Mercurial > hg
annotate mercurial/manifest.py @ 28238:b57d45ec33b2
test: update test-bundle2-format.t comment
Now that bundle2 is used by default for all exchanges, this comment is obviously
out of date. Having deep testing of the API and expected behavior of the format
and its processing is still valuable, so the comment is updated.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Thu, 25 Feb 2016 10:34:31 +0100 |
parents | f7c5c7847b53 |
children | 1ac8ce137377 |
rev | line source |
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1089 | 1 # manifest.py - manifest revision class for mercurial |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import array |
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11 import heapq |
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12 import os |
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13 import struct |
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14 |
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15 from .i18n import _ |
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16 from . import ( |
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17 error, |
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18 mdiff, |
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19 parsers, |
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20 revlog, |
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21 util, |
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22 ) |
79 | 23 |
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24 propertycache = util.propertycache |
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25 |
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26 def _parsev1(data): |
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27 # This method does a little bit of excessive-looking |
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28 # precondition checking. This is so that the behavior of this |
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29 # class exactly matches its C counterpart to try and help |
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30 # prevent surprise breakage for anyone that develops against |
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31 # the pure version. |
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32 if data and data[-1] != '\n': |
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33 raise ValueError('Manifest did not end in a newline.') |
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34 prev = None |
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35 for l in data.splitlines(): |
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36 if prev is not None and prev > l: |
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37 raise ValueError('Manifest lines not in sorted order.') |
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38 prev = l |
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39 f, n = l.split('\0') |
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40 if len(n) > 40: |
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41 yield f, revlog.bin(n[:40]), n[40:] |
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42 else: |
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43 yield f, revlog.bin(n), '' |
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44 |
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45 def _parsev2(data): |
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46 metadataend = data.find('\n') |
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47 # Just ignore metadata for now |
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48 pos = metadataend + 1 |
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49 prevf = '' |
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50 while pos < len(data): |
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51 end = data.find('\n', pos + 1) # +1 to skip stem length byte |
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52 if end == -1: |
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53 raise ValueError('Manifest ended with incomplete file entry.') |
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54 stemlen = ord(data[pos]) |
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55 items = data[pos + 1:end].split('\0') |
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56 f = prevf[:stemlen] + items[0] |
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57 if prevf > f: |
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58 raise ValueError('Manifest entries not in sorted order.') |
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59 fl = items[1] |
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60 # Just ignore metadata (items[2:] for now) |
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61 n = data[end + 1:end + 21] |
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62 yield f, n, fl |
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63 pos = end + 22 |
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64 prevf = f |
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65 |
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66 def _parse(data): |
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67 """Generates (path, node, flags) tuples from a manifest text""" |
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68 if data.startswith('\0'): |
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69 return iter(_parsev2(data)) |
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70 else: |
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71 return iter(_parsev1(data)) |
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72 |
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73 def _text(it, usemanifestv2): |
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74 """Given an iterator over (path, node, flags) tuples, returns a manifest |
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75 text""" |
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76 if usemanifestv2: |
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77 return _textv2(it) |
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78 else: |
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79 return _textv1(it) |
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80 |
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81 def _textv1(it): |
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82 files = [] |
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83 lines = [] |
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84 _hex = revlog.hex |
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85 for f, n, fl in it: |
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86 files.append(f) |
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87 # if this is changed to support newlines in filenames, |
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88 # be sure to check the templates/ dir again (especially *-raw.tmpl) |
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89 lines.append("%s\0%s%s\n" % (f, _hex(n), fl)) |
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90 |
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91 _checkforbidden(files) |
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92 return ''.join(lines) |
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93 |
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94 def _textv2(it): |
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95 files = [] |
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96 lines = ['\0\n'] |
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97 prevf = '' |
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98 for f, n, fl in it: |
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99 files.append(f) |
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100 stem = os.path.commonprefix([prevf, f]) |
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101 stemlen = min(len(stem), 255) |
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102 lines.append("%c%s\0%s\n%s\n" % (stemlen, f[stemlen:], fl, n)) |
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103 prevf = f |
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104 _checkforbidden(files) |
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105 return ''.join(lines) |
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106 |
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107 class _lazymanifest(dict): |
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108 """This is the pure implementation of lazymanifest. |
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109 |
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110 It has not been optimized *at all* and is not lazy. |
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111 """ |
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112 |
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113 def __init__(self, data): |
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114 dict.__init__(self) |
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115 for f, n, fl in _parse(data): |
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116 self[f] = n, fl |
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117 |
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118 def __setitem__(self, k, v): |
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119 node, flag = v |
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120 assert node is not None |
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121 if len(node) > 21: |
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122 node = node[:21] # match c implementation behavior |
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123 dict.__setitem__(self, k, (node, flag)) |
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124 |
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125 def __iter__(self): |
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126 return iter(sorted(dict.keys(self))) |
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127 |
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128 def iterkeys(self): |
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129 return iter(sorted(dict.keys(self))) |
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130 |
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131 def iterentries(self): |
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132 return ((f, e[0], e[1]) for f, e in sorted(self.iteritems())) |
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133 |
2831 | 134 def copy(self): |
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135 c = _lazymanifest('') |
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136 c.update(self) |
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137 return c |
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138 |
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139 def diff(self, m2, clean=False): |
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140 '''Finds changes between the current manifest and m2.''' |
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141 diff = {} |
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142 |
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143 for fn, e1 in self.iteritems(): |
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144 if fn not in m2: |
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145 diff[fn] = e1, (None, '') |
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146 else: |
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147 e2 = m2[fn] |
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148 if e1 != e2: |
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149 diff[fn] = e1, e2 |
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150 elif clean: |
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151 diff[fn] = None |
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152 |
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153 for fn, e2 in m2.iteritems(): |
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154 if fn not in self: |
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155 diff[fn] = (None, ''), e2 |
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156 |
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157 return diff |
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158 |
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159 def filtercopy(self, filterfn): |
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160 c = _lazymanifest('') |
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161 for f, n, fl in self.iterentries(): |
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162 if filterfn(f): |
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163 c[f] = n, fl |
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164 return c |
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165 |
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166 def text(self): |
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167 """Get the full data of this manifest as a bytestring.""" |
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168 return _textv1(self.iterentries()) |
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169 |
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170 try: |
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171 _lazymanifest = parsers.lazymanifest |
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172 except AttributeError: |
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173 pass |
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174 |
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175 class manifestdict(object): |
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176 def __init__(self, data=''): |
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177 if data.startswith('\0'): |
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178 #_lazymanifest can not parse v2 |
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179 self._lm = _lazymanifest('') |
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180 for f, n, fl in _parsev2(data): |
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181 self._lm[f] = n, fl |
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182 else: |
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183 self._lm = _lazymanifest(data) |
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184 |
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185 def __getitem__(self, key): |
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186 return self._lm[key][0] |
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187 |
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188 def find(self, key): |
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189 return self._lm[key] |
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190 |
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191 def __len__(self): |
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192 return len(self._lm) |
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193 |
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194 def __setitem__(self, key, node): |
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195 self._lm[key] = node, self.flags(key, '') |
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196 |
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197 def __contains__(self, key): |
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198 return key in self._lm |
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199 |
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200 def __delitem__(self, key): |
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201 del self._lm[key] |
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202 |
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203 def __iter__(self): |
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204 return self._lm.__iter__() |
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205 |
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206 def iterkeys(self): |
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207 return self._lm.iterkeys() |
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208 |
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209 def keys(self): |
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210 return list(self.iterkeys()) |
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211 |
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212 def filesnotin(self, m2): |
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213 '''Set of files in this manifest that are not in the other''' |
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214 files = set(self) |
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215 files.difference_update(m2) |
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216 return files |
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217 |
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218 @propertycache |
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219 def _dirs(self): |
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220 return util.dirs(self) |
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221 |
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222 def dirs(self): |
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223 return self._dirs |
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224 |
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225 def hasdir(self, dir): |
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226 return dir in self._dirs |
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227 |
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228 def _filesfastpath(self, match): |
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229 '''Checks whether we can correctly and quickly iterate over matcher |
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230 files instead of over manifest files.''' |
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231 files = match.files() |
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232 return (len(files) < 100 and (match.isexact() or |
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233 (match.prefix() and all(fn in self for fn in files)))) |
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234 |
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235 def walk(self, match): |
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236 '''Generates matching file names. |
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237 |
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238 Equivalent to manifest.matches(match).iterkeys(), but without creating |
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239 an entirely new manifest. |
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240 |
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241 It also reports nonexistent files by marking them bad with match.bad(). |
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242 ''' |
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243 if match.always(): |
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244 for f in iter(self): |
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245 yield f |
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246 return |
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247 |
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248 fset = set(match.files()) |
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249 |
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250 # avoid the entire walk if we're only looking for specific files |
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251 if self._filesfastpath(match): |
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252 for fn in sorted(fset): |
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253 yield fn |
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254 return |
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255 |
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256 for fn in self: |
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257 if fn in fset: |
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258 # specified pattern is the exact name |
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259 fset.remove(fn) |
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260 if match(fn): |
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261 yield fn |
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262 |
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263 # for dirstate.walk, files=['.'] means "walk the whole tree". |
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264 # follow that here, too |
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265 fset.discard('.') |
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266 |
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267 for fn in sorted(fset): |
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268 if not self.hasdir(fn): |
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269 match.bad(fn, None) |
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270 |
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271 def matches(self, match): |
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272 '''generate a new manifest filtered by the match argument''' |
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273 if match.always(): |
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274 return self.copy() |
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275 |
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276 if self._filesfastpath(match): |
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277 m = manifestdict() |
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278 lm = self._lm |
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279 for fn in match.files(): |
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280 if fn in lm: |
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281 m._lm[fn] = lm[fn] |
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282 return m |
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283 |
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284 m = manifestdict() |
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285 m._lm = self._lm.filtercopy(match) |
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286 return m |
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287 |
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288 def diff(self, m2, clean=False): |
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289 '''Finds changes between the current manifest and m2. |
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290 |
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291 Args: |
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292 m2: the manifest to which this manifest should be compared. |
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293 clean: if true, include files unchanged between these manifests |
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294 with a None value in the returned dictionary. |
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295 |
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296 The result is returned as a dict with filename as key and |
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297 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
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298 nodeid in the current/other manifest and fl1/fl2 is the flag |
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299 in the current/other manifest. Where the file does not exist, |
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300 the nodeid will be None and the flags will be the empty |
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301 string. |
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302 ''' |
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303 return self._lm.diff(m2._lm, clean) |
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304 |
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305 def setflag(self, key, flag): |
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306 self._lm[key] = self[key], flag |
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307 |
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308 def get(self, key, default=None): |
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309 try: |
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310 return self._lm[key][0] |
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311 except KeyError: |
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312 return default |
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313 |
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314 def flags(self, key, default=''): |
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315 try: |
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316 return self._lm[key][1] |
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317 except KeyError: |
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318 return default |
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319 |
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320 def copy(self): |
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321 c = manifestdict() |
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322 c._lm = self._lm.copy() |
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323 return c |
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324 |
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325 def iteritems(self): |
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326 return (x[:2] for x in self._lm.iterentries()) |
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328 def iterentries(self): |
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329 return self._lm.iterentries() |
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330 |
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331 def text(self, usemanifestv2=False): |
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332 if usemanifestv2: |
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333 return _textv2(self._lm.iterentries()) |
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334 else: |
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335 # use (probably) native version for v1 |
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336 return self._lm.text() |
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337 |
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338 def fastdelta(self, base, changes): |
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339 """Given a base manifest text as an array.array and a list of changes |
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340 relative to that text, compute a delta that can be used by revlog. |
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341 """ |
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342 delta = [] |
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343 dstart = None |
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344 dend = None |
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345 dline = [""] |
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346 start = 0 |
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347 # zero copy representation of base as a buffer |
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348 addbuf = util.buffer(base) |
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349 |
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350 changes = list(changes) |
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351 if len(changes) < 1000: |
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352 # start with a readonly loop that finds the offset of |
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353 # each line and creates the deltas |
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354 for f, todelete in changes: |
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355 # bs will either be the index of the item or the insert point |
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356 start, end = _msearch(addbuf, f, start) |
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357 if not todelete: |
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358 h, fl = self._lm[f] |
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359 l = "%s\0%s%s\n" % (f, revlog.hex(h), fl) |
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360 else: |
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361 if start == end: |
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362 # item we want to delete was not found, error out |
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363 raise AssertionError( |
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364 _("failed to remove %s from manifest") % f) |
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365 l = "" |
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366 if dstart is not None and dstart <= start and dend >= start: |
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367 if dend < end: |
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368 dend = end |
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369 if l: |
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370 dline.append(l) |
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371 else: |
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372 if dstart is not None: |
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373 delta.append([dstart, dend, "".join(dline)]) |
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374 dstart = start |
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375 dend = end |
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376 dline = [l] |
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377 |
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378 if dstart is not None: |
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379 delta.append([dstart, dend, "".join(dline)]) |
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380 # apply the delta to the base, and get a delta for addrevision |
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381 deltatext, arraytext = _addlistdelta(base, delta) |
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382 else: |
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383 # For large changes, it's much cheaper to just build the text and |
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384 # diff it. |
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385 arraytext = array.array('c', self.text()) |
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386 deltatext = mdiff.textdiff(base, arraytext) |
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387 |
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388 return arraytext, deltatext |
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389 |
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390 def _msearch(m, s, lo=0, hi=None): |
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391 '''return a tuple (start, end) that says where to find s within m. |
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392 |
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393 If the string is found m[start:end] are the line containing |
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394 that string. If start == end the string was not found and |
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395 they indicate the proper sorted insertion point. |
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396 |
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397 m should be a buffer or a string |
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398 s is a string''' |
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399 def advance(i, c): |
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400 while i < lenm and m[i] != c: |
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401 i += 1 |
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402 return i |
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403 if not s: |
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404 return (lo, lo) |
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405 lenm = len(m) |
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406 if not hi: |
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407 hi = lenm |
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408 while lo < hi: |
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409 mid = (lo + hi) // 2 |
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410 start = mid |
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411 while start > 0 and m[start - 1] != '\n': |
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412 start -= 1 |
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413 end = advance(start, '\0') |
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414 if m[start:end] < s: |
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415 # we know that after the null there are 40 bytes of sha1 |
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416 # this translates to the bisect lo = mid + 1 |
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417 lo = advance(end + 40, '\n') + 1 |
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418 else: |
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419 # this translates to the bisect hi = mid |
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420 hi = start |
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421 end = advance(lo, '\0') |
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422 found = m[lo:end] |
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423 if s == found: |
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424 # we know that after the null there are 40 bytes of sha1 |
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425 end = advance(end + 40, '\n') |
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426 return (lo, end + 1) |
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427 else: |
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428 return (lo, lo) |
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429 |
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430 def _checkforbidden(l): |
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431 """Check filenames for illegal characters.""" |
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432 for f in l: |
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433 if '\n' in f or '\r' in f: |
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434 raise error.RevlogError( |
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435 _("'\\n' and '\\r' disallowed in filenames: %r") % f) |
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|
436 |
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|
437 |
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|
438 # apply the changes collected during the bisect loop to our addlist |
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439 # return a delta suitable for addrevision |
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440 def _addlistdelta(addlist, x): |
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441 # for large addlist arrays, building a new array is cheaper |
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442 # than repeatedly modifying the existing one |
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443 currentposition = 0 |
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444 newaddlist = array.array('c') |
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445 |
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446 for start, end, content in x: |
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447 newaddlist += addlist[currentposition:start] |
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448 if content: |
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449 newaddlist += array.array('c', content) |
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450 |
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451 currentposition = end |
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|
452 |
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453 newaddlist += addlist[currentposition:] |
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454 |
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455 deltatext = "".join(struct.pack(">lll", start, end, len(content)) |
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456 + content for start, end, content in x) |
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457 return deltatext, newaddlist |
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|
458 |
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|
459 def _splittopdir(f): |
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460 if '/' in f: |
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461 dir, subpath = f.split('/', 1) |
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462 return dir + '/', subpath |
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463 else: |
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464 return '', f |
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465 |
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466 _noop = lambda s: None |
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467 |
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468 class treemanifest(object): |
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469 def __init__(self, dir='', text=''): |
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470 self._dir = dir |
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471 self._node = revlog.nullid |
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472 self._loadfunc = _noop |
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473 self._copyfunc = _noop |
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474 self._dirty = False |
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475 self._dirs = {} |
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476 # Using _lazymanifest here is a little slower than plain old dicts |
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477 self._files = {} |
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478 self._flags = {} |
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479 if text: |
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480 def readsubtree(subdir, subm): |
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481 raise AssertionError('treemanifest constructor only accepts ' |
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482 'flat manifests') |
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483 self.parse(text, readsubtree) |
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484 self._dirty = True # Mark flat manifest dirty after parsing |
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485 |
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486 def _subpath(self, path): |
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487 return self._dir + path |
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488 |
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489 def __len__(self): |
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490 self._load() |
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491 size = len(self._files) |
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492 for m in self._dirs.values(): |
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493 size += m.__len__() |
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494 return size |
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495 |
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496 def _isempty(self): |
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497 self._load() # for consistency; already loaded by all callers |
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498 return (not self._files and (not self._dirs or |
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499 all(m._isempty() for m in self._dirs.values()))) |
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500 |
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501 def __repr__(self): |
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502 return ('<treemanifest dir=%s, node=%s, loaded=%s, dirty=%s at 0x%x>' % |
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503 (self._dir, revlog.hex(self._node), |
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504 bool(self._loadfunc is _noop), |
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505 self._dirty, id(self))) |
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506 |
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507 def dir(self): |
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508 '''The directory that this tree manifest represents, including a |
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509 trailing '/'. Empty string for the repo root directory.''' |
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510 return self._dir |
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511 |
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512 def node(self): |
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513 '''This node of this instance. nullid for unsaved instances. Should |
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514 be updated when the instance is read or written from a revlog. |
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515 ''' |
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516 assert not self._dirty |
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517 return self._node |
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518 |
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519 def setnode(self, node): |
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520 self._node = node |
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521 self._dirty = False |
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522 |
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523 def iterentries(self): |
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524 self._load() |
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525 for p, n in sorted(self._dirs.items() + self._files.items()): |
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526 if p in self._files: |
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527 yield self._subpath(p), n, self._flags.get(p, '') |
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528 else: |
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529 for x in n.iterentries(): |
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530 yield x |
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531 |
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532 def iteritems(self): |
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533 self._load() |
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534 for p, n in sorted(self._dirs.items() + self._files.items()): |
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535 if p in self._files: |
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536 yield self._subpath(p), n |
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537 else: |
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538 for f, sn in n.iteritems(): |
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539 yield f, sn |
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540 |
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541 def iterkeys(self): |
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542 self._load() |
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543 for p in sorted(self._dirs.keys() + self._files.keys()): |
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|
544 if p in self._files: |
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|
545 yield self._subpath(p) |
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|
546 else: |
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|
547 for f in self._dirs[p].iterkeys(): |
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|
548 yield f |
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|
549 |
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|
550 def keys(self): |
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551 return list(self.iterkeys()) |
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|
552 |
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|
553 def __iter__(self): |
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554 return self.iterkeys() |
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|
555 |
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|
556 def __contains__(self, f): |
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557 if f is None: |
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|
558 return False |
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|
559 self._load() |
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560 dir, subpath = _splittopdir(f) |
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|
561 if dir: |
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|
562 if dir not in self._dirs: |
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|
563 return False |
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|
564 return self._dirs[dir].__contains__(subpath) |
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|
565 else: |
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|
566 return f in self._files |
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|
567 |
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|
568 def get(self, f, default=None): |
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|
569 self._load() |
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|
570 dir, subpath = _splittopdir(f) |
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|
571 if dir: |
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|
572 if dir not in self._dirs: |
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|
573 return default |
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|
574 return self._dirs[dir].get(subpath, default) |
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|
575 else: |
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|
576 return self._files.get(f, default) |
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|
577 |
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|
578 def __getitem__(self, f): |
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|
579 self._load() |
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580 dir, subpath = _splittopdir(f) |
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|
581 if dir: |
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|
582 return self._dirs[dir].__getitem__(subpath) |
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|
583 else: |
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|
584 return self._files[f] |
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|
585 |
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|
586 def flags(self, f): |
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|
587 self._load() |
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|
588 dir, subpath = _splittopdir(f) |
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|
589 if dir: |
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|
590 if dir not in self._dirs: |
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591 return '' |
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592 return self._dirs[dir].flags(subpath) |
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593 else: |
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594 if f in self._dirs: |
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595 return '' |
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596 return self._flags.get(f, '') |
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597 |
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598 def find(self, f): |
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599 self._load() |
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600 dir, subpath = _splittopdir(f) |
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601 if dir: |
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602 return self._dirs[dir].find(subpath) |
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603 else: |
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604 return self._files[f], self._flags.get(f, '') |
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605 |
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606 def __delitem__(self, f): |
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607 self._load() |
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608 dir, subpath = _splittopdir(f) |
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609 if dir: |
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610 self._dirs[dir].__delitem__(subpath) |
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611 # If the directory is now empty, remove it |
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612 if self._dirs[dir]._isempty(): |
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613 del self._dirs[dir] |
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614 else: |
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615 del self._files[f] |
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616 if f in self._flags: |
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617 del self._flags[f] |
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618 self._dirty = True |
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619 |
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620 def __setitem__(self, f, n): |
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621 assert n is not None |
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622 self._load() |
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623 dir, subpath = _splittopdir(f) |
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624 if dir: |
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625 if dir not in self._dirs: |
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626 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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627 self._dirs[dir].__setitem__(subpath, n) |
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628 else: |
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629 self._files[f] = n[:21] # to match manifestdict's behavior |
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630 self._dirty = True |
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631 |
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632 def _load(self): |
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633 if self._loadfunc is not _noop: |
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634 lf, self._loadfunc = self._loadfunc, _noop |
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635 lf(self) |
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636 elif self._copyfunc is not _noop: |
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637 cf, self._copyfunc = self._copyfunc, _noop |
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638 cf(self) |
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639 |
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640 def setflag(self, f, flags): |
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641 """Set the flags (symlink, executable) for path f.""" |
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642 self._load() |
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643 dir, subpath = _splittopdir(f) |
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644 if dir: |
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645 if dir not in self._dirs: |
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646 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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647 self._dirs[dir].setflag(subpath, flags) |
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648 else: |
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649 self._flags[f] = flags |
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650 self._dirty = True |
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651 |
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652 def copy(self): |
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653 copy = treemanifest(self._dir) |
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654 copy._node = self._node |
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655 copy._dirty = self._dirty |
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656 if self._copyfunc is _noop: |
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657 def _copyfunc(s): |
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658 self._load() |
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659 for d in self._dirs: |
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660 s._dirs[d] = self._dirs[d].copy() |
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661 s._files = dict.copy(self._files) |
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662 s._flags = dict.copy(self._flags) |
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663 if self._loadfunc is _noop: |
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664 _copyfunc(copy) |
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665 else: |
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666 copy._copyfunc = _copyfunc |
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667 else: |
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668 copy._copyfunc = self._copyfunc |
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669 return copy |
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670 |
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671 def filesnotin(self, m2): |
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672 '''Set of files in this manifest that are not in the other''' |
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673 files = set() |
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674 def _filesnotin(t1, t2): |
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675 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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676 return |
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677 t1._load() |
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678 t2._load() |
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679 for d, m1 in t1._dirs.iteritems(): |
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680 if d in t2._dirs: |
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681 m2 = t2._dirs[d] |
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682 _filesnotin(m1, m2) |
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683 else: |
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684 files.update(m1.iterkeys()) |
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685 |
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686 for fn in t1._files.iterkeys(): |
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687 if fn not in t2._files: |
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688 files.add(t1._subpath(fn)) |
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689 |
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690 _filesnotin(self, m2) |
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691 return files |
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692 |
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693 @propertycache |
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694 def _alldirs(self): |
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695 return util.dirs(self) |
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696 |
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697 def dirs(self): |
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698 return self._alldirs |
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699 |
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700 def hasdir(self, dir): |
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701 self._load() |
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702 topdir, subdir = _splittopdir(dir) |
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703 if topdir: |
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704 if topdir in self._dirs: |
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705 return self._dirs[topdir].hasdir(subdir) |
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706 return False |
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|
707 return (dir + '/') in self._dirs |
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|
708 |
24646
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diff
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|
709 def walk(self, match): |
5693c834bcb4
manifest: move changectx.walk() to manifests
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diff
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|
710 '''Generates matching file names. |
5693c834bcb4
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diff
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|
711 |
5693c834bcb4
manifest: move changectx.walk() to manifests
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diff
changeset
|
712 Equivalent to manifest.matches(match).iterkeys(), but without creating |
5693c834bcb4
manifest: move changectx.walk() to manifests
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diff
changeset
|
713 an entirely new manifest. |
5693c834bcb4
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diff
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|
714 |
5693c834bcb4
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diff
changeset
|
715 It also reports nonexistent files by marking them bad with match.bad(). |
5693c834bcb4
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diff
changeset
|
716 ''' |
24683
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
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24682
diff
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|
717 if match.always(): |
4eaea0ed8dc1
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diff
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|
718 for f in iter(self): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
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diff
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|
719 yield f |
4eaea0ed8dc1
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parents:
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diff
changeset
|
720 return |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
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parents:
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diff
changeset
|
721 |
24646
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diff
changeset
|
722 fset = set(match.files()) |
5693c834bcb4
manifest: move changectx.walk() to manifests
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diff
changeset
|
723 |
24647
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treemanifest: refactor treemanifest.walk()
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changeset
|
724 for fn in self._walk(match): |
24646
5693c834bcb4
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diff
changeset
|
725 if fn in fset: |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
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diff
changeset
|
726 # specified pattern is the exact name |
5693c834bcb4
manifest: move changectx.walk() to manifests
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changeset
|
727 fset.remove(fn) |
24647
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changeset
|
728 yield fn |
24646
5693c834bcb4
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diff
changeset
|
729 |
5693c834bcb4
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diff
changeset
|
730 # for dirstate.walk, files=['.'] means "walk the whole tree". |
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|
731 # follow that here, too |
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|
732 fset.discard('.') |
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|
733 |
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|
734 for fn in sorted(fset): |
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|
735 if not self.hasdir(fn): |
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|
736 match.bad(fn, None) |
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|
737 |
25188
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|
738 def _walk(self, match): |
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739 '''Recursively generates matching file names for walk().''' |
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740 if not match.visitdir(self._dir[:-1] or '.'): |
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|
741 return |
24647
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|
742 |
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|
743 # yield this dir's files and walk its submanifests |
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|
744 self._load() |
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745 for p in sorted(self._dirs.keys() + self._files.keys()): |
fb446c57f8f9
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|
746 if p in self._files: |
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|
747 fullp = self._subpath(p) |
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|
748 if match(fullp): |
fb446c57f8f9
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|
749 yield fullp |
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|
750 else: |
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|
751 for f in self._dirs[p]._walk(match): |
24647
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|
752 yield f |
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changeset
|
753 |
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changeset
|
754 def matches(self, match): |
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755 '''generate a new manifest filtered by the match argument''' |
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|
756 if match.always(): |
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|
757 return self.copy() |
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|
758 |
24552
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diff
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|
759 return self._matches(match) |
a2292da6d821
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diff
changeset
|
760 |
25188
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changeset
|
761 def _matches(self, match): |
24552
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|
762 '''recursively generate a new manifest filtered by the match argument. |
25188
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|
763 ''' |
27343
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diff
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|
764 |
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diff
changeset
|
765 visit = match.visitdir(self._dir[:-1] or '.') |
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|
766 if visit == 'all': |
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|
767 return self.copy() |
24552
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|
768 ret = treemanifest(self._dir) |
27343
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|
769 if not visit: |
25188
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|
770 return ret |
24552
a2292da6d821
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diff
changeset
|
771 |
25222
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|
772 self._load() |
24552
a2292da6d821
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changeset
|
773 for fn in self._files: |
a2292da6d821
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|
774 fullp = self._subpath(fn) |
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|
775 if not match(fullp): |
a2292da6d821
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changeset
|
776 continue |
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changeset
|
777 ret._files[fn] = self._files[fn] |
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changeset
|
778 if fn in self._flags: |
a2292da6d821
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changeset
|
779 ret._flags[fn] = self._flags[fn] |
a2292da6d821
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diff
changeset
|
780 |
a2292da6d821
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24551
diff
changeset
|
781 for dir, subm in self._dirs.iteritems(): |
25188
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|
782 m = subm._matches(match) |
24552
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diff
changeset
|
783 if not m._isempty(): |
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diff
changeset
|
784 ret._dirs[dir] = m |
a2292da6d821
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changeset
|
785 |
25220
f0fbd88b21fb
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diff
changeset
|
786 if not ret._isempty(): |
f0fbd88b21fb
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diff
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|
787 ret._dirty = True |
24552
a2292da6d821
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changeset
|
788 return ret |
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|
789 |
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changeset
|
790 def diff(self, m2, clean=False): |
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changeset
|
791 '''Finds changes between the current manifest and m2. |
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changeset
|
792 |
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diff
changeset
|
793 Args: |
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changeset
|
794 m2: the manifest to which this manifest should be compared. |
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changeset
|
795 clean: if true, include files unchanged between these manifests |
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diff
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|
796 with a None value in the returned dictionary. |
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changeset
|
797 |
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|
798 The result is returned as a dict with filename as key and |
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|
799 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
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|
800 nodeid in the current/other manifest and fl1/fl2 is the flag |
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changeset
|
801 in the current/other manifest. Where the file does not exist, |
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changeset
|
802 the nodeid will be None and the flags will be the empty |
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changeset
|
803 string. |
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changeset
|
804 ''' |
24404
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diff
changeset
|
805 result = {} |
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|
806 emptytree = treemanifest() |
96cccf1e3257
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diff
changeset
|
807 def _diff(t1, t2): |
25220
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changeset
|
808 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
f0fbd88b21fb
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changeset
|
809 return |
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|
810 t1._load() |
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|
811 t2._load() |
24404
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|
812 for d, m1 in t1._dirs.iteritems(): |
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|
813 m2 = t2._dirs.get(d, emptytree) |
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|
814 _diff(m1, m2) |
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|
815 |
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changeset
|
816 for d, m2 in t2._dirs.iteritems(): |
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|
817 if d not in t1._dirs: |
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|
818 _diff(emptytree, m2) |
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|
819 |
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changeset
|
820 for fn, n1 in t1._files.iteritems(): |
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changeset
|
821 fl1 = t1._flags.get(fn, '') |
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|
822 n2 = t2._files.get(fn, None) |
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diff
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|
823 fl2 = t2._flags.get(fn, '') |
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824 if n1 != n2 or fl1 != fl2: |
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825 result[t1._subpath(fn)] = ((n1, fl1), (n2, fl2)) |
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826 elif clean: |
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827 result[t1._subpath(fn)] = None |
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828 |
24404
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829 for fn, n2 in t2._files.iteritems(): |
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830 if fn not in t1._files: |
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831 fl2 = t2._flags.get(fn, '') |
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832 result[t2._subpath(fn)] = ((None, ''), (n2, fl2)) |
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833 |
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834 _diff(self, m2) |
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835 return result |
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836 |
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|
837 def unmodifiedsince(self, m2): |
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838 return not self._dirty and not m2._dirty and self._node == m2._node |
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839 |
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|
840 def parse(self, text, readsubtree): |
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841 for f, n, fl in _parse(text): |
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842 if fl == 't': |
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843 f = f + '/' |
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|
844 self._dirs[f] = readsubtree(self._subpath(f), n) |
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845 elif '/' in f: |
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846 # This is a flat manifest, so use __setitem__ and setflag rather |
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847 # than assigning directly to _files and _flags, so we can |
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848 # assign a path in a subdirectory, and to mark dirty (compared |
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|
849 # to nullid). |
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850 self[f] = n |
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851 if fl: |
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|
852 self.setflag(f, fl) |
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853 else: |
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854 # Assigning to _files and _flags avoids marking as dirty, |
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855 # and should be a little faster. |
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856 self._files[f] = n |
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857 if fl: |
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858 self._flags[f] = fl |
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|
859 |
24573
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|
860 def text(self, usemanifestv2=False): |
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861 """Get the full data of this manifest as a bytestring.""" |
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862 self._load() |
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863 return _text(self.iterentries(), usemanifestv2) |
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|
864 |
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|
865 def dirtext(self, usemanifestv2=False): |
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866 """Get the full data of this directory as a bytestring. Make sure that |
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867 any submanifests have been written first, so their nodeids are correct. |
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868 """ |
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|
869 self._load() |
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870 flags = self.flags |
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871 dirs = [(d[:-1], self._dirs[d]._node, 't') for d in self._dirs] |
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872 files = [(f, self._files[f], flags(f)) for f in self._files] |
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873 return _text(sorted(dirs + files), usemanifestv2) |
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|
874 |
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|
875 def read(self, gettext, readsubtree): |
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876 def _load_for_read(s): |
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877 s.parse(gettext(), readsubtree) |
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878 s._dirty = False |
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879 self._loadfunc = _load_for_read |
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880 |
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881 def writesubtrees(self, m1, m2, writesubtree): |
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882 self._load() # for consistency; should never have any effect here |
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883 emptytree = treemanifest() |
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884 for d, subm in self._dirs.iteritems(): |
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885 subp1 = m1._dirs.get(d, emptytree)._node |
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|
886 subp2 = m2._dirs.get(d, emptytree)._node |
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887 if subp1 == revlog.nullid: |
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888 subp1, subp2 = subp2, subp1 |
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|
889 writesubtree(subm, subp1, subp2) |
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|
890 |
7634
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|
891 class manifest(revlog.revlog): |
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892 def __init__(self, opener, dir='', dirlogcache=None): |
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893 '''The 'dir' and 'dirlogcache' arguments are for internal use by |
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894 manifest.manifest only. External users should create a root manifest |
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895 log with manifest.manifest(opener) and call dirlog() on it. |
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896 ''' |
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897 # During normal operations, we expect to deal with not more than four |
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898 # revs at a time (such as during commit --amend). When rebasing large |
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899 # stacks of commits, the number can go up, hence the config knob below. |
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900 cachesize = 4 |
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|
901 usetreemanifest = False |
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|
902 usemanifestv2 = False |
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|
903 opts = getattr(opener, 'options', None) |
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|
904 if opts is not None: |
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|
905 cachesize = opts.get('manifestcachesize', cachesize) |
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|
906 usetreemanifest = opts.get('treemanifest', usetreemanifest) |
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|
907 usemanifestv2 = opts.get('manifestv2', usemanifestv2) |
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|
908 self._mancache = util.lrucachedict(cachesize) |
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|
909 self._treeinmem = usetreemanifest |
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|
910 self._treeondisk = usetreemanifest |
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|
911 self._usemanifestv2 = usemanifestv2 |
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912 indexfile = "00manifest.i" |
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|
913 if dir: |
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changeset
|
914 assert self._treeondisk |
25119
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|
915 if not dir.endswith('/'): |
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|
916 dir = dir + '/' |
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|
917 indexfile = "meta/" + dir + "00manifest.i" |
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|
918 revlog.revlog.__init__(self, opener, indexfile) |
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919 self._dir = dir |
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920 # The dirlogcache is kept on the root manifest log |
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|
921 if dir: |
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922 self._dirlogcache = dirlogcache |
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|
923 else: |
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|
924 self._dirlogcache = {'': self} |
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|
925 |
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|
926 def _newmanifest(self, data=''): |
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|
927 if self._treeinmem: |
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|
928 return treemanifest(self._dir, data) |
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|
929 return manifestdict(data) |
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|
930 |
25185
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|
931 def dirlog(self, dir): |
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|
932 if dir: |
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|
933 assert self._treeondisk |
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bf6b476f3b36
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Martin von Zweigbergk <martinvonz@google.com>
parents:
25151
diff
changeset
|
934 if dir not in self._dirlogcache: |
bf6b476f3b36
treemanifest: cache directory logs and manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25151
diff
changeset
|
935 self._dirlogcache[dir] = manifest(self.opener, dir, |
bf6b476f3b36
treemanifest: cache directory logs and manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25151
diff
changeset
|
936 self._dirlogcache) |
bf6b476f3b36
treemanifest: cache directory logs and manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25151
diff
changeset
|
937 return self._dirlogcache[dir] |
bf6b476f3b36
treemanifest: cache directory logs and manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25151
diff
changeset
|
938 |
24528
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
939 def _slowreaddelta(self, node): |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
940 r0 = self.deltaparent(self.rev(node)) |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
941 m0 = self.read(self.node(r0)) |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
942 m1 = self.read(node) |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
943 md = self._newmanifest() |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
944 for f, ((n0, fl0), (n1, fl1)) in m0.diff(m1).iteritems(): |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
945 if n1: |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
946 md[f] = n1 |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
947 if fl1: |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
948 md.setflag(f, fl1) |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
949 return md |
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
950 |
3196
f3b939444c72
Abstract manifest block parsing.
Brendan Cully <brendan@kublai.com>
parents:
3148
diff
changeset
|
951 def readdelta(self, node): |
24701
03ee576784e6
treemanifest: separate flags for trees in memory and trees on disk
Martin von Zweigbergk <martinvonz@google.com>
parents:
24700
diff
changeset
|
952 if self._usemanifestv2 or self._treeondisk: |
24528
b538ae24aa97
manifestv2: implement slow readdelta() without revdiff
Martin von Zweigbergk <martinvonz@google.com>
parents:
24527
diff
changeset
|
953 return self._slowreaddelta(node) |
7362
6db4a2ccef3a
revlog: remove delta function
Matt Mackall <mpm@selenic.com>
parents:
6765
diff
changeset
|
954 r = self.rev(node) |
24224
d71837d06597
manifest: do parsing inside manifestdict contstructor
Augie Fackler <augie@google.com>
parents:
24223
diff
changeset
|
955 d = mdiff.patchtext(self.revdiff(self.deltaparent(r), r)) |
24402
c2287f203ec4
treemanifest: add configuration for using treemanifest type
Martin von Zweigbergk <martinvonz@google.com>
parents:
24401
diff
changeset
|
956 return self._newmanifest(d) |
3223
53e843840349
Whitespace/Tab cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3196
diff
changeset
|
957 |
28203
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
958 def readshallowdelta(self, node): |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
959 '''For flat manifests, this is the same as readdelta(). For |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
960 treemanifests, this will read the delta for this revlog's directory, |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
961 without recursively reading subdirectory manifests. Instead, any |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
962 subdirectory entry will be reported as it appears in the manifests, i.e. |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
963 the subdirectory will be reported among files and distinguished only by |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
964 its 't' flag.''' |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
965 if not self._treeondisk: |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
966 return self.readdelta(node) |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
967 if self._usemanifestv2: |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
968 raise error.Abort( |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
969 "readshallowdelta() not implemented for manifestv2") |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
970 r = self.rev(node) |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
971 d = mdiff.patchtext(self.revdiff(self.deltaparent(r), r)) |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
972 return manifestdict(d) |
7297e9e13a8a
verify: check directory manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27502
diff
changeset
|
973 |
13711
ed913fd7837b
manifest: add readfast method
Matt Mackall <mpm@selenic.com>
parents:
13031
diff
changeset
|
974 def readfast(self, node): |
24925
d9832a12a06e
manifest: document return type of readfast()
Augie Fackler <augie@google.com>
parents:
24781
diff
changeset
|
975 '''use the faster of readdelta or read |
d9832a12a06e
manifest: document return type of readfast()
Augie Fackler <augie@google.com>
parents:
24781
diff
changeset
|
976 |
d9832a12a06e
manifest: document return type of readfast()
Augie Fackler <augie@google.com>
parents:
24781
diff
changeset
|
977 This will return a manifest which is either only the files |
d9832a12a06e
manifest: document return type of readfast()
Augie Fackler <augie@google.com>
parents:
24781
diff
changeset
|
978 added/modified relative to p1, or all files in the |
d9832a12a06e
manifest: document return type of readfast()
Augie Fackler <augie@google.com>
parents:
24781
diff
changeset
|
979 manifest. Which one is returned depends on the codepath used |
d9832a12a06e
manifest: document return type of readfast()
Augie Fackler <augie@google.com>
parents:
24781
diff
changeset
|
980 to retrieve the data. |
d9832a12a06e
manifest: document return type of readfast()
Augie Fackler <augie@google.com>
parents:
24781
diff
changeset
|
981 ''' |
13711
ed913fd7837b
manifest: add readfast method
Matt Mackall <mpm@selenic.com>
parents:
13031
diff
changeset
|
982 r = self.rev(node) |
14208
d62d597b8974
revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents:
13711
diff
changeset
|
983 deltaparent = self.deltaparent(r) |
d62d597b8974
revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents:
13711
diff
changeset
|
984 if deltaparent != revlog.nullrev and deltaparent in self.parentrevs(r): |
13711
ed913fd7837b
manifest: add readfast method
Matt Mackall <mpm@selenic.com>
parents:
13031
diff
changeset
|
985 return self.readdelta(node) |
ed913fd7837b
manifest: add readfast method
Matt Mackall <mpm@selenic.com>
parents:
13031
diff
changeset
|
986 return self.read(node) |
ed913fd7837b
manifest: add readfast method
Matt Mackall <mpm@selenic.com>
parents:
13031
diff
changeset
|
987 |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
988 def read(self, node): |
7634
14a4337a9b9b
revlog: kill from-style imports
Matt Mackall <mpm@selenic.com>
parents:
7633
diff
changeset
|
989 if node == revlog.nullid: |
24402
c2287f203ec4
treemanifest: add configuration for using treemanifest type
Martin von Zweigbergk <martinvonz@google.com>
parents:
24401
diff
changeset
|
990 return self._newmanifest() # don't upset local cache |
18604
a1141f04e368
manifest: use a size 3 LRU cache to store parsed manifests
Siddharth Agarwal <sid0@fb.com>
parents:
17983
diff
changeset
|
991 if node in self._mancache: |
a1141f04e368
manifest: use a size 3 LRU cache to store parsed manifests
Siddharth Agarwal <sid0@fb.com>
parents:
17983
diff
changeset
|
992 return self._mancache[node][0] |
25091
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
993 if self._treeondisk: |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
994 def gettext(): |
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
995 return self.revision(node) |
25091
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
996 def readsubtree(dir, subm): |
25185
bf6b476f3b36
treemanifest: cache directory logs and manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25151
diff
changeset
|
997 return self.dirlog(dir).read(subm) |
25091
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
998 m = self._newmanifest() |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
999 m.read(gettext, readsubtree) |
25091
b5052fc73300
treemanifest: store submanifest revlog per directory
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parents:
24956
diff
changeset
|
1000 m.setnode(node) |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1001 arraytext = None |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1002 else: |
25222
0de132d5328a
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Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
1003 text = self.revision(node) |
25091
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treemanifest: store submanifest revlog per directory
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parents:
24956
diff
changeset
|
1004 m = self._newmanifest(text) |
b5052fc73300
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24956
diff
changeset
|
1005 arraytext = array.array('c', text) |
24147
ba4fcd80079d
manifest: rename 'mf', 'map', and 'mapping' to 'm'
Martin von Zweigbergk <martinvonz@google.com>
parents:
24146
diff
changeset
|
1006 self._mancache[node] = (m, arraytext) |
ba4fcd80079d
manifest: rename 'mf', 'map', and 'mapping' to 'm'
Martin von Zweigbergk <martinvonz@google.com>
parents:
24146
diff
changeset
|
1007 return m |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1008 |
2320
dbdce3b99988
fix parsing of tags. make parse errors useful. add new tag tests.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2142
diff
changeset
|
1009 def find(self, node, f): |
dbdce3b99988
fix parsing of tags. make parse errors useful. add new tag tests.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2142
diff
changeset
|
1010 '''look up entry for a single file efficiently. |
4159
a896607d3ec3
fix manifest.find
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3891
diff
changeset
|
1011 return (node, flags) pair if found, (None, None) if not.''' |
24292
b7add2ebef9e
manifest: rewrite find(node, f) in terms of read(node)
Martin von Zweigbergk <martinvonz@google.com>
parents:
24277
diff
changeset
|
1012 m = self.read(node) |
24225
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
1013 try: |
24292
b7add2ebef9e
manifest: rewrite find(node, f) in terms of read(node)
Martin von Zweigbergk <martinvonz@google.com>
parents:
24277
diff
changeset
|
1014 return m.find(f) |
24225
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
1015 except KeyError: |
2320
dbdce3b99988
fix parsing of tags. make parse errors useful. add new tag tests.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2142
diff
changeset
|
1016 return None, None |
dbdce3b99988
fix parsing of tags. make parse errors useful. add new tag tests.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2142
diff
changeset
|
1017 |
24147
ba4fcd80079d
manifest: rename 'mf', 'map', and 'mapping' to 'm'
Martin von Zweigbergk <martinvonz@google.com>
parents:
24146
diff
changeset
|
1018 def add(self, m, transaction, link, p1, p2, added, removed): |
24701
03ee576784e6
treemanifest: separate flags for trees in memory and trees on disk
Martin von Zweigbergk <martinvonz@google.com>
parents:
24700
diff
changeset
|
1019 if (p1 in self._mancache and not self._treeinmem |
24527
8aead3bc5ff8
manifestv2: disable fastdelta optimization
Martin von Zweigbergk <martinvonz@google.com>
parents:
24526
diff
changeset
|
1020 and not self._usemanifestv2): |
22788
160efd225b24
manifest: rearrange add() method and add comments for clarity
Augie Fackler <raf@durin42.com>
parents:
22787
diff
changeset
|
1021 # If our first parent is in the manifest cache, we can |
160efd225b24
manifest: rearrange add() method and add comments for clarity
Augie Fackler <raf@durin42.com>
parents:
22787
diff
changeset
|
1022 # compute a delta here using properties we know about the |
160efd225b24
manifest: rearrange add() method and add comments for clarity
Augie Fackler <raf@durin42.com>
parents:
22787
diff
changeset
|
1023 # manifest up-front, which may save time later for the |
160efd225b24
manifest: rearrange add() method and add comments for clarity
Augie Fackler <raf@durin42.com>
parents:
22787
diff
changeset
|
1024 # revlog layer. |
644 | 1025 |
22415
65ec6c5c0fb3
manifest: mark addlistdelta and checkforbidden as module-private
Augie Fackler <raf@durin42.com>
parents:
22409
diff
changeset
|
1026 _checkforbidden(added) |
26199
5411059d93f8
manifest: switch add() to heapq.merge (available in Py2.6+)
timeless@mozdev.org
parents:
25276
diff
changeset
|
1027 # combine the changed lists into one sorted iterator |
5411059d93f8
manifest: switch add() to heapq.merge (available in Py2.6+)
timeless@mozdev.org
parents:
25276
diff
changeset
|
1028 work = heapq.merge([(x, False) for x in added], |
5411059d93f8
manifest: switch add() to heapq.merge (available in Py2.6+)
timeless@mozdev.org
parents:
25276
diff
changeset
|
1029 [(x, True) for x in removed]) |
644 | 1030 |
24147
ba4fcd80079d
manifest: rename 'mf', 'map', and 'mapping' to 'm'
Martin von Zweigbergk <martinvonz@google.com>
parents:
24146
diff
changeset
|
1031 arraytext, deltatext = m.fastdelta(self._mancache[p1][1], work) |
22931
48c0b101a9de
manifest: add fastdelta method to manifestdict
Augie Fackler <raf@durin42.com>
parents:
22930
diff
changeset
|
1032 cachedelta = self.rev(p1), deltatext |
15657
d976b1ef6760
util: don't mess with builtins to emulate buffer()
Matt Mackall <mpm@selenic.com>
parents:
14632
diff
changeset
|
1033 text = util.buffer(arraytext) |
24780
4ea521b3c554
manifest: duplicate call to addrevision()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24701
diff
changeset
|
1034 n = self.addrevision(text, transaction, link, p1, p2, cachedelta) |
22788
160efd225b24
manifest: rearrange add() method and add comments for clarity
Augie Fackler <raf@durin42.com>
parents:
22787
diff
changeset
|
1035 else: |
160efd225b24
manifest: rearrange add() method and add comments for clarity
Augie Fackler <raf@durin42.com>
parents:
22787
diff
changeset
|
1036 # The first parent manifest isn't already loaded, so we'll |
160efd225b24
manifest: rearrange add() method and add comments for clarity
Augie Fackler <raf@durin42.com>
parents:
22787
diff
changeset
|
1037 # just encode a fulltext of the manifest and pass that |
160efd225b24
manifest: rearrange add() method and add comments for clarity
Augie Fackler <raf@durin42.com>
parents:
22787
diff
changeset
|
1038 # through to the revlog layer, and let it handle the delta |
160efd225b24
manifest: rearrange add() method and add comments for clarity
Augie Fackler <raf@durin42.com>
parents:
22787
diff
changeset
|
1039 # process. |
25091
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1040 if self._treeondisk: |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1041 m1 = self.read(p1) |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1042 m2 = self.read(p2) |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1043 n = self._addtree(m, transaction, link, m1, m2) |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1044 arraytext = None |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1045 else: |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1046 text = m.text(self._usemanifestv2) |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
24956
diff
changeset
|
1047 n = self.addrevision(text, transaction, link, p1, p2) |
b5052fc73300
treemanifest: store submanifest revlog per directory
Martin von Zweigbergk <martinvonz@google.com>
parents:
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1048 arraytext = array.array('c', text) |
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1050 self._mancache[n] = (m, arraytext) |
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1051 |
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1052 return n |
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1053 |
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1054 def _addtree(self, m, transaction, link, m1, m2): |
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1055 # If the manifest is unchanged compared to one parent, |
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1056 # don't write a new revision |
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1057 if m.unmodifiedsince(m1) or m.unmodifiedsince(m2): |
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1058 return m.node() |
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1059 def writesubtree(subm, subp1, subp2): |
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1060 sublog = self.dirlog(subm.dir()) |
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1061 sublog.add(subm, transaction, link, subp1, subp2, None, None) |
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1062 m.writesubtrees(m1, m2, writesubtree) |
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1063 text = m.dirtext(self._usemanifestv2) |
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1064 # Double-check whether contents are unchanged to one parent |
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1065 if text == m1.dirtext(self._usemanifestv2): |
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1066 n = m1.node() |
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1067 elif text == m2.dirtext(self._usemanifestv2): |
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1068 n = m2.node() |
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1069 else: |
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1070 n = self.addrevision(text, transaction, link, m1.node(), m2.node()) |
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1071 # Save nodeid so parent manifest can calculate its nodeid |
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1072 m.setnode(n) |
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1073 return n |
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1074 |
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1075 def clearcaches(self): |
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1076 super(manifest, self).clearcaches() |
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1077 self._mancache.clear() |
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1078 self._dirlogcache = {'': self} |