Mercurial > hg
annotate mercurial/manifest.py @ 39750:ec723284d07a
bookmarks: parse out implicit "add" action early
This prepares for adding -l/--list option, which can be combined with the
positional arguments.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sat, 15 Sep 2018 12:25:19 +0900 |
parents | 24870f1be088 |
children | 5ccd791344f3 |
rev | line source |
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1089 | 1 # manifest.py - manifest revision class for mercurial |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import heapq |
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11 import itertools |
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12 import struct |
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13 import weakref |
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14 |
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15 from .i18n import _ |
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16 from .node import ( |
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17 bin, |
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18 hex, |
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19 nullid, |
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20 nullrev, |
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21 ) |
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22 from . import ( |
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23 error, |
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24 mdiff, |
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25 policy, |
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26 pycompat, |
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27 repository, |
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28 revlog, |
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29 util, |
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30 ) |
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31 from .utils import ( |
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32 interfaceutil, |
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33 ) |
79 | 34 |
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35 parsers = policy.importmod(r'parsers') |
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36 propertycache = util.propertycache |
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37 |
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38 def _parse(data): |
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39 # This method does a little bit of excessive-looking |
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40 # precondition checking. This is so that the behavior of this |
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41 # class exactly matches its C counterpart to try and help |
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42 # prevent surprise breakage for anyone that develops against |
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43 # the pure version. |
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44 if data and data[-1:] != '\n': |
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45 raise ValueError('Manifest did not end in a newline.') |
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46 prev = None |
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47 for l in data.splitlines(): |
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48 if prev is not None and prev > l: |
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49 raise ValueError('Manifest lines not in sorted order.') |
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50 prev = l |
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51 f, n = l.split('\0') |
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52 if len(n) > 40: |
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53 yield f, bin(n[:40]), n[40:] |
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54 else: |
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55 yield f, bin(n), '' |
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56 |
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57 def _text(it): |
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58 files = [] |
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59 lines = [] |
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60 for f, n, fl in it: |
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61 files.append(f) |
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62 # if this is changed to support newlines in filenames, |
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63 # be sure to check the templates/ dir again (especially *-raw.tmpl) |
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64 lines.append("%s\0%s%s\n" % (f, hex(n), fl)) |
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65 |
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66 _checkforbidden(files) |
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67 return ''.join(lines) |
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68 |
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69 class lazymanifestiter(object): |
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70 def __init__(self, lm): |
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71 self.pos = 0 |
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72 self.lm = lm |
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73 |
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74 def __iter__(self): |
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75 return self |
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76 |
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77 def next(self): |
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78 try: |
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79 data, pos = self.lm._get(self.pos) |
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80 except IndexError: |
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81 raise StopIteration |
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82 if pos == -1: |
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83 self.pos += 1 |
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84 return data[0] |
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85 self.pos += 1 |
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86 zeropos = data.find('\x00', pos) |
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87 return data[pos:zeropos] |
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88 |
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89 __next__ = next |
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90 |
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91 class lazymanifestiterentries(object): |
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92 def __init__(self, lm): |
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93 self.lm = lm |
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94 self.pos = 0 |
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95 |
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96 def __iter__(self): |
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97 return self |
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98 |
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99 def next(self): |
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100 try: |
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101 data, pos = self.lm._get(self.pos) |
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102 except IndexError: |
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103 raise StopIteration |
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104 if pos == -1: |
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105 self.pos += 1 |
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106 return data |
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107 zeropos = data.find('\x00', pos) |
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108 hashval = unhexlify(data, self.lm.extrainfo[self.pos], |
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109 zeropos + 1, 40) |
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110 flags = self.lm._getflags(data, self.pos, zeropos) |
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111 self.pos += 1 |
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112 return (data[pos:zeropos], hashval, flags) |
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113 |
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114 __next__ = next |
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115 |
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116 def unhexlify(data, extra, pos, length): |
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117 s = bin(data[pos:pos + length]) |
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118 if extra: |
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119 s += chr(extra & 0xff) |
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120 return s |
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121 |
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122 def _cmp(a, b): |
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123 return (a > b) - (a < b) |
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124 |
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125 class _lazymanifest(object): |
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126 def __init__(self, data, positions=None, extrainfo=None, extradata=None): |
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127 if positions is None: |
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128 self.positions = self.findlines(data) |
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129 self.extrainfo = [0] * len(self.positions) |
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130 self.data = data |
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131 self.extradata = [] |
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132 else: |
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133 self.positions = positions[:] |
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134 self.extrainfo = extrainfo[:] |
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135 self.extradata = extradata[:] |
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136 self.data = data |
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137 |
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138 def findlines(self, data): |
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139 if not data: |
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140 return [] |
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141 pos = data.find("\n") |
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142 if pos == -1 or data[-1:] != '\n': |
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143 raise ValueError("Manifest did not end in a newline.") |
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144 positions = [0] |
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145 prev = data[:data.find('\x00')] |
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146 while pos < len(data) - 1 and pos != -1: |
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147 positions.append(pos + 1) |
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148 nexts = data[pos + 1:data.find('\x00', pos + 1)] |
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149 if nexts < prev: |
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150 raise ValueError("Manifest lines not in sorted order.") |
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151 prev = nexts |
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152 pos = data.find("\n", pos + 1) |
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153 return positions |
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154 |
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155 def _get(self, index): |
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156 # get the position encoded in pos: |
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157 # positive number is an index in 'data' |
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158 # negative number is in extrapieces |
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159 pos = self.positions[index] |
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160 if pos >= 0: |
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161 return self.data, pos |
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162 return self.extradata[-pos - 1], -1 |
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163 |
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164 def _getkey(self, pos): |
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165 if pos >= 0: |
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166 return self.data[pos:self.data.find('\x00', pos + 1)] |
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167 return self.extradata[-pos - 1][0] |
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168 |
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169 def bsearch(self, key): |
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170 first = 0 |
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171 last = len(self.positions) - 1 |
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172 |
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173 while first <= last: |
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174 midpoint = (first + last)//2 |
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175 nextpos = self.positions[midpoint] |
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176 candidate = self._getkey(nextpos) |
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177 r = _cmp(key, candidate) |
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178 if r == 0: |
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179 return midpoint |
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180 else: |
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181 if r < 0: |
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182 last = midpoint - 1 |
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183 else: |
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184 first = midpoint + 1 |
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185 return -1 |
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186 |
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187 def bsearch2(self, key): |
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188 # same as the above, but will always return the position |
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189 # done for performance reasons |
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190 first = 0 |
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191 last = len(self.positions) - 1 |
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192 |
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193 while first <= last: |
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194 midpoint = (first + last)//2 |
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195 nextpos = self.positions[midpoint] |
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196 candidate = self._getkey(nextpos) |
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197 r = _cmp(key, candidate) |
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198 if r == 0: |
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199 return (midpoint, True) |
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200 else: |
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201 if r < 0: |
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202 last = midpoint - 1 |
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203 else: |
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204 first = midpoint + 1 |
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205 return (first, False) |
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206 |
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207 def __contains__(self, key): |
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208 return self.bsearch(key) != -1 |
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209 |
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210 def _getflags(self, data, needle, pos): |
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211 start = pos + 41 |
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212 end = data.find("\n", start) |
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213 if end == -1: |
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214 end = len(data) - 1 |
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215 if start == end: |
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216 return '' |
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217 return self.data[start:end] |
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218 |
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219 def __getitem__(self, key): |
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220 if not isinstance(key, bytes): |
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221 raise TypeError("getitem: manifest keys must be a bytes.") |
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222 needle = self.bsearch(key) |
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223 if needle == -1: |
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224 raise KeyError |
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225 data, pos = self._get(needle) |
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226 if pos == -1: |
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227 return (data[1], data[2]) |
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228 zeropos = data.find('\x00', pos) |
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229 assert 0 <= needle <= len(self.positions) |
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230 assert len(self.extrainfo) == len(self.positions) |
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231 hashval = unhexlify(data, self.extrainfo[needle], zeropos + 1, 40) |
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232 flags = self._getflags(data, needle, zeropos) |
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233 return (hashval, flags) |
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234 |
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235 def __delitem__(self, key): |
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236 needle, found = self.bsearch2(key) |
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237 if not found: |
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238 raise KeyError |
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239 cur = self.positions[needle] |
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240 self.positions = self.positions[:needle] + self.positions[needle + 1:] |
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241 self.extrainfo = self.extrainfo[:needle] + self.extrainfo[needle + 1:] |
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242 if cur >= 0: |
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243 self.data = self.data[:cur] + '\x00' + self.data[cur + 1:] |
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244 |
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245 def __setitem__(self, key, value): |
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246 if not isinstance(key, bytes): |
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247 raise TypeError("setitem: manifest keys must be a byte string.") |
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248 if not isinstance(value, tuple) or len(value) != 2: |
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249 raise TypeError("Manifest values must be a tuple of (node, flags).") |
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250 hashval = value[0] |
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251 if not isinstance(hashval, bytes) or not 20 <= len(hashval) <= 22: |
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252 raise TypeError("node must be a 20-byte byte string") |
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253 flags = value[1] |
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254 if len(hashval) == 22: |
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255 hashval = hashval[:-1] |
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256 if not isinstance(flags, bytes) or len(flags) > 1: |
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257 raise TypeError("flags must a 0 or 1 byte string, got %r", flags) |
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258 needle, found = self.bsearch2(key) |
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259 if found: |
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260 # put the item |
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261 pos = self.positions[needle] |
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262 if pos < 0: |
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263 self.extradata[-pos - 1] = (key, hashval, value[1]) |
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264 else: |
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265 # just don't bother |
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266 self.extradata.append((key, hashval, value[1])) |
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267 self.positions[needle] = -len(self.extradata) |
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268 else: |
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269 # not found, put it in with extra positions |
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270 self.extradata.append((key, hashval, value[1])) |
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271 self.positions = (self.positions[:needle] + [-len(self.extradata)] |
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272 + self.positions[needle:]) |
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273 self.extrainfo = (self.extrainfo[:needle] + [0] + |
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274 self.extrainfo[needle:]) |
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275 |
2831 | 276 def copy(self): |
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277 # XXX call _compact like in C? |
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278 return _lazymanifest(self.data, self.positions, self.extrainfo, |
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279 self.extradata) |
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280 |
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281 def _compact(self): |
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282 # hopefully not called TOO often |
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283 if len(self.extradata) == 0: |
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284 return |
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285 l = [] |
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286 last_cut = 0 |
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287 i = 0 |
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288 offset = 0 |
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289 self.extrainfo = [0] * len(self.positions) |
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290 while i < len(self.positions): |
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291 if self.positions[i] >= 0: |
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292 cur = self.positions[i] |
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293 last_cut = cur |
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294 while True: |
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295 self.positions[i] = offset |
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296 i += 1 |
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297 if i == len(self.positions) or self.positions[i] < 0: |
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298 break |
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299 offset += self.positions[i] - cur |
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300 cur = self.positions[i] |
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301 end_cut = self.data.find('\n', cur) |
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302 if end_cut != -1: |
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303 end_cut += 1 |
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304 offset += end_cut - cur |
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305 l.append(self.data[last_cut:end_cut]) |
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306 else: |
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307 while i < len(self.positions) and self.positions[i] < 0: |
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308 cur = self.positions[i] |
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309 t = self.extradata[-cur - 1] |
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310 l.append(self._pack(t)) |
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311 self.positions[i] = offset |
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312 if len(t[1]) > 20: |
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313 self.extrainfo[i] = ord(t[1][21]) |
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314 offset += len(l[-1]) |
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315 i += 1 |
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316 self.data = ''.join(l) |
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317 self.extradata = [] |
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318 |
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319 def _pack(self, d): |
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320 return d[0] + '\x00' + hex(d[1][:20]) + d[2] + '\n' |
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321 |
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322 def text(self): |
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323 self._compact() |
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324 return self.data |
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325 |
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326 def diff(self, m2, clean=False): |
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327 '''Finds changes between the current manifest and m2.''' |
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328 # XXX think whether efficiency matters here |
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329 diff = {} |
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330 |
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331 for fn, e1, flags in self.iterentries(): |
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332 if fn not in m2: |
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333 diff[fn] = (e1, flags), (None, '') |
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334 else: |
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335 e2 = m2[fn] |
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336 if (e1, flags) != e2: |
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337 diff[fn] = (e1, flags), e2 |
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338 elif clean: |
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339 diff[fn] = None |
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340 |
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341 for fn, e2, flags in m2.iterentries(): |
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342 if fn not in self: |
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343 diff[fn] = (None, ''), (e2, flags) |
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344 |
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345 return diff |
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346 |
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347 def iterentries(self): |
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348 return lazymanifestiterentries(self) |
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349 |
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350 def iterkeys(self): |
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351 return lazymanifestiter(self) |
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352 |
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353 def __iter__(self): |
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354 return lazymanifestiter(self) |
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355 |
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356 def __len__(self): |
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357 return len(self.positions) |
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358 |
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359 def filtercopy(self, filterfn): |
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360 # XXX should be optimized |
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361 c = _lazymanifest('') |
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362 for f, n, fl in self.iterentries(): |
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363 if filterfn(f): |
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364 c[f] = n, fl |
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365 return c |
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366 |
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367 try: |
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368 _lazymanifest = parsers.lazymanifest |
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369 except AttributeError: |
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370 pass |
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371 |
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372 @interfaceutil.implementer(repository.imanifestdict) |
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373 class manifestdict(object): |
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374 def __init__(self, data=''): |
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375 self._lm = _lazymanifest(data) |
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376 |
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377 def __getitem__(self, key): |
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378 return self._lm[key][0] |
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379 |
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380 def find(self, key): |
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381 return self._lm[key] |
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382 |
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383 def __len__(self): |
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384 return len(self._lm) |
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385 |
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386 def __nonzero__(self): |
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387 # nonzero is covered by the __len__ function, but implementing it here |
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388 # makes it easier for extensions to override. |
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389 return len(self._lm) != 0 |
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390 |
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391 __bool__ = __nonzero__ |
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392 |
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393 def __setitem__(self, key, node): |
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394 self._lm[key] = node, self.flags(key, '') |
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395 |
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396 def __contains__(self, key): |
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397 if key is None: |
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398 return False |
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399 return key in self._lm |
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400 |
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401 def __delitem__(self, key): |
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402 del self._lm[key] |
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403 |
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404 def __iter__(self): |
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405 return self._lm.__iter__() |
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406 |
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407 def iterkeys(self): |
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408 return self._lm.iterkeys() |
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409 |
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410 def keys(self): |
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411 return list(self.iterkeys()) |
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412 |
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413 def filesnotin(self, m2, match=None): |
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414 '''Set of files in this manifest that are not in the other''' |
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415 if match: |
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416 m1 = self.matches(match) |
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417 m2 = m2.matches(match) |
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418 return m1.filesnotin(m2) |
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419 diff = self.diff(m2) |
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420 files = set(filepath |
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421 for filepath, hashflags in diff.iteritems() |
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422 if hashflags[1][0] is None) |
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423 return files |
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424 |
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425 @propertycache |
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426 def _dirs(self): |
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427 return util.dirs(self) |
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428 |
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429 def dirs(self): |
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430 return self._dirs |
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431 |
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432 def hasdir(self, dir): |
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433 return dir in self._dirs |
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434 |
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435 def _filesfastpath(self, match): |
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436 '''Checks whether we can correctly and quickly iterate over matcher |
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437 files instead of over manifest files.''' |
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438 files = match.files() |
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439 return (len(files) < 100 and (match.isexact() or |
25276
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|
440 (match.prefix() and all(fn in self for fn in files)))) |
24685
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|
441 |
24646
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manifest: move changectx.walk() to manifests
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changeset
|
442 def walk(self, match): |
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|
443 '''Generates matching file names. |
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diff
changeset
|
444 |
5693c834bcb4
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changeset
|
445 Equivalent to manifest.matches(match).iterkeys(), but without creating |
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|
446 an entirely new manifest. |
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|
447 |
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448 It also reports nonexistent files by marking them bad with match.bad(). |
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|
449 ''' |
24683
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450 if match.always(): |
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451 for f in iter(self): |
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452 yield f |
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453 return |
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|
454 |
24646
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|
455 fset = set(match.files()) |
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|
456 |
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457 # avoid the entire walk if we're only looking for specific files |
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458 if self._filesfastpath(match): |
24667
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|
459 for fn in sorted(fset): |
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|
460 yield fn |
24682
aef3d1469773
manifest.walk: use return instead of StopIteration in generator
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|
461 return |
24646
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|
462 |
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|
463 for fn in self: |
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|
464 if fn in fset: |
5693c834bcb4
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465 # specified pattern is the exact name |
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466 fset.remove(fn) |
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467 if match(fn): |
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changeset
|
468 yield fn |
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|
469 |
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parents:
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|
470 # for dirstate.walk, files=['.'] means "walk the whole tree". |
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471 # follow that here, too |
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472 fset.discard('.') |
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|
473 |
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|
474 for fn in sorted(fset): |
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475 if not self.hasdir(fn): |
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|
476 match.bad(fn, None) |
5693c834bcb4
manifest: move changectx.walk() to manifests
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changeset
|
477 |
23305
0cc283f44655
manifest: add matches() method
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|
478 def matches(self, match): |
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479 '''generate a new manifest filtered by the match argument''' |
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480 if match.always(): |
0cc283f44655
manifest: add matches() method
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481 return self.copy() |
0cc283f44655
manifest: add matches() method
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|
482 |
24685
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|
483 if self._filesfastpath(match): |
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|
484 m = manifestdict() |
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|
485 lm = self._lm |
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|
486 for fn in match.files(): |
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|
487 if fn in lm: |
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|
488 m._lm[fn] = lm[fn] |
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489 return m |
23305
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|
490 |
24700
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diff
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|
491 m = manifestdict() |
24664
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
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|
492 m._lm = self._lm.filtercopy(match) |
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
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|
493 return m |
23305
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manifest: add matches() method
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diff
changeset
|
494 |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
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31153
diff
changeset
|
495 def diff(self, m2, match=None, clean=False): |
23756
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|
496 '''Finds changes between the current manifest and m2. |
829f640b5540
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diff
changeset
|
497 |
829f640b5540
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diff
changeset
|
498 Args: |
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|
499 m2: the manifest to which this manifest should be compared. |
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|
500 clean: if true, include files unchanged between these manifests |
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|
501 with a None value in the returned dictionary. |
829f640b5540
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23602
diff
changeset
|
502 |
829f640b5540
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diff
changeset
|
503 The result is returned as a dict with filename as key and |
829f640b5540
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diff
changeset
|
504 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
829f640b5540
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diff
changeset
|
505 nodeid in the current/other manifest and fl1/fl2 is the flag |
829f640b5540
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diff
changeset
|
506 in the current/other manifest. Where the file does not exist, |
829f640b5540
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changeset
|
507 the nodeid will be None and the flags will be the empty |
829f640b5540
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parents:
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diff
changeset
|
508 string. |
829f640b5540
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diff
changeset
|
509 ''' |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
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31153
diff
changeset
|
510 if match: |
959ebff3505a
manifest: add match argument to diff and filesnotin
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diff
changeset
|
511 m1 = self.matches(match) |
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diff
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|
512 m2 = m2.matches(match) |
959ebff3505a
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diff
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|
513 return m1.diff(m2, clean=clean) |
24225
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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|
514 return self._lm.diff(m2._lm, clean) |
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diff
changeset
|
515 |
3e5c4af69808
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diff
changeset
|
516 def setflag(self, key, flag): |
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diff
changeset
|
517 self._lm[key] = self[key], flag |
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diff
changeset
|
518 |
3e5c4af69808
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diff
changeset
|
519 def get(self, key, default=None): |
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diff
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|
520 try: |
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diff
changeset
|
521 return self._lm[key][0] |
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|
522 except KeyError: |
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changeset
|
523 return default |
22965
b697fa74b475
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diff
changeset
|
524 |
24225
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|
525 def flags(self, key, default=''): |
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diff
changeset
|
526 try: |
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changeset
|
527 return self._lm[key][1] |
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diff
changeset
|
528 except KeyError: |
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changeset
|
529 return default |
22965
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changeset
|
530 |
24225
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diff
changeset
|
531 def copy(self): |
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diff
changeset
|
532 c = manifestdict() |
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changeset
|
533 c._lm = self._lm.copy() |
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changeset
|
534 return c |
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diff
changeset
|
535 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
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diff
changeset
|
536 def items(self): |
24298
49cd847fd69a
lazymanifest: make __iter__ generate filenames, not 3-tuples
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24297
diff
changeset
|
537 return (x[:2] for x in self._lm.iterentries()) |
2831 | 538 |
38657
28c9d67d88ab
manifest: just duplicate the definition of items as iteritems
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diff
changeset
|
539 def iteritems(self): |
28c9d67d88ab
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38556
diff
changeset
|
540 return (x[:2] for x in self._lm.iterentries()) |
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cleanup: rename all iteritems methods to items and add iteritems alias
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diff
changeset
|
541 |
28203
7297e9e13a8a
verify: check directory manifests
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27502
diff
changeset
|
542 def iterentries(self): |
7297e9e13a8a
verify: check directory manifests
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27502
diff
changeset
|
543 return self._lm.iterentries() |
7297e9e13a8a
verify: check directory manifests
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parents:
27502
diff
changeset
|
544 |
36373
0147a4730420
cleanup: say goodbye to manifestv2 format
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parents:
36301
diff
changeset
|
545 def text(self): |
0147a4730420
cleanup: say goodbye to manifestv2 format
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36301
diff
changeset
|
546 # most likely uses native version |
0147a4730420
cleanup: say goodbye to manifestv2 format
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36301
diff
changeset
|
547 return self._lm.text() |
22408
dc97e04c12ad
manifest: move checkforbidden to module-level
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parents:
21879
diff
changeset
|
548 |
22931
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
549 def fastdelta(self, base, changes): |
31787
6bfea18df609
manifest: update comment to be about bytearray
Martin von Zweigbergk <martinvonz@google.com>
parents:
31650
diff
changeset
|
550 """Given a base manifest text as a bytearray and a list of changes |
22931
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
551 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
|
552 """ |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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22930
diff
changeset
|
553 delta = [] |
48c0b101a9de
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parents:
22930
diff
changeset
|
554 dstart = None |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
555 dend = None |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
556 dline = [""] |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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22930
diff
changeset
|
557 start = 0 |
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diff
changeset
|
558 # zero copy representation of base as a buffer |
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559 addbuf = util.buffer(base) |
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560 |
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561 changes = list(changes) |
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562 if len(changes) < 1000: |
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563 # start with a readonly loop that finds the offset of |
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564 # each line and creates the deltas |
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565 for f, todelete in changes: |
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566 # bs will either be the index of the item or the insert point |
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567 start, end = _msearch(addbuf, f, start) |
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568 if not todelete: |
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569 h, fl = self._lm[f] |
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570 l = "%s\0%s%s\n" % (f, hex(h), fl) |
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571 else: |
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572 if start == end: |
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573 # item we want to delete was not found, error out |
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574 raise AssertionError( |
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575 _("failed to remove %s from manifest") % f) |
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576 l = "" |
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577 if dstart is not None and dstart <= start and dend >= start: |
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578 if dend < end: |
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579 dend = end |
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580 if l: |
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581 dline.append(l) |
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582 else: |
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583 if dstart is not None: |
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584 delta.append([dstart, dend, "".join(dline)]) |
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585 dstart = start |
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586 dend = end |
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587 dline = [l] |
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588 |
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589 if dstart is not None: |
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590 delta.append([dstart, dend, "".join(dline)]) |
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591 # apply the delta to the base, and get a delta for addrevision |
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592 deltatext, arraytext = _addlistdelta(base, delta) |
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593 else: |
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594 # For large changes, it's much cheaper to just build the text and |
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595 # diff it. |
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596 arraytext = bytearray(self.text()) |
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597 deltatext = mdiff.textdiff( |
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598 util.buffer(base), util.buffer(arraytext)) |
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599 |
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600 return arraytext, deltatext |
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601 |
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602 def _msearch(m, s, lo=0, hi=None): |
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603 '''return a tuple (start, end) that says where to find s within m. |
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604 |
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605 If the string is found m[start:end] are the line containing |
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606 that string. If start == end the string was not found and |
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607 they indicate the proper sorted insertion point. |
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608 |
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609 m should be a buffer, a memoryview or a byte string. |
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610 s is a byte string''' |
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611 def advance(i, c): |
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612 while i < lenm and m[i:i + 1] != c: |
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613 i += 1 |
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614 return i |
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615 if not s: |
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616 return (lo, lo) |
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617 lenm = len(m) |
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618 if not hi: |
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619 hi = lenm |
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620 while lo < hi: |
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621 mid = (lo + hi) // 2 |
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622 start = mid |
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623 while start > 0 and m[start - 1:start] != '\n': |
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624 start -= 1 |
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625 end = advance(start, '\0') |
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626 if bytes(m[start:end]) < s: |
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627 # we know that after the null there are 40 bytes of sha1 |
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628 # this translates to the bisect lo = mid + 1 |
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629 lo = advance(end + 40, '\n') + 1 |
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630 else: |
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631 # this translates to the bisect hi = mid |
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632 hi = start |
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633 end = advance(lo, '\0') |
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634 found = m[lo:end] |
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635 if s == found: |
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636 # we know that after the null there are 40 bytes of sha1 |
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637 end = advance(end + 40, '\n') |
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638 return (lo, end + 1) |
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639 else: |
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640 return (lo, lo) |
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641 |
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642 def _checkforbidden(l): |
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643 """Check filenames for illegal characters.""" |
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644 for f in l: |
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645 if '\n' in f or '\r' in f: |
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646 raise error.RevlogError( |
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647 _("'\\n' and '\\r' disallowed in filenames: %r") |
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648 % pycompat.bytestr(f)) |
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649 |
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650 |
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651 # apply the changes collected during the bisect loop to our addlist |
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652 # return a delta suitable for addrevision |
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653 def _addlistdelta(addlist, x): |
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654 # for large addlist arrays, building a new array is cheaper |
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655 # than repeatedly modifying the existing one |
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656 currentposition = 0 |
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657 newaddlist = bytearray() |
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658 |
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659 for start, end, content in x: |
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660 newaddlist += addlist[currentposition:start] |
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661 if content: |
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662 newaddlist += bytearray(content) |
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663 |
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664 currentposition = end |
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665 |
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666 newaddlist += addlist[currentposition:] |
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667 |
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668 deltatext = "".join(struct.pack(">lll", start, end, len(content)) |
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669 + content for start, end, content in x) |
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670 return deltatext, newaddlist |
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671 |
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672 def _splittopdir(f): |
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673 if '/' in f: |
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674 dir, subpath = f.split('/', 1) |
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675 return dir + '/', subpath |
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676 else: |
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677 return '', f |
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678 |
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679 _noop = lambda s: None |
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680 |
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681 class treemanifest(object): |
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682 def __init__(self, dir='', text=''): |
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683 self._dir = dir |
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684 self._node = nullid |
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685 self._loadfunc = _noop |
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686 self._copyfunc = _noop |
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687 self._dirty = False |
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688 self._dirs = {} |
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689 self._lazydirs = {} |
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690 # Using _lazymanifest here is a little slower than plain old dicts |
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691 self._files = {} |
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692 self._flags = {} |
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693 if text: |
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694 def readsubtree(subdir, subm): |
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695 raise AssertionError('treemanifest constructor only accepts ' |
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696 'flat manifests') |
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697 self.parse(text, readsubtree) |
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698 self._dirty = True # Mark flat manifest dirty after parsing |
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699 |
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700 def _subpath(self, path): |
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701 return self._dir + path |
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702 |
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703 def _loadalllazy(self): |
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704 for k, (path, node, readsubtree) in self._lazydirs.iteritems(): |
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705 self._dirs[k] = readsubtree(path, node) |
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706 self._lazydirs = {} |
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|
707 |
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|
708 def _loadlazy(self, d): |
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709 path, node, readsubtree = self._lazydirs[d] |
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710 self._dirs[d] = readsubtree(path, node) |
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711 del self._lazydirs[d] |
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712 |
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|
713 def _loadchildrensetlazy(self, visit): |
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714 if not visit: |
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715 return None |
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716 if visit == 'all' or visit == 'this': |
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|
717 self._loadalllazy() |
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|
718 return None |
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|
719 |
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|
720 todel = [] |
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|
721 for k in visit: |
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722 kslash = k + '/' |
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|
723 ld = self._lazydirs.get(kslash) |
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|
724 if ld: |
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|
725 path, node, readsubtree = ld |
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|
726 self._dirs[kslash] = readsubtree(path, node) |
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|
727 todel.append(kslash) |
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|
728 for kslash in todel: |
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|
729 del self._lazydirs[kslash] |
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|
730 return visit |
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|
731 |
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|
732 def __len__(self): |
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|
733 self._load() |
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|
734 size = len(self._files) |
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|
735 self._loadalllazy() |
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|
736 for m in self._dirs.values(): |
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|
737 size += m.__len__() |
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|
738 return size |
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|
739 |
36174
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|
740 def __nonzero__(self): |
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|
741 # Faster than "__len() != 0" since it avoids loading sub-manifests |
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|
742 return not self._isempty() |
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|
743 |
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diff
changeset
|
744 __bool__ = __nonzero__ |
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changeset
|
745 |
24551
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diff
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|
746 def _isempty(self): |
25222
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|
747 self._load() # for consistency; already loaded by all callers |
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|
748 # See if we can skip loading everything. |
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|
749 if self._files or (self._dirs and |
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|
750 any(not m._isempty() for m in self._dirs.values())): |
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|
751 return False |
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|
752 self._loadalllazy() |
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|
753 return (not self._dirs or |
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changeset
|
754 all(m._isempty() for m in self._dirs.values())) |
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diff
changeset
|
755 |
26400
6f9d9e2a661f
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diff
changeset
|
756 def __repr__(self): |
6f9d9e2a661f
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|
757 return ('<treemanifest dir=%s, node=%s, loaded=%s, dirty=%s at 0x%x>' % |
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|
758 (self._dir, hex(self._node), |
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|
759 bool(self._loadfunc is _noop), |
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|
760 self._dirty, id(self))) |
25091
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|
761 |
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changeset
|
762 def dir(self): |
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|
763 '''The directory that this tree manifest represents, including a |
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changeset
|
764 trailing '/'. Empty string for the repo root directory.''' |
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|
765 return self._dir |
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|
766 |
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|
767 def node(self): |
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changeset
|
768 '''This node of this instance. nullid for unsaved instances. Should |
b5052fc73300
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changeset
|
769 be updated when the instance is read or written from a revlog. |
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|
770 ''' |
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|
771 assert not self._dirty |
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|
772 return self._node |
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|
773 |
b5052fc73300
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changeset
|
774 def setnode(self, node): |
b5052fc73300
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|
775 self._node = node |
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|
776 self._dirty = False |
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|
777 |
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|
778 def iterentries(self): |
8ab91d9290ce
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|
779 self._load() |
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changeset
|
780 self._loadalllazy() |
32536
aa333c1982ab
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parents:
32535
diff
changeset
|
781 for p, n in sorted(itertools.chain(self._dirs.items(), |
aa333c1982ab
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|
782 self._files.items())): |
28206
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diff
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|
783 if p in self._files: |
8ab91d9290ce
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changeset
|
784 yield self._subpath(p), n, self._flags.get(p, '') |
8ab91d9290ce
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parents:
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diff
changeset
|
785 else: |
8ab91d9290ce
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parents:
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diff
changeset
|
786 for x in n.iterentries(): |
8ab91d9290ce
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Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
787 yield x |
8ab91d9290ce
treemanifest: implement iterentries()
Martin von Zweigbergk <martinvonz@google.com>
parents:
28203
diff
changeset
|
788 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
789 def items(self): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
790 self._load() |
39515
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treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
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diff
changeset
|
791 self._loadalllazy() |
32536
aa333c1982ab
manifest: use itertools.chain() instead of + for Python 3 compat
Augie Fackler <raf@durin42.com>
parents:
32535
diff
changeset
|
792 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>
parents:
32535
diff
changeset
|
793 self._files.items())): |
24401
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diff
changeset
|
794 if p in self._files: |
24403
0e23faa1511c
treemanifest: store directory path in treemanifest nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
24402
diff
changeset
|
795 yield self._subpath(p), n |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
796 else: |
24403
0e23faa1511c
treemanifest: store directory path in treemanifest nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
24402
diff
changeset
|
797 for f, sn in n.iteritems(): |
0e23faa1511c
treemanifest: store directory path in treemanifest nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
24402
diff
changeset
|
798 yield f, sn |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
799 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
800 iteritems = items |
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
801 |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
802 def iterkeys(self): |
25222
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treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
803 self._load() |
39515
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treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
804 self._loadalllazy() |
32536
aa333c1982ab
manifest: use itertools.chain() instead of + for Python 3 compat
Augie Fackler <raf@durin42.com>
parents:
32535
diff
changeset
|
805 for p in sorted(itertools.chain(self._dirs, self._files)): |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
806 if p in self._files: |
24403
0e23faa1511c
treemanifest: store directory path in treemanifest nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
24402
diff
changeset
|
807 yield self._subpath(p) |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
808 else: |
35586
fbf1a5d680ea
py3: don't use dict.iterkeys()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34345
diff
changeset
|
809 for f in self._dirs[p]: |
24403
0e23faa1511c
treemanifest: store directory path in treemanifest nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
24402
diff
changeset
|
810 yield f |
24401
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
811 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
812 def keys(self): |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
813 return list(self.iterkeys()) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
814 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
815 def __iter__(self): |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
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diff
changeset
|
816 return self.iterkeys() |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
817 |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
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diff
changeset
|
818 def __contains__(self, f): |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
819 if f is None: |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
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diff
changeset
|
820 return False |
25222
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treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
821 self._load() |
24401
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parents:
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diff
changeset
|
822 dir, subpath = _splittopdir(f) |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
823 if dir: |
39515
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
824 if dir in self._lazydirs: |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
825 self._loadlazy(dir) |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
826 |
24401
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parents:
24396
diff
changeset
|
827 if dir not in self._dirs: |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
828 return False |
39515
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
829 |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
830 return self._dirs[dir].__contains__(subpath) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
831 else: |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
832 return f in self._files |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
833 |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
834 def get(self, f, default=None): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
835 self._load() |
24401
e6e023d57e94
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parents:
24396
diff
changeset
|
836 dir, subpath = _splittopdir(f) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
837 if dir: |
39515
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
838 if dir in self._lazydirs: |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
839 self._loadlazy(dir) |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
840 |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
841 if dir not in self._dirs: |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
842 return default |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
843 return self._dirs[dir].get(subpath, default) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
844 else: |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
845 return self._files.get(f, default) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
846 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
847 def __getitem__(self, f): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
848 self._load() |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
849 dir, subpath = _splittopdir(f) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
850 if dir: |
39515
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
851 if dir in self._lazydirs: |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
852 self._loadlazy(dir) |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
853 |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
854 return self._dirs[dir].__getitem__(subpath) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
855 else: |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
856 return self._files[f] |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
857 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
858 def flags(self, f): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
859 self._load() |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
860 dir, subpath = _splittopdir(f) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
861 if dir: |
39515
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
862 if dir in self._lazydirs: |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
863 self._loadlazy(dir) |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
864 |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
865 if dir not in self._dirs: |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
866 return '' |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
867 return self._dirs[dir].flags(subpath) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
868 else: |
39515
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
869 if f in self._lazydirs or f in self._dirs: |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
870 return '' |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
871 return self._flags.get(f, '') |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
872 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
873 def find(self, f): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
874 self._load() |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
875 dir, subpath = _splittopdir(f) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
876 if dir: |
39515
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
877 if dir in self._lazydirs: |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
878 self._loadlazy(dir) |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
879 |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
880 return self._dirs[dir].find(subpath) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
881 else: |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
882 return self._files[f], self._flags.get(f, '') |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
883 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
884 def __delitem__(self, f): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
885 self._load() |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
886 dir, subpath = _splittopdir(f) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
887 if dir: |
39515
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
888 if dir in self._lazydirs: |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
889 self._loadlazy(dir) |
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
890 |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
891 self._dirs[dir].__delitem__(subpath) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
892 # If the directory is now empty, remove it |
24551
4fdf5eac5b39
treemanifest: add treemanifest._isempty()
Drew Gottlieb <drgott@google.com>
parents:
24550
diff
changeset
|
893 if self._dirs[dir]._isempty(): |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
894 del self._dirs[dir] |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
895 else: |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
896 del self._files[f] |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
897 if f in self._flags: |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
898 del self._flags[f] |
25220
f0fbd88b21fb
treemanifest: speed up diff by keeping track of dirty nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
25188
diff
changeset
|
899 self._dirty = True |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
900 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
901 def __setitem__(self, f, n): |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
902 assert n is not None |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
903 self._load() |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
904 dir, subpath = _splittopdir(f) |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
905 if dir: |
39515
93486cc46125
treemanifest: introduce lazy loading of subdirs
spectral <spectral@google.com>
parents:
39322
diff
changeset
|
906 if dir in self._lazydirs: |
93486cc46125
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907 self._loadlazy(dir) |
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|
908 if dir not in self._dirs: |
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|
909 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
910 self._dirs[dir].__setitem__(subpath, n) |
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|
911 else: |
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diff
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|
912 self._files[f] = n[:21] # to match manifestdict's behavior |
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|
913 self._dirty = True |
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|
914 |
26402
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|
915 def _load(self): |
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|
916 if self._loadfunc is not _noop: |
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|
917 lf, self._loadfunc = self._loadfunc, _noop |
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|
918 lf(self) |
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|
919 elif self._copyfunc is not _noop: |
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|
920 cf, self._copyfunc = self._copyfunc, _noop |
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|
921 cf(self) |
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|
922 |
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|
923 def setflag(self, f, flags): |
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|
924 """Set the flags (symlink, executable) for path f.""" |
25222
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|
925 self._load() |
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926 dir, subpath = _splittopdir(f) |
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|
927 if dir: |
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|
928 if dir in self._lazydirs: |
93486cc46125
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|
929 self._loadlazy(dir) |
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|
930 if dir not in self._dirs: |
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|
931 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
932 self._dirs[dir].setflag(subpath, flags) |
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|
933 else: |
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|
934 self._flags[f] = flags |
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|
935 self._dirty = True |
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|
936 |
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|
937 def copy(self): |
24403
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|
938 copy = treemanifest(self._dir) |
25091
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treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
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|
939 copy._node = self._node |
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|
940 copy._dirty = self._dirty |
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|
941 if self._copyfunc is _noop: |
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|
942 def _copyfunc(s): |
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|
943 self._load() |
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944 # OPT: it'd be nice to not load everything here. Unfortunately |
93486cc46125
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|
945 # this makes a mess of the "dirty" state tracking if we don't. |
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|
946 self._loadalllazy() |
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|
947 sdirs = s._dirs |
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|
948 for d, v in self._dirs.iteritems(): |
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|
949 sdirs[d] = v.copy() |
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950 s._files = dict.copy(self._files) |
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951 s._flags = dict.copy(self._flags) |
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952 if self._loadfunc is _noop: |
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|
953 _copyfunc(copy) |
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|
954 else: |
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|
955 copy._copyfunc = _copyfunc |
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956 else: |
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|
957 copy._copyfunc = self._copyfunc |
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958 return copy |
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|
959 |
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|
960 def filesnotin(self, m2, match=None): |
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|
961 '''Set of files in this manifest that are not in the other''' |
39517
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changeset
|
962 if match and not match.always(): |
31255
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|
963 m1 = self.matches(match) |
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|
964 m2 = m2.matches(match) |
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|
965 return m1.filesnotin(m2) |
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|
966 |
24405
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|
967 files = set() |
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|
968 def _filesnotin(t1, t2): |
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969 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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|
970 return |
25222
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|
971 t1._load() |
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|
972 t2._load() |
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|
973 t1._loadalllazy() |
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changeset
|
974 t2._loadalllazy() |
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|
975 for d, m1 in t1._dirs.iteritems(): |
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|
976 if d in t2._dirs: |
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|
977 m2 = t2._dirs[d] |
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|
978 _filesnotin(m1, m2) |
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|
979 else: |
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|
980 files.update(m1.iterkeys()) |
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|
981 |
36300
413c179cf7d5
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Augie Fackler <augie@google.com>
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changeset
|
982 for fn in t1._files: |
24405
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changeset
|
983 if fn not in t2._files: |
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|
984 files.add(t1._subpath(fn)) |
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|
985 |
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|
986 _filesnotin(self, m2) |
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|
987 return files |
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|
988 |
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|
989 @propertycache |
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changeset
|
990 def _alldirs(self): |
24635
21e1ece30f8c
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24600
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changeset
|
991 return util.dirs(self) |
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|
992 |
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|
993 def dirs(self): |
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|
994 return self._alldirs |
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|
995 |
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|
996 def hasdir(self, dir): |
25222
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|
997 self._load() |
24406
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|
998 topdir, subdir = _splittopdir(dir) |
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|
999 if topdir: |
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|
1000 if topdir in self._lazydirs: |
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|
1001 self._loadlazy(topdir) |
24406
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|
1002 if topdir in self._dirs: |
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|
1003 return self._dirs[topdir].hasdir(subdir) |
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changeset
|
1004 return False |
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|
1005 dirslash = dir + '/' |
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|
1006 return dirslash in self._dirs or dirslash in self._lazydirs |
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changeset
|
1007 |
24646
5693c834bcb4
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24636
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changeset
|
1008 def walk(self, match): |
5693c834bcb4
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changeset
|
1009 '''Generates matching file names. |
5693c834bcb4
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diff
changeset
|
1010 |
5693c834bcb4
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changeset
|
1011 Equivalent to manifest.matches(match).iterkeys(), but without creating |
5693c834bcb4
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|
1012 an entirely new manifest. |
5693c834bcb4
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|
1013 |
5693c834bcb4
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|
1014 It also reports nonexistent files by marking them bad with match.bad(). |
5693c834bcb4
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changeset
|
1015 ''' |
24683
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24682
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changeset
|
1016 if match.always(): |
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changeset
|
1017 for f in iter(self): |
4eaea0ed8dc1
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24682
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|
1018 yield f |
4eaea0ed8dc1
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24682
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changeset
|
1019 return |
4eaea0ed8dc1
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24682
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changeset
|
1020 |
24646
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24636
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changeset
|
1021 fset = set(match.files()) |
5693c834bcb4
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24636
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changeset
|
1022 |
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1023 for fn in self._walk(match): |
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1024 if fn in fset: |
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1025 # specified pattern is the exact name |
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1026 fset.remove(fn) |
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|
1027 yield fn |
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|
1028 |
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1029 # for dirstate.walk, files=['.'] means "walk the whole tree". |
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|
1030 # follow that here, too |
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|
1031 fset.discard('.') |
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1032 |
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1033 for fn in sorted(fset): |
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1034 if not self.hasdir(fn): |
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|
1035 match.bad(fn, None) |
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1036 |
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|
1037 def _walk(self, match): |
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1038 '''Recursively generates matching file names for walk().''' |
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1039 visit = match.visitchildrenset(self._dir[:-1] or '.') |
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1040 if not visit: |
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|
1041 return |
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1042 |
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|
1043 # yield this dir's files and walk its submanifests |
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1044 self._load() |
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1045 visit = self._loadchildrensetlazy(visit) |
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1046 for p in sorted(list(self._dirs) + list(self._files)): |
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1047 if p in self._files: |
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1048 fullp = self._subpath(p) |
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1049 if match(fullp): |
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1050 yield fullp |
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1051 else: |
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1052 if not visit or p[:-1] in visit: |
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1053 for f in self._dirs[p]._walk(match): |
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1054 yield f |
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1055 |
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1056 def matches(self, match): |
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1057 '''generate a new manifest filtered by the match argument''' |
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1058 if match.always(): |
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1059 return self.copy() |
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1060 |
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1061 return self._matches(match) |
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1062 |
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1063 def _matches(self, match): |
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1064 '''recursively generate a new manifest filtered by the match argument. |
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1065 ''' |
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1066 |
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1067 visit = match.visitchildrenset(self._dir[:-1] or '.') |
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1068 if visit == 'all': |
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1069 return self.copy() |
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1070 ret = treemanifest(self._dir) |
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1071 if not visit: |
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1072 return ret |
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1073 |
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1074 self._load() |
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1075 for fn in self._files: |
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1076 # While visitchildrenset *usually* lists only subdirs, this is |
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1077 # actually up to the matcher and may have some files in the set(). |
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1078 # If visit == 'this', we should obviously look at the files in this |
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1079 # directory; if visit is a set, and fn is in it, we should inspect |
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1080 # fn (but no need to inspect things not in the set). |
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1081 if visit != 'this' and fn not in visit: |
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|
1082 continue |
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1083 fullp = self._subpath(fn) |
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1084 # visitchildrenset isn't perfect, we still need to call the regular |
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1085 # matcher code to further filter results. |
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1086 if not match(fullp): |
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1087 continue |
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1088 ret._files[fn] = self._files[fn] |
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1089 if fn in self._flags: |
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1090 ret._flags[fn] = self._flags[fn] |
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1091 |
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1092 visit = self._loadchildrensetlazy(visit) |
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|
1093 for dir, subm in self._dirs.iteritems(): |
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1094 if visit and dir[:-1] not in visit: |
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|
1095 continue |
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1096 m = subm._matches(match) |
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1097 if not m._isempty(): |
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1098 ret._dirs[dir] = m |
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1099 |
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1100 if not ret._isempty(): |
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1101 ret._dirty = True |
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1102 return ret |
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1103 |
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1104 def diff(self, m2, match=None, clean=False): |
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1105 '''Finds changes between the current manifest and m2. |
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1106 |
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1107 Args: |
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1108 m2: the manifest to which this manifest should be compared. |
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1109 clean: if true, include files unchanged between these manifests |
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1110 with a None value in the returned dictionary. |
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1111 |
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1112 The result is returned as a dict with filename as key and |
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1113 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
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1114 nodeid in the current/other manifest and fl1/fl2 is the flag |
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1115 in the current/other manifest. Where the file does not exist, |
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1116 the nodeid will be None and the flags will be the empty |
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1117 string. |
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1118 ''' |
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1119 if match and not match.always(): |
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1120 m1 = self.matches(match) |
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1121 m2 = m2.matches(match) |
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1122 return m1.diff(m2, clean=clean) |
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1123 result = {} |
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1124 emptytree = treemanifest() |
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1125 def _diff(t1, t2): |
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1126 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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1127 return |
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1128 t1._load() |
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1129 t2._load() |
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1130 # OPT: do we need to load everything? |
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1131 t1._loadalllazy() |
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1132 t2._loadalllazy() |
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1133 for d, m1 in t1._dirs.iteritems(): |
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1134 m2 = t2._dirs.get(d, emptytree) |
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1135 _diff(m1, m2) |
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1136 |
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1137 for d, m2 in t2._dirs.iteritems(): |
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1138 if d not in t1._dirs: |
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1139 _diff(emptytree, m2) |
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1140 |
24404
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1141 for fn, n1 in t1._files.iteritems(): |
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1142 fl1 = t1._flags.get(fn, '') |
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1143 n2 = t2._files.get(fn, None) |
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1144 fl2 = t2._flags.get(fn, '') |
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1145 if n1 != n2 or fl1 != fl2: |
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1146 result[t1._subpath(fn)] = ((n1, fl1), (n2, fl2)) |
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1147 elif clean: |
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1148 result[t1._subpath(fn)] = None |
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1149 |
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1150 for fn, n2 in t2._files.iteritems(): |
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1151 if fn not in t1._files: |
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1152 fl2 = t2._flags.get(fn, '') |
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1153 result[t2._subpath(fn)] = ((None, ''), (n2, fl2)) |
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1154 |
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1155 _diff(self, m2) |
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1156 return result |
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1157 |
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1158 def unmodifiedsince(self, m2): |
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1159 return not self._dirty and not m2._dirty and self._node == m2._node |
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1160 |
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1161 def parse(self, text, readsubtree): |
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1162 selflazy = self._lazydirs |
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1163 subpath = self._subpath |
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1164 for f, n, fl in _parse(text): |
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1165 if fl == 't': |
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1166 f = f + '/' |
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1167 selflazy[f] = (subpath(f), n, readsubtree) |
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1168 elif '/' in f: |
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1169 # This is a flat manifest, so use __setitem__ and setflag rather |
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1170 # than assigning directly to _files and _flags, so we can |
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1171 # assign a path in a subdirectory, and to mark dirty (compared |
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1172 # to nullid). |
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1173 self[f] = n |
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1174 if fl: |
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1175 self.setflag(f, fl) |
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1176 else: |
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1177 # Assigning to _files and _flags avoids marking as dirty, |
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1178 # and should be a little faster. |
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1179 self._files[f] = n |
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1180 if fl: |
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|
1181 self._flags[f] = fl |
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1182 |
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1183 def text(self): |
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1184 """Get the full data of this manifest as a bytestring.""" |
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1185 self._load() |
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1186 return _text(self.iterentries()) |
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1187 |
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1188 def dirtext(self): |
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1189 """Get the full data of this directory as a bytestring. Make sure that |
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1190 any submanifests have been written first, so their nodeids are correct. |
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1191 """ |
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1192 self._load() |
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1193 flags = self.flags |
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1194 lazydirs = [(d[:-1], node, 't') for |
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1195 d, (path, node, readsubtree) in self._lazydirs.iteritems()] |
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1196 dirs = [(d[:-1], self._dirs[d]._node, 't') for d in self._dirs] |
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1197 files = [(f, self._files[f], flags(f)) for f in self._files] |
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1198 return _text(sorted(dirs + files + lazydirs)) |
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|
1199 |
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1200 def read(self, gettext, readsubtree): |
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1201 def _load_for_read(s): |
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1202 s.parse(gettext(), readsubtree) |
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1203 s._dirty = False |
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1204 self._loadfunc = _load_for_read |
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1205 |
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1206 def writesubtrees(self, m1, m2, writesubtree, match): |
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1207 self._load() # for consistency; should never have any effect here |
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1208 m1._load() |
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1209 m2._load() |
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1210 emptytree = treemanifest() |
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1211 def getnode(m, d): |
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1212 ld = m._lazydirs.get(d) |
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1213 if ld: |
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1214 return ld[1] |
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1215 return m._dirs.get(d, emptytree)._node |
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1216 |
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1217 # we should have always loaded everything by the time we get here for |
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1218 # `self`, but possibly not in `m1` or `m2`. |
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|
1219 assert not self._lazydirs |
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1220 # let's skip investigating things that `match` says we do not need. |
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1221 visit = match.visitchildrenset(self._dir[:-1] or '.') |
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1222 if visit == 'this' or visit == 'all': |
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1223 visit = None |
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1224 for d, subm in self._dirs.iteritems(): |
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1225 if visit and d[:-1] not in visit: |
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1226 continue |
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1227 subp1 = getnode(m1, d) |
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|
1228 subp2 = getnode(m2, d) |
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|
1229 if subp1 == nullid: |
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1230 subp1, subp2 = subp2, subp1 |
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1231 writesubtree(subm, subp1, subp2, match) |
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1232 |
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1233 def walksubtrees(self, matcher=None): |
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1234 """Returns an iterator of the subtrees of this manifest, including this |
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1235 manifest itself. |
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1236 |
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1237 If `matcher` is provided, it only returns subtrees that match. |
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1238 """ |
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1239 if matcher and not matcher.visitdir(self._dir[:-1] or '.'): |
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|
1240 return |
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1241 if not matcher or matcher(self._dir[:-1]): |
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1242 yield self |
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1243 |
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1244 self._load() |
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|
1245 # OPT: use visitchildrenset to avoid loading everything. |
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|
1246 self._loadalllazy() |
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Durham Goode <durham@fb.com>
parents:
31787
diff
changeset
|
1247 for d, subm in self._dirs.iteritems(): |
94c1d3c1aea2
treemanifest: add walksubtrees api
Durham Goode <durham@fb.com>
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diff
changeset
|
1248 for subtree in subm.walksubtrees(matcher=matcher): |
94c1d3c1aea2
treemanifest: add walksubtrees api
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
1249 yield subtree |
94c1d3c1aea2
treemanifest: add walksubtrees api
Durham Goode <durham@fb.com>
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diff
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|
1250 |
38781
0a57945aaf7f
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diff
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|
1251 class manifestfulltextcache(util.lrucachedict): |
0a57945aaf7f
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diff
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|
1252 """File-backed LRU cache for the manifest cache |
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diff
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|
1253 |
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diff
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|
1254 File consists of entries, up to EOF: |
0a57945aaf7f
manifest: persist the manifestfulltext cache
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diff
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|
1255 |
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|
1256 - 20 bytes node, 4 bytes length, <length> manifest data |
0a57945aaf7f
manifest: persist the manifestfulltext cache
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diff
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|
1257 |
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diff
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|
1258 These are written in reverse cache order (oldest to newest). |
0a57945aaf7f
manifest: persist the manifestfulltext cache
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diff
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|
1259 |
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|
1260 """ |
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|
1261 def __init__(self, max): |
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|
1262 super(manifestfulltextcache, self).__init__(max) |
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diff
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|
1263 self._dirty = False |
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diff
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|
1264 self._read = False |
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|
1265 self._opener = None |
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|
1266 |
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|
1267 def read(self): |
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|
1268 if self._read or self._opener is None: |
0a57945aaf7f
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diff
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|
1269 return |
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|
1270 |
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diff
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|
1271 try: |
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|
1272 with self._opener('manifestfulltextcache') as fp: |
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diff
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|
1273 set = super(manifestfulltextcache, self).__setitem__ |
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|
1274 # ignore trailing data, this is a cache, corruption is skipped |
0a57945aaf7f
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diff
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|
1275 while True: |
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|
1276 node = fp.read(20) |
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|
1277 if len(node) < 20: |
0a57945aaf7f
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parents:
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diff
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|
1278 break |
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diff
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|
1279 try: |
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parents:
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|
1280 size = struct.unpack('>L', fp.read(4))[0] |
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|
1281 except struct.error: |
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diff
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|
1282 break |
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|
1283 value = bytearray(fp.read(size)) |
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|
1284 if len(value) != size: |
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diff
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|
1285 break |
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|
1286 set(node, value) |
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|
1287 except IOError: |
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parents:
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diff
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|
1288 # the file is allowed to be missing |
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diff
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|
1289 pass |
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diff
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|
1290 |
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|
1291 self._read = True |
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|
1292 self._dirty = False |
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|
1293 |
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|
1294 def write(self): |
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|
1295 if not self._dirty or self._opener is None: |
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diff
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|
1296 return |
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|
1297 # rotate backwards to the first used node |
0a57945aaf7f
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|
1298 with self._opener( |
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|
1299 'manifestfulltextcache', 'w', atomictemp=True, checkambig=True |
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diff
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|
1300 ) as fp: |
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|
1301 node = self._head.prev |
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diff
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|
1302 while True: |
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diff
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|
1303 if node.key in self._cache: |
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diff
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|
1304 fp.write(node.key) |
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diff
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|
1305 fp.write(struct.pack('>L', len(node.value))) |
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Martijn Pieters <mj@zopatista.com>
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diff
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|
1306 fp.write(node.value) |
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diff
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|
1307 if node is self._head: |
0a57945aaf7f
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diff
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|
1308 break |
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|
1309 node = node.prev |
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diff
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|
1310 |
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|
1311 def __len__(self): |
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diff
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|
1312 if not self._read: |
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diff
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|
1313 self.read() |
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|
1314 return super(manifestfulltextcache, self).__len__() |
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|
1315 |
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|
1316 def __contains__(self, k): |
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|
1317 if not self._read: |
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|
1318 self.read() |
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|
1319 return super(manifestfulltextcache, self).__contains__(k) |
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1320 |
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|
1321 def __iter__(self): |
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1322 if not self._read: |
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|
1323 self.read() |
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1324 return super(manifestfulltextcache, self).__iter__() |
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|
1325 |
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1326 def __getitem__(self, k): |
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|
1327 if not self._read: |
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|
1328 self.read() |
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changeset
|
1329 # the cache lru order can change on read |
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1330 setdirty = self._cache.get(k) is not self._head |
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1331 value = super(manifestfulltextcache, self).__getitem__(k) |
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1332 if setdirty: |
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1333 self._dirty = True |
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|
1334 return value |
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|
1335 |
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1336 def __setitem__(self, k, v): |
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1337 if not self._read: |
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|
1338 self.read() |
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1339 super(manifestfulltextcache, self).__setitem__(k, v) |
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1340 self._dirty = True |
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|
1341 |
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1342 def __delitem__(self, k): |
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|
1343 if not self._read: |
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|
1344 self.read() |
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|
1345 super(manifestfulltextcache, self).__delitem__(k) |
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1346 self._dirty = True |
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1347 |
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1348 def get(self, k, default=None): |
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1349 if not self._read: |
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|
1350 self.read() |
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1351 return super(manifestfulltextcache, self).get(k, default=default) |
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1352 |
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1353 def clear(self, clear_persisted_data=False): |
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1354 super(manifestfulltextcache, self).clear() |
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1355 if clear_persisted_data: |
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|
1356 self._dirty = True |
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|
1357 self.write() |
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|
1358 self._read = False |
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|
1359 |
39314
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
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diff
changeset
|
1360 @interfaceutil.implementer(repository.imanifeststorage) |
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diff
changeset
|
1361 class manifestrevlog(object): |
29824
58d4ecdc531e
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diff
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|
1362 '''A revlog that stores manifest texts. This is responsible for caching the |
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|
1363 full-text manifest contents. |
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diff
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|
1364 ''' |
39243
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manifest: rename dir argument and attribute to tree
Gregory Szorc <gregory.szorc@gmail.com>
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39242
diff
changeset
|
1365 def __init__(self, opener, tree='', dirlogcache=None, indexfile=None, |
32252
d67991c4fefe
treemanifest: allow manifestrevlog to take an explicit treemanifest arg
Durham Goode <durham@fb.com>
parents:
32195
diff
changeset
|
1366 treemanifest=False): |
31151
6d9f8bc2b5ea
manifest: allow specifying the revlog filename
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31097
diff
changeset
|
1367 """Constructs a new manifest revlog |
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|
1368 |
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1369 `indexfile` - used by extensions to have two manifests at once, like |
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1370 when transitioning between flatmanifeset and treemanifests. |
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1371 |
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1372 `treemanifest` - used to indicate this is a tree manifest revlog. Opener |
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1373 options can also be used to make this a tree manifest revlog. The opener |
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1374 option takes precedence, so if it is set to True, we ignore whatever |
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1375 value is passed in to the constructor. |
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1376 """ |
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1377 # During normal operations, we expect to deal with not more than four |
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1378 # revs at a time (such as during commit --amend). When rebasing large |
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1379 # stacks of commits, the number can go up, hence the config knob below. |
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1380 cachesize = 4 |
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1381 optiontreemanifest = False |
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1382 opts = getattr(opener, 'options', None) |
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1383 if opts is not None: |
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1384 cachesize = opts.get('manifestcachesize', cachesize) |
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1385 optiontreemanifest = opts.get('treemanifest', False) |
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1386 |
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1387 self._treeondisk = optiontreemanifest or treemanifest |
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1388 |
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1389 self._fulltextcache = manifestfulltextcache(cachesize) |
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1390 |
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1391 if tree: |
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1392 assert self._treeondisk, 'opts is %r' % opts |
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1393 |
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1394 if indexfile is None: |
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1395 indexfile = '00manifest.i' |
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1396 if tree: |
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1397 indexfile = "meta/" + tree + indexfile |
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1398 |
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1399 self.tree = tree |
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1400 |
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1401 # The dirlogcache is kept on the root manifest log |
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1402 if tree: |
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1403 self._dirlogcache = dirlogcache |
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1404 else: |
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1405 self._dirlogcache = {'': self} |
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1406 |
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1407 self._revlog = revlog.revlog(opener, indexfile, |
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1408 # only root indexfile is cached |
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1409 checkambig=not bool(tree), |
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1410 mmaplargeindex=True) |
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1411 |
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1412 self.index = self._revlog.index |
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1413 self.version = self._revlog.version |
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1414 self._generaldelta = self._revlog._generaldelta |
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1415 |
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1416 def _setupmanifestcachehooks(self, repo): |
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1417 """Persist the manifestfulltextcache on lock release""" |
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1418 if not util.safehasattr(repo, '_lockref'): |
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1419 return |
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1420 |
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1421 self._fulltextcache._opener = repo.cachevfs |
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1422 reporef = weakref.ref(repo) |
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1423 manifestrevlogref = weakref.ref(self) |
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1424 |
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1425 def persistmanifestcache(): |
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1426 repo = reporef() |
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1427 self = manifestrevlogref() |
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1428 if repo is None or self is None: |
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1429 return |
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|
1430 if repo.manifestlog.getstorage(b'') is not self: |
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1431 # there's a different manifest in play now, abort |
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1432 return |
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1433 self._fulltextcache.write() |
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1434 |
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1435 if repo._currentlock(repo._lockref) is not None: |
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|
1436 repo._afterlock(persistmanifestcache) |
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1437 |
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|
1438 @property |
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1439 def fulltextcache(self): |
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1440 return self._fulltextcache |
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1441 |
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|
1442 def clearcaches(self, clear_persisted_data=False): |
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1443 self._revlog.clearcaches() |
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1444 self._fulltextcache.clear(clear_persisted_data=clear_persisted_data) |
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1445 self._dirlogcache = {self.tree: self} |
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1446 |
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|
1447 def dirlog(self, d): |
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|
1448 if d: |
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|
1449 assert self._treeondisk |
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|
1450 if d not in self._dirlogcache: |
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|
1451 mfrevlog = manifestrevlog(self.opener, d, |
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1452 self._dirlogcache, |
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1453 treemanifest=self._treeondisk) |
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|
1454 self._dirlogcache[d] = mfrevlog |
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|
1455 return self._dirlogcache[d] |
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1456 |
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1457 def add(self, m, transaction, link, p1, p2, added, removed, readtree=None, |
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|
1458 match=None): |
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|
1459 if p1 in self.fulltextcache and util.safehasattr(m, 'fastdelta'): |
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|
1460 # If our first parent is in the manifest cache, we can |
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|
1461 # compute a delta here using properties we know about the |
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1462 # manifest up-front, which may save time later for the |
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1463 # revlog layer. |
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|
1464 |
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1465 _checkforbidden(added) |
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|
1466 # combine the changed lists into one sorted iterator |
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|
1467 work = heapq.merge([(x, False) for x in added], |
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|
1468 [(x, True) for x in removed]) |
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|
1469 |
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1470 arraytext, deltatext = m.fastdelta(self.fulltextcache[p1], work) |
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|
1471 cachedelta = self._revlog.rev(p1), deltatext |
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|
1472 text = util.buffer(arraytext) |
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|
1473 n = self._revlog.addrevision(text, transaction, link, p1, p2, |
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|
1474 cachedelta) |
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1475 else: |
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1476 # The first parent manifest isn't already loaded, so we'll |
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|
1477 # just encode a fulltext of the manifest and pass that |
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|
1478 # through to the revlog layer, and let it handle the delta |
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|
1479 # process. |
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|
1480 if self._treeondisk: |
30368
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diff
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|
1481 assert readtree, "readtree must be set for treemanifest writes" |
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|
1482 assert match, "match must be specified for treemanifest writes" |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39314
diff
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|
1483 m1 = readtree(self.tree, p1) |
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parents:
39314
diff
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|
1484 m2 = readtree(self.tree, p2) |
39668
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spectral <spectral@google.com>
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diff
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|
1485 n = self._addtree(m, transaction, link, m1, m2, readtree, |
24870f1be088
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parents:
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diff
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|
1486 match=match) |
29961
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Durham Goode <durham@fb.com>
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diff
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|
1487 arraytext = None |
774a15b129e8
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Durham Goode <durham@fb.com>
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diff
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|
1488 else: |
36373
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
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|
1489 text = m.text() |
39314
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Gregory Szorc <gregory.szorc@gmail.com>
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39246
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|
1490 n = self._revlog.addrevision(text, transaction, link, p1, p2) |
31346
2a18e9e6ca43
py3: use bytearray() instead of array('c', ...) constructions
Augie Fackler <augie@google.com>
parents:
31294
diff
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|
1491 arraytext = bytearray(text) |
29961
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manifest: move manifest.add onto manifestrevlog
Durham Goode <durham@fb.com>
parents:
29960
diff
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|
1492 |
30209
9d06b65c5df2
manifest: don't store None in fulltextcache
Martin von Zweigbergk <martinvonz@google.com>
parents:
30207
diff
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|
1493 if arraytext is not None: |
9d06b65c5df2
manifest: don't store None in fulltextcache
Martin von Zweigbergk <martinvonz@google.com>
parents:
30207
diff
changeset
|
1494 self.fulltextcache[n] = arraytext |
29961
774a15b129e8
manifest: move manifest.add onto manifestrevlog
Durham Goode <durham@fb.com>
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diff
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|
1495 |
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Durham Goode <durham@fb.com>
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diff
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|
1496 return n |
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Durham Goode <durham@fb.com>
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diff
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|
1497 |
39668
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spectral <spectral@google.com>
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|
1498 def _addtree(self, m, transaction, link, m1, m2, readtree, match): |
29961
774a15b129e8
manifest: move manifest.add onto manifestrevlog
Durham Goode <durham@fb.com>
parents:
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diff
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|
1499 # If the manifest is unchanged compared to one parent, |
774a15b129e8
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Durham Goode <durham@fb.com>
parents:
29960
diff
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|
1500 # don't write a new revision |
39315
57c3864f3aad
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39314
diff
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|
1501 if self.tree != '' and (m.unmodifiedsince(m1) or m.unmodifiedsince( |
39243
0d97530eb535
manifest: rename dir argument and attribute to tree
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39242
diff
changeset
|
1502 m2)): |
29961
774a15b129e8
manifest: move manifest.add onto manifestrevlog
Durham Goode <durham@fb.com>
parents:
29960
diff
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|
1503 return m.node() |
39668
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spectral <spectral@google.com>
parents:
39522
diff
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|
1504 def writesubtree(subm, subp1, subp2, match): |
29961
774a15b129e8
manifest: move manifest.add onto manifestrevlog
Durham Goode <durham@fb.com>
parents:
29960
diff
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|
1505 sublog = self.dirlog(subm.dir()) |
30368
ed45283a0ca7
manifest: remove dependency on manifestrevlog being able to create trees
Durham Goode <durham@fb.com>
parents:
30345
diff
changeset
|
1506 sublog.add(subm, transaction, link, subp1, subp2, None, None, |
39668
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spectral <spectral@google.com>
parents:
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diff
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|
1507 readtree=readtree, match=match) |
24870f1be088
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spectral <spectral@google.com>
parents:
39522
diff
changeset
|
1508 m.writesubtrees(m1, m2, writesubtree, match) |
36373
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cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
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|
1509 text = m.dirtext() |
31294
c134a33b1d73
treemanifest: make node reuse match flat manifest behavior
Durham Goode <durham@fb.com>
parents:
31255
diff
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|
1510 n = None |
39315
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39314
diff
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|
1511 if self.tree != '': |
31294
c134a33b1d73
treemanifest: make node reuse match flat manifest behavior
Durham Goode <durham@fb.com>
parents:
31255
diff
changeset
|
1512 # Double-check whether contents are unchanged to one parent |
36373
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
1513 if text == m1.dirtext(): |
31294
c134a33b1d73
treemanifest: make node reuse match flat manifest behavior
Durham Goode <durham@fb.com>
parents:
31255
diff
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|
1514 n = m1.node() |
36373
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cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
1515 elif text == m2.dirtext(): |
31294
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treemanifest: make node reuse match flat manifest behavior
Durham Goode <durham@fb.com>
parents:
31255
diff
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|
1516 n = m2.node() |
c134a33b1d73
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Durham Goode <durham@fb.com>
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31255
diff
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|
1517 |
c134a33b1d73
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Durham Goode <durham@fb.com>
parents:
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diff
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|
1518 if not n: |
39314
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
1519 n = self._revlog.addrevision(text, transaction, link, m1.node(), |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
1520 m2.node()) |
31294
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Durham Goode <durham@fb.com>
parents:
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diff
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|
1521 |
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Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
1522 # Save nodeid so parent manifest can calculate its nodeid |
774a15b129e8
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Durham Goode <durham@fb.com>
parents:
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diff
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|
1523 m.setnode(n) |
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Durham Goode <durham@fb.com>
parents:
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diff
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|
1524 return n |
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Durham Goode <durham@fb.com>
parents:
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|
1525 |
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|
1526 def __len__(self): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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|
1527 return len(self._revlog) |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
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|
1528 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
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|
1529 def __iter__(self): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
1530 return self._revlog.__iter__() |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
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|
1531 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1532 def rev(self, node): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1533 return self._revlog.rev(node) |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1534 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1535 def node(self, rev): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1536 return self._revlog.node(rev) |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
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|
1537 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1538 def lookup(self, value): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1539 return self._revlog.lookup(value) |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1540 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1541 def parentrevs(self, rev): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1542 return self._revlog.parentrevs(rev) |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1543 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1544 def parents(self, node): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1545 return self._revlog.parents(node) |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1546 |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1547 def linkrev(self, rev): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1548 return self._revlog.linkrev(rev) |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1549 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1550 def checksize(self): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1551 return self._revlog.checksize() |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1552 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1553 def revision(self, node, _df=None, raw=False): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1554 return self._revlog.revision(node, _df=_df, raw=raw) |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1555 |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1556 def revdiff(self, rev1, rev2): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1557 return self._revlog.revdiff(rev1, rev2) |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1558 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1559 def cmp(self, node, text): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1560 return self._revlog.cmp(node, text) |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1561 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1562 def deltaparent(self, rev): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1563 return self._revlog.deltaparent(rev) |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1564 |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1565 def emitrevisiondeltas(self, requests): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1566 return self._revlog.emitrevisiondeltas(requests) |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1567 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1568 def addgroup(self, deltas, linkmapper, transaction, addrevisioncb=None): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1569 return self._revlog.addgroup(deltas, linkmapper, transaction, |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1570 addrevisioncb=addrevisioncb) |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1571 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1572 def getstrippoint(self, minlink): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1573 return self._revlog.getstrippoint(minlink) |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1574 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1575 def strip(self, minlink, transaction): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1576 return self._revlog.strip(minlink, transaction) |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1577 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1578 def files(self): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1579 return self._revlog.files() |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1580 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1581 def clone(self, tr, destrevlog, **kwargs): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1582 if not isinstance(destrevlog, manifestrevlog): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1583 raise error.ProgrammingError('expected manifestrevlog to clone()') |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1584 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1585 return self._revlog.clone(tr, destrevlog._revlog, **kwargs) |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1586 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1587 @property |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1588 def indexfile(self): |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1589 return self._revlog.indexfile |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1590 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1591 @indexfile.setter |
7f5e6d3e9032
manifest: proxy to revlog instance instead of inheriting
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1592 def indexfile(self, value): |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1593 self._revlog.indexfile = value |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1594 |
7f5e6d3e9032
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
39246
diff
changeset
|
1595 @property |
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1596 def opener(self): |
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1597 return self._revlog.opener |
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1598 |
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|
1599 @opener.setter |
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1600 def opener(self, value): |
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1601 self._revlog.opener = value |
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1602 |
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1603 @interfaceutil.implementer(repository.imanifestlog) |
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1604 class manifestlog(object): |
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1605 """A collection class representing the collection of manifest snapshots |
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1606 referenced by commits in the repository. |
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1607 |
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1608 In this situation, 'manifest' refers to the abstract concept of a snapshot |
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1609 of the list of files in the given commit. Consumers of the output of this |
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1610 class do not care about the implementation details of the actual manifests |
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1611 they receive (i.e. tree or flat or lazily loaded, etc).""" |
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1612 def __init__(self, opener, repo): |
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1613 usetreemanifest = False |
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1614 cachesize = 4 |
29959
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1615 |
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1616 opts = getattr(opener, 'options', None) |
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1617 if opts is not None: |
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1618 usetreemanifest = opts.get('treemanifest', usetreemanifest) |
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1619 cachesize = opts.get('manifestcachesize', cachesize) |
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1620 |
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1621 self._treemanifests = usetreemanifest |
29959
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1622 |
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1623 self._rootstore = repo._constructmanifest() |
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1624 self._rootstore._setupmanifestcachehooks(repo) |
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Martin von Zweigbergk <martinvonz@google.com>
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|
1625 self._narrowmatch = repo.narrowmatch() |
30219
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1626 |
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1627 # A cache of the manifestctx or treemanifestctx for each directory |
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1628 self._dirmancache = {} |
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1629 self._dirmancache[''] = util.lrucachedict(cachesize) |
30292
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1630 |
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|
1631 self._cachesize = cachesize |
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|
1632 |
29825
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|
1633 def __getitem__(self, node): |
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1634 """Retrieves the manifest instance for the given node. Throws a |
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|
1635 LookupError if not found. |
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1636 """ |
30291
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|
1637 return self.get('', node) |
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1638 |
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|
1639 def get(self, tree, node, verify=True): |
30291
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1640 """Retrieves the manifest instance for the given node. Throws a |
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|
1641 LookupError if not found. |
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|
1642 |
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1643 `verify` - if True an exception will be thrown if the node is not in |
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1644 the revlog |
30291
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1645 """ |
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1646 if node in self._dirmancache.get(tree, ()): |
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|
1647 return self._dirmancache[tree][node] |
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|
1648 |
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|
1649 if not self._narrowmatch.always(): |
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1650 if not self._narrowmatch.visitdir(tree[:-1] or '.'): |
43387fd2aa1f
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1651 return excludeddirmanifestctx(tree, node) |
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1652 if tree: |
39321
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|
1653 if self._rootstore._treeondisk: |
30403
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diff
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|
1654 if verify: |
39246
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1655 # Side-effect is LookupError is raised if node doesn't |
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|
1656 # exist. |
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|
1657 self.getstorage(tree).rev(node) |
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|
1658 |
39235
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|
1659 m = treemanifestctx(self, tree, node) |
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|
1660 else: |
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|
1661 raise error.Abort( |
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|
1662 _("cannot ask for manifest directory '%s' in a flat " |
39235
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|
1663 "manifest") % tree) |
29907
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|
1664 else: |
30403
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|
1665 if verify: |
39246
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|
1666 # Side-effect is LookupError is raised if node doesn't exist. |
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|
1667 self._rootstore.rev(node) |
39246
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|
1668 |
39245
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|
1669 if self._treemanifests: |
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|
1670 m = treemanifestctx(self, '', node) |
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|
1671 else: |
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|
1672 m = manifestctx(self, node) |
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|
1673 |
39316
53363a8eff57
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39315
diff
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|
1674 if node != nullid: |
39235
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|
1675 mancache = self._dirmancache.get(tree) |
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|
1676 if not mancache: |
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|
1677 mancache = util.lrucachedict(self._cachesize) |
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|
1678 self._dirmancache[tree] = mancache |
30292
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|
1679 mancache[node] = m |
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|
1680 return m |
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|
1681 |
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|
1682 def getstorage(self, tree): |
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|
1683 return self._rootstore.dirlog(tree) |
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|
1684 |
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diff
changeset
|
1685 def clearcaches(self, clear_persisted_data=False): |
30370
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|
1686 self._dirmancache.clear() |
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|
1687 self._rootstore.clearcaches(clear_persisted_data=clear_persisted_data) |
30370
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|
1688 |
38555
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|
1689 def rev(self, node): |
39321
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|
1690 return self._rootstore.rev(node) |
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1691 |
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|
1692 @interfaceutil.implementer(repository.imanifestrevisionwritable) |
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|
1693 class memmanifestctx(object): |
31153
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|
1694 def __init__(self, manifestlog): |
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|
1695 self._manifestlog = manifestlog |
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|
1696 self._manifestdict = manifestdict() |
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1697 |
39317
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changeset
|
1698 def _storage(self): |
39320
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39317
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|
1699 return self._manifestlog.getstorage(b'') |
30345
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|
1700 |
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|
1701 def new(self): |
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1702 return memmanifestctx(self._manifestlog) |
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|
1703 |
30343
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|
1704 def copy(self): |
31153
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|
1705 memmf = memmanifestctx(self._manifestlog) |
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|
1706 memmf._manifestdict = self.read().copy() |
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|
1707 return memmf |
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|
1708 |
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|
1709 def read(self): |
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|
1710 return self._manifestdict |
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1711 |
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1712 def write(self, transaction, link, p1, p2, added, removed, match=None): |
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1713 return self._storage().add(self._manifestdict, transaction, link, |
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1714 p1, p2, added, removed, match=match) |
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1715 |
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1716 @interfaceutil.implementer(repository.imanifestrevisionstored) |
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1717 class manifestctx(object): |
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1718 """A class representing a single revision of a manifest, including its |
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1719 contents, its parent revs, and its linkrev. |
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1720 """ |
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1721 def __init__(self, manifestlog, node): |
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1722 self._manifestlog = manifestlog |
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1723 self._data = None |
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1724 |
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1725 self._node = node |
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1726 |
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1727 # TODO: We eventually want p1, p2, and linkrev exposed on this class, |
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1728 # but let's add it later when something needs it and we can load it |
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1729 # lazily. |
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1730 #self.p1, self.p2 = store.parents(node) |
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1731 #rev = store.rev(node) |
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1732 #self.linkrev = store.linkrev(rev) |
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1733 |
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1734 def _storage(self): |
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1735 return self._manifestlog.getstorage(b'') |
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1736 |
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1737 def node(self): |
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1738 return self._node |
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1739 |
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1740 def new(self): |
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1741 return memmanifestctx(self._manifestlog) |
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1742 |
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1743 def copy(self): |
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1744 memmf = memmanifestctx(self._manifestlog) |
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1745 memmf._manifestdict = self.read().copy() |
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1746 return memmf |
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1747 |
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1748 @propertycache |
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1749 def parents(self): |
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1750 return self._storage().parents(self._node) |
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1751 |
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1752 def read(self): |
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1753 if self._data is None: |
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1754 if self._node == nullid: |
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1755 self._data = manifestdict() |
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1756 else: |
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1757 store = self._storage() |
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1758 if self._node in store.fulltextcache: |
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1759 text = pycompat.bytestr(store.fulltextcache[self._node]) |
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1760 else: |
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1761 text = store.revision(self._node) |
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1762 arraytext = bytearray(text) |
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1763 store.fulltextcache[self._node] = arraytext |
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1764 self._data = manifestdict(text) |
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1765 return self._data |
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1766 |
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1767 def readfast(self, shallow=False): |
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1768 '''Calls either readdelta or read, based on which would be less work. |
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1769 readdelta is called if the delta is against the p1, and therefore can be |
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1770 read quickly. |
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1771 |
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1772 If `shallow` is True, nothing changes since this is a flat manifest. |
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1773 ''' |
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1774 store = self._storage() |
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1775 r = store.rev(self._node) |
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1776 deltaparent = store.deltaparent(r) |
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1777 if deltaparent != nullrev and deltaparent in store.parentrevs(r): |
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1778 return self.readdelta() |
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1779 return self.read() |
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1780 |
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1781 def readdelta(self, shallow=False): |
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1782 '''Returns a manifest containing just the entries that are present |
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1783 in this manifest, but not in its p1 manifest. This is efficient to read |
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1784 if the revlog delta is already p1. |
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1785 |
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1786 Changing the value of `shallow` has no effect on flat manifests. |
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1787 ''' |
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1788 store = self._storage() |
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1789 r = store.rev(self._node) |
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1790 d = mdiff.patchtext(store.revdiff(store.deltaparent(r), r)) |
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1791 return manifestdict(d) |
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1792 |
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1793 def find(self, key): |
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1794 return self.read().find(key) |
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1795 |
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1796 @interfaceutil.implementer(repository.imanifestrevisionwritable) |
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1797 class memtreemanifestctx(object): |
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1798 def __init__(self, manifestlog, dir=''): |
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1799 self._manifestlog = manifestlog |
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1800 self._dir = dir |
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1801 self._treemanifest = treemanifest() |
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1802 |
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1803 def _storage(self): |
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1804 return self._manifestlog.getstorage(b'') |
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1805 |
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1806 def new(self, dir=''): |
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1807 return memtreemanifestctx(self._manifestlog, dir=dir) |
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1808 |
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1809 def copy(self): |
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1810 memmf = memtreemanifestctx(self._manifestlog, dir=self._dir) |
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1811 memmf._treemanifest = self._treemanifest.copy() |
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1812 return memmf |
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1813 |
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1814 def read(self): |
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1815 return self._treemanifest |
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1816 |
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1817 def write(self, transaction, link, p1, p2, added, removed, match=None): |
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1818 def readtree(dir, node): |
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1819 return self._manifestlog.get(dir, node).read() |
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1820 return self._storage().add(self._treemanifest, transaction, link, |
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1821 p1, p2, added, removed, readtree=readtree, |
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1822 match=match) |
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1823 |
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1824 @interfaceutil.implementer(repository.imanifestrevisionstored) |
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1825 class treemanifestctx(object): |
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1826 def __init__(self, manifestlog, dir, node): |
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1827 self._manifestlog = manifestlog |
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1828 self._dir = dir |
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1829 self._data = None |
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1830 |
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1831 self._node = node |
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1832 |
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1833 # TODO: Load p1/p2/linkrev lazily. They need to be lazily loaded so that |
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1834 # we can instantiate treemanifestctx objects for directories we don't |
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1835 # have on disk. |
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1836 #self.p1, self.p2 = store.parents(node) |
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1837 #rev = store.rev(node) |
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1838 #self.linkrev = store.linkrev(rev) |
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1839 |
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1840 def _storage(self): |
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1841 narrowmatch = self._manifestlog._narrowmatch |
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1842 if not narrowmatch.always(): |
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1843 if not narrowmatch.visitdir(self._dir[:-1] or '.'): |
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1844 return excludedmanifestrevlog(self._dir) |
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1845 return self._manifestlog.getstorage(self._dir) |
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1846 |
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1847 def read(self): |
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1848 if self._data is None: |
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1849 store = self._storage() |
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1850 if self._node == nullid: |
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1851 self._data = treemanifest() |
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1852 # TODO accessing non-public API |
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1853 elif store._treeondisk: |
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1854 m = treemanifest(dir=self._dir) |
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1855 def gettext(): |
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1856 return store.revision(self._node) |
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1857 def readsubtree(dir, subm): |
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1858 # Set verify to False since we need to be able to create |
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1859 # subtrees for trees that don't exist on disk. |
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1860 return self._manifestlog.get(dir, subm, verify=False).read() |
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1861 m.read(gettext, readsubtree) |
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1862 m.setnode(self._node) |
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1863 self._data = m |
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1864 else: |
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1865 if self._node in store.fulltextcache: |
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1866 text = pycompat.bytestr(store.fulltextcache[self._node]) |
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1867 else: |
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1868 text = store.revision(self._node) |
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1869 arraytext = bytearray(text) |
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1870 store.fulltextcache[self._node] = arraytext |
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1871 self._data = treemanifest(dir=self._dir, text=text) |
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1872 |
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1873 return self._data |
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1874 |
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1875 def node(self): |
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1876 return self._node |
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1877 |
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1878 def new(self, dir=''): |
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1879 return memtreemanifestctx(self._manifestlog, dir=dir) |
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1880 |
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1881 def copy(self): |
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1882 memmf = memtreemanifestctx(self._manifestlog, dir=self._dir) |
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1883 memmf._treemanifest = self.read().copy() |
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1884 return memmf |
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1885 |
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1886 @propertycache |
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1887 def parents(self): |
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1888 return self._storage().parents(self._node) |
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1889 |
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1890 def readdelta(self, shallow=False): |
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1891 '''Returns a manifest containing just the entries that are present |
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1892 in this manifest, but not in its p1 manifest. This is efficient to read |
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1893 if the revlog delta is already p1. |
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1894 |
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1895 If `shallow` is True, this will read the delta for this directory, |
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1896 without recursively reading subdirectory manifests. Instead, any |
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1897 subdirectory entry will be reported as it appears in the manifest, i.e. |
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1898 the subdirectory will be reported among files and distinguished only by |
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1899 its 't' flag. |
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1900 ''' |
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1901 store = self._storage() |
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1902 if shallow: |
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1903 r = store.rev(self._node) |
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1904 d = mdiff.patchtext(store.revdiff(store.deltaparent(r), r)) |
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1905 return manifestdict(d) |
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1906 else: |
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1907 # Need to perform a slow delta |
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1908 r0 = store.deltaparent(store.rev(self._node)) |
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1909 m0 = self._manifestlog.get(self._dir, store.node(r0)).read() |
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1910 m1 = self.read() |
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1911 md = treemanifest(dir=self._dir) |
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1912 for f, ((n0, fl0), (n1, fl1)) in m0.diff(m1).iteritems(): |
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1913 if n1: |
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1914 md[f] = n1 |
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1915 if fl1: |
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1916 md.setflag(f, fl1) |
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1917 return md |
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1918 |
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1919 def readfast(self, shallow=False): |
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1920 '''Calls either readdelta or read, based on which would be less work. |
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1921 readdelta is called if the delta is against the p1, and therefore can be |
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1922 read quickly. |
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1923 |
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1924 If `shallow` is True, it only returns the entries from this manifest, |
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1925 and not any submanifests. |
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1926 ''' |
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1927 store = self._storage() |
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1928 r = store.rev(self._node) |
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1929 deltaparent = store.deltaparent(r) |
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1930 if (deltaparent != nullrev and |
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1931 deltaparent in store.parentrevs(r)): |
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1932 return self.readdelta(shallow=shallow) |
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1933 |
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1934 if shallow: |
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1935 return manifestdict(store.revision(self._node)) |
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1936 else: |
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1937 return self.read() |
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1938 |
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1939 def find(self, key): |
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1940 return self.read().find(key) |
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1941 |
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1942 class excludeddir(treemanifest): |
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1943 """Stand-in for a directory that is excluded from the repository. |
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1944 |
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1945 With narrowing active on a repository that uses treemanifests, |
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1946 some of the directory revlogs will be excluded from the resulting |
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1947 clone. This is a huge storage win for clients, but means we need |
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1948 some sort of pseudo-manifest to surface to internals so we can |
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1949 detect a merge conflict outside the narrowspec. That's what this |
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1950 class is: it stands in for a directory whose node is known, but |
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1951 whose contents are unknown. |
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1952 """ |
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1953 def __init__(self, dir, node): |
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1954 super(excludeddir, self).__init__(dir) |
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1955 self._node = node |
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1956 # Add an empty file, which will be included by iterators and such, |
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1957 # appearing as the directory itself (i.e. something like "dir/") |
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1958 self._files[''] = node |
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1959 self._flags[''] = 't' |
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1960 |
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1961 # Manifests outside the narrowspec should never be modified, so avoid |
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1962 # copying. This makes a noticeable difference when there are very many |
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1963 # directories outside the narrowspec. Also, it makes sense for the copy to |
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1964 # be of the same type as the original, which would not happen with the |
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1965 # super type's copy(). |
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1966 def copy(self): |
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1967 return self |
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1968 |
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1969 class excludeddirmanifestctx(treemanifestctx): |
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1970 """context wrapper for excludeddir - see that docstring for rationale""" |
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1971 def __init__(self, dir, node): |
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1972 self._dir = dir |
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1973 self._node = node |
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1974 |
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1975 def read(self): |
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1976 return excludeddir(self._dir, self._node) |
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1977 |
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1978 def write(self, *args): |
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1979 raise error.ProgrammingError( |
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1980 'attempt to write manifest from excluded dir %s' % self._dir) |
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1981 |
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1982 class excludedmanifestrevlog(manifestrevlog): |
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1983 """Stand-in for excluded treemanifest revlogs. |
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1984 |
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1985 When narrowing is active on a treemanifest repository, we'll have |
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1986 references to directories we can't see due to the revlog being |
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1987 skipped. This class exists to conform to the manifestrevlog |
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1988 interface for those directories and proactively prevent writes to |
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1989 outside the narrowspec. |
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1990 """ |
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1991 |
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1992 def __init__(self, dir): |
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1993 self._dir = dir |
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1994 |
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1995 def __len__(self): |
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1996 raise error.ProgrammingError( |
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1997 'attempt to get length of excluded dir %s' % self._dir) |
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1998 |
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1999 def rev(self, node): |
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2000 raise error.ProgrammingError( |
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2001 'attempt to get rev from excluded dir %s' % self._dir) |
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2002 |
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2003 def linkrev(self, node): |
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2004 raise error.ProgrammingError( |
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2005 'attempt to get linkrev from excluded dir %s' % self._dir) |
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2006 |
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2007 def node(self, rev): |
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2008 raise error.ProgrammingError( |
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2009 'attempt to get node from excluded dir %s' % self._dir) |
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2010 |
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2011 def add(self, *args, **kwargs): |
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2012 # We should never write entries in dirlogs outside the narrow clone. |
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2013 # However, the method still gets called from writesubtree() in |
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2014 # _addtree(), so we need to handle it. We should possibly make that |
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2015 # avoid calling add() with a clean manifest (_dirty is always False |
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2016 # in excludeddir instances). |
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2017 pass |