Mercurial > hg
annotate mercurial/manifest.py @ 30801:67ee7874e53b
revset: factor out getinteger() helper
We have 4 revset functions that take integer arguments, and they handle
their arguments in slightly different ways. This patch unifies them:
- getstring() in place of getsymbol(), which is more consistent with the
handling of integer revisions (both 1 and '1' are valid)
- say "expects" instead of "requires" for type errors
We don't need to catch TypeError since getstring() must return a string.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Mon, 09 Jan 2017 17:39:44 +0900 |
parents | 7fbc8a742b4d |
children | 4a1486c73fdf |
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 lazymanifestiter(object): |
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108 def __init__(self, lm): |
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109 self.pos = 0 |
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110 self.lm = lm |
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111 |
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112 def __iter__(self): |
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113 return self |
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114 |
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115 def next(self): |
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116 try: |
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117 data, pos = self.lm._get(self.pos) |
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118 except IndexError: |
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119 raise StopIteration |
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120 if pos == -1: |
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121 self.pos += 1 |
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122 return data[0] |
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123 self.pos += 1 |
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124 zeropos = data.find('\x00', pos) |
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125 return data[pos:zeropos] |
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126 |
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127 class lazymanifestiterentries(object): |
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128 def __init__(self, lm): |
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129 self.lm = lm |
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130 self.pos = 0 |
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131 |
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132 def __iter__(self): |
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133 return self |
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134 |
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135 def next(self): |
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136 try: |
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137 data, pos = self.lm._get(self.pos) |
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138 except IndexError: |
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139 raise StopIteration |
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140 if pos == -1: |
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141 self.pos += 1 |
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142 return data |
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143 zeropos = data.find('\x00', pos) |
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144 hashval = unhexlify(data, self.lm.extrainfo[self.pos], |
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145 zeropos + 1, 40) |
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146 flags = self.lm._getflags(data, self.pos, zeropos) |
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147 self.pos += 1 |
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148 return (data[pos:zeropos], hashval, flags) |
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149 |
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150 def unhexlify(data, extra, pos, length): |
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151 s = data[pos:pos + length].decode('hex') |
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152 if extra: |
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153 s += chr(extra & 0xff) |
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154 return s |
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155 |
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156 def _cmp(a, b): |
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157 return (a > b) - (a < b) |
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158 |
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159 class _lazymanifest(object): |
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160 def __init__(self, data, positions=None, extrainfo=None, extradata=None): |
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161 if positions is None: |
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162 self.positions = self.findlines(data) |
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163 self.extrainfo = [0] * len(self.positions) |
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164 self.data = data |
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165 self.extradata = [] |
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166 else: |
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167 self.positions = positions[:] |
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168 self.extrainfo = extrainfo[:] |
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169 self.extradata = extradata[:] |
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170 self.data = data |
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171 |
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172 def findlines(self, data): |
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173 if not data: |
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174 return [] |
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175 pos = data.find("\n") |
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176 if pos == -1 or data[-1] != '\n': |
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177 raise ValueError("Manifest did not end in a newline.") |
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178 positions = [0] |
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179 prev = data[:data.find('\x00')] |
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180 while pos < len(data) - 1 and pos != -1: |
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181 positions.append(pos + 1) |
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182 nexts = data[pos + 1:data.find('\x00', pos + 1)] |
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183 if nexts < prev: |
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184 raise ValueError("Manifest lines not in sorted order.") |
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185 prev = nexts |
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186 pos = data.find("\n", pos + 1) |
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187 return positions |
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188 |
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189 def _get(self, index): |
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190 # get the position encoded in pos: |
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191 # positive number is an index in 'data' |
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192 # negative number is in extrapieces |
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193 pos = self.positions[index] |
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194 if pos >= 0: |
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195 return self.data, pos |
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196 return self.extradata[-pos - 1], -1 |
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197 |
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198 def _getkey(self, pos): |
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199 if pos >= 0: |
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200 return self.data[pos:self.data.find('\x00', pos + 1)] |
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201 return self.extradata[-pos - 1][0] |
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202 |
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203 def bsearch(self, key): |
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204 first = 0 |
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205 last = len(self.positions) - 1 |
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206 |
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207 while first <= last: |
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208 midpoint = (first + last)//2 |
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209 nextpos = self.positions[midpoint] |
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210 candidate = self._getkey(nextpos) |
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211 r = _cmp(key, candidate) |
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212 if r == 0: |
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213 return midpoint |
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214 else: |
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215 if r < 0: |
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216 last = midpoint - 1 |
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217 else: |
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218 first = midpoint + 1 |
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219 return -1 |
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220 |
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221 def bsearch2(self, key): |
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222 # same as the above, but will always return the position |
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223 # done for performance reasons |
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224 first = 0 |
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225 last = len(self.positions) - 1 |
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226 |
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227 while first <= last: |
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228 midpoint = (first + last)//2 |
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229 nextpos = self.positions[midpoint] |
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230 candidate = self._getkey(nextpos) |
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231 r = _cmp(key, candidate) |
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232 if r == 0: |
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233 return (midpoint, True) |
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234 else: |
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235 if r < 0: |
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236 last = midpoint - 1 |
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237 else: |
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238 first = midpoint + 1 |
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239 return (first, False) |
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240 |
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241 def __contains__(self, key): |
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242 return self.bsearch(key) != -1 |
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243 |
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244 def _getflags(self, data, needle, pos): |
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245 start = pos + 41 |
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246 end = data.find("\n", start) |
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247 if end == -1: |
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248 end = len(data) - 1 |
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249 if start == end: |
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250 return '' |
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251 return self.data[start:end] |
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252 |
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253 def __getitem__(self, key): |
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254 if not isinstance(key, str): |
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255 raise TypeError("getitem: manifest keys must be a string.") |
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256 needle = self.bsearch(key) |
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257 if needle == -1: |
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258 raise KeyError |
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259 data, pos = self._get(needle) |
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260 if pos == -1: |
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261 return (data[1], data[2]) |
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262 zeropos = data.find('\x00', pos) |
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263 assert 0 <= needle <= len(self.positions) |
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264 assert len(self.extrainfo) == len(self.positions) |
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265 hashval = unhexlify(data, self.extrainfo[needle], zeropos + 1, 40) |
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266 flags = self._getflags(data, needle, zeropos) |
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267 return (hashval, flags) |
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268 |
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269 def __delitem__(self, key): |
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270 needle, found = self.bsearch2(key) |
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271 if not found: |
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272 raise KeyError |
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273 cur = self.positions[needle] |
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274 self.positions = self.positions[:needle] + self.positions[needle + 1:] |
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275 self.extrainfo = self.extrainfo[:needle] + self.extrainfo[needle + 1:] |
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276 if cur >= 0: |
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277 self.data = self.data[:cur] + '\x00' + self.data[cur + 1:] |
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278 |
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279 def __setitem__(self, key, value): |
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280 if not isinstance(key, str): |
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281 raise TypeError("setitem: manifest keys must be a string.") |
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282 if not isinstance(value, tuple) or len(value) != 2: |
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283 raise TypeError("Manifest values must be a tuple of (node, flags).") |
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284 hashval = value[0] |
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285 if not isinstance(hashval, str) or not 20 <= len(hashval) <= 22: |
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286 raise TypeError("node must be a 20-byte string") |
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287 flags = value[1] |
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288 if len(hashval) == 22: |
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289 hashval = hashval[:-1] |
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290 if not isinstance(flags, str) or len(flags) > 1: |
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291 raise TypeError("flags must a 0 or 1 byte string, got %r", flags) |
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292 needle, found = self.bsearch2(key) |
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293 if found: |
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294 # put the item |
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295 pos = self.positions[needle] |
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296 if pos < 0: |
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297 self.extradata[-pos - 1] = (key, hashval, value[1]) |
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298 else: |
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299 # just don't bother |
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300 self.extradata.append((key, hashval, value[1])) |
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301 self.positions[needle] = -len(self.extradata) |
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302 else: |
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303 # not found, put it in with extra positions |
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304 self.extradata.append((key, hashval, value[1])) |
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305 self.positions = (self.positions[:needle] + [-len(self.extradata)] |
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306 + self.positions[needle:]) |
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307 self.extrainfo = (self.extrainfo[:needle] + [0] + |
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308 self.extrainfo[needle:]) |
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309 |
2831 | 310 def copy(self): |
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311 # XXX call _compact like in C? |
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312 return _lazymanifest(self.data, self.positions, self.extrainfo, |
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313 self.extradata) |
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314 |
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315 def _compact(self): |
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316 # hopefully not called TOO often |
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317 if len(self.extradata) == 0: |
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318 return |
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319 l = [] |
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320 last_cut = 0 |
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321 i = 0 |
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322 offset = 0 |
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323 self.extrainfo = [0] * len(self.positions) |
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324 while i < len(self.positions): |
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325 if self.positions[i] >= 0: |
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326 cur = self.positions[i] |
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327 last_cut = cur |
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328 while True: |
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329 self.positions[i] = offset |
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330 i += 1 |
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331 if i == len(self.positions) or self.positions[i] < 0: |
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332 break |
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333 offset += self.positions[i] - cur |
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334 cur = self.positions[i] |
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335 end_cut = self.data.find('\n', cur) |
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336 if end_cut != -1: |
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337 end_cut += 1 |
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338 offset += end_cut - cur |
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339 l.append(self.data[last_cut:end_cut]) |
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340 else: |
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341 while i < len(self.positions) and self.positions[i] < 0: |
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342 cur = self.positions[i] |
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343 t = self.extradata[-cur - 1] |
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344 l.append(self._pack(t)) |
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345 self.positions[i] = offset |
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346 if len(t[1]) > 20: |
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347 self.extrainfo[i] = ord(t[1][21]) |
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348 offset += len(l[-1]) |
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349 i += 1 |
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350 self.data = ''.join(l) |
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351 self.extradata = [] |
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352 |
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353 def _pack(self, d): |
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354 return d[0] + '\x00' + d[1][:20].encode('hex') + d[2] + '\n' |
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355 |
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356 def text(self): |
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357 self._compact() |
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358 return self.data |
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359 |
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360 def diff(self, m2, clean=False): |
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361 '''Finds changes between the current manifest and m2.''' |
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362 # XXX think whether efficiency matters here |
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363 diff = {} |
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364 |
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365 for fn, e1, flags in self.iterentries(): |
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366 if fn not in m2: |
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367 diff[fn] = (e1, flags), (None, '') |
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368 else: |
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369 e2 = m2[fn] |
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370 if (e1, flags) != e2: |
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371 diff[fn] = (e1, flags), e2 |
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372 elif clean: |
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373 diff[fn] = None |
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374 |
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375 for fn, e2, flags in m2.iterentries(): |
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376 if fn not in self: |
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377 diff[fn] = (None, ''), (e2, flags) |
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378 |
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379 return diff |
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380 |
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381 def iterentries(self): |
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382 return lazymanifestiterentries(self) |
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383 |
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384 def iterkeys(self): |
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385 return lazymanifestiter(self) |
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386 |
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387 def __iter__(self): |
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388 return lazymanifestiter(self) |
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389 |
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390 def __len__(self): |
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391 return len(self.positions) |
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392 |
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393 def filtercopy(self, filterfn): |
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394 # XXX should be optimized |
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395 c = _lazymanifest('') |
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396 for f, n, fl in self.iterentries(): |
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397 if filterfn(f): |
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398 c[f] = n, fl |
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399 return c |
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400 |
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401 try: |
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402 _lazymanifest = parsers.lazymanifest |
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403 except AttributeError: |
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404 pass |
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405 |
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406 class manifestdict(object): |
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407 def __init__(self, data=''): |
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408 if data.startswith('\0'): |
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409 #_lazymanifest can not parse v2 |
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410 self._lm = _lazymanifest('') |
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411 for f, n, fl in _parsev2(data): |
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412 self._lm[f] = n, fl |
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413 else: |
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414 self._lm = _lazymanifest(data) |
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415 |
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416 def __getitem__(self, key): |
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417 return self._lm[key][0] |
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418 |
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419 def find(self, key): |
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420 return self._lm[key] |
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421 |
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422 def __len__(self): |
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423 return len(self._lm) |
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424 |
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425 def __nonzero__(self): |
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426 # nonzero is covered by the __len__ function, but implementing it here |
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427 # makes it easier for extensions to override. |
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428 return len(self._lm) != 0 |
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429 |
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430 def __setitem__(self, key, node): |
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431 self._lm[key] = node, self.flags(key, '') |
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432 |
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433 def __contains__(self, key): |
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434 return key in self._lm |
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|
435 |
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manifest: split manifestdict into high-level and low-level logic
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|
436 def __delitem__(self, key): |
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manifest: split manifestdict into high-level and low-level logic
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parents:
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|
437 del self._lm[key] |
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changeset
|
438 |
24295
2b7ab29627fd
lazymanifest: add iterkeys() method
Martin von Zweigbergk <martinvonz@google.com>
parents:
24292
diff
changeset
|
439 def __iter__(self): |
24298
49cd847fd69a
lazymanifest: make __iter__ generate filenames, not 3-tuples
Martin von Zweigbergk <martinvonz@google.com>
parents:
24297
diff
changeset
|
440 return self._lm.__iter__() |
24225
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parents:
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|
441 |
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changeset
|
442 def iterkeys(self): |
24295
2b7ab29627fd
lazymanifest: add iterkeys() method
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diff
changeset
|
443 return self._lm.iterkeys() |
2b7ab29627fd
lazymanifest: add iterkeys() method
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24292
diff
changeset
|
444 |
2b7ab29627fd
lazymanifest: add iterkeys() method
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parents:
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diff
changeset
|
445 def keys(self): |
2b7ab29627fd
lazymanifest: add iterkeys() method
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parents:
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diff
changeset
|
446 return list(self.iterkeys()) |
24225
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manifest: split manifestdict into high-level and low-level logic
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diff
changeset
|
447 |
24184
cd66080ef6d4
copies: move code into new manifestdict.filesnotin() method
Martin von Zweigbergk <martinvonz@google.com>
parents:
24147
diff
changeset
|
448 def filesnotin(self, m2): |
cd66080ef6d4
copies: move code into new manifestdict.filesnotin() method
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parents:
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diff
changeset
|
449 '''Set of files in this manifest that are not in the other''' |
29056
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Tony Tung <tonytung@merly.org>
parents:
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|
450 diff = self.diff(m2) |
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diff
changeset
|
451 files = set(filepath |
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diff
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|
452 for filepath, hashflags in diff.iteritems() |
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diff
changeset
|
453 if hashflags[1][0] is None) |
24184
cd66080ef6d4
copies: move code into new manifestdict.filesnotin() method
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
454 return files |
cd66080ef6d4
copies: move code into new manifestdict.filesnotin() method
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diff
changeset
|
455 |
24322
f263814c72ac
manifest: add dirs() to manifestdict
Drew Gottlieb <drgott@google.com>
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diff
changeset
|
456 @propertycache |
f263814c72ac
manifest: add dirs() to manifestdict
Drew Gottlieb <drgott@google.com>
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diff
changeset
|
457 def _dirs(self): |
24635
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
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parents:
24600
diff
changeset
|
458 return util.dirs(self) |
24322
f263814c72ac
manifest: add dirs() to manifestdict
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diff
changeset
|
459 |
f263814c72ac
manifest: add dirs() to manifestdict
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diff
changeset
|
460 def dirs(self): |
f263814c72ac
manifest: add dirs() to manifestdict
Drew Gottlieb <drgott@google.com>
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diff
changeset
|
461 return self._dirs |
f263814c72ac
manifest: add dirs() to manifestdict
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parents:
24298
diff
changeset
|
462 |
24324
149cc171e4a0
manifest: add manifestdict.hasdir() method
Drew Gottlieb <drgott@google.com>
parents:
24322
diff
changeset
|
463 def hasdir(self, dir): |
149cc171e4a0
manifest: add manifestdict.hasdir() method
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diff
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|
464 return dir in self._dirs |
149cc171e4a0
manifest: add manifestdict.hasdir() method
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parents:
24322
diff
changeset
|
465 |
24685
b3d78d82d84c
manifestdict: extract condition for _intersectfiles() and use for walk()
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
466 def _filesfastpath(self, match): |
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manifestdict: extract condition for _intersectfiles() and use for walk()
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|
467 '''Checks whether we can correctly and quickly iterate over matcher |
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manifestdict: extract condition for _intersectfiles() and use for walk()
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diff
changeset
|
468 files instead of over manifest files.''' |
b3d78d82d84c
manifestdict: extract condition for _intersectfiles() and use for walk()
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parents:
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diff
changeset
|
469 files = match.files() |
b3d78d82d84c
manifestdict: extract condition for _intersectfiles() and use for walk()
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parents:
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diff
changeset
|
470 return (len(files) < 100 and (match.isexact() or |
25276
c436ba9d6ac0
manifest: use match.prefix() instead of 'not match.anypats()'
Martin von Zweigbergk <martinvonz@google.com>
parents:
25222
diff
changeset
|
471 (match.prefix() and all(fn in self for fn in files)))) |
24685
b3d78d82d84c
manifestdict: extract condition for _intersectfiles() and use for walk()
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parents:
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diff
changeset
|
472 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
473 def walk(self, match): |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
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diff
changeset
|
474 '''Generates matching file names. |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
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diff
changeset
|
475 |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
476 Equivalent to manifest.matches(match).iterkeys(), but without creating |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
477 an entirely new manifest. |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
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diff
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|
478 |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
479 It also reports nonexistent files by marking them bad with match.bad(). |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
480 ''' |
24683
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
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parents:
24682
diff
changeset
|
481 if match.always(): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
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parents:
24682
diff
changeset
|
482 for f in iter(self): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
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parents:
24682
diff
changeset
|
483 yield f |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
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parents:
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diff
changeset
|
484 return |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
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parents:
24682
diff
changeset
|
485 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
486 fset = set(match.files()) |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
487 |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
488 # avoid the entire walk if we're only looking for specific files |
24685
b3d78d82d84c
manifestdict: extract condition for _intersectfiles() and use for walk()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24684
diff
changeset
|
489 if self._filesfastpath(match): |
24667
19c5b0913960
manifest.walk: join nested if-conditions
Martin von Zweigbergk <martinvonz@google.com>
parents:
24666
diff
changeset
|
490 for fn in sorted(fset): |
19c5b0913960
manifest.walk: join nested if-conditions
Martin von Zweigbergk <martinvonz@google.com>
parents:
24666
diff
changeset
|
491 yield fn |
24682
aef3d1469773
manifest.walk: use return instead of StopIteration in generator
Martin von Zweigbergk <martinvonz@google.com>
parents:
24670
diff
changeset
|
492 return |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
493 |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
494 for fn in self: |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
495 if fn in fset: |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
496 # specified pattern is the exact name |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
497 fset.remove(fn) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
498 if match(fn): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
499 yield fn |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
500 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
501 # for dirstate.walk, files=['.'] means "walk the whole tree". |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
502 # follow that here, too |
5693c834bcb4
manifest: move changectx.walk() to manifests
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parents:
24636
diff
changeset
|
503 fset.discard('.') |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
504 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
505 for fn in sorted(fset): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
506 if not self.hasdir(fn): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
507 match.bad(fn, None) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
508 |
23305
0cc283f44655
manifest: add matches() method
Martin von Zweigbergk <martinvonz@google.com>
parents:
22966
diff
changeset
|
509 def matches(self, match): |
0cc283f44655
manifest: add matches() method
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parents:
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diff
changeset
|
510 '''generate a new manifest filtered by the match argument''' |
0cc283f44655
manifest: add matches() method
Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
511 if match.always(): |
0cc283f44655
manifest: add matches() method
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parents:
22966
diff
changeset
|
512 return self.copy() |
0cc283f44655
manifest: add matches() method
Martin von Zweigbergk <martinvonz@google.com>
parents:
22966
diff
changeset
|
513 |
24685
b3d78d82d84c
manifestdict: extract condition for _intersectfiles() and use for walk()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24684
diff
changeset
|
514 if self._filesfastpath(match): |
24666
3092885b5b32
manifestdict: inline _intersectfiles()
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parents:
24665
diff
changeset
|
515 m = manifestdict() |
3092885b5b32
manifestdict: inline _intersectfiles()
Martin von Zweigbergk <martinvonz@google.com>
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24665
diff
changeset
|
516 lm = self._lm |
3092885b5b32
manifestdict: inline _intersectfiles()
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
517 for fn in match.files(): |
3092885b5b32
manifestdict: inline _intersectfiles()
Martin von Zweigbergk <martinvonz@google.com>
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24665
diff
changeset
|
518 if fn in lm: |
3092885b5b32
manifestdict: inline _intersectfiles()
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parents:
24665
diff
changeset
|
519 m._lm[fn] = lm[fn] |
3092885b5b32
manifestdict: inline _intersectfiles()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24665
diff
changeset
|
520 return m |
23305
0cc283f44655
manifest: add matches() method
Martin von Zweigbergk <martinvonz@google.com>
parents:
22966
diff
changeset
|
521 |
24700
32b268cbff00
manifestdict: drop empty-string argument when creating empty manifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
24685
diff
changeset
|
522 m = manifestdict() |
24664
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
24647
diff
changeset
|
523 m._lm = self._lm.filtercopy(match) |
ea4a7c8909ae
manifestdict.matches: avoid name 'lm' for a not-lazymanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
24647
diff
changeset
|
524 return m |
23305
0cc283f44655
manifest: add matches() method
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parents:
22966
diff
changeset
|
525 |
23756
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
526 def diff(self, m2, clean=False): |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
527 '''Finds changes between the current manifest and m2. |
829f640b5540
manifest: add optional recording of clean entries to diff
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parents:
23602
diff
changeset
|
528 |
829f640b5540
manifest: add optional recording of clean entries to diff
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parents:
23602
diff
changeset
|
529 Args: |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
530 m2: the manifest to which this manifest should be compared. |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
531 clean: if true, include files unchanged between these manifests |
829f640b5540
manifest: add optional recording of clean entries to diff
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parents:
23602
diff
changeset
|
532 with a None value in the returned dictionary. |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
533 |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
534 The result is returned as a dict with filename as key and |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
535 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
536 nodeid in the current/other manifest and fl1/fl2 is the flag |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
537 in the current/other manifest. Where the file does not exist, |
829f640b5540
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Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
538 the nodeid will be None and the flags will be the empty |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
539 string. |
829f640b5540
manifest: add optional recording of clean entries to diff
Augie Fackler <augie@google.com>
parents:
23602
diff
changeset
|
540 ''' |
24225
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
541 return self._lm.diff(m2._lm, clean) |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
542 |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
543 def setflag(self, key, flag): |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
544 self._lm[key] = self[key], flag |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
545 |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
546 def get(self, key, default=None): |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
547 try: |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
548 return self._lm[key][0] |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
549 except KeyError: |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
550 return default |
22965
b697fa74b475
manifest: for diff(), only iterate over files, not flags
Martin von Zweigbergk <martinvonz@gmail.com>
parents:
22964
diff
changeset
|
551 |
24225
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
552 def flags(self, key, default=''): |
3e5c4af69808
manifest: split manifestdict into high-level and low-level logic
Augie Fackler <augie@google.com>
parents:
24224
diff
changeset
|
553 try: |
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554 return self._lm[key][1] |
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555 except KeyError: |
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556 return default |
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557 |
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558 def copy(self): |
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559 c = manifestdict() |
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560 c._lm = self._lm.copy() |
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561 return c |
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562 |
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563 def iteritems(self): |
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564 return (x[:2] for x in self._lm.iterentries()) |
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566 def iterentries(self): |
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567 return self._lm.iterentries() |
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568 |
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569 def text(self, usemanifestv2=False): |
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570 if usemanifestv2: |
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571 return _textv2(self._lm.iterentries()) |
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572 else: |
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573 # use (probably) native version for v1 |
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574 return self._lm.text() |
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575 |
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576 def fastdelta(self, base, changes): |
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577 """Given a base manifest text as an array.array and a list of changes |
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578 relative to that text, compute a delta that can be used by revlog. |
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579 """ |
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580 delta = [] |
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581 dstart = None |
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582 dend = None |
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583 dline = [""] |
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584 start = 0 |
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585 # zero copy representation of base as a buffer |
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586 addbuf = util.buffer(base) |
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587 |
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588 changes = list(changes) |
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589 if len(changes) < 1000: |
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590 # start with a readonly loop that finds the offset of |
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591 # each line and creates the deltas |
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592 for f, todelete in changes: |
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593 # bs will either be the index of the item or the insert point |
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594 start, end = _msearch(addbuf, f, start) |
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595 if not todelete: |
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596 h, fl = self._lm[f] |
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597 l = "%s\0%s%s\n" % (f, revlog.hex(h), fl) |
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598 else: |
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599 if start == end: |
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600 # item we want to delete was not found, error out |
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601 raise AssertionError( |
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602 _("failed to remove %s from manifest") % f) |
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603 l = "" |
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604 if dstart is not None and dstart <= start and dend >= start: |
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605 if dend < end: |
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606 dend = end |
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607 if l: |
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608 dline.append(l) |
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609 else: |
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610 if dstart is not None: |
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611 delta.append([dstart, dend, "".join(dline)]) |
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612 dstart = start |
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613 dend = end |
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614 dline = [l] |
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615 |
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616 if dstart is not None: |
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617 delta.append([dstart, dend, "".join(dline)]) |
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618 # apply the delta to the base, and get a delta for addrevision |
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619 deltatext, arraytext = _addlistdelta(base, delta) |
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620 else: |
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621 # For large changes, it's much cheaper to just build the text and |
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622 # diff it. |
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623 arraytext = array.array('c', self.text()) |
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624 deltatext = mdiff.textdiff(base, arraytext) |
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625 |
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626 return arraytext, deltatext |
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|
627 |
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628 def _msearch(m, s, lo=0, hi=None): |
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629 '''return a tuple (start, end) that says where to find s within m. |
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630 |
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631 If the string is found m[start:end] are the line containing |
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632 that string. If start == end the string was not found and |
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633 they indicate the proper sorted insertion point. |
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634 |
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635 m should be a buffer or a string |
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636 s is a string''' |
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637 def advance(i, c): |
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638 while i < lenm and m[i] != c: |
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639 i += 1 |
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640 return i |
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641 if not s: |
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642 return (lo, lo) |
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643 lenm = len(m) |
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644 if not hi: |
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645 hi = lenm |
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646 while lo < hi: |
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647 mid = (lo + hi) // 2 |
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648 start = mid |
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649 while start > 0 and m[start - 1] != '\n': |
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650 start -= 1 |
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651 end = advance(start, '\0') |
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652 if m[start:end] < s: |
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653 # we know that after the null there are 40 bytes of sha1 |
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654 # this translates to the bisect lo = mid + 1 |
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655 lo = advance(end + 40, '\n') + 1 |
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656 else: |
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657 # this translates to the bisect hi = mid |
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658 hi = start |
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659 end = advance(lo, '\0') |
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660 found = m[lo:end] |
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661 if s == found: |
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662 # we know that after the null there are 40 bytes of sha1 |
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663 end = advance(end + 40, '\n') |
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664 return (lo, end + 1) |
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665 else: |
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666 return (lo, lo) |
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|
667 |
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668 def _checkforbidden(l): |
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|
669 """Check filenames for illegal characters.""" |
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670 for f in l: |
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671 if '\n' in f or '\r' in f: |
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672 raise error.RevlogError( |
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673 _("'\\n' and '\\r' disallowed in filenames: %r") % f) |
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674 |
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|
675 |
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676 # apply the changes collected during the bisect loop to our addlist |
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677 # return a delta suitable for addrevision |
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|
678 def _addlistdelta(addlist, x): |
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679 # for large addlist arrays, building a new array is cheaper |
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680 # than repeatedly modifying the existing one |
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681 currentposition = 0 |
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682 newaddlist = array.array('c') |
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|
683 |
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684 for start, end, content in x: |
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685 newaddlist += addlist[currentposition:start] |
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686 if content: |
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687 newaddlist += array.array('c', content) |
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|
688 |
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|
689 currentposition = end |
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|
690 |
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|
691 newaddlist += addlist[currentposition:] |
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|
692 |
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|
693 deltatext = "".join(struct.pack(">lll", start, end, len(content)) |
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694 + content for start, end, content in x) |
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695 return deltatext, newaddlist |
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|
696 |
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|
697 def _splittopdir(f): |
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698 if '/' in f: |
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699 dir, subpath = f.split('/', 1) |
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700 return dir + '/', subpath |
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701 else: |
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702 return '', f |
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|
703 |
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diff
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|
704 _noop = lambda s: None |
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|
705 |
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|
706 class treemanifest(object): |
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707 def __init__(self, dir='', text=''): |
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708 self._dir = dir |
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|
709 self._node = revlog.nullid |
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710 self._loadfunc = _noop |
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|
711 self._copyfunc = _noop |
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712 self._dirty = False |
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713 self._dirs = {} |
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714 # Using _lazymanifest here is a little slower than plain old dicts |
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|
715 self._files = {} |
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|
716 self._flags = {} |
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|
717 if text: |
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|
718 def readsubtree(subdir, subm): |
f0fbd88b21fb
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changeset
|
719 raise AssertionError('treemanifest constructor only accepts ' |
f0fbd88b21fb
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|
720 'flat manifests') |
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|
721 self.parse(text, readsubtree) |
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|
722 self._dirty = True # Mark flat manifest dirty after parsing |
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|
723 |
24403
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changeset
|
724 def _subpath(self, path): |
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|
725 return self._dir + path |
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|
726 |
24401
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changeset
|
727 def __len__(self): |
25222
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|
728 self._load() |
24401
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|
729 size = len(self._files) |
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|
730 for m in self._dirs.values(): |
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diff
changeset
|
731 size += m.__len__() |
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changeset
|
732 return size |
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diff
changeset
|
733 |
24551
4fdf5eac5b39
treemanifest: add treemanifest._isempty()
Drew Gottlieb <drgott@google.com>
parents:
24550
diff
changeset
|
734 def _isempty(self): |
25222
0de132d5328a
treemanifest: lazily load manifests
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diff
changeset
|
735 self._load() # for consistency; already loaded by all callers |
24551
4fdf5eac5b39
treemanifest: add treemanifest._isempty()
Drew Gottlieb <drgott@google.com>
parents:
24550
diff
changeset
|
736 return (not self._files and (not self._dirs or |
25151
6eb4bdad198f
cleanup: use __builtins__.all instead of util.all
Augie Fackler <augie@google.com>
parents:
25119
diff
changeset
|
737 all(m._isempty() for m in self._dirs.values()))) |
24551
4fdf5eac5b39
treemanifest: add treemanifest._isempty()
Drew Gottlieb <drgott@google.com>
parents:
24550
diff
changeset
|
738 |
26400
6f9d9e2a661f
manifest: add id(self) to treemanifest __repr__
Augie Fackler <augie@google.com>
parents:
26199
diff
changeset
|
739 def __repr__(self): |
6f9d9e2a661f
manifest: add id(self) to treemanifest __repr__
Augie Fackler <augie@google.com>
parents:
26199
diff
changeset
|
740 return ('<treemanifest dir=%s, node=%s, loaded=%s, dirty=%s at 0x%x>' % |
25222
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diff
changeset
|
741 (self._dir, revlog.hex(self._node), |
26402
05871262acd5
treemanifest: rework lazy-copying code (issue4840)
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
742 bool(self._loadfunc is _noop), |
26400
6f9d9e2a661f
manifest: add id(self) to treemanifest __repr__
Augie Fackler <augie@google.com>
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diff
changeset
|
743 self._dirty, id(self))) |
25091
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diff
changeset
|
744 |
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changeset
|
745 def dir(self): |
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changeset
|
746 '''The directory that this tree manifest represents, including a |
b5052fc73300
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diff
changeset
|
747 trailing '/'. Empty string for the repo root directory.''' |
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changeset
|
748 return self._dir |
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diff
changeset
|
749 |
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changeset
|
750 def node(self): |
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changeset
|
751 '''This node of this instance. nullid for unsaved instances. Should |
b5052fc73300
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changeset
|
752 be updated when the instance is read or written from a revlog. |
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changeset
|
753 ''' |
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changeset
|
754 assert not self._dirty |
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|
755 return self._node |
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diff
changeset
|
756 |
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diff
changeset
|
757 def setnode(self, node): |
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|
758 self._node = node |
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|
759 self._dirty = False |
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diff
changeset
|
760 |
28206
8ab91d9290ce
treemanifest: implement iterentries()
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diff
changeset
|
761 def iterentries(self): |
8ab91d9290ce
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diff
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|
762 self._load() |
8ab91d9290ce
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diff
changeset
|
763 for p, n in sorted(self._dirs.items() + self._files.items()): |
8ab91d9290ce
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diff
changeset
|
764 if p in self._files: |
8ab91d9290ce
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diff
changeset
|
765 yield self._subpath(p), n, self._flags.get(p, '') |
8ab91d9290ce
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diff
changeset
|
766 else: |
8ab91d9290ce
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diff
changeset
|
767 for x in n.iterentries(): |
8ab91d9290ce
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diff
changeset
|
768 yield x |
8ab91d9290ce
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diff
changeset
|
769 |
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changeset
|
770 def iteritems(self): |
25222
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|
771 self._load() |
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|
772 for p, n in sorted(self._dirs.items() + self._files.items()): |
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|
773 if p in self._files: |
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|
774 yield self._subpath(p), n |
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changeset
|
775 else: |
24403
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diff
changeset
|
776 for f, sn in n.iteritems(): |
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|
777 yield f, sn |
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changeset
|
778 |
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changeset
|
779 def iterkeys(self): |
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changeset
|
780 self._load() |
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|
781 for p in sorted(self._dirs.keys() + self._files.keys()): |
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changeset
|
782 if p in self._files: |
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changeset
|
783 yield self._subpath(p) |
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|
784 else: |
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|
785 for f in self._dirs[p].iterkeys(): |
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diff
changeset
|
786 yield f |
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|
787 |
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|
788 def keys(self): |
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789 return list(self.iterkeys()) |
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|
790 |
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|
791 def __iter__(self): |
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792 return self.iterkeys() |
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|
793 |
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|
794 def __contains__(self, f): |
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|
795 if f is None: |
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|
796 return False |
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|
797 self._load() |
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798 dir, subpath = _splittopdir(f) |
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|
799 if dir: |
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|
800 if dir not in self._dirs: |
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|
801 return False |
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|
802 return self._dirs[dir].__contains__(subpath) |
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|
803 else: |
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|
804 return f in self._files |
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|
805 |
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|
806 def get(self, f, default=None): |
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|
807 self._load() |
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808 dir, subpath = _splittopdir(f) |
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|
809 if dir: |
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|
810 if dir not in self._dirs: |
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|
811 return default |
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|
812 return self._dirs[dir].get(subpath, default) |
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|
813 else: |
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|
814 return self._files.get(f, default) |
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|
815 |
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|
816 def __getitem__(self, f): |
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|
817 self._load() |
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818 dir, subpath = _splittopdir(f) |
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|
819 if dir: |
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|
820 return self._dirs[dir].__getitem__(subpath) |
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|
821 else: |
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|
822 return self._files[f] |
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|
823 |
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|
824 def flags(self, f): |
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825 self._load() |
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826 dir, subpath = _splittopdir(f) |
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827 if dir: |
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|
828 if dir not in self._dirs: |
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|
829 return '' |
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|
830 return self._dirs[dir].flags(subpath) |
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|
831 else: |
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|
832 if f in self._dirs: |
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|
833 return '' |
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|
834 return self._flags.get(f, '') |
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|
835 |
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|
836 def find(self, f): |
25222
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|
837 self._load() |
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838 dir, subpath = _splittopdir(f) |
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|
839 if dir: |
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|
840 return self._dirs[dir].find(subpath) |
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|
841 else: |
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|
842 return self._files[f], self._flags.get(f, '') |
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|
843 |
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|
844 def __delitem__(self, f): |
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|
845 self._load() |
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|
846 dir, subpath = _splittopdir(f) |
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|
847 if dir: |
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|
848 self._dirs[dir].__delitem__(subpath) |
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changeset
|
849 # If the directory is now empty, remove it |
24551
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treemanifest: add treemanifest._isempty()
Drew Gottlieb <drgott@google.com>
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24550
diff
changeset
|
850 if self._dirs[dir]._isempty(): |
24401
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|
851 del self._dirs[dir] |
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|
852 else: |
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|
853 del self._files[f] |
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|
854 if f in self._flags: |
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|
855 del self._flags[f] |
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|
856 self._dirty = True |
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|
857 |
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|
858 def __setitem__(self, f, n): |
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|
859 assert n is not None |
25222
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|
860 self._load() |
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|
861 dir, subpath = _splittopdir(f) |
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|
862 if dir: |
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|
863 if dir not in self._dirs: |
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|
864 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
865 self._dirs[dir].__setitem__(subpath, n) |
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|
866 else: |
24467
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|
867 self._files[f] = n[:21] # to match manifestdict's behavior |
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|
868 self._dirty = True |
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|
869 |
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|
870 def _load(self): |
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|
871 if self._loadfunc is not _noop: |
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|
872 lf, self._loadfunc = self._loadfunc, _noop |
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|
873 lf(self) |
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874 elif self._copyfunc is not _noop: |
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|
875 cf, self._copyfunc = self._copyfunc, _noop |
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|
876 cf(self) |
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|
877 |
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|
878 def setflag(self, f, flags): |
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|
879 """Set the flags (symlink, executable) for path f.""" |
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|
880 self._load() |
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|
881 dir, subpath = _splittopdir(f) |
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882 if dir: |
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|
883 if dir not in self._dirs: |
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|
884 self._dirs[dir] = treemanifest(self._subpath(dir)) |
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|
885 self._dirs[dir].setflag(subpath, flags) |
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886 else: |
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|
887 self._flags[f] = flags |
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888 self._dirty = True |
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|
889 |
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|
890 def copy(self): |
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|
891 copy = treemanifest(self._dir) |
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|
892 copy._node = self._node |
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893 copy._dirty = self._dirty |
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894 if self._copyfunc is _noop: |
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|
895 def _copyfunc(s): |
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896 self._load() |
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|
897 for d in self._dirs: |
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|
898 s._dirs[d] = self._dirs[d].copy() |
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|
899 s._files = dict.copy(self._files) |
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900 s._flags = dict.copy(self._flags) |
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|
901 if self._loadfunc is _noop: |
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|
902 _copyfunc(copy) |
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26401
diff
changeset
|
903 else: |
05871262acd5
treemanifest: rework lazy-copying code (issue4840)
Augie Fackler <augie@google.com>
parents:
26401
diff
changeset
|
904 copy._copyfunc = _copyfunc |
05871262acd5
treemanifest: rework lazy-copying code (issue4840)
Augie Fackler <augie@google.com>
parents:
26401
diff
changeset
|
905 else: |
05871262acd5
treemanifest: rework lazy-copying code (issue4840)
Augie Fackler <augie@google.com>
parents:
26401
diff
changeset
|
906 copy._copyfunc = self._copyfunc |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
907 return copy |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
908 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
909 def filesnotin(self, m2): |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
910 '''Set of files in this manifest that are not in the other''' |
24405
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
911 files = set() |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
912 def _filesnotin(t1, t2): |
25220
f0fbd88b21fb
treemanifest: speed up diff by keeping track of dirty nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
25188
diff
changeset
|
913 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
f0fbd88b21fb
treemanifest: speed up diff by keeping track of dirty nodes
Martin von Zweigbergk <martinvonz@google.com>
parents:
25188
diff
changeset
|
914 return |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
915 t1._load() |
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
916 t2._load() |
24405
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
917 for d, m1 in t1._dirs.iteritems(): |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
918 if d in t2._dirs: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
919 m2 = t2._dirs[d] |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
920 _filesnotin(m1, m2) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
921 else: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
922 files.update(m1.iterkeys()) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
923 |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
924 for fn in t1._files.iterkeys(): |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
925 if fn not in t2._files: |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
926 files.add(t1._subpath(fn)) |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
927 |
cbe9d50d9e65
treemanifest: make filesnotin() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24404
diff
changeset
|
928 _filesnotin(self, m2) |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
929 return files |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
930 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
931 @propertycache |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
932 def _alldirs(self): |
24635
21e1ece30f8c
util: move dirs() and finddirs() from scmutil to util
Drew Gottlieb <drgott@google.com>
parents:
24600
diff
changeset
|
933 return util.dirs(self) |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
934 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
935 def dirs(self): |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
936 return self._alldirs |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
937 |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
938 def hasdir(self, dir): |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
939 self._load() |
24406
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
940 topdir, subdir = _splittopdir(dir) |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
941 if topdir: |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
942 if topdir in self._dirs: |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
943 return self._dirs[topdir].hasdir(subdir) |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
944 return False |
1297480ed347
treemanifest: make hasdir() faster
Martin von Zweigbergk <martinvonz@google.com>
parents:
24405
diff
changeset
|
945 return (dir + '/') in self._dirs |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
946 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
947 def walk(self, match): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
948 '''Generates matching file names. |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
949 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
950 Equivalent to manifest.matches(match).iterkeys(), but without creating |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
951 an entirely new manifest. |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
952 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
953 It also reports nonexistent files by marking them bad with match.bad(). |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
954 ''' |
24683
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
955 if match.always(): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
956 for f in iter(self): |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
957 yield f |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
958 return |
4eaea0ed8dc1
manifest.walk: special-case match.always() for speed
Martin von Zweigbergk <martinvonz@google.com>
parents:
24682
diff
changeset
|
959 |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
960 fset = set(match.files()) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
961 |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
962 for fn in self._walk(match): |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
963 if fn in fset: |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
964 # specified pattern is the exact name |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
965 fset.remove(fn) |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
966 yield fn |
24646
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
967 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
968 # for dirstate.walk, files=['.'] means "walk the whole tree". |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
969 # follow that here, too |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
970 fset.discard('.') |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
971 |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
972 for fn in sorted(fset): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
973 if not self.hasdir(fn): |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
974 match.bad(fn, None) |
5693c834bcb4
manifest: move changectx.walk() to manifests
Drew Gottlieb <drgott@google.com>
parents:
24636
diff
changeset
|
975 |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
976 def _walk(self, match): |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
977 '''Recursively generates matching file names for walk().''' |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
978 if not match.visitdir(self._dir[:-1] or '.'): |
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
979 return |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
980 |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
981 # yield this dir's files and walk its submanifests |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
982 self._load() |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
983 for p in sorted(self._dirs.keys() + self._files.keys()): |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
984 if p in self._files: |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
985 fullp = self._subpath(p) |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
986 if match(fullp): |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
987 yield fullp |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
988 else: |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
989 for f in self._dirs[p]._walk(match): |
24647
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
990 yield f |
fb446c57f8f9
treemanifest: refactor treemanifest.walk()
Drew Gottlieb <drgott@google.com>
parents:
24646
diff
changeset
|
991 |
24401
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
992 def matches(self, match): |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
993 '''generate a new manifest filtered by the match argument''' |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
994 if match.always(): |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
995 return self.copy() |
e6e023d57e94
treemanifest: create treemanifest class
Martin von Zweigbergk <martinvonz@google.com>
parents:
24396
diff
changeset
|
996 |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
997 return self._matches(match) |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
998 |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
999 def _matches(self, match): |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1000 '''recursively generate a new manifest filtered by the match argument. |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
1001 ''' |
27343
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
1002 |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
1003 visit = match.visitdir(self._dir[:-1] or '.') |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
1004 if visit == 'all': |
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
1005 return self.copy() |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1006 ret = treemanifest(self._dir) |
27343
c59647c6694d
treemanifest: don't iterate entire matching submanifests on match()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27271
diff
changeset
|
1007 if not visit: |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
1008 return ret |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1009 |
25222
0de132d5328a
treemanifest: lazily load manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
25221
diff
changeset
|
1010 self._load() |
24552
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1011 for fn in self._files: |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1012 fullp = self._subpath(fn) |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1013 if not match(fullp): |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1014 continue |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1015 ret._files[fn] = self._files[fn] |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1016 if fn in self._flags: |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1017 ret._flags[fn] = self._flags[fn] |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1018 |
a2292da6d821
treemanifest: make treemanifest.matches() faster
Drew Gottlieb <drgott@google.com>
parents:
24551
diff
changeset
|
1019 for dir, subm in self._dirs.iteritems(): |
25188
2773540c3650
match: remove unnecessary optimization where visitdir() returns 'all'
Drew Gottlieb <drgott@google.com>
parents:
25185
diff
changeset
|
1020 m = subm._matches(match) |
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1021 if not m._isempty(): |
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1022 ret._dirs[dir] = m |
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1023 |
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1024 if not ret._isempty(): |
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1025 ret._dirty = True |
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1026 return ret |
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1027 |
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1028 def diff(self, m2, clean=False): |
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1029 '''Finds changes between the current manifest and m2. |
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1030 |
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1031 Args: |
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1032 m2: the manifest to which this manifest should be compared. |
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1033 clean: if true, include files unchanged between these manifests |
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1034 with a None value in the returned dictionary. |
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1035 |
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1036 The result is returned as a dict with filename as key and |
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1037 values of the form ((n1,fl1),(n2,fl2)), where n1/n2 is the |
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1038 nodeid in the current/other manifest and fl1/fl2 is the flag |
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1039 in the current/other manifest. Where the file does not exist, |
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1040 the nodeid will be None and the flags will be the empty |
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1041 string. |
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1042 ''' |
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1043 result = {} |
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1044 emptytree = treemanifest() |
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1045 def _diff(t1, t2): |
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1046 if t1._node == t2._node and not t1._dirty and not t2._dirty: |
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1047 return |
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1048 t1._load() |
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1049 t2._load() |
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1050 for d, m1 in t1._dirs.iteritems(): |
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1051 m2 = t2._dirs.get(d, emptytree) |
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1052 _diff(m1, m2) |
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1053 |
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1054 for d, m2 in t2._dirs.iteritems(): |
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1055 if d not in t1._dirs: |
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1056 _diff(emptytree, m2) |
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1057 |
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1058 for fn, n1 in t1._files.iteritems(): |
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1059 fl1 = t1._flags.get(fn, '') |
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1060 n2 = t2._files.get(fn, None) |
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1061 fl2 = t2._flags.get(fn, '') |
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1062 if n1 != n2 or fl1 != fl2: |
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1063 result[t1._subpath(fn)] = ((n1, fl1), (n2, fl2)) |
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1064 elif clean: |
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1065 result[t1._subpath(fn)] = None |
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1066 |
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1067 for fn, n2 in t2._files.iteritems(): |
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1068 if fn not in t1._files: |
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1069 fl2 = t2._flags.get(fn, '') |
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1070 result[t2._subpath(fn)] = ((None, ''), (n2, fl2)) |
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1071 |
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1072 _diff(self, m2) |
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1073 return result |
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1074 |
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1075 def unmodifiedsince(self, m2): |
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1076 return not self._dirty and not m2._dirty and self._node == m2._node |
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1077 |
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1078 def parse(self, text, readsubtree): |
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1079 for f, n, fl in _parse(text): |
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1080 if fl == 't': |
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1081 f = f + '/' |
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1082 self._dirs[f] = readsubtree(self._subpath(f), n) |
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1083 elif '/' in f: |
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1084 # This is a flat manifest, so use __setitem__ and setflag rather |
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1085 # than assigning directly to _files and _flags, so we can |
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1086 # assign a path in a subdirectory, and to mark dirty (compared |
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1087 # to nullid). |
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1088 self[f] = n |
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1089 if fl: |
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1090 self.setflag(f, fl) |
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1091 else: |
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1092 # Assigning to _files and _flags avoids marking as dirty, |
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1093 # and should be a little faster. |
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1094 self._files[f] = n |
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1095 if fl: |
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1096 self._flags[f] = fl |
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1097 |
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1098 def text(self, usemanifestv2=False): |
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1099 """Get the full data of this manifest as a bytestring.""" |
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1100 self._load() |
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1101 return _text(self.iterentries(), usemanifestv2) |
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1102 |
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1103 def dirtext(self, usemanifestv2=False): |
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1104 """Get the full data of this directory as a bytestring. Make sure that |
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1105 any submanifests have been written first, so their nodeids are correct. |
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1106 """ |
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1107 self._load() |
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1108 flags = self.flags |
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1109 dirs = [(d[:-1], self._dirs[d]._node, 't') for d in self._dirs] |
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1110 files = [(f, self._files[f], flags(f)) for f in self._files] |
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1111 return _text(sorted(dirs + files), usemanifestv2) |
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1112 |
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1113 def read(self, gettext, readsubtree): |
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1114 def _load_for_read(s): |
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1115 s.parse(gettext(), readsubtree) |
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1116 s._dirty = False |
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1117 self._loadfunc = _load_for_read |
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1118 |
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1119 def writesubtrees(self, m1, m2, writesubtree): |
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1120 self._load() # for consistency; should never have any effect here |
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1121 m1._load() |
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1122 m2._load() |
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1123 emptytree = treemanifest() |
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1124 for d, subm in self._dirs.iteritems(): |
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1125 subp1 = m1._dirs.get(d, emptytree)._node |
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1126 subp2 = m2._dirs.get(d, emptytree)._node |
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1127 if subp1 == revlog.nullid: |
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1128 subp1, subp2 = subp2, subp1 |
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1129 writesubtree(subm, subp1, subp2) |
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1130 |
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1131 class manifestrevlog(revlog.revlog): |
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1132 '''A revlog that stores manifest texts. This is responsible for caching the |
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1133 full-text manifest contents. |
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1134 ''' |
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1135 def __init__(self, opener, dir='', dirlogcache=None): |
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1136 # During normal operations, we expect to deal with not more than four |
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1137 # revs at a time (such as during commit --amend). When rebasing large |
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1138 # stacks of commits, the number can go up, hence the config knob below. |
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1139 cachesize = 4 |
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1140 usetreemanifest = False |
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1141 usemanifestv2 = False |
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1142 opts = getattr(opener, 'options', None) |
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1143 if opts is not None: |
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1144 cachesize = opts.get('manifestcachesize', cachesize) |
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1145 usetreemanifest = opts.get('treemanifest', usetreemanifest) |
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1146 usemanifestv2 = opts.get('manifestv2', usemanifestv2) |
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1147 |
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1148 self._treeondisk = usetreemanifest |
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1149 self._usemanifestv2 = usemanifestv2 |
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1150 |
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1151 self._fulltextcache = util.lrucachedict(cachesize) |
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1152 |
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1153 indexfile = "00manifest.i" |
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1154 if dir: |
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1155 assert self._treeondisk, 'opts is %r' % opts |
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1156 if not dir.endswith('/'): |
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1157 dir = dir + '/' |
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1158 indexfile = "meta/" + dir + "00manifest.i" |
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1159 self._dir = dir |
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1160 # The dirlogcache is kept on the root manifest log |
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1161 if dir: |
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1162 self._dirlogcache = dirlogcache |
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1163 else: |
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1164 self._dirlogcache = {'': self} |
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1165 |
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1166 super(manifestrevlog, self).__init__(opener, indexfile, |
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1167 checkambig=bool(dir)) |
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1168 |
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1169 @property |
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1170 def fulltextcache(self): |
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1171 return self._fulltextcache |
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1172 |
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1173 def clearcaches(self): |
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1174 super(manifestrevlog, self).clearcaches() |
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1175 self._fulltextcache.clear() |
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1176 self._dirlogcache = {'': self} |
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1177 |
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1178 def dirlog(self, dir): |
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1179 if dir: |
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1180 assert self._treeondisk |
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1181 if dir not in self._dirlogcache: |
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1182 self._dirlogcache[dir] = manifestrevlog(self.opener, dir, |
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1183 self._dirlogcache) |
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1184 return self._dirlogcache[dir] |
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1185 |
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1186 def add(self, m, transaction, link, p1, p2, added, removed, readtree=None): |
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1187 if (p1 in self.fulltextcache and util.safehasattr(m, 'fastdelta') |
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1188 and not self._usemanifestv2): |
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1189 # If our first parent is in the manifest cache, we can |
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1190 # compute a delta here using properties we know about the |
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1191 # manifest up-front, which may save time later for the |
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1192 # revlog layer. |
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1193 |
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1194 _checkforbidden(added) |
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1195 # combine the changed lists into one sorted iterator |
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1196 work = heapq.merge([(x, False) for x in added], |
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1197 [(x, True) for x in removed]) |
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1198 |
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1199 arraytext, deltatext = m.fastdelta(self.fulltextcache[p1], work) |
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1200 cachedelta = self.rev(p1), deltatext |
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1201 text = util.buffer(arraytext) |
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1202 n = self.addrevision(text, transaction, link, p1, p2, cachedelta) |
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1203 else: |
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1204 # The first parent manifest isn't already loaded, so we'll |
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1205 # just encode a fulltext of the manifest and pass that |
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1206 # through to the revlog layer, and let it handle the delta |
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1207 # process. |
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1208 if self._treeondisk: |
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1209 assert readtree, "readtree must be set for treemanifest writes" |
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1210 m1 = readtree(self._dir, p1) |
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1211 m2 = readtree(self._dir, p2) |
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1212 n = self._addtree(m, transaction, link, m1, m2, readtree) |
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1213 arraytext = None |
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1214 else: |
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1215 text = m.text(self._usemanifestv2) |
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1216 n = self.addrevision(text, transaction, link, p1, p2) |
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1217 arraytext = array.array('c', text) |
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1218 |
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1219 if arraytext is not None: |
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1220 self.fulltextcache[n] = arraytext |
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1221 |
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1222 return n |
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1223 |
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1224 def _addtree(self, m, transaction, link, m1, m2, readtree): |
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1225 # If the manifest is unchanged compared to one parent, |
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1226 # don't write a new revision |
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1227 if m.unmodifiedsince(m1) or m.unmodifiedsince(m2): |
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1228 return m.node() |
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1229 def writesubtree(subm, subp1, subp2): |
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1230 sublog = self.dirlog(subm.dir()) |
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1231 sublog.add(subm, transaction, link, subp1, subp2, None, None, |
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1232 readtree=readtree) |
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1233 m.writesubtrees(m1, m2, writesubtree) |
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1234 text = m.dirtext(self._usemanifestv2) |
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1235 # Double-check whether contents are unchanged to one parent |
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1236 if text == m1.dirtext(self._usemanifestv2): |
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1237 n = m1.node() |
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1238 elif text == m2.dirtext(self._usemanifestv2): |
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1239 n = m2.node() |
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1240 else: |
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1241 n = self.addrevision(text, transaction, link, m1.node(), m2.node()) |
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1242 # Save nodeid so parent manifest can calculate its nodeid |
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1243 m.setnode(n) |
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1244 return n |
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1245 |
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1246 class manifestlog(object): |
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1247 """A collection class representing the collection of manifest snapshots |
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1248 referenced by commits in the repository. |
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1249 |
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1250 In this situation, 'manifest' refers to the abstract concept of a snapshot |
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1251 of the list of files in the given commit. Consumers of the output of this |
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1252 class do not care about the implementation details of the actual manifests |
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1253 they receive (i.e. tree or flat or lazily loaded, etc).""" |
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1254 def __init__(self, opener, repo): |
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1255 self._repo = repo |
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1256 |
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1257 usetreemanifest = False |
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1258 cachesize = 4 |
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1259 |
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1260 opts = getattr(opener, 'options', None) |
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1261 if opts is not None: |
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1262 usetreemanifest = opts.get('treemanifest', usetreemanifest) |
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1263 cachesize = opts.get('manifestcachesize', cachesize) |
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1264 self._treeinmem = usetreemanifest |
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1265 |
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1266 self._oldmanifest = repo._constructmanifest() |
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1267 self._revlog = self._oldmanifest |
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1268 |
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1269 # A cache of the manifestctx or treemanifestctx for each directory |
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1270 self._dirmancache = {} |
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1271 self._dirmancache[''] = util.lrucachedict(cachesize) |
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1272 |
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1273 self.cachesize = cachesize |
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1274 |
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1275 def __getitem__(self, node): |
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1276 """Retrieves the manifest instance for the given node. Throws a |
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1277 LookupError if not found. |
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1278 """ |
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1279 return self.get('', node) |
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1280 |
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1281 def get(self, dir, node, verify=True): |
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1282 """Retrieves the manifest instance for the given node. Throws a |
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1283 LookupError if not found. |
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1284 |
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1285 `verify` - if True an exception will be thrown if the node is not in |
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1286 the revlog |
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1287 """ |
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1288 if node in self._dirmancache.get(dir, ()): |
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1289 cachemf = self._dirmancache[dir][node] |
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1290 # The old manifest may put non-ctx manifests in the cache, so |
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1291 # skip those since they don't implement the full api. |
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1292 if (isinstance(cachemf, manifestctx) or |
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1293 isinstance(cachemf, treemanifestctx)): |
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1294 return cachemf |
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1295 |
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1296 if dir: |
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1297 if self._revlog._treeondisk: |
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1298 if verify: |
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1299 dirlog = self._revlog.dirlog(dir) |
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1300 if node not in dirlog.nodemap: |
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1301 raise LookupError(node, dirlog.indexfile, |
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1302 _('no node')) |
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1303 m = treemanifestctx(self._repo, dir, node) |
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1304 else: |
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1305 raise error.Abort( |
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1306 _("cannot ask for manifest directory '%s' in a flat " |
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1307 "manifest") % dir) |
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1308 else: |
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1309 if verify: |
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1310 if node not in self._revlog.nodemap: |
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1311 raise LookupError(node, self._revlog.indexfile, |
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1312 _('no node')) |
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1313 if self._treeinmem: |
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1314 m = treemanifestctx(self._repo, '', node) |
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1315 else: |
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1316 m = manifestctx(self._repo, node) |
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1317 |
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1318 if node != revlog.nullid: |
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1319 mancache = self._dirmancache.get(dir) |
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1320 if not mancache: |
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1321 mancache = util.lrucachedict(self.cachesize) |
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1322 self._dirmancache[dir] = mancache |
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1323 mancache[node] = m |
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1324 return m |
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1325 |
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1326 def clearcaches(self): |
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1327 self._dirmancache.clear() |
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1328 self._revlog.clearcaches() |
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1329 |
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1330 class memmanifestctx(object): |
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1331 def __init__(self, repo): |
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1332 self._repo = repo |
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1333 self._manifestdict = manifestdict() |
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1334 |
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1335 def _revlog(self): |
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1336 return self._repo.manifestlog._revlog |
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1337 |
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1338 def new(self): |
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1339 return memmanifestctx(self._repo) |
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1340 |
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1341 def copy(self): |
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1342 memmf = memmanifestctx(self._repo) |
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1343 memmf._manifestdict = self.read().copy() |
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1344 return memmf |
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1345 |
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1346 def read(self): |
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1347 return self._manifestdict |
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1348 |
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1349 def write(self, transaction, link, p1, p2, added, removed): |
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1350 return self._revlog().add(self._manifestdict, transaction, link, p1, p2, |
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1351 added, removed) |
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1352 |
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1353 class manifestctx(object): |
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1354 """A class representing a single revision of a manifest, including its |
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1355 contents, its parent revs, and its linkrev. |
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1356 """ |
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1357 def __init__(self, repo, node): |
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1358 self._repo = repo |
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1359 self._data = None |
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1360 |
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1361 self._node = node |
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1362 |
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1363 # TODO: We eventually want p1, p2, and linkrev exposed on this class, |
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1364 # but let's add it later when something needs it and we can load it |
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1365 # lazily. |
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1366 #self.p1, self.p2 = revlog.parents(node) |
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1367 #rev = revlog.rev(node) |
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1368 #self.linkrev = revlog.linkrev(rev) |
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1369 |
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1370 def _revlog(self): |
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1371 return self._repo.manifestlog._revlog |
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1372 |
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1373 def node(self): |
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1374 return self._node |
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1375 |
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1376 def new(self): |
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1377 return memmanifestctx(self._repo) |
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1378 |
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1379 def copy(self): |
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1380 memmf = memmanifestctx(self._repo) |
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1381 memmf._manifestdict = self.read().copy() |
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1382 return memmf |
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1383 |
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1384 @propertycache |
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1385 def parents(self): |
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1386 return self._revlog().parents(self._node) |
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1387 |
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1388 def read(self): |
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1389 if not self._data: |
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1390 if self._node == revlog.nullid: |
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1391 self._data = manifestdict() |
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1392 else: |
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1393 rl = self._revlog() |
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1394 text = rl.revision(self._node) |
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1395 arraytext = array.array('c', text) |
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1396 rl._fulltextcache[self._node] = arraytext |
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1397 self._data = manifestdict(text) |
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1398 return self._data |
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1399 |
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1400 def readfast(self, shallow=False): |
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1401 '''Calls either readdelta or read, based on which would be less work. |
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1402 readdelta is called if the delta is against the p1, and therefore can be |
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1403 read quickly. |
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1404 |
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1405 If `shallow` is True, nothing changes since this is a flat manifest. |
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1406 ''' |
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1407 rl = self._revlog() |
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1408 r = rl.rev(self._node) |
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1409 deltaparent = rl.deltaparent(r) |
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1410 if deltaparent != revlog.nullrev and deltaparent in rl.parentrevs(r): |
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1411 return self.readdelta() |
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1412 return self.read() |
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1413 |
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1414 def readdelta(self, shallow=False): |
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1415 '''Returns a manifest containing just the entries that are present |
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1416 in this manifest, but not in its p1 manifest. This is efficient to read |
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1417 if the revlog delta is already p1. |
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1418 |
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1419 Changing the value of `shallow` has no effect on flat manifests. |
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1420 ''' |
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1421 revlog = self._revlog() |
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1422 if revlog._usemanifestv2: |
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1423 # Need to perform a slow delta |
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1424 r0 = revlog.deltaparent(revlog.rev(self._node)) |
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1425 m0 = self._repo.manifestlog[revlog.node(r0)].read() |
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1426 m1 = self.read() |
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1427 md = manifestdict() |
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1428 for f, ((n0, fl0), (n1, fl1)) in m0.diff(m1).iteritems(): |
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1429 if n1: |
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1430 md[f] = n1 |
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1431 if fl1: |
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1432 md.setflag(f, fl1) |
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1433 return md |
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1434 |
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1435 r = revlog.rev(self._node) |
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1436 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r)) |
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1437 return manifestdict(d) |
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1438 |
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1439 def find(self, key): |
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1440 return self.read().find(key) |
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1441 |
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1442 class memtreemanifestctx(object): |
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1443 def __init__(self, repo, dir=''): |
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1444 self._repo = repo |
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1445 self._dir = dir |
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1446 self._treemanifest = treemanifest() |
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1447 |
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1448 def _revlog(self): |
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1449 return self._repo.manifestlog._revlog |
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1450 |
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1451 def new(self, dir=''): |
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1452 return memtreemanifestctx(self._repo, dir=dir) |
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1453 |
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1454 def copy(self): |
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1455 memmf = memtreemanifestctx(self._repo, dir=self._dir) |
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1456 memmf._treemanifest = self._treemanifest.copy() |
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1457 return memmf |
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|
1458 |
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1459 def read(self): |
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1460 return self._treemanifest |
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1461 |
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1462 def write(self, transaction, link, p1, p2, added, removed): |
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1463 def readtree(dir, node): |
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1464 return self._repo.manifestlog.get(dir, node).read() |
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1465 return self._revlog().add(self._treemanifest, transaction, link, p1, p2, |
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1466 added, removed, readtree=readtree) |
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1467 |
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1468 class treemanifestctx(object): |
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1469 def __init__(self, repo, dir, node): |
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1470 self._repo = repo |
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1471 self._dir = dir |
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1472 self._data = None |
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1473 |
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1474 self._node = node |
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1475 |
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1476 # TODO: Load p1/p2/linkrev lazily. They need to be lazily loaded so that |
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1477 # we can instantiate treemanifestctx objects for directories we don't |
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1478 # have on disk. |
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1479 #self.p1, self.p2 = revlog.parents(node) |
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1480 #rev = revlog.rev(node) |
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1481 #self.linkrev = revlog.linkrev(rev) |
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1482 |
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1483 def _revlog(self): |
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1484 return self._repo.manifestlog._revlog.dirlog(self._dir) |
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1485 |
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1486 def read(self): |
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1487 if not self._data: |
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1488 rl = self._revlog() |
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1489 if self._node == revlog.nullid: |
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1490 self._data = treemanifest() |
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1491 elif rl._treeondisk: |
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1492 m = treemanifest(dir=self._dir) |
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1493 def gettext(): |
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1494 return rl.revision(self._node) |
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1495 def readsubtree(dir, subm): |
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1496 # Set verify to False since we need to be able to create |
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1497 # subtrees for trees that don't exist on disk. |
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1498 return self._repo.manifestlog.get(dir, subm, |
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1499 verify=False).read() |
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1500 m.read(gettext, readsubtree) |
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1501 m.setnode(self._node) |
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1502 self._data = m |
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1503 else: |
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1504 text = rl.revision(self._node) |
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1505 arraytext = array.array('c', text) |
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1506 rl.fulltextcache[self._node] = arraytext |
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1507 self._data = treemanifest(dir=self._dir, text=text) |
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1508 |
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1509 return self._data |
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1510 |
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1511 def node(self): |
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1512 return self._node |
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1513 |
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1514 def new(self, dir=''): |
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1515 return memtreemanifestctx(self._repo, dir=dir) |
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1516 |
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1517 def copy(self): |
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1518 memmf = memtreemanifestctx(self._repo, dir=self._dir) |
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1519 memmf._treemanifest = self.read().copy() |
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1520 return memmf |
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1521 |
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1522 @propertycache |
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1523 def parents(self): |
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1524 return self._revlog().parents(self._node) |
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1525 |
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1526 def readdelta(self, shallow=False): |
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1527 '''Returns a manifest containing just the entries that are present |
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1528 in this manifest, but not in its p1 manifest. This is efficient to read |
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1529 if the revlog delta is already p1. |
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1530 |
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1531 If `shallow` is True, this will read the delta for this directory, |
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1532 without recursively reading subdirectory manifests. Instead, any |
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1533 subdirectory entry will be reported as it appears in the manifest, i.e. |
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1534 the subdirectory will be reported among files and distinguished only by |
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1535 its 't' flag. |
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1536 ''' |
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1537 revlog = self._revlog() |
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1538 if shallow and not revlog._usemanifestv2: |
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1539 r = revlog.rev(self._node) |
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1540 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r)) |
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1541 return manifestdict(d) |
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1542 else: |
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1543 # Need to perform a slow delta |
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1544 r0 = revlog.deltaparent(revlog.rev(self._node)) |
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1545 m0 = self._repo.manifestlog.get(self._dir, revlog.node(r0)).read() |
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1546 m1 = self.read() |
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1547 md = treemanifest(dir=self._dir) |
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1548 for f, ((n0, fl0), (n1, fl1)) in m0.diff(m1).iteritems(): |
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1549 if n1: |
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1550 md[f] = n1 |
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1551 if fl1: |
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1552 md.setflag(f, fl1) |
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1553 return md |
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1554 |
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1555 def readfast(self, shallow=False): |
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1556 '''Calls either readdelta or read, based on which would be less work. |
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1557 readdelta is called if the delta is against the p1, and therefore can be |
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1558 read quickly. |
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1559 |
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1560 If `shallow` is True, it only returns the entries from this manifest, |
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1561 and not any submanifests. |
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1562 ''' |
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1563 rl = self._revlog() |
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1564 r = rl.rev(self._node) |
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1565 deltaparent = rl.deltaparent(r) |
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1566 if (deltaparent != revlog.nullrev and |
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1567 deltaparent in rl.parentrevs(r)): |
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1568 return self.readdelta(shallow=shallow) |
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1569 |
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1570 if shallow: |
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1571 return manifestdict(rl.revision(self._node)) |
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1572 else: |
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1573 return self.read() |
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|
1574 |
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|
1575 def find(self, key): |
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|
1576 return self.read().find(key) |