Mercurial > hg
annotate mercurial/manifest.py @ 38618:c829749e7639
shelve: directly handle the initial parent alignment
Shelve is currently sub-contracting some of its work to the rebase extension.
In order to make shelve more independent and flexible we would like shelve to
handle the parent alignment directly.
After this change, we no longer need to use rebase in shelve.
Differential Revision: https://phab.mercurial-scm.org/D3693
author | Boris Feld <boris.feld@octobus.net> |
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date | Tue, 29 May 2018 00:30:50 +0200 |
parents | 0db41eb0a3ac |
children | 28c9d67d88ab |
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1089 | 1 # manifest.py - manifest revision class for mercurial |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import heapq |
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11 import itertools |
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12 import struct |
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13 |
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14 from .i18n import _ |
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15 from .node import ( |
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16 bin, |
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17 hex, |
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18 ) |
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19 from . import ( |
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20 error, |
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21 mdiff, |
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22 policy, |
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23 pycompat, |
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24 repository, |
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25 revlog, |
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26 util, |
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27 ) |
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28 from .utils import ( |
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29 interfaceutil, |
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30 ) |
79 | 31 |
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32 parsers = policy.importmod(r'parsers') |
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33 propertycache = util.propertycache |
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34 |
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35 def _parse(data): |
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36 # This method does a little bit of excessive-looking |
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37 # precondition checking. This is so that the behavior of this |
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38 # class exactly matches its C counterpart to try and help |
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39 # prevent surprise breakage for anyone that develops against |
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40 # the pure version. |
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41 if data and data[-1:] != '\n': |
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42 raise ValueError('Manifest did not end in a newline.') |
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43 prev = None |
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44 for l in data.splitlines(): |
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45 if prev is not None and prev > l: |
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46 raise ValueError('Manifest lines not in sorted order.') |
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47 prev = l |
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48 f, n = l.split('\0') |
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49 if len(n) > 40: |
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50 yield f, bin(n[:40]), n[40:] |
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51 else: |
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52 yield f, bin(n), '' |
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53 |
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54 def _text(it): |
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55 files = [] |
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56 lines = [] |
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57 _hex = revlog.hex |
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58 for f, n, fl in it: |
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59 files.append(f) |
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60 # if this is changed to support newlines in filenames, |
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61 # be sure to check the templates/ dir again (especially *-raw.tmpl) |
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62 lines.append("%s\0%s%s\n" % (f, _hex(n), fl)) |
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63 |
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64 _checkforbidden(files) |
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65 return ''.join(lines) |
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66 |
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67 class lazymanifestiter(object): |
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68 def __init__(self, lm): |
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69 self.pos = 0 |
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70 self.lm = lm |
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71 |
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72 def __iter__(self): |
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73 return self |
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74 |
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75 def next(self): |
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76 try: |
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77 data, pos = self.lm._get(self.pos) |
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78 except IndexError: |
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79 raise StopIteration |
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80 if pos == -1: |
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81 self.pos += 1 |
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82 return data[0] |
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83 self.pos += 1 |
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84 zeropos = data.find('\x00', pos) |
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85 return data[pos:zeropos] |
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86 |
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87 __next__ = next |
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88 |
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89 class lazymanifestiterentries(object): |
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90 def __init__(self, lm): |
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91 self.lm = lm |
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92 self.pos = 0 |
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93 |
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94 def __iter__(self): |
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95 return self |
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96 |
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97 def next(self): |
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98 try: |
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99 data, pos = self.lm._get(self.pos) |
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100 except IndexError: |
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101 raise StopIteration |
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102 if pos == -1: |
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103 self.pos += 1 |
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104 return data |
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105 zeropos = data.find('\x00', pos) |
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106 hashval = unhexlify(data, self.lm.extrainfo[self.pos], |
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107 zeropos + 1, 40) |
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108 flags = self.lm._getflags(data, self.pos, zeropos) |
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109 self.pos += 1 |
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110 return (data[pos:zeropos], hashval, flags) |
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111 |
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112 __next__ = next |
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113 |
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114 def unhexlify(data, extra, pos, length): |
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115 s = bin(data[pos:pos + length]) |
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116 if extra: |
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117 s += chr(extra & 0xff) |
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118 return s |
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119 |
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120 def _cmp(a, b): |
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121 return (a > b) - (a < b) |
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122 |
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123 class _lazymanifest(object): |
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124 def __init__(self, data, positions=None, extrainfo=None, extradata=None): |
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125 if positions is None: |
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126 self.positions = self.findlines(data) |
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127 self.extrainfo = [0] * len(self.positions) |
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128 self.data = data |
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129 self.extradata = [] |
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130 else: |
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131 self.positions = positions[:] |
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132 self.extrainfo = extrainfo[:] |
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133 self.extradata = extradata[:] |
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134 self.data = data |
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135 |
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136 def findlines(self, data): |
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137 if not data: |
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138 return [] |
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139 pos = data.find("\n") |
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140 if pos == -1 or data[-1:] != '\n': |
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141 raise ValueError("Manifest did not end in a newline.") |
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142 positions = [0] |
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143 prev = data[:data.find('\x00')] |
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144 while pos < len(data) - 1 and pos != -1: |
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145 positions.append(pos + 1) |
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146 nexts = data[pos + 1:data.find('\x00', pos + 1)] |
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147 if nexts < prev: |
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148 raise ValueError("Manifest lines not in sorted order.") |
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149 prev = nexts |
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150 pos = data.find("\n", pos + 1) |
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151 return positions |
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152 |
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153 def _get(self, index): |
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154 # get the position encoded in pos: |
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155 # positive number is an index in 'data' |
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156 # negative number is in extrapieces |
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157 pos = self.positions[index] |
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158 if pos >= 0: |
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159 return self.data, pos |
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160 return self.extradata[-pos - 1], -1 |
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161 |
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162 def _getkey(self, pos): |
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163 if pos >= 0: |
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164 return self.data[pos:self.data.find('\x00', pos + 1)] |
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165 return self.extradata[-pos - 1][0] |
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166 |
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167 def bsearch(self, key): |
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168 first = 0 |
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169 last = len(self.positions) - 1 |
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170 |
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171 while first <= last: |
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172 midpoint = (first + last)//2 |
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173 nextpos = self.positions[midpoint] |
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174 candidate = self._getkey(nextpos) |
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175 r = _cmp(key, candidate) |
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176 if r == 0: |
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177 return midpoint |
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178 else: |
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179 if r < 0: |
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180 last = midpoint - 1 |
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181 else: |
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182 first = midpoint + 1 |
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183 return -1 |
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184 |
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185 def bsearch2(self, key): |
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186 # same as the above, but will always return the position |
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187 # done for performance reasons |
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188 first = 0 |
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189 last = len(self.positions) - 1 |
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190 |
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191 while first <= last: |
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192 midpoint = (first + last)//2 |
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193 nextpos = self.positions[midpoint] |
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194 candidate = self._getkey(nextpos) |
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195 r = _cmp(key, candidate) |
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196 if r == 0: |
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197 return (midpoint, True) |
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198 else: |
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199 if r < 0: |
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200 last = midpoint - 1 |
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201 else: |
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202 first = midpoint + 1 |
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203 return (first, False) |
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204 |
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205 def __contains__(self, key): |
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206 return self.bsearch(key) != -1 |
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207 |
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208 def _getflags(self, data, needle, pos): |
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209 start = pos + 41 |
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210 end = data.find("\n", start) |
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211 if end == -1: |
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212 end = len(data) - 1 |
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213 if start == end: |
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214 return '' |
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215 return self.data[start:end] |
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216 |
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217 def __getitem__(self, key): |
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218 if not isinstance(key, bytes): |
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219 raise TypeError("getitem: manifest keys must be a bytes.") |
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220 needle = self.bsearch(key) |
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221 if needle == -1: |
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222 raise KeyError |
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223 data, pos = self._get(needle) |
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224 if pos == -1: |
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225 return (data[1], data[2]) |
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226 zeropos = data.find('\x00', pos) |
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227 assert 0 <= needle <= len(self.positions) |
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228 assert len(self.extrainfo) == len(self.positions) |
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229 hashval = unhexlify(data, self.extrainfo[needle], zeropos + 1, 40) |
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230 flags = self._getflags(data, needle, zeropos) |
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231 return (hashval, flags) |
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232 |
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233 def __delitem__(self, key): |
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234 needle, found = self.bsearch2(key) |
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235 if not found: |
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236 raise KeyError |
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237 cur = self.positions[needle] |
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238 self.positions = self.positions[:needle] + self.positions[needle + 1:] |
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239 self.extrainfo = self.extrainfo[:needle] + self.extrainfo[needle + 1:] |
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240 if cur >= 0: |
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241 self.data = self.data[:cur] + '\x00' + self.data[cur + 1:] |
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242 |
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243 def __setitem__(self, key, value): |
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244 if not isinstance(key, bytes): |
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245 raise TypeError("setitem: manifest keys must be a byte string.") |
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246 if not isinstance(value, tuple) or len(value) != 2: |
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247 raise TypeError("Manifest values must be a tuple of (node, flags).") |
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248 hashval = value[0] |
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249 if not isinstance(hashval, bytes) or not 20 <= len(hashval) <= 22: |
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250 raise TypeError("node must be a 20-byte byte string") |
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251 flags = value[1] |
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252 if len(hashval) == 22: |
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253 hashval = hashval[:-1] |
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254 if not isinstance(flags, bytes) or len(flags) > 1: |
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255 raise TypeError("flags must a 0 or 1 byte string, got %r", flags) |
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256 needle, found = self.bsearch2(key) |
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257 if found: |
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258 # put the item |
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259 pos = self.positions[needle] |
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260 if pos < 0: |
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261 self.extradata[-pos - 1] = (key, hashval, value[1]) |
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262 else: |
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263 # just don't bother |
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264 self.extradata.append((key, hashval, value[1])) |
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265 self.positions[needle] = -len(self.extradata) |
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266 else: |
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267 # not found, put it in with extra positions |
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268 self.extradata.append((key, hashval, value[1])) |
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269 self.positions = (self.positions[:needle] + [-len(self.extradata)] |
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270 + self.positions[needle:]) |
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271 self.extrainfo = (self.extrainfo[:needle] + [0] + |
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272 self.extrainfo[needle:]) |
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273 |
2831 | 274 def copy(self): |
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275 # XXX call _compact like in C? |
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276 return _lazymanifest(self.data, self.positions, self.extrainfo, |
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277 self.extradata) |
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278 |
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279 def _compact(self): |
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280 # hopefully not called TOO often |
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281 if len(self.extradata) == 0: |
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282 return |
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283 l = [] |
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284 last_cut = 0 |
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285 i = 0 |
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286 offset = 0 |
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287 self.extrainfo = [0] * len(self.positions) |
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288 while i < len(self.positions): |
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289 if self.positions[i] >= 0: |
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290 cur = self.positions[i] |
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291 last_cut = cur |
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292 while True: |
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293 self.positions[i] = offset |
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294 i += 1 |
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295 if i == len(self.positions) or self.positions[i] < 0: |
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296 break |
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297 offset += self.positions[i] - cur |
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298 cur = self.positions[i] |
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299 end_cut = self.data.find('\n', cur) |
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300 if end_cut != -1: |
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301 end_cut += 1 |
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302 offset += end_cut - cur |
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303 l.append(self.data[last_cut:end_cut]) |
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304 else: |
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305 while i < len(self.positions) and self.positions[i] < 0: |
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306 cur = self.positions[i] |
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307 t = self.extradata[-cur - 1] |
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308 l.append(self._pack(t)) |
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309 self.positions[i] = offset |
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310 if len(t[1]) > 20: |
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311 self.extrainfo[i] = ord(t[1][21]) |
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312 offset += len(l[-1]) |
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313 i += 1 |
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314 self.data = ''.join(l) |
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315 self.extradata = [] |
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316 |
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317 def _pack(self, d): |
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318 return d[0] + '\x00' + hex(d[1][:20]) + d[2] + '\n' |
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319 |
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320 def text(self): |
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321 self._compact() |
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322 return self.data |
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323 |
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324 def diff(self, m2, clean=False): |
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325 '''Finds changes between the current manifest and m2.''' |
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326 # XXX think whether efficiency matters here |
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327 diff = {} |
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328 |
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329 for fn, e1, flags in self.iterentries(): |
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330 if fn not in m2: |
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331 diff[fn] = (e1, flags), (None, '') |
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332 else: |
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333 e2 = m2[fn] |
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334 if (e1, flags) != e2: |
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335 diff[fn] = (e1, flags), e2 |
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336 elif clean: |
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337 diff[fn] = None |
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338 |
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339 for fn, e2, flags in m2.iterentries(): |
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340 if fn not in self: |
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341 diff[fn] = (None, ''), (e2, flags) |
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342 |
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343 return diff |
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344 |
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345 def iterentries(self): |
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346 return lazymanifestiterentries(self) |
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347 |
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348 def iterkeys(self): |
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349 return lazymanifestiter(self) |
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350 |
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351 def __iter__(self): |
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352 return lazymanifestiter(self) |
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353 |
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354 def __len__(self): |
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355 return len(self.positions) |
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356 |
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357 def filtercopy(self, filterfn): |
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358 # XXX should be optimized |
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359 c = _lazymanifest('') |
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360 for f, n, fl in self.iterentries(): |
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361 if filterfn(f): |
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362 c[f] = n, fl |
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363 return c |
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364 |
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365 try: |
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366 _lazymanifest = parsers.lazymanifest |
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367 except AttributeError: |
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368 pass |
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369 |
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370 @interfaceutil.implementer(repository.imanifestdict) |
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371 class manifestdict(object): |
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372 def __init__(self, data=''): |
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373 self._lm = _lazymanifest(data) |
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374 |
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375 def __getitem__(self, key): |
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376 return self._lm[key][0] |
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377 |
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378 def find(self, key): |
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379 return self._lm[key] |
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380 |
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381 def __len__(self): |
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382 return len(self._lm) |
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383 |
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384 def __nonzero__(self): |
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385 # nonzero is covered by the __len__ function, but implementing it here |
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386 # makes it easier for extensions to override. |
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387 return len(self._lm) != 0 |
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388 |
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389 __bool__ = __nonzero__ |
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390 |
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391 def __setitem__(self, key, node): |
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392 self._lm[key] = node, self.flags(key, '') |
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393 |
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394 def __contains__(self, key): |
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395 if key is None: |
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396 return False |
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397 return key in self._lm |
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398 |
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399 def __delitem__(self, key): |
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400 del self._lm[key] |
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401 |
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402 def __iter__(self): |
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403 return self._lm.__iter__() |
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404 |
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405 def iterkeys(self): |
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406 return self._lm.iterkeys() |
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407 |
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408 def keys(self): |
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409 return list(self.iterkeys()) |
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410 |
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411 def filesnotin(self, m2, match=None): |
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412 '''Set of files in this manifest that are not in the other''' |
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413 if match: |
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414 m1 = self.matches(match) |
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415 m2 = m2.matches(match) |
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416 return m1.filesnotin(m2) |
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417 diff = self.diff(m2) |
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418 files = set(filepath |
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419 for filepath, hashflags in diff.iteritems() |
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420 if hashflags[1][0] is None) |
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421 return files |
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422 |
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423 @propertycache |
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424 def _dirs(self): |
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425 return util.dirs(self) |
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426 |
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427 def dirs(self): |
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428 return self._dirs |
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429 |
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430 def hasdir(self, dir): |
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431 return dir in self._dirs |
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432 |
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433 def _filesfastpath(self, match): |
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434 '''Checks whether we can correctly and quickly iterate over matcher |
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435 files instead of over manifest files.''' |
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436 files = match.files() |
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437 return (len(files) < 100 and (match.isexact() or |
25276
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|
438 (match.prefix() and all(fn in self for fn in files)))) |
24685
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changeset
|
439 |
24646
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manifest: move changectx.walk() to manifests
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parents:
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changeset
|
440 def walk(self, match): |
5693c834bcb4
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changeset
|
441 '''Generates matching file names. |
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diff
changeset
|
442 |
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changeset
|
443 Equivalent to manifest.matches(match).iterkeys(), but without creating |
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|
444 an entirely new manifest. |
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|
445 |
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446 It also reports nonexistent files by marking them bad with match.bad(). |
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|
447 ''' |
24683
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manifest.walk: special-case match.always() for speed
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448 if match.always(): |
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449 for f in iter(self): |
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450 yield f |
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451 return |
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changeset
|
452 |
24646
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|
453 fset = set(match.files()) |
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changeset
|
454 |
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changeset
|
455 # avoid the entire walk if we're only looking for specific files |
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|
456 if self._filesfastpath(match): |
24667
19c5b0913960
manifest.walk: join nested if-conditions
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|
457 for fn in sorted(fset): |
19c5b0913960
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458 yield fn |
24682
aef3d1469773
manifest.walk: use return instead of StopIteration in generator
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|
459 return |
24646
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changeset
|
460 |
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|
461 for fn in self: |
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|
462 if fn in fset: |
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|
463 # specified pattern is the exact name |
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464 fset.remove(fn) |
5693c834bcb4
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|
465 if match(fn): |
5693c834bcb4
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changeset
|
466 yield fn |
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parents:
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changeset
|
467 |
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parents:
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|
468 # for dirstate.walk, files=['.'] means "walk the whole tree". |
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|
469 # follow that here, too |
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|
470 fset.discard('.') |
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changeset
|
471 |
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changeset
|
472 for fn in sorted(fset): |
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|
473 if not self.hasdir(fn): |
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|
474 match.bad(fn, None) |
5693c834bcb4
manifest: move changectx.walk() to manifests
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diff
changeset
|
475 |
23305
0cc283f44655
manifest: add matches() method
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changeset
|
476 def matches(self, match): |
0cc283f44655
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changeset
|
477 '''generate a new manifest filtered by the match argument''' |
0cc283f44655
manifest: add matches() method
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|
478 if match.always(): |
0cc283f44655
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|
479 return self.copy() |
0cc283f44655
manifest: add matches() method
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changeset
|
480 |
24685
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diff
changeset
|
481 if self._filesfastpath(match): |
24666
3092885b5b32
manifestdict: inline _intersectfiles()
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changeset
|
482 m = manifestdict() |
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|
483 lm = self._lm |
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|
484 for fn in match.files(): |
3092885b5b32
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changeset
|
485 if fn in lm: |
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|
486 m._lm[fn] = lm[fn] |
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changeset
|
487 return m |
23305
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manifest: add matches() method
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changeset
|
488 |
24700
32b268cbff00
manifestdict: drop empty-string argument when creating empty manifest
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24685
diff
changeset
|
489 m = manifestdict() |
24664
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
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changeset
|
490 m._lm = self._lm.filtercopy(match) |
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
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diff
changeset
|
491 return m |
23305
0cc283f44655
manifest: add matches() method
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parents:
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diff
changeset
|
492 |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
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parents:
31153
diff
changeset
|
493 def diff(self, m2, match=None, clean=False): |
23756
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parents:
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changeset
|
494 '''Finds changes between the current manifest and m2. |
829f640b5540
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23602
diff
changeset
|
495 |
829f640b5540
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diff
changeset
|
496 Args: |
829f640b5540
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changeset
|
497 m2: the manifest to which this manifest should be compared. |
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diff
changeset
|
498 clean: if true, include files unchanged between these manifests |
829f640b5540
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diff
changeset
|
499 with a None value in the returned dictionary. |
829f640b5540
manifest: add optional recording of clean entries to diff
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parents:
23602
diff
changeset
|
500 |
829f640b5540
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parents:
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diff
changeset
|
501 The result is returned as a dict with filename as key and |
829f640b5540
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Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
502 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
503 nodeid in the current/other manifest and fl1/fl2 is the flag |
829f640b5540
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parents:
23602
diff
changeset
|
504 in the current/other manifest. Where the file does not exist, |
829f640b5540
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parents:
23602
diff
changeset
|
505 the nodeid will be None and the flags will be the empty |
829f640b5540
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parents:
23602
diff
changeset
|
506 string. |
829f640b5540
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Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
507 ''' |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
Durham Goode <durham@fb.com>
parents:
31153
diff
changeset
|
508 if match: |
959ebff3505a
manifest: add match argument to diff and filesnotin
Durham Goode <durham@fb.com>
parents:
31153
diff
changeset
|
509 m1 = self.matches(match) |
959ebff3505a
manifest: add match argument to diff and filesnotin
Durham Goode <durham@fb.com>
parents:
31153
diff
changeset
|
510 m2 = m2.matches(match) |
959ebff3505a
manifest: add match argument to diff and filesnotin
Durham Goode <durham@fb.com>
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31153
diff
changeset
|
511 return m1.diff(m2, clean=clean) |
24225
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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parents:
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diff
changeset
|
512 return self._lm.diff(m2._lm, clean) |
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parents:
24224
diff
changeset
|
513 |
3e5c4af69808
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Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
514 def setflag(self, key, flag): |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
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diff
changeset
|
515 self._lm[key] = self[key], flag |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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diff
changeset
|
516 |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
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24224
diff
changeset
|
517 def get(self, key, default=None): |
3e5c4af69808
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24224
diff
changeset
|
518 try: |
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parents:
24224
diff
changeset
|
519 return self._lm[key][0] |
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Augie Fackler <augie@google.com>
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diff
changeset
|
520 except KeyError: |
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Augie Fackler <augie@google.com>
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diff
changeset
|
521 return default |
22965
b697fa74b475
manifest: for diff(), only iterate over files, not flags
Martin von Zweigbergk <martinvonz@gmail.com>
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diff
changeset
|
522 |
24225
3e5c4af69808
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Augie Fackler <augie@google.com>
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diff
changeset
|
523 def flags(self, key, default=''): |
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parents:
24224
diff
changeset
|
524 try: |
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changeset
|
525 return self._lm[key][1] |
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parents:
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diff
changeset
|
526 except KeyError: |
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Augie Fackler <augie@google.com>
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changeset
|
527 return default |
22965
b697fa74b475
manifest: for diff(), only iterate over files, not flags
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diff
changeset
|
528 |
24225
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manifest: split manifestdict into high-level and low-level logic
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diff
changeset
|
529 def copy(self): |
24700
32b268cbff00
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24685
diff
changeset
|
530 c = manifestdict() |
24225
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diff
changeset
|
531 c._lm = self._lm.copy() |
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Augie Fackler <augie@google.com>
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changeset
|
532 return c |
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Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
533 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
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diff
changeset
|
534 def items(self): |
24298
49cd847fd69a
lazymanifest: make __iter__ generate filenames, not 3-tuples
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parents:
24297
diff
changeset
|
535 return (x[:2] for x in self._lm.iterentries()) |
2831 | 536 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
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diff
changeset
|
537 iteritems = items |
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
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diff
changeset
|
538 |
28203
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
539 def iterentries(self): |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
540 return self._lm.iterentries() |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
541 |
36373
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
542 def text(self): |
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
543 # most likely uses native version |
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
544 return self._lm.text() |
22408
dc97e04c12ad
manifest: move checkforbidden to module-level
Augie Fackler <raf@durin42.com>
parents:
21879
diff
changeset
|
545 |
22931
48c0b101a9de
manifest: add fastdelta method to manifestdict
Augie Fackler <raf@durin42.com>
parents:
22930
diff
changeset
|
546 def fastdelta(self, base, changes): |
31787
6bfea18df609
manifest: update comment to be about bytearray
Martin von Zweigbergk <martinvonz@google.com>
parents:
31650
diff
changeset
|
547 """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
|
548 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
|
549 """ |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
550 delta = [] |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
551 dstart = None |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
552 dend = None |
48c0b101a9de
manifest: add fastdelta method to manifestdict
Augie Fackler <raf@durin42.com>
parents:
22930
diff
changeset
|
553 dline = [""] |
48c0b101a9de
manifest: add fastdelta method to manifestdict
Augie Fackler <raf@durin42.com>
parents:
22930
diff
changeset
|
554 start = 0 |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
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diff
changeset
|
555 # zero copy representation of base as a buffer |
48c0b101a9de
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parents:
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diff
changeset
|
556 addbuf = util.buffer(base) |
48c0b101a9de
manifest: add fastdelta method to manifestdict
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parents:
22930
diff
changeset
|
557 |
26871
1cbf144fd8a1
manifest: skip fastdelta if the change is large
Durham Goode <durham@fb.com>
parents:
26402
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558 changes = list(changes) |
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559 if len(changes) < 1000: |
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560 # start with a readonly loop that finds the offset of |
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561 # each line and creates the deltas |
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562 for f, todelete in changes: |
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563 # bs will either be the index of the item or the insert point |
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564 start, end = _msearch(addbuf, f, start) |
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565 if not todelete: |
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566 h, fl = self._lm[f] |
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567 l = "%s\0%s%s\n" % (f, revlog.hex(h), fl) |
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568 else: |
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569 if start == end: |
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570 # item we want to delete was not found, error out |
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571 raise AssertionError( |
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572 _("failed to remove %s from manifest") % f) |
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573 l = "" |
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574 if dstart is not None and dstart <= start and dend >= start: |
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575 if dend < end: |
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576 dend = end |
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577 if l: |
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578 dline.append(l) |
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579 else: |
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580 if dstart is not None: |
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581 delta.append([dstart, dend, "".join(dline)]) |
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582 dstart = start |
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583 dend = end |
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584 dline = [l] |
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585 |
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586 if dstart is not None: |
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587 delta.append([dstart, dend, "".join(dline)]) |
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588 # apply the delta to the base, and get a delta for addrevision |
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589 deltatext, arraytext = _addlistdelta(base, delta) |
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590 else: |
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591 # For large changes, it's much cheaper to just build the text and |
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592 # diff it. |
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593 arraytext = bytearray(self.text()) |
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594 deltatext = mdiff.textdiff( |
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595 util.buffer(base), util.buffer(arraytext)) |
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596 |
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597 return arraytext, deltatext |
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598 |
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599 def _msearch(m, s, lo=0, hi=None): |
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600 '''return a tuple (start, end) that says where to find s within m. |
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601 |
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602 If the string is found m[start:end] are the line containing |
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603 that string. If start == end the string was not found and |
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604 they indicate the proper sorted insertion point. |
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605 |
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606 m should be a buffer, a memoryview or a byte string. |
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607 s is a byte string''' |
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608 def advance(i, c): |
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609 while i < lenm and m[i:i + 1] != c: |
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610 i += 1 |
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611 return i |
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612 if not s: |
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613 return (lo, lo) |
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614 lenm = len(m) |
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615 if not hi: |
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616 hi = lenm |
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617 while lo < hi: |
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618 mid = (lo + hi) // 2 |
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619 start = mid |
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620 while start > 0 and m[start - 1:start] != '\n': |
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621 start -= 1 |
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622 end = advance(start, '\0') |
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623 if bytes(m[start:end]) < s: |
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624 # we know that after the null there are 40 bytes of sha1 |
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625 # this translates to the bisect lo = mid + 1 |
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626 lo = advance(end + 40, '\n') + 1 |
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627 else: |
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628 # this translates to the bisect hi = mid |
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629 hi = start |
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630 end = advance(lo, '\0') |
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631 found = m[lo:end] |
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632 if s == found: |
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633 # we know that after the null there are 40 bytes of sha1 |
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634 end = advance(end + 40, '\n') |
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635 return (lo, end + 1) |
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636 else: |
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637 return (lo, lo) |
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638 |
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639 def _checkforbidden(l): |
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640 """Check filenames for illegal characters.""" |
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641 for f in l: |
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642 if '\n' in f or '\r' in f: |
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643 raise error.RevlogError( |
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644 _("'\\n' and '\\r' disallowed in filenames: %r") |
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645 % pycompat.bytestr(f)) |
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646 |
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647 |
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648 # apply the changes collected during the bisect loop to our addlist |
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649 # return a delta suitable for addrevision |
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650 def _addlistdelta(addlist, x): |
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651 # for large addlist arrays, building a new array is cheaper |
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652 # than repeatedly modifying the existing one |
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653 currentposition = 0 |
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654 newaddlist = bytearray() |
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655 |
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656 for start, end, content in x: |
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657 newaddlist += addlist[currentposition:start] |
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658 if content: |
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659 newaddlist += bytearray(content) |
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660 |
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661 currentposition = end |
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662 |
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663 newaddlist += addlist[currentposition:] |
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664 |
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665 deltatext = "".join(struct.pack(">lll", start, end, len(content)) |
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666 + content for start, end, content in x) |
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667 return deltatext, newaddlist |
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668 |
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669 def _splittopdir(f): |
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670 if '/' in f: |
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671 dir, subpath = f.split('/', 1) |
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672 return dir + '/', subpath |
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673 else: |
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674 return '', f |
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675 |
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676 _noop = lambda s: None |
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677 |
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678 class treemanifest(object): |
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679 def __init__(self, dir='', text=''): |
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680 self._dir = dir |
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681 self._node = revlog.nullid |
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682 self._loadfunc = _noop |
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683 self._copyfunc = _noop |
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684 self._dirty = False |
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685 self._dirs = {} |
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686 # Using _lazymanifest here is a little slower than plain old dicts |
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687 self._files = {} |
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688 self._flags = {} |
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689 if text: |
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690 def readsubtree(subdir, subm): |
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691 raise AssertionError('treemanifest constructor only accepts ' |
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692 'flat manifests') |
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693 self.parse(text, readsubtree) |
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694 self._dirty = True # Mark flat manifest dirty after parsing |
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695 |
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696 def _subpath(self, path): |
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697 return self._dir + path |
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698 |
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699 def __len__(self): |
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700 self._load() |
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701 size = len(self._files) |
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702 for m in self._dirs.values(): |
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703 size += m.__len__() |
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704 return size |
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|
705 |
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706 def __nonzero__(self): |
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707 # Faster than "__len() != 0" since it avoids loading sub-manifests |
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708 return not self._isempty() |
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|
709 |
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710 __bool__ = __nonzero__ |
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|
711 |
24551
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Drew Gottlieb <drgott@google.com>
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|
712 def _isempty(self): |
25222
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|
713 self._load() # for consistency; already loaded by all callers |
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|
714 return (not self._files and (not self._dirs or |
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cleanup: use __builtins__.all instead of util.all
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parents:
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|
715 all(m._isempty() for m in self._dirs.values()))) |
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|
716 |
26400
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Augie Fackler <augie@google.com>
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|
717 def __repr__(self): |
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718 return ('<treemanifest dir=%s, node=%s, loaded=%s, dirty=%s at 0x%x>' % |
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|
719 (self._dir, revlog.hex(self._node), |
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|
720 bool(self._loadfunc is _noop), |
26400
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|
721 self._dirty, id(self))) |
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|
722 |
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|
723 def dir(self): |
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|
724 '''The directory that this tree manifest represents, including a |
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|
725 trailing '/'. Empty string for the repo root directory.''' |
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|
726 return self._dir |
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|
727 |
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|
728 def node(self): |
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|
729 '''This node of this instance. nullid for unsaved instances. Should |
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|
730 be updated when the instance is read or written from a revlog. |
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|
731 ''' |
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|
732 assert not self._dirty |
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|
733 return self._node |
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|
734 |
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|
735 def setnode(self, node): |
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|
736 self._node = node |
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|
737 self._dirty = False |
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|
738 |
28206
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|
739 def iterentries(self): |
8ab91d9290ce
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|
740 self._load() |
32536
aa333c1982ab
manifest: use itertools.chain() instead of + for Python 3 compat
Augie Fackler <raf@durin42.com>
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diff
changeset
|
741 for p, n in sorted(itertools.chain(self._dirs.items(), |
aa333c1982ab
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diff
changeset
|
742 self._files.items())): |
28206
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diff
changeset
|
743 if p in self._files: |
8ab91d9290ce
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diff
changeset
|
744 yield self._subpath(p), n, self._flags.get(p, '') |
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diff
changeset
|
745 else: |
8ab91d9290ce
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diff
changeset
|
746 for x in n.iterentries(): |
8ab91d9290ce
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diff
changeset
|
747 yield x |
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diff
changeset
|
748 |
32550
b98199a5c3e1
cleanup: rename all iteritems methods to items and add iteritems alias
Augie Fackler <raf@durin42.com>
parents:
32536
diff
changeset
|
749 def items(self): |
25222
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|
750 self._load() |
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diff
changeset
|
751 for p, n in sorted(itertools.chain(self._dirs.items(), |
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|
752 self._files.items())): |
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|
753 if p in self._files: |
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|
754 yield self._subpath(p), n |
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|
755 else: |
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changeset
|
756 for f, sn in n.iteritems(): |
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|
757 yield f, sn |
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changeset
|
758 |
32550
b98199a5c3e1
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Augie Fackler <raf@durin42.com>
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32536
diff
changeset
|
759 iteritems = items |
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diff
changeset
|
760 |
24401
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changeset
|
761 def iterkeys(self): |
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changeset
|
762 self._load() |
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changeset
|
763 for p in sorted(itertools.chain(self._dirs, self._files)): |
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changeset
|
764 if p in self._files: |
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changeset
|
765 yield self._subpath(p) |
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changeset
|
766 else: |
35586
fbf1a5d680ea
py3: don't use dict.iterkeys()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34345
diff
changeset
|
767 for f in self._dirs[p]: |
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changeset
|
768 yield f |
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changeset
|
769 |
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changeset
|
770 def keys(self): |
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changeset
|
771 return list(self.iterkeys()) |
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changeset
|
772 |
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changeset
|
773 def __iter__(self): |
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changeset
|
774 return self.iterkeys() |
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changeset
|
775 |
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changeset
|
776 def __contains__(self, f): |
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changeset
|
777 if f is None: |
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changeset
|
778 return False |
25222
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|
779 self._load() |
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changeset
|
780 dir, subpath = _splittopdir(f) |
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diff
changeset
|
781 if dir: |
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diff
changeset
|
782 if dir not in self._dirs: |
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changeset
|
783 return False |
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changeset
|
784 return self._dirs[dir].__contains__(subpath) |
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changeset
|
785 else: |
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changeset
|
786 return f in self._files |
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diff
changeset
|
787 |
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diff
changeset
|
788 def get(self, f, default=None): |
25222
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|
789 self._load() |
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790 dir, subpath = _splittopdir(f) |
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791 if dir: |
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792 if dir not in self._dirs: |
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|
793 return default |
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|
794 return self._dirs[dir].get(subpath, default) |
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|
795 else: |
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796 return self._files.get(f, default) |
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|
797 |
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798 def __getitem__(self, f): |
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799 self._load() |
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800 dir, subpath = _splittopdir(f) |
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801 if dir: |
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|
802 return self._dirs[dir].__getitem__(subpath) |
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|
803 else: |
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804 return self._files[f] |
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|
805 |
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|
806 def flags(self, f): |
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807 self._load() |
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808 dir, subpath = _splittopdir(f) |
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|
809 if dir: |
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|
810 if dir not in self._dirs: |
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|
811 return '' |
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812 return self._dirs[dir].flags(subpath) |
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|
813 else: |
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|
814 if f in self._dirs: |
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|
815 return '' |
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|
816 return self._flags.get(f, '') |
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|
817 |
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818 def find(self, f): |
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819 self._load() |
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820 dir, subpath = _splittopdir(f) |
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|
821 if dir: |
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822 return self._dirs[dir].find(subpath) |
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823 else: |
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|
824 return self._files[f], self._flags.get(f, '') |
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|
825 |
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|
826 def __delitem__(self, f): |
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|
827 self._load() |
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828 dir, subpath = _splittopdir(f) |
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|
829 if dir: |
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830 self._dirs[dir].__delitem__(subpath) |
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|
831 # If the directory is now empty, remove it |
24551
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treemanifest: add treemanifest._isempty()
Drew Gottlieb <drgott@google.com>
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|
832 if self._dirs[dir]._isempty(): |
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833 del self._dirs[dir] |
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|
834 else: |
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|
835 del self._files[f] |
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|
836 if f in self._flags: |
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|
837 del self._flags[f] |
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|
838 self._dirty = True |
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|
839 |
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840 def __setitem__(self, f, n): |
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|
841 assert n is not None |
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842 self._load() |
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843 dir, subpath = _splittopdir(f) |
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|
844 if dir: |
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|
845 if dir not in self._dirs: |
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|
846 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
847 self._dirs[dir].__setitem__(subpath, n) |
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|
848 else: |
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treemanifest: drop 22nd byte for consistency with manifestdict
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diff
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|
849 self._files[f] = n[:21] # to match manifestdict's behavior |
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850 self._dirty = True |
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|
851 |
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|
852 def _load(self): |
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|
853 if self._loadfunc is not _noop: |
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|
854 lf, self._loadfunc = self._loadfunc, _noop |
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|
855 lf(self) |
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|
856 elif self._copyfunc is not _noop: |
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|
857 cf, self._copyfunc = self._copyfunc, _noop |
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|
858 cf(self) |
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|
859 |
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|
860 def setflag(self, f, flags): |
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861 """Set the flags (symlink, executable) for path f.""" |
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862 self._load() |
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863 dir, subpath = _splittopdir(f) |
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|
864 if dir: |
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|
865 if dir not in self._dirs: |
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|
866 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
867 self._dirs[dir].setflag(subpath, flags) |
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|
868 else: |
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|
869 self._flags[f] = flags |
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870 self._dirty = True |
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871 |
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|
872 def copy(self): |
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873 copy = treemanifest(self._dir) |
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|
874 copy._node = self._node |
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875 copy._dirty = self._dirty |
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876 if self._copyfunc is _noop: |
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|
877 def _copyfunc(s): |
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878 self._load() |
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879 for d in self._dirs: |
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|
880 s._dirs[d] = self._dirs[d].copy() |
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881 s._files = dict.copy(self._files) |
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882 s._flags = dict.copy(self._flags) |
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883 if self._loadfunc is _noop: |
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|
884 _copyfunc(copy) |
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885 else: |
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|
886 copy._copyfunc = _copyfunc |
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887 else: |
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|
888 copy._copyfunc = self._copyfunc |
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889 return copy |
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|
890 |
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|
891 def filesnotin(self, m2, match=None): |
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892 '''Set of files in this manifest that are not in the other''' |
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|
893 if match: |
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|
894 m1 = self.matches(match) |
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|
895 m2 = m2.matches(match) |
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896 return m1.filesnotin(m2) |
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|
897 |
24405
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changeset
|
898 files = set() |
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changeset
|
899 def _filesnotin(t1, t2): |
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900 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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|
901 return |
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|
902 t1._load() |
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|
903 t2._load() |
24405
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diff
changeset
|
904 for d, m1 in t1._dirs.iteritems(): |
cbe9d50d9e65
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Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
905 if d in t2._dirs: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
906 m2 = t2._dirs[d] |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
907 _filesnotin(m1, m2) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
908 else: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
909 files.update(m1.iterkeys()) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
910 |
36300
413c179cf7d5
manifest: correct the one use of iterkeys() on a dict
Augie Fackler <augie@google.com>
parents:
36174
diff
changeset
|
911 for fn in t1._files: |
24405
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
912 if fn not in t2._files: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
913 files.add(t1._subpath(fn)) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
914 |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
915 _filesnotin(self, m2) |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
916 return files |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
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diff
changeset
|
917 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
918 @propertycache |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
919 def _alldirs(self): |
24635
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24600
diff
changeset
|
920 return util.dirs(self) |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
921 |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
922 def dirs(self): |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
923 return self._alldirs |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
924 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
925 def hasdir(self, dir): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
926 self._load() |
24406
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
927 topdir, subdir = _splittopdir(dir) |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
928 if topdir: |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
929 if topdir in self._dirs: |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
930 return self._dirs[topdir].hasdir(subdir) |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
931 return False |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
932 return (dir + '/') in self._dirs |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
933 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
934 def walk(self, match): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
935 '''Generates matching file names. |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
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diff
changeset
|
936 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
937 Equivalent to manifest.matches(match).iterkeys(), but without creating |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
938 an entirely new manifest. |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
939 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
940 It also reports nonexistent files by marking them bad with match.bad(). |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
941 ''' |
24683
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
942 if match.always(): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
943 for f in iter(self): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
944 yield f |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
945 return |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
946 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
947 fset = set(match.files()) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
948 |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
949 for fn in self._walk(match): |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
950 if fn in fset: |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
951 # specified pattern is the exact name |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
952 fset.remove(fn) |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
953 yield fn |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
954 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
955 # for dirstate.walk, files=['.'] means "walk the whole tree". |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
956 # follow that here, too |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
957 fset.discard('.') |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
958 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
959 for fn in sorted(fset): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
960 if not self.hasdir(fn): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
961 match.bad(fn, None) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
962 |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
963 def _walk(self, match): |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
964 '''Recursively generates matching file names for walk().''' |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
965 if not match.visitdir(self._dir[:-1] or '.'): |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
966 return |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
967 |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
968 # yield this dir's files and walk its submanifests |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
969 self._load() |
36301
5245bac09e6a
manifest: use list(dict) instead of dict.keys() to get a list of keys
Augie Fackler <augie@google.com>
parents:
36300
diff
changeset
|
970 for p in sorted(list(self._dirs) + list(self._files)): |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
971 if p in self._files: |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
972 fullp = self._subpath(p) |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
973 if match(fullp): |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
974 yield fullp |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
975 else: |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
976 for f in self._dirs[p]._walk(match): |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
977 yield f |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
978 |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
979 def matches(self, match): |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
980 '''generate a new manifest filtered by the match argument''' |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
981 if match.always(): |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
982 return self.copy() |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
983 |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
984 return self._matches(match) |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
985 |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
986 def _matches(self, match): |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
987 '''recursively generate a new manifest filtered by the match argument. |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
988 ''' |
27343
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
989 |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
990 visit = match.visitdir(self._dir[:-1] or '.') |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
991 if visit == 'all': |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
992 return self.copy() |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
993 ret = treemanifest(self._dir) |
27343
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
994 if not visit: |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
995 return ret |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
996 |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
997 self._load() |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
998 for fn in self._files: |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
999 fullp = self._subpath(fn) |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1000 if not match(fullp): |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1001 continue |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1002 ret._files[fn] = self._files[fn] |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1003 if fn in self._flags: |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1004 ret._flags[fn] = self._flags[fn] |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1005 |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1006 for dir, subm in self._dirs.iteritems(): |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
1007 m = subm._matches(match) |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1008 if not m._isempty(): |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1009 ret._dirs[dir] = m |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1010 |
25220
f0fbd88b21fb
treemanifest: speed up diff by keeping track of dirty nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
25188
diff
changeset
|
1011 if not ret._isempty(): |
f0fbd88b21fb
treemanifest: speed up diff by keeping track of dirty nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
25188
diff
changeset
|
1012 ret._dirty = True |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1013 return ret |
24401
e6e023d57e94
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parents:
24396
diff
changeset
|
1014 |
31255
959ebff3505a
manifest: add match argument to diff and filesnotin
Durham Goode <durham@fb.com>
parents:
31153
diff
changeset
|
1015 def diff(self, m2, match=None, clean=False): |
24401
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
1016 '''Finds changes between the current manifest and m2. |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
1017 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
1018 Args: |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
1019 m2: the manifest to which this manifest should be compared. |
e6e023d57e94
treemanifest: create treemanifest class
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parents:
24396
diff
changeset
|
1020 clean: if true, include files unchanged between these manifests |
e6e023d57e94
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Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
1021 with a None value in the returned dictionary. |
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1022 |
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1023 The result is returned as a dict with filename as key and |
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1024 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
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1025 nodeid in the current/other manifest and fl1/fl2 is the flag |
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1026 in the current/other manifest. Where the file does not exist, |
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1027 the nodeid will be None and the flags will be the empty |
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1028 string. |
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1029 ''' |
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1030 if match: |
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1031 m1 = self.matches(match) |
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1032 m2 = m2.matches(match) |
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1033 return m1.diff(m2, clean=clean) |
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1034 result = {} |
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1035 emptytree = treemanifest() |
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1036 def _diff(t1, t2): |
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1037 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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1038 return |
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1039 t1._load() |
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1040 t2._load() |
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1041 for d, m1 in t1._dirs.iteritems(): |
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1042 m2 = t2._dirs.get(d, emptytree) |
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1043 _diff(m1, m2) |
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1044 |
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1045 for d, m2 in t2._dirs.iteritems(): |
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1046 if d not in t1._dirs: |
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1047 _diff(emptytree, m2) |
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1048 |
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1049 for fn, n1 in t1._files.iteritems(): |
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1050 fl1 = t1._flags.get(fn, '') |
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1051 n2 = t2._files.get(fn, None) |
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1052 fl2 = t2._flags.get(fn, '') |
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1053 if n1 != n2 or fl1 != fl2: |
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1054 result[t1._subpath(fn)] = ((n1, fl1), (n2, fl2)) |
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1055 elif clean: |
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1056 result[t1._subpath(fn)] = None |
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1057 |
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1058 for fn, n2 in t2._files.iteritems(): |
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1059 if fn not in t1._files: |
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1060 fl2 = t2._flags.get(fn, '') |
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1061 result[t2._subpath(fn)] = ((None, ''), (n2, fl2)) |
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1062 |
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1063 _diff(self, m2) |
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1064 return result |
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1065 |
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1066 def unmodifiedsince(self, m2): |
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1067 return not self._dirty and not m2._dirty and self._node == m2._node |
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1068 |
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1069 def parse(self, text, readsubtree): |
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1070 for f, n, fl in _parse(text): |
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1071 if fl == 't': |
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1072 f = f + '/' |
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1073 self._dirs[f] = readsubtree(self._subpath(f), n) |
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1074 elif '/' in f: |
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1075 # This is a flat manifest, so use __setitem__ and setflag rather |
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1076 # than assigning directly to _files and _flags, so we can |
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1077 # assign a path in a subdirectory, and to mark dirty (compared |
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1078 # to nullid). |
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1079 self[f] = n |
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1080 if fl: |
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1081 self.setflag(f, fl) |
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1082 else: |
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1083 # Assigning to _files and _flags avoids marking as dirty, |
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1084 # and should be a little faster. |
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1085 self._files[f] = n |
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1086 if fl: |
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1087 self._flags[f] = fl |
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1088 |
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1089 def text(self): |
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1090 """Get the full data of this manifest as a bytestring.""" |
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1091 self._load() |
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1092 return _text(self.iterentries()) |
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1093 |
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1094 def dirtext(self): |
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1095 """Get the full data of this directory as a bytestring. Make sure that |
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1096 any submanifests have been written first, so their nodeids are correct. |
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1097 """ |
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1098 self._load() |
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1099 flags = self.flags |
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1100 dirs = [(d[:-1], self._dirs[d]._node, 't') for d in self._dirs] |
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1101 files = [(f, self._files[f], flags(f)) for f in self._files] |
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1102 return _text(sorted(dirs + files)) |
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1103 |
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1104 def read(self, gettext, readsubtree): |
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1105 def _load_for_read(s): |
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1106 s.parse(gettext(), readsubtree) |
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1107 s._dirty = False |
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1108 self._loadfunc = _load_for_read |
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1109 |
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1110 def writesubtrees(self, m1, m2, writesubtree): |
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1111 self._load() # for consistency; should never have any effect here |
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1112 m1._load() |
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1113 m2._load() |
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1114 emptytree = treemanifest() |
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1115 for d, subm in self._dirs.iteritems(): |
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1116 subp1 = m1._dirs.get(d, emptytree)._node |
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1117 subp2 = m2._dirs.get(d, emptytree)._node |
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1118 if subp1 == revlog.nullid: |
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1119 subp1, subp2 = subp2, subp1 |
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1120 writesubtree(subm, subp1, subp2) |
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1121 |
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1122 def walksubtrees(self, matcher=None): |
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1123 """Returns an iterator of the subtrees of this manifest, including this |
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1124 manifest itself. |
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1125 |
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1126 If `matcher` is provided, it only returns subtrees that match. |
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1127 """ |
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1128 if matcher and not matcher.visitdir(self._dir[:-1] or '.'): |
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1129 return |
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1130 if not matcher or matcher(self._dir[:-1]): |
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1131 yield self |
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1132 |
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1133 self._load() |
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1134 for d, subm in self._dirs.iteritems(): |
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1135 for subtree in subm.walksubtrees(matcher=matcher): |
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1136 yield subtree |
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1137 |
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1138 class manifestrevlog(revlog.revlog): |
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1139 '''A revlog that stores manifest texts. This is responsible for caching the |
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1140 full-text manifest contents. |
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1141 ''' |
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1142 def __init__(self, opener, dir='', dirlogcache=None, indexfile=None, |
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1143 treemanifest=False): |
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1144 """Constructs a new manifest revlog |
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1145 |
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1146 `indexfile` - used by extensions to have two manifests at once, like |
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1147 when transitioning between flatmanifeset and treemanifests. |
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1148 |
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1149 `treemanifest` - used to indicate this is a tree manifest revlog. Opener |
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1150 options can also be used to make this a tree manifest revlog. The opener |
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1151 option takes precedence, so if it is set to True, we ignore whatever |
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1152 value is passed in to the constructor. |
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1153 """ |
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1154 # During normal operations, we expect to deal with not more than four |
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1155 # revs at a time (such as during commit --amend). When rebasing large |
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1156 # stacks of commits, the number can go up, hence the config knob below. |
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1157 cachesize = 4 |
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1158 optiontreemanifest = False |
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1159 opts = getattr(opener, 'options', None) |
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1160 if opts is not None: |
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1161 cachesize = opts.get('manifestcachesize', cachesize) |
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1162 optiontreemanifest = opts.get('treemanifest', False) |
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1163 |
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1164 self._treeondisk = optiontreemanifest or treemanifest |
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1165 |
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1166 self._fulltextcache = util.lrucachedict(cachesize) |
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1167 |
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1168 if dir: |
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1169 assert self._treeondisk, 'opts is %r' % opts |
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1170 |
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1171 if indexfile is None: |
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1172 indexfile = '00manifest.i' |
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1173 if dir: |
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1174 indexfile = "meta/" + dir + indexfile |
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1175 |
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1176 self._dir = dir |
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1177 # The dirlogcache is kept on the root manifest log |
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1178 if dir: |
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1179 self._dirlogcache = dirlogcache |
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1180 else: |
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1181 self._dirlogcache = {'': self} |
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1182 |
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1183 super(manifestrevlog, self).__init__(opener, indexfile, |
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1184 # only root indexfile is cached |
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1185 checkambig=not bool(dir), |
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1186 mmaplargeindex=True) |
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1187 |
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1188 @property |
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1189 def fulltextcache(self): |
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1190 return self._fulltextcache |
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1191 |
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1192 def clearcaches(self): |
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1193 super(manifestrevlog, self).clearcaches() |
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1194 self._fulltextcache.clear() |
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1195 self._dirlogcache = {'': self} |
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1196 |
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1197 def dirlog(self, d): |
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1198 if d: |
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1199 assert self._treeondisk |
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1200 if d not in self._dirlogcache: |
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1201 mfrevlog = manifestrevlog(self.opener, d, |
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1202 self._dirlogcache, |
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1203 treemanifest=self._treeondisk) |
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1204 self._dirlogcache[d] = mfrevlog |
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1205 return self._dirlogcache[d] |
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1206 |
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1207 def add(self, m, transaction, link, p1, p2, added, removed, readtree=None): |
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1208 if p1 in self.fulltextcache and util.safehasattr(m, 'fastdelta'): |
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1209 # If our first parent is in the manifest cache, we can |
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1210 # compute a delta here using properties we know about the |
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1211 # manifest up-front, which may save time later for the |
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1212 # revlog layer. |
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1213 |
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1214 _checkforbidden(added) |
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1215 # combine the changed lists into one sorted iterator |
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1216 work = heapq.merge([(x, False) for x in added], |
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1217 [(x, True) for x in removed]) |
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1218 |
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1219 arraytext, deltatext = m.fastdelta(self.fulltextcache[p1], work) |
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1220 cachedelta = self.rev(p1), deltatext |
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1221 text = util.buffer(arraytext) |
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1222 n = self.addrevision(text, transaction, link, p1, p2, cachedelta) |
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1223 else: |
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1224 # The first parent manifest isn't already loaded, so we'll |
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1225 # just encode a fulltext of the manifest and pass that |
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1226 # through to the revlog layer, and let it handle the delta |
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1227 # process. |
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1228 if self._treeondisk: |
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1229 assert readtree, "readtree must be set for treemanifest writes" |
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1230 m1 = readtree(self._dir, p1) |
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1231 m2 = readtree(self._dir, p2) |
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1232 n = self._addtree(m, transaction, link, m1, m2, readtree) |
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1233 arraytext = None |
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1234 else: |
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1235 text = m.text() |
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1236 n = self.addrevision(text, transaction, link, p1, p2) |
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1237 arraytext = bytearray(text) |
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1238 |
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1239 if arraytext is not None: |
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1240 self.fulltextcache[n] = arraytext |
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1241 |
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1242 return n |
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1243 |
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1244 def _addtree(self, m, transaction, link, m1, m2, readtree): |
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1245 # If the manifest is unchanged compared to one parent, |
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1246 # don't write a new revision |
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1247 if self._dir != '' and (m.unmodifiedsince(m1) or m.unmodifiedsince(m2)): |
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|
1248 return m.node() |
774a15b129e8
manifest: move manifest.add onto manifestrevlog
Durham Goode <durham@fb.com>
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|
1249 def writesubtree(subm, subp1, subp2): |
774a15b129e8
manifest: move manifest.add onto manifestrevlog
Durham Goode <durham@fb.com>
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diff
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|
1250 sublog = self.dirlog(subm.dir()) |
30368
ed45283a0ca7
manifest: remove dependency on manifestrevlog being able to create trees
Durham Goode <durham@fb.com>
parents:
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diff
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|
1251 sublog.add(subm, transaction, link, subp1, subp2, None, None, |
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manifest: remove dependency on manifestrevlog being able to create trees
Durham Goode <durham@fb.com>
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|
1252 readtree=readtree) |
29961
774a15b129e8
manifest: move manifest.add onto manifestrevlog
Durham Goode <durham@fb.com>
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diff
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|
1253 m.writesubtrees(m1, m2, writesubtree) |
36373
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
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diff
changeset
|
1254 text = m.dirtext() |
31294
c134a33b1d73
treemanifest: make node reuse match flat manifest behavior
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diff
changeset
|
1255 n = None |
c134a33b1d73
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diff
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|
1256 if self._dir != '': |
c134a33b1d73
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Durham Goode <durham@fb.com>
parents:
31255
diff
changeset
|
1257 # Double-check whether contents are unchanged to one parent |
36373
0147a4730420
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Augie Fackler <augie@google.com>
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36301
diff
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|
1258 if text == m1.dirtext(): |
31294
c134a33b1d73
treemanifest: make node reuse match flat manifest behavior
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diff
changeset
|
1259 n = m1.node() |
36373
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1260 elif text == m2.dirtext(): |
31294
c134a33b1d73
treemanifest: make node reuse match flat manifest behavior
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31255
diff
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|
1261 n = m2.node() |
c134a33b1d73
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diff
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|
1262 |
c134a33b1d73
treemanifest: make node reuse match flat manifest behavior
Durham Goode <durham@fb.com>
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31255
diff
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|
1263 if not n: |
29961
774a15b129e8
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Durham Goode <durham@fb.com>
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diff
changeset
|
1264 n = self.addrevision(text, transaction, link, m1.node(), m2.node()) |
31294
c134a33b1d73
treemanifest: make node reuse match flat manifest behavior
Durham Goode <durham@fb.com>
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diff
changeset
|
1265 |
29961
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|
1266 # Save nodeid so parent manifest can calculate its nodeid |
774a15b129e8
manifest: move manifest.add onto manifestrevlog
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diff
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|
1267 m.setnode(n) |
774a15b129e8
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|
1268 return n |
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diff
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|
1269 |
38530
c82ea938efbb
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
1270 @interfaceutil.implementer(repository.imanifestlog) |
29825
426d931e5db2
manifest: introduce manifestlog and manifestctx classes
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parents:
29824
diff
changeset
|
1271 class manifestlog(object): |
426d931e5db2
manifest: introduce manifestlog and manifestctx classes
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diff
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|
1272 """A collection class representing the collection of manifest snapshots |
426d931e5db2
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diff
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|
1273 referenced by commits in the repository. |
426d931e5db2
manifest: introduce manifestlog and manifestctx classes
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diff
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|
1274 |
426d931e5db2
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diff
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1275 In this situation, 'manifest' refers to the abstract concept of a snapshot |
426d931e5db2
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|
1276 of the list of files in the given commit. Consumers of the output of this |
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diff
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|
1277 class do not care about the implementation details of the actual manifests |
426d931e5db2
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diff
changeset
|
1278 they receive (i.e. tree or flat or lazily loaded, etc).""" |
29826
93b44aa17691
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parents:
29825
diff
changeset
|
1279 def __init__(self, opener, repo): |
29959
483003c27938
manifest: move treeinmem onto manifestlog
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diff
changeset
|
1280 usetreemanifest = False |
30372
7c7d845f8b64
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Durham Goode <durham@fb.com>
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30371
diff
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|
1281 cachesize = 4 |
29959
483003c27938
manifest: move treeinmem onto manifestlog
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diff
changeset
|
1282 |
483003c27938
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diff
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|
1283 opts = getattr(opener, 'options', None) |
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diff
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|
1284 if opts is not None: |
483003c27938
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diff
changeset
|
1285 usetreemanifest = opts.get('treemanifest', usetreemanifest) |
30372
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diff
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|
1286 cachesize = opts.get('manifestcachesize', cachesize) |
29959
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diff
changeset
|
1287 self._treeinmem = usetreemanifest |
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diff
changeset
|
1288 |
32195
9d3136638784
manifest: remove unused property _oldmanifest
Martin von Zweigbergk <martinvonz@google.com>
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32171
diff
changeset
|
1289 self._revlog = repo._constructmanifest() |
37373
c50078fc32f3
narrow: move manifestrevlog overrides to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
37372
diff
changeset
|
1290 self._narrowmatch = repo.narrowmatch() |
30219
3c8811efdddc
manifest: make manifestlog a storecache
Durham Goode <durham@fb.com>
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30209
diff
changeset
|
1291 |
30292
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Durham Goode <durham@fb.com>
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diff
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|
1292 # A cache of the manifestctx or treemanifestctx for each directory |
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diff
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|
1293 self._dirmancache = {} |
30372
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diff
changeset
|
1294 self._dirmancache[''] = util.lrucachedict(cachesize) |
30292
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diff
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|
1295 |
38510
561a450c7b64
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diff
changeset
|
1296 self._cachesize = cachesize |
29826
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diff
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|
1297 |
29825
426d931e5db2
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diff
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|
1298 def __getitem__(self, node): |
30290
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Durham Goode <durham@fb.com>
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diff
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|
1299 """Retrieves the manifest instance for the given node. Throws a |
1a0c1ad57833
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|
1300 LookupError if not found. |
29825
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diff
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|
1301 """ |
30291
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diff
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|
1302 return self.get('', node) |
29825
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|
1303 |
30403
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|
1304 def get(self, dir, node, verify=True): |
30291
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|
1305 """Retrieves the manifest instance for the given node. Throws a |
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|
1306 LookupError if not found. |
30403
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|
1307 |
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|
1308 `verify` - if True an exception will be thrown if the node is not in |
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diff
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|
1309 the revlog |
30291
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|
1310 """ |
30292
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diff
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|
1311 if node in self._dirmancache.get(dir, ()): |
32171
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diff
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|
1312 return self._dirmancache[dir][node] |
30292
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diff
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|
1313 |
37374
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diff
changeset
|
1314 if not self._narrowmatch.always(): |
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diff
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|
1315 if not self._narrowmatch.visitdir(dir[:-1] or '.'): |
ac42e39b1b77
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|
1316 return excludeddirmanifestctx(dir, node) |
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1317 if dir: |
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|
1318 if self._revlog._treeondisk: |
30403
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diff
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|
1319 if verify: |
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1320 dirlog = self._revlog.dirlog(dir) |
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|
1321 if node not in dirlog.nodemap: |
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|
1322 raise LookupError(node, dirlog.indexfile, |
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|
1323 _('no node')) |
31153
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diff
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|
1324 m = treemanifestctx(self, dir, node) |
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1325 else: |
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|
1326 raise error.Abort( |
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|
1327 _("cannot ask for manifest directory '%s' in a flat " |
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|
1328 "manifest") % dir) |
29907
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|
1329 else: |
30403
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changeset
|
1330 if verify: |
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|
1331 if node not in self._revlog.nodemap: |
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|
1332 raise LookupError(node, self._revlog.indexfile, |
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|
1333 _('no node')) |
30291
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|
1334 if self._treeinmem: |
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|
1335 m = treemanifestctx(self, '', node) |
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1336 else: |
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|
1337 m = manifestctx(self, node) |
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|
1338 |
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|
1339 if node != revlog.nullid: |
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|
1340 mancache = self._dirmancache.get(dir) |
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changeset
|
1341 if not mancache: |
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|
1342 mancache = util.lrucachedict(self._cachesize) |
30292
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|
1343 self._dirmancache[dir] = mancache |
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|
1344 mancache[node] = m |
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|
1345 return m |
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|
1346 |
30370
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|
1347 def clearcaches(self): |
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|
1348 self._dirmancache.clear() |
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|
1349 self._revlog.clearcaches() |
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|
1350 |
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diff
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|
1351 def rev(self, node): |
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|
1352 return self._revlog.rev(node) |
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diff
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|
1353 |
38556
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diff
changeset
|
1354 def addgroup(self, deltas, linkmapper, transaction): |
0db41eb0a3ac
manifest: define and implement addgroup() on manifestlog
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|
1355 return self._revlog.addgroup(deltas, linkmapper, transaction) |
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|
1356 |
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changeset
|
1357 @interfaceutil.implementer(repository.imanifestrevisionwritable) |
30342
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manifest: introduce memmanifestctx and memtreemanifestctx
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diff
changeset
|
1358 class memmanifestctx(object): |
31153
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|
1359 def __init__(self, manifestlog): |
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|
1360 self._manifestlog = manifestlog |
30342
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|
1361 self._manifestdict = manifestdict() |
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|
1362 |
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changeset
|
1363 def _revlog(self): |
31153
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|
1364 return self._manifestlog._revlog |
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1365 |
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1366 def new(self): |
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1367 return memmanifestctx(self._manifestlog) |
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1368 |
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1369 def copy(self): |
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1370 memmf = memmanifestctx(self._manifestlog) |
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1371 memmf._manifestdict = self.read().copy() |
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1372 return memmf |
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1373 |
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1374 def read(self): |
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1375 return self._manifestdict |
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1376 |
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1377 def write(self, transaction, link, p1, p2, added, removed): |
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1378 return self._revlog().add(self._manifestdict, transaction, link, p1, p2, |
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1379 added, removed) |
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1380 |
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1381 @interfaceutil.implementer(repository.imanifestrevisionstored) |
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1382 class manifestctx(object): |
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1383 """A class representing a single revision of a manifest, including its |
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1384 contents, its parent revs, and its linkrev. |
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1385 """ |
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1386 def __init__(self, manifestlog, node): |
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1387 self._manifestlog = manifestlog |
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1388 self._data = None |
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1389 |
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1390 self._node = node |
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1391 |
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1392 # TODO: We eventually want p1, p2, and linkrev exposed on this class, |
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1393 # but let's add it later when something needs it and we can load it |
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1394 # lazily. |
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1395 #self.p1, self.p2 = revlog.parents(node) |
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1396 #rev = revlog.rev(node) |
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1397 #self.linkrev = revlog.linkrev(rev) |
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1398 |
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1399 def _revlog(self): |
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1400 return self._manifestlog._revlog |
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1401 |
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1402 def node(self): |
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1403 return self._node |
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1404 |
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1405 def new(self): |
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1406 return memmanifestctx(self._manifestlog) |
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1407 |
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1408 def copy(self): |
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1409 memmf = memmanifestctx(self._manifestlog) |
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1410 memmf._manifestdict = self.read().copy() |
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1411 return memmf |
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1412 |
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1413 @propertycache |
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1414 def parents(self): |
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1415 return self._revlog().parents(self._node) |
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1416 |
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1417 def read(self): |
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1418 if self._data is None: |
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1419 if self._node == revlog.nullid: |
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1420 self._data = manifestdict() |
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1421 else: |
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1422 rl = self._revlog() |
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1423 text = rl.revision(self._node) |
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|
1424 arraytext = bytearray(text) |
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1425 rl._fulltextcache[self._node] = arraytext |
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1426 self._data = manifestdict(text) |
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1427 return self._data |
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1428 |
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1429 def readfast(self, shallow=False): |
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1430 '''Calls either readdelta or read, based on which would be less work. |
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1431 readdelta is called if the delta is against the p1, and therefore can be |
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1432 read quickly. |
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1433 |
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1434 If `shallow` is True, nothing changes since this is a flat manifest. |
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1435 ''' |
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1436 rl = self._revlog() |
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1437 r = rl.rev(self._node) |
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1438 deltaparent = rl.deltaparent(r) |
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1439 if deltaparent != revlog.nullrev and deltaparent in rl.parentrevs(r): |
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1440 return self.readdelta() |
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1441 return self.read() |
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1442 |
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1443 def readdelta(self, shallow=False): |
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1444 '''Returns a manifest containing just the entries that are present |
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1445 in this manifest, but not in its p1 manifest. This is efficient to read |
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1446 if the revlog delta is already p1. |
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1447 |
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1448 Changing the value of `shallow` has no effect on flat manifests. |
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|
1449 ''' |
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1450 revlog = self._revlog() |
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1451 r = revlog.rev(self._node) |
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1452 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r)) |
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1453 return manifestdict(d) |
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1454 |
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1455 def find(self, key): |
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1456 return self.read().find(key) |
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|
1457 |
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|
1458 @interfaceutil.implementer(repository.imanifestrevisionwritable) |
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|
1459 class memtreemanifestctx(object): |
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1460 def __init__(self, manifestlog, dir=''): |
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1461 self._manifestlog = manifestlog |
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1462 self._dir = dir |
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1463 self._treemanifest = treemanifest() |
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1464 |
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1465 def _revlog(self): |
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1466 return self._manifestlog._revlog |
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1467 |
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|
1468 def new(self, dir=''): |
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1469 return memtreemanifestctx(self._manifestlog, dir=dir) |
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1470 |
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1471 def copy(self): |
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1472 memmf = memtreemanifestctx(self._manifestlog, dir=self._dir) |
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1473 memmf._treemanifest = self._treemanifest.copy() |
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1474 return memmf |
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|
1475 |
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1476 def read(self): |
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1477 return self._treemanifest |
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1478 |
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|
1479 def write(self, transaction, link, p1, p2, added, removed): |
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|
1480 def readtree(dir, node): |
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|
1481 return self._manifestlog.get(dir, node).read() |
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1482 return self._revlog().add(self._treemanifest, transaction, link, p1, p2, |
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changeset
|
1483 added, removed, readtree=readtree) |
30345
fa54f7ade491
manifest: remove manifest.add and add memmfctx.write
Durham Goode <durham@fb.com>
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diff
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|
1484 |
38530
c82ea938efbb
repository: define manifest interfaces
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38510
diff
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|
1485 @interfaceutil.implementer(repository.imanifestrevisionstored) |
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|
1486 class treemanifestctx(object): |
31153
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manifest: remove _repo from manifestctx objects
Durham Goode <durham@fb.com>
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|
1487 def __init__(self, manifestlog, dir, node): |
5cab44fd1257
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|
1488 self._manifestlog = manifestlog |
29907
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|
1489 self._dir = dir |
29926
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manifest: change manifestctx to not inherit from manifestdict
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|
1490 self._data = None |
29907
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|
1491 |
4fb4fc331699
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|
1492 self._node = node |
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|
1493 |
4fb4fc331699
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|
1494 # TODO: Load p1/p2/linkrev lazily. They need to be lazily loaded so that |
4fb4fc331699
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diff
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|
1495 # we can instantiate treemanifestctx objects for directories we don't |
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|
1496 # have on disk. |
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|
1497 #self.p1, self.p2 = revlog.parents(node) |
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manifest: add treemanifestctx class
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|
1498 #rev = revlog.rev(node) |
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|
1499 #self.linkrev = revlog.linkrev(rev) |
4fb4fc331699
manifest: add treemanifestctx class
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diff
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|
1500 |
30221
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Durham Goode <durham@fb.com>
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|
1501 def _revlog(self): |
37373
c50078fc32f3
narrow: move manifestrevlog overrides to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
37372
diff
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|
1502 narrowmatch = self._manifestlog._narrowmatch |
c50078fc32f3
narrow: move manifestrevlog overrides to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
37372
diff
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|
1503 if not narrowmatch.always(): |
c50078fc32f3
narrow: move manifestrevlog overrides to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
37372
diff
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|
1504 if not narrowmatch.visitdir(self._dir[:-1] or '.'): |
c50078fc32f3
narrow: move manifestrevlog overrides to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
37372
diff
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|
1505 return excludedmanifestrevlog(self._dir) |
31153
5cab44fd1257
manifest: remove _repo from manifestctx objects
Durham Goode <durham@fb.com>
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diff
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|
1506 return self._manifestlog._revlog.dirlog(self._dir) |
30221
f2c5b9d48b29
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|
1507 |
29926
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Durham Goode <durham@fb.com>
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diff
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|
1508 def read(self): |
31097
4a1486c73fdf
manifest: check 'if x is None' instead of 'if not x'
Durham Goode <durham@fb.com>
parents:
30565
diff
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|
1509 if self._data is None: |
30221
f2c5b9d48b29
manifest: make treemanifestctx store the repo
Durham Goode <durham@fb.com>
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30220
diff
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|
1510 rl = self._revlog() |
29926
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manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
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|
1511 if self._node == revlog.nullid: |
be16091ac14d
manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
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|
1512 self._data = treemanifest() |
30221
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manifest: make treemanifestctx store the repo
Durham Goode <durham@fb.com>
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30220
diff
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|
1513 elif rl._treeondisk: |
29926
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manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
parents:
29916
diff
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|
1514 m = treemanifest(dir=self._dir) |
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manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
parents:
29916
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|
1515 def gettext(): |
30221
f2c5b9d48b29
manifest: make treemanifestctx store the repo
Durham Goode <durham@fb.com>
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|
1516 return rl.revision(self._node) |
29926
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manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
parents:
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diff
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|
1517 def readsubtree(dir, subm): |
30404
a1beadaa4061
manifest: change treemanifestctx to construct subtrees from the manifestlog
Durham Goode <durham@fb.com>
parents:
30403
diff
changeset
|
1518 # Set verify to False since we need to be able to create |
a1beadaa4061
manifest: change treemanifestctx to construct subtrees from the manifestlog
Durham Goode <durham@fb.com>
parents:
30403
diff
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|
1519 # subtrees for trees that don't exist on disk. |
31153
5cab44fd1257
manifest: remove _repo from manifestctx objects
Durham Goode <durham@fb.com>
parents:
31151
diff
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|
1520 return self._manifestlog.get(dir, subm, verify=False).read() |
29926
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manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
parents:
29916
diff
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|
1521 m.read(gettext, readsubtree) |
be16091ac14d
manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
parents:
29916
diff
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|
1522 m.setnode(self._node) |
be16091ac14d
manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
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29916
diff
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|
1523 self._data = m |
be16091ac14d
manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
parents:
29916
diff
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|
1524 else: |
30338
b0ca939414ea
treemanifest: fix a "treeinmem" case
Martin von Zweigbergk <martinvonz@google.com>
parents:
30331
diff
changeset
|
1525 text = rl.revision(self._node) |
31346
2a18e9e6ca43
py3: use bytearray() instead of array('c', ...) constructions
Augie Fackler <augie@google.com>
parents:
31294
diff
changeset
|
1526 arraytext = bytearray(text) |
30221
f2c5b9d48b29
manifest: make treemanifestctx store the repo
Durham Goode <durham@fb.com>
parents:
30220
diff
changeset
|
1527 rl.fulltextcache[self._node] = arraytext |
29926
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manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
parents:
29916
diff
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|
1528 self._data = treemanifest(dir=self._dir, text=text) |
be16091ac14d
manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
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29916
diff
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|
1529 |
be16091ac14d
manifest: change manifestctx to not inherit from manifestdict
Durham Goode <durham@fb.com>
parents:
29916
diff
changeset
|
1530 return self._data |
29907
4fb4fc331699
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diff
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|
1531 |
4fb4fc331699
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Durham Goode <durham@fb.com>
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29888
diff
changeset
|
1532 def node(self): |
4fb4fc331699
manifest: add treemanifestctx class
Durham Goode <durham@fb.com>
parents:
29888
diff
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|
1533 return self._node |
4fb4fc331699
manifest: add treemanifestctx class
Durham Goode <durham@fb.com>
parents:
29888
diff
changeset
|
1534 |
30342
fe1ee393de78
manifest: introduce memmanifestctx and memtreemanifestctx
Durham Goode <durham@fb.com>
parents:
30341
diff
changeset
|
1535 def new(self, dir=''): |
31153
5cab44fd1257
manifest: remove _repo from manifestctx objects
Durham Goode <durham@fb.com>
parents:
31151
diff
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|
1536 return memtreemanifestctx(self._manifestlog, dir=dir) |
30342
fe1ee393de78
manifest: introduce memmanifestctx and memtreemanifestctx
Durham Goode <durham@fb.com>
parents:
30341
diff
changeset
|
1537 |
30343
952e1916ae56
manifest: add copy to mfctx classes
Durham Goode <durham@fb.com>
parents:
30342
diff
changeset
|
1538 def copy(self): |
31153
5cab44fd1257
manifest: remove _repo from manifestctx objects
Durham Goode <durham@fb.com>
parents:
31151
diff
changeset
|
1539 memmf = memtreemanifestctx(self._manifestlog, dir=self._dir) |
30343
952e1916ae56
manifest: add copy to mfctx classes
Durham Goode <durham@fb.com>
parents:
30342
diff
changeset
|
1540 memmf._treemanifest = self.read().copy() |
952e1916ae56
manifest: add copy to mfctx classes
Durham Goode <durham@fb.com>
parents:
30342
diff
changeset
|
1541 return memmf |
952e1916ae56
manifest: add copy to mfctx classes
Durham Goode <durham@fb.com>
parents:
30342
diff
changeset
|
1542 |
30565
7fbc8a742b4d
manifest: expose the parents() method
Mateusz Kwapich <mitrandir@fb.com>
parents:
30443
diff
changeset
|
1543 @propertycache |
7fbc8a742b4d
manifest: expose the parents() method
Mateusz Kwapich <mitrandir@fb.com>
parents:
30443
diff
changeset
|
1544 def parents(self): |
7fbc8a742b4d
manifest: expose the parents() method
Mateusz Kwapich <mitrandir@fb.com>
parents:
30443
diff
changeset
|
1545 return self._revlog().parents(self._node) |
7fbc8a742b4d
manifest: expose the parents() method
Mateusz Kwapich <mitrandir@fb.com>
parents:
30443
diff
changeset
|
1546 |
30293
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1547 def readdelta(self, shallow=False): |
30295
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1548 '''Returns a manifest containing just the entries that are present |
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1549 in this manifest, but not in its p1 manifest. This is efficient to read |
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1550 if the revlog delta is already p1. |
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1551 |
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1552 If `shallow` is True, this will read the delta for this directory, |
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1553 without recursively reading subdirectory manifests. Instead, any |
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1554 subdirectory entry will be reported as it appears in the manifest, i.e. |
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1555 the subdirectory will be reported among files and distinguished only by |
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1556 its 't' flag. |
f65faa4422c8
manifest: remove manifest.readshallowdelta
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
1557 ''' |
30221
f2c5b9d48b29
manifest: make treemanifestctx store the repo
Durham Goode <durham@fb.com>
parents:
30220
diff
changeset
|
1558 revlog = self._revlog() |
36373
0147a4730420
cleanup: say goodbye to manifestv2 format
Augie Fackler <augie@google.com>
parents:
36301
diff
changeset
|
1559 if shallow: |
30293
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1560 r = revlog.rev(self._node) |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1561 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r)) |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1562 return manifestdict(d) |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1563 else: |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1564 # Need to perform a slow delta |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1565 r0 = revlog.deltaparent(revlog.rev(self._node)) |
31153
5cab44fd1257
manifest: remove _repo from manifestctx objects
Durham Goode <durham@fb.com>
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31151
diff
changeset
|
1566 m0 = self._manifestlog.get(self._dir, revlog.node(r0)).read() |
30293
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1567 m1 = self.read() |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1568 md = treemanifest(dir=self._dir) |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1569 for f, ((n0, fl0), (n1, fl1)) in m0.diff(m1).iteritems(): |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
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30292
diff
changeset
|
1570 if n1: |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1571 md[f] = n1 |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
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30292
diff
changeset
|
1572 if fl1: |
78f3c7166f0d
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Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1573 md.setflag(f, fl1) |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1574 return md |
29938
a059b17352ef
manifest: add manifestctx.readdelta()
Durham Goode <durham@fb.com>
parents:
29926
diff
changeset
|
1575 |
30293
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1576 def readfast(self, shallow=False): |
30294
bce79dfcf5e4
manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
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30293
diff
changeset
|
1577 '''Calls either readdelta or read, based on which would be less work. |
bce79dfcf5e4
manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
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30293
diff
changeset
|
1578 readdelta is called if the delta is against the p1, and therefore can be |
bce79dfcf5e4
manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
parents:
30293
diff
changeset
|
1579 read quickly. |
bce79dfcf5e4
manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
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30293
diff
changeset
|
1580 |
bce79dfcf5e4
manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
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30293
diff
changeset
|
1581 If `shallow` is True, it only returns the entries from this manifest, |
bce79dfcf5e4
manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
parents:
30293
diff
changeset
|
1582 and not any submanifests. |
bce79dfcf5e4
manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
parents:
30293
diff
changeset
|
1583 ''' |
30221
f2c5b9d48b29
manifest: make treemanifestctx store the repo
Durham Goode <durham@fb.com>
parents:
30220
diff
changeset
|
1584 rl = self._revlog() |
29939
80be4436e4cc
manifest: adds manifestctx.readfast
Durham Goode <durham@fb.com>
parents:
29938
diff
changeset
|
1585 r = rl.rev(self._node) |
80be4436e4cc
manifest: adds manifestctx.readfast
Durham Goode <durham@fb.com>
parents:
29938
diff
changeset
|
1586 deltaparent = rl.deltaparent(r) |
30293
78f3c7166f0d
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Durham Goode <durham@fb.com>
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30292
diff
changeset
|
1587 if (deltaparent != revlog.nullrev and |
78f3c7166f0d
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Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1588 deltaparent in rl.parentrevs(r)): |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1589 return self.readdelta(shallow=shallow) |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
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30292
diff
changeset
|
1590 |
78f3c7166f0d
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Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1591 if shallow: |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1592 return manifestdict(rl.revision(self._node)) |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1593 else: |
78f3c7166f0d
manifest: add shallow option to treemanifestctx.readdelta and readfast
Durham Goode <durham@fb.com>
parents:
30292
diff
changeset
|
1594 return self.read() |
29939
80be4436e4cc
manifest: adds manifestctx.readfast
Durham Goode <durham@fb.com>
parents:
29938
diff
changeset
|
1595 |
30340
608ba935e041
manifest: remove manifest.find
Durham Goode <durham@fb.com>
parents:
30338
diff
changeset
|
1596 def find(self, key): |
608ba935e041
manifest: remove manifest.find
Durham Goode <durham@fb.com>
parents:
30338
diff
changeset
|
1597 return self.read().find(key) |
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1598 |
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1599 class excludeddir(treemanifest): |
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1600 """Stand-in for a directory that is excluded from the repository. |
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1601 |
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1602 With narrowing active on a repository that uses treemanifests, |
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1603 some of the directory revlogs will be excluded from the resulting |
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1604 clone. This is a huge storage win for clients, but means we need |
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1605 some sort of pseudo-manifest to surface to internals so we can |
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1606 detect a merge conflict outside the narrowspec. That's what this |
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1607 class is: it stands in for a directory whose node is known, but |
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1608 whose contents are unknown. |
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1609 """ |
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1610 def __init__(self, dir, node): |
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1611 super(excludeddir, self).__init__(dir) |
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1612 self._node = node |
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1613 # Add an empty file, which will be included by iterators and such, |
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1614 # appearing as the directory itself (i.e. something like "dir/") |
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1615 self._files[''] = node |
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1616 self._flags[''] = 't' |
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1617 |
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1618 # Manifests outside the narrowspec should never be modified, so avoid |
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1619 # copying. This makes a noticeable difference when there are very many |
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1620 # directories outside the narrowspec. Also, it makes sense for the copy to |
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1621 # be of the same type as the original, which would not happen with the |
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1622 # super type's copy(). |
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1623 def copy(self): |
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1624 return self |
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1625 |
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1626 class excludeddirmanifestctx(treemanifestctx): |
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1627 """context wrapper for excludeddir - see that docstring for rationale""" |
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1628 def __init__(self, dir, node): |
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1629 self._dir = dir |
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1630 self._node = node |
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1631 |
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1632 def read(self): |
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1633 return excludeddir(self._dir, self._node) |
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1634 |
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1635 def write(self, *args): |
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1636 raise error.ProgrammingError( |
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1637 'attempt to write manifest from excluded dir %s' % self._dir) |
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1638 |
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1639 class excludedmanifestrevlog(manifestrevlog): |
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1640 """Stand-in for excluded treemanifest revlogs. |
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1641 |
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1642 When narrowing is active on a treemanifest repository, we'll have |
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1643 references to directories we can't see due to the revlog being |
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1644 skipped. This class exists to conform to the manifestrevlog |
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1645 interface for those directories and proactively prevent writes to |
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1646 outside the narrowspec. |
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1647 """ |
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1648 |
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1649 def __init__(self, dir): |
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1650 self._dir = dir |
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1651 |
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1652 def __len__(self): |
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1653 raise error.ProgrammingError( |
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1654 'attempt to get length of excluded dir %s' % self._dir) |
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1655 |
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1656 def rev(self, node): |
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1657 raise error.ProgrammingError( |
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1658 'attempt to get rev from excluded dir %s' % self._dir) |
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1659 |
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1660 def linkrev(self, node): |
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1661 raise error.ProgrammingError( |
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1662 'attempt to get linkrev from excluded dir %s' % self._dir) |
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1663 |
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1664 def node(self, rev): |
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1665 raise error.ProgrammingError( |
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1666 'attempt to get node from excluded dir %s' % self._dir) |
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1667 |
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1668 def add(self, *args, **kwargs): |
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1669 # We should never write entries in dirlogs outside the narrow clone. |
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1670 # However, the method still gets called from writesubtree() in |
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1671 # _addtree(), so we need to handle it. We should possibly make that |
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1672 # avoid calling add() with a clean manifest (_dirty is always False |
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1673 # in excludeddir instances). |
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1674 pass |