Mercurial > hg
annotate mercurial/manifest.py @ 39241:aad4b46e89bb
manifest: remove addgroup() from manifestlog and imanifestlog
addgroup() is part of the storage interface for manifests.
Unfortunately, we don't yet have a formal storage interface
for manifests. (One will be established in subsequent commits.)
One thing is for sure, addgroup() doesn't belong on imanifestlog -
at least not unless we extend that interface to encompass storage.
For now, let's access addgroup() on the _revlog attribute, just like
we do for tree manifests. Even though this violates visibility,
it is consistent.
Differential Revision: https://phab.mercurial-scm.org/D4274
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Fri, 10 Aug 2018 14:20:47 -0700 |
parents | 43387fd2aa1f |
children | 1347bcf52d51 |
rev | line source |
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1089 | 1 # manifest.py - manifest revision class for mercurial |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import heapq |
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11 import itertools |
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12 import struct |
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13 import weakref |
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14 |
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15 from .i18n import _ |
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16 from .node import ( |
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17 bin, |
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18 hex, |
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19 ) |
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20 from . import ( |
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21 error, |
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22 mdiff, |
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23 policy, |
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24 pycompat, |
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25 repository, |
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26 revlog, |
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27 util, |
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28 ) |
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29 from .utils import ( |
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30 interfaceutil, |
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31 ) |
79 | 32 |
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33 parsers = policy.importmod(r'parsers') |
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34 propertycache = util.propertycache |
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35 |
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36 def _parse(data): |
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37 # This method does a little bit of excessive-looking |
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38 # precondition checking. This is so that the behavior of this |
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39 # class exactly matches its C counterpart to try and help |
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40 # prevent surprise breakage for anyone that develops against |
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41 # the pure version. |
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42 if data and data[-1:] != '\n': |
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43 raise ValueError('Manifest did not end in a newline.') |
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44 prev = None |
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45 for l in data.splitlines(): |
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46 if prev is not None and prev > l: |
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47 raise ValueError('Manifest lines not in sorted order.') |
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48 prev = l |
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49 f, n = l.split('\0') |
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50 if len(n) > 40: |
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51 yield f, bin(n[:40]), n[40:] |
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52 else: |
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53 yield f, bin(n), '' |
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54 |
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55 def _text(it): |
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56 files = [] |
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57 lines = [] |
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58 _hex = revlog.hex |
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59 for f, n, fl in it: |
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60 files.append(f) |
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61 # if this is changed to support newlines in filenames, |
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62 # be sure to check the templates/ dir again (especially *-raw.tmpl) |
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63 lines.append("%s\0%s%s\n" % (f, _hex(n), fl)) |
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64 |
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65 _checkforbidden(files) |
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66 return ''.join(lines) |
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67 |
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68 class lazymanifestiter(object): |
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69 def __init__(self, lm): |
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70 self.pos = 0 |
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71 self.lm = lm |
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72 |
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73 def __iter__(self): |
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74 return self |
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75 |
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76 def next(self): |
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77 try: |
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78 data, pos = self.lm._get(self.pos) |
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79 except IndexError: |
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80 raise StopIteration |
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81 if pos == -1: |
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82 self.pos += 1 |
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83 return data[0] |
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84 self.pos += 1 |
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85 zeropos = data.find('\x00', pos) |
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86 return data[pos:zeropos] |
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87 |
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88 __next__ = next |
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89 |
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90 class lazymanifestiterentries(object): |
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91 def __init__(self, lm): |
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92 self.lm = lm |
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93 self.pos = 0 |
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94 |
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95 def __iter__(self): |
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96 return self |
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97 |
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98 def next(self): |
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99 try: |
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100 data, pos = self.lm._get(self.pos) |
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101 except IndexError: |
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102 raise StopIteration |
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103 if pos == -1: |
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104 self.pos += 1 |
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105 return data |
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106 zeropos = data.find('\x00', pos) |
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107 hashval = unhexlify(data, self.lm.extrainfo[self.pos], |
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108 zeropos + 1, 40) |
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109 flags = self.lm._getflags(data, self.pos, zeropos) |
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110 self.pos += 1 |
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111 return (data[pos:zeropos], hashval, flags) |
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112 |
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113 __next__ = next |
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114 |
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115 def unhexlify(data, extra, pos, length): |
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116 s = bin(data[pos:pos + length]) |
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117 if extra: |
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118 s += chr(extra & 0xff) |
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119 return s |
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120 |
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121 def _cmp(a, b): |
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122 return (a > b) - (a < b) |
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123 |
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124 class _lazymanifest(object): |
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125 def __init__(self, data, positions=None, extrainfo=None, extradata=None): |
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126 if positions is None: |
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127 self.positions = self.findlines(data) |
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128 self.extrainfo = [0] * len(self.positions) |
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129 self.data = data |
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130 self.extradata = [] |
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131 else: |
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132 self.positions = positions[:] |
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133 self.extrainfo = extrainfo[:] |
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134 self.extradata = extradata[:] |
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135 self.data = data |
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136 |
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137 def findlines(self, data): |
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138 if not data: |
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139 return [] |
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140 pos = data.find("\n") |
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141 if pos == -1 or data[-1:] != '\n': |
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142 raise ValueError("Manifest did not end in a newline.") |
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143 positions = [0] |
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144 prev = data[:data.find('\x00')] |
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145 while pos < len(data) - 1 and pos != -1: |
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146 positions.append(pos + 1) |
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147 nexts = data[pos + 1:data.find('\x00', pos + 1)] |
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148 if nexts < prev: |
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149 raise ValueError("Manifest lines not in sorted order.") |
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150 prev = nexts |
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151 pos = data.find("\n", pos + 1) |
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152 return positions |
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153 |
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154 def _get(self, index): |
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155 # get the position encoded in pos: |
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156 # positive number is an index in 'data' |
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157 # negative number is in extrapieces |
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158 pos = self.positions[index] |
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159 if pos >= 0: |
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160 return self.data, pos |
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161 return self.extradata[-pos - 1], -1 |
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162 |
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163 def _getkey(self, pos): |
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164 if pos >= 0: |
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165 return self.data[pos:self.data.find('\x00', pos + 1)] |
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166 return self.extradata[-pos - 1][0] |
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167 |
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168 def bsearch(self, key): |
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169 first = 0 |
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170 last = len(self.positions) - 1 |
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171 |
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172 while first <= last: |
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173 midpoint = (first + last)//2 |
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174 nextpos = self.positions[midpoint] |
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175 candidate = self._getkey(nextpos) |
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176 r = _cmp(key, candidate) |
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177 if r == 0: |
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178 return midpoint |
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179 else: |
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180 if r < 0: |
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181 last = midpoint - 1 |
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182 else: |
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183 first = midpoint + 1 |
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184 return -1 |
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185 |
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186 def bsearch2(self, key): |
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187 # same as the above, but will always return the position |
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188 # done for performance reasons |
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189 first = 0 |
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190 last = len(self.positions) - 1 |
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191 |
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192 while first <= last: |
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193 midpoint = (first + last)//2 |
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194 nextpos = self.positions[midpoint] |
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195 candidate = self._getkey(nextpos) |
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196 r = _cmp(key, candidate) |
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197 if r == 0: |
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198 return (midpoint, True) |
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199 else: |
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200 if r < 0: |
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201 last = midpoint - 1 |
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202 else: |
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203 first = midpoint + 1 |
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204 return (first, False) |
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205 |
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206 def __contains__(self, key): |
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207 return self.bsearch(key) != -1 |
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208 |
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209 def _getflags(self, data, needle, pos): |
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210 start = pos + 41 |
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211 end = data.find("\n", start) |
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212 if end == -1: |
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213 end = len(data) - 1 |
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214 if start == end: |
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215 return '' |
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216 return self.data[start:end] |
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217 |
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218 def __getitem__(self, key): |
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219 if not isinstance(key, bytes): |
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220 raise TypeError("getitem: manifest keys must be a bytes.") |
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221 needle = self.bsearch(key) |
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222 if needle == -1: |
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223 raise KeyError |
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224 data, pos = self._get(needle) |
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225 if pos == -1: |
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226 return (data[1], data[2]) |
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227 zeropos = data.find('\x00', pos) |
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228 assert 0 <= needle <= len(self.positions) |
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229 assert len(self.extrainfo) == len(self.positions) |
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230 hashval = unhexlify(data, self.extrainfo[needle], zeropos + 1, 40) |
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231 flags = self._getflags(data, needle, zeropos) |
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232 return (hashval, flags) |
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233 |
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234 def __delitem__(self, key): |
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235 needle, found = self.bsearch2(key) |
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236 if not found: |
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237 raise KeyError |
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238 cur = self.positions[needle] |
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239 self.positions = self.positions[:needle] + self.positions[needle + 1:] |
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240 self.extrainfo = self.extrainfo[:needle] + self.extrainfo[needle + 1:] |
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241 if cur >= 0: |
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242 self.data = self.data[:cur] + '\x00' + self.data[cur + 1:] |
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243 |
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244 def __setitem__(self, key, value): |
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245 if not isinstance(key, bytes): |
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246 raise TypeError("setitem: manifest keys must be a byte string.") |
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247 if not isinstance(value, tuple) or len(value) != 2: |
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248 raise TypeError("Manifest values must be a tuple of (node, flags).") |
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249 hashval = value[0] |
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250 if not isinstance(hashval, bytes) or not 20 <= len(hashval) <= 22: |
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251 raise TypeError("node must be a 20-byte byte string") |
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252 flags = value[1] |
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253 if len(hashval) == 22: |
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254 hashval = hashval[:-1] |
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255 if not isinstance(flags, bytes) or len(flags) > 1: |
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256 raise TypeError("flags must a 0 or 1 byte string, got %r", flags) |
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257 needle, found = self.bsearch2(key) |
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258 if found: |
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259 # put the item |
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260 pos = self.positions[needle] |
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261 if pos < 0: |
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262 self.extradata[-pos - 1] = (key, hashval, value[1]) |
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263 else: |
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264 # just don't bother |
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265 self.extradata.append((key, hashval, value[1])) |
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266 self.positions[needle] = -len(self.extradata) |
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267 else: |
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268 # not found, put it in with extra positions |
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269 self.extradata.append((key, hashval, value[1])) |
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270 self.positions = (self.positions[:needle] + [-len(self.extradata)] |
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271 + self.positions[needle:]) |
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272 self.extrainfo = (self.extrainfo[:needle] + [0] + |
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273 self.extrainfo[needle:]) |
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274 |
2831 | 275 def copy(self): |
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276 # XXX call _compact like in C? |
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277 return _lazymanifest(self.data, self.positions, self.extrainfo, |
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278 self.extradata) |
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279 |
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280 def _compact(self): |
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281 # hopefully not called TOO often |
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282 if len(self.extradata) == 0: |
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283 return |
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284 l = [] |
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285 last_cut = 0 |
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286 i = 0 |
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287 offset = 0 |
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288 self.extrainfo = [0] * len(self.positions) |
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289 while i < len(self.positions): |
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290 if self.positions[i] >= 0: |
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291 cur = self.positions[i] |
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292 last_cut = cur |
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293 while True: |
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294 self.positions[i] = offset |
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295 i += 1 |
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296 if i == len(self.positions) or self.positions[i] < 0: |
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297 break |
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298 offset += self.positions[i] - cur |
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299 cur = self.positions[i] |
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300 end_cut = self.data.find('\n', cur) |
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301 if end_cut != -1: |
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302 end_cut += 1 |
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303 offset += end_cut - cur |
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304 l.append(self.data[last_cut:end_cut]) |
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305 else: |
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306 while i < len(self.positions) and self.positions[i] < 0: |
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307 cur = self.positions[i] |
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308 t = self.extradata[-cur - 1] |
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309 l.append(self._pack(t)) |
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310 self.positions[i] = offset |
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311 if len(t[1]) > 20: |
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312 self.extrainfo[i] = ord(t[1][21]) |
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313 offset += len(l[-1]) |
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314 i += 1 |
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315 self.data = ''.join(l) |
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316 self.extradata = [] |
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317 |
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318 def _pack(self, d): |
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319 return d[0] + '\x00' + hex(d[1][:20]) + d[2] + '\n' |
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320 |
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321 def text(self): |
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322 self._compact() |
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323 return self.data |
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324 |
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325 def diff(self, m2, clean=False): |
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326 '''Finds changes between the current manifest and m2.''' |
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327 # XXX think whether efficiency matters here |
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328 diff = {} |
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329 |
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330 for fn, e1, flags in self.iterentries(): |
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331 if fn not in m2: |
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332 diff[fn] = (e1, flags), (None, '') |
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333 else: |
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334 e2 = m2[fn] |
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335 if (e1, flags) != e2: |
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336 diff[fn] = (e1, flags), e2 |
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337 elif clean: |
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338 diff[fn] = None |
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339 |
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340 for fn, e2, flags in m2.iterentries(): |
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341 if fn not in self: |
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342 diff[fn] = (None, ''), (e2, flags) |
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343 |
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344 return diff |
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345 |
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346 def iterentries(self): |
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347 return lazymanifestiterentries(self) |
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348 |
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349 def iterkeys(self): |
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350 return lazymanifestiter(self) |
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351 |
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352 def __iter__(self): |
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353 return lazymanifestiter(self) |
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354 |
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355 def __len__(self): |
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356 return len(self.positions) |
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357 |
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358 def filtercopy(self, filterfn): |
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359 # XXX should be optimized |
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360 c = _lazymanifest('') |
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361 for f, n, fl in self.iterentries(): |
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362 if filterfn(f): |
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363 c[f] = n, fl |
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364 return c |
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365 |
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366 try: |
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367 _lazymanifest = parsers.lazymanifest |
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368 except AttributeError: |
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369 pass |
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370 |
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371 @interfaceutil.implementer(repository.imanifestdict) |
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372 class manifestdict(object): |
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373 def __init__(self, data=''): |
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374 self._lm = _lazymanifest(data) |
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375 |
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376 def __getitem__(self, key): |
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377 return self._lm[key][0] |
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378 |
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379 def find(self, key): |
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380 return self._lm[key] |
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381 |
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382 def __len__(self): |
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383 return len(self._lm) |
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384 |
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385 def __nonzero__(self): |
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386 # nonzero is covered by the __len__ function, but implementing it here |
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387 # makes it easier for extensions to override. |
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388 return len(self._lm) != 0 |
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389 |
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390 __bool__ = __nonzero__ |
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391 |
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392 def __setitem__(self, key, node): |
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393 self._lm[key] = node, self.flags(key, '') |
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394 |
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395 def __contains__(self, key): |
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396 if key is None: |
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397 return False |
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398 return key in self._lm |
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399 |
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400 def __delitem__(self, key): |
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401 del self._lm[key] |
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402 |
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403 def __iter__(self): |
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404 return self._lm.__iter__() |
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405 |
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406 def iterkeys(self): |
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407 return self._lm.iterkeys() |
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408 |
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409 def keys(self): |
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410 return list(self.iterkeys()) |
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411 |
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412 def filesnotin(self, m2, match=None): |
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413 '''Set of files in this manifest that are not in the other''' |
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414 if match: |
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415 m1 = self.matches(match) |
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416 m2 = m2.matches(match) |
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417 return m1.filesnotin(m2) |
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418 diff = self.diff(m2) |
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419 files = set(filepath |
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420 for filepath, hashflags in diff.iteritems() |
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421 if hashflags[1][0] is None) |
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422 return files |
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423 |
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424 @propertycache |
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425 def _dirs(self): |
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426 return util.dirs(self) |
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427 |
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428 def dirs(self): |
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429 return self._dirs |
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430 |
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431 def hasdir(self, dir): |
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432 return dir in self._dirs |
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433 |
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434 def _filesfastpath(self, match): |
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435 '''Checks whether we can correctly and quickly iterate over matcher |
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436 files instead of over manifest files.''' |
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|
437 files = match.files() |
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manifestdict: extract condition for _intersectfiles() and use for walk()
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438 return (len(files) < 100 and (match.isexact() or |
25276
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diff
changeset
|
439 (match.prefix() and all(fn in self for fn in files)))) |
24685
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changeset
|
440 |
24646
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manifest: move changectx.walk() to manifests
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diff
changeset
|
441 def walk(self, match): |
5693c834bcb4
manifest: move changectx.walk() to manifests
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changeset
|
442 '''Generates matching file names. |
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diff
changeset
|
443 |
5693c834bcb4
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diff
changeset
|
444 Equivalent to manifest.matches(match).iterkeys(), but without creating |
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changeset
|
445 an entirely new manifest. |
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|
446 |
5693c834bcb4
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parents:
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changeset
|
447 It also reports nonexistent files by marking them bad with match.bad(). |
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|
448 ''' |
24683
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manifest.walk: special-case match.always() for speed
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449 if match.always(): |
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|
450 for f in iter(self): |
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451 yield f |
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|
452 return |
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|
453 |
24646
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|
454 fset = set(match.files()) |
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diff
changeset
|
455 |
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changeset
|
456 # avoid the entire walk if we're only looking for specific files |
24685
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|
457 if self._filesfastpath(match): |
24667
19c5b0913960
manifest.walk: join nested if-conditions
Martin von Zweigbergk <martinvonz@google.com>
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|
458 for fn in sorted(fset): |
19c5b0913960
manifest.walk: join nested if-conditions
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|
459 yield fn |
24682
aef3d1469773
manifest.walk: use return instead of StopIteration in generator
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changeset
|
460 return |
24646
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changeset
|
461 |
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changeset
|
462 for fn in self: |
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|
463 if fn in fset: |
5693c834bcb4
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|
464 # specified pattern is the exact name |
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|
465 fset.remove(fn) |
5693c834bcb4
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|
466 if match(fn): |
5693c834bcb4
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changeset
|
467 yield fn |
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parents:
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changeset
|
468 |
5693c834bcb4
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parents:
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diff
changeset
|
469 # for dirstate.walk, files=['.'] means "walk the whole tree". |
5693c834bcb4
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|
470 # follow that here, too |
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|
471 fset.discard('.') |
5693c834bcb4
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changeset
|
472 |
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|
473 for fn in sorted(fset): |
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|
474 if not self.hasdir(fn): |
5693c834bcb4
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|
475 match.bad(fn, None) |
5693c834bcb4
manifest: move changectx.walk() to manifests
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diff
changeset
|
476 |
23305
0cc283f44655
manifest: add matches() method
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|
477 def matches(self, match): |
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changeset
|
478 '''generate a new manifest filtered by the match argument''' |
0cc283f44655
manifest: add matches() method
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|
479 if match.always(): |
0cc283f44655
manifest: add matches() method
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|
480 return self.copy() |
0cc283f44655
manifest: add matches() method
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changeset
|
481 |
24685
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diff
changeset
|
482 if self._filesfastpath(match): |
24666
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manifestdict: inline _intersectfiles()
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|
483 m = manifestdict() |
3092885b5b32
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|
484 lm = self._lm |
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manifestdict: inline _intersectfiles()
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|
485 for fn in match.files(): |
3092885b5b32
manifestdict: inline _intersectfiles()
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changeset
|
486 if fn in lm: |
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|
487 m._lm[fn] = lm[fn] |
3092885b5b32
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|
488 return m |
23305
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changeset
|
489 |
24700
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24685
diff
changeset
|
490 m = manifestdict() |
24664
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
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changeset
|
491 m._lm = self._lm.filtercopy(match) |
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
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diff
changeset
|
492 return m |
23305
0cc283f44655
manifest: add matches() method
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parents:
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diff
changeset
|
493 |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
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31153
diff
changeset
|
494 def diff(self, m2, match=None, clean=False): |
23756
829f640b5540
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parents:
23602
diff
changeset
|
495 '''Finds changes between the current manifest and m2. |
829f640b5540
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diff
changeset
|
496 |
829f640b5540
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parents:
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diff
changeset
|
497 Args: |
829f640b5540
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changeset
|
498 m2: the manifest to which this manifest should be compared. |
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23602
diff
changeset
|
499 clean: if true, include files unchanged between these manifests |
829f640b5540
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diff
changeset
|
500 with a None value in the returned dictionary. |
829f640b5540
manifest: add optional recording of clean entries to diff
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parents:
23602
diff
changeset
|
501 |
829f640b5540
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parents:
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diff
changeset
|
502 The result is returned as a dict with filename as key and |
829f640b5540
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Augie Fackler <augie@google.com>
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diff
changeset
|
503 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
829f640b5540
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23602
diff
changeset
|
504 nodeid in the current/other manifest and fl1/fl2 is the flag |
829f640b5540
manifest: add optional recording of clean entries to diff
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parents:
23602
diff
changeset
|
505 in the current/other manifest. Where the file does not exist, |
829f640b5540
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parents:
23602
diff
changeset
|
506 the nodeid will be None and the flags will be the empty |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
507 string. |
829f640b5540
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parents:
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diff
changeset
|
508 ''' |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
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parents:
31153
diff
changeset
|
509 if match: |
959ebff3505a
manifest: add match argument to diff and filesnotin
Durham Goode <durham@fb.com>
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31153
diff
changeset
|
510 m1 = self.matches(match) |
959ebff3505a
manifest: add match argument to diff and filesnotin
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diff
changeset
|
511 m2 = m2.matches(match) |
959ebff3505a
manifest: add match argument to diff and filesnotin
Durham Goode <durham@fb.com>
parents:
31153
diff
changeset
|
512 return m1.diff(m2, clean=clean) |
24225
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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parents:
24224
diff
changeset
|
513 return self._lm.diff(m2._lm, clean) |
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Augie Fackler <augie@google.com>
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24224
diff
changeset
|
514 |
3e5c4af69808
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parents:
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diff
changeset
|
515 def setflag(self, key, flag): |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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diff
changeset
|
516 self._lm[key] = self[key], flag |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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parents:
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diff
changeset
|
517 |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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parents:
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diff
changeset
|
518 def get(self, key, default=None): |
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parents:
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diff
changeset
|
519 try: |
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24224
diff
changeset
|
520 return self._lm[key][0] |
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manifest: split manifestdict into high-level and low-level logic
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diff
changeset
|
521 except KeyError: |
3e5c4af69808
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changeset
|
522 return default |
22965
b697fa74b475
manifest: for diff(), only iterate over files, not flags
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diff
changeset
|
523 |
24225
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diff
changeset
|
524 def flags(self, key, default=''): |
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24224
diff
changeset
|
525 try: |
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diff
changeset
|
526 return self._lm[key][1] |
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Augie Fackler <augie@google.com>
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diff
changeset
|
527 except KeyError: |
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Augie Fackler <augie@google.com>
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diff
changeset
|
528 return default |
22965
b697fa74b475
manifest: for diff(), only iterate over files, not flags
Martin von Zweigbergk <martinvonz@gmail.com>
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diff
changeset
|
529 |
24225
3e5c4af69808
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diff
changeset
|
530 def copy(self): |
24700
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manifestdict: drop empty-string argument when creating empty manifest
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24685
diff
changeset
|
531 c = manifestdict() |
24225
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Augie Fackler <augie@google.com>
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changeset
|
532 c._lm = self._lm.copy() |
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changeset
|
533 return c |
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diff
changeset
|
534 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
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diff
changeset
|
535 def items(self): |
24298
49cd847fd69a
lazymanifest: make __iter__ generate filenames, not 3-tuples
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parents:
24297
diff
changeset
|
536 return (x[:2] for x in self._lm.iterentries()) |
2831 | 537 |
38657
28c9d67d88ab
manifest: just duplicate the definition of items as iteritems
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38556
diff
changeset
|
538 def iteritems(self): |
28c9d67d88ab
manifest: just duplicate the definition of items as iteritems
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38556
diff
changeset
|
539 return (x[:2] for x in self._lm.iterentries()) |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
540 |
28203
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
541 def iterentries(self): |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
542 return self._lm.iterentries() |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
543 |
36373
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
544 def text(self): |
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
545 # most likely uses native version |
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
546 return self._lm.text() |
22408
dc97e04c12ad
manifest: move checkforbidden to module-level
Augie Fackler <raf@durin42.com>
parents:
21879
diff
changeset
|
547 |
22931
48c0b101a9de
manifest: add fastdelta method to manifestdict
Augie Fackler <raf@durin42.com>
parents:
22930
diff
changeset
|
548 def fastdelta(self, base, changes): |
31787
6bfea18df609
manifest: update comment to be about bytearray
Martin von Zweigbergk <martinvonz@google.com>
parents:
31650
diff
changeset
|
549 """Given a base manifest text as a bytearray and a list of changes |
22931
48c0b101a9de
manifest: add fastdelta method to manifestdict
Augie Fackler <raf@durin42.com>
parents:
22930
diff
changeset
|
550 relative to that text, compute a delta that can be used by revlog. |
48c0b101a9de
manifest: add fastdelta method to manifestdict
Augie Fackler <raf@durin42.com>
parents:
22930
diff
changeset
|
551 """ |
48c0b101a9de
manifest: add fastdelta method to manifestdict
Augie Fackler <raf@durin42.com>
parents:
22930
diff
changeset
|
552 delta = [] |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
553 dstart = None |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
554 dend = None |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
555 dline = [""] |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
556 start = 0 |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
557 # zero copy representation of base as a buffer |
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558 addbuf = util.buffer(base) |
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559 |
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560 changes = list(changes) |
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561 if len(changes) < 1000: |
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562 # start with a readonly loop that finds the offset of |
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563 # each line and creates the deltas |
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564 for f, todelete in changes: |
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565 # bs will either be the index of the item or the insert point |
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566 start, end = _msearch(addbuf, f, start) |
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567 if not todelete: |
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568 h, fl = self._lm[f] |
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569 l = "%s\0%s%s\n" % (f, revlog.hex(h), fl) |
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570 else: |
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571 if start == end: |
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572 # item we want to delete was not found, error out |
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573 raise AssertionError( |
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574 _("failed to remove %s from manifest") % f) |
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575 l = "" |
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576 if dstart is not None and dstart <= start and dend >= start: |
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577 if dend < end: |
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578 dend = end |
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579 if l: |
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580 dline.append(l) |
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581 else: |
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582 if dstart is not None: |
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583 delta.append([dstart, dend, "".join(dline)]) |
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584 dstart = start |
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585 dend = end |
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586 dline = [l] |
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587 |
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588 if dstart is not None: |
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589 delta.append([dstart, dend, "".join(dline)]) |
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590 # apply the delta to the base, and get a delta for addrevision |
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591 deltatext, arraytext = _addlistdelta(base, delta) |
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592 else: |
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593 # For large changes, it's much cheaper to just build the text and |
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594 # diff it. |
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595 arraytext = bytearray(self.text()) |
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596 deltatext = mdiff.textdiff( |
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597 util.buffer(base), util.buffer(arraytext)) |
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598 |
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599 return arraytext, deltatext |
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600 |
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601 def _msearch(m, s, lo=0, hi=None): |
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602 '''return a tuple (start, end) that says where to find s within m. |
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603 |
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604 If the string is found m[start:end] are the line containing |
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605 that string. If start == end the string was not found and |
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606 they indicate the proper sorted insertion point. |
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607 |
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608 m should be a buffer, a memoryview or a byte string. |
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609 s is a byte string''' |
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610 def advance(i, c): |
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611 while i < lenm and m[i:i + 1] != c: |
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612 i += 1 |
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613 return i |
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614 if not s: |
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615 return (lo, lo) |
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616 lenm = len(m) |
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617 if not hi: |
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618 hi = lenm |
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619 while lo < hi: |
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620 mid = (lo + hi) // 2 |
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621 start = mid |
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622 while start > 0 and m[start - 1:start] != '\n': |
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623 start -= 1 |
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624 end = advance(start, '\0') |
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625 if bytes(m[start:end]) < s: |
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626 # we know that after the null there are 40 bytes of sha1 |
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627 # this translates to the bisect lo = mid + 1 |
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628 lo = advance(end + 40, '\n') + 1 |
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629 else: |
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630 # this translates to the bisect hi = mid |
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631 hi = start |
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632 end = advance(lo, '\0') |
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633 found = m[lo:end] |
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634 if s == found: |
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635 # we know that after the null there are 40 bytes of sha1 |
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636 end = advance(end + 40, '\n') |
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637 return (lo, end + 1) |
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638 else: |
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639 return (lo, lo) |
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640 |
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641 def _checkforbidden(l): |
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642 """Check filenames for illegal characters.""" |
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643 for f in l: |
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644 if '\n' in f or '\r' in f: |
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645 raise error.RevlogError( |
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646 _("'\\n' and '\\r' disallowed in filenames: %r") |
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647 % pycompat.bytestr(f)) |
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648 |
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649 |
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650 # apply the changes collected during the bisect loop to our addlist |
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651 # return a delta suitable for addrevision |
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652 def _addlistdelta(addlist, x): |
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653 # for large addlist arrays, building a new array is cheaper |
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654 # than repeatedly modifying the existing one |
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655 currentposition = 0 |
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656 newaddlist = bytearray() |
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657 |
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658 for start, end, content in x: |
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659 newaddlist += addlist[currentposition:start] |
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660 if content: |
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661 newaddlist += bytearray(content) |
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662 |
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663 currentposition = end |
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664 |
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665 newaddlist += addlist[currentposition:] |
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666 |
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667 deltatext = "".join(struct.pack(">lll", start, end, len(content)) |
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668 + content for start, end, content in x) |
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669 return deltatext, newaddlist |
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670 |
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671 def _splittopdir(f): |
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672 if '/' in f: |
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673 dir, subpath = f.split('/', 1) |
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674 return dir + '/', subpath |
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675 else: |
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676 return '', f |
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677 |
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678 _noop = lambda s: None |
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679 |
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680 class treemanifest(object): |
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681 def __init__(self, dir='', text=''): |
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682 self._dir = dir |
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683 self._node = revlog.nullid |
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684 self._loadfunc = _noop |
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685 self._copyfunc = _noop |
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686 self._dirty = False |
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687 self._dirs = {} |
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688 # Using _lazymanifest here is a little slower than plain old dicts |
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689 self._files = {} |
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690 self._flags = {} |
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691 if text: |
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692 def readsubtree(subdir, subm): |
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693 raise AssertionError('treemanifest constructor only accepts ' |
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694 'flat manifests') |
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695 self.parse(text, readsubtree) |
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696 self._dirty = True # Mark flat manifest dirty after parsing |
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697 |
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698 def _subpath(self, path): |
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699 return self._dir + path |
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700 |
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701 def __len__(self): |
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702 self._load() |
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703 size = len(self._files) |
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704 for m in self._dirs.values(): |
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705 size += m.__len__() |
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706 return size |
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|
707 |
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|
708 def __nonzero__(self): |
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709 # Faster than "__len() != 0" since it avoids loading sub-manifests |
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|
710 return not self._isempty() |
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|
711 |
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|
712 __bool__ = __nonzero__ |
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|
713 |
24551
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Drew Gottlieb <drgott@google.com>
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|
714 def _isempty(self): |
25222
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|
715 self._load() # for consistency; already loaded by all callers |
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Drew Gottlieb <drgott@google.com>
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|
716 return (not self._files and (not self._dirs or |
25151
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cleanup: use __builtins__.all instead of util.all
Augie Fackler <augie@google.com>
parents:
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diff
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|
717 all(m._isempty() for m in self._dirs.values()))) |
24551
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Drew Gottlieb <drgott@google.com>
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diff
changeset
|
718 |
26400
6f9d9e2a661f
manifest: add id(self) to treemanifest __repr__
Augie Fackler <augie@google.com>
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26199
diff
changeset
|
719 def __repr__(self): |
6f9d9e2a661f
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Augie Fackler <augie@google.com>
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|
720 return ('<treemanifest dir=%s, node=%s, loaded=%s, dirty=%s at 0x%x>' % |
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|
721 (self._dir, revlog.hex(self._node), |
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changeset
|
722 bool(self._loadfunc is _noop), |
26400
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manifest: add id(self) to treemanifest __repr__
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|
723 self._dirty, id(self))) |
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|
724 |
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|
725 def dir(self): |
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|
726 '''The directory that this tree manifest represents, including a |
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changeset
|
727 trailing '/'. Empty string for the repo root directory.''' |
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|
728 return self._dir |
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changeset
|
729 |
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changeset
|
730 def node(self): |
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|
731 '''This node of this instance. nullid for unsaved instances. Should |
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changeset
|
732 be updated when the instance is read or written from a revlog. |
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diff
changeset
|
733 ''' |
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changeset
|
734 assert not self._dirty |
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|
735 return self._node |
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|
736 |
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changeset
|
737 def setnode(self, node): |
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changeset
|
738 self._node = node |
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|
739 self._dirty = False |
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changeset
|
740 |
28206
8ab91d9290ce
treemanifest: implement iterentries()
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28203
diff
changeset
|
741 def iterentries(self): |
8ab91d9290ce
treemanifest: implement iterentries()
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diff
changeset
|
742 self._load() |
32536
aa333c1982ab
manifest: use itertools.chain() instead of + for Python 3 compat
Augie Fackler <raf@durin42.com>
parents:
32535
diff
changeset
|
743 for p, n in sorted(itertools.chain(self._dirs.items(), |
aa333c1982ab
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Augie Fackler <raf@durin42.com>
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diff
changeset
|
744 self._files.items())): |
28206
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diff
changeset
|
745 if p in self._files: |
8ab91d9290ce
treemanifest: implement iterentries()
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diff
changeset
|
746 yield self._subpath(p), n, self._flags.get(p, '') |
8ab91d9290ce
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parents:
28203
diff
changeset
|
747 else: |
8ab91d9290ce
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Martin von Zweigbergk <martinvonz@google.com>
parents:
28203
diff
changeset
|
748 for x in n.iterentries(): |
8ab91d9290ce
treemanifest: implement iterentries()
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28203
diff
changeset
|
749 yield x |
8ab91d9290ce
treemanifest: implement iterentries()
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diff
changeset
|
750 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
751 def items(self): |
25222
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changeset
|
752 self._load() |
32536
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Augie Fackler <raf@durin42.com>
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diff
changeset
|
753 for p, n in sorted(itertools.chain(self._dirs.items(), |
aa333c1982ab
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Augie Fackler <raf@durin42.com>
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diff
changeset
|
754 self._files.items())): |
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changeset
|
755 if p in self._files: |
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diff
changeset
|
756 yield self._subpath(p), n |
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changeset
|
757 else: |
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diff
changeset
|
758 for f, sn in n.iteritems(): |
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changeset
|
759 yield f, sn |
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diff
changeset
|
760 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
761 iteritems = items |
b98199a5c3e1
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Augie Fackler <raf@durin42.com>
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diff
changeset
|
762 |
24401
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changeset
|
763 def iterkeys(self): |
25222
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changeset
|
764 self._load() |
32536
aa333c1982ab
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Augie Fackler <raf@durin42.com>
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32535
diff
changeset
|
765 for p in sorted(itertools.chain(self._dirs, self._files)): |
24401
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diff
changeset
|
766 if p in self._files: |
24403
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diff
changeset
|
767 yield self._subpath(p) |
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diff
changeset
|
768 else: |
35586
fbf1a5d680ea
py3: don't use dict.iterkeys()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34345
diff
changeset
|
769 for f in self._dirs[p]: |
24403
0e23faa1511c
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parents:
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diff
changeset
|
770 yield f |
24401
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diff
changeset
|
771 |
e6e023d57e94
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diff
changeset
|
772 def keys(self): |
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changeset
|
773 return list(self.iterkeys()) |
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diff
changeset
|
774 |
e6e023d57e94
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diff
changeset
|
775 def __iter__(self): |
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changeset
|
776 return self.iterkeys() |
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diff
changeset
|
777 |
e6e023d57e94
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diff
changeset
|
778 def __contains__(self, f): |
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diff
changeset
|
779 if f is None: |
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diff
changeset
|
780 return False |
25222
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25221
diff
changeset
|
781 self._load() |
24401
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diff
changeset
|
782 dir, subpath = _splittopdir(f) |
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parents:
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diff
changeset
|
783 if dir: |
e6e023d57e94
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parents:
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diff
changeset
|
784 if dir not in self._dirs: |
e6e023d57e94
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diff
changeset
|
785 return False |
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parents:
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diff
changeset
|
786 return self._dirs[dir].__contains__(subpath) |
e6e023d57e94
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parents:
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diff
changeset
|
787 else: |
e6e023d57e94
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parents:
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diff
changeset
|
788 return f in self._files |
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789 |
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790 def get(self, f, default=None): |
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791 self._load() |
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792 dir, subpath = _splittopdir(f) |
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|
793 if dir: |
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|
794 if dir not in self._dirs: |
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|
795 return default |
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|
796 return self._dirs[dir].get(subpath, default) |
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|
797 else: |
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|
798 return self._files.get(f, default) |
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|
799 |
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|
800 def __getitem__(self, f): |
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801 self._load() |
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802 dir, subpath = _splittopdir(f) |
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|
803 if dir: |
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|
804 return self._dirs[dir].__getitem__(subpath) |
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|
805 else: |
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|
806 return self._files[f] |
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|
807 |
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|
808 def flags(self, f): |
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809 self._load() |
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810 dir, subpath = _splittopdir(f) |
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|
811 if dir: |
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|
812 if dir not in self._dirs: |
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|
813 return '' |
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|
814 return self._dirs[dir].flags(subpath) |
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|
815 else: |
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|
816 if f in self._dirs: |
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|
817 return '' |
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|
818 return self._flags.get(f, '') |
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|
819 |
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|
820 def find(self, f): |
25222
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|
821 self._load() |
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|
822 dir, subpath = _splittopdir(f) |
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|
823 if dir: |
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|
824 return self._dirs[dir].find(subpath) |
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|
825 else: |
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|
826 return self._files[f], self._flags.get(f, '') |
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|
827 |
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|
828 def __delitem__(self, f): |
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|
829 self._load() |
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830 dir, subpath = _splittopdir(f) |
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|
831 if dir: |
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|
832 self._dirs[dir].__delitem__(subpath) |
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changeset
|
833 # If the directory is now empty, remove it |
24551
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treemanifest: add treemanifest._isempty()
Drew Gottlieb <drgott@google.com>
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24550
diff
changeset
|
834 if self._dirs[dir]._isempty(): |
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|
835 del self._dirs[dir] |
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|
836 else: |
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|
837 del self._files[f] |
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|
838 if f in self._flags: |
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|
839 del self._flags[f] |
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|
840 self._dirty = True |
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|
841 |
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|
842 def __setitem__(self, f, n): |
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|
843 assert n is not None |
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|
844 self._load() |
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|
845 dir, subpath = _splittopdir(f) |
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|
846 if dir: |
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changeset
|
847 if dir not in self._dirs: |
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diff
changeset
|
848 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
849 self._dirs[dir].__setitem__(subpath, n) |
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changeset
|
850 else: |
24467
bfb754050ccd
treemanifest: drop 22nd byte for consistency with manifestdict
Martin von Zweigbergk <martinvonz@google.com>
parents:
24448
diff
changeset
|
851 self._files[f] = n[:21] # to match manifestdict's behavior |
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|
852 self._dirty = True |
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|
853 |
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Augie Fackler <augie@google.com>
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diff
changeset
|
854 def _load(self): |
05871262acd5
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changeset
|
855 if self._loadfunc is not _noop: |
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|
856 lf, self._loadfunc = self._loadfunc, _noop |
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|
857 lf(self) |
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|
858 elif self._copyfunc is not _noop: |
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|
859 cf, self._copyfunc = self._copyfunc, _noop |
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|
860 cf(self) |
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|
861 |
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|
862 def setflag(self, f, flags): |
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|
863 """Set the flags (symlink, executable) for path f.""" |
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|
864 self._load() |
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|
865 dir, subpath = _splittopdir(f) |
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|
866 if dir: |
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changeset
|
867 if dir not in self._dirs: |
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|
868 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
869 self._dirs[dir].setflag(subpath, flags) |
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|
870 else: |
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|
871 self._flags[f] = flags |
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|
872 self._dirty = True |
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|
873 |
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|
874 def copy(self): |
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|
875 copy = treemanifest(self._dir) |
25091
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treemanifest: store submanifest revlog per directory
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24956
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changeset
|
876 copy._node = self._node |
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|
877 copy._dirty = self._dirty |
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|
878 if self._copyfunc is _noop: |
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|
879 def _copyfunc(s): |
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|
880 self._load() |
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|
881 for d in self._dirs: |
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|
882 s._dirs[d] = self._dirs[d].copy() |
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883 s._files = dict.copy(self._files) |
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|
884 s._flags = dict.copy(self._flags) |
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|
885 if self._loadfunc is _noop: |
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|
886 _copyfunc(copy) |
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|
887 else: |
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changeset
|
888 copy._copyfunc = _copyfunc |
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|
889 else: |
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changeset
|
890 copy._copyfunc = self._copyfunc |
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|
891 return copy |
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|
892 |
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changeset
|
893 def filesnotin(self, m2, match=None): |
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|
894 '''Set of files in this manifest that are not in the other''' |
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|
895 if match: |
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diff
changeset
|
896 m1 = self.matches(match) |
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diff
changeset
|
897 m2 = m2.matches(match) |
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diff
changeset
|
898 return m1.filesnotin(m2) |
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changeset
|
899 |
24405
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treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
900 files = set() |
cbe9d50d9e65
treemanifest: make filesnotin() faster
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24404
diff
changeset
|
901 def _filesnotin(t1, t2): |
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changeset
|
902 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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|
903 return |
25222
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Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
904 t1._load() |
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
905 t2._load() |
24405
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
906 for d, m1 in t1._dirs.iteritems(): |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
907 if d in t2._dirs: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
908 m2 = t2._dirs[d] |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
909 _filesnotin(m1, m2) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
910 else: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
911 files.update(m1.iterkeys()) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
912 |
36300
413c179cf7d5
manifest: correct the one use of iterkeys() on a dict
Augie Fackler <augie@google.com>
parents:
36174
diff
changeset
|
913 for fn in t1._files: |
24405
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
914 if fn not in t2._files: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
915 files.add(t1._subpath(fn)) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
916 |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
917 _filesnotin(self, m2) |
24401
e6e023d57e94
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diff
changeset
|
918 return files |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
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diff
changeset
|
919 |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
920 @propertycache |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
921 def _alldirs(self): |
24635
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24600
diff
changeset
|
922 return util.dirs(self) |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
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diff
changeset
|
923 |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
924 def dirs(self): |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
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diff
changeset
|
925 return self._alldirs |
e6e023d57e94
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parents:
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diff
changeset
|
926 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
927 def hasdir(self, dir): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
928 self._load() |
24406
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
929 topdir, subdir = _splittopdir(dir) |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
930 if topdir: |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
931 if topdir in self._dirs: |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
932 return self._dirs[topdir].hasdir(subdir) |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
933 return False |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
934 return (dir + '/') in self._dirs |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
935 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
936 def walk(self, match): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
937 '''Generates matching file names. |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
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diff
changeset
|
938 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
939 Equivalent to manifest.matches(match).iterkeys(), but without creating |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
940 an entirely new manifest. |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
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diff
changeset
|
941 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
942 It also reports nonexistent files by marking them bad with match.bad(). |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
943 ''' |
24683
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
944 if match.always(): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
945 for f in iter(self): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
946 yield f |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
947 return |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
948 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
949 fset = set(match.files()) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
950 |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
951 for fn in self._walk(match): |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
952 if fn in fset: |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
953 # specified pattern is the exact name |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
954 fset.remove(fn) |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
955 yield fn |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
956 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
957 # for dirstate.walk, files=['.'] means "walk the whole tree". |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
958 # follow that here, too |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
959 fset.discard('.') |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
960 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
961 for fn in sorted(fset): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
962 if not self.hasdir(fn): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
963 match.bad(fn, None) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
964 |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
965 def _walk(self, match): |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
966 '''Recursively generates matching file names for walk().''' |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
967 if not match.visitdir(self._dir[:-1] or '.'): |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
968 return |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
969 |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
970 # yield this dir's files and walk its submanifests |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
971 self._load() |
36301
5245bac09e6a
manifest: use list(dict) instead of dict.keys() to get a list of keys
Augie Fackler <augie@google.com>
parents:
36300
diff
changeset
|
972 for p in sorted(list(self._dirs) + list(self._files)): |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
973 if p in self._files: |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
974 fullp = self._subpath(p) |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
975 if match(fullp): |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
976 yield fullp |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
977 else: |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
978 for f in self._dirs[p]._walk(match): |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
979 yield f |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
980 |
24401
e6e023d57e94
treemanifest: create treemanifest class
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24396
diff
changeset
|
981 def matches(self, match): |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
982 '''generate a new manifest filtered by the match argument''' |
e6e023d57e94
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24396
diff
changeset
|
983 if match.always(): |
e6e023d57e94
treemanifest: create treemanifest class
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24396
diff
changeset
|
984 return self.copy() |
e6e023d57e94
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24396
diff
changeset
|
985 |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
986 return self._matches(match) |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
987 |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
988 def _matches(self, match): |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
989 '''recursively generate a new manifest filtered by the match argument. |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
990 ''' |
27343
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
991 |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
992 visit = match.visitdir(self._dir[:-1] or '.') |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
993 if visit == 'all': |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
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parents:
27271
diff
changeset
|
994 return self.copy() |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
995 ret = treemanifest(self._dir) |
27343
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
996 if not visit: |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
997 return ret |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
998 |
25222
0de132d5328a
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parents:
25221
diff
changeset
|
999 self._load() |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1000 for fn in self._files: |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1001 fullp = self._subpath(fn) |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1002 if not match(fullp): |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1003 continue |
a2292da6d821
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Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1004 ret._files[fn] = self._files[fn] |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1005 if fn in self._flags: |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1006 ret._flags[fn] = self._flags[fn] |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1007 |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1008 for dir, subm in self._dirs.iteritems(): |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
1009 m = subm._matches(match) |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1010 if not m._isempty(): |
a2292da6d821
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parents:
24551
diff
changeset
|
1011 ret._dirs[dir] = m |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
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24551
diff
changeset
|
1012 |
25220
f0fbd88b21fb
treemanifest: speed up diff by keeping track of dirty nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
25188
diff
changeset
|
1013 if not ret._isempty(): |
f0fbd88b21fb
treemanifest: speed up diff by keeping track of dirty nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
25188
diff
changeset
|
1014 ret._dirty = True |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1015 return ret |
24401
e6e023d57e94
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24396
diff
changeset
|
1016 |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
Durham Goode <durham@fb.com>
parents:
31153
diff
changeset
|
1017 def diff(self, m2, match=None, clean=False): |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
1018 '''Finds changes between the current manifest and m2. |
e6e023d57e94
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24396
diff
changeset
|
1019 |
e6e023d57e94
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parents:
24396
diff
changeset
|
1020 Args: |
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1021 m2: the manifest to which this manifest should be compared. |
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1022 clean: if true, include files unchanged between these manifests |
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1023 with a None value in the returned dictionary. |
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1024 |
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1025 The result is returned as a dict with filename as key and |
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1026 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
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1027 nodeid in the current/other manifest and fl1/fl2 is the flag |
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1028 in the current/other manifest. Where the file does not exist, |
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1029 the nodeid will be None and the flags will be the empty |
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1030 string. |
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1031 ''' |
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1032 if match: |
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1033 m1 = self.matches(match) |
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1034 m2 = m2.matches(match) |
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1035 return m1.diff(m2, clean=clean) |
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1036 result = {} |
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1037 emptytree = treemanifest() |
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1038 def _diff(t1, t2): |
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1039 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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1040 return |
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1041 t1._load() |
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1042 t2._load() |
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1043 for d, m1 in t1._dirs.iteritems(): |
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1044 m2 = t2._dirs.get(d, emptytree) |
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1045 _diff(m1, m2) |
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1046 |
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1047 for d, m2 in t2._dirs.iteritems(): |
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1048 if d not in t1._dirs: |
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1049 _diff(emptytree, m2) |
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1050 |
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1051 for fn, n1 in t1._files.iteritems(): |
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1052 fl1 = t1._flags.get(fn, '') |
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1053 n2 = t2._files.get(fn, None) |
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1054 fl2 = t2._flags.get(fn, '') |
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1055 if n1 != n2 or fl1 != fl2: |
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1056 result[t1._subpath(fn)] = ((n1, fl1), (n2, fl2)) |
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1057 elif clean: |
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1058 result[t1._subpath(fn)] = None |
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1059 |
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1060 for fn, n2 in t2._files.iteritems(): |
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1061 if fn not in t1._files: |
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1062 fl2 = t2._flags.get(fn, '') |
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1063 result[t2._subpath(fn)] = ((None, ''), (n2, fl2)) |
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1064 |
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1065 _diff(self, m2) |
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1066 return result |
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1067 |
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1068 def unmodifiedsince(self, m2): |
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1069 return not self._dirty and not m2._dirty and self._node == m2._node |
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1070 |
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1071 def parse(self, text, readsubtree): |
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1072 for f, n, fl in _parse(text): |
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1073 if fl == 't': |
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1074 f = f + '/' |
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1075 self._dirs[f] = readsubtree(self._subpath(f), n) |
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1076 elif '/' in f: |
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1077 # This is a flat manifest, so use __setitem__ and setflag rather |
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1078 # than assigning directly to _files and _flags, so we can |
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1079 # assign a path in a subdirectory, and to mark dirty (compared |
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1080 # to nullid). |
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1081 self[f] = n |
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1082 if fl: |
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1083 self.setflag(f, fl) |
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1084 else: |
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1085 # Assigning to _files and _flags avoids marking as dirty, |
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1086 # and should be a little faster. |
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1087 self._files[f] = n |
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1088 if fl: |
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1089 self._flags[f] = fl |
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1090 |
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1091 def text(self): |
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1092 """Get the full data of this manifest as a bytestring.""" |
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1093 self._load() |
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1094 return _text(self.iterentries()) |
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1095 |
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1096 def dirtext(self): |
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1097 """Get the full data of this directory as a bytestring. Make sure that |
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1098 any submanifests have been written first, so their nodeids are correct. |
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1099 """ |
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1100 self._load() |
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1101 flags = self.flags |
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1102 dirs = [(d[:-1], self._dirs[d]._node, 't') for d in self._dirs] |
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1103 files = [(f, self._files[f], flags(f)) for f in self._files] |
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1104 return _text(sorted(dirs + files)) |
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1105 |
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1106 def read(self, gettext, readsubtree): |
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1107 def _load_for_read(s): |
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1108 s.parse(gettext(), readsubtree) |
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1109 s._dirty = False |
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1110 self._loadfunc = _load_for_read |
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1111 |
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1112 def writesubtrees(self, m1, m2, writesubtree): |
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1113 self._load() # for consistency; should never have any effect here |
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1114 m1._load() |
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1115 m2._load() |
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1116 emptytree = treemanifest() |
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1117 for d, subm in self._dirs.iteritems(): |
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1118 subp1 = m1._dirs.get(d, emptytree)._node |
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1119 subp2 = m2._dirs.get(d, emptytree)._node |
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1120 if subp1 == revlog.nullid: |
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1121 subp1, subp2 = subp2, subp1 |
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1122 writesubtree(subm, subp1, subp2) |
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1123 |
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1124 def walksubtrees(self, matcher=None): |
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1125 """Returns an iterator of the subtrees of this manifest, including this |
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1126 manifest itself. |
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1127 |
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1128 If `matcher` is provided, it only returns subtrees that match. |
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1129 """ |
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1130 if matcher and not matcher.visitdir(self._dir[:-1] or '.'): |
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1131 return |
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1132 if not matcher or matcher(self._dir[:-1]): |
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31787
diff
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|
1133 yield self |
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diff
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|
1134 |
94c1d3c1aea2
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Durham Goode <durham@fb.com>
parents:
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diff
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|
1135 self._load() |
94c1d3c1aea2
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Durham Goode <durham@fb.com>
parents:
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diff
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|
1136 for d, subm in self._dirs.iteritems(): |
94c1d3c1aea2
treemanifest: add walksubtrees api
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diff
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|
1137 for subtree in subm.walksubtrees(matcher=matcher): |
94c1d3c1aea2
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diff
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|
1138 yield subtree |
94c1d3c1aea2
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diff
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|
1139 |
38781
0a57945aaf7f
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|
1140 class manifestfulltextcache(util.lrucachedict): |
0a57945aaf7f
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diff
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|
1141 """File-backed LRU cache for the manifest cache |
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|
1142 |
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|
1143 File consists of entries, up to EOF: |
0a57945aaf7f
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|
1144 |
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1145 - 20 bytes node, 4 bytes length, <length> manifest data |
0a57945aaf7f
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|
1146 |
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|
1147 These are written in reverse cache order (oldest to newest). |
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|
1148 |
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|
1149 """ |
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1150 def __init__(self, max): |
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1151 super(manifestfulltextcache, self).__init__(max) |
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1152 self._dirty = False |
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|
1153 self._read = False |
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|
1154 self._opener = None |
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|
1155 |
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|
1156 def read(self): |
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1157 if self._read or self._opener is None: |
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diff
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|
1158 return |
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|
1159 |
0a57945aaf7f
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diff
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|
1160 try: |
0a57945aaf7f
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|
1161 with self._opener('manifestfulltextcache') as fp: |
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|
1162 set = super(manifestfulltextcache, self).__setitem__ |
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1163 # ignore trailing data, this is a cache, corruption is skipped |
0a57945aaf7f
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|
1164 while True: |
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1165 node = fp.read(20) |
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1166 if len(node) < 20: |
0a57945aaf7f
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parents:
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diff
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|
1167 break |
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Martijn Pieters <mj@zopatista.com>
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diff
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|
1168 try: |
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|
1169 size = struct.unpack('>L', fp.read(4))[0] |
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diff
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|
1170 except struct.error: |
0a57945aaf7f
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diff
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|
1171 break |
0a57945aaf7f
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|
1172 value = bytearray(fp.read(size)) |
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diff
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|
1173 if len(value) != size: |
0a57945aaf7f
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parents:
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diff
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|
1174 break |
0a57945aaf7f
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diff
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|
1175 set(node, value) |
0a57945aaf7f
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|
1176 except IOError: |
0a57945aaf7f
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Martijn Pieters <mj@zopatista.com>
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|
1177 # the file is allowed to be missing |
0a57945aaf7f
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diff
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|
1178 pass |
0a57945aaf7f
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diff
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|
1179 |
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|
1180 self._read = True |
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|
1181 self._dirty = False |
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diff
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|
1182 |
0a57945aaf7f
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|
1183 def write(self): |
0a57945aaf7f
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|
1184 if not self._dirty or self._opener is None: |
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parents:
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diff
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|
1185 return |
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diff
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|
1186 # rotate backwards to the first used node |
0a57945aaf7f
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|
1187 with self._opener( |
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|
1188 'manifestfulltextcache', 'w', atomictemp=True, checkambig=True |
0a57945aaf7f
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diff
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|
1189 ) as fp: |
0a57945aaf7f
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|
1190 node = self._head.prev |
0a57945aaf7f
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diff
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|
1191 while True: |
0a57945aaf7f
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Martijn Pieters <mj@zopatista.com>
parents:
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diff
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|
1192 if node.key in self._cache: |
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Martijn Pieters <mj@zopatista.com>
parents:
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diff
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|
1193 fp.write(node.key) |
0a57945aaf7f
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Martijn Pieters <mj@zopatista.com>
parents:
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diff
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|
1194 fp.write(struct.pack('>L', len(node.value))) |
0a57945aaf7f
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Martijn Pieters <mj@zopatista.com>
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diff
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|
1195 fp.write(node.value) |
0a57945aaf7f
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Martijn Pieters <mj@zopatista.com>
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diff
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|
1196 if node is self._head: |
0a57945aaf7f
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parents:
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diff
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|
1197 break |
0a57945aaf7f
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diff
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|
1198 node = node.prev |
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diff
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|
1199 |
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|
1200 def __len__(self): |
0a57945aaf7f
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parents:
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diff
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|
1201 if not self._read: |
0a57945aaf7f
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diff
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|
1202 self.read() |
0a57945aaf7f
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Martijn Pieters <mj@zopatista.com>
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diff
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|
1203 return super(manifestfulltextcache, self).__len__() |
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diff
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|
1204 |
0a57945aaf7f
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|
1205 def __contains__(self, k): |
0a57945aaf7f
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Martijn Pieters <mj@zopatista.com>
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|
1206 if not self._read: |
0a57945aaf7f
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Martijn Pieters <mj@zopatista.com>
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diff
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|
1207 self.read() |
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Martijn Pieters <mj@zopatista.com>
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|
1208 return super(manifestfulltextcache, self).__contains__(k) |
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|
1209 |
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|
1210 def __iter__(self): |
0a57945aaf7f
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|
1211 if not self._read: |
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diff
changeset
|
1212 self.read() |
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Martijn Pieters <mj@zopatista.com>
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|
1213 return super(manifestfulltextcache, self).__iter__() |
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|
1214 |
0a57945aaf7f
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|
1215 def __getitem__(self, k): |
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Martijn Pieters <mj@zopatista.com>
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|
1216 if not self._read: |
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diff
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|
1217 self.read() |
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|
1218 # the cache lru order can change on read |
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Martijn Pieters <mj@zopatista.com>
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|
1219 setdirty = self._cache.get(k) is not self._head |
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|
1220 value = super(manifestfulltextcache, self).__getitem__(k) |
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|
1221 if setdirty: |
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|
1222 self._dirty = True |
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|
1223 return value |
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|
1224 |
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|
1225 def __setitem__(self, k, v): |
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|
1226 if not self._read: |
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diff
changeset
|
1227 self.read() |
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changeset
|
1228 super(manifestfulltextcache, self).__setitem__(k, v) |
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|
1229 self._dirty = True |
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|
1230 |
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|
1231 def __delitem__(self, k): |
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|
1232 if not self._read: |
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|
1233 self.read() |
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|
1234 super(manifestfulltextcache, self).__delitem__(k) |
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|
1235 self._dirty = True |
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|
1236 |
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|
1237 def get(self, k, default=None): |
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|
1238 if not self._read: |
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changeset
|
1239 self.read() |
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|
1240 return super(manifestfulltextcache, self).get(k, default=default) |
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|
1241 |
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1242 def clear(self, clear_persisted_data=False): |
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|
1243 super(manifestfulltextcache, self).clear() |
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|
1244 if clear_persisted_data: |
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|
1245 self._dirty = True |
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changeset
|
1246 self.write() |
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|
1247 self._read = False |
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|
1248 |
29824
58d4ecdc531e
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29823
diff
changeset
|
1249 class manifestrevlog(revlog.revlog): |
58d4ecdc531e
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diff
changeset
|
1250 '''A revlog that stores manifest texts. This is responsible for caching the |
58d4ecdc531e
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diff
changeset
|
1251 full-text manifest contents. |
58d4ecdc531e
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diff
changeset
|
1252 ''' |
32252
d67991c4fefe
treemanifest: allow manifestrevlog to take an explicit treemanifest arg
Durham Goode <durham@fb.com>
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diff
changeset
|
1253 def __init__(self, opener, dir='', dirlogcache=None, indexfile=None, |
d67991c4fefe
treemanifest: allow manifestrevlog to take an explicit treemanifest arg
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
1254 treemanifest=False): |
31151
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1255 """Constructs a new manifest revlog |
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1256 |
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1257 `indexfile` - used by extensions to have two manifests at once, like |
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1258 when transitioning between flatmanifeset and treemanifests. |
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1259 |
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1260 `treemanifest` - used to indicate this is a tree manifest revlog. Opener |
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1261 options can also be used to make this a tree manifest revlog. The opener |
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1262 option takes precedence, so if it is set to True, we ignore whatever |
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1263 value is passed in to the constructor. |
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1264 """ |
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1265 # During normal operations, we expect to deal with not more than four |
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1266 # revs at a time (such as during commit --amend). When rebasing large |
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1267 # stacks of commits, the number can go up, hence the config knob below. |
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1268 cachesize = 4 |
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1269 optiontreemanifest = False |
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1270 opts = getattr(opener, 'options', None) |
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1271 if opts is not None: |
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1272 cachesize = opts.get('manifestcachesize', cachesize) |
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1273 optiontreemanifest = opts.get('treemanifest', False) |
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1274 |
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1275 self._treeondisk = optiontreemanifest or treemanifest |
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1276 |
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1277 self._fulltextcache = manifestfulltextcache(cachesize) |
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1278 |
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1279 if dir: |
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1280 assert self._treeondisk, 'opts is %r' % opts |
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1281 |
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1282 if indexfile is None: |
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1283 indexfile = '00manifest.i' |
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1284 if dir: |
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1285 indexfile = "meta/" + dir + indexfile |
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1286 |
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1287 self._dir = dir |
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1288 # The dirlogcache is kept on the root manifest log |
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1289 if dir: |
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1290 self._dirlogcache = dirlogcache |
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1291 else: |
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1292 self._dirlogcache = {'': self} |
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1293 |
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1294 super(manifestrevlog, self).__init__(opener, indexfile, |
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1295 # only root indexfile is cached |
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1296 checkambig=not bool(dir), |
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1297 mmaplargeindex=True) |
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1298 |
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1299 def _setupmanifestcachehooks(self, repo): |
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1300 """Persist the manifestfulltextcache on lock release""" |
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1301 if not util.safehasattr(repo, '_lockref'): |
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1302 return |
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1303 |
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1304 self._fulltextcache._opener = repo.cachevfs |
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1305 reporef = weakref.ref(repo) |
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1306 manifestrevlogref = weakref.ref(self) |
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1307 |
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1308 def persistmanifestcache(): |
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1309 repo = reporef() |
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1310 self = manifestrevlogref() |
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1311 if repo is None or self is None: |
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1312 return |
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1313 if repo.manifestlog._revlog is not self: |
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1314 # there's a different manifest in play now, abort |
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1315 return |
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1316 self._fulltextcache.write() |
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1317 |
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1318 if repo._currentlock(repo._lockref) is not None: |
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1319 repo._afterlock(persistmanifestcache) |
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1320 |
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1321 @property |
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1322 def fulltextcache(self): |
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1323 return self._fulltextcache |
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1324 |
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1325 def clearcaches(self, clear_persisted_data=False): |
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1326 super(manifestrevlog, self).clearcaches() |
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1327 self._fulltextcache.clear(clear_persisted_data=clear_persisted_data) |
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1328 self._dirlogcache = {'': self} |
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1329 |
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1330 def dirlog(self, d): |
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1331 if d: |
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1332 assert self._treeondisk |
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1333 if d not in self._dirlogcache: |
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1334 mfrevlog = manifestrevlog(self.opener, d, |
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1335 self._dirlogcache, |
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1336 treemanifest=self._treeondisk) |
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1337 self._dirlogcache[d] = mfrevlog |
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1338 return self._dirlogcache[d] |
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1339 |
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1340 def add(self, m, transaction, link, p1, p2, added, removed, readtree=None): |
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1341 if p1 in self.fulltextcache and util.safehasattr(m, 'fastdelta'): |
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1342 # If our first parent is in the manifest cache, we can |
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1343 # compute a delta here using properties we know about the |
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1344 # manifest up-front, which may save time later for the |
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1345 # revlog layer. |
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1346 |
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1347 _checkforbidden(added) |
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1348 # combine the changed lists into one sorted iterator |
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1349 work = heapq.merge([(x, False) for x in added], |
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1350 [(x, True) for x in removed]) |
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1351 |
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1352 arraytext, deltatext = m.fastdelta(self.fulltextcache[p1], work) |
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1353 cachedelta = self.rev(p1), deltatext |
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1354 text = util.buffer(arraytext) |
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1355 n = self.addrevision(text, transaction, link, p1, p2, cachedelta) |
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1356 else: |
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1357 # The first parent manifest isn't already loaded, so we'll |
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1358 # just encode a fulltext of the manifest and pass that |
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1359 # through to the revlog layer, and let it handle the delta |
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1360 # process. |
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1361 if self._treeondisk: |
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1362 assert readtree, "readtree must be set for treemanifest writes" |
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1363 m1 = readtree(self._dir, p1) |
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1364 m2 = readtree(self._dir, p2) |
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1365 n = self._addtree(m, transaction, link, m1, m2, readtree) |
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1366 arraytext = None |
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1367 else: |
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1368 text = m.text() |
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|
1369 n = self.addrevision(text, transaction, link, p1, p2) |
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1370 arraytext = bytearray(text) |
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|
1371 |
30209
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Martin von Zweigbergk <martinvonz@google.com>
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|
1372 if arraytext is not None: |
9d06b65c5df2
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1373 self.fulltextcache[n] = arraytext |
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1374 |
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1375 return n |
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1376 |
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1377 def _addtree(self, m, transaction, link, m1, m2, readtree): |
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1378 # If the manifest is unchanged compared to one parent, |
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1379 # don't write a new revision |
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1380 if self._dir != '' and (m.unmodifiedsince(m1) or m.unmodifiedsince(m2)): |
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1381 return m.node() |
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|
1382 def writesubtree(subm, subp1, subp2): |
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1383 sublog = self.dirlog(subm.dir()) |
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1384 sublog.add(subm, transaction, link, subp1, subp2, None, None, |
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|
1385 readtree=readtree) |
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1386 m.writesubtrees(m1, m2, writesubtree) |
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|
1387 text = m.dirtext() |
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1388 n = None |
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1389 if self._dir != '': |
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1390 # Double-check whether contents are unchanged to one parent |
36373
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1391 if text == m1.dirtext(): |
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1392 n = m1.node() |
36373
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|
1393 elif text == m2.dirtext(): |
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|
1394 n = m2.node() |
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|
1395 |
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|
1396 if not n: |
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1397 n = self.addrevision(text, transaction, link, m1.node(), m2.node()) |
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1398 |
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1399 # Save nodeid so parent manifest can calculate its nodeid |
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1400 m.setnode(n) |
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1401 return n |
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|
1402 |
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|
1403 @interfaceutil.implementer(repository.imanifestlog) |
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|
1404 class manifestlog(object): |
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1405 """A collection class representing the collection of manifest snapshots |
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1406 referenced by commits in the repository. |
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1407 |
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1408 In this situation, 'manifest' refers to the abstract concept of a snapshot |
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1409 of the list of files in the given commit. Consumers of the output of this |
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1410 class do not care about the implementation details of the actual manifests |
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1411 they receive (i.e. tree or flat or lazily loaded, etc).""" |
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|
1412 def __init__(self, opener, repo): |
29959
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1413 usetreemanifest = False |
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|
1414 cachesize = 4 |
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|
1415 |
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|
1416 opts = getattr(opener, 'options', None) |
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|
1417 if opts is not None: |
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1418 usetreemanifest = opts.get('treemanifest', usetreemanifest) |
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|
1419 cachesize = opts.get('manifestcachesize', cachesize) |
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|
1420 self._treeinmem = usetreemanifest |
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|
1421 |
32195
9d3136638784
manifest: remove unused property _oldmanifest
Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
1422 self._revlog = repo._constructmanifest() |
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|
1423 self._revlog._setupmanifestcachehooks(repo) |
37373
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Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1424 self._narrowmatch = repo.narrowmatch() |
30219
3c8811efdddc
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|
1425 |
30292
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|
1426 # A cache of the manifestctx or treemanifestctx for each directory |
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|
1427 self._dirmancache = {} |
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|
1428 self._dirmancache[''] = util.lrucachedict(cachesize) |
30292
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|
1429 |
38510
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diff
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|
1430 self._cachesize = cachesize |
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|
1431 |
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|
1432 def __getitem__(self, node): |
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|
1433 """Retrieves the manifest instance for the given node. Throws a |
1a0c1ad57833
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|
1434 LookupError if not found. |
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|
1435 """ |
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|
1436 return self.get('', node) |
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1437 |
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|
1438 def get(self, tree, node, verify=True): |
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|
1439 """Retrieves the manifest instance for the given node. Throws a |
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|
1440 LookupError if not found. |
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|
1441 |
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|
1442 `verify` - if True an exception will be thrown if the node is not in |
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|
1443 the revlog |
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|
1444 """ |
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|
1445 if node in self._dirmancache.get(tree, ()): |
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|
1446 return self._dirmancache[tree][node] |
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|
1447 |
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|
1448 if not self._narrowmatch.always(): |
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|
1449 if not self._narrowmatch.visitdir(tree[:-1] or '.'): |
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|
1450 return excludeddirmanifestctx(tree, node) |
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|
1451 if tree: |
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|
1452 if self._revlog._treeondisk: |
30403
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|
1453 if verify: |
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|
1454 dirlog = self._revlog.dirlog(tree) |
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|
1455 if node not in dirlog.nodemap: |
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|
1456 raise LookupError(node, dirlog.indexfile, |
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|
1457 _('no node')) |
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|
1458 m = treemanifestctx(self, tree, node) |
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|
1459 else: |
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|
1460 raise error.Abort( |
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|
1461 _("cannot ask for manifest directory '%s' in a flat " |
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|
1462 "manifest") % tree) |
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|
1463 else: |
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|
1464 if verify: |
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|
1465 if node not in self._revlog.nodemap: |
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|
1466 raise LookupError(node, self._revlog.indexfile, |
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|
1467 _('no node')) |
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|
1468 if self._treeinmem: |
31153
5cab44fd1257
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|
1469 m = treemanifestctx(self, '', node) |
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|
1470 else: |
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changeset
|
1471 m = manifestctx(self, node) |
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|
1472 |
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|
1473 if node != revlog.nullid: |
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|
1474 mancache = self._dirmancache.get(tree) |
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|
1475 if not mancache: |
38510
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diff
changeset
|
1476 mancache = util.lrucachedict(self._cachesize) |
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changeset
|
1477 self._dirmancache[tree] = mancache |
30292
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diff
changeset
|
1478 mancache[node] = m |
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diff
changeset
|
1479 return m |
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changeset
|
1480 |
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changeset
|
1481 def clearcaches(self, clear_persisted_data=False): |
30370
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30369
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changeset
|
1482 self._dirmancache.clear() |
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changeset
|
1483 self._revlog.clearcaches(clear_persisted_data=clear_persisted_data) |
30370
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1484 |
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|
1485 def rev(self, node): |
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|
1486 return self._revlog.rev(node) |
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|
1487 |
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|
1488 @interfaceutil.implementer(repository.imanifestrevisionwritable) |
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|
1489 class memmanifestctx(object): |
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|
1490 def __init__(self, manifestlog): |
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1491 self._manifestlog = manifestlog |
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|
1492 self._manifestdict = manifestdict() |
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|
1493 |
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|
1494 def _revlog(self): |
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1495 return self._manifestlog._revlog |
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|
1496 |
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|
1497 def new(self): |
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1498 return memmanifestctx(self._manifestlog) |
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|
1499 |
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1500 def copy(self): |
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1501 memmf = memmanifestctx(self._manifestlog) |
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1502 memmf._manifestdict = self.read().copy() |
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|
1503 return memmf |
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|
1504 |
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|
1505 def read(self): |
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1506 return self._manifestdict |
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|
1507 |
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|
1508 def write(self, transaction, link, p1, p2, added, removed): |
fa54f7ade491
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1509 return self._revlog().add(self._manifestdict, transaction, link, p1, p2, |
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|
1510 added, removed) |
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|
1511 |
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1512 @interfaceutil.implementer(repository.imanifestrevisionstored) |
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|
1513 class manifestctx(object): |
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1514 """A class representing a single revision of a manifest, including its |
426d931e5db2
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1515 contents, its parent revs, and its linkrev. |
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1516 """ |
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1517 def __init__(self, manifestlog, node): |
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1518 self._manifestlog = manifestlog |
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1519 self._data = None |
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1520 |
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1521 self._node = node |
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|
1522 |
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1523 # TODO: We eventually want p1, p2, and linkrev exposed on this class, |
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1524 # but let's add it later when something needs it and we can load it |
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1525 # lazily. |
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1526 #self.p1, self.p2 = revlog.parents(node) |
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1527 #rev = revlog.rev(node) |
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1528 #self.linkrev = revlog.linkrev(rev) |
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|
1529 |
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|
1530 def _revlog(self): |
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1531 return self._manifestlog._revlog |
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|
1532 |
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|
1533 def node(self): |
426d931e5db2
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|
1534 return self._node |
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|
1535 |
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|
1536 def new(self): |
31153
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|
1537 return memmanifestctx(self._manifestlog) |
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|
1538 |
30343
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|
1539 def copy(self): |
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1540 memmf = memmanifestctx(self._manifestlog) |
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|
1541 memmf._manifestdict = self.read().copy() |
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|
1542 return memmf |
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|
1543 |
30565
7fbc8a742b4d
manifest: expose the parents() method
Mateusz Kwapich <mitrandir@fb.com>
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diff
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|
1544 @propertycache |
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Mateusz Kwapich <mitrandir@fb.com>
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diff
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|
1545 def parents(self): |
7fbc8a742b4d
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|
1546 return self._revlog().parents(self._node) |
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diff
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|
1547 |
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|
1548 def read(self): |
31097
4a1486c73fdf
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|
1549 if self._data is None: |
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|
1550 if self._node == revlog.nullid: |
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|
1551 self._data = manifestdict() |
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|
1552 else: |
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|
1553 rl = self._revlog() |
38781
0a57945aaf7f
manifest: persist the manifestfulltext cache
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diff
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|
1554 if self._node in rl._fulltextcache: |
0a57945aaf7f
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|
1555 text = pycompat.bytestr(rl._fulltextcache[self._node]) |
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|
1556 else: |
0a57945aaf7f
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|
1557 text = rl.revision(self._node) |
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diff
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|
1558 arraytext = bytearray(text) |
0a57945aaf7f
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diff
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|
1559 rl._fulltextcache[self._node] = arraytext |
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|
1560 self._data = manifestdict(text) |
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|
1561 return self._data |
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diff
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|
1562 |
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Durham Goode <durham@fb.com>
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diff
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|
1563 def readfast(self, shallow=False): |
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|
1564 '''Calls either readdelta or read, based on which would be less work. |
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|
1565 readdelta is called if the delta is against the p1, and therefore can be |
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|
1566 read quickly. |
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|
1567 |
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|
1568 If `shallow` is True, nothing changes since this is a flat manifest. |
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|
1569 ''' |
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|
1570 rl = self._revlog() |
29939
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|
1571 r = rl.rev(self._node) |
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|
1572 deltaparent = rl.deltaparent(r) |
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diff
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|
1573 if deltaparent != revlog.nullrev and deltaparent in rl.parentrevs(r): |
80be4436e4cc
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|
1574 return self.readdelta() |
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|
1575 return self.read() |
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|
1576 |
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|
1577 def readdelta(self, shallow=False): |
30295
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|
1578 '''Returns a manifest containing just the entries that are present |
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|
1579 in this manifest, but not in its p1 manifest. This is efficient to read |
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|
1580 if the revlog delta is already p1. |
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|
1581 |
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|
1582 Changing the value of `shallow` has no effect on flat manifests. |
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|
1583 ''' |
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|
1584 revlog = self._revlog() |
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|
1585 r = revlog.rev(self._node) |
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|
1586 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r)) |
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|
1587 return manifestdict(d) |
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|
1588 |
30340
608ba935e041
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diff
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|
1589 def find(self, key): |
608ba935e041
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diff
changeset
|
1590 return self.read().find(key) |
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diff
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|
1591 |
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diff
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|
1592 @interfaceutil.implementer(repository.imanifestrevisionwritable) |
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|
1593 class memtreemanifestctx(object): |
31153
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|
1594 def __init__(self, manifestlog, dir=''): |
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|
1595 self._manifestlog = manifestlog |
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|
1596 self._dir = dir |
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|
1597 self._treemanifest = treemanifest() |
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|
1598 |
30345
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changeset
|
1599 def _revlog(self): |
31153
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|
1600 return self._manifestlog._revlog |
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diff
changeset
|
1601 |
30342
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diff
changeset
|
1602 def new(self, dir=''): |
31153
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1603 return memtreemanifestctx(self._manifestlog, dir=dir) |
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1604 |
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1605 def copy(self): |
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1606 memmf = memtreemanifestctx(self._manifestlog, dir=self._dir) |
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1607 memmf._treemanifest = self._treemanifest.copy() |
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1608 return memmf |
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|
1609 |
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1610 def read(self): |
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1611 return self._treemanifest |
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1612 |
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1613 def write(self, transaction, link, p1, p2, added, removed): |
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1614 def readtree(dir, node): |
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1615 return self._manifestlog.get(dir, node).read() |
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1616 return self._revlog().add(self._treemanifest, transaction, link, p1, p2, |
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1617 added, removed, readtree=readtree) |
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|
1618 |
38530
c82ea938efbb
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Gregory Szorc <gregory.szorc@gmail.com>
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1619 @interfaceutil.implementer(repository.imanifestrevisionstored) |
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1620 class treemanifestctx(object): |
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1621 def __init__(self, manifestlog, dir, node): |
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1622 self._manifestlog = manifestlog |
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1623 self._dir = dir |
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1624 self._data = None |
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1625 |
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1626 self._node = node |
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1627 |
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1628 # TODO: Load p1/p2/linkrev lazily. They need to be lazily loaded so that |
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1629 # we can instantiate treemanifestctx objects for directories we don't |
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1630 # have on disk. |
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1631 #self.p1, self.p2 = revlog.parents(node) |
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1632 #rev = revlog.rev(node) |
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1633 #self.linkrev = revlog.linkrev(rev) |
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1634 |
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1635 def _revlog(self): |
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|
1636 narrowmatch = self._manifestlog._narrowmatch |
c50078fc32f3
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1637 if not narrowmatch.always(): |
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1638 if not narrowmatch.visitdir(self._dir[:-1] or '.'): |
c50078fc32f3
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|
1639 return excludedmanifestrevlog(self._dir) |
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1640 return self._manifestlog._revlog.dirlog(self._dir) |
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1641 |
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1642 def read(self): |
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1643 if self._data is None: |
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1644 rl = self._revlog() |
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1645 if self._node == revlog.nullid: |
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1646 self._data = treemanifest() |
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1647 elif rl._treeondisk: |
29926
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1648 m = treemanifest(dir=self._dir) |
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1649 def gettext(): |
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1650 return rl.revision(self._node) |
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|
1651 def readsubtree(dir, subm): |
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|
1652 # Set verify to False since we need to be able to create |
a1beadaa4061
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1653 # subtrees for trees that don't exist on disk. |
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1654 return self._manifestlog.get(dir, subm, verify=False).read() |
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1655 m.read(gettext, readsubtree) |
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1656 m.setnode(self._node) |
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|
1657 self._data = m |
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|
1658 else: |
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manifest: persist the manifestfulltext cache
Martijn Pieters <mj@zopatista.com>
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|
1659 if self._node in rl.fulltextcache: |
0a57945aaf7f
manifest: persist the manifestfulltext cache
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|
1660 text = pycompat.bytestr(rl.fulltextcache[self._node]) |
0a57945aaf7f
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|
1661 else: |
0a57945aaf7f
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Martijn Pieters <mj@zopatista.com>
parents:
38657
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|
1662 text = rl.revision(self._node) |
0a57945aaf7f
manifest: persist the manifestfulltext cache
Martijn Pieters <mj@zopatista.com>
parents:
38657
diff
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|
1663 arraytext = bytearray(text) |
0a57945aaf7f
manifest: persist the manifestfulltext cache
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diff
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|
1664 rl.fulltextcache[self._node] = arraytext |
29926
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|
1665 self._data = treemanifest(dir=self._dir, text=text) |
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|
1666 |
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|
1667 return self._data |
29907
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|
1668 |
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|
1669 def node(self): |
4fb4fc331699
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|
1670 return self._node |
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|
1671 |
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|
1672 def new(self, dir=''): |
31153
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1673 return memtreemanifestctx(self._manifestlog, dir=dir) |
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|
1674 |
30343
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|
1675 def copy(self): |
31153
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|
1676 memmf = memtreemanifestctx(self._manifestlog, dir=self._dir) |
30343
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|
1677 memmf._treemanifest = self.read().copy() |
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|
1678 return memmf |
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diff
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|
1679 |
30565
7fbc8a742b4d
manifest: expose the parents() method
Mateusz Kwapich <mitrandir@fb.com>
parents:
30443
diff
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|
1680 @propertycache |
7fbc8a742b4d
manifest: expose the parents() method
Mateusz Kwapich <mitrandir@fb.com>
parents:
30443
diff
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|
1681 def parents(self): |
7fbc8a742b4d
manifest: expose the parents() method
Mateusz Kwapich <mitrandir@fb.com>
parents:
30443
diff
changeset
|
1682 return self._revlog().parents(self._node) |
7fbc8a742b4d
manifest: expose the parents() method
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30443
diff
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|
1683 |
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|
1684 def readdelta(self, shallow=False): |
30295
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|
1685 '''Returns a manifest containing just the entries that are present |
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|
1686 in this manifest, but not in its p1 manifest. This is efficient to read |
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|
1687 if the revlog delta is already p1. |
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|
1688 |
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|
1689 If `shallow` is True, this will read the delta for this directory, |
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|
1690 without recursively reading subdirectory manifests. Instead, any |
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|
1691 subdirectory entry will be reported as it appears in the manifest, i.e. |
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|
1692 the subdirectory will be reported among files and distinguished only by |
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|
1693 its 't' flag. |
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|
1694 ''' |
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|
1695 revlog = self._revlog() |
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36301
diff
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|
1696 if shallow: |
30293
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1697 r = revlog.rev(self._node) |
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|
1698 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r)) |
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1699 return manifestdict(d) |
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1700 else: |
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|
1701 # Need to perform a slow delta |
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1702 r0 = revlog.deltaparent(revlog.rev(self._node)) |
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|
1703 m0 = self._manifestlog.get(self._dir, revlog.node(r0)).read() |
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|
1704 m1 = self.read() |
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1705 md = treemanifest(dir=self._dir) |
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|
1706 for f, ((n0, fl0), (n1, fl1)) in m0.diff(m1).iteritems(): |
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1707 if n1: |
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|
1708 md[f] = n1 |
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1709 if fl1: |
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|
1710 md.setflag(f, fl1) |
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|
1711 return md |
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|
1712 |
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|
1713 def readfast(self, shallow=False): |
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|
1714 '''Calls either readdelta or read, based on which would be less work. |
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|
1715 readdelta is called if the delta is against the p1, and therefore can be |
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|
1716 read quickly. |
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1717 |
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1718 If `shallow` is True, it only returns the entries from this manifest, |
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1719 and not any submanifests. |
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1720 ''' |
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1721 rl = self._revlog() |
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1722 r = rl.rev(self._node) |
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1723 deltaparent = rl.deltaparent(r) |
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1724 if (deltaparent != revlog.nullrev and |
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1725 deltaparent in rl.parentrevs(r)): |
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1726 return self.readdelta(shallow=shallow) |
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1727 |
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1728 if shallow: |
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1729 return manifestdict(rl.revision(self._node)) |
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1730 else: |
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1731 return self.read() |
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1732 |
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1733 def find(self, key): |
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1734 return self.read().find(key) |
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1735 |
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1736 class excludeddir(treemanifest): |
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1737 """Stand-in for a directory that is excluded from the repository. |
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1738 |
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1739 With narrowing active on a repository that uses treemanifests, |
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1740 some of the directory revlogs will be excluded from the resulting |
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1741 clone. This is a huge storage win for clients, but means we need |
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1742 some sort of pseudo-manifest to surface to internals so we can |
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1743 detect a merge conflict outside the narrowspec. That's what this |
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1744 class is: it stands in for a directory whose node is known, but |
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1745 whose contents are unknown. |
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1746 """ |
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1747 def __init__(self, dir, node): |
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1748 super(excludeddir, self).__init__(dir) |
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1749 self._node = node |
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1750 # Add an empty file, which will be included by iterators and such, |
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1751 # appearing as the directory itself (i.e. something like "dir/") |
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1752 self._files[''] = node |
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1753 self._flags[''] = 't' |
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1754 |
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1755 # Manifests outside the narrowspec should never be modified, so avoid |
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1756 # copying. This makes a noticeable difference when there are very many |
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1757 # directories outside the narrowspec. Also, it makes sense for the copy to |
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1758 # be of the same type as the original, which would not happen with the |
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1759 # super type's copy(). |
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1760 def copy(self): |
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1761 return self |
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1762 |
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|
1763 class excludeddirmanifestctx(treemanifestctx): |
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1764 """context wrapper for excludeddir - see that docstring for rationale""" |
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1765 def __init__(self, dir, node): |
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1766 self._dir = dir |
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1767 self._node = node |
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1768 |
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1769 def read(self): |
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1770 return excludeddir(self._dir, self._node) |
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1771 |
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1772 def write(self, *args): |
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1773 raise error.ProgrammingError( |
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1774 'attempt to write manifest from excluded dir %s' % self._dir) |
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1775 |
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|
1776 class excludedmanifestrevlog(manifestrevlog): |
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1777 """Stand-in for excluded treemanifest revlogs. |
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1778 |
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|
1779 When narrowing is active on a treemanifest repository, we'll have |
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|
1780 references to directories we can't see due to the revlog being |
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|
1781 skipped. This class exists to conform to the manifestrevlog |
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1782 interface for those directories and proactively prevent writes to |
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1783 outside the narrowspec. |
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1784 """ |
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|
1785 |
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|
1786 def __init__(self, dir): |
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1787 self._dir = dir |
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1788 |
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1789 def __len__(self): |
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1790 raise error.ProgrammingError( |
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1791 'attempt to get length of excluded dir %s' % self._dir) |
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|
1792 |
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1793 def rev(self, node): |
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1794 raise error.ProgrammingError( |
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1795 'attempt to get rev from excluded dir %s' % self._dir) |
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1796 |
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|
1797 def linkrev(self, node): |
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1798 raise error.ProgrammingError( |
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1799 'attempt to get linkrev from excluded dir %s' % self._dir) |
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|
1800 |
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|
1801 def node(self, rev): |
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1802 raise error.ProgrammingError( |
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1803 'attempt to get node from excluded dir %s' % self._dir) |
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1804 |
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1805 def add(self, *args, **kwargs): |
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1806 # We should never write entries in dirlogs outside the narrow clone. |
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1807 # However, the method still gets called from writesubtree() in |
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1808 # _addtree(), so we need to handle it. We should possibly make that |
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1809 # avoid calling add() with a clean manifest (_dirty is always False |
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|
1810 # in excludeddir instances). |
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1811 pass |