Mercurial > hg
annotate mercurial/manifest.py @ 37135:ecac0006b90e
localrepo: move featuresetupfuncs out of localrepository class (API)
I want to establish an interface for local repositories.
featuresetupfuncs is a class attribute and is global/shared across all
localrepository instances. Let's move it to a module-level attribute
to clarify it isn't part of the local repository interface.
.. api::
localrepo.localrepository.featuresetupfuncs has been renamed to
localrepo.featuresetupfuncs.
Differential Revision: https://phab.mercurial-scm.org/D2925
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Tue, 20 Mar 2018 17:30:30 -0700 |
parents | 0147a4730420 |
children | 6ff8bd691fb8 |
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 |
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14 from .i18n import _ |
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15 from .node import ( |
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16 bin, |
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17 hex, |
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18 ) |
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19 from . import ( |
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20 error, |
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21 mdiff, |
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22 policy, |
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23 revlog, |
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24 util, |
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25 ) |
79 | 26 |
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27 parsers = policy.importmod(r'parsers') |
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28 propertycache = util.propertycache |
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29 |
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30 def _parse(data): |
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31 # This method does a little bit of excessive-looking |
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32 # precondition checking. This is so that the behavior of this |
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33 # class exactly matches its C counterpart to try and help |
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34 # prevent surprise breakage for anyone that develops against |
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35 # the pure version. |
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36 if data and data[-1:] != '\n': |
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37 raise ValueError('Manifest did not end in a newline.') |
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38 prev = None |
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39 for l in data.splitlines(): |
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40 if prev is not None and prev > l: |
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41 raise ValueError('Manifest lines not in sorted order.') |
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42 prev = l |
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43 f, n = l.split('\0') |
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44 if len(n) > 40: |
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45 yield f, bin(n[:40]), n[40:] |
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46 else: |
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47 yield f, bin(n), '' |
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48 |
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49 def _text(it): |
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50 files = [] |
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51 lines = [] |
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52 _hex = revlog.hex |
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53 for f, n, fl in it: |
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54 files.append(f) |
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55 # if this is changed to support newlines in filenames, |
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56 # be sure to check the templates/ dir again (especially *-raw.tmpl) |
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57 lines.append("%s\0%s%s\n" % (f, _hex(n), fl)) |
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58 |
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59 _checkforbidden(files) |
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60 return ''.join(lines) |
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61 |
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62 class lazymanifestiter(object): |
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63 def __init__(self, lm): |
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64 self.pos = 0 |
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65 self.lm = lm |
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66 |
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67 def __iter__(self): |
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68 return self |
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69 |
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70 def next(self): |
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71 try: |
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72 data, pos = self.lm._get(self.pos) |
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73 except IndexError: |
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74 raise StopIteration |
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75 if pos == -1: |
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76 self.pos += 1 |
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77 return data[0] |
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78 self.pos += 1 |
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79 zeropos = data.find('\x00', pos) |
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80 return data[pos:zeropos] |
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81 |
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82 __next__ = next |
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83 |
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84 class lazymanifestiterentries(object): |
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85 def __init__(self, lm): |
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86 self.lm = lm |
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87 self.pos = 0 |
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88 |
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89 def __iter__(self): |
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90 return self |
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91 |
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92 def next(self): |
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93 try: |
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94 data, pos = self.lm._get(self.pos) |
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95 except IndexError: |
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96 raise StopIteration |
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97 if pos == -1: |
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98 self.pos += 1 |
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99 return data |
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100 zeropos = data.find('\x00', pos) |
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101 hashval = unhexlify(data, self.lm.extrainfo[self.pos], |
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102 zeropos + 1, 40) |
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103 flags = self.lm._getflags(data, self.pos, zeropos) |
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104 self.pos += 1 |
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105 return (data[pos:zeropos], hashval, flags) |
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106 |
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107 __next__ = next |
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108 |
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109 def unhexlify(data, extra, pos, length): |
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110 s = bin(data[pos:pos + length]) |
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111 if extra: |
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112 s += chr(extra & 0xff) |
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113 return s |
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114 |
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115 def _cmp(a, b): |
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116 return (a > b) - (a < b) |
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117 |
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118 class _lazymanifest(object): |
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119 def __init__(self, data, positions=None, extrainfo=None, extradata=None): |
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120 if positions is None: |
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121 self.positions = self.findlines(data) |
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122 self.extrainfo = [0] * len(self.positions) |
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123 self.data = data |
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124 self.extradata = [] |
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125 else: |
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126 self.positions = positions[:] |
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127 self.extrainfo = extrainfo[:] |
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128 self.extradata = extradata[:] |
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129 self.data = data |
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130 |
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131 def findlines(self, data): |
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132 if not data: |
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133 return [] |
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134 pos = data.find("\n") |
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135 if pos == -1 or data[-1:] != '\n': |
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136 raise ValueError("Manifest did not end in a newline.") |
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137 positions = [0] |
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138 prev = data[:data.find('\x00')] |
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139 while pos < len(data) - 1 and pos != -1: |
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140 positions.append(pos + 1) |
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141 nexts = data[pos + 1:data.find('\x00', pos + 1)] |
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142 if nexts < prev: |
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143 raise ValueError("Manifest lines not in sorted order.") |
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144 prev = nexts |
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145 pos = data.find("\n", pos + 1) |
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146 return positions |
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147 |
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148 def _get(self, index): |
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149 # get the position encoded in pos: |
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150 # positive number is an index in 'data' |
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151 # negative number is in extrapieces |
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152 pos = self.positions[index] |
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153 if pos >= 0: |
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154 return self.data, pos |
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155 return self.extradata[-pos - 1], -1 |
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156 |
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157 def _getkey(self, pos): |
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158 if pos >= 0: |
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159 return self.data[pos:self.data.find('\x00', pos + 1)] |
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160 return self.extradata[-pos - 1][0] |
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161 |
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162 def bsearch(self, key): |
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163 first = 0 |
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164 last = len(self.positions) - 1 |
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165 |
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166 while first <= last: |
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167 midpoint = (first + last)//2 |
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168 nextpos = self.positions[midpoint] |
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169 candidate = self._getkey(nextpos) |
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170 r = _cmp(key, candidate) |
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171 if r == 0: |
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172 return midpoint |
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173 else: |
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174 if r < 0: |
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175 last = midpoint - 1 |
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176 else: |
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177 first = midpoint + 1 |
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178 return -1 |
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179 |
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180 def bsearch2(self, key): |
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181 # same as the above, but will always return the position |
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182 # done for performance reasons |
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183 first = 0 |
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184 last = len(self.positions) - 1 |
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185 |
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186 while first <= last: |
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187 midpoint = (first + last)//2 |
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188 nextpos = self.positions[midpoint] |
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189 candidate = self._getkey(nextpos) |
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190 r = _cmp(key, candidate) |
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191 if r == 0: |
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192 return (midpoint, True) |
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193 else: |
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194 if r < 0: |
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195 last = midpoint - 1 |
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196 else: |
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197 first = midpoint + 1 |
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198 return (first, False) |
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199 |
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200 def __contains__(self, key): |
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201 return self.bsearch(key) != -1 |
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202 |
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203 def _getflags(self, data, needle, pos): |
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204 start = pos + 41 |
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205 end = data.find("\n", start) |
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206 if end == -1: |
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207 end = len(data) - 1 |
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208 if start == end: |
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209 return '' |
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210 return self.data[start:end] |
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211 |
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212 def __getitem__(self, key): |
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213 if not isinstance(key, bytes): |
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214 raise TypeError("getitem: manifest keys must be a bytes.") |
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215 needle = self.bsearch(key) |
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216 if needle == -1: |
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217 raise KeyError |
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218 data, pos = self._get(needle) |
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219 if pos == -1: |
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220 return (data[1], data[2]) |
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221 zeropos = data.find('\x00', pos) |
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222 assert 0 <= needle <= len(self.positions) |
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223 assert len(self.extrainfo) == len(self.positions) |
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224 hashval = unhexlify(data, self.extrainfo[needle], zeropos + 1, 40) |
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225 flags = self._getflags(data, needle, zeropos) |
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226 return (hashval, flags) |
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227 |
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228 def __delitem__(self, key): |
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229 needle, found = self.bsearch2(key) |
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230 if not found: |
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231 raise KeyError |
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232 cur = self.positions[needle] |
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233 self.positions = self.positions[:needle] + self.positions[needle + 1:] |
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234 self.extrainfo = self.extrainfo[:needle] + self.extrainfo[needle + 1:] |
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235 if cur >= 0: |
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236 self.data = self.data[:cur] + '\x00' + self.data[cur + 1:] |
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237 |
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238 def __setitem__(self, key, value): |
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239 if not isinstance(key, bytes): |
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240 raise TypeError("setitem: manifest keys must be a byte string.") |
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241 if not isinstance(value, tuple) or len(value) != 2: |
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242 raise TypeError("Manifest values must be a tuple of (node, flags).") |
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243 hashval = value[0] |
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244 if not isinstance(hashval, bytes) or not 20 <= len(hashval) <= 22: |
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245 raise TypeError("node must be a 20-byte byte string") |
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246 flags = value[1] |
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247 if len(hashval) == 22: |
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248 hashval = hashval[:-1] |
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249 if not isinstance(flags, bytes) or len(flags) > 1: |
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250 raise TypeError("flags must a 0 or 1 byte string, got %r", flags) |
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251 needle, found = self.bsearch2(key) |
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252 if found: |
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253 # put the item |
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254 pos = self.positions[needle] |
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255 if pos < 0: |
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256 self.extradata[-pos - 1] = (key, hashval, value[1]) |
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257 else: |
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258 # just don't bother |
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259 self.extradata.append((key, hashval, value[1])) |
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260 self.positions[needle] = -len(self.extradata) |
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261 else: |
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262 # not found, put it in with extra positions |
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263 self.extradata.append((key, hashval, value[1])) |
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264 self.positions = (self.positions[:needle] + [-len(self.extradata)] |
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265 + self.positions[needle:]) |
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266 self.extrainfo = (self.extrainfo[:needle] + [0] + |
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267 self.extrainfo[needle:]) |
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268 |
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270 # XXX call _compact like in C? |
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271 return _lazymanifest(self.data, self.positions, self.extrainfo, |
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272 self.extradata) |
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273 |
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274 def _compact(self): |
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275 # hopefully not called TOO often |
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276 if len(self.extradata) == 0: |
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277 return |
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278 l = [] |
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279 last_cut = 0 |
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280 i = 0 |
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281 offset = 0 |
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282 self.extrainfo = [0] * len(self.positions) |
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283 while i < len(self.positions): |
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284 if self.positions[i] >= 0: |
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285 cur = self.positions[i] |
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286 last_cut = cur |
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287 while True: |
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288 self.positions[i] = offset |
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289 i += 1 |
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290 if i == len(self.positions) or self.positions[i] < 0: |
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291 break |
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292 offset += self.positions[i] - cur |
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293 cur = self.positions[i] |
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294 end_cut = self.data.find('\n', cur) |
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295 if end_cut != -1: |
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296 end_cut += 1 |
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297 offset += end_cut - cur |
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298 l.append(self.data[last_cut:end_cut]) |
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299 else: |
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300 while i < len(self.positions) and self.positions[i] < 0: |
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301 cur = self.positions[i] |
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302 t = self.extradata[-cur - 1] |
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303 l.append(self._pack(t)) |
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304 self.positions[i] = offset |
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305 if len(t[1]) > 20: |
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306 self.extrainfo[i] = ord(t[1][21]) |
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307 offset += len(l[-1]) |
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308 i += 1 |
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309 self.data = ''.join(l) |
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310 self.extradata = [] |
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311 |
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312 def _pack(self, d): |
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313 return d[0] + '\x00' + hex(d[1][:20]) + d[2] + '\n' |
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314 |
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315 def text(self): |
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316 self._compact() |
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317 return self.data |
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318 |
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319 def diff(self, m2, clean=False): |
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320 '''Finds changes between the current manifest and m2.''' |
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321 # XXX think whether efficiency matters here |
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322 diff = {} |
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323 |
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324 for fn, e1, flags in self.iterentries(): |
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325 if fn not in m2: |
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326 diff[fn] = (e1, flags), (None, '') |
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327 else: |
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328 e2 = m2[fn] |
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329 if (e1, flags) != e2: |
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330 diff[fn] = (e1, flags), e2 |
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331 elif clean: |
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332 diff[fn] = None |
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333 |
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334 for fn, e2, flags in m2.iterentries(): |
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335 if fn not in self: |
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336 diff[fn] = (None, ''), (e2, flags) |
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337 |
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338 return diff |
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339 |
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340 def iterentries(self): |
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341 return lazymanifestiterentries(self) |
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342 |
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343 def iterkeys(self): |
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344 return lazymanifestiter(self) |
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345 |
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346 def __iter__(self): |
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347 return lazymanifestiter(self) |
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348 |
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349 def __len__(self): |
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350 return len(self.positions) |
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351 |
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352 def filtercopy(self, filterfn): |
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353 # XXX should be optimized |
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354 c = _lazymanifest('') |
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355 for f, n, fl in self.iterentries(): |
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356 if filterfn(f): |
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357 c[f] = n, fl |
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358 return c |
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359 |
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360 try: |
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361 _lazymanifest = parsers.lazymanifest |
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362 except AttributeError: |
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363 pass |
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364 |
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365 class manifestdict(object): |
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366 def __init__(self, data=''): |
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367 self._lm = _lazymanifest(data) |
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368 |
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369 def __getitem__(self, key): |
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370 return self._lm[key][0] |
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371 |
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372 def find(self, key): |
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373 return self._lm[key] |
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374 |
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375 def __len__(self): |
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376 return len(self._lm) |
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377 |
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378 def __nonzero__(self): |
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379 # nonzero is covered by the __len__ function, but implementing it here |
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380 # makes it easier for extensions to override. |
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381 return len(self._lm) != 0 |
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382 |
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383 __bool__ = __nonzero__ |
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384 |
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385 def __setitem__(self, key, node): |
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386 self._lm[key] = node, self.flags(key, '') |
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387 |
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388 def __contains__(self, key): |
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389 if key is None: |
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390 return False |
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391 return key in self._lm |
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392 |
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393 def __delitem__(self, key): |
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394 del self._lm[key] |
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395 |
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396 def __iter__(self): |
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397 return self._lm.__iter__() |
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398 |
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399 def iterkeys(self): |
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400 return self._lm.iterkeys() |
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401 |
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402 def keys(self): |
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403 return list(self.iterkeys()) |
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404 |
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405 def filesnotin(self, m2, match=None): |
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406 '''Set of files in this manifest that are not in the other''' |
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407 if match: |
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408 m1 = self.matches(match) |
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409 m2 = m2.matches(match) |
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410 return m1.filesnotin(m2) |
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411 diff = self.diff(m2) |
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412 files = set(filepath |
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413 for filepath, hashflags in diff.iteritems() |
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414 if hashflags[1][0] is None) |
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415 return files |
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416 |
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417 @propertycache |
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418 def _dirs(self): |
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419 return util.dirs(self) |
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420 |
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421 def dirs(self): |
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422 return self._dirs |
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423 |
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424 def hasdir(self, dir): |
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425 return dir in self._dirs |
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426 |
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427 def _filesfastpath(self, match): |
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428 '''Checks whether we can correctly and quickly iterate over matcher |
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429 files instead of over manifest files.''' |
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430 files = match.files() |
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431 return (len(files) < 100 and (match.isexact() or |
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432 (match.prefix() and all(fn in self for fn in files)))) |
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433 |
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434 def walk(self, match): |
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435 '''Generates matching file names. |
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changeset
|
436 |
5693c834bcb4
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changeset
|
437 Equivalent to manifest.matches(match).iterkeys(), but without creating |
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|
438 an entirely new manifest. |
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|
439 |
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|
440 It also reports nonexistent files by marking them bad with match.bad(). |
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changeset
|
441 ''' |
24683
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manifest.walk: special-case match.always() for speed
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|
442 if match.always(): |
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|
443 for f in iter(self): |
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|
444 yield f |
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|
445 return |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
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changeset
|
446 |
24646
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|
447 fset = set(match.files()) |
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diff
changeset
|
448 |
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diff
changeset
|
449 # avoid the entire walk if we're only looking for specific files |
24685
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|
450 if self._filesfastpath(match): |
24667
19c5b0913960
manifest.walk: join nested if-conditions
Martin von Zweigbergk <martinvonz@google.com>
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|
451 for fn in sorted(fset): |
19c5b0913960
manifest.walk: join nested if-conditions
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|
452 yield fn |
24682
aef3d1469773
manifest.walk: use return instead of StopIteration in generator
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diff
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|
453 return |
24646
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parents:
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diff
changeset
|
454 |
5693c834bcb4
manifest: move changectx.walk() to manifests
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changeset
|
455 for fn in self: |
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parents:
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|
456 if fn in fset: |
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|
457 # specified pattern is the exact name |
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parents:
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|
458 fset.remove(fn) |
5693c834bcb4
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|
459 if match(fn): |
5693c834bcb4
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parents:
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diff
changeset
|
460 yield fn |
5693c834bcb4
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parents:
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diff
changeset
|
461 |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
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|
462 # for dirstate.walk, files=['.'] means "walk the whole tree". |
5693c834bcb4
manifest: move changectx.walk() to manifests
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|
463 # follow that here, too |
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|
464 fset.discard('.') |
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diff
changeset
|
465 |
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parents:
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changeset
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466 for fn in sorted(fset): |
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|
467 if not self.hasdir(fn): |
5693c834bcb4
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|
468 match.bad(fn, None) |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
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diff
changeset
|
469 |
23305
0cc283f44655
manifest: add matches() method
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|
470 def matches(self, match): |
0cc283f44655
manifest: add matches() method
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changeset
|
471 '''generate a new manifest filtered by the match argument''' |
0cc283f44655
manifest: add matches() method
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472 if match.always(): |
0cc283f44655
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|
473 return self.copy() |
0cc283f44655
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|
474 |
24685
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diff
changeset
|
475 if self._filesfastpath(match): |
24666
3092885b5b32
manifestdict: inline _intersectfiles()
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|
476 m = manifestdict() |
3092885b5b32
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|
477 lm = self._lm |
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manifestdict: inline _intersectfiles()
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|
478 for fn in match.files(): |
3092885b5b32
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|
479 if fn in lm: |
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|
480 m._lm[fn] = lm[fn] |
3092885b5b32
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|
481 return m |
23305
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|
482 |
24700
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24685
diff
changeset
|
483 m = manifestdict() |
24664
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
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diff
changeset
|
484 m._lm = self._lm.filtercopy(match) |
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
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parents:
24647
diff
changeset
|
485 return m |
23305
0cc283f44655
manifest: add matches() method
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parents:
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diff
changeset
|
486 |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
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parents:
31153
diff
changeset
|
487 def diff(self, m2, match=None, clean=False): |
23756
829f640b5540
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parents:
23602
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changeset
|
488 '''Finds changes between the current manifest and m2. |
829f640b5540
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diff
changeset
|
489 |
829f640b5540
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diff
changeset
|
490 Args: |
829f640b5540
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changeset
|
491 m2: the manifest to which this manifest should be compared. |
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23602
diff
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|
492 clean: if true, include files unchanged between these manifests |
829f640b5540
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diff
changeset
|
493 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
|
494 |
829f640b5540
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diff
changeset
|
495 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
|
496 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
829f640b5540
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diff
changeset
|
497 nodeid in the current/other manifest and fl1/fl2 is the flag |
829f640b5540
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parents:
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diff
changeset
|
498 in the current/other manifest. Where the file does not exist, |
829f640b5540
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23602
diff
changeset
|
499 the nodeid will be None and the flags will be the empty |
829f640b5540
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parents:
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diff
changeset
|
500 string. |
829f640b5540
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parents:
23602
diff
changeset
|
501 ''' |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
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parents:
31153
diff
changeset
|
502 if match: |
959ebff3505a
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31153
diff
changeset
|
503 m1 = self.matches(match) |
959ebff3505a
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31153
diff
changeset
|
504 m2 = m2.matches(match) |
959ebff3505a
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Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
505 return m1.diff(m2, clean=clean) |
24225
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
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24224
diff
changeset
|
506 return self._lm.diff(m2._lm, clean) |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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parents:
24224
diff
changeset
|
507 |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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parents:
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diff
changeset
|
508 def setflag(self, key, flag): |
3e5c4af69808
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24224
diff
changeset
|
509 self._lm[key] = self[key], flag |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
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diff
changeset
|
510 |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
511 def get(self, key, default=None): |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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diff
changeset
|
512 try: |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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diff
changeset
|
513 return self._lm[key][0] |
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diff
changeset
|
514 except KeyError: |
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parents:
24224
diff
changeset
|
515 return default |
22965
b697fa74b475
manifest: for diff(), only iterate over files, not flags
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22964
diff
changeset
|
516 |
24225
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Augie Fackler <augie@google.com>
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diff
changeset
|
517 def flags(self, key, default=''): |
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manifest: split manifestdict into high-level and low-level logic
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diff
changeset
|
518 try: |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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diff
changeset
|
519 return self._lm[key][1] |
3e5c4af69808
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diff
changeset
|
520 except KeyError: |
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parents:
24224
diff
changeset
|
521 return default |
22965
b697fa74b475
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diff
changeset
|
522 |
24225
3e5c4af69808
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diff
changeset
|
523 def copy(self): |
24700
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manifestdict: drop empty-string argument when creating empty manifest
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diff
changeset
|
524 c = manifestdict() |
24225
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changeset
|
525 c._lm = self._lm.copy() |
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parents:
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changeset
|
526 return c |
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parents:
24224
diff
changeset
|
527 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
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diff
changeset
|
528 def items(self): |
24298
49cd847fd69a
lazymanifest: make __iter__ generate filenames, not 3-tuples
Martin von Zweigbergk <martinvonz@google.com>
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24297
diff
changeset
|
529 return (x[:2] for x in self._lm.iterentries()) |
2831 | 530 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
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diff
changeset
|
531 iteritems = items |
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
532 |
28203
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
533 def iterentries(self): |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
534 return self._lm.iterentries() |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
535 |
36373
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
536 def text(self): |
0147a4730420
cleanup: say goodbye to manifestv2 format
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36301
diff
changeset
|
537 # most likely uses native version |
0147a4730420
cleanup: say goodbye to manifestv2 format
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parents:
36301
diff
changeset
|
538 return self._lm.text() |
22408
dc97e04c12ad
manifest: move checkforbidden to module-level
Augie Fackler <raf@durin42.com>
parents:
21879
diff
changeset
|
539 |
22931
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
540 def fastdelta(self, base, changes): |
31787
6bfea18df609
manifest: update comment to be about bytearray
Martin von Zweigbergk <martinvonz@google.com>
parents:
31650
diff
changeset
|
541 """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
|
542 relative to that text, compute a delta that can be used by revlog. |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
543 """ |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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22930
diff
changeset
|
544 delta = [] |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
545 dstart = None |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
546 dend = None |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
547 dline = [""] |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
548 start = 0 |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
549 # zero copy representation of base as a buffer |
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parents:
22930
diff
changeset
|
550 addbuf = util.buffer(base) |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
551 |
26871
1cbf144fd8a1
manifest: skip fastdelta if the change is large
Durham Goode <durham@fb.com>
parents:
26402
diff
changeset
|
552 changes = list(changes) |
1cbf144fd8a1
manifest: skip fastdelta if the change is large
Durham Goode <durham@fb.com>
parents:
26402
diff
changeset
|
553 if len(changes) < 1000: |
1cbf144fd8a1
manifest: skip fastdelta if the change is large
Durham Goode <durham@fb.com>
parents:
26402
diff
changeset
|
554 # start with a readonly loop that finds the offset of |
1cbf144fd8a1
manifest: skip fastdelta if the change is large
Durham Goode <durham@fb.com>
parents:
26402
diff
changeset
|
555 # each line and creates the deltas |
1cbf144fd8a1
manifest: skip fastdelta if the change is large
Durham Goode <durham@fb.com>
parents:
26402
diff
changeset
|
556 for f, todelete in changes: |
1cbf144fd8a1
manifest: skip fastdelta if the change is large
Durham Goode <durham@fb.com>
parents:
26402
diff
changeset
|
557 # bs will either be the index of the item or the insert point |
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558 start, end = _msearch(addbuf, f, start) |
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559 if not todelete: |
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560 h, fl = self._lm[f] |
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561 l = "%s\0%s%s\n" % (f, revlog.hex(h), fl) |
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562 else: |
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563 if start == end: |
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564 # item we want to delete was not found, error out |
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565 raise AssertionError( |
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566 _("failed to remove %s from manifest") % f) |
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567 l = "" |
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568 if dstart is not None and dstart <= start and dend >= start: |
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569 if dend < end: |
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570 dend = end |
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571 if l: |
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572 dline.append(l) |
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573 else: |
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574 if dstart is not None: |
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575 delta.append([dstart, dend, "".join(dline)]) |
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576 dstart = start |
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577 dend = end |
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578 dline = [l] |
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579 |
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580 if dstart is not None: |
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581 delta.append([dstart, dend, "".join(dline)]) |
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582 # apply the delta to the base, and get a delta for addrevision |
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583 deltatext, arraytext = _addlistdelta(base, delta) |
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584 else: |
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585 # For large changes, it's much cheaper to just build the text and |
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586 # diff it. |
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587 arraytext = bytearray(self.text()) |
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588 deltatext = mdiff.textdiff( |
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589 util.buffer(base), util.buffer(arraytext)) |
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590 |
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591 return arraytext, deltatext |
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592 |
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593 def _msearch(m, s, lo=0, hi=None): |
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594 '''return a tuple (start, end) that says where to find s within m. |
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595 |
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596 If the string is found m[start:end] are the line containing |
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597 that string. If start == end the string was not found and |
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598 they indicate the proper sorted insertion point. |
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599 |
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600 m should be a buffer, a memoryview or a byte string. |
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601 s is a byte string''' |
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602 def advance(i, c): |
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603 while i < lenm and m[i:i + 1] != c: |
22930
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604 i += 1 |
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605 return i |
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606 if not s: |
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607 return (lo, lo) |
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608 lenm = len(m) |
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609 if not hi: |
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610 hi = lenm |
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611 while lo < hi: |
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612 mid = (lo + hi) // 2 |
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613 start = mid |
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614 while start > 0 and m[start - 1:start] != '\n': |
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615 start -= 1 |
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616 end = advance(start, '\0') |
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617 if bytes(m[start:end]) < s: |
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618 # we know that after the null there are 40 bytes of sha1 |
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619 # this translates to the bisect lo = mid + 1 |
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620 lo = advance(end + 40, '\n') + 1 |
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621 else: |
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622 # this translates to the bisect hi = mid |
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623 hi = start |
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624 end = advance(lo, '\0') |
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625 found = m[lo:end] |
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626 if s == found: |
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|
627 # we know that after the null there are 40 bytes of sha1 |
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628 end = advance(end + 40, '\n') |
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629 return (lo, end + 1) |
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630 else: |
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631 return (lo, lo) |
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|
632 |
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|
633 def _checkforbidden(l): |
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634 """Check filenames for illegal characters.""" |
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635 for f in l: |
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|
636 if '\n' in f or '\r' in f: |
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|
637 raise error.RevlogError( |
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diff
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|
638 _("'\\n' and '\\r' disallowed in filenames: %r") % f) |
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diff
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|
639 |
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diff
changeset
|
640 |
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|
641 # apply the changes collected during the bisect loop to our addlist |
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|
642 # return a delta suitable for addrevision |
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parents:
22409
diff
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|
643 def _addlistdelta(addlist, x): |
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|
644 # for large addlist arrays, building a new array is cheaper |
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645 # than repeatedly modifying the existing one |
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|
646 currentposition = 0 |
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647 newaddlist = bytearray() |
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|
648 |
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|
649 for start, end, content in x: |
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|
650 newaddlist += addlist[currentposition:start] |
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|
651 if content: |
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652 newaddlist += bytearray(content) |
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|
653 |
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|
654 currentposition = end |
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|
655 |
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|
656 newaddlist += addlist[currentposition:] |
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|
657 |
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|
658 deltatext = "".join(struct.pack(">lll", start, end, len(content)) |
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659 + content for start, end, content in x) |
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660 return deltatext, newaddlist |
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|
661 |
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|
662 def _splittopdir(f): |
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|
663 if '/' in f: |
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|
664 dir, subpath = f.split('/', 1) |
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|
665 return dir + '/', subpath |
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|
666 else: |
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|
667 return '', f |
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|
668 |
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|
669 _noop = lambda s: None |
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diff
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670 |
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|
671 class treemanifest(object): |
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|
672 def __init__(self, dir='', text=''): |
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673 self._dir = dir |
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674 self._node = revlog.nullid |
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675 self._loadfunc = _noop |
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676 self._copyfunc = _noop |
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677 self._dirty = False |
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678 self._dirs = {} |
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679 # Using _lazymanifest here is a little slower than plain old dicts |
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680 self._files = {} |
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681 self._flags = {} |
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682 if text: |
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683 def readsubtree(subdir, subm): |
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684 raise AssertionError('treemanifest constructor only accepts ' |
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685 'flat manifests') |
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686 self.parse(text, readsubtree) |
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687 self._dirty = True # Mark flat manifest dirty after parsing |
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688 |
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689 def _subpath(self, path): |
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690 return self._dir + path |
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|
691 |
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692 def __len__(self): |
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693 self._load() |
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694 size = len(self._files) |
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695 for m in self._dirs.values(): |
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696 size += m.__len__() |
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697 return size |
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|
698 |
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699 def __nonzero__(self): |
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700 # Faster than "__len() != 0" since it avoids loading sub-manifests |
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701 return not self._isempty() |
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702 |
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|
703 __bool__ = __nonzero__ |
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|
704 |
24551
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|
705 def _isempty(self): |
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706 self._load() # for consistency; already loaded by all callers |
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|
707 return (not self._files and (not self._dirs or |
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cleanup: use __builtins__.all instead of util.all
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|
708 all(m._isempty() for m in self._dirs.values()))) |
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|
709 |
26400
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manifest: add id(self) to treemanifest __repr__
Augie Fackler <augie@google.com>
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|
710 def __repr__(self): |
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|
711 return ('<treemanifest dir=%s, node=%s, loaded=%s, dirty=%s at 0x%x>' % |
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|
712 (self._dir, revlog.hex(self._node), |
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|
713 bool(self._loadfunc is _noop), |
26400
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|
714 self._dirty, id(self))) |
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|
715 |
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|
716 def dir(self): |
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717 '''The directory that this tree manifest represents, including a |
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|
718 trailing '/'. Empty string for the repo root directory.''' |
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|
719 return self._dir |
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|
720 |
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|
721 def node(self): |
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|
722 '''This node of this instance. nullid for unsaved instances. Should |
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|
723 be updated when the instance is read or written from a revlog. |
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|
724 ''' |
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|
725 assert not self._dirty |
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|
726 return self._node |
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|
727 |
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|
728 def setnode(self, node): |
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|
729 self._node = node |
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|
730 self._dirty = False |
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|
731 |
28206
8ab91d9290ce
treemanifest: implement iterentries()
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diff
changeset
|
732 def iterentries(self): |
8ab91d9290ce
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changeset
|
733 self._load() |
32536
aa333c1982ab
manifest: use itertools.chain() instead of + for Python 3 compat
Augie Fackler <raf@durin42.com>
parents:
32535
diff
changeset
|
734 for p, n in sorted(itertools.chain(self._dirs.items(), |
aa333c1982ab
manifest: use itertools.chain() instead of + for Python 3 compat
Augie Fackler <raf@durin42.com>
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diff
changeset
|
735 self._files.items())): |
28206
8ab91d9290ce
treemanifest: implement iterentries()
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diff
changeset
|
736 if p in self._files: |
8ab91d9290ce
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diff
changeset
|
737 yield self._subpath(p), n, self._flags.get(p, '') |
8ab91d9290ce
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diff
changeset
|
738 else: |
8ab91d9290ce
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diff
changeset
|
739 for x in n.iterentries(): |
8ab91d9290ce
treemanifest: implement iterentries()
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diff
changeset
|
740 yield x |
8ab91d9290ce
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diff
changeset
|
741 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
742 def items(self): |
25222
0de132d5328a
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changeset
|
743 self._load() |
32536
aa333c1982ab
manifest: use itertools.chain() instead of + for Python 3 compat
Augie Fackler <raf@durin42.com>
parents:
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diff
changeset
|
744 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
|
745 self._files.items())): |
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changeset
|
746 if p in self._files: |
24403
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changeset
|
747 yield self._subpath(p), n |
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changeset
|
748 else: |
24403
0e23faa1511c
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diff
changeset
|
749 for f, sn in n.iteritems(): |
0e23faa1511c
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changeset
|
750 yield f, sn |
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diff
changeset
|
751 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
752 iteritems = items |
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
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diff
changeset
|
753 |
24401
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changeset
|
754 def iterkeys(self): |
25222
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changeset
|
755 self._load() |
32536
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Augie Fackler <raf@durin42.com>
parents:
32535
diff
changeset
|
756 for p in sorted(itertools.chain(self._dirs, self._files)): |
24401
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diff
changeset
|
757 if p in self._files: |
24403
0e23faa1511c
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diff
changeset
|
758 yield self._subpath(p) |
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diff
changeset
|
759 else: |
35586
fbf1a5d680ea
py3: don't use dict.iterkeys()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34345
diff
changeset
|
760 for f in self._dirs[p]: |
24403
0e23faa1511c
treemanifest: store directory path in treemanifest nodes
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diff
changeset
|
761 yield f |
24401
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diff
changeset
|
762 |
e6e023d57e94
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diff
changeset
|
763 def keys(self): |
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changeset
|
764 return list(self.iterkeys()) |
e6e023d57e94
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diff
changeset
|
765 |
e6e023d57e94
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changeset
|
766 def __iter__(self): |
e6e023d57e94
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changeset
|
767 return self.iterkeys() |
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diff
changeset
|
768 |
e6e023d57e94
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diff
changeset
|
769 def __contains__(self, f): |
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diff
changeset
|
770 if f is None: |
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diff
changeset
|
771 return False |
25222
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25221
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changeset
|
772 self._load() |
24401
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changeset
|
773 dir, subpath = _splittopdir(f) |
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diff
changeset
|
774 if dir: |
e6e023d57e94
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diff
changeset
|
775 if dir not in self._dirs: |
e6e023d57e94
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diff
changeset
|
776 return False |
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diff
changeset
|
777 return self._dirs[dir].__contains__(subpath) |
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diff
changeset
|
778 else: |
e6e023d57e94
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diff
changeset
|
779 return f in self._files |
e6e023d57e94
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diff
changeset
|
780 |
e6e023d57e94
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diff
changeset
|
781 def get(self, f, default=None): |
25222
0de132d5328a
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changeset
|
782 self._load() |
24401
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diff
changeset
|
783 dir, subpath = _splittopdir(f) |
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diff
changeset
|
784 if dir: |
e6e023d57e94
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parents:
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diff
changeset
|
785 if dir not in self._dirs: |
e6e023d57e94
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diff
changeset
|
786 return default |
e6e023d57e94
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parents:
24396
diff
changeset
|
787 return self._dirs[dir].get(subpath, default) |
e6e023d57e94
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diff
changeset
|
788 else: |
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789 return self._files.get(f, default) |
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|
790 |
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791 def __getitem__(self, f): |
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792 self._load() |
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793 dir, subpath = _splittopdir(f) |
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|
794 if dir: |
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|
795 return self._dirs[dir].__getitem__(subpath) |
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796 else: |
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|
797 return self._files[f] |
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|
798 |
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|
799 def flags(self, f): |
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|
800 self._load() |
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801 dir, subpath = _splittopdir(f) |
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|
802 if dir: |
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|
803 if dir not in self._dirs: |
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|
804 return '' |
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|
805 return self._dirs[dir].flags(subpath) |
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|
806 else: |
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changeset
|
807 if f in self._dirs: |
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|
808 return '' |
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|
809 return self._flags.get(f, '') |
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|
810 |
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|
811 def find(self, f): |
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|
812 self._load() |
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|
813 dir, subpath = _splittopdir(f) |
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changeset
|
814 if dir: |
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changeset
|
815 return self._dirs[dir].find(subpath) |
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|
816 else: |
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|
817 return self._files[f], self._flags.get(f, '') |
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|
818 |
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|
819 def __delitem__(self, f): |
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|
820 self._load() |
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821 dir, subpath = _splittopdir(f) |
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|
822 if dir: |
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|
823 self._dirs[dir].__delitem__(subpath) |
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|
824 # If the directory is now empty, remove it |
24551
4fdf5eac5b39
treemanifest: add treemanifest._isempty()
Drew Gottlieb <drgott@google.com>
parents:
24550
diff
changeset
|
825 if self._dirs[dir]._isempty(): |
24401
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|
826 del self._dirs[dir] |
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|
827 else: |
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|
828 del self._files[f] |
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|
829 if f in self._flags: |
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|
830 del self._flags[f] |
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|
831 self._dirty = True |
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|
832 |
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|
833 def __setitem__(self, f, n): |
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|
834 assert n is not None |
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|
835 self._load() |
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|
836 dir, subpath = _splittopdir(f) |
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|
837 if dir: |
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|
838 if dir not in self._dirs: |
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|
839 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
840 self._dirs[dir].__setitem__(subpath, n) |
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|
841 else: |
24467
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treemanifest: drop 22nd byte for consistency with manifestdict
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diff
changeset
|
842 self._files[f] = n[:21] # to match manifestdict's behavior |
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|
843 self._dirty = True |
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|
844 |
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|
845 def _load(self): |
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|
846 if self._loadfunc is not _noop: |
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|
847 lf, self._loadfunc = self._loadfunc, _noop |
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|
848 lf(self) |
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|
849 elif self._copyfunc is not _noop: |
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|
850 cf, self._copyfunc = self._copyfunc, _noop |
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|
851 cf(self) |
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|
852 |
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|
853 def setflag(self, f, flags): |
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|
854 """Set the flags (symlink, executable) for path f.""" |
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|
855 self._load() |
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|
856 dir, subpath = _splittopdir(f) |
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|
857 if dir: |
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changeset
|
858 if dir not in self._dirs: |
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|
859 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
860 self._dirs[dir].setflag(subpath, flags) |
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|
861 else: |
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|
862 self._flags[f] = flags |
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|
863 self._dirty = True |
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|
864 |
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|
865 def copy(self): |
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|
866 copy = treemanifest(self._dir) |
25091
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treemanifest: store submanifest revlog per directory
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parents:
24956
diff
changeset
|
867 copy._node = self._node |
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|
868 copy._dirty = self._dirty |
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|
869 if self._copyfunc is _noop: |
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|
870 def _copyfunc(s): |
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|
871 self._load() |
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|
872 for d in self._dirs: |
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|
873 s._dirs[d] = self._dirs[d].copy() |
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|
874 s._files = dict.copy(self._files) |
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|
875 s._flags = dict.copy(self._flags) |
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|
876 if self._loadfunc is _noop: |
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|
877 _copyfunc(copy) |
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|
878 else: |
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changeset
|
879 copy._copyfunc = _copyfunc |
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|
880 else: |
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changeset
|
881 copy._copyfunc = self._copyfunc |
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|
882 return copy |
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|
883 |
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diff
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|
884 def filesnotin(self, m2, match=None): |
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|
885 '''Set of files in this manifest that are not in the other''' |
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|
886 if match: |
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changeset
|
887 m1 = self.matches(match) |
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diff
changeset
|
888 m2 = m2.matches(match) |
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diff
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|
889 return m1.filesnotin(m2) |
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diff
changeset
|
890 |
24405
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diff
changeset
|
891 files = set() |
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changeset
|
892 def _filesnotin(t1, t2): |
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893 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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|
894 return |
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|
895 t1._load() |
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|
896 t2._load() |
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|
897 for d, m1 in t1._dirs.iteritems(): |
cbe9d50d9e65
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|
898 if d in t2._dirs: |
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changeset
|
899 m2 = t2._dirs[d] |
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|
900 _filesnotin(m1, m2) |
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diff
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|
901 else: |
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changeset
|
902 files.update(m1.iterkeys()) |
cbe9d50d9e65
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diff
changeset
|
903 |
36300
413c179cf7d5
manifest: correct the one use of iterkeys() on a dict
Augie Fackler <augie@google.com>
parents:
36174
diff
changeset
|
904 for fn in t1._files: |
24405
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
905 if fn not in t2._files: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
906 files.add(t1._subpath(fn)) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
907 |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
908 _filesnotin(self, m2) |
24401
e6e023d57e94
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parents:
24396
diff
changeset
|
909 return files |
e6e023d57e94
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parents:
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diff
changeset
|
910 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
911 @propertycache |
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Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
912 def _alldirs(self): |
24635
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24600
diff
changeset
|
913 return util.dirs(self) |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
914 |
e6e023d57e94
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Martin von Zweigbergk <martinvonz@google.com>
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24396
diff
changeset
|
915 def dirs(self): |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
916 return self._alldirs |
e6e023d57e94
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24396
diff
changeset
|
917 |
e6e023d57e94
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Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
918 def hasdir(self, dir): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
919 self._load() |
24406
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
920 topdir, subdir = _splittopdir(dir) |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
921 if topdir: |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
922 if topdir in self._dirs: |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
923 return self._dirs[topdir].hasdir(subdir) |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
924 return False |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
925 return (dir + '/') in self._dirs |
24401
e6e023d57e94
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parents:
24396
diff
changeset
|
926 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
927 def walk(self, match): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
928 '''Generates matching file names. |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
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diff
changeset
|
929 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
930 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
|
931 an entirely new manifest. |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
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diff
changeset
|
932 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
933 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
|
934 ''' |
24683
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
935 if match.always(): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
936 for f in iter(self): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
937 yield f |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
938 return |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
939 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
940 fset = set(match.files()) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
941 |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
942 for fn in self._walk(match): |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
943 if fn in fset: |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
944 # specified pattern is the exact name |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
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diff
changeset
|
945 fset.remove(fn) |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
946 yield fn |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
947 |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
948 # 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
|
949 # follow that here, too |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
950 fset.discard('.') |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
951 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
952 for fn in sorted(fset): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
953 if not self.hasdir(fn): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
954 match.bad(fn, None) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
955 |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
956 def _walk(self, match): |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
957 '''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
|
958 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
|
959 return |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
960 |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
961 # 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
|
962 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
|
963 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
|
964 if p in self._files: |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
965 fullp = self._subpath(p) |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
966 if match(fullp): |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
967 yield fullp |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
968 else: |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
969 for f in self._dirs[p]._walk(match): |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
970 yield f |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
971 |
24401
e6e023d57e94
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diff
changeset
|
972 def matches(self, match): |
e6e023d57e94
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diff
changeset
|
973 '''generate a new manifest filtered by the match argument''' |
e6e023d57e94
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24396
diff
changeset
|
974 if match.always(): |
e6e023d57e94
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diff
changeset
|
975 return self.copy() |
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diff
changeset
|
976 |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
977 return self._matches(match) |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
978 |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
979 def _matches(self, match): |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
980 '''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
|
981 ''' |
27343
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
982 |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
983 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
|
984 if visit == 'all': |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
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parents:
27271
diff
changeset
|
985 return self.copy() |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
986 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
|
987 if not visit: |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
988 return ret |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
989 |
25222
0de132d5328a
treemanifest: lazily load manifests
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parents:
25221
diff
changeset
|
990 self._load() |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
991 for fn in self._files: |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
992 fullp = self._subpath(fn) |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
993 if not match(fullp): |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
994 continue |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
995 ret._files[fn] = self._files[fn] |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
996 if fn in self._flags: |
a2292da6d821
treemanifest: make treemanifest.matches() faster
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parents:
24551
diff
changeset
|
997 ret._flags[fn] = self._flags[fn] |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
998 |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
999 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
|
1000 m = subm._matches(match) |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1001 if not m._isempty(): |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1002 ret._dirs[dir] = m |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1003 |
25220
f0fbd88b21fb
treemanifest: speed up diff by keeping track of dirty nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
25188
diff
changeset
|
1004 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
|
1005 ret._dirty = True |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1006 return ret |
24401
e6e023d57e94
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parents:
24396
diff
changeset
|
1007 |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
Durham Goode <durham@fb.com>
parents:
31153
diff
changeset
|
1008 def diff(self, m2, match=None, clean=False): |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
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diff
changeset
|
1009 '''Finds changes between the current manifest and m2. |
e6e023d57e94
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parents:
24396
diff
changeset
|
1010 |
e6e023d57e94
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parents:
24396
diff
changeset
|
1011 Args: |
e6e023d57e94
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24396
diff
changeset
|
1012 m2: the manifest to which this manifest should be compared. |
e6e023d57e94
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diff
changeset
|
1013 clean: if true, include files unchanged between these manifests |
e6e023d57e94
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diff
changeset
|
1014 with a None value in the returned dictionary. |
e6e023d57e94
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24396
diff
changeset
|
1015 |
e6e023d57e94
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diff
changeset
|
1016 The result is returned as a dict with filename as key and |
e6e023d57e94
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parents:
24396
diff
changeset
|
1017 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
e6e023d57e94
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diff
changeset
|
1018 nodeid in the current/other manifest and fl1/fl2 is the flag |
e6e023d57e94
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diff
changeset
|
1019 in the current/other manifest. Where the file does not exist, |
e6e023d57e94
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parents:
24396
diff
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|
1020 the nodeid will be None and the flags will be the empty |
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1021 string. |
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1022 ''' |
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1023 if match: |
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1024 m1 = self.matches(match) |
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1025 m2 = m2.matches(match) |
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1026 return m1.diff(m2, clean=clean) |
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1027 result = {} |
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1028 emptytree = treemanifest() |
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1029 def _diff(t1, t2): |
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1030 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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1031 return |
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1032 t1._load() |
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1033 t2._load() |
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1034 for d, m1 in t1._dirs.iteritems(): |
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1035 m2 = t2._dirs.get(d, emptytree) |
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1036 _diff(m1, m2) |
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1037 |
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1038 for d, m2 in t2._dirs.iteritems(): |
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1039 if d not in t1._dirs: |
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1040 _diff(emptytree, m2) |
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1041 |
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1042 for fn, n1 in t1._files.iteritems(): |
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1043 fl1 = t1._flags.get(fn, '') |
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1044 n2 = t2._files.get(fn, None) |
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1045 fl2 = t2._flags.get(fn, '') |
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1046 if n1 != n2 or fl1 != fl2: |
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1047 result[t1._subpath(fn)] = ((n1, fl1), (n2, fl2)) |
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1048 elif clean: |
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1049 result[t1._subpath(fn)] = None |
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1050 |
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1051 for fn, n2 in t2._files.iteritems(): |
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1052 if fn not in t1._files: |
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1053 fl2 = t2._flags.get(fn, '') |
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1054 result[t2._subpath(fn)] = ((None, ''), (n2, fl2)) |
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1055 |
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1056 _diff(self, m2) |
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1057 return result |
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1058 |
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1059 def unmodifiedsince(self, m2): |
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1060 return not self._dirty and not m2._dirty and self._node == m2._node |
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1061 |
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1062 def parse(self, text, readsubtree): |
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1063 for f, n, fl in _parse(text): |
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1064 if fl == 't': |
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1065 f = f + '/' |
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1066 self._dirs[f] = readsubtree(self._subpath(f), n) |
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1067 elif '/' in f: |
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1068 # This is a flat manifest, so use __setitem__ and setflag rather |
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1069 # than assigning directly to _files and _flags, so we can |
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1070 # assign a path in a subdirectory, and to mark dirty (compared |
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1071 # to nullid). |
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1072 self[f] = n |
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1073 if fl: |
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1074 self.setflag(f, fl) |
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1075 else: |
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1076 # Assigning to _files and _flags avoids marking as dirty, |
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1077 # and should be a little faster. |
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1078 self._files[f] = n |
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1079 if fl: |
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1080 self._flags[f] = fl |
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1081 |
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1082 def text(self): |
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1083 """Get the full data of this manifest as a bytestring.""" |
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1084 self._load() |
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1085 return _text(self.iterentries()) |
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1086 |
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1087 def dirtext(self): |
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1088 """Get the full data of this directory as a bytestring. Make sure that |
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1089 any submanifests have been written first, so their nodeids are correct. |
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1090 """ |
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1091 self._load() |
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1092 flags = self.flags |
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1093 dirs = [(d[:-1], self._dirs[d]._node, 't') for d in self._dirs] |
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1094 files = [(f, self._files[f], flags(f)) for f in self._files] |
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1095 return _text(sorted(dirs + files)) |
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1096 |
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1097 def read(self, gettext, readsubtree): |
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1098 def _load_for_read(s): |
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1099 s.parse(gettext(), readsubtree) |
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1100 s._dirty = False |
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1101 self._loadfunc = _load_for_read |
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1102 |
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1103 def writesubtrees(self, m1, m2, writesubtree): |
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1104 self._load() # for consistency; should never have any effect here |
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1105 m1._load() |
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1106 m2._load() |
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1107 emptytree = treemanifest() |
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1108 for d, subm in self._dirs.iteritems(): |
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1109 subp1 = m1._dirs.get(d, emptytree)._node |
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1110 subp2 = m2._dirs.get(d, emptytree)._node |
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1111 if subp1 == revlog.nullid: |
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1112 subp1, subp2 = subp2, subp1 |
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1113 writesubtree(subm, subp1, subp2) |
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1114 |
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1115 def walksubtrees(self, matcher=None): |
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1116 """Returns an iterator of the subtrees of this manifest, including this |
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1117 manifest itself. |
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1118 |
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1119 If `matcher` is provided, it only returns subtrees that match. |
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1120 """ |
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1121 if matcher and not matcher.visitdir(self._dir[:-1] or '.'): |
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1122 return |
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1123 if not matcher or matcher(self._dir[:-1]): |
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1124 yield self |
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1125 |
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1126 self._load() |
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1127 for d, subm in self._dirs.iteritems(): |
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1128 for subtree in subm.walksubtrees(matcher=matcher): |
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1129 yield subtree |
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1130 |
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1131 class manifestrevlog(revlog.revlog): |
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1132 '''A revlog that stores manifest texts. This is responsible for caching the |
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1133 full-text manifest contents. |
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1134 ''' |
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1135 def __init__(self, opener, dir='', dirlogcache=None, indexfile=None, |
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1136 treemanifest=False): |
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1137 """Constructs a new manifest revlog |
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1138 |
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1139 `indexfile` - used by extensions to have two manifests at once, like |
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1140 when transitioning between flatmanifeset and treemanifests. |
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1141 |
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1142 `treemanifest` - used to indicate this is a tree manifest revlog. Opener |
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1143 options can also be used to make this a tree manifest revlog. The opener |
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1144 option takes precedence, so if it is set to True, we ignore whatever |
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1145 value is passed in to the constructor. |
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1146 """ |
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1147 # During normal operations, we expect to deal with not more than four |
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1148 # revs at a time (such as during commit --amend). When rebasing large |
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1149 # stacks of commits, the number can go up, hence the config knob below. |
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1150 cachesize = 4 |
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1151 optiontreemanifest = False |
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1152 opts = getattr(opener, 'options', None) |
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1153 if opts is not None: |
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1154 cachesize = opts.get('manifestcachesize', cachesize) |
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1155 optiontreemanifest = opts.get('treemanifest', False) |
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1156 |
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1157 self._treeondisk = optiontreemanifest or treemanifest |
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1158 |
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1159 self._fulltextcache = util.lrucachedict(cachesize) |
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1160 |
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1161 if dir: |
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1162 assert self._treeondisk, 'opts is %r' % opts |
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1163 if not dir.endswith('/'): |
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1164 dir = dir + '/' |
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1165 |
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1166 if indexfile is None: |
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1167 indexfile = '00manifest.i' |
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1168 if dir: |
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1169 indexfile = "meta/" + dir + indexfile |
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1170 |
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1171 self._dir = dir |
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1172 # The dirlogcache is kept on the root manifest log |
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1173 if dir: |
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1174 self._dirlogcache = dirlogcache |
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1175 else: |
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1176 self._dirlogcache = {'': self} |
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1177 |
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1178 super(manifestrevlog, self).__init__(opener, indexfile, |
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1179 # only root indexfile is cached |
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1180 checkambig=not bool(dir), |
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1181 mmaplargeindex=True) |
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1182 |
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1183 @property |
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1184 def fulltextcache(self): |
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1185 return self._fulltextcache |
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1186 |
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1187 def clearcaches(self): |
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1188 super(manifestrevlog, self).clearcaches() |
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1189 self._fulltextcache.clear() |
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1190 self._dirlogcache = {'': self} |
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1191 |
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1192 def dirlog(self, d): |
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1193 if d: |
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1194 assert self._treeondisk |
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1195 if d not in self._dirlogcache: |
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1196 mfrevlog = manifestrevlog(self.opener, d, |
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1197 self._dirlogcache, |
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1198 treemanifest=self._treeondisk) |
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1199 self._dirlogcache[d] = mfrevlog |
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1200 return self._dirlogcache[d] |
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1201 |
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1202 def add(self, m, transaction, link, p1, p2, added, removed, readtree=None): |
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1203 if p1 in self.fulltextcache and util.safehasattr(m, 'fastdelta'): |
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1204 # If our first parent is in the manifest cache, we can |
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1205 # compute a delta here using properties we know about the |
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1206 # manifest up-front, which may save time later for the |
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1207 # revlog layer. |
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1208 |
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1209 _checkforbidden(added) |
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1210 # combine the changed lists into one sorted iterator |
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1211 work = heapq.merge([(x, False) for x in added], |
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1212 [(x, True) for x in removed]) |
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1213 |
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1214 arraytext, deltatext = m.fastdelta(self.fulltextcache[p1], work) |
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1215 cachedelta = self.rev(p1), deltatext |
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1216 text = util.buffer(arraytext) |
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1217 n = self.addrevision(text, transaction, link, p1, p2, cachedelta) |
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1218 else: |
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1219 # The first parent manifest isn't already loaded, so we'll |
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1220 # just encode a fulltext of the manifest and pass that |
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1221 # through to the revlog layer, and let it handle the delta |
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1222 # process. |
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1223 if self._treeondisk: |
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1224 assert readtree, "readtree must be set for treemanifest writes" |
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1225 m1 = readtree(self._dir, p1) |
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1226 m2 = readtree(self._dir, p2) |
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1227 n = self._addtree(m, transaction, link, m1, m2, readtree) |
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1228 arraytext = None |
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1229 else: |
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1230 text = m.text() |
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1231 n = self.addrevision(text, transaction, link, p1, p2) |
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1232 arraytext = bytearray(text) |
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1233 |
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1234 if arraytext is not None: |
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1235 self.fulltextcache[n] = arraytext |
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1236 |
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1237 return n |
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1238 |
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1239 def _addtree(self, m, transaction, link, m1, m2, readtree): |
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1240 # If the manifest is unchanged compared to one parent, |
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1241 # don't write a new revision |
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1242 if self._dir != '' and (m.unmodifiedsince(m1) or m.unmodifiedsince(m2)): |
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1243 return m.node() |
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1244 def writesubtree(subm, subp1, subp2): |
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1245 sublog = self.dirlog(subm.dir()) |
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1246 sublog.add(subm, transaction, link, subp1, subp2, None, None, |
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diff
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|
1247 readtree=readtree) |
29961
774a15b129e8
manifest: move manifest.add onto manifestrevlog
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1248 m.writesubtrees(m1, m2, writesubtree) |
36373
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cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
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diff
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|
1249 text = m.dirtext() |
31294
c134a33b1d73
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diff
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|
1250 n = None |
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diff
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|
1251 if self._dir != '': |
c134a33b1d73
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diff
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|
1252 # Double-check whether contents are unchanged to one parent |
36373
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Augie Fackler <augie@google.com>
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diff
changeset
|
1253 if text == m1.dirtext(): |
31294
c134a33b1d73
treemanifest: make node reuse match flat manifest behavior
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diff
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|
1254 n = m1.node() |
36373
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diff
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|
1255 elif text == m2.dirtext(): |
31294
c134a33b1d73
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diff
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|
1256 n = m2.node() |
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diff
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|
1257 |
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|
1258 if not n: |
29961
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diff
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|
1259 n = self.addrevision(text, transaction, link, m1.node(), m2.node()) |
31294
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|
1260 |
29961
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|
1261 # Save nodeid so parent manifest can calculate its nodeid |
774a15b129e8
manifest: move manifest.add onto manifestrevlog
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|
1262 m.setnode(n) |
774a15b129e8
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diff
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|
1263 return n |
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diff
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|
1264 |
29825
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diff
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|
1265 class manifestlog(object): |
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manifest: introduce manifestlog and manifestctx classes
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1266 """A collection class representing the collection of manifest snapshots |
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1267 referenced by commits in the repository. |
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1268 |
426d931e5db2
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1269 In this situation, 'manifest' refers to the abstract concept of a snapshot |
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1270 of the list of files in the given commit. Consumers of the output of this |
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diff
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1271 class do not care about the implementation details of the actual manifests |
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1272 they receive (i.e. tree or flat or lazily loaded, etc).""" |
29826
93b44aa17691
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diff
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|
1273 def __init__(self, opener, repo): |
29959
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diff
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|
1274 usetreemanifest = False |
30372
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1275 cachesize = 4 |
29959
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1276 |
483003c27938
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1277 opts = getattr(opener, 'options', None) |
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1278 if opts is not None: |
483003c27938
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1279 usetreemanifest = opts.get('treemanifest', usetreemanifest) |
30372
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|
1280 cachesize = opts.get('manifestcachesize', cachesize) |
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1281 self._treeinmem = usetreemanifest |
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1282 |
32195
9d3136638784
manifest: remove unused property _oldmanifest
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1283 self._revlog = repo._constructmanifest() |
30219
3c8811efdddc
manifest: make manifestlog a storecache
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|
1284 |
30292
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1285 # A cache of the manifestctx or treemanifestctx for each directory |
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1286 self._dirmancache = {} |
30372
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1287 self._dirmancache[''] = util.lrucachedict(cachesize) |
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1288 |
30372
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|
1289 self.cachesize = cachesize |
29826
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|
1290 |
29825
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|
1291 def __getitem__(self, node): |
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1292 """Retrieves the manifest instance for the given node. Throws a |
1a0c1ad57833
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|
1293 LookupError if not found. |
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1294 """ |
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|
1295 return self.get('', node) |
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diff
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|
1296 |
30403
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|
1297 def get(self, dir, node, verify=True): |
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1298 """Retrieves the manifest instance for the given node. Throws a |
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|
1299 LookupError if not found. |
30403
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diff
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|
1300 |
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1301 `verify` - if True an exception will be thrown if the node is not in |
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|
1302 the revlog |
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|
1303 """ |
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|
1304 if node in self._dirmancache.get(dir, ()): |
32171
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|
1305 return self._dirmancache[dir][node] |
30292
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1306 |
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|
1307 if dir: |
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|
1308 if self._revlog._treeondisk: |
30403
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|
1309 if verify: |
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1310 dirlog = self._revlog.dirlog(dir) |
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1311 if node not in dirlog.nodemap: |
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1312 raise LookupError(node, dirlog.indexfile, |
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1313 _('no node')) |
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1314 m = treemanifestctx(self, dir, node) |
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1315 else: |
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|
1316 raise error.Abort( |
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|
1317 _("cannot ask for manifest directory '%s' in a flat " |
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|
1318 "manifest") % dir) |
29907
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|
1319 else: |
30403
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|
1320 if verify: |
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|
1321 if node not in self._revlog.nodemap: |
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1322 raise LookupError(node, self._revlog.indexfile, |
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1323 _('no node')) |
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1324 if self._treeinmem: |
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1325 m = treemanifestctx(self, '', node) |
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1326 else: |
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|
1327 m = manifestctx(self, node) |
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|
1328 |
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|
1329 if node != revlog.nullid: |
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1330 mancache = self._dirmancache.get(dir) |
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1331 if not mancache: |
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1332 mancache = util.lrucachedict(self.cachesize) |
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1333 self._dirmancache[dir] = mancache |
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|
1334 mancache[node] = m |
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|
1335 return m |
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|
1336 |
30370
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|
1337 def clearcaches(self): |
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1338 self._dirmancache.clear() |
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|
1339 self._revlog.clearcaches() |
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|
1340 |
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|
1341 class memmanifestctx(object): |
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1342 def __init__(self, manifestlog): |
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1343 self._manifestlog = manifestlog |
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1344 self._manifestdict = manifestdict() |
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1345 |
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|
1346 def _revlog(self): |
31153
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1347 return self._manifestlog._revlog |
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1348 |
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|
1349 def new(self): |
31153
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|
1350 return memmanifestctx(self._manifestlog) |
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1351 |
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|
1352 def copy(self): |
31153
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1353 memmf = memmanifestctx(self._manifestlog) |
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1354 memmf._manifestdict = self.read().copy() |
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|
1355 return memmf |
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|
1356 |
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|
1357 def read(self): |
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1358 return self._manifestdict |
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|
1359 |
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|
1360 def write(self, transaction, link, p1, p2, added, removed): |
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1361 return self._revlog().add(self._manifestdict, transaction, link, p1, p2, |
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|
1362 added, removed) |
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|
1363 |
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diff
changeset
|
1364 class manifestctx(object): |
29825
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|
1365 """A class representing a single revision of a manifest, including its |
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1366 contents, its parent revs, and its linkrev. |
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1367 """ |
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1368 def __init__(self, manifestlog, node): |
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1369 self._manifestlog = manifestlog |
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1370 self._data = None |
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1371 |
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1372 self._node = node |
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1373 |
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1374 # TODO: We eventually want p1, p2, and linkrev exposed on this class, |
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1375 # but let's add it later when something needs it and we can load it |
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1376 # lazily. |
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1377 #self.p1, self.p2 = revlog.parents(node) |
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1378 #rev = revlog.rev(node) |
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1379 #self.linkrev = revlog.linkrev(rev) |
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1380 |
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1381 def _revlog(self): |
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1382 return self._manifestlog._revlog |
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1383 |
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1384 def node(self): |
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1385 return self._node |
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1386 |
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1387 def new(self): |
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1388 return memmanifestctx(self._manifestlog) |
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1389 |
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1390 def copy(self): |
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1391 memmf = memmanifestctx(self._manifestlog) |
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1392 memmf._manifestdict = self.read().copy() |
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1393 return memmf |
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1394 |
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1395 @propertycache |
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1396 def parents(self): |
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1397 return self._revlog().parents(self._node) |
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1398 |
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1399 def read(self): |
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1400 if self._data is None: |
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1401 if self._node == revlog.nullid: |
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1402 self._data = manifestdict() |
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1403 else: |
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1404 rl = self._revlog() |
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1405 text = rl.revision(self._node) |
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1406 arraytext = bytearray(text) |
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1407 rl._fulltextcache[self._node] = arraytext |
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1408 self._data = manifestdict(text) |
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1409 return self._data |
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1410 |
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1411 def readfast(self, shallow=False): |
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1412 '''Calls either readdelta or read, based on which would be less work. |
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1413 readdelta is called if the delta is against the p1, and therefore can be |
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1414 read quickly. |
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1415 |
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1416 If `shallow` is True, nothing changes since this is a flat manifest. |
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1417 ''' |
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1418 rl = self._revlog() |
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1419 r = rl.rev(self._node) |
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1420 deltaparent = rl.deltaparent(r) |
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1421 if deltaparent != revlog.nullrev and deltaparent in rl.parentrevs(r): |
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1422 return self.readdelta() |
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1423 return self.read() |
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1424 |
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1425 def readdelta(self, shallow=False): |
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1426 '''Returns a manifest containing just the entries that are present |
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1427 in this manifest, but not in its p1 manifest. This is efficient to read |
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1428 if the revlog delta is already p1. |
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1429 |
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1430 Changing the value of `shallow` has no effect on flat manifests. |
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1431 ''' |
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1432 revlog = self._revlog() |
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1433 r = revlog.rev(self._node) |
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1434 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r)) |
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1435 return manifestdict(d) |
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1436 |
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1437 def find(self, key): |
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1438 return self.read().find(key) |
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1439 |
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1440 class memtreemanifestctx(object): |
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1441 def __init__(self, manifestlog, dir=''): |
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1442 self._manifestlog = manifestlog |
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1443 self._dir = dir |
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1444 self._treemanifest = treemanifest() |
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1445 |
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1446 def _revlog(self): |
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1447 return self._manifestlog._revlog |
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1448 |
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1449 def new(self, dir=''): |
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1450 return memtreemanifestctx(self._manifestlog, dir=dir) |
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1451 |
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1452 def copy(self): |
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1453 memmf = memtreemanifestctx(self._manifestlog, dir=self._dir) |
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1454 memmf._treemanifest = self._treemanifest.copy() |
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1455 return memmf |
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|
1456 |
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1457 def read(self): |
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1458 return self._treemanifest |
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1459 |
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1460 def write(self, transaction, link, p1, p2, added, removed): |
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1461 def readtree(dir, node): |
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1462 return self._manifestlog.get(dir, node).read() |
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1463 return self._revlog().add(self._treemanifest, transaction, link, p1, p2, |
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1464 added, removed, readtree=readtree) |
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1465 |
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1466 class treemanifestctx(object): |
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1467 def __init__(self, manifestlog, dir, node): |
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1468 self._manifestlog = manifestlog |
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1469 self._dir = dir |
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1470 self._data = None |
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1471 |
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1472 self._node = node |
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1473 |
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1474 # TODO: Load p1/p2/linkrev lazily. They need to be lazily loaded so that |
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1475 # we can instantiate treemanifestctx objects for directories we don't |
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1476 # have on disk. |
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1477 #self.p1, self.p2 = revlog.parents(node) |
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1478 #rev = revlog.rev(node) |
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1479 #self.linkrev = revlog.linkrev(rev) |
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1480 |
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1481 def _revlog(self): |
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1482 return self._manifestlog._revlog.dirlog(self._dir) |
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1483 |
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1484 def read(self): |
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1485 if self._data is None: |
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1486 rl = self._revlog() |
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1487 if self._node == revlog.nullid: |
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1488 self._data = treemanifest() |
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1489 elif rl._treeondisk: |
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1490 m = treemanifest(dir=self._dir) |
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1491 def gettext(): |
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1492 return rl.revision(self._node) |
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1493 def readsubtree(dir, subm): |
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1494 # Set verify to False since we need to be able to create |
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1495 # subtrees for trees that don't exist on disk. |
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1496 return self._manifestlog.get(dir, subm, verify=False).read() |
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1497 m.read(gettext, readsubtree) |
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1498 m.setnode(self._node) |
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1499 self._data = m |
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1500 else: |
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1501 text = rl.revision(self._node) |
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|
1502 arraytext = bytearray(text) |
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1503 rl.fulltextcache[self._node] = arraytext |
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1504 self._data = treemanifest(dir=self._dir, text=text) |
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1505 |
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1506 return self._data |
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1507 |
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1508 def node(self): |
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1509 return self._node |
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1510 |
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1511 def new(self, dir=''): |
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1512 return memtreemanifestctx(self._manifestlog, dir=dir) |
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1513 |
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1514 def copy(self): |
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1515 memmf = memtreemanifestctx(self._manifestlog, dir=self._dir) |
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1516 memmf._treemanifest = self.read().copy() |
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1517 return memmf |
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|
1518 |
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|
1519 @propertycache |
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1520 def parents(self): |
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1521 return self._revlog().parents(self._node) |
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1522 |
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1523 def readdelta(self, shallow=False): |
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1524 '''Returns a manifest containing just the entries that are present |
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1525 in this manifest, but not in its p1 manifest. This is efficient to read |
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1526 if the revlog delta is already p1. |
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1527 |
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1528 If `shallow` is True, this will read the delta for this directory, |
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|
1529 without recursively reading subdirectory manifests. Instead, any |
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1530 subdirectory entry will be reported as it appears in the manifest, i.e. |
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1531 the subdirectory will be reported among files and distinguished only by |
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|
1532 its 't' flag. |
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1533 ''' |
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|
1534 revlog = self._revlog() |
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|
1535 if shallow: |
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1536 r = revlog.rev(self._node) |
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1537 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r)) |
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1538 return manifestdict(d) |
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1539 else: |
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1540 # Need to perform a slow delta |
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1541 r0 = revlog.deltaparent(revlog.rev(self._node)) |
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1542 m0 = self._manifestlog.get(self._dir, revlog.node(r0)).read() |
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1543 m1 = self.read() |
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1544 md = treemanifest(dir=self._dir) |
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1545 for f, ((n0, fl0), (n1, fl1)) in m0.diff(m1).iteritems(): |
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1546 if n1: |
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1547 md[f] = n1 |
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1548 if fl1: |
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1549 md.setflag(f, fl1) |
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|
1550 return md |
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1551 |
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1552 def readfast(self, shallow=False): |
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1553 '''Calls either readdelta or read, based on which would be less work. |
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1554 readdelta is called if the delta is against the p1, and therefore can be |
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1555 read quickly. |
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|
1556 |
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1557 If `shallow` is True, it only returns the entries from this manifest, |
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1558 and not any submanifests. |
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1559 ''' |
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1560 rl = self._revlog() |
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1561 r = rl.rev(self._node) |
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1562 deltaparent = rl.deltaparent(r) |
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1563 if (deltaparent != revlog.nullrev and |
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1564 deltaparent in rl.parentrevs(r)): |
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1565 return self.readdelta(shallow=shallow) |
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1566 |
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|
1567 if shallow: |
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1568 return manifestdict(rl.revision(self._node)) |
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1569 else: |
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|
1570 return self.read() |
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|
1571 |
30340
608ba935e041
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|
1572 def find(self, key): |
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|
1573 return self.read().find(key) |