Mercurial > hg
annotate mercurial/pure/parsers.py @ 49044:be9bf75a837c
dirstate: remove v1_* methods from Python/C/Rust shared API
These methods are used for v1 parsing by their respective implementations, but
do not need to be shared between them.
Differential Revision: https://phab.mercurial-scm.org/D12447
author | Raphaël Gomès <rgomes@octobus.net> |
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date | Tue, 22 Mar 2022 16:33:18 +0100 |
parents | 642e31cb55f0 |
children | 4c75f00b199e |
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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 |
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9 import io |
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10 import stat |
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11 import struct |
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12 import zlib |
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13 |
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14 from ..node import ( |
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15 nullrev, |
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16 sha1nodeconstants, |
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17 ) |
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18 from ..thirdparty import attr |
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19 from .. import ( |
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20 error, |
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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 = io.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 # Bits of the `flags` byte inside a node in the file format |
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47 DIRSTATE_V2_WDIR_TRACKED = 1 << 0 |
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48 DIRSTATE_V2_P1_TRACKED = 1 << 1 |
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49 DIRSTATE_V2_P2_INFO = 1 << 2 |
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50 DIRSTATE_V2_MODE_EXEC_PERM = 1 << 3 |
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51 DIRSTATE_V2_MODE_IS_SYMLINK = 1 << 4 |
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52 DIRSTATE_V2_HAS_FALLBACK_EXEC = 1 << 5 |
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53 DIRSTATE_V2_FALLBACK_EXEC = 1 << 6 |
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54 DIRSTATE_V2_HAS_FALLBACK_SYMLINK = 1 << 7 |
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55 DIRSTATE_V2_FALLBACK_SYMLINK = 1 << 8 |
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56 DIRSTATE_V2_EXPECTED_STATE_IS_MODIFIED = 1 << 9 |
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57 DIRSTATE_V2_HAS_MODE_AND_SIZE = 1 << 10 |
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58 DIRSTATE_V2_HAS_MTIME = 1 << 11 |
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59 DIRSTATE_V2_MTIME_SECOND_AMBIGUOUS = 1 << 12 |
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60 DIRSTATE_V2_DIRECTORY = 1 << 13 |
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61 DIRSTATE_V2_ALL_UNKNOWN_RECORDED = 1 << 14 |
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62 DIRSTATE_V2_ALL_IGNORED_RECORDED = 1 << 15 |
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63 |
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64 |
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65 @attr.s(slots=True, init=False) |
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66 class DirstateItem: |
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67 """represent a dirstate entry |
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68 |
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69 It hold multiple attributes |
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70 |
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71 # about file tracking |
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72 - wc_tracked: is the file tracked by the working copy |
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73 - p1_tracked: is the file tracked in working copy first parent |
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74 - p2_info: the file has been involved in some merge operation. Either |
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75 because it was actually merged, or because the p2 version was |
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76 ahead, or because some rename moved it there. In either case |
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77 `hg status` will want it displayed as modified. |
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78 |
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79 # about the file state expected from p1 manifest: |
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80 - mode: the file mode in p1 |
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81 - size: the file size in p1 |
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82 |
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83 These value can be set to None, which mean we don't have a meaningful value |
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84 to compare with. Either because we don't really care about them as there |
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85 `status` is known without having to look at the disk or because we don't |
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86 know these right now and a full comparison will be needed to find out if |
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87 the file is clean. |
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88 |
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89 # about the file state on disk last time we saw it: |
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90 - mtime: the last known clean mtime for the file. |
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91 |
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92 This value can be set to None if no cachable state exist. Either because we |
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93 do not care (see previous section) or because we could not cache something |
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94 yet. |
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95 """ |
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96 |
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97 _wc_tracked = attr.ib() |
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98 _p1_tracked = attr.ib() |
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99 _p2_info = attr.ib() |
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100 _mode = attr.ib() |
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101 _size = attr.ib() |
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102 _mtime_s = attr.ib() |
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103 _mtime_ns = attr.ib() |
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104 _fallback_exec = attr.ib() |
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105 _fallback_symlink = attr.ib() |
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106 _mtime_second_ambiguous = attr.ib() |
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107 |
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108 def __init__( |
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109 self, |
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110 wc_tracked=False, |
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111 p1_tracked=False, |
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112 p2_info=False, |
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113 has_meaningful_data=True, |
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114 has_meaningful_mtime=True, |
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115 parentfiledata=None, |
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116 fallback_exec=None, |
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117 fallback_symlink=None, |
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118 ): |
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119 self._wc_tracked = wc_tracked |
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120 self._p1_tracked = p1_tracked |
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121 self._p2_info = p2_info |
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122 |
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123 self._fallback_exec = fallback_exec |
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124 self._fallback_symlink = fallback_symlink |
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125 |
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126 self._mode = None |
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127 self._size = None |
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128 self._mtime_s = None |
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129 self._mtime_ns = None |
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130 self._mtime_second_ambiguous = False |
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131 if parentfiledata is None: |
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132 has_meaningful_mtime = False |
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133 has_meaningful_data = False |
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134 elif parentfiledata[2] is None: |
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135 has_meaningful_mtime = False |
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136 if has_meaningful_data: |
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137 self._mode = parentfiledata[0] |
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138 self._size = parentfiledata[1] |
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139 if has_meaningful_mtime: |
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140 ( |
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141 self._mtime_s, |
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142 self._mtime_ns, |
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143 self._mtime_second_ambiguous, |
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144 ) = parentfiledata[2] |
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145 |
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146 @classmethod |
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147 def from_v2_data(cls, flags, size, mtime_s, mtime_ns): |
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148 """Build a new DirstateItem object from V2 data""" |
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149 has_mode_size = bool(flags & DIRSTATE_V2_HAS_MODE_AND_SIZE) |
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150 has_meaningful_mtime = bool(flags & DIRSTATE_V2_HAS_MTIME) |
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151 mode = None |
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152 |
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153 if flags & +DIRSTATE_V2_EXPECTED_STATE_IS_MODIFIED: |
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154 # we do not have support for this flag in the code yet, |
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155 # force a lookup for this file. |
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156 has_mode_size = False |
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157 has_meaningful_mtime = False |
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158 |
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159 fallback_exec = None |
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160 if flags & DIRSTATE_V2_HAS_FALLBACK_EXEC: |
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161 fallback_exec = flags & DIRSTATE_V2_FALLBACK_EXEC |
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162 |
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163 fallback_symlink = None |
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164 if flags & DIRSTATE_V2_HAS_FALLBACK_SYMLINK: |
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165 fallback_symlink = flags & DIRSTATE_V2_FALLBACK_SYMLINK |
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166 |
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167 if has_mode_size: |
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168 assert stat.S_IXUSR == 0o100 |
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169 if flags & DIRSTATE_V2_MODE_EXEC_PERM: |
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170 mode = 0o755 |
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171 else: |
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172 mode = 0o644 |
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173 if flags & DIRSTATE_V2_MODE_IS_SYMLINK: |
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174 mode |= stat.S_IFLNK |
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175 else: |
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176 mode |= stat.S_IFREG |
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177 |
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178 second_ambiguous = flags & DIRSTATE_V2_MTIME_SECOND_AMBIGUOUS |
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179 return cls( |
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180 wc_tracked=bool(flags & DIRSTATE_V2_WDIR_TRACKED), |
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181 p1_tracked=bool(flags & DIRSTATE_V2_P1_TRACKED), |
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182 p2_info=bool(flags & DIRSTATE_V2_P2_INFO), |
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183 has_meaningful_data=has_mode_size, |
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184 has_meaningful_mtime=has_meaningful_mtime, |
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185 parentfiledata=(mode, size, (mtime_s, mtime_ns, second_ambiguous)), |
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186 fallback_exec=fallback_exec, |
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187 fallback_symlink=fallback_symlink, |
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188 ) |
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189 |
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190 @classmethod |
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191 def from_v1_data(cls, state, mode, size, mtime): |
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192 """Build a new DirstateItem object from V1 data |
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193 |
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194 Since the dirstate-v1 format is frozen, the signature of this function |
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195 is not expected to change, unlike the __init__ one. |
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196 """ |
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197 if state == b'm': |
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198 return cls(wc_tracked=True, p1_tracked=True, p2_info=True) |
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199 elif state == b'a': |
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200 return cls(wc_tracked=True) |
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201 elif state == b'r': |
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202 if size == NONNORMAL: |
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203 p1_tracked = True |
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204 p2_info = True |
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205 elif size == FROM_P2: |
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206 p1_tracked = False |
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207 p2_info = True |
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208 else: |
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209 p1_tracked = True |
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210 p2_info = False |
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211 return cls(p1_tracked=p1_tracked, p2_info=p2_info) |
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212 elif state == b'n': |
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213 if size == FROM_P2: |
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214 return cls(wc_tracked=True, p2_info=True) |
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215 elif size == NONNORMAL: |
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216 return cls(wc_tracked=True, p1_tracked=True) |
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217 elif mtime == AMBIGUOUS_TIME: |
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218 return cls( |
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219 wc_tracked=True, |
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220 p1_tracked=True, |
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221 has_meaningful_mtime=False, |
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222 parentfiledata=(mode, size, (42, 0, False)), |
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223 ) |
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224 else: |
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225 return cls( |
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226 wc_tracked=True, |
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227 p1_tracked=True, |
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228 parentfiledata=(mode, size, (mtime, 0, False)), |
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229 ) |
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230 else: |
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231 raise RuntimeError(b'unknown state: %s' % state) |
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232 |
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233 def set_possibly_dirty(self): |
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234 """Mark a file as "possibly dirty" |
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235 |
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236 This means the next status call will have to actually check its content |
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237 to make sure it is correct. |
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238 """ |
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239 self._mtime_s = None |
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240 self._mtime_ns = None |
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241 |
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242 def set_clean(self, mode, size, mtime): |
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243 """mark a file as "clean" cancelling potential "possibly dirty call" |
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244 |
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245 Note: this function is a descendant of `dirstate.normal` and is |
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246 currently expected to be call on "normal" entry only. There are not |
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247 reason for this to not change in the future as long as the ccode is |
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248 updated to preserve the proper state of the non-normal files. |
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249 """ |
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250 self._wc_tracked = True |
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251 self._p1_tracked = True |
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252 self._mode = mode |
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253 self._size = size |
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254 self._mtime_s, self._mtime_ns, self._mtime_second_ambiguous = mtime |
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255 |
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256 def set_tracked(self): |
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257 """mark a file as tracked in the working copy |
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258 |
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259 This will ultimately be called by command like `hg add`. |
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260 """ |
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261 self._wc_tracked = True |
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262 # `set_tracked` is replacing various `normallookup` call. So we mark |
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263 # the files as needing lookup |
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264 # |
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265 # Consider dropping this in the future in favor of something less broad. |
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266 self._mtime_s = None |
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267 self._mtime_ns = None |
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268 |
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269 def set_untracked(self): |
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270 """mark a file as untracked in the working copy |
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271 |
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272 This will ultimately be called by command like `hg remove`. |
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273 """ |
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274 self._wc_tracked = False |
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275 self._mode = None |
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276 self._size = None |
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277 self._mtime_s = None |
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278 self._mtime_ns = None |
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279 |
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280 def drop_merge_data(self): |
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281 """remove all "merge-only" from a DirstateItem |
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282 |
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283 This is to be call by the dirstatemap code when the second parent is dropped |
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284 """ |
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285 if self._p2_info: |
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286 self._p2_info = False |
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287 self._mode = None |
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288 self._size = None |
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289 self._mtime_s = None |
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290 self._mtime_ns = None |
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291 |
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292 @property |
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293 def mode(self): |
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294 return self._v1_mode() |
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295 |
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296 @property |
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297 def size(self): |
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298 return self._v1_size() |
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299 |
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300 @property |
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301 def mtime(self): |
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302 return self._v1_mtime() |
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303 |
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304 def mtime_likely_equal_to(self, other_mtime): |
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305 self_sec = self._mtime_s |
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306 if self_sec is None: |
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307 return False |
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308 self_ns = self._mtime_ns |
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309 other_sec, other_ns, second_ambiguous = other_mtime |
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310 if self_sec != other_sec: |
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311 # seconds are different theses mtime are definitly not equal |
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312 return False |
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313 elif other_ns == 0 or self_ns == 0: |
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314 # at least one side as no nano-seconds information |
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315 |
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316 if self._mtime_second_ambiguous: |
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317 # We cannot trust the mtime in this case |
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318 return False |
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319 else: |
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320 # the "seconds" value was reliable on its own. We are good to go. |
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321 return True |
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322 else: |
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323 # We have nano second information, let us use them ! |
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324 return self_ns == other_ns |
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325 |
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326 @property |
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327 def state(self): |
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328 """ |
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329 States are: |
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330 n normal |
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331 m needs merging |
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332 r marked for removal |
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333 a marked for addition |
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334 |
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335 XXX This "state" is a bit obscure and mostly a direct expression of the |
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336 dirstatev1 format. It would make sense to ultimately deprecate it in |
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337 favor of the more "semantic" attributes. |
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338 """ |
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339 if not self.any_tracked: |
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340 return b'?' |
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341 return self._v1_state() |
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342 |
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343 @property |
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344 def has_fallback_exec(self): |
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345 """True if "fallback" information are available for the "exec" bit |
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346 |
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347 Fallback information can be stored in the dirstate to keep track of |
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348 filesystem attribute tracked by Mercurial when the underlying file |
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349 system or operating system does not support that property, (e.g. |
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350 Windows). |
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351 |
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352 Not all version of the dirstate on-disk storage support preserving this |
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353 information. |
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354 """ |
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355 return self._fallback_exec is not None |
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356 |
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357 @property |
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358 def fallback_exec(self): |
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359 """ "fallback" information for the executable bit |
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360 |
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361 True if the file should be considered executable when we cannot get |
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362 this information from the files system. False if it should be |
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363 considered non-executable. |
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364 |
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365 See has_fallback_exec for details.""" |
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366 return self._fallback_exec |
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367 |
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368 @fallback_exec.setter |
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369 def set_fallback_exec(self, value): |
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370 """control "fallback" executable bit |
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371 |
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372 Set to: |
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373 - True if the file should be considered executable, |
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374 - False if the file should be considered non-executable, |
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375 - None if we do not have valid fallback data. |
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376 |
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377 See has_fallback_exec for details.""" |
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378 if value is None: |
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379 self._fallback_exec = None |
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380 else: |
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381 self._fallback_exec = bool(value) |
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382 |
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383 @property |
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384 def has_fallback_symlink(self): |
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385 """True if "fallback" information are available for symlink status |
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386 |
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387 Fallback information can be stored in the dirstate to keep track of |
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388 filesystem attribute tracked by Mercurial when the underlying file |
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389 system or operating system does not support that property, (e.g. |
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390 Windows). |
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391 |
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392 Not all version of the dirstate on-disk storage support preserving this |
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393 information.""" |
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394 return self._fallback_symlink is not None |
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395 |
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396 @property |
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397 def fallback_symlink(self): |
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398 """ "fallback" information for symlink status |
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399 |
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400 True if the file should be considered executable when we cannot get |
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401 this information from the files system. False if it should be |
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402 considered non-executable. |
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403 |
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404 See has_fallback_exec for details.""" |
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405 return self._fallback_symlink |
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406 |
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407 @fallback_symlink.setter |
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408 def set_fallback_symlink(self, value): |
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409 """control "fallback" symlink status |
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410 |
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411 Set to: |
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412 - True if the file should be considered a symlink, |
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413 - False if the file should be considered not a symlink, |
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414 - None if we do not have valid fallback data. |
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415 |
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|
416 See has_fallback_symlink for details.""" |
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417 if value is None: |
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418 self._fallback_symlink = None |
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419 else: |
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420 self._fallback_symlink = bool(value) |
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421 |
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|
422 @property |
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423 def tracked(self): |
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|
424 """True is the file is tracked in the working copy""" |
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|
425 return self._wc_tracked |
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426 |
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diff
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|
427 @property |
48087
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diff
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|
428 def any_tracked(self): |
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|
429 """True is the file is tracked anywhere (wc or parents)""" |
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430 return self._wc_tracked or self._p1_tracked or self._p2_info |
48087
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431 |
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|
432 @property |
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47517
diff
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|
433 def added(self): |
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diff
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|
434 """True if the file has been added""" |
48138
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diff
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|
435 return self._wc_tracked and not (self._p1_tracked or self._p2_info) |
47526
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diff
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|
436 |
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diff
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|
437 @property |
48086
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diff
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|
438 def maybe_clean(self): |
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diff
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|
439 """True if the file has a chance to be in the "clean" state""" |
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diff
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|
440 if not self._wc_tracked: |
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|
441 return False |
48138
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diff
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|
442 elif not self._p1_tracked: |
48086
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|
443 return False |
48138
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|
444 elif self._p2_info: |
48086
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|
445 return False |
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|
446 return True |
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|
447 |
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diff
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|
448 @property |
48143
21542d4cb568
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48142
diff
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|
449 def p1_tracked(self): |
21542d4cb568
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48142
diff
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|
450 """True if the file is tracked in the first parent manifest""" |
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48142
diff
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|
451 return self._p1_tracked |
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48142
diff
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|
452 |
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48142
diff
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|
453 @property |
48142
fb3b41d583c2
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48138
diff
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|
454 def p2_info(self): |
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48138
diff
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|
455 """True if the file needed to merge or apply any input from p2 |
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diff
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|
456 |
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48138
diff
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|
457 See the class documentation for details. |
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48138
diff
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|
458 """ |
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48138
diff
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|
459 return self._wc_tracked and self._p2_info |
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48138
diff
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|
460 |
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48138
diff
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|
461 @property |
47515
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47514
diff
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|
462 def removed(self): |
c94d3ff46fd5
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47514
diff
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|
463 """True if the file has been removed""" |
48138
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48113
diff
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|
464 return not self._wc_tracked and (self._p1_tracked or self._p2_info) |
47515
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47514
diff
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|
465 |
48222
7e78c72ee3ea
dirstate-v2: Initial Python serializer
Raphaël Gomès <rgomes@octobus.net>
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48221
diff
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|
466 def v2_data(self): |
7e78c72ee3ea
dirstate-v2: Initial Python serializer
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48221
diff
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|
467 """Returns (flags, mode, size, mtime) for v2 serialization""" |
7e78c72ee3ea
dirstate-v2: Initial Python serializer
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48221
diff
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|
468 flags = 0 |
7e78c72ee3ea
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48221
diff
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|
469 if self._wc_tracked: |
7e78c72ee3ea
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48221
diff
changeset
|
470 flags |= DIRSTATE_V2_WDIR_TRACKED |
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dirstate-v2: Initial Python serializer
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48221
diff
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|
471 if self._p1_tracked: |
7e78c72ee3ea
dirstate-v2: Initial Python serializer
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48221
diff
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|
472 flags |= DIRSTATE_V2_P1_TRACKED |
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dirstate-v2: Initial Python serializer
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48221
diff
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|
473 if self._p2_info: |
7e78c72ee3ea
dirstate-v2: Initial Python serializer
Raphaël Gomès <rgomes@octobus.net>
parents:
48221
diff
changeset
|
474 flags |= DIRSTATE_V2_P2_INFO |
48229
db5897321351
dirstate-v2: Use attributes as intended instead of properties in v2_data()
Simon Sapin <simon.sapin@octobus.net>
parents:
48222
diff
changeset
|
475 if self._mode is not None and self._size is not None: |
48222
7e78c72ee3ea
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Raphaël Gomès <rgomes@octobus.net>
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48221
diff
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|
476 flags |= DIRSTATE_V2_HAS_MODE_AND_SIZE |
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dirstate-v2: Initial Python serializer
Raphaël Gomès <rgomes@octobus.net>
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48221
diff
changeset
|
477 if self.mode & stat.S_IXUSR: |
7e78c72ee3ea
dirstate-v2: Initial Python serializer
Raphaël Gomès <rgomes@octobus.net>
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48221
diff
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|
478 flags |= DIRSTATE_V2_MODE_EXEC_PERM |
7e78c72ee3ea
dirstate-v2: Initial Python serializer
Raphaël Gomès <rgomes@octobus.net>
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48221
diff
changeset
|
479 if stat.S_ISLNK(self.mode): |
7e78c72ee3ea
dirstate-v2: Initial Python serializer
Raphaël Gomès <rgomes@octobus.net>
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48221
diff
changeset
|
480 flags |= DIRSTATE_V2_MODE_IS_SYMLINK |
48260
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dirstate: store mtimes with nanosecond precision in memory
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48254
diff
changeset
|
481 if self._mtime_s is not None: |
48264
bb240915f69f
dirstate-v2: adjust the meaning of directory flags
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48262
diff
changeset
|
482 flags |= DIRSTATE_V2_HAS_MTIME |
48401
995aaacb12d7
dirstate-item: make sure we set the mtime-second-ambiguous on v2 write
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48400
diff
changeset
|
483 if self._mtime_second_ambiguous: |
995aaacb12d7
dirstate-item: make sure we set the mtime-second-ambiguous on v2 write
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parents:
48400
diff
changeset
|
484 flags |= DIRSTATE_V2_MTIME_SECOND_AMBIGUOUS |
48254
b874e8d81a98
dirstate-v2: preserve the fallback values on disk
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48253
diff
changeset
|
485 |
b874e8d81a98
dirstate-v2: preserve the fallback values on disk
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48253
diff
changeset
|
486 if self._fallback_exec is not None: |
b874e8d81a98
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diff
changeset
|
487 flags |= DIRSTATE_V2_HAS_FALLBACK_EXEC |
b874e8d81a98
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diff
changeset
|
488 if self._fallback_exec: |
b874e8d81a98
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diff
changeset
|
489 flags |= DIRSTATE_V2_FALLBACK_EXEC |
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dirstate-v2: preserve the fallback values on disk
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diff
changeset
|
490 |
b874e8d81a98
dirstate-v2: preserve the fallback values on disk
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48253
diff
changeset
|
491 if self._fallback_symlink is not None: |
b874e8d81a98
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diff
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|
492 flags |= DIRSTATE_V2_HAS_FALLBACK_SYMLINK |
b874e8d81a98
dirstate-v2: preserve the fallback values on disk
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diff
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|
493 if self._fallback_symlink: |
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diff
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|
494 flags |= DIRSTATE_V2_FALLBACK_SYMLINK |
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dirstate-v2: preserve the fallback values on disk
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diff
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|
495 |
48251
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dirstate-v2: adds two flag to track the presence of some unrecorded files
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48250
diff
changeset
|
496 # Note: we do not need to do anything regarding |
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dirstate-v2: adds two flag to track the presence of some unrecorded files
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|
497 # DIRSTATE_V2_ALL_UNKNOWN_RECORDED and DIRSTATE_V2_ALL_IGNORED_RECORDED |
dfc5a505ddc5
dirstate-v2: adds two flag to track the presence of some unrecorded files
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48250
diff
changeset
|
498 # since we never set _DIRSTATE_V2_HAS_DIRCTORY_MTIME |
48260
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dirstate: store mtimes with nanosecond precision in memory
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parents:
48254
diff
changeset
|
499 return (flags, self._size or 0, self._mtime_s or 0, self._mtime_ns or 0) |
48222
7e78c72ee3ea
dirstate-v2: Initial Python serializer
Raphaël Gomès <rgomes@octobus.net>
parents:
48221
diff
changeset
|
500 |
49044
be9bf75a837c
dirstate: remove v1_* methods from Python/C/Rust shared API
Raphaël Gomès <rgomes@octobus.net>
parents:
48946
diff
changeset
|
501 def _v1_state(self): |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
502 """return a "state" suitable for v1 serialization""" |
48138
38488d488ec1
dirstate-item: change the internal storage and constructor value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48113
diff
changeset
|
503 if not self.any_tracked: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
504 # the object has no state to record, this is -currently- |
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
505 # unsupported |
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
506 raise RuntimeError('untracked item') |
47936
0d185f73c619
dirstate-item: implement v1_state with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47935
diff
changeset
|
507 elif self.removed: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
508 return b'r' |
48152
8f88307f8e07
dirstate-item: replace another usage of `merged`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48150
diff
changeset
|
509 elif self._p1_tracked and self._p2_info: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
510 return b'm' |
47936
0d185f73c619
dirstate-item: implement v1_state with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47935
diff
changeset
|
511 elif self.added: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
512 return b'a' |
47936
0d185f73c619
dirstate-item: implement v1_state with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47935
diff
changeset
|
513 else: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
514 return b'n' |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
515 |
49044
be9bf75a837c
dirstate: remove v1_* methods from Python/C/Rust shared API
Raphaël Gomès <rgomes@octobus.net>
parents:
48946
diff
changeset
|
516 def _v1_mode(self): |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
517 """return a "mode" suitable for v1 serialization""" |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
518 return self._mode if self._mode is not None else 0 |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
519 |
49044
be9bf75a837c
dirstate: remove v1_* methods from Python/C/Rust shared API
Raphaël Gomès <rgomes@octobus.net>
parents:
48946
diff
changeset
|
520 def _v1_size(self): |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
521 """return a "size" suitable for v1 serialization""" |
48111
d73b42f905f8
dirstate-item: use `any_tracked` more
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48110
diff
changeset
|
522 if not self.any_tracked: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
523 # the object has no state to record, this is -currently- |
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
524 # unsupported |
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
525 raise RuntimeError('untracked item') |
48138
38488d488ec1
dirstate-item: change the internal storage and constructor value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48113
diff
changeset
|
526 elif self.removed and self._p1_tracked and self._p2_info: |
47937
dbf2d03850a2
dirstate-item: implement `v1_size` with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47936
diff
changeset
|
527 return NONNORMAL |
48149
6ac2b417d5d7
dirstate-item: directly use `p2_info` in `v1_size`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48143
diff
changeset
|
528 elif self._p2_info: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
529 return FROM_P2 |
47937
dbf2d03850a2
dirstate-item: implement `v1_size` with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47936
diff
changeset
|
530 elif self.removed: |
dbf2d03850a2
dirstate-item: implement `v1_size` with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47936
diff
changeset
|
531 return 0 |
dbf2d03850a2
dirstate-item: implement `v1_size` with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47936
diff
changeset
|
532 elif self.added: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
533 return NONNORMAL |
48138
38488d488ec1
dirstate-item: change the internal storage and constructor value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48113
diff
changeset
|
534 elif self._size is None: |
38488d488ec1
dirstate-item: change the internal storage and constructor value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48113
diff
changeset
|
535 return NONNORMAL |
47937
dbf2d03850a2
dirstate-item: implement `v1_size` with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47936
diff
changeset
|
536 else: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
537 return self._size |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
538 |
49044
be9bf75a837c
dirstate: remove v1_* methods from Python/C/Rust shared API
Raphaël Gomès <rgomes@octobus.net>
parents:
48946
diff
changeset
|
539 def _v1_mtime(self): |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
540 """return a "mtime" suitable for v1 serialization""" |
48111
d73b42f905f8
dirstate-item: use `any_tracked` more
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48110
diff
changeset
|
541 if not self.any_tracked: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
542 # the object has no state to record, this is -currently- |
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
543 # unsupported |
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
544 raise RuntimeError('untracked item') |
47938
508394e38580
dirstate-item: implement `v1_mtime` with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47937
diff
changeset
|
545 elif self.removed: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
546 return 0 |
48260
269ff8978086
dirstate: store mtimes with nanosecond precision in memory
Simon Sapin <simon.sapin@octobus.net>
parents:
48254
diff
changeset
|
547 elif self._mtime_s is None: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
548 return AMBIGUOUS_TIME |
48138
38488d488ec1
dirstate-item: change the internal storage and constructor value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48113
diff
changeset
|
549 elif self._p2_info: |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
550 return AMBIGUOUS_TIME |
48138
38488d488ec1
dirstate-item: change the internal storage and constructor value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48113
diff
changeset
|
551 elif not self._p1_tracked: |
47938
508394e38580
dirstate-item: implement `v1_mtime` with higher level block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47937
diff
changeset
|
552 return AMBIGUOUS_TIME |
48400
0b3f3a3ca50a
dirstate-item: ignore mtime to write v1 when `mtime-second-ambiguous` is set
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48399
diff
changeset
|
553 elif self._mtime_second_ambiguous: |
0b3f3a3ca50a
dirstate-item: ignore mtime to write v1 when `mtime-second-ambiguous` is set
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48399
diff
changeset
|
554 return AMBIGUOUS_TIME |
47927
b81f52ca8075
dirstate-item: keep the full information in memory (for pure form)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47926
diff
changeset
|
555 else: |
48260
269ff8978086
dirstate: store mtimes with nanosecond precision in memory
Simon Sapin <simon.sapin@octobus.net>
parents:
48254
diff
changeset
|
556 return self._mtime_s |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
557 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
39217
diff
changeset
|
558 |
29133
255274719dc1
pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents:
28861
diff
changeset
|
559 def gettype(q): |
255274719dc1
pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents:
28861
diff
changeset
|
560 return int(q & 0xFFFF) |
7945
94d7e14cfa42
pure/parsers: fix circular imports, import mercurial modules properly
Matt Mackall <mpm@selenic.com>
parents:
7873
diff
changeset
|
561 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
39217
diff
changeset
|
562 |
48946
642e31cb55f0
py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48913
diff
changeset
|
563 class BaseIndexObject: |
47268
9d1a8829f959
revlog: signal which revlog index are compatible with Rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47267
diff
changeset
|
564 # Can I be passed to an algorithme implemented in Rust ? |
9d1a8829f959
revlog: signal which revlog index are compatible with Rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47267
diff
changeset
|
565 rust_ext_compat = 0 |
46635
e83327af26f1
pure-parsers: document index class constants
Raphaël Gomès <rgomes@octobus.net>
parents:
46407
diff
changeset
|
566 # Format of an index entry according to Python's `struct` language |
46860
1dc86c2a43ce
revlog: directly use the Struct object for related operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46858
diff
changeset
|
567 index_format = revlog_constants.INDEX_ENTRY_V1 |
46635
e83327af26f1
pure-parsers: document index class constants
Raphaël Gomès <rgomes@octobus.net>
parents:
46407
diff
changeset
|
568 # Size of a C unsigned long long int, platform independent |
e83327af26f1
pure-parsers: document index class constants
Raphaël Gomès <rgomes@octobus.net>
parents:
46407
diff
changeset
|
569 big_int_size = struct.calcsize(b'>Q') |
e83327af26f1
pure-parsers: document index class constants
Raphaël Gomès <rgomes@octobus.net>
parents:
46407
diff
changeset
|
570 # Size of a C long int, platform independent |
e83327af26f1
pure-parsers: document index class constants
Raphaël Gomès <rgomes@octobus.net>
parents:
46407
diff
changeset
|
571 int_size = struct.calcsize(b'>i') |
e83327af26f1
pure-parsers: document index class constants
Raphaël Gomès <rgomes@octobus.net>
parents:
46407
diff
changeset
|
572 # An empty index entry, used as a default value to be overridden, or nullrev |
47249
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
573 null_item = ( |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
574 0, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
575 0, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
576 0, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
577 -1, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
578 -1, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
579 -1, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
580 -1, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
581 sha1nodeconstants.nullid, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
582 0, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
583 0, |
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
584 revlog_constants.COMP_MODE_INLINE, |
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
|
585 revlog_constants.COMP_MODE_INLINE, |
48499
52034c42c09d
rank: add a "rank" value to the revlog-entry tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48497
diff
changeset
|
586 revlog_constants.RANK_UNKNOWN, |
47249
130c9f7ed914
revlog: add a "data compression mode" entry in the index tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47244
diff
changeset
|
587 ) |
46407
095fa99ae5f5
revlog: prepare pure parser for being overloaded
Raphaël Gomès <rgomes@octobus.net>
parents:
45942
diff
changeset
|
588 |
46974
3c9208702db3
revlog: replace revlog._io.size with a new revlog.index.entry_size
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46860
diff
changeset
|
589 @util.propertycache |
3c9208702db3
revlog: replace revlog._io.size with a new revlog.index.entry_size
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46860
diff
changeset
|
590 def entry_size(self): |
3c9208702db3
revlog: replace revlog._io.size with a new revlog.index.entry_size
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46860
diff
changeset
|
591 return self.index_format.size |
3c9208702db3
revlog: replace revlog._io.size with a new revlog.index.entry_size
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46860
diff
changeset
|
592 |
43525
845e5b313783
revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43106
diff
changeset
|
593 @util.propertycache |
43574
02802fa87b74
revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43554
diff
changeset
|
594 def _nodemap(self): |
47012
d55b71393907
node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents:
46974
diff
changeset
|
595 nodemap = nodemaputil.NodeMap({sha1nodeconstants.nullid: nullrev}) |
43525
845e5b313783
revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43106
diff
changeset
|
596 for r in range(0, len(self)): |
845e5b313783
revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43106
diff
changeset
|
597 n = self[r][7] |
845e5b313783
revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43106
diff
changeset
|
598 nodemap[n] = r |
845e5b313783
revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43106
diff
changeset
|
599 return nodemap |
845e5b313783
revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43106
diff
changeset
|
600 |
43534
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43533
diff
changeset
|
601 def has_node(self, node): |
0c659fc20207
index: add a `has_node` method (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43533
diff
changeset
|
602 """return True if the node exist in the index""" |
43574
02802fa87b74
revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43554
diff
changeset
|
603 return node in self._nodemap |
43534
0c659fc20207
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diff
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|
604 |
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605 def rev(self, node): |
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606 """return a revision for a node |
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607 |
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|
608 If the node is unknown, raise a RevlogError""" |
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609 return self._nodemap[node] |
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610 |
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diff
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|
611 def get_rev(self, node): |
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612 """return a revision for a node |
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613 |
b56de57c45ce
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diff
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|
614 If the node is unknown, return None""" |
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615 return self._nodemap.get(node) |
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616 |
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617 def _stripnodes(self, start): |
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618 if '_nodemap' in vars(self): |
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619 for r in range(start, len(self)): |
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620 n = self[r][7] |
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diff
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|
621 del self._nodemap[n] |
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diff
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|
622 |
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|
623 def clearcaches(self): |
43574
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624 self.__dict__.pop('_nodemap', None) |
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|
625 |
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626 def __len__(self): |
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627 return self._lgt + len(self._extra) |
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628 |
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index: replace insert(-1, e) method by append(e) method
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parents:
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629 def append(self, tup): |
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630 if '_nodemap' in vars(self): |
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631 self._nodemap[tup[7]] = len(self) |
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632 data = self._pack_entry(len(self), tup) |
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633 self._extra.append(data) |
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Matt Mackall <mpm@selenic.com>
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634 |
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635 def _pack_entry(self, rev, entry): |
47143
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636 assert entry[8] == 0 |
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637 assert entry[9] == 0 |
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638 return self.index_format.pack(*entry[:8]) |
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diff
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|
639 |
39217
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640 def _check_index(self, i): |
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641 if not isinstance(i, int): |
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parents:
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|
642 raise TypeError(b"expecting int indexes") |
39216
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index: don't include nullid in boundary check in pure code
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
643 if i < 0 or i >= len(self): |
48496
30741bbea550
revlog: add some information about the revision we cannot find
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parents:
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diff
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644 raise IndexError(i) |
7945
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645 |
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646 def __getitem__(self, i): |
39047
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Augie Fackler <augie@google.com>
parents:
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|
647 if i == -1: |
46407
095fa99ae5f5
revlog: prepare pure parser for being overloaded
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
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|
648 return self.null_item |
39217
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649 self._check_index(i) |
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650 if i >= self._lgt: |
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651 data = self._extra[i - self._lgt] |
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652 else: |
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653 index = self._calculate_index(i) |
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654 data = self._data[index : index + self.entry_size] |
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655 r = self._unpack_entry(i, data) |
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|
656 if self._lgt and i == 0: |
47394
ac60a1366a49
revlog: move `offset_type` to `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
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diff
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|
657 offset = revlogutils.offset_type(0, gettype(r[0])) |
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658 r = (offset,) + r[1:] |
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659 return r |
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660 |
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661 def _unpack_entry(self, rev, data): |
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662 r = self.index_format.unpack(data) |
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diff
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663 r = r + ( |
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664 0, |
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parents:
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665 0, |
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|
666 revlog_constants.COMP_MODE_INLINE, |
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parents:
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diff
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|
667 revlog_constants.COMP_MODE_INLINE, |
48499
52034c42c09d
rank: add a "rank" value to the revlog-entry tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48497
diff
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|
668 revlog_constants.RANK_UNKNOWN, |
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|
669 ) |
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670 return r |
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|
671 |
47037
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672 def pack_header(self, header): |
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673 """pack header information as binary""" |
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diff
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|
674 v_fmt = revlog_constants.INDEX_HEADER |
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675 return v_fmt.pack(header) |
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|
676 |
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|
677 def entry_binary(self, rev): |
47034
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|
678 """return the raw binary string representing a revision""" |
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diff
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|
679 entry = self[rev] |
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680 p = revlog_constants.INDEX_ENTRY_V1.pack(*entry[:8]) |
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681 if rev == 0: |
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682 p = p[revlog_constants.INDEX_HEADER.size :] |
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683 return p |
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|
684 |
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685 |
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686 class IndexObject(BaseIndexObject): |
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687 def __init__(self, data): |
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688 assert len(data) % self.entry_size == 0, ( |
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689 len(data), |
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690 self.entry_size, |
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691 len(data) % self.entry_size, |
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692 ) |
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693 self._data = data |
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694 self._lgt = len(data) // self.entry_size |
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695 self._extra = [] |
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696 |
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697 def _calculate_index(self, i): |
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698 return i * self.entry_size |
13253 | 699 |
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700 def __delitem__(self, i): |
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Alex Gaynor <agaynor@mozilla.com>
parents:
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701 if not isinstance(i, slice) or not i.stop == -1 or i.step is not None: |
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702 raise ValueError(b"deleting slices only supports a:-1 with step 1") |
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703 i = i.start |
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704 self._check_index(i) |
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705 self._stripnodes(i) |
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706 if i < self._lgt: |
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707 self._data = self._data[: i * self.entry_size] |
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708 self._lgt = i |
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709 self._extra = [] |
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710 else: |
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711 self._extra = self._extra[: i - self._lgt] |
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712 |
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713 |
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714 class PersistentNodeMapIndexObject(IndexObject): |
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715 """a Debug oriented class to test persistent nodemap |
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716 |
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717 We need a simple python object to test API and higher level behavior. See |
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718 the Rust implementation for more serious usage. This should be used only |
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719 through the dedicated `devel.persistent-nodemap` config. |
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720 """ |
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721 |
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722 def nodemap_data_all(self): |
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723 """Return bytes containing a full serialization of a nodemap |
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724 |
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725 The nodemap should be valid for the full set of revisions in the |
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726 index.""" |
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727 return nodemaputil.persistent_data(self) |
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728 |
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729 def nodemap_data_incremental(self): |
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730 """Return bytes containing a incremental update to persistent nodemap |
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731 |
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732 This containst the data for an append-only update of the data provided |
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733 in the last call to `update_nodemap_data`. |
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734 """ |
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735 if self._nm_root is None: |
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736 return None |
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737 docket = self._nm_docket |
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738 changed, data = nodemaputil.update_persistent_data( |
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739 self, self._nm_root, self._nm_max_idx, self._nm_docket.tip_rev |
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740 ) |
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741 |
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742 self._nm_root = self._nm_max_idx = self._nm_docket = None |
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743 return docket, changed, data |
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744 |
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745 def update_nodemap_data(self, docket, nm_data): |
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746 """provide full block of persisted binary data for a nodemap |
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747 |
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748 The data are expected to come from disk. See `nodemap_data_all` for a |
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749 produceur of such data.""" |
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750 if nm_data is not None: |
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751 self._nm_root, self._nm_max_idx = nodemaputil.parse_data(nm_data) |
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752 if self._nm_root: |
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753 self._nm_docket = docket |
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754 else: |
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755 self._nm_root = self._nm_max_idx = self._nm_docket = None |
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756 |
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757 |
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758 class InlinedIndexObject(BaseIndexObject): |
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759 def __init__(self, data, inline=0): |
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760 self._data = data |
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761 self._lgt = self._inline_scan(None) |
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762 self._inline_scan(self._lgt) |
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763 self._extra = [] |
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764 |
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765 def _inline_scan(self, lgt): |
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766 off = 0 |
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767 if lgt is not None: |
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768 self._offsets = [0] * lgt |
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769 count = 0 |
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770 while off <= len(self._data) - self.entry_size: |
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771 start = off + self.big_int_size |
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772 (s,) = struct.unpack( |
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773 b'>i', |
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774 self._data[start : start + self.int_size], |
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775 ) |
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776 if lgt is not None: |
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777 self._offsets[count] = off |
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778 count += 1 |
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779 off += self.entry_size + s |
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780 if off != len(self._data): |
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781 raise ValueError(b"corrupted data") |
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782 return count |
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|
783 |
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|
784 def __delitem__(self, i): |
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785 if not isinstance(i, slice) or not i.stop == -1 or i.step is not None: |
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786 raise ValueError(b"deleting slices only supports a:-1 with step 1") |
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787 i = i.start |
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788 self._check_index(i) |
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789 self._stripnodes(i) |
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790 if i < self._lgt: |
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791 self._offsets = self._offsets[:i] |
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792 self._lgt = i |
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793 self._extra = [] |
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794 else: |
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|
795 self._extra = self._extra[: i - self._lgt] |
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796 |
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797 def _calculate_index(self, i): |
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798 return self._offsets[i] |
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799 |
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|
800 |
48769
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diff
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|
801 def parse_index2(data, inline, format=revlog_constants.REVLOGV1): |
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802 if format == revlog_constants.CHANGELOGV2: |
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803 return parse_index_cl_v2(data) |
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804 if not inline: |
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805 if format == revlog_constants.REVLOGV2: |
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|
806 cls = IndexObject2 |
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|
807 else: |
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|
808 cls = IndexObject |
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|
809 return cls(data), None |
47262
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|
810 cls = InlinedIndexObject |
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811 return cls(data, inline), (0, data) |
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812 |
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diff
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|
813 |
47270
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|
814 def parse_index_cl_v2(data): |
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|
815 return IndexChangelogV2(data), None |
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|
816 |
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|
817 |
47262
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|
818 class IndexObject2(IndexObject): |
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diff
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|
819 index_format = revlog_constants.INDEX_ENTRY_V2 |
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|
820 |
47078
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sidedata: enable sidedata computers to optionally rewrite flags
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|
821 def replace_sidedata_info( |
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822 self, |
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|
823 rev, |
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|
824 sidedata_offset, |
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825 sidedata_length, |
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|
826 offset_flags, |
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|
827 compression_mode, |
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828 ): |
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|
829 """ |
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|
830 Replace an existing index entry's sidedata offset and length with new |
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|
831 ones. |
502e795b55ac
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|
832 This cannot be used outside of the context of sidedata rewriting, |
47243
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|
833 inside the transaction that creates the revision `rev`. |
46717
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|
834 """ |
47243
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|
835 if rev < 0: |
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|
836 raise KeyError |
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|
837 self._check_index(rev) |
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|
838 if rev < self._lgt: |
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|
839 msg = b"cannot rewrite entries outside of this transaction" |
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|
840 raise KeyError(msg) |
47244
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841 else: |
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842 entry = list(self[rev]) |
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843 entry[0] = offset_flags |
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844 entry[8] = sidedata_offset |
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|
845 entry[9] = sidedata_length |
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846 entry[11] = compression_mode |
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847 entry = tuple(entry) |
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848 new = self._pack_entry(rev, entry) |
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|
849 self._extra[rev - self._lgt] = new |
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|
850 |
47267
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851 def _unpack_entry(self, rev, data): |
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852 data = self.index_format.unpack(data) |
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853 entry = data[:10] |
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854 data_comp = data[10] & 3 |
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|
855 sidedata_comp = (data[10] & (3 << 2)) >> 2 |
48499
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|
856 return entry + (data_comp, sidedata_comp, revlog_constants.RANK_UNKNOWN) |
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857 |
47267
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858 def _pack_entry(self, rev, entry): |
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859 data = entry[:10] |
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860 data_comp = entry[10] & 3 |
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861 sidedata_comp = (entry[11] & 3) << 2 |
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862 data += (data_comp | sidedata_comp,) |
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|
863 |
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864 return self.index_format.pack(*data) |
47143
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revlog: always "append" full size tuple
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|
865 |
47037
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866 def entry_binary(self, rev): |
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867 """return the raw binary string representing a revision""" |
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868 entry = self[rev] |
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869 return self._pack_entry(rev, entry) |
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|
870 |
47235
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revlogv2: store version information in the docket only
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diff
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|
871 def pack_header(self, header): |
6b1eae313b2f
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872 """pack header information as binary""" |
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873 msg = 'version header should go in the docket, not the index: %d' |
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|
874 msg %= header |
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diff
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|
875 raise error.ProgrammingError(msg) |
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|
876 |
46704
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|
877 |
47270
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|
878 class IndexChangelogV2(IndexObject2): |
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879 index_format = revlog_constants.INDEX_ENTRY_CL_V2 |
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880 |
48500
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|
881 null_item = ( |
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882 IndexObject2.null_item[: revlog_constants.ENTRY_RANK] |
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|
883 + (0,) # rank of null is 0 |
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|
884 + IndexObject2.null_item[revlog_constants.ENTRY_RANK :] |
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|
885 ) |
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|
886 |
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887 def _unpack_entry(self, rev, data, r=True): |
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|
888 items = self.index_format.unpack(data) |
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889 return ( |
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|
890 items[revlog_constants.INDEX_ENTRY_V2_IDX_OFFSET], |
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|
891 items[revlog_constants.INDEX_ENTRY_V2_IDX_COMPRESSED_LENGTH], |
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892 items[revlog_constants.INDEX_ENTRY_V2_IDX_UNCOMPRESSED_LENGTH], |
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|
893 rev, |
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|
894 rev, |
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|
895 items[revlog_constants.INDEX_ENTRY_V2_IDX_PARENT_1], |
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|
896 items[revlog_constants.INDEX_ENTRY_V2_IDX_PARENT_2], |
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|
897 items[revlog_constants.INDEX_ENTRY_V2_IDX_NODEID], |
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|
898 items[revlog_constants.INDEX_ENTRY_V2_IDX_SIDEDATA_OFFSET], |
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|
899 items[ |
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|
900 revlog_constants.INDEX_ENTRY_V2_IDX_SIDEDATA_COMPRESSED_LENGTH |
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|
901 ], |
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|
902 items[revlog_constants.INDEX_ENTRY_V2_IDX_COMPRESSION_MODE] & 3, |
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|
903 (items[revlog_constants.INDEX_ENTRY_V2_IDX_COMPRESSION_MODE] >> 2) |
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|
904 & 3, |
48500
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|
905 items[revlog_constants.INDEX_ENTRY_V2_IDX_RANK], |
48497
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|
906 ) |
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|
907 |
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|
908 def _pack_entry(self, rev, entry): |
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|
909 |
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|
910 base = entry[revlog_constants.ENTRY_DELTA_BASE] |
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911 link_rev = entry[revlog_constants.ENTRY_LINK_REV] |
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|
912 assert base == rev, (base, rev) |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
diff
changeset
|
913 assert link_rev == rev, (link_rev, rev) |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
diff
changeset
|
914 data = ( |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
diff
changeset
|
915 entry[revlog_constants.ENTRY_DATA_OFFSET], |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
diff
changeset
|
916 entry[revlog_constants.ENTRY_DATA_COMPRESSED_LENGTH], |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
diff
changeset
|
917 entry[revlog_constants.ENTRY_DATA_UNCOMPRESSED_LENGTH], |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
diff
changeset
|
918 entry[revlog_constants.ENTRY_PARENT_1], |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
diff
changeset
|
919 entry[revlog_constants.ENTRY_PARENT_2], |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
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|
920 entry[revlog_constants.ENTRY_NODE_ID], |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
diff
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|
921 entry[revlog_constants.ENTRY_SIDEDATA_OFFSET], |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
diff
changeset
|
922 entry[revlog_constants.ENTRY_SIDEDATA_COMPRESSED_LENGTH], |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
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changeset
|
923 entry[revlog_constants.ENTRY_DATA_COMPRESSION_MODE] & 3 |
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
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changeset
|
924 | (entry[revlog_constants.ENTRY_SIDEDATA_COMPRESSION_MODE] & 3) |
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changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
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|
925 << 2, |
48500
c5d6c874766a
rank: actually persist revision's rank in changelog-v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48499
diff
changeset
|
926 entry[revlog_constants.ENTRY_RANK], |
48497
2c6084f67a86
changelog-v2: use helper constant in the code to pack/unpack entries
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48496
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|
927 ) |
47270
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
928 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
|
929 |
25ce16bf724b
changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47268
diff
changeset
|
930 |
44313
6f9e8e142cea
nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
44034
diff
changeset
|
931 def parse_index_devel_nodemap(data, inline): |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45936
diff
changeset
|
932 """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
|
933 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
|
934 |
6f9e8e142cea
nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
44034
diff
changeset
|
935 |
7700
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
936 def parse_dirstate(dmap, copymap, st): |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
39217
diff
changeset
|
937 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
|
938 # 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
|
939 format = b">cllll" |
7945
94d7e14cfa42
pure/parsers: fix circular imports, import mercurial modules properly
Matt Mackall <mpm@selenic.com>
parents:
7873
diff
changeset
|
940 e_size = struct.calcsize(format) |
7700
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
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|
941 pos1 = 40 |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
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|
942 l = len(st) |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
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|
943 |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
944 # the inner loop |
f410c552fa15
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Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
945 while pos1 < l: |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
946 pos2 = pos1 + e_size |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
947 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
|
948 pos1 = pos2 + e[4] |
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
949 f = st[pos2:pos1] |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
950 if b'\0' in f: |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
951 f, c = f.split(b'\0') |
7700
f410c552fa15
pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff
changeset
|
952 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
|
953 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
|
954 return parents |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
955 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
39217
diff
changeset
|
956 |
48392
434de12918fd
dirstate: remove need_delay logic
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48378
diff
changeset
|
957 def pack_dirstate(dmap, copymap, pl): |
28861
86db5cb55d46
pycompat: switch to util.stringio for py3 compat
timeless <timeless@mozdev.org>
parents:
27339
diff
changeset
|
958 cs = stringio() |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
959 write = cs.write |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
960 write(b"".join(pl)) |
48913
f254fc73d956
global: bulk replace simple pycompat.iteritems(x) with x.items()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
961 for f, e in dmap.items(): |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
962 if f in copymap: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
963 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
|
964 e = _pack( |
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
965 b">cllll", |
49044
be9bf75a837c
dirstate: remove v1_* methods from Python/C/Rust shared API
Raphaël Gomès <rgomes@octobus.net>
parents:
48946
diff
changeset
|
966 e._v1_state(), |
be9bf75a837c
dirstate: remove v1_* methods from Python/C/Rust shared API
Raphaël Gomès <rgomes@octobus.net>
parents:
48946
diff
changeset
|
967 e._v1_mode(), |
be9bf75a837c
dirstate: remove v1_* methods from Python/C/Rust shared API
Raphaël Gomès <rgomes@octobus.net>
parents:
48946
diff
changeset
|
968 e._v1_size(), |
be9bf75a837c
dirstate: remove v1_* methods from Python/C/Rust shared API
Raphaël Gomès <rgomes@octobus.net>
parents:
48946
diff
changeset
|
969 e._v1_mtime(), |
47509
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
970 len(f), |
80dc1d452993
dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47508
diff
changeset
|
971 ) |
18567
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
972 write(e) |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
973 write(f) |
194e63c1ccb9
dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents:
17425
diff
changeset
|
974 return cs.getvalue() |