Mercurial > hg
annotate mercurial/obsolete.py @ 33822:42ad7cc645a4
copies: add more details to the documentation of mergecopies()
This documentation is very helpful for any developer to understand what
copytracing is and what the function does. Since this is the main function of
doing copytracing, I have also included bits about copytracing in it.
This additions are picked from a doc by Stash@Fb. So thanks to him.
Differential Revision: https://phab.mercurial-scm.org/D409
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Wed, 16 Aug 2017 00:25:20 +0530 |
parents | 9fa874fb34e1 |
children | 6b724caa878d |
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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 from __future__ import absolute_import |
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71 |
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72 import errno |
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73 import struct |
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74 |
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75 from .i18n import _ |
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76 from . import ( |
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77 error, |
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78 node, |
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79 obsutil, |
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80 phases, |
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81 policy, |
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82 util, |
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83 ) |
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84 |
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85 parsers = policy.importmod(r'parsers') |
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86 |
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87 _pack = struct.pack |
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88 _unpack = struct.unpack |
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89 _calcsize = struct.calcsize |
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90 propertycache = util.propertycache |
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91 |
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92 # the obsolete feature is not mature enough to be enabled by default. |
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93 # you have to rely on third party extension extension to enable this. |
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94 _enabled = False |
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95 |
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96 # Options for obsolescence |
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97 createmarkersopt = 'createmarkers' |
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98 allowunstableopt = 'allowunstable' |
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99 exchangeopt = 'exchange' |
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100 |
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101 def isenabled(repo, option): |
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102 """Returns True if the given repository has the given obsolete option |
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103 enabled. |
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104 """ |
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105 result = set(repo.ui.configlist('experimental', 'stabilization')) |
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106 if 'all' in result: |
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107 return True |
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108 |
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109 # For migration purposes, temporarily return true if the config hasn't been |
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110 # set but _enabled is true. |
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111 if len(result) == 0 and _enabled: |
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112 return True |
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113 |
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114 # createmarkers must be enabled if other options are enabled |
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115 if ((allowunstableopt in result or exchangeopt in result) and |
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116 not createmarkersopt in result): |
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117 raise error.Abort(_("'createmarkers' obsolete option must be enabled " |
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118 "if other obsolete options are enabled")) |
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119 |
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120 return option in result |
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121 |
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122 ### obsolescence marker flag |
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123 |
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124 ## bumpedfix flag |
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125 # |
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126 # When a changeset A' succeed to a changeset A which became public, we call A' |
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127 # "bumped" because it's a successors of a public changesets |
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128 # |
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129 # o A' (bumped) |
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130 # |`: |
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131 # | o A |
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132 # |/ |
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133 # o Z |
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134 # |
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135 # The way to solve this situation is to create a new changeset Ad as children |
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136 # of A. This changeset have the same content than A'. So the diff from A to A' |
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137 # is the same than the diff from A to Ad. Ad is marked as a successors of A' |
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138 # |
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139 # o Ad |
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140 # |`: |
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141 # | x A' |
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142 # |'| |
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143 # o | A |
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144 # |/ |
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145 # o Z |
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146 # |
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147 # But by transitivity Ad is also a successors of A. To avoid having Ad marked |
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148 # as bumped too, we add the `bumpedfix` flag to the marker. <A', (Ad,)>. |
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149 # This flag mean that the successors express the changes between the public and |
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150 # bumped version and fix the situation, breaking the transitivity of |
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151 # "bumped" here. |
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152 bumpedfix = 1 |
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153 usingsha256 = 2 |
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154 |
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155 ## Parsing and writing of version "0" |
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156 # |
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157 # The header is followed by the markers. Each marker is made of: |
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158 # |
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159 # - 1 uint8 : number of new changesets "N", can be zero. |
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160 # |
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161 # - 1 uint32: metadata size "M" in bytes. |
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162 # |
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163 # - 1 byte: a bit field. It is reserved for flags used in common |
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164 # obsolete marker operations, to avoid repeated decoding of metadata |
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165 # entries. |
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166 # |
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167 # - 20 bytes: obsoleted changeset identifier. |
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168 # |
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169 # - N*20 bytes: new changesets identifiers. |
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170 # |
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171 # - M bytes: metadata as a sequence of nul-terminated strings. Each |
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172 # string contains a key and a value, separated by a colon ':', without |
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173 # additional encoding. Keys cannot contain '\0' or ':' and values |
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174 # cannot contain '\0'. |
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175 _fm0version = 0 |
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176 _fm0fixed = '>BIB20s' |
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177 _fm0node = '20s' |
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178 _fm0fsize = _calcsize(_fm0fixed) |
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179 _fm0fnodesize = _calcsize(_fm0node) |
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180 |
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181 def _fm0readmarkers(data, off, stop): |
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182 # Loop on markers |
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183 while off < stop: |
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184 # read fixed part |
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185 cur = data[off:off + _fm0fsize] |
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186 off += _fm0fsize |
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187 numsuc, mdsize, flags, pre = _unpack(_fm0fixed, cur) |
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188 # read replacement |
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189 sucs = () |
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190 if numsuc: |
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191 s = (_fm0fnodesize * numsuc) |
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192 cur = data[off:off + s] |
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193 sucs = _unpack(_fm0node * numsuc, cur) |
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194 off += s |
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195 # read metadata |
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196 # (metadata will be decoded on demand) |
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197 metadata = data[off:off + mdsize] |
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198 if len(metadata) != mdsize: |
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199 raise error.Abort(_('parsing obsolete marker: metadata is too ' |
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200 'short, %d bytes expected, got %d') |
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201 % (mdsize, len(metadata))) |
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202 off += mdsize |
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203 metadata = _fm0decodemeta(metadata) |
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204 try: |
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205 when, offset = metadata.pop('date', '0 0').split(' ') |
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206 date = float(when), int(offset) |
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207 except ValueError: |
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208 date = (0., 0) |
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209 parents = None |
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210 if 'p2' in metadata: |
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211 parents = (metadata.pop('p1', None), metadata.pop('p2', None)) |
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212 elif 'p1' in metadata: |
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213 parents = (metadata.pop('p1', None),) |
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214 elif 'p0' in metadata: |
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215 parents = () |
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216 if parents is not None: |
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217 try: |
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218 parents = tuple(node.bin(p) for p in parents) |
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219 # if parent content is not a nodeid, drop the data |
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220 for p in parents: |
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221 if len(p) != 20: |
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222 parents = None |
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223 break |
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224 except TypeError: |
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225 # if content cannot be translated to nodeid drop the data. |
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226 parents = None |
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227 |
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228 metadata = tuple(sorted(metadata.iteritems())) |
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229 |
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230 yield (pre, sucs, flags, metadata, date, parents) |
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231 |
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232 def _fm0encodeonemarker(marker): |
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233 pre, sucs, flags, metadata, date, parents = marker |
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234 if flags & usingsha256: |
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235 raise error.Abort(_('cannot handle sha256 with old obsstore format')) |
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236 metadata = dict(metadata) |
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237 time, tz = date |
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238 metadata['date'] = '%r %i' % (time, tz) |
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239 if parents is not None: |
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240 if not parents: |
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241 # mark that we explicitly recorded no parents |
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242 metadata['p0'] = '' |
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243 for i, p in enumerate(parents, 1): |
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244 metadata['p%i' % i] = node.hex(p) |
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245 metadata = _fm0encodemeta(metadata) |
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246 numsuc = len(sucs) |
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247 format = _fm0fixed + (_fm0node * numsuc) |
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248 data = [numsuc, len(metadata), flags, pre] |
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249 data.extend(sucs) |
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250 return _pack(format, *data) + metadata |
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251 |
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252 def _fm0encodemeta(meta): |
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253 """Return encoded metadata string to string mapping. |
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254 |
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255 Assume no ':' in key and no '\0' in both key and value.""" |
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256 for key, value in meta.iteritems(): |
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257 if ':' in key or '\0' in key: |
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258 raise ValueError("':' and '\0' are forbidden in metadata key'") |
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259 if '\0' in value: |
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260 raise ValueError("':' is forbidden in metadata value'") |
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261 return '\0'.join(['%s:%s' % (k, meta[k]) for k in sorted(meta)]) |
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262 |
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263 def _fm0decodemeta(data): |
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264 """Return string to string dictionary from encoded version.""" |
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265 d = {} |
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266 for l in data.split('\0'): |
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267 if l: |
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268 key, value = l.split(':') |
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269 d[key] = value |
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270 return d |
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271 |
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272 ## Parsing and writing of version "1" |
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273 # |
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274 # The header is followed by the markers. Each marker is made of: |
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275 # |
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276 # - uint32: total size of the marker (including this field) |
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277 # |
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278 # - float64: date in seconds since epoch |
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279 # |
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280 # - int16: timezone offset in minutes |
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281 # |
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282 # - uint16: a bit field. It is reserved for flags used in common |
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283 # obsolete marker operations, to avoid repeated decoding of metadata |
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284 # entries. |
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285 # |
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286 # - uint8: number of successors "N", can be zero. |
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287 # |
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288 # - uint8: number of parents "P", can be zero. |
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289 # |
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290 # 0: parents data stored but no parent, |
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291 # 1: one parent stored, |
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292 # 2: two parents stored, |
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293 # 3: no parent data stored |
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294 # |
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295 # - uint8: number of metadata entries M |
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296 # |
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297 # - 20 or 32 bytes: predecessor changeset identifier. |
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298 # |
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299 # - N*(20 or 32) bytes: successors changesets identifiers. |
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300 # |
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301 # - P*(20 or 32) bytes: parents of the predecessors changesets. |
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302 # |
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303 # - M*(uint8, uint8): size of all metadata entries (key and value) |
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304 # |
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305 # - remaining bytes: the metadata, each (key, value) pair after the other. |
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306 _fm1version = 1 |
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307 _fm1fixed = '>IdhHBBB20s' |
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308 _fm1nodesha1 = '20s' |
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309 _fm1nodesha256 = '32s' |
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310 _fm1nodesha1size = _calcsize(_fm1nodesha1) |
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311 _fm1nodesha256size = _calcsize(_fm1nodesha256) |
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312 _fm1fsize = _calcsize(_fm1fixed) |
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313 _fm1parentnone = 3 |
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314 _fm1parentshift = 14 |
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315 _fm1parentmask = (_fm1parentnone << _fm1parentshift) |
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316 _fm1metapair = 'BB' |
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317 _fm1metapairsize = _calcsize(_fm1metapair) |
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318 |
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319 def _fm1purereadmarkers(data, off, stop): |
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320 # make some global constants local for performance |
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321 noneflag = _fm1parentnone |
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322 sha2flag = usingsha256 |
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323 sha1size = _fm1nodesha1size |
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324 sha2size = _fm1nodesha256size |
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325 sha1fmt = _fm1nodesha1 |
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326 sha2fmt = _fm1nodesha256 |
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327 metasize = _fm1metapairsize |
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328 metafmt = _fm1metapair |
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329 fsize = _fm1fsize |
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330 unpack = _unpack |
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|
331 |
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332 # Loop on markers |
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333 ufixed = struct.Struct(_fm1fixed).unpack |
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334 |
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335 while off < stop: |
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336 # read fixed part |
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337 o1 = off + fsize |
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338 t, secs, tz, flags, numsuc, numpar, nummeta, prec = ufixed(data[off:o1]) |
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339 |
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340 if flags & sha2flag: |
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341 # FIXME: prec was read as a SHA1, needs to be amended |
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342 |
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343 # read 0 or more successors |
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344 if numsuc == 1: |
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345 o2 = o1 + sha2size |
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346 sucs = (data[o1:o2],) |
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347 else: |
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348 o2 = o1 + sha2size * numsuc |
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349 sucs = unpack(sha2fmt * numsuc, data[o1:o2]) |
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350 |
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351 # read parents |
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|
352 if numpar == noneflag: |
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353 o3 = o2 |
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354 parents = None |
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355 elif numpar == 1: |
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356 o3 = o2 + sha2size |
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357 parents = (data[o2:o3],) |
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358 else: |
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|
359 o3 = o2 + sha2size * numpar |
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360 parents = unpack(sha2fmt * numpar, data[o2:o3]) |
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361 else: |
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|
362 # read 0 or more successors |
23804
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|
363 if numsuc == 1: |
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|
364 o2 = o1 + sha1size |
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|
365 sucs = (data[o1:o2],) |
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|
366 else: |
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|
367 o2 = o1 + sha1size * numsuc |
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|
368 sucs = unpack(sha1fmt * numsuc, data[o1:o2]) |
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|
369 |
23801
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|
370 # read parents |
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|
371 if numpar == noneflag: |
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|
372 o3 = o2 |
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|
373 parents = None |
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374 elif numpar == 1: |
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375 o3 = o2 + sha1size |
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|
376 parents = (data[o2:o3],) |
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377 else: |
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|
378 o3 = o2 + sha1size * numpar |
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379 parents = unpack(sha1fmt * numpar, data[o2:o3]) |
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|
380 |
22851
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|
381 # read metadata |
23803
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|
382 off = o3 + metasize * nummeta |
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|
383 metapairsize = unpack('>' + (metafmt * nummeta), data[o3:off]) |
22851
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|
384 metadata = [] |
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385 for idx in xrange(0, len(metapairsize), 2): |
23798
86d2a0c41f44
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|
386 o1 = off + metapairsize[idx] |
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|
387 o2 = o1 + metapairsize[idx + 1] |
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|
388 metadata.append((data[off:o1], data[o1:o2])) |
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|
389 off = o2 |
22851
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|
390 |
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|
391 yield (prec, sucs, flags, tuple(metadata), (secs, tz * 60), parents) |
22851
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|
392 |
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|
393 def _fm1encodeonemarker(marker): |
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|
394 pre, sucs, flags, metadata, date, parents = marker |
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|
395 # determine node size |
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|
396 _fm1node = _fm1nodesha1 |
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|
397 if flags & usingsha256: |
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|
398 _fm1node = _fm1nodesha256 |
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|
399 numsuc = len(sucs) |
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diff
changeset
|
400 numextranodes = numsuc |
974389427e5f
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changeset
|
401 if parents is None: |
974389427e5f
obsolete: introduce a new binary encoding for obsmarkers (version 1)
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22850
diff
changeset
|
402 numpar = _fm1parentnone |
974389427e5f
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changeset
|
403 else: |
974389427e5f
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changeset
|
404 numpar = len(parents) |
974389427e5f
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changeset
|
405 numextranodes += numpar |
974389427e5f
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diff
changeset
|
406 formatnodes = _fm1node * numextranodes |
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changeset
|
407 formatmeta = _fm1metapair * len(metadata) |
974389427e5f
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diff
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|
408 format = _fm1fixed + formatnodes + formatmeta |
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changeset
|
409 # tz is stored in minutes so we divide by 60 |
974389427e5f
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diff
changeset
|
410 tz = date[1]//60 |
974389427e5f
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diff
changeset
|
411 data = [None, date[0], tz, flags, numsuc, numpar, len(metadata), pre] |
974389427e5f
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changeset
|
412 data.extend(sucs) |
974389427e5f
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changeset
|
413 if parents is not None: |
974389427e5f
obsolete: introduce a new binary encoding for obsmarkers (version 1)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22850
diff
changeset
|
414 data.extend(parents) |
23498
ac910b1f5658
obsstore: prefetch struct.calcsize
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23497
diff
changeset
|
415 totalsize = _calcsize(format) |
22851
974389427e5f
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diff
changeset
|
416 for key, value in metadata: |
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changeset
|
417 lk = len(key) |
974389427e5f
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diff
changeset
|
418 lv = len(value) |
974389427e5f
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|
419 data.append(lk) |
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changeset
|
420 data.append(lv) |
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diff
changeset
|
421 totalsize += lk + lv |
974389427e5f
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changeset
|
422 data[0] = totalsize |
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|
423 data = [_pack(format, *data)] |
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|
424 for key, value in metadata: |
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|
425 data.append(key) |
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|
426 data.append(value) |
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diff
changeset
|
427 return ''.join(data) |
22848
72100c1d53d4
obsolete: gather _fm0 meta encoding with other _fm0 code
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22847
diff
changeset
|
428 |
33504
5d3ba4395288
obsstore: let read marker API take a range of offsets
Jun Wu <quark@fb.com>
parents:
33499
diff
changeset
|
429 def _fm1readmarkers(data, off, stop): |
24019
26fbf07482b2
_fm1readmarkers: generate list in C
Martin von Zweigbergk <martinvonz@google.com>
parents:
24018
diff
changeset
|
430 native = getattr(parsers, 'fm1readmarkers', None) |
26fbf07482b2
_fm1readmarkers: generate list in C
Martin von Zweigbergk <martinvonz@google.com>
parents:
24018
diff
changeset
|
431 if not native: |
33504
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Jun Wu <quark@fb.com>
parents:
33499
diff
changeset
|
432 return _fm1purereadmarkers(data, off, stop) |
24019
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433 return native(data, off, stop) |
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434 |
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435 # mapping to read/write various marker formats |
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436 # <version> -> (decoder, encoder) |
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437 formats = {_fm0version: (_fm0readmarkers, _fm0encodeonemarker), |
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438 _fm1version: (_fm1readmarkers, _fm1encodeonemarker)} |
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439 |
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440 def _readmarkerversion(data): |
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441 return _unpack('>B', data[0:1])[0] |
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442 |
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443 @util.nogc |
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444 def _readmarkers(data, off=None, stop=None): |
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445 """Read and enumerate markers from raw data""" |
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446 diskversion = _readmarkerversion(data) |
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447 if not off: |
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448 off = 1 # skip 1 byte version number |
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449 if stop is None: |
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450 stop = len(data) |
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451 if diskversion not in formats: |
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452 msg = _('parsing obsolete marker: unknown version %r') % diskversion |
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453 raise error.UnknownVersion(msg, version=diskversion) |
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454 return diskversion, formats[diskversion][0](data, off, stop) |
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455 |
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456 def encodeheader(version=_fm0version): |
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457 return _pack('>B', version) |
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458 |
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459 def encodemarkers(markers, addheader=False, version=_fm0version): |
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460 # Kept separate from flushmarkers(), it will be reused for |
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461 # markers exchange. |
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462 encodeone = formats[version][1] |
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463 if addheader: |
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464 yield encodeheader(version) |
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465 for marker in markers: |
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466 yield encodeone(marker) |
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467 |
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468 @util.nogc |
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469 def _addsuccessors(successors, markers): |
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470 for mark in markers: |
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471 successors.setdefault(mark[0], set()).add(mark) |
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472 |
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473 def _addprecursors(*args, **kwargs): |
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474 msg = ("'obsolete._addprecursors' is deprecated, " |
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475 "use 'obsolete._addpredecessors'") |
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476 util.nouideprecwarn(msg, '4.4') |
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477 |
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478 return _addpredecessors(*args, **kwargs) |
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479 |
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480 @util.nogc |
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481 def _addpredecessors(predecessors, markers): |
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482 for mark in markers: |
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483 for suc in mark[1]: |
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484 predecessors.setdefault(suc, set()).add(mark) |
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485 |
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486 @util.nogc |
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487 def _addchildren(children, markers): |
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488 for mark in markers: |
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489 parents = mark[5] |
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490 if parents is not None: |
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491 for p in parents: |
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492 children.setdefault(p, set()).add(mark) |
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|
493 |
24045
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|
494 def _checkinvalidmarkers(markers): |
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495 """search for marker with invalid data and raise error if needed |
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|
496 |
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|
497 Exist as a separated function to allow the evolve extension for a more |
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|
498 subtle handling. |
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|
499 """ |
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|
500 for mark in markers: |
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|
501 if node.nullid in mark[1]: |
26587
56b2bcea2529
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|
502 raise error.Abort(_('bad obsolescence marker detected: ' |
24045
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obsolete: pass only new markers to _checkinvalidmarkers()
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|
503 'invalid successors nullid')) |
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|
504 |
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|
505 class obsstore(object): |
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|
506 """Store obsolete markers |
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|
507 |
ad0d6c2b3279
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diff
changeset
|
508 Markers can be accessed with two mappings: |
33734
0c3112f17610
obsolete: rename precursor into predecessor in obsolete docstrings
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parents:
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diff
changeset
|
509 - predecessors[x] -> set(markers on predecessors edges of x) |
17776
072812e9f570
obsolete: flip `obstore.successors` and `obsolete.precursors`
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parents:
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diff
changeset
|
510 - successors[x] -> set(markers on successors edges of x) |
33734
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|
511 - children[x] -> set(markers on predecessors edges of children(x) |
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|
512 """ |
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diff
changeset
|
513 |
22254
b8a0e8176693
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diff
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|
514 fields = ('prec', 'succs', 'flag', 'meta', 'date', 'parents') |
33734
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|
515 # prec: nodeid, predecessors changesets |
22254
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diff
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|
516 # succs: tuple of nodeid, successor changesets (0-N length) |
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|
517 # flag: integer, flag field carrying modifier for the markers (see doc) |
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|
518 # meta: binary blob, encoded metadata dictionary |
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|
519 # date: (float, int) tuple, date of marker creation |
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|
520 # parents: (tuple of nodeid) or None, parents of predecessors |
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diff
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|
521 # None is used when no data has been recorded |
22221
e75b1a3c1dbc
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parents:
22219
diff
changeset
|
522 |
25669
8d94861842e5
obsolete: replace references to 'sopener' with 'svfs'
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parents:
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diff
changeset
|
523 def __init__(self, svfs, defaultformat=_fm1version, readonly=False): |
17469
fb72eec7efd8
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diff
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|
524 # caches for various obsolescence related cache |
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|
525 self.caches = {} |
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|
526 self.svfs = svfs |
32691
5d8dd6c90af9
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changeset
|
527 self._defaultformat = defaultformat |
22950
bb8278b289ee
obsolete: add readonly flag to obstore constructor
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parents:
22949
diff
changeset
|
528 self._readonly = readonly |
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diff
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|
529 |
17073
3a79a5682af1
obsolete: add easy way to iterate over obsolete marker object
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17072
diff
changeset
|
530 def __iter__(self): |
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|
531 return iter(self._all) |
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17072
diff
changeset
|
532 |
20585
f3c8db3d6d66
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changeset
|
533 def __len__(self): |
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|
534 return len(self._all) |
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diff
changeset
|
535 |
17075
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
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17073
diff
changeset
|
536 def __nonzero__(self): |
26310
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diff
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|
537 if not self._cached('_all'): |
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diff
changeset
|
538 try: |
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diff
changeset
|
539 return self.svfs.stat('obsstore').st_size > 1 |
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diff
changeset
|
540 except OSError as inst: |
61efe9ef6ad4
obsstore: fast path to check if obsstore is empty
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parents:
26309
diff
changeset
|
541 if inst.errno != errno.ENOENT: |
61efe9ef6ad4
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Yuya Nishihara <yuya@tcha.org>
parents:
26309
diff
changeset
|
542 raise |
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parents:
26309
diff
changeset
|
543 # 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:
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544 # avoids further stat() syscalls |
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545 pass |
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546 return bool(self._all) |
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547 |
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548 __bool__ = __nonzero__ |
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549 |
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550 @property |
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551 def readonly(self): |
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552 """True if marker creation is disabled |
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553 |
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554 Remove me in the future when obsolete marker is always on.""" |
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555 return self._readonly |
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556 |
22255
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557 def create(self, transaction, prec, succs=(), flag=0, parents=None, |
32411
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558 date=None, metadata=None, ui=None): |
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559 """obsolete: add a new obsolete marker |
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560 |
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561 * ensuring it is hashable |
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562 * check mandatory metadata |
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563 * encode metadata |
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3af218cf2007
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564 |
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Pierre-Yves David <pierre-yves.david@logilab.fr>
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565 If you are a human writing code creating marker you want to use the |
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parents:
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diff
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|
566 `createmarkers` function in this module instead. |
20584
224a058f7cd1
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Pierre-Yves David <pierre-yves.david@fb.com>
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|
567 |
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diff
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568 return True if a new marker have been added, False if the markers |
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parents:
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|
569 already existed (no op). |
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570 """ |
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571 if metadata is None: |
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572 metadata = {} |
22222
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573 if date is None: |
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574 if 'date' in metadata: |
883e8b6bd461
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575 # as a courtesy for out-of-tree extensions |
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576 date = util.parsedate(metadata.pop('date')) |
32411
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577 elif ui is not None: |
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578 date = ui.configdate('devel', 'default-date') |
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579 if date is None: |
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580 date = util.makedate() |
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581 else: |
22217
570f87422f54
obsstore: add an explicit `date` argument to obsstore.create
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parents:
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diff
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|
582 date = util.makedate() |
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583 if len(prec) != 20: |
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584 raise ValueError(prec) |
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585 for succ in succs: |
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586 if len(succ) != 20: |
17117
217bfb10e6db
obsolete: fix error message at marker creation
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parents:
17076
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|
587 raise ValueError(succ) |
22177
a56038e6a3c9
obsstore.create: add a simple safeguard against cyclic markers
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parents:
21166
diff
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|
588 if prec in succs: |
a56038e6a3c9
obsstore.create: add a simple safeguard against cyclic markers
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parents:
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diff
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589 raise ValueError(_('in-marker cycle with %s') % node.hex(prec)) |
22845
ef880e28e56a
obsolete: store metadata as a tuple of (key, value) pairs (API)
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parents:
22685
diff
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|
590 |
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obsolete: store metadata as a tuple of (key, value) pairs (API)
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diff
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|
591 metadata = tuple(sorted(metadata.iteritems())) |
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Pierre-Yves David <pierre-yves.david@fb.com>
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|
592 |
33719
388901a15bfa
obsolete: use bytes() instead of str() so the node is bytes on py3
Augie Fackler <augie@google.com>
parents:
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diff
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|
593 marker = (bytes(prec), tuple(succs), int(flag), metadata, date, parents) |
20584
224a058f7cd1
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594 return bool(self.add(transaction, [marker])) |
17220
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obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
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|
595 |
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|
596 def add(self, transaction, markers): |
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|
597 """Add new markers to the store |
17070
ad0d6c2b3279
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diff
changeset
|
598 |
17220
bdac214a4705
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|
599 Take care of filtering duplicate. |
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|
600 Return the number of new marker.""" |
22950
bb8278b289ee
obsolete: add readonly flag to obstore constructor
Durham Goode <durham@fb.com>
parents:
22949
diff
changeset
|
601 if self._readonly: |
29389
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
29281
diff
changeset
|
602 raise error.Abort(_('creating obsolete markers is not enabled on ' |
98e8313dcd9e
i18n: translate abort messages
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parents:
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diff
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|
603 'this repo')) |
32774
5ffb138d7b1a
obsstore: do not load all markers to detect duplication
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parents:
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diff
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|
604 known = set() |
5ffb138d7b1a
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|
605 getsuccessors = self.successors.get |
20030
5931489b65e0
obsolete: do not accept duplicated marker during exchange
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parents:
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diff
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|
606 new = [] |
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diff
changeset
|
607 for m in markers: |
32774
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Jun Wu <quark@fb.com>
parents:
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|
608 if m not in getsuccessors(m[0], ()) and m not in known: |
20030
5931489b65e0
obsolete: do not accept duplicated marker during exchange
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changeset
|
609 known.add(m) |
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|
610 new.append(m) |
17220
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|
611 if new: |
25669
8d94861842e5
obsolete: replace references to 'sopener' with 'svfs'
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
612 f = self.svfs('obsstore', 'ab') |
17124
f1b7683f3f95
obsolete: move obsolete markers read/write logic to obsstore object
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parents:
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diff
changeset
|
613 try: |
17126
8fa8717b47b6
obsolete: write obsolete marker inside a transaction
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parents:
17125
diff
changeset
|
614 offset = f.tell() |
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obsolete: write obsolete marker inside a transaction
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diff
changeset
|
615 transaction.add('obsstore', offset) |
17219
494a970f68de
obsolete: refactor writemarkers to only encode them
Pierre-Yves.David@ens-lyon.org
parents:
17213
diff
changeset
|
616 # offset == 0: new file - add the version header |
33479
8b48dad66be4
obsstore: keep self._data updated with _addmarkers
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parents:
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diff
changeset
|
617 data = b''.join(encodemarkers(new, offset == 0, self._version)) |
8b48dad66be4
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diff
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|
618 f.write(data) |
17126
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diff
changeset
|
619 finally: |
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diff
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|
620 # XXX: f.close() == filecache invalidation == obsstore rebuilt. |
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diff
changeset
|
621 # call 'filecacheentry.refresh()' here |
17124
f1b7683f3f95
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diff
changeset
|
622 f.close() |
33251
a5cb2e4460de
transaction: track new obsmarkers in the 'changes' mapping
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parents:
33244
diff
changeset
|
623 addedmarkers = transaction.changes.get('obsmarkers') |
a5cb2e4460de
transaction: track new obsmarkers in the 'changes' mapping
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diff
changeset
|
624 if addedmarkers is not None: |
a5cb2e4460de
transaction: track new obsmarkers in the 'changes' mapping
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parents:
33244
diff
changeset
|
625 addedmarkers.update(new) |
33479
8b48dad66be4
obsstore: keep self._data updated with _addmarkers
Jun Wu <quark@fb.com>
parents:
33273
diff
changeset
|
626 self._addmarkers(new, data) |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
627 # new marker *may* have changed several set. invalidate the cache. |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
628 self.caches.clear() |
22339
9680da73cfe0
obsmarker: record the number of new markers in the transaction
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22335
diff
changeset
|
629 # records the number of new markers for the transaction hooks |
9680da73cfe0
obsmarker: record the number of new markers in the transaction
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parents:
22335
diff
changeset
|
630 previous = int(transaction.hookargs.get('new_obsmarkers', '0')) |
9680da73cfe0
obsmarker: record the number of new markers in the transaction
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parents:
22335
diff
changeset
|
631 transaction.hookargs['new_obsmarkers'] = str(previous + len(new)) |
17220
bdac214a4705
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diff
changeset
|
632 return len(new) |
17126
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diff
changeset
|
633 |
17524 | 634 def mergemarkers(self, transaction, data): |
22325
3363f2d36015
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diff
changeset
|
635 """merge a binary stream of markers inside the obsstore |
3363f2d36015
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changeset
|
636 |
3363f2d36015
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diff
changeset
|
637 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
|
638 version, markers = _readmarkers(data) |
22325
3363f2d36015
obsstore: have the `mergemarkers` method return the number of new markers
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changeset
|
639 return self.add(transaction, markers) |
17070
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diff
changeset
|
640 |
24046
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
Martin von Zweigbergk <martinvonz@google.com>
parents:
24045
diff
changeset
|
641 @propertycache |
32690
3fad59faba8a
obsstore: separate marker parsing from obsstore reading
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parents:
32689
diff
changeset
|
642 def _data(self): |
3fad59faba8a
obsstore: separate marker parsing from obsstore reading
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diff
changeset
|
643 return self.svfs.tryread('obsstore') |
3fad59faba8a
obsstore: separate marker parsing from obsstore reading
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parents:
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diff
changeset
|
644 |
3fad59faba8a
obsstore: separate marker parsing from obsstore reading
Jun Wu <quark@fb.com>
parents:
32689
diff
changeset
|
645 @propertycache |
32691
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
parents:
32690
diff
changeset
|
646 def _version(self): |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
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32690
diff
changeset
|
647 if len(self._data) >= 1: |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
parents:
32690
diff
changeset
|
648 return _readmarkerversion(self._data) |
5d8dd6c90af9
obsstore: move _version to a propertycache
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parents:
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diff
changeset
|
649 else: |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
parents:
32690
diff
changeset
|
650 return self._defaultformat |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
parents:
32690
diff
changeset
|
651 |
5d8dd6c90af9
obsstore: move _version to a propertycache
Jun Wu <quark@fb.com>
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32690
diff
changeset
|
652 @propertycache |
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obsstore: delay loading markers from obsstore file
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parents:
26308
diff
changeset
|
653 def _all(self): |
32690
3fad59faba8a
obsstore: separate marker parsing from obsstore reading
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parents:
32689
diff
changeset
|
654 data = self._data |
26309
44918682093f
obsstore: delay loading markers from obsstore file
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diff
changeset
|
655 if not data: |
44918682093f
obsstore: delay loading markers from obsstore file
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parents:
26308
diff
changeset
|
656 return [] |
44918682093f
obsstore: delay loading markers from obsstore file
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parents:
26308
diff
changeset
|
657 self._version, markers = _readmarkers(data) |
44918682093f
obsstore: delay loading markers from obsstore file
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parents:
26308
diff
changeset
|
658 markers = list(markers) |
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|
659 _checkinvalidmarkers(markers) |
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|
660 return markers |
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|
661 |
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|
662 @propertycache |
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6e1d9f9932a9
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changeset
|
663 def successors(self): |
6e1d9f9932a9
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parents:
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|
664 successors = {} |
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|
665 _addsuccessors(successors, self._all) |
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changeset
|
666 return successors |
6e1d9f9932a9
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changeset
|
667 |
33733
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changeset
|
668 @property |
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|
669 def precursors(self): |
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parents:
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diff
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|
670 msg = ("'obsstore.precursors' is deprecated, " |
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parents:
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|
671 "use 'obsstore.predecessors'") |
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parents:
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|
672 util.nouideprecwarn(msg, '4.4') |
d5acd967f95a
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Boris Feld <boris.feld@octobus.net>
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|
673 |
d5acd967f95a
obsstore: rename precursors into predecessors
Boris Feld <boris.feld@octobus.net>
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|
674 return self.predecessors |
d5acd967f95a
obsstore: rename precursors into predecessors
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changeset
|
675 |
24046
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parents:
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diff
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|
676 @propertycache |
33733
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parents:
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diff
changeset
|
677 def predecessors(self): |
33732
32d4f815c4f4
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parents:
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diff
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|
678 predecessors = {} |
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|
679 _addpredecessors(predecessors, self._all) |
32d4f815c4f4
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diff
changeset
|
680 return predecessors |
24046
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parents:
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diff
changeset
|
681 |
6e1d9f9932a9
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parents:
24045
diff
changeset
|
682 @propertycache |
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parents:
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|
683 def children(self): |
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|
684 children = {} |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
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parents:
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changeset
|
685 _addchildren(children, self._all) |
6e1d9f9932a9
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parents:
24045
diff
changeset
|
686 return children |
6e1d9f9932a9
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parents:
24045
diff
changeset
|
687 |
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parents:
24045
diff
changeset
|
688 def _cached(self, attr): |
6e1d9f9932a9
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|
689 return attr in self.__dict__ |
6e1d9f9932a9
obsolete: populate successors, precursors, children lazily
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parents:
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diff
changeset
|
690 |
33479
8b48dad66be4
obsstore: keep self._data updated with _addmarkers
Jun Wu <quark@fb.com>
parents:
33273
diff
changeset
|
691 def _addmarkers(self, markers, rawdata): |
24044
e0e6dd806b23
obsolete: extract helpers from _load()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24019
diff
changeset
|
692 markers = list(markers) # to allow repeated iteration |
33479
8b48dad66be4
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Jun Wu <quark@fb.com>
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diff
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|
693 self._data = self._data + rawdata |
24044
e0e6dd806b23
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Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
694 self._all.extend(markers) |
24046
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|
695 if self._cached('successors'): |
6e1d9f9932a9
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|
696 _addsuccessors(self.successors, markers) |
33733
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|
697 if self._cached('predecessors'): |
d5acd967f95a
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|
698 _addpredecessors(self.predecessors, markers) |
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diff
changeset
|
699 if self._cached('children'): |
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parents:
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diff
changeset
|
700 _addchildren(self.children, markers) |
24045
43061f96e40e
obsolete: pass only new markers to _checkinvalidmarkers()
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
701 _checkinvalidmarkers(markers) |
23973
18d431147cc1
obsstore: make the invalid markers check wrap-able
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23805
diff
changeset
|
702 |
22271
8c69262df82d
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diff
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|
703 def relevantmarkers(self, nodes): |
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parents:
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diff
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|
704 """return a set of all obsolescence markers relevant to a set of nodes. |
8c69262df82d
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
705 |
8c69262df82d
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
706 "relevant" to a set of nodes mean: |
8c69262df82d
obsstore: add relevantmarkers method
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parents:
22270
diff
changeset
|
707 |
8c69262df82d
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
708 - marker that use this changeset as successor |
8c69262df82d
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
709 - 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
|
710 - 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
|
711 markers |
22271
8c69262df82d
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parents:
22270
diff
changeset
|
712 |
8c69262df82d
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parents:
22270
diff
changeset
|
713 It is a set so you cannot rely on order.""" |
8c69262df82d
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parents:
22270
diff
changeset
|
714 |
8c69262df82d
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
715 pendingnodes = set(nodes) |
8c69262df82d
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
716 seenmarkers = set() |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
717 seennodes = set(pendingnodes) |
33733
d5acd967f95a
obsstore: rename precursors into predecessors
Boris Feld <boris.feld@octobus.net>
parents:
33732
diff
changeset
|
718 precursorsmarkers = self.predecessors |
32488
176d1a0ce385
obsolete: fix relevant-obsmarkers computation on pruned changeset
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32411
diff
changeset
|
719 succsmarkers = self.successors |
22271
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
720 children = self.children |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
721 while pendingnodes: |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
722 direct = set() |
8c69262df82d
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
723 for current in pendingnodes: |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
724 direct.update(precursorsmarkers.get(current, ())) |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
725 pruned = [m for m in children.get(current, ()) if not m[1]] |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
726 direct.update(pruned) |
32488
176d1a0ce385
obsolete: fix relevant-obsmarkers computation on pruned changeset
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32411
diff
changeset
|
727 pruned = [m for m in succsmarkers.get(current, ()) if not m[1]] |
176d1a0ce385
obsolete: fix relevant-obsmarkers computation on pruned changeset
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32411
diff
changeset
|
728 direct.update(pruned) |
22271
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
729 direct -= seenmarkers |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
730 pendingnodes = set([m[0] for m in direct]) |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
731 seenmarkers |= direct |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
732 pendingnodes -= seennodes |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
733 seennodes |= pendingnodes |
8c69262df82d
obsstore: add relevantmarkers method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22270
diff
changeset
|
734 return seenmarkers |
17070
ad0d6c2b3279
obsolete: introduction of obsolete markers
Pierre-Yves.David@ens-lyon.org
parents:
diff
changeset
|
735 |
32729
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
736 def makestore(ui, repo): |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
737 """Create an obsstore instance from a repo.""" |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
738 # read default format for new obsstore. |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
739 # developer config: format.obsstore-version |
33244
fd50788a2d4f
configitems: register the 'format.obsstore-version' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33149
diff
changeset
|
740 defaultformat = ui.configint('format', 'obsstore-version') |
32729
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
741 # rely on obsstore class default when possible. |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
742 kwargs = {} |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
743 if defaultformat is not None: |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
744 kwargs['defaultformat'] = defaultformat |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
745 readonly = not isenabled(repo, createmarkersopt) |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
746 store = obsstore(repo.svfs, readonly=readonly, **kwargs) |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
747 if store and readonly: |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
748 ui.warn(_('obsolete feature not enabled but %i markers found!\n') |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
749 % len(list(store))) |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
750 return store |
c8177792fef6
obsolete: move obsstore creation logic from localrepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32692
diff
changeset
|
751 |
22345
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
752 def commonversion(versions): |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
753 """Return the newest version listed in both versions and our local formats. |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
754 |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
755 Returns None if no common version exists. |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
756 """ |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
757 versions.sort(reverse=True) |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
758 # search for highest version known on both side |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
759 for v in versions: |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
760 if v in formats: |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
761 return v |
cf7014c5f087
obsolete: add a `commonversion` function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22339
diff
changeset
|
762 return None |
17295
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
763 |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
764 # arbitrary picked to fit into 8K limit from HTTP server |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
765 # you have to take in account: |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
766 # - the version header |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
767 # - the base85 encoding |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
768 _maxpayload = 5300 |
17075
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
17073
diff
changeset
|
769 |
20599
dad29624b056
obsolete: extract encoding of marker for pushkey from the list key function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20585
diff
changeset
|
770 def _pushkeyescape(markers): |
dad29624b056
obsolete: extract encoding of marker for pushkey from the list key function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20585
diff
changeset
|
771 """encode markers into a dict suitable for pushkey exchange |
dad29624b056
obsolete: extract encoding of marker for pushkey from the list key function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20585
diff
changeset
|
772 |
21024
7731a2281cf0
spelling: fixes from spell checker
Mads Kiilerich <madski@unity3d.com>
parents:
20599
diff
changeset
|
773 - binary data is base85 encoded |
7731a2281cf0
spelling: fixes from spell checker
Mads Kiilerich <madski@unity3d.com>
parents:
20599
diff
changeset
|
774 - split in chunks smaller than 5300 bytes""" |
17295
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
775 keys = {} |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
776 parts = [] |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
777 currentlen = _maxpayload * 2 # ensure we create a new part |
20599
dad29624b056
obsolete: extract encoding of marker for pushkey from the list key function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20585
diff
changeset
|
778 for marker in markers: |
22329
ed37aa74d208
obsolete: rename _encodeonemarker to _fm0encodeonemarkers
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22328
diff
changeset
|
779 nextdata = _fm0encodeonemarker(marker) |
17295
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
780 if (len(nextdata) + currentlen > _maxpayload): |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
781 currentpart = [] |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
782 currentlen = 0 |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
783 parts.append(currentpart) |
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
784 currentpart.append(nextdata) |
17304
0368fc55d572
obsolete: properly increment currentlen when building pushkey payload
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17298
diff
changeset
|
785 currentlen += len(nextdata) |
17295
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
786 for idx, part in enumerate(reversed(parts)): |
22327
f737631a9f0a
obsolete: rename all _fm to _fm0
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22326
diff
changeset
|
787 data = ''.join([_pack('>B', _fm0version)] + part) |
32201
4462a981e8df
base85: proxy through util module
Yuya Nishihara <yuya@tcha.org>
parents:
31476
diff
changeset
|
788 keys['dump%i' % idx] = util.b85encode(data) |
17295
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
789 return keys |
17073
3a79a5682af1
obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents:
17072
diff
changeset
|
790 |
20599
dad29624b056
obsolete: extract encoding of marker for pushkey from the list key function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20585
diff
changeset
|
791 def listmarkers(repo): |
dad29624b056
obsolete: extract encoding of marker for pushkey from the list key function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20585
diff
changeset
|
792 """List markers over pushkey""" |
dad29624b056
obsolete: extract encoding of marker for pushkey from the list key function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20585
diff
changeset
|
793 if not repo.obsstore: |
dad29624b056
obsolete: extract encoding of marker for pushkey from the list key function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20585
diff
changeset
|
794 return {} |
25118
e632a2429982
obsolete: sort obsmarkers during exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24928
diff
changeset
|
795 return _pushkeyescape(sorted(repo.obsstore)) |
20599
dad29624b056
obsolete: extract encoding of marker for pushkey from the list key function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20585
diff
changeset
|
796 |
17075
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
17073
diff
changeset
|
797 def pushmarker(repo, key, old, new): |
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
17073
diff
changeset
|
798 """Push markers over pushkey""" |
17295
1f08ecc7febb
pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17253
diff
changeset
|
799 if not key.startswith('dump'): |
17075
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
17073
diff
changeset
|
800 repo.ui.warn(_('unknown key: %r') % key) |
32822
e65ff29dbeb0
pushkey: use False/True for return values from push functions
Martin von Zweigbergk <martinvonz@google.com>
parents:
32774
diff
changeset
|
801 return False |
17075
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
17073
diff
changeset
|
802 if old: |
21098
399d7770eef2
obsolete: add '%' specifier to the format string to avoid TypeError at runtime
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
21024
diff
changeset
|
803 repo.ui.warn(_('unexpected old value for %r') % key) |
32822
e65ff29dbeb0
pushkey: use False/True for return values from push functions
Martin von Zweigbergk <martinvonz@google.com>
parents:
32774
diff
changeset
|
804 return False |
32201
4462a981e8df
base85: proxy through util module
Yuya Nishihara <yuya@tcha.org>
parents:
31476
diff
changeset
|
805 data = util.b85decode(new) |
17075
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
17073
diff
changeset
|
806 lock = repo.lock() |
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
17073
diff
changeset
|
807 try: |
17126
8fa8717b47b6
obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17125
diff
changeset
|
808 tr = repo.transaction('pushkey: obsolete markers') |
8fa8717b47b6
obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17125
diff
changeset
|
809 try: |
8fa8717b47b6
obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17125
diff
changeset
|
810 repo.obsstore.mergemarkers(tr, data) |
32326
99515353c72a
obsolete: invalidate "volatile" set cache after merging marker
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
31476
diff
changeset
|
811 repo.invalidatevolatilesets() |
17126
8fa8717b47b6
obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17125
diff
changeset
|
812 tr.close() |
32822
e65ff29dbeb0
pushkey: use False/True for return values from push functions
Martin von Zweigbergk <martinvonz@google.com>
parents:
32774
diff
changeset
|
813 return True |
17126
8fa8717b47b6
obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17125
diff
changeset
|
814 finally: |
8fa8717b47b6
obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17125
diff
changeset
|
815 tr.release() |
17075
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
17073
diff
changeset
|
816 finally: |
28ed1c4511ce
obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents:
17073
diff
changeset
|
817 lock.release() |
17073
3a79a5682af1
obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents:
17072
diff
changeset
|
818 |
33144
d0e5bf12f314
obsutil: move 'allprecursors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33143
diff
changeset
|
819 # keep compatibility for the 4.3 cycle |
d0e5bf12f314
obsutil: move 'allprecursors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33143
diff
changeset
|
820 def allprecursors(obsstore, nodes, ignoreflags=0): |
d0e5bf12f314
obsutil: move 'allprecursors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33143
diff
changeset
|
821 movemsg = 'obsolete.allprecursors moved to obsutil.allprecursors' |
d0e5bf12f314
obsutil: move 'allprecursors' to the new modules
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parents:
33143
diff
changeset
|
822 util.nouideprecwarn(movemsg, '4.3') |
d0e5bf12f314
obsutil: move 'allprecursors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33143
diff
changeset
|
823 return obsutil.allprecursors(obsstore, nodes, ignoreflags) |
d0e5bf12f314
obsutil: move 'allprecursors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33143
diff
changeset
|
824 |
33145
0a370b93cca2
obsutil: move 'allsuccessors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33144
diff
changeset
|
825 def allsuccessors(obsstore, nodes, ignoreflags=0): |
0a370b93cca2
obsutil: move 'allsuccessors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33144
diff
changeset
|
826 movemsg = 'obsolete.allsuccessors moved to obsutil.allsuccessors' |
0a370b93cca2
obsutil: move 'allsuccessors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33144
diff
changeset
|
827 util.nouideprecwarn(movemsg, '4.3') |
0a370b93cca2
obsutil: move 'allsuccessors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33144
diff
changeset
|
828 return obsutil.allsuccessors(obsstore, nodes, ignoreflags) |
0a370b93cca2
obsutil: move 'allsuccessors' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33144
diff
changeset
|
829 |
33148
4e30168d7939
obsutil: move the 'marker' class to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33147
diff
changeset
|
830 def marker(repo, data): |
4e30168d7939
obsutil: move the 'marker' class to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33147
diff
changeset
|
831 movemsg = 'obsolete.marker moved to obsutil.marker' |
4e30168d7939
obsutil: move the 'marker' class to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33147
diff
changeset
|
832 repo.ui.deprecwarn(movemsg, '4.3') |
4e30168d7939
obsutil: move the 'marker' class to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33147
diff
changeset
|
833 return obsutil.marker(repo, data) |
4e30168d7939
obsutil: move the 'marker' class to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33147
diff
changeset
|
834 |
33149
a14e2e7f7d1f
obsutil: move 'getmarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33148
diff
changeset
|
835 def getmarkers(repo, nodes=None, exclusive=False): |
a14e2e7f7d1f
obsutil: move 'getmarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33148
diff
changeset
|
836 movemsg = 'obsolete.getmarkers moved to obsutil.getmarkers' |
a14e2e7f7d1f
obsutil: move 'getmarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33148
diff
changeset
|
837 repo.ui.deprecwarn(movemsg, '4.3') |
a14e2e7f7d1f
obsutil: move 'getmarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33148
diff
changeset
|
838 return obsutil.getmarkers(repo, nodes=nodes, exclusive=exclusive) |
a14e2e7f7d1f
obsutil: move 'getmarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33148
diff
changeset
|
839 |
33143
d09ae850296d
obsutil: move 'exclusivemarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33142
diff
changeset
|
840 def exclusivemarkers(repo, nodes): |
d09ae850296d
obsutil: move 'exclusivemarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33142
diff
changeset
|
841 movemsg = 'obsolete.exclusivemarkers moved to obsutil.exclusivemarkers' |
d09ae850296d
obsutil: move 'exclusivemarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33142
diff
changeset
|
842 repo.ui.deprecwarn(movemsg, '4.3') |
d09ae850296d
obsutil: move 'exclusivemarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33142
diff
changeset
|
843 return obsutil.exclusivemarkers(repo, nodes) |
d09ae850296d
obsutil: move 'exclusivemarkers' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33142
diff
changeset
|
844 |
33146
7017567ebdf2
obsutil: move 'foreground' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33145
diff
changeset
|
845 def foreground(repo, nodes): |
7017567ebdf2
obsutil: move 'foreground' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33145
diff
changeset
|
846 movemsg = 'obsolete.foreground moved to obsutil.foreground' |
7017567ebdf2
obsutil: move 'foreground' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33145
diff
changeset
|
847 repo.ui.deprecwarn(movemsg, '4.3') |
7017567ebdf2
obsutil: move 'foreground' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33145
diff
changeset
|
848 return obsutil.foreground(repo, nodes) |
7017567ebdf2
obsutil: move 'foreground' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33145
diff
changeset
|
849 |
18068
4bec77e62c00
obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18001
diff
changeset
|
850 def successorssets(repo, initialnode, cache=None): |
33142
4f49810a1011
obsutil: move 'successorssets' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33130
diff
changeset
|
851 movemsg = 'obsolete.successorssets moved to obsutil.successorssets' |
4f49810a1011
obsutil: move 'successorssets' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33130
diff
changeset
|
852 repo.ui.deprecwarn(movemsg, '4.3') |
4f49810a1011
obsutil: move 'successorssets' to the new modules
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33130
diff
changeset
|
853 return obsutil.successorssets(repo, initialnode, cache=cache) |
18068
4bec77e62c00
obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18001
diff
changeset
|
854 |
17828
9495be4126ef
obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17827
diff
changeset
|
855 # mapping of 'set-name' -> <function to compute this set> |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
856 cachefuncs = {} |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
857 def cachefor(name): |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
858 """Decorator to register a function as computing the cache for a set""" |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
859 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
|
860 if name in cachefuncs: |
9d472b219fb0
obsolete: use ProgrammingError over assert for volatile set registration
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
32822
diff
changeset
|
861 msg = "duplicated registration for volatileset '%s' (existing: %r)" |
9d472b219fb0
obsolete: use ProgrammingError over assert for volatile set registration
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
32822
diff
changeset
|
862 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
|
863 cachefuncs[name] = func |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
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parents:
17429
diff
changeset
|
864 return func |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
865 return decorator |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
866 |
17825
3cc06457f15e
obsolete: rename `getobscache` into `getrevs`
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17776
diff
changeset
|
867 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
|
868 """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
|
869 |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
870 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
|
871 repo = repo.unfiltered() |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
872 if not repo.obsstore: |
22507
5c00c5298f98
obsolete: ensure that `getrevs` always return a set
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22394
diff
changeset
|
873 return frozenset() |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
874 if name not in repo.obsstore.caches: |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
875 repo.obsstore.caches[name] = cachefuncs[name](repo) |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
876 return repo.obsstore.caches[name] |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
877 |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
878 # 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
|
879 # |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
880 # - new changeset is added: |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
881 # - public phase is changed |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
882 # - obsolescence marker are added |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
883 # - strip is used a repo |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
884 def clearobscaches(repo): |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
885 """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
|
886 |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
887 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
|
888 repo. |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
889 |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
890 (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
|
891 clearing)""" |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
892 # only clear cache is there is obsstore data in this repo |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
893 if 'obsstore' in repo._filecache: |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
894 repo.obsstore.caches.clear() |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
895 |
33129
765c6ab07a88
obsolete: provide a small function to retrieve all mutable revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32884
diff
changeset
|
896 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
|
897 """the set of mutable revision in the repository""" |
765c6ab07a88
obsolete: provide a small function to retrieve all mutable revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32884
diff
changeset
|
898 return repo._phasecache.getrevset(repo, (phases.draft, phases.secret)) |
765c6ab07a88
obsolete: provide a small function to retrieve all mutable revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32884
diff
changeset
|
899 |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
900 @cachefor('obsolete') |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
901 def _computeobsoleteset(repo): |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
902 """the set of obsolete revisions""" |
27784
432242f41d9f
obsolete: make _computeobsoleteset much faster
Laurent Charignon <lc2817@columbia.edu>
parents:
27332
diff
changeset
|
903 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
|
904 notpublic = _mutablerevs(repo) |
32688
2c1400d43fd2
obsstore: minor optimization for the obsolete revset
Jun Wu <quark@fb.com>
parents:
32627
diff
changeset
|
905 isobs = repo.obsstore.successors.__contains__ |
2c1400d43fd2
obsstore: minor optimization for the obsolete revset
Jun Wu <quark@fb.com>
parents:
32627
diff
changeset
|
906 obs = set(r for r in notpublic if isobs(getnode(r))) |
18271
67872e939945
performance: speedup computation of obsolete revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18101
diff
changeset
|
907 return obs |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
908 |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
909 @cachefor('unstable') |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
910 def _computeunstableset(repo): |
33777
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
911 msg = ("'unstable' volatile set is deprecated, " |
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
912 "use 'orphan'") |
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
913 repo.ui.deprecwarn(msg, '4.4') |
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
914 |
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
915 return _computeorphanset(repo) |
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
916 |
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
917 @cachefor('orphan') |
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
918 def _computeorphanset(repo): |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
919 """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
|
920 pfunc = repo.changelog.parentrevs |
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
921 mutable = _mutablerevs(repo) |
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
922 obsolete = getrevs(repo, 'obsolete') |
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
923 others = mutable - obsolete |
24928
876a2ebfbf4f
obsolete: speed up unstable computation
Laurent Charignon <lcharignon@fb.com>
parents:
24927
diff
changeset
|
924 unstable = set() |
33130
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
925 for r in sorted(others): |
24928
876a2ebfbf4f
obsolete: speed up unstable computation
Laurent Charignon <lcharignon@fb.com>
parents:
24927
diff
changeset
|
926 # 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
|
927 # 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
|
928 for p in pfunc(r): |
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
929 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
|
930 unstable.add(r) |
31ab1912678a
obsolete: skip 'changectx' usage in unstable computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33129
diff
changeset
|
931 break |
24928
876a2ebfbf4f
obsolete: speed up unstable computation
Laurent Charignon <lcharignon@fb.com>
parents:
24927
diff
changeset
|
932 return unstable |
17469
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
933 |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
934 @cachefor('suspended') |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
935 def _computesuspendedset(repo): |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
936 """the set of obsolete parents with non obsolete descendants""" |
33777
d4b7496f7d0b
obsolete: rename unstable volatile set into orphan volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33772
diff
changeset
|
937 suspended = repo.changelog.ancestors(getrevs(repo, 'orphan')) |
18276
834ef7e70d0f
performance: speedup computation of suspended revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18275
diff
changeset
|
938 return set(r for r in getrevs(repo, '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
|
939 |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
940 @cachefor('extinct') |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
941 def _computeextinctset(repo): |
fb72eec7efd8
obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17429
diff
changeset
|
942 """the set of obsolete parents without non obsolete descendants""" |
18277
a58260bc101f
performance: speedup computation of extinct revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18276
diff
changeset
|
943 return getrevs(repo, 'obsolete') - getrevs(repo, '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
|
944 |
17828
9495be4126ef
obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17827
diff
changeset
|
945 @cachefor('bumped') |
9495be4126ef
obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17827
diff
changeset
|
946 def _computebumpedset(repo): |
33779
9fa874fb34e1
obsolete: rename bumped volatile set into phasedivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33778
diff
changeset
|
947 msg = ("'bumped' volatile set is deprecated, " |
9fa874fb34e1
obsolete: rename bumped volatile set into phasedivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33778
diff
changeset
|
948 "use 'phasedivergent'") |
9fa874fb34e1
obsolete: rename bumped volatile set into phasedivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33778
diff
changeset
|
949 repo.ui.deprecwarn(msg, '4.4') |
9fa874fb34e1
obsolete: rename bumped volatile set into phasedivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33778
diff
changeset
|
950 |
9fa874fb34e1
obsolete: rename bumped volatile set into phasedivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33778
diff
changeset
|
951 return _computephasedivergentset(repo) |
9fa874fb34e1
obsolete: rename bumped volatile set into phasedivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33778
diff
changeset
|
952 |
9fa874fb34e1
obsolete: rename bumped volatile set into phasedivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33778
diff
changeset
|
953 @cachefor('phasedivergent') |
9fa874fb34e1
obsolete: rename bumped volatile set into phasedivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33778
diff
changeset
|
954 def _computephasedivergentset(repo): |
17828
9495be4126ef
obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17827
diff
changeset
|
955 """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
|
956 bumped = set() |
21024
7731a2281cf0
spelling: fixes from spell checker
Mads Kiilerich <madski@unity3d.com>
parents:
20599
diff
changeset
|
957 # util function (avoid attribute lookup in the loop) |
20207
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
958 phase = repo._phasecache.phase # would be faster to grab the full list |
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
959 public = phases.public |
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
960 cl = repo.changelog |
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
961 torev = cl.nodemap.get |
24927
cd0068232ec0
obsolete: speed up computation of bumped revset
Laurent Charignon <lcharignon@fb.com>
parents:
24393
diff
changeset
|
962 for ctx in repo.set('(not public()) and (not obsolete())'): |
cd0068232ec0
obsolete: speed up computation of bumped revset
Laurent Charignon <lcharignon@fb.com>
parents:
24393
diff
changeset
|
963 rev = ctx.rev() |
20207
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
964 # We only evaluate mutable, non-obsolete revision |
24927
cd0068232ec0
obsolete: speed up computation of bumped revset
Laurent Charignon <lcharignon@fb.com>
parents:
24393
diff
changeset
|
965 node = ctx.node() |
33734
0c3112f17610
obsolete: rename precursor into predecessor in obsolete docstrings
Boris Feld <boris.feld@octobus.net>
parents:
33733
diff
changeset
|
966 # (future) A cache of predecessors may worth if split is very common |
33735
e6d8ee3c9ec3
obsutil: rename allprecursors into allpredecessors
Boris Feld <boris.feld@octobus.net>
parents:
33734
diff
changeset
|
967 for pnode in obsutil.allpredecessors(repo.obsstore, [node], |
24927
cd0068232ec0
obsolete: speed up computation of bumped revset
Laurent Charignon <lcharignon@fb.com>
parents:
24393
diff
changeset
|
968 ignoreflags=bumpedfix): |
cd0068232ec0
obsolete: speed up computation of bumped revset
Laurent Charignon <lcharignon@fb.com>
parents:
24393
diff
changeset
|
969 prev = torev(pnode) # unfiltered! but so is phasecache |
cd0068232ec0
obsolete: speed up computation of bumped revset
Laurent Charignon <lcharignon@fb.com>
parents:
24393
diff
changeset
|
970 if (prev is not None) and (phase(repo, prev) <= public): |
33734
0c3112f17610
obsolete: rename precursor into predecessor in obsolete docstrings
Boris Feld <boris.feld@octobus.net>
parents:
33733
diff
changeset
|
971 # we have a public predecessor |
24927
cd0068232ec0
obsolete: speed up computation of bumped revset
Laurent Charignon <lcharignon@fb.com>
parents:
24393
diff
changeset
|
972 bumped.add(rev) |
cd0068232ec0
obsolete: speed up computation of bumped revset
Laurent Charignon <lcharignon@fb.com>
parents:
24393
diff
changeset
|
973 break # Next draft! |
20207
cd62532c62a1
obsolete: order of magnitude speedup in _computebumpedset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20206
diff
changeset
|
974 return bumped |
17828
9495be4126ef
obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17827
diff
changeset
|
975 |
18070
af632936d3d9
obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18069
diff
changeset
|
976 @cachefor('divergent') |
af632936d3d9
obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18069
diff
changeset
|
977 def _computedivergentset(repo): |
33778
f3f06c260e9e
obsolete: rename divergent volatile set into contentdivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33777
diff
changeset
|
978 msg = ("'divergent' volatile set is deprecated, " |
f3f06c260e9e
obsolete: rename divergent volatile set into contentdivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33777
diff
changeset
|
979 "use 'contentdivergent'") |
f3f06c260e9e
obsolete: rename divergent volatile set into contentdivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33777
diff
changeset
|
980 repo.ui.deprecwarn(msg, '4.4') |
f3f06c260e9e
obsolete: rename divergent volatile set into contentdivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33777
diff
changeset
|
981 |
f3f06c260e9e
obsolete: rename divergent volatile set into contentdivergent volatile set
Boris Feld <boris.feld@octobus.net>
parents:
33777
diff
changeset
|
982 return _computecontentdivergentset(repo) |
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983 |
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984 @cachefor('contentdivergent') |
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985 def _computecontentdivergentset(repo): |
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986 """the set of rev that compete to be the final successors of some revision. |
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987 """ |
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988 divergent = set() |
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989 obsstore = repo.obsstore |
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990 newermap = {} |
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991 for ctx in repo.set('(not public()) - obsolete()'): |
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992 mark = obsstore.predecessors.get(ctx.node(), ()) |
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993 toprocess = set(mark) |
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994 seen = set() |
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995 while toprocess: |
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996 prec = toprocess.pop()[0] |
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997 if prec in seen: |
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998 continue # emergency cycle hanging prevention |
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999 seen.add(prec) |
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1000 if prec not in newermap: |
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1001 obsutil.successorssets(repo, prec, cache=newermap) |
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1002 newer = [n for n in newermap[prec] if n] |
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1003 if len(newer) > 1: |
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1004 divergent.add(ctx.rev()) |
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1005 break |
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1006 toprocess.update(obsstore.predecessors.get(prec, ())) |
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1007 return divergent |
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1008 |
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1009 |
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1010 def createmarkers(repo, relations, flag=0, date=None, metadata=None, |
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1011 operation=None): |
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1012 """Add obsolete markers between changesets in a repo |
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1013 |
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1014 <relations> must be an iterable of (<old>, (<new>, ...)[,{metadata}]) |
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1015 tuple. `old` and `news` are changectx. metadata is an optional dictionary |
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1016 containing metadata for this marker only. It is merged with the global |
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1017 metadata specified through the `metadata` argument of this function, |
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1018 |
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1019 Trying to obsolete a public changeset will raise an exception. |
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1020 |
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1021 Current user and date are used except if specified otherwise in the |
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1022 metadata attribute. |
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1023 |
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1024 This function operates within a transaction of its own, but does |
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1025 not take any lock on the repo. |
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1026 """ |
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1027 # prepare metadata |
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1028 if metadata is None: |
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1029 metadata = {} |
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1030 if 'user' not in metadata: |
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1031 metadata['user'] = repo.ui.username() |
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1032 useoperation = repo.ui.configbool('experimental', |
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1033 'stabilization.track-operation') |
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1034 if useoperation and operation: |
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1035 metadata['operation'] = operation |
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1036 tr = repo.transaction('add-obsolescence-marker') |
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1037 try: |
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1038 markerargs = [] |
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1039 for rel in relations: |
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1040 prec = rel[0] |
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1041 sucs = rel[1] |
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1042 localmetadata = metadata.copy() |
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1043 if 2 < len(rel): |
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1044 localmetadata.update(rel[2]) |
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1045 |
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1046 if not prec.mutable(): |
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1047 raise error.Abort(_("cannot obsolete public changeset: %s") |
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1048 % prec, |
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1049 hint="see 'hg help phases' for details") |
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1050 nprec = prec.node() |
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1051 nsucs = tuple(s.node() for s in sucs) |
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1052 npare = None |
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1053 if not nsucs: |
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1054 npare = tuple(p.node() for p in prec.parents()) |
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1055 if nprec in nsucs: |
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1056 raise error.Abort(_("changeset %s cannot obsolete itself") |
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1057 % prec) |
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1058 |
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1059 # Creating the marker causes the hidden cache to become invalid, |
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1060 # which causes recomputation when we ask for prec.parents() above. |
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1061 # Resulting in n^2 behavior. So let's prepare all of the args |
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1062 # first, then create the markers. |
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1063 markerargs.append((nprec, nsucs, npare, localmetadata)) |
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1064 |
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1065 for args in markerargs: |
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1066 nprec, nsucs, npare, localmetadata = args |
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1067 repo.obsstore.create(tr, nprec, nsucs, flag, parents=npare, |
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1068 date=date, metadata=localmetadata, |
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1069 ui=repo.ui) |
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1070 repo.filteredrevcache.clear() |
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1071 tr.close() |
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1072 finally: |
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1073 tr.release() |