> set(markers on predecessors edges of children(x) |
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550 """ |
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551 |
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552 fields = (b'prec', b'succs', b'flag', b'meta', b'date', b'parents') |
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|
553 # prec: nodeid, predecessors changesets |
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554 # succs: tuple of nodeid, successor changesets (0-N length) |
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|
555 # flag: integer, flag field carrying modifier for the markers (see doc) |
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|
556 # meta: binary blob in UTF-8, encoded metadata dictionary |
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|
557 # date: (float, int) tuple, date of marker creation |
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|
558 # parents: (tuple of nodeid) or None, parents of predecessors |
22254
b8a0e8176693
obsstore: add a `parents` field
Pierre-Yves David <pierre-yves.david@fb.com>
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22253
diff
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|
559 # None is used when no data has been recorded |
22221
e75b1a3c1dbc
obsstore: add fields attribute to track each field in a marker
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22219
diff
changeset
|
560 |
46780
6266d19556ad
node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents:
46113
diff
changeset
|
561 def __init__(self, repo, svfs, defaultformat=_fm1version, readonly=False): |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
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|
562 # caches for various obsolescence related cache |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
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parents:
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|
563 self.caches = {} |
25669
8d94861842e5
obsolete: replace references to 'sopener' with 'svfs'
Siddharth Agarwal <sid0@fb.com>
parents:
25412
diff
changeset
|
564 self.svfs = svfs |
49424
360c156e1f81
obsstore: break the repo → obstore → repo loop
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|
565 self._repo = weakref.ref(repo) |
32691
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
parents:
32690
diff
changeset
|
566 self._defaultformat = defaultformat |
22950
bb8278b289ee
obsolete: add readonly flag to obstore constructor
Durham Goode <durham@fb.com>
parents:
22949
diff
changeset
|
567 self._readonly = readonly |
17070
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obsolete: introduction of obsolete markers
Pierre-Yves.David@ens-lyon.org
parents:
diff
changeset
|
568 |
49424
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obsstore: break the repo → obstore → repo loop
Pierre-Yves David <pierre-yves.david@octobus.net>
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diff
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|
569 @property |
360c156e1f81
obsstore: break the repo → obstore → repo loop
Pierre-Yves David <pierre-yves.david@octobus.net>
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|
570 def repo(self): |
360c156e1f81
obsstore: break the repo → obstore → repo loop
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|
571 r = self._repo() |
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obsstore: break the repo → obstore → repo loop
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parents:
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|
572 if r is None: |
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
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|
573 msg = "using the obsstore of a deallocated repo" |
360c156e1f81
obsstore: break the repo → obstore → repo loop
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parents:
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diff
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|
574 raise error.ProgrammingError(msg) |
360c156e1f81
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|
575 return r |
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parents:
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|
576 |
17073
3a79a5682af1
obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
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|
577 def __iter__(self): |
3a79a5682af1
obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
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17072
diff
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|
578 return iter(self._all) |
3a79a5682af1
obsolete: add easy way to iterate over obsolete marker object
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parents:
17072
diff
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|
579 |
20585
f3c8db3d6d66
obsstore: add a __len__ method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20584
diff
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|
580 def __len__(self): |
f3c8db3d6d66
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parents:
20584
diff
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|
581 return len(self._all) |
f3c8db3d6d66
obsstore: add a __len__ method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20584
diff
changeset
|
582 |
17075
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
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diff
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|
583 def __nonzero__(self): |
48789
ef50a62eec40
obsolete: don't use os.stat in repo.obsstore.__nonzero__ if it's static HTTP
Anton Shestakov <av6@dwimlabs.net>
parents:
48723
diff
changeset
|
584 from . import statichttprepo |
ef50a62eec40
obsolete: don't use os.stat in repo.obsstore.__nonzero__ if it's static HTTP
Anton Shestakov <av6@dwimlabs.net>
parents:
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diff
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|
585 |
ef50a62eec40
obsolete: don't use os.stat in repo.obsstore.__nonzero__ if it's static HTTP
Anton Shestakov <av6@dwimlabs.net>
parents:
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diff
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|
586 if isinstance(self.repo, statichttprepo.statichttprepository): |
ef50a62eec40
obsolete: don't use os.stat in repo.obsstore.__nonzero__ if it's static HTTP
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|
587 # If repo is accessed via static HTTP, then we can't use os.stat() |
ef50a62eec40
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parents:
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|
588 # to just peek at the file size. |
ef50a62eec40
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parents:
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|
589 return len(self._data) > 1 |
43506
9f70512ae2cf
cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents:
43240
diff
changeset
|
590 if not self._cached('_all'): |
26310
61efe9ef6ad4
obsstore: fast path to check if obsstore is empty
Yuya Nishihara <yuya@tcha.org>
parents:
26309
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|
591 try: |
43077
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Augie Fackler <augie@google.com>
parents:
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592 return self.svfs.stat(b'obsstore').st_size > 1 |
49306
2e726c934fcd
py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents:
49300
diff
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|
593 except FileNotFoundError: |
26310
61efe9ef6ad4
obsstore: fast path to check if obsstore is empty
Yuya Nishihara <yuya@tcha.org>
parents:
26309
diff
changeset
|
594 # just build an empty _all list if no obsstore exists, which |
61efe9ef6ad4
obsstore: fast path to check if obsstore is empty
Yuya Nishihara <yuya@tcha.org>
parents:
26309
diff
changeset
|
595 # avoids further stat() syscalls |
49306
2e726c934fcd
py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents:
49300
diff
changeset
|
596 pass |
17075
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
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parents:
17073
diff
changeset
|
597 return bool(self._all) |
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
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parents:
17073
diff
changeset
|
598 |
31476
413b44003462
py3: add __bool__ to every class defining __nonzero__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31018
diff
changeset
|
599 __bool__ = __nonzero__ |
413b44003462
py3: add __bool__ to every class defining __nonzero__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31018
diff
changeset
|
600 |
26684
74ff350c208c
obsstore: make the readonly attribute accessible
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parents:
26587
diff
changeset
|
601 @property |
74ff350c208c
obsstore: make the readonly attribute accessible
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
602 def readonly(self): |
74ff350c208c
obsstore: make the readonly attribute accessible
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diff
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|
603 """True if marker creation is disabled |
74ff350c208c
obsstore: make the readonly attribute accessible
Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
604 |
74ff350c208c
obsstore: make the readonly attribute accessible
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parents:
26587
diff
changeset
|
605 Remove me in the future when obsolete marker is always on.""" |
74ff350c208c
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parents:
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diff
changeset
|
606 return self._readonly |
74ff350c208c
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parents:
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diff
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|
607 |
43076
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parents:
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|
608 def create( |
2372284d9457
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|
609 self, |
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|
610 transaction, |
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diff
changeset
|
611 prec, |
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diff
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|
612 succs=(), |
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parents:
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diff
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|
613 flag=0, |
2372284d9457
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parents:
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diff
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|
614 parents=None, |
2372284d9457
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parents:
42217
diff
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|
615 date=None, |
2372284d9457
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diff
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|
616 metadata=None, |
2372284d9457
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parents:
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diff
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|
617 ui=None, |
2372284d9457
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parents:
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diff
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|
618 ): |
17071
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command: creation of obsolete marker
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parents:
17070
diff
changeset
|
619 """obsolete: add a new obsolete marker |
11f26e2669aa
command: creation of obsolete marker
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parents:
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diff
changeset
|
620 |
11f26e2669aa
command: creation of obsolete marker
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parents:
17070
diff
changeset
|
621 * ensuring it is hashable |
11f26e2669aa
command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents:
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diff
changeset
|
622 * check mandatory metadata |
11f26e2669aa
command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents:
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diff
changeset
|
623 * encode metadata |
20516
3af218cf2007
obsstore: update create docstring to point to the coder friendly function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20476
diff
changeset
|
624 |
3af218cf2007
obsstore: update create docstring to point to the coder friendly function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20476
diff
changeset
|
625 If you are a human writing code creating marker you want to use the |
3af218cf2007
obsstore: update create docstring to point to the coder friendly function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20476
diff
changeset
|
626 `createmarkers` function in this module instead. |
20584
224a058f7cd1
obsstore: `create` method return True if a marker is actually added
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20549
diff
changeset
|
627 |
224a058f7cd1
obsstore: `create` method return True if a marker is actually added
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20549
diff
changeset
|
628 return True if a new marker have been added, False if the markers |
224a058f7cd1
obsstore: `create` method return True if a marker is actually added
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20549
diff
changeset
|
629 already existed (no op). |
17071
11f26e2669aa
command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents:
17070
diff
changeset
|
630 """ |
45463
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
|
631 flag = int(flag) |
17071
11f26e2669aa
command: creation of obsolete marker
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diff
changeset
|
632 if metadata is None: |
11f26e2669aa
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parents:
17070
diff
changeset
|
633 metadata = {} |
22222
883e8b6bd461
obsmarker: add `date` as an explicit field
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22221
diff
changeset
|
634 if date is None: |
43077
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
635 if b'date' in metadata: |
22222
883e8b6bd461
obsmarker: add `date` as an explicit field
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22221
diff
changeset
|
636 # as a courtesy for out-of-tree extensions |
43077
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
637 date = dateutil.parsedate(metadata.pop(b'date')) |
32411
08d02c1d7e67
devel: use default-date config field when creating obsmarkers
Boris Feld <boris.feld@octobus.net>
parents:
32387
diff
changeset
|
638 elif ui is not None: |
43077
687b865b95ad
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parents:
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diff
changeset
|
639 date = ui.configdate(b'devel', b'default-date') |
32411
08d02c1d7e67
devel: use default-date config field when creating obsmarkers
Boris Feld <boris.feld@octobus.net>
parents:
32387
diff
changeset
|
640 if date is None: |
36607
c6061cadb400
util: extract all date-related utils in utils/dateutil module
Boris Feld <boris.feld@octobus.net>
parents:
36423
diff
changeset
|
641 date = dateutil.makedate() |
22222
883e8b6bd461
obsmarker: add `date` as an explicit field
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22221
diff
changeset
|
642 else: |
36607
c6061cadb400
util: extract all date-related utils in utils/dateutil module
Boris Feld <boris.feld@octobus.net>
parents:
36423
diff
changeset
|
643 date = dateutil.makedate() |
45463
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
|
644 if flag & usingsha256: |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
|
645 if len(prec) != 32: |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
|
646 raise ValueError(prec) |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
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parents:
44452
diff
changeset
|
647 for succ in succs: |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
|
648 if len(succ) != 32: |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
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|
649 raise ValueError(succ) |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
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diff
changeset
|
650 else: |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
|
651 if len(prec) != 20: |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
|
652 raise ValueError(prec) |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
|
653 for succ in succs: |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
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diff
changeset
|
654 if len(succ) != 20: |
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
|
655 raise ValueError(succ) |
22177
a56038e6a3c9
obsstore.create: add a simple safeguard against cyclic markers
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21166
diff
changeset
|
656 if prec in succs: |
49300
227124098e14
py3: use `x.hex()` instead of `pycompat.sysstr(node.hex(x))`
Manuel Jacob <me@manueljacob.de>
parents:
49284
diff
changeset
|
657 raise ValueError('in-marker cycle with %s' % prec.hex()) |
22845
ef880e28e56a
obsolete: store metadata as a tuple of (key, value) pairs (API)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22685
diff
changeset
|
658 |
48913
f254fc73d956
global: bulk replace simple pycompat.iteritems(x) with x.items()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
659 metadata = tuple(sorted(metadata.items())) |
38708
ff1182d166a2
obsolete: explode if metadata contains invalid UTF-8 sequence (API)
Yuya Nishihara <yuya@tcha.org>
parents:
38707
diff
changeset
|
660 for k, v in metadata: |
ff1182d166a2
obsolete: explode if metadata contains invalid UTF-8 sequence (API)
Yuya Nishihara <yuya@tcha.org>
parents:
38707
diff
changeset
|
661 try: |
ff1182d166a2
obsolete: explode if metadata contains invalid UTF-8 sequence (API)
Yuya Nishihara <yuya@tcha.org>
parents:
38707
diff
changeset
|
662 # might be better to reject non-ASCII keys |
ff1182d166a2
obsolete: explode if metadata contains invalid UTF-8 sequence (API)
Yuya Nishihara <yuya@tcha.org>
parents:
38707
diff
changeset
|
663 k.decode('utf-8') |
ff1182d166a2
obsolete: explode if metadata contains invalid UTF-8 sequence (API)
Yuya Nishihara <yuya@tcha.org>
parents:
38707
diff
changeset
|
664 v.decode('utf-8') |
ff1182d166a2
obsolete: explode if metadata contains invalid UTF-8 sequence (API)
Yuya Nishihara <yuya@tcha.org>
parents:
38707
diff
changeset
|
665 except UnicodeDecodeError: |
ff1182d166a2
obsolete: explode if metadata contains invalid UTF-8 sequence (API)
Yuya Nishihara <yuya@tcha.org>
parents:
38707
diff
changeset
|
666 raise error.ProgrammingError( |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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changeset
|
667 b'obsstore metadata must be valid UTF-8 sequence ' |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
668 b'(key = %r, value = %r)' |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42217
diff
changeset
|
669 % (pycompat.bytestr(k), pycompat.bytestr(v)) |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42217
diff
changeset
|
670 ) |
22845
ef880e28e56a
obsolete: store metadata as a tuple of (key, value) pairs (API)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22685
diff
changeset
|
671 |
45463
145cfe84d3e4
obsstore: refactor v1 logic to fix 32 byte hash support
Joerg Sonnenberger <joerg@bec.de>
parents:
44452
diff
changeset
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672 marker = (bytes(prec), tuple(succs), flag, metadata, date, parents) |
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673 return bool(self.add(transaction, [marker])) |
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674 |
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675 def add(self, transaction, markers): |
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676 """Add new markers to the store |
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677 |
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678 Take care of filtering duplicate. |
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679 Return the number of new marker.""" |
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680 if self._readonly: |
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681 raise error.Abort( |
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682 _(b'creating obsolete markers is not enabled on this repo') |
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683 ) |
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684 known = set() |
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685 getsuccessors = self.successors.get |
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686 new = [] |
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687 for m in markers: |
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688 if m not in getsuccessors(m[0], ()) and m not in known: |
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|
689 known.add(m) |
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|
690 new.append(m) |
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691 if new: |
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692 f = self.svfs(b'obsstore', b'ab') |
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|
693 try: |
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|
694 offset = f.tell() |
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|
695 transaction.add(b'obsstore', offset) |
17219
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|
696 # offset == 0: new file - add the version header |
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697 data = b''.join(encodemarkers(new, offset == 0, self._version)) |
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698 f.write(data) |
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699 finally: |
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700 # XXX: f.close() == filecache invalidation == obsstore rebuilt. |
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|
701 # call 'filecacheentry.refresh()' here |
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|
702 f.close() |
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|
703 addedmarkers = transaction.changes.get(b'obsmarkers') |
33251
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diff
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|
704 if addedmarkers is not None: |
a5cb2e4460de
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|
705 addedmarkers.update(new) |
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diff
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|
706 self._addmarkers(new, data) |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
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parents:
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|
707 # new marker *may* have changed several set. invalidate the cache. |
fb72eec7efd8
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|
708 self.caches.clear() |
22339
9680da73cfe0
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parents:
22335
diff
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|
709 # records the number of new markers for the transaction hooks |
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|
710 previous = int(transaction.hookargs.get(b'new_obsmarkers', b'0')) |
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|
711 transaction.hookargs[b'new_obsmarkers'] = b'%d' % (previous + len(new)) |
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|
712 return len(new) |
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|
713 |
17524 | 714 def mergemarkers(self, transaction, data): |
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3363f2d36015
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parents:
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diff
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|
715 """merge a binary stream of markers inside the obsstore |
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diff
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|
716 |
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parents:
22309
diff
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|
717 Returns the number of new markers added.""" |
22332
13e22358e9d2
obsolete: have _readmarkers return the format version
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22331
diff
changeset
|
718 version, markers = _readmarkers(data) |
22325
3363f2d36015
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
719 return self.add(transaction, markers) |
17070
ad0d6c2b3279
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diff
changeset
|
720 |
24046
6e1d9f9932a9
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parents:
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diff
changeset
|
721 @propertycache |
32690
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parents:
32689
diff
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|
722 def _data(self): |
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parents:
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|
723 return self.svfs.tryread(b'obsstore') |
32690
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Jun Wu <quark@fb.com>
parents:
32689
diff
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|
724 |
3fad59faba8a
obsstore: separate marker parsing from obsstore reading
Jun Wu <quark@fb.com>
parents:
32689
diff
changeset
|
725 @propertycache |
32691
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
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32690
diff
changeset
|
726 def _version(self): |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
parents:
32690
diff
changeset
|
727 if len(self._data) >= 1: |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
parents:
32690
diff
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|
728 return _readmarkerversion(self._data) |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
parents:
32690
diff
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|
729 else: |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
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32690
diff
changeset
|
730 return self._defaultformat |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
parents:
32690
diff
changeset
|
731 |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
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32690
diff
changeset
|
732 @propertycache |
26309
44918682093f
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parents:
26308
diff
changeset
|
733 def _all(self): |
32690
3fad59faba8a
obsstore: separate marker parsing from obsstore reading
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parents:
32689
diff
changeset
|
734 data = self._data |
26309
44918682093f
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parents:
26308
diff
changeset
|
735 if not data: |
44918682093f
obsstore: delay loading markers from obsstore file
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parents:
26308
diff
changeset
|
736 return [] |
44918682093f
obsstore: delay loading markers from obsstore file
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parents:
26308
diff
changeset
|
737 self._version, markers = _readmarkers(data) |
44918682093f
obsstore: delay loading markers from obsstore file
Yuya Nishihara <yuya@tcha.org>
parents:
26308
diff
changeset
|
738 markers = list(markers) |
47012
d55b71393907
node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents:
46780
diff
changeset
|
739 _checkinvalidmarkers(self.repo, markers) |
26309
44918682093f
obsstore: delay loading markers from obsstore file
Yuya Nishihara <yuya@tcha.org>
parents:
26308
diff
changeset
|
740 return markers |
44918682093f
obsstore: delay loading markers from obsstore file
Yuya Nishihara <yuya@tcha.org>
parents:
26308
diff
changeset
|
741 |
44918682093f
obsstore: delay loading markers from obsstore file
Yuya Nishihara <yuya@tcha.org>
parents:
26308
diff
changeset
|
742 @propertycache |
24046
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
743 def successors(self): |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
744 successors = {} |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
745 _addsuccessors(successors, self._all) |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
746 return successors |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
747 |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
748 @propertycache |
33733
d5acd967f95a
obsstore: rename precursors into predecessors
Boris Feld <boris.feld@octobus.net>
parents:
33732
diff
changeset
|
749 def predecessors(self): |
33732
32d4f815c4f4
obsolete: rename _addprecursors into _addpredecessors
Boris Feld <boris.feld@octobus.net>
parents:
33719
diff
changeset
|
750 predecessors = {} |
32d4f815c4f4
obsolete: rename _addprecursors into _addpredecessors
Boris Feld <boris.feld@octobus.net>
parents:
33719
diff
changeset
|
751 _addpredecessors(predecessors, self._all) |
32d4f815c4f4
obsolete: rename _addprecursors into _addpredecessors
Boris Feld <boris.feld@octobus.net>
parents:
33719
diff
changeset
|
752 return predecessors |
24046
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
753 |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
754 @propertycache |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
755 def children(self): |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
756 children = {} |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
757 _addchildren(children, self._all) |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
758 return children |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
759 |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
760 def _cached(self, attr): |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
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parents:
24045
diff
changeset
|
761 return attr in self.__dict__ |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
762 |
33479
8b48dad66be4
obsstore: keep self._data updated with _addmarkers
Jun Wu <quark@fb.com>
parents:
33273
diff
changeset
|
763 def _addmarkers(self, markers, rawdata): |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42217
diff
changeset
|
764 markers = list(markers) # to allow repeated iteration |
33479
8b48dad66be4
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Jun Wu <quark@fb.com>
parents:
33273
diff
changeset
|
765 self._data = self._data + rawdata |
24044
e0e6dd806b23
obsolete: extract helpers from _load()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24019
diff
changeset
|
766 self._all.extend(markers) |
43506
9f70512ae2cf
cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents:
43240
diff
changeset
|
767 if self._cached('successors'): |
24046
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
768 _addsuccessors(self.successors, markers) |
43506
9f70512ae2cf
cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents:
43240
diff
changeset
|
769 if self._cached('predecessors'): |
33733
d5acd967f95a
obsstore: rename precursors into predecessors
Boris Feld <boris.feld@octobus.net>
parents:
33732
diff
changeset
|
770 _addpredecessors(self.predecessors, markers) |
43506
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cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents:
43240
diff
changeset
|
771 if self._cached('children'): |
24046
6e1d9f9932a9
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Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
772 _addchildren(self.children, markers) |
47012
d55b71393907
node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents:
46780
diff
changeset
|
773 _checkinvalidmarkers(self.repo, markers) |
23973
18d431147cc1
obsstore: make the invalid markers check wrap-able
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23805
diff
changeset
|
774 |
22271
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
775 def relevantmarkers(self, nodes): |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
776 """return a set of all obsolescence markers relevant to a set of nodes. |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
777 |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
778 "relevant" to a set of nodes mean: |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
779 |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
780 - marker that use this changeset as successor |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
781 - prune marker of direct children on this changeset |
33734
0c3112f17610
obsolete: rename precursor into predecessor in obsolete docstrings
Boris Feld <boris.feld@octobus.net>
parents:
33733
diff
changeset
|
782 - recursive application of the two rules on predecessors of these |
0c3112f17610
obsolete: rename precursor into predecessor in obsolete docstrings
Boris Feld <boris.feld@octobus.net>
parents:
33733
diff
changeset
|
783 markers |
22271
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
784 |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
785 It is a set so you cannot rely on order.""" |
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786 |
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787 pendingnodes = set(nodes) |
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788 seenmarkers = set() |
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789 seennodes = set(pendingnodes) |
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790 precursorsmarkers = self.predecessors |
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791 succsmarkers = self.successors |
22271
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792 children = self.children |
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793 while pendingnodes: |
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794 direct = set() |
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|
795 for current in pendingnodes: |
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|
796 direct.update(precursorsmarkers.get(current, ())) |
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797 pruned = [m for m in children.get(current, ()) if not m[1]] |
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798 direct.update(pruned) |
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|
799 pruned = [m for m in succsmarkers.get(current, ()) if not m[1]] |
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|
800 direct.update(pruned) |
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801 direct -= seenmarkers |
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|
802 pendingnodes = {m[0] for m in direct} |
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803 seenmarkers |= direct |
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804 pendingnodes -= seennodes |
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|
805 seennodes |= pendingnodes |
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|
806 return seenmarkers |
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|
807 |
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808 |
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809 def makestore(ui, repo): |
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810 """Create an obsstore instance from a repo.""" |
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811 # read default format for new obsstore. |
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812 # developer config: format.obsstore-version |
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813 defaultformat = ui.configint(b'format', b'obsstore-version') |
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814 # rely on obsstore class default when possible. |
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815 kwargs = {} |
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|
816 if defaultformat is not None: |
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|
817 kwargs['defaultformat'] = defaultformat |
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818 readonly = not isenabled(repo, createmarkersopt) |
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Joerg Sonnenberger <joerg@bec.de>
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819 store = obsstore(repo, repo.svfs, readonly=readonly, **kwargs) |
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820 if store and readonly: |
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821 ui.warn( |
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822 _(b'obsolete feature not enabled but %i markers found!\n') |
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823 % len(list(store)) |
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|
824 ) |
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|
825 return store |
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826 |
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827 |
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|
828 def commonversion(versions): |
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829 """Return the newest version listed in both versions and our local formats. |
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830 |
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|
831 Returns None if no common version exists. |
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|
832 """ |
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|
833 versions.sort(reverse=True) |
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|
834 # search for highest version known on both side |
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|
835 for v in versions: |
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|
836 if v in formats: |
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|
837 return v |
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|
838 return None |
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839 |
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840 |
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|
841 # arbitrary picked to fit into 8K limit from HTTP server |
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842 # you have to take in account: |
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|
843 # - the version header |
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844 # - the base85 encoding |
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845 _maxpayload = 5300 |
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846 |
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847 |
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|
848 def _pushkeyescape(markers): |
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849 """encode markers into a dict suitable for pushkey exchange |
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|
850 |
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|
851 - binary data is base85 encoded |
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|
852 - split in chunks smaller than 5300 bytes""" |
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853 keys = {} |
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854 parts = [] |
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855 currentlen = _maxpayload * 2 # ensure we create a new part |
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|
856 for marker in markers: |
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|
857 nextdata = _fm0encodeonemarker(marker) |
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858 if len(nextdata) + currentlen > _maxpayload: |
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859 currentpart = [] |
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860 currentlen = 0 |
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861 parts.append(currentpart) |
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862 currentpart.append(nextdata) |
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|
863 currentlen += len(nextdata) |
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|
864 for idx, part in enumerate(reversed(parts)): |
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865 data = b''.join([_pack(b'>B', _fm0version)] + part) |
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866 keys[b'dump%i' % idx] = util.b85encode(data) |
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867 return keys |
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868 |
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869 |
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870 def listmarkers(repo): |
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871 """List markers over pushkey""" |
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872 if not repo.obsstore: |
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873 return {} |
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874 return _pushkeyescape(sorted(repo.obsstore)) |
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875 |
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|
876 |
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|
877 def pushmarker(repo, key, old, new): |
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878 """Push markers over pushkey""" |
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879 if not key.startswith(b'dump'): |
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880 repo.ui.warn(_(b'unknown key: %r') % key) |
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|
881 return False |
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882 if old: |
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883 repo.ui.warn(_(b'unexpected old value for %r') % key) |
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|
884 return False |
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|
885 data = util.b85decode(new) |
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886 with repo.lock(), repo.transaction(b'pushkey: obsolete markers') as tr: |
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|
887 repo.obsstore.mergemarkers(tr, data) |
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|
888 repo.invalidatevolatilesets() |
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889 return True |
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890 |
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891 |
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|
892 # mapping of 'set-name' -> <function to compute this set> |
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|
893 cachefuncs = {} |
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894 |
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895 |
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896 def cachefor(name): |
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|
897 """Decorator to register a function as computing the cache for a set""" |
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2372284d9457
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Augie Fackler <augie@google.com>
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42217
diff
changeset
|
898 |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
899 def decorator(func): |
32884
9d472b219fb0
obsolete: use ProgrammingError over assert for volatile set registration
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
32822
diff
changeset
|
900 if name in cachefuncs: |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
901 msg = b"duplicated registration for volatileset '%s' (existing: %r)" |
32884
9d472b219fb0
obsolete: use ProgrammingError over assert for volatile set registration
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
32822
diff
changeset
|
902 raise error.ProgrammingError(msg % (name, cachefuncs[name])) |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
903 cachefuncs[name] = func |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
904 return func |
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Augie Fackler <augie@google.com>
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diff
changeset
|
905 |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
906 return decorator |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
907 |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42217
diff
changeset
|
908 |
17825
3cc06457f15e
obsolete: rename `getobscache` into `getrevs`
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17776
diff
changeset
|
909 def getrevs(repo, name): |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
910 """Return the set of revision that belong to the <name> set |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
911 |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
912 Such access may compute the set and cache it for future use""" |
18001
e02feadd15ea
clfilter: unfilter computation of obsolescence related computation
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17831
diff
changeset
|
913 repo = repo.unfiltered() |
43240
4353942be294
tracing: add a couple of trace points on obsolete and repoview
Augie Fackler <augie@google.com>
parents:
43117
diff
changeset
|
914 with util.timedcm('getrevs %s', name): |
4353942be294
tracing: add a couple of trace points on obsolete and repoview
Augie Fackler <augie@google.com>
parents:
43117
diff
changeset
|
915 if not repo.obsstore: |
4353942be294
tracing: add a couple of trace points on obsolete and repoview
Augie Fackler <augie@google.com>
parents:
43117
diff
changeset
|
916 return frozenset() |
4353942be294
tracing: add a couple of trace points on obsolete and repoview
Augie Fackler <augie@google.com>
parents:
43117
diff
changeset
|
917 if name not in repo.obsstore.caches: |
4353942be294
tracing: add a couple of trace points on obsolete and repoview
Augie Fackler <augie@google.com>
parents:
43117
diff
changeset
|
918 repo.obsstore.caches[name] = cachefuncs[name](repo) |
4353942be294
tracing: add a couple of trace points on obsolete and repoview
Augie Fackler <augie@google.com>
parents:
43117
diff
changeset
|
919 return repo.obsstore.caches[name] |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
920 |
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diff
changeset
|
921 |
17469
fb72eec7efd8
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
922 # To be simple we need to invalidate obsolescence cache when: |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
923 # |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
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parents:
17429
diff
changeset
|
924 # - new changeset is added: |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
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parents:
17429
diff
changeset
|
925 # - public phase is changed |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
926 # - obsolescence marker are added |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
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parents:
17429
diff
changeset
|
927 # - strip is used a repo |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
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parents:
17429
diff
changeset
|
928 def clearobscaches(repo): |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
929 """Remove all obsolescence related cache from a repo |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
930 |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
931 This remove all cache in obsstore is the obsstore already exist on the |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
932 repo. |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
933 |
fb72eec7efd8
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
934 (We could be smarter here given the exact event that trigger the cache |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
935 clearing)""" |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
936 # only clear cache is there is obsstore data in this repo |
43077
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parents:
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diff
changeset
|
937 if b'obsstore' in repo._filecache: |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
938 repo.obsstore.caches.clear() |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
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parents:
17429
diff
changeset
|
939 |
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parents:
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diff
changeset
|
940 |
33129
765c6ab07a88
obsolete: provide a small function to retrieve all mutable revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32884
diff
changeset
|
941 def _mutablerevs(repo): |
765c6ab07a88
obsolete: provide a small function to retrieve all mutable revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32884
diff
changeset
|
942 """the set of mutable revision in the repository""" |
38157
02f992ac26e9
phases: define an official tuple of mutable phases
Boris Feld <boris.feld@octobus.net>
parents:
37131
diff
changeset
|
943 return repo._phasecache.getrevset(repo, phases.mutablephases) |
33129
765c6ab07a88
obsolete: provide a small function to retrieve all mutable revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32884
diff
changeset
|
944 |
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|
945 |
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parents:
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diff
changeset
|
946 @cachefor(b'obsolete') |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
947 def _computeobsoleteset(repo): |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
948 """the set of obsolete revisions""" |
27784
432242f41d9f
obsolete: make _computeobsoleteset much faster
Laurent Charignon <lc2817@columbia.edu>
parents:
27332
diff
changeset
|
949 getnode = repo.changelog.node |
33129
765c6ab07a88
obsolete: provide a small function to retrieve all mutable revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32884
diff
changeset
|
950 notpublic = _mutablerevs(repo) |
32688
2c1400d43fd2
obsstore: minor optimization for the obsolete revset
Jun Wu <quark@fb.com>
parents:
32627
diff
changeset
|
951 isobs = repo.obsstore.successors.__contains__ |
48723
27fe84a8dd60
obsolete: always return frozensets from obsolete.getrevs()
Anton Shestakov <av6@dwimlabs.net>
parents:
48695
diff
changeset
|
952 return frozenset(r for r in notpublic if isobs(getnode(r))) |
17469
fb72eec7efd8
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parents:
17429
diff
changeset
|
953 |
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diff
changeset
|
954 |
43077
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parents:
43076
diff
changeset
|
955 @cachefor(b'orphan') |
33777
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
956 def _computeorphanset(repo): |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
957 """the set of non obsolete revisions with obsolete parents""" |
33130
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
958 pfunc = repo.changelog.parentrevs |
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
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33129
diff
changeset
|
959 mutable = _mutablerevs(repo) |
43077
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diff
changeset
|
960 obsolete = getrevs(repo, b'obsolete') |
33130
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
961 others = mutable - obsolete |
24928
876a2ebfbf4f
obsolete: speed up unstable computation
Laurent Charignon <lcharignon@fb.com>
parents:
24927
diff
changeset
|
962 unstable = set() |
33130
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
963 for r in sorted(others): |
24928
876a2ebfbf4f
obsolete: speed up unstable computation
Laurent Charignon <lcharignon@fb.com>
parents:
24927
diff
changeset
|
964 # A rev is unstable if one of its parent is obsolete or unstable |
876a2ebfbf4f
obsolete: speed up unstable computation
Laurent Charignon <lcharignon@fb.com>
parents:
24927
diff
changeset
|
965 # this works since we traverse following growing rev order |
33130
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
966 for p in pfunc(r): |
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
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parents:
33129
diff
changeset
|
967 if p in obsolete or p in unstable: |
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
968 unstable.add(r) |
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
969 break |
48723
27fe84a8dd60
obsolete: always return frozensets from obsolete.getrevs()
Anton Shestakov <av6@dwimlabs.net>
parents:
48695
diff
changeset
|
970 return frozenset(unstable) |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
971 |
43076
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diff
changeset
|
972 |
43077
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parents:
43076
diff
changeset
|
973 @cachefor(b'suspended') |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
974 def _computesuspendedset(repo): |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
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parents:
17429
diff
changeset
|
975 """the set of obsolete parents with non obsolete descendants""" |
43077
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parents:
43076
diff
changeset
|
976 suspended = repo.changelog.ancestors(getrevs(repo, b'orphan')) |
48723
27fe84a8dd60
obsolete: always return frozensets from obsolete.getrevs()
Anton Shestakov <av6@dwimlabs.net>
parents:
48695
diff
changeset
|
977 return frozenset(r for r in getrevs(repo, b'obsolete') if r in suspended) |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
978 |
43076
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parents:
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diff
changeset
|
979 |
43077
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parents:
43076
diff
changeset
|
980 @cachefor(b'extinct') |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
981 def _computeextinctset(repo): |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
982 """the set of obsolete parents without non obsolete descendants""" |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
983 return getrevs(repo, b'obsolete') - getrevs(repo, b'suspended') |
17474
f85816af6294
obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17469
diff
changeset
|
984 |
43076
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42217
diff
changeset
|
985 |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
986 @cachefor(b'phasedivergent') |
33779
9fa874fb34e1
obsolete: rename bumped volatile set into phasedivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33778
diff
changeset
|
987 def _computephasedivergentset(repo): |
17828
9495be4126ef
obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17827
diff
changeset
|
988 """the set of revs trying to obsolete public revisions""" |
20207
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
989 bumped = set() |
21024
7731a2281cf0
spelling: fixes from spell checker
Mads Kiilerich <madski@unity3d.com>
parents:
20599
diff
changeset
|
990 # util function (avoid attribute lookup in the loop) |
43076
2372284d9457
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parents:
42217
diff
changeset
|
991 phase = repo._phasecache.phase # would be faster to grab the full list |
20207
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
992 public = phases.public |
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
993 cl = repo.changelog |
43558
1542773ffa5d
index: use `index.get_rev` in `obsolete._computephasedivergentset`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43506
diff
changeset
|
994 torev = cl.index.get_rev |
35136
82680919d75e
obsolete: drop usage of changectx in '_computephasedivergentset'
Boris Feld <boris.feld@octobus.net>
parents:
34902
diff
changeset
|
995 tonode = cl.node |
40462
6e2a24550b7e
obsolete: prefetch the repo.obsstore used in phasedivergence loop
Boris Feld <boris.feld@octobus.net>
parents:
40255
diff
changeset
|
996 obsstore = repo.obsstore |
43077
687b865b95ad
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parents:
43076
diff
changeset
|
997 for rev in repo.revs(b'(not public()) and (not obsolete())'): |
20207
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
998 # We only evaluate mutable, non-obsolete revision |
35136
82680919d75e
obsolete: drop usage of changectx in '_computephasedivergentset'
Boris Feld <boris.feld@octobus.net>
parents:
34902
diff
changeset
|
999 node = tonode(rev) |
33734
0c3112f17610
obsolete: rename precursor into predecessor in obsolete docstrings
Boris Feld <boris.feld@octobus.net>
parents:
33733
diff
changeset
|
1000 # (future) A cache of predecessors may worth if split is very common |
43076
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42217
diff
changeset
|
1001 for pnode in obsutil.allpredecessors( |
2372284d9457
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42217
diff
changeset
|
1002 obsstore, [node], ignoreflags=bumpedfix |
2372284d9457
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diff
changeset
|
1003 ): |
2372284d9457
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1004 prev = torev(pnode) # unfiltered! but so is phasecache |
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1005 if (prev is not None) and (phase(repo, prev) <= public): |
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1006 # we have a public predecessor |
24927
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|
1007 bumped.add(rev) |
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1008 break # Next draft! |
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|
1009 return frozenset(bumped) |
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|
1010 |
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1011 |
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1012 @cachefor(b'contentdivergent') |
33778
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|
1013 def _computecontentdivergentset(repo): |
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|
1014 """the set of rev that compete to be the final successors of some revision.""" |
18070
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1015 divergent = set() |
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1016 obsstore = repo.obsstore |
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1017 newermap = {} |
35137
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1018 tonode = repo.changelog.node |
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1019 for rev in repo.revs(b'(not public()) - obsolete()'): |
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1020 node = tonode(rev) |
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1021 mark = obsstore.predecessors.get(node, ()) |
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|
1022 toprocess = set(mark) |
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|
1023 seen = set() |
18070
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|
1024 while toprocess: |
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1025 prec = toprocess.pop()[0] |
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1026 if prec in seen: |
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1027 continue # emergency cycle hanging prevention |
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|
1028 seen.add(prec) |
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1029 if prec not in newermap: |
33273
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|
1030 obsutil.successorssets(repo, prec, cache=newermap) |
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1031 newer = [n for n in newermap[prec] if n] |
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1032 if len(newer) > 1: |
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|
1033 divergent.add(rev) |
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|
1034 break |
33733
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|
1035 toprocess.update(obsstore.predecessors.get(prec, ())) |
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|
1036 return frozenset(divergent) |
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|
1037 |
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|
1038 |
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|
1039 def makefoldid(relation, user): |
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|
1040 |
44060
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|
1041 folddigest = hashutil.sha1(user) |
40042
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|
1042 for p in relation[0] + relation[1]: |
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1043 folddigest.update(b'%d' % p.rev()) |
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|
1044 folddigest.update(p.node()) |
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|
1045 # Since fold only has to compete against fold for the same successors, it |
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|
1046 # seems fine to use a small ID. Smaller ID save space. |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
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|
1047 return hex(folddigest.digest())[:8] |
18070
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|
1048 |
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|
1049 |
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|
1050 def createmarkers( |
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1051 repo, relations, flag=0, date=None, metadata=None, operation=None |
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1052 ): |
17474
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|
1053 """Add obsolete markers between changesets in a repo |
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|
1054 |
39922
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diff
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|
1055 <relations> must be an iterable of ((<old>,...), (<new>, ...)[,{metadata}]) |
21024
7731a2281cf0
spelling: fixes from spell checker
Mads Kiilerich <madski@unity3d.com>
parents:
20599
diff
changeset
|
1056 tuple. `old` and `news` are changectx. metadata is an optional dictionary |
20517
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diff
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|
1057 containing metadata for this marker only. It is merged with the global |
38707
6b5ca1d0aa1e
obsolete: store user name and note in UTF-8 (issue5754) (BC)
Yuya Nishihara <yuya@tcha.org>
parents:
38157
diff
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|
1058 metadata specified through the `metadata` argument of this function. |
6b5ca1d0aa1e
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|
1059 Any string values in metadata must be UTF-8 bytes. |
17474
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|
1060 |
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|
1061 Trying to obsolete a public changeset will raise an exception. |
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|
1062 |
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|
1063 Current user and date are used except if specified otherwise in the |
f85816af6294
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|
1064 metadata attribute. |
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diff
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|
1065 |
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|
1066 This function operates within a transaction of its own, but does |
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|
1067 not take any lock on the repo. |
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|
1068 """ |
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|
1069 # prepare metadata |
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|
1070 if metadata is None: |
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|
1071 metadata = {} |
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1072 if b'user' not in metadata: |
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|
1073 luser = ( |
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|
1074 repo.ui.config(b'devel', b'user.obsmarker') or repo.ui.username() |
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|
1075 ) |
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|
1076 metadata[b'user'] = encoding.fromlocal(luser) |
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|
1077 |
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|
1078 # Operation metadata handling |
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1079 useoperation = repo.ui.configbool( |
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|
1080 b'experimental', b'evolution.track-operation' |
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|
1081 ) |
32354
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|
1082 if useoperation and operation: |
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|
1083 metadata[b'operation'] = operation |
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|
1084 |
34413
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34407
diff
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|
1085 # Effect flag metadata handling |
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|
1086 saveeffectflag = repo.ui.configbool( |
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1087 b'experimental', b'evolution.effect-flags' |
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|
1088 ) |
34413
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|
1089 |
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|
1090 with repo.transaction(b'add-obsolescence-marker') as tr: |
27984
e60e13a86529
obsolete: fix n^2 marker computation behavior
Durham Goode <durham@fb.com>
parents:
27784
diff
changeset
|
1091 markerargs = [] |
20517
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|
1092 for rel in relations: |
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|
1093 predecessors = rel[0] |
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|
1094 if not isinstance(predecessors, tuple): |
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|
1095 # preserve compat with old API until all caller are migrated |
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|
1096 predecessors = (predecessors,) |
40029
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|
1097 if len(predecessors) > 1 and len(rel[1]) != 1: |
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|
1098 msg = b'Fold markers can only have 1 successors, not %d' |
39922
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|
1099 raise error.ProgrammingError(msg % len(rel[1])) |
40042
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|
1100 foldid = None |
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|
1101 foldsize = len(predecessors) |
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|
1102 if 1 < foldsize: |
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1103 foldid = makefoldid(rel, metadata[b'user']) |
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|
1104 for foldidx, prec in enumerate(predecessors, 1): |
39921
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39920
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|
1105 sucs = rel[1] |
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|
1106 localmetadata = metadata.copy() |
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|
1107 if len(rel) > 2: |
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|
1108 localmetadata.update(rel[2]) |
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|
1109 if foldid is not None: |
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1110 localmetadata[b'fold-id'] = foldid |
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1111 localmetadata[b'fold-idx'] = b'%d' % foldidx |
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1112 localmetadata[b'fold-size'] = b'%d' % foldsize |
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1113 |
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1114 if not prec.mutable(): |
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1115 raise error.Abort( |
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1116 _(b"cannot obsolete public changeset: %s") % prec, |
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1117 hint=b"see 'hg help phases' for details", |
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1118 ) |
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1119 nprec = prec.node() |
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1120 nsucs = tuple(s.node() for s in sucs) |
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1121 npare = None |
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1122 if not nsucs: |
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1123 npare = tuple(p.node() for p in prec.parents()) |
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1124 if nprec in nsucs: |
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1125 raise error.Abort( |
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1126 _(b"changeset %s cannot obsolete itself") % prec |
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1127 ) |
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1128 |
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1129 # Effect flag can be different by relation |
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1130 if saveeffectflag: |
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1131 # The effect flag is saved in a versioned field name for |
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1132 # future evolution |
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1133 effectflag = obsutil.geteffectflag(prec, sucs) |
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1134 localmetadata[obsutil.EFFECTFLAGFIELD] = b"%d" % effectflag |
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1135 |
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1136 # Creating the marker causes the hidden cache to become |
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1137 # invalid, which causes recomputation when we ask for |
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1138 # prec.parents() above. Resulting in n^2 behavior. So let's |
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1139 # prepare all of the args first, then create the markers. |
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1140 markerargs.append((nprec, nsucs, npare, localmetadata)) |
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1141 |
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1142 for args in markerargs: |
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1143 nprec, nsucs, npare, localmetadata = args |
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1144 repo.obsstore.create( |
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1145 tr, |
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1146 nprec, |
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1147 nsucs, |
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1148 flag, |
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1149 parents=npare, |
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1150 date=date, |
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1151 metadata=localmetadata, |
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1152 ui=repo.ui, |
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1153 ) |
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1154 repo.filteredrevcache.clear() |