Mercurial > hg
annotate mercurial/pure/parsers.py @ 47686:e43128ee436f
dirstate-item: introduce a `dm_otherparent` property
See inline documentation for details.
Differential Revision: https://phab.mercurial-scm.org/D11124
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 14 Jul 2021 22:06:13 +0200 |
parents | 265cdfaad372 |
children | 3853e6ee160d |
rev | line source |
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1 # parsers.py - Python implementation of parsers.c |
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2 # |
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3 # Copyright 2009 Olivia Mackall <olivia@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import struct |
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11 import zlib |
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12 |
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13 from ..node import ( |
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14 nullrev, |
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15 sha1nodeconstants, |
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16 ) |
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17 from ..thirdparty import attr |
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18 from .. import ( |
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19 error, |
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20 pycompat, |
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21 revlogutils, |
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22 util, |
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23 ) |
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24 |
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25 from ..revlogutils import nodemap as nodemaputil |
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26 from ..revlogutils import constants as revlog_constants |
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27 |
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28 stringio = pycompat.bytesio |
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29 |
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30 |
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31 _pack = struct.pack |
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32 _unpack = struct.unpack |
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33 _compress = zlib.compress |
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34 _decompress = zlib.decompress |
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35 |
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36 |
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37 # a special value used internally for `size` if the file come from the other parent |
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38 FROM_P2 = -2 |
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39 |
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40 # a special value used internally for `size` if the file is modified/merged/added |
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41 NONNORMAL = -1 |
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42 |
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43 # a special value used internally for `time` if the time is ambigeous |
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44 AMBIGUOUS_TIME = -1 |
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45 |
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46 |
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47 @attr.s(slots=True, init=False) |
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48 class DirstateItem(object): |
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49 """represent a dirstate entry |
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50 |
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51 It contains: |
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52 |
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53 - state (one of 'n', 'a', 'r', 'm') |
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54 - mode, |
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55 - size, |
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56 - mtime, |
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57 """ |
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58 |
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59 _state = attr.ib() |
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60 _mode = attr.ib() |
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61 _size = attr.ib() |
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62 _mtime = attr.ib() |
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63 |
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64 def __init__(self, state, mode, size, mtime): |
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65 self._state = state |
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66 self._mode = mode |
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67 self._size = size |
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68 self._mtime = mtime |
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69 |
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70 @classmethod |
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71 def from_v1_data(cls, state, mode, size, mtime): |
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72 """Build a new DirstateItem object from V1 data |
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73 |
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74 Since the dirstate-v1 format is frozen, the signature of this function |
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75 is not expected to change, unlike the __init__ one. |
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76 """ |
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77 return cls( |
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78 state=state, |
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79 mode=mode, |
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80 size=size, |
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81 mtime=mtime, |
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82 ) |
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83 |
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84 def set_possibly_dirty(self): |
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85 """Mark a file as "possibly dirty" |
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86 |
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87 This means the next status call will have to actually check its content |
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88 to make sure it is correct. |
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89 """ |
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90 self._mtime = AMBIGUOUS_TIME |
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91 |
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92 def __getitem__(self, idx): |
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93 if idx == 0 or idx == -4: |
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94 msg = b"do not use item[x], use item.state" |
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95 util.nouideprecwarn(msg, b'6.0', stacklevel=2) |
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96 return self._state |
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97 elif idx == 1 or idx == -3: |
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98 msg = b"do not use item[x], use item.mode" |
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99 util.nouideprecwarn(msg, b'6.0', stacklevel=2) |
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100 return self._mode |
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101 elif idx == 2 or idx == -2: |
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102 msg = b"do not use item[x], use item.size" |
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103 util.nouideprecwarn(msg, b'6.0', stacklevel=2) |
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104 return self._size |
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105 elif idx == 3 or idx == -1: |
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106 msg = b"do not use item[x], use item.mtime" |
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107 util.nouideprecwarn(msg, b'6.0', stacklevel=2) |
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108 return self._mtime |
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109 else: |
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110 raise IndexError(idx) |
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111 |
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112 @property |
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113 def mode(self): |
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114 return self._mode |
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115 |
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116 @property |
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117 def size(self): |
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118 return self._size |
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119 |
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120 @property |
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121 def mtime(self): |
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122 return self._mtime |
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123 |
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124 @property |
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125 def state(self): |
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126 """ |
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127 States are: |
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128 n normal |
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129 m needs merging |
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130 r marked for removal |
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131 a marked for addition |
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132 |
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133 XXX This "state" is a bit obscure and mostly a direct expression of the |
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134 dirstatev1 format. It would make sense to ultimately deprecate it in |
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135 favor of the more "semantic" attributes. |
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136 """ |
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137 return self._state |
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138 |
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139 @property |
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140 def tracked(self): |
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141 """True is the file is tracked in the working copy""" |
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142 return self._state in b"nma" |
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143 |
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144 @property |
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145 def added(self): |
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146 """True if the file has been added""" |
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147 return self._state == b'a' |
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148 |
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149 @property |
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150 def merged(self): |
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151 """True if the file has been merged |
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152 |
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153 Should only be set if a merge is in progress in the dirstate |
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154 """ |
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155 return self._state == b'm' |
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156 |
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157 @property |
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158 def from_p2(self): |
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159 """True if the file have been fetched from p2 during the current merge |
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160 |
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161 This is only True is the file is currently tracked. |
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162 |
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163 Should only be set if a merge is in progress in the dirstate |
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164 """ |
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165 return self._state == b'n' and self._size == FROM_P2 |
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166 |
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167 @property |
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168 def from_p2_removed(self): |
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169 """True if the file has been removed, but was "from_p2" initially |
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170 |
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171 This property seems like an abstraction leakage and should probably be |
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172 dealt in this class (or maybe the dirstatemap) directly. |
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173 """ |
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174 return self._state == b'r' and self._size == FROM_P2 |
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175 |
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176 @property |
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177 def removed(self): |
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178 """True if the file has been removed""" |
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179 return self._state == b'r' |
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180 |
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181 @property |
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182 def merged_removed(self): |
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183 """True if the file has been removed, but was "merged" initially |
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184 |
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185 This property seems like an abstraction leakage and should probably be |
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186 dealt in this class (or maybe the dirstatemap) directly. |
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187 """ |
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188 return self._state == b'r' and self._size == NONNORMAL |
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189 |
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190 @property |
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191 def dm_nonnormal(self): |
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192 """True is the entry is non-normal in the dirstatemap sense |
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193 |
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194 There is no reason for any code, but the dirstatemap one to use this. |
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195 """ |
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196 return self.state != b'n' or self.mtime == AMBIGUOUS_TIME |
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197 |
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198 @property |
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199 def dm_otherparent(self): |
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200 """True is the entry is `otherparent` in the dirstatemap sense |
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201 |
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202 There is no reason for any code, but the dirstatemap one to use this. |
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203 """ |
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204 return self._size == FROM_P2 |
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205 |
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206 def v1_state(self): |
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207 """return a "state" suitable for v1 serialization""" |
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208 return self._state |
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209 |
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210 def v1_mode(self): |
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211 """return a "mode" suitable for v1 serialization""" |
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212 return self._mode |
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213 |
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214 def v1_size(self): |
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215 """return a "size" suitable for v1 serialization""" |
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216 return self._size |
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217 |
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218 def v1_mtime(self): |
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219 """return a "mtime" suitable for v1 serialization""" |
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220 return self._mtime |
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221 |
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222 def need_delay(self, now): |
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223 """True if the stored mtime would be ambiguous with the current time""" |
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224 return self._state == b'n' and self._mtime == now |
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225 |
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226 |
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227 def gettype(q): |
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228 return int(q & 0xFFFF) |
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229 |
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230 |
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231 class BaseIndexObject(object): |
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232 # Can I be passed to an algorithme implemented in Rust ? |
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233 rust_ext_compat = 0 |
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234 # Format of an index entry according to Python's `struct` language |
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235 index_format = revlog_constants.INDEX_ENTRY_V1 |
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236 # Size of a C unsigned long long int, platform independent |
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237 big_int_size = struct.calcsize(b'>Q') |
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238 # Size of a C long int, platform independent |
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239 int_size = struct.calcsize(b'>i') |
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240 # An empty index entry, used as a default value to be overridden, or nullrev |
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241 null_item = ( |
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242 0, |
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243 0, |
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244 0, |
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245 -1, |
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246 -1, |
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247 -1, |
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248 -1, |
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249 sha1nodeconstants.nullid, |
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250 0, |
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251 0, |
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252 revlog_constants.COMP_MODE_INLINE, |
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253 revlog_constants.COMP_MODE_INLINE, |
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254 ) |
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255 |
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256 @util.propertycache |
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257 def entry_size(self): |
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258 return self.index_format.size |
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259 |
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260 @property |
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261 def nodemap(self): |
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262 msg = b"index.nodemap is deprecated, use index.[has_node|rev|get_rev]" |
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263 util.nouideprecwarn(msg, b'5.3', stacklevel=2) |
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264 return self._nodemap |
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265 |
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266 @util.propertycache |
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267 def _nodemap(self): |
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268 nodemap = nodemaputil.NodeMap({sha1nodeconstants.nullid: nullrev}) |
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269 for r in range(0, len(self)): |
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270 n = self[r][7] |
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271 nodemap[n] = r |
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272 return nodemap |
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273 |
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274 def has_node(self, node): |
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275 """return True if the node exist in the index""" |
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276 return node in self._nodemap |
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277 |
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278 def rev(self, node): |
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279 """return a revision for a node |
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280 |
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281 If the node is unknown, raise a RevlogError""" |
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282 return self._nodemap[node] |
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283 |
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284 def get_rev(self, node): |
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285 """return a revision for a node |
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286 |
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287 If the node is unknown, return None""" |
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288 return self._nodemap.get(node) |
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289 |
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290 def _stripnodes(self, start): |
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291 if '_nodemap' in vars(self): |
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292 for r in range(start, len(self)): |
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293 n = self[r][7] |
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294 del self._nodemap[n] |
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295 |
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296 def clearcaches(self): |
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297 self.__dict__.pop('_nodemap', None) |
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298 |
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299 def __len__(self): |
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300 return self._lgt + len(self._extra) |
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301 |
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302 def append(self, tup): |
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303 if '_nodemap' in vars(self): |
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304 self._nodemap[tup[7]] = len(self) |
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305 data = self._pack_entry(len(self), tup) |
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306 self._extra.append(data) |
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307 |
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308 def _pack_entry(self, rev, entry): |
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309 assert entry[8] == 0 |
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310 assert entry[9] == 0 |
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311 return self.index_format.pack(*entry[:8]) |
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312 |
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313 def _check_index(self, i): |
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314 if not isinstance(i, int): |
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315 raise TypeError(b"expecting int indexes") |
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316 if i < 0 or i >= len(self): |
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317 raise IndexError |
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318 |
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319 def __getitem__(self, i): |
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320 if i == -1: |
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321 return self.null_item |
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322 self._check_index(i) |
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323 if i >= self._lgt: |
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324 data = self._extra[i - self._lgt] |
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325 else: |
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326 index = self._calculate_index(i) |
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327 data = self._data[index : index + self.entry_size] |
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328 r = self._unpack_entry(i, data) |
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329 if self._lgt and i == 0: |
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330 offset = revlogutils.offset_type(0, gettype(r[0])) |
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331 r = (offset,) + r[1:] |
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332 return r |
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333 |
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334 def _unpack_entry(self, rev, data): |
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335 r = self.index_format.unpack(data) |
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336 r = r + ( |
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337 0, |
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338 0, |
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339 revlog_constants.COMP_MODE_INLINE, |
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340 revlog_constants.COMP_MODE_INLINE, |
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341 ) |
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342 return r |
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343 |
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344 def pack_header(self, header): |
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345 """pack header information as binary""" |
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346 v_fmt = revlog_constants.INDEX_HEADER |
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347 return v_fmt.pack(header) |
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348 |
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349 def entry_binary(self, rev): |
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350 """return the raw binary string representing a revision""" |
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351 entry = self[rev] |
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352 p = revlog_constants.INDEX_ENTRY_V1.pack(*entry[:8]) |
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353 if rev == 0: |
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354 p = p[revlog_constants.INDEX_HEADER.size :] |
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355 return p |
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356 |
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357 |
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358 class IndexObject(BaseIndexObject): |
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359 def __init__(self, data): |
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360 assert len(data) % self.entry_size == 0, ( |
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361 len(data), |
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362 self.entry_size, |
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363 len(data) % self.entry_size, |
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364 ) |
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365 self._data = data |
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366 self._lgt = len(data) // self.entry_size |
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367 self._extra = [] |
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368 |
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369 def _calculate_index(self, i): |
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370 return i * self.entry_size |
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372 def __delitem__(self, i): |
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373 if not isinstance(i, slice) or not i.stop == -1 or i.step is not None: |
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374 raise ValueError(b"deleting slices only supports a:-1 with step 1") |
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375 i = i.start |
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376 self._check_index(i) |
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377 self._stripnodes(i) |
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378 if i < self._lgt: |
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379 self._data = self._data[: i * self.entry_size] |
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380 self._lgt = i |
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381 self._extra = [] |
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382 else: |
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383 self._extra = self._extra[: i - self._lgt] |
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384 |
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385 |
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386 class PersistentNodeMapIndexObject(IndexObject): |
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387 """a Debug oriented class to test persistent nodemap |
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388 |
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389 We need a simple python object to test API and higher level behavior. See |
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390 the Rust implementation for more serious usage. This should be used only |
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391 through the dedicated `devel.persistent-nodemap` config. |
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392 """ |
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393 |
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394 def nodemap_data_all(self): |
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395 """Return bytes containing a full serialization of a nodemap |
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396 |
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397 The nodemap should be valid for the full set of revisions in the |
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398 index.""" |
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399 return nodemaputil.persistent_data(self) |
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400 |
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401 def nodemap_data_incremental(self): |
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402 """Return bytes containing a incremental update to persistent nodemap |
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403 |
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404 This containst the data for an append-only update of the data provided |
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405 in the last call to `update_nodemap_data`. |
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406 """ |
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407 if self._nm_root is None: |
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408 return None |
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409 docket = self._nm_docket |
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410 changed, data = nodemaputil.update_persistent_data( |
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411 self, self._nm_root, self._nm_max_idx, self._nm_docket.tip_rev |
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412 ) |
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413 |
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414 self._nm_root = self._nm_max_idx = self._nm_docket = None |
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415 return docket, changed, data |
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416 |
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417 def update_nodemap_data(self, docket, nm_data): |
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418 """provide full block of persisted binary data for a nodemap |
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419 |
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420 The data are expected to come from disk. See `nodemap_data_all` for a |
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421 produceur of such data.""" |
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422 if nm_data is not None: |
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423 self._nm_root, self._nm_max_idx = nodemaputil.parse_data(nm_data) |
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424 if self._nm_root: |
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425 self._nm_docket = docket |
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426 else: |
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427 self._nm_root = self._nm_max_idx = self._nm_docket = None |
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428 |
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429 |
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430 class InlinedIndexObject(BaseIndexObject): |
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431 def __init__(self, data, inline=0): |
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432 self._data = data |
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433 self._lgt = self._inline_scan(None) |
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434 self._inline_scan(self._lgt) |
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435 self._extra = [] |
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436 |
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437 def _inline_scan(self, lgt): |
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438 off = 0 |
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439 if lgt is not None: |
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440 self._offsets = [0] * lgt |
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441 count = 0 |
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442 while off <= len(self._data) - self.entry_size: |
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443 start = off + self.big_int_size |
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444 (s,) = struct.unpack( |
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445 b'>i', |
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446 self._data[start : start + self.int_size], |
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447 ) |
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448 if lgt is not None: |
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449 self._offsets[count] = off |
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450 count += 1 |
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451 off += self.entry_size + s |
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452 if off != len(self._data): |
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453 raise ValueError(b"corrupted data") |
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454 return count |
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455 |
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456 def __delitem__(self, i): |
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Alex Gaynor <agaynor@mozilla.com>
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457 if not isinstance(i, slice) or not i.stop == -1 or i.step is not None: |
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458 raise ValueError(b"deleting slices only supports a:-1 with step 1") |
39217
5961517fd2a8
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Martin von Zweigbergk <martinvonz@google.com>
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39216
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|
459 i = i.start |
5961517fd2a8
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Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
460 self._check_index(i) |
43533
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|
461 self._stripnodes(i) |
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462 if i < self._lgt: |
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463 self._offsets = self._offsets[:i] |
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464 self._lgt = i |
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465 self._extra = [] |
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466 else: |
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467 self._extra = self._extra[: i - self._lgt] |
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468 |
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469 def _calculate_index(self, i): |
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470 return self._offsets[i] |
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471 |
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|
472 |
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|
473 def parse_index2(data, inline, revlogv2=False): |
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474 if not inline: |
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475 cls = IndexObject2 if revlogv2 else IndexObject |
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476 return cls(data), None |
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477 cls = InlinedIndexObject |
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478 return cls(data, inline), (0, data) |
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|
479 |
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|
480 |
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|
481 def parse_index_cl_v2(data): |
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|
482 return IndexChangelogV2(data), None |
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483 |
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484 |
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485 class IndexObject2(IndexObject): |
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486 index_format = revlog_constants.INDEX_ENTRY_V2 |
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|
487 |
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|
488 def replace_sidedata_info( |
47259
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489 self, |
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490 rev, |
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491 sidedata_offset, |
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492 sidedata_length, |
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493 offset_flags, |
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494 compression_mode, |
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495 ): |
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496 """ |
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|
497 Replace an existing index entry's sidedata offset and length with new |
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|
498 ones. |
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|
499 This cannot be used outside of the context of sidedata rewriting, |
47243
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|
500 inside the transaction that creates the revision `rev`. |
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|
501 """ |
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|
502 if rev < 0: |
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|
503 raise KeyError |
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|
504 self._check_index(rev) |
47244
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|
505 if rev < self._lgt: |
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506 msg = b"cannot rewrite entries outside of this transaction" |
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|
507 raise KeyError(msg) |
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|
508 else: |
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|
509 entry = list(self[rev]) |
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|
510 entry[0] = offset_flags |
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|
511 entry[8] = sidedata_offset |
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|
512 entry[9] = sidedata_length |
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|
513 entry[11] = compression_mode |
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|
514 entry = tuple(entry) |
47267
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|
515 new = self._pack_entry(rev, entry) |
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|
516 self._extra[rev - self._lgt] = new |
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517 |
47267
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|
518 def _unpack_entry(self, rev, data): |
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|
519 data = self.index_format.unpack(data) |
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|
520 entry = data[:10] |
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|
521 data_comp = data[10] & 3 |
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|
522 sidedata_comp = (data[10] & (3 << 2)) >> 2 |
2b69555e4875
revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47251
diff
changeset
|
523 return entry + (data_comp, sidedata_comp) |
47142
4292bed8da7c
revlog: make the index always return the same tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47078
diff
changeset
|
524 |
47267
55d280bc59fa
revlog: pass around the `rev` we deal with when packing/unpacking entry
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47262
diff
changeset
|
525 def _pack_entry(self, rev, entry): |
47256
2b69555e4875
revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47251
diff
changeset
|
526 data = entry[:10] |
2b69555e4875
revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47251
diff
changeset
|
527 data_comp = entry[10] & 3 |
2b69555e4875
revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47251
diff
changeset
|
528 sidedata_comp = (entry[11] & 3) << 2 |
2b69555e4875
revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47251
diff
changeset
|
529 data += (data_comp | sidedata_comp,) |
2b69555e4875
revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47251
diff
changeset
|
530 |
2b69555e4875
revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47251
diff
changeset
|
531 return self.index_format.pack(*data) |
47143
47ffc754989a
revlog: always "append" full size tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47142
diff
changeset
|
532 |
47037
d57386e5c80e
revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47034
diff
changeset
|
533 def entry_binary(self, rev): |
47034
0d8ff1f4ab0c
revlog: add a `entry_binary` method on index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47012
diff
changeset
|
534 """return the raw binary string representing a revision""" |
0d8ff1f4ab0c
revlog: add a `entry_binary` method on index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47012
diff
changeset
|
535 entry = self[rev] |
47267
55d280bc59fa
revlog: pass around the `rev` we deal with when packing/unpacking entry
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47262
diff
changeset
|
536 return self._pack_entry(rev, entry) |
47034
0d8ff1f4ab0c
revlog: add a `entry_binary` method on index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47012
diff
changeset
|
537 |
47235
6b1eae313b2f
revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47143
diff
changeset
|
538 def pack_header(self, header): |
6b1eae313b2f
revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47143
diff
changeset
|
539 """pack header information as binary""" |
6b1eae313b2f
revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47143
diff
changeset
|
540 msg = 'version header should go in the docket, not the index: %d' |
6b1eae313b2f
revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47143
diff
changeset
|
541 msg %= header |
6b1eae313b2f
revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47143
diff
changeset
|
542 raise error.ProgrammingError(msg) |
6b1eae313b2f
revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47143
diff
changeset
|
543 |
46704
913485776542
revlog: introduce v2 format
Raphaël Gomès <rgomes@octobus.net>
parents:
46635
diff
changeset
|
544 |
47270
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
545 class IndexChangelogV2(IndexObject2): |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
546 index_format = revlog_constants.INDEX_ENTRY_CL_V2 |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
547 |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
548 def _unpack_entry(self, rev, data, r=True): |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
549 items = self.index_format.unpack(data) |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
550 entry = items[:3] + (rev, rev) + items[3:8] |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
551 data_comp = items[8] & 3 |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
552 sidedata_comp = (items[8] >> 2) & 3 |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
553 return entry + (data_comp, sidedata_comp) |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
554 |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
555 def _pack_entry(self, rev, entry): |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
556 assert entry[3] == rev, entry[3] |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
557 assert entry[4] == rev, entry[4] |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
558 data = entry[:3] + entry[5:10] |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
559 data_comp = entry[10] & 3 |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
560 sidedata_comp = (entry[11] & 3) << 2 |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
561 data += (data_comp | sidedata_comp,) |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
562 return self.index_format.pack(*data) |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
563 |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
564 |
44313
6f9e8e142cea
nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
44034
diff
changeset
|
565 def parse_index_devel_nodemap(data, inline): |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45936
diff
changeset
|
566 """like parse_index2, but alway return a PersistentNodeMapIndexObject""" |
44313
6f9e8e142cea
nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
44034
diff
changeset
|
567 return PersistentNodeMapIndexObject(data), None |
6f9e8e142cea
nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
44034
diff
changeset
|
568 |
6f9e8e142cea
nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
44034
diff
changeset
|
569 |
7700
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
570 def parse_dirstate(dmap, copymap, st): |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
39217
diff
changeset
|
571 parents = [st[:20], st[20:40]] |
17425
e95ec38f86b0
fix wording and not-completely-trivial spelling errors and bad docstrings
Mads Kiilerich <mads@kiilerich.com>
parents:
14995
diff
changeset
|
572 # dereference fields so they will be local in loop |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
573 format = b">cllll" |
7945
94d7e14cfa42
pure/parsers: fix circular imports, import mercurial modules properly
Matt Mackall <mpm@selenic.com>
parents:
7873
diff
changeset
|
574 e_size = struct.calcsize(format) |
7700
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
575 pos1 = 40 |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
576 l = len(st) |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
577 |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
578 # the inner loop |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
579 while pos1 < l: |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
580 pos2 = pos1 + e_size |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
581 e = _unpack(b">cllll", st[pos1:pos2]) # a literal here is faster |
7700
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
582 pos1 = pos2 + e[4] |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
583 f = st[pos2:pos1] |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
584 if b'\0' in f: |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
585 f, c = f.split(b'\0') |
7700
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
586 copymap[f] = c |
47665
a4443f66be6a
dirstate-item: add a `from_v1_data` constructor
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47664
diff
changeset
|
587 dmap[f] = DirstateItem.from_v1_data(*e[:4]) |
7700
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
588 return parents |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
589 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
39217
diff
changeset
|
590 |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
591 def pack_dirstate(dmap, copymap, pl, now): |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
592 now = int(now) |
28861
86db5cb55d46
pycompat: switch to util.stringio for py3 compat
timeless <timeless@mozdev.org>
parents:
27339
diff
changeset
|
593 cs = stringio() |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
594 write = cs.write |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
595 write(b"".join(pl)) |
43106
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43077
diff
changeset
|
596 for f, e in pycompat.iteritems(dmap): |
47540
1a6302427eb9
dirstate-item: use need_delay when packing dirstate
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47539
diff
changeset
|
597 if e.need_delay(now): |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
598 # The file was last modified "simultaneously" with the current |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
599 # write to dirstate (i.e. within the same second for file- |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
600 # systems with a granularity of 1 sec). This commonly happens |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
601 # for at least a couple of files on 'update'. |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
602 # The user could change the file without changing its size |
19652
187bf2dde7c1
pack_dirstate: only invalidate mtime for files written in the last second
Siddharth Agarwal <sid0@fb.com>
parents:
18567
diff
changeset
|
603 # within the same second. Invalidate the file's mtime in |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
604 # dirstate, forcing future 'status' calls to compare the |
19652
187bf2dde7c1
pack_dirstate: only invalidate mtime for files written in the last second
Siddharth Agarwal <sid0@fb.com>
parents:
18567
diff
changeset
|
605 # contents of the file if the size is the same. This prevents |
187bf2dde7c1
pack_dirstate: only invalidate mtime for files written in the last second
Siddharth Agarwal <sid0@fb.com>
parents:
18567
diff
changeset
|
606 # mistakenly treating such files as clean. |
47667
d06ced90c80f
dirstate-item: use `set_possibly_dirty` in `pure.pack_dirstate`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47666
diff
changeset
|
607 e.set_possibly_dirty() |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
608 |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
609 if f in copymap: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
610 f = b"%s\0%s" % (f, copymap[f]) |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
611 e = _pack( |
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
612 b">cllll", |
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
613 e.v1_state(), |
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
614 e.v1_mode(), |
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
615 e.v1_size(), |
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
616 e.v1_mtime(), |
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
617 len(f), |
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
618 ) |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
619 write(e) |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
620 write(f) |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
621 return cs.getvalue() |