Mercurial > hg
annotate mercurial/changelog.py @ 42446:055c3e2c44f0
revlog: speed up isancestor
Currently, it is implemented on top of commonancestorsheads.
Implement it on top of reachableroots instead, as reachableroots could
stop walking the graph much sooner than commonancestorsheads.
Measuring repo.changelog.isancestorrev on two revisions in a private repository:
before: ! wall 0.005175 comb 0.010000 user 0.010000 sys 0.000000 (best of 550)
after : ! wall 0.000072 comb 0.000000 user 0.000000 sys 0.000000 (best of 36199)
When hg does this kind of operations 1500 times in pull ->
bookmarks.comparebookmarks -> bookmarks.validdest, that's 11s that
drop from the --profile output.
Differential Revision: https://phab.mercurial-scm.org/D6506
author | Valentin Gatien-Baron <vgatien-baron@janestreet.com> |
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date | Mon, 10 Jun 2019 13:23:14 -0400 |
parents | 027f1567f97f |
children | e3df1e15bee9 |
rev | line source |
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1095 | 1 # changelog.py - changelog 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 from .i18n import _ |
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11 from .node import ( |
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12 bin, |
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13 hex, |
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14 nullid, |
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15 ) |
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16 from .thirdparty import ( |
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17 attr, |
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18 ) |
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19 |
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20 from . import ( |
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21 encoding, |
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22 error, |
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23 pycompat, |
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24 revlog, |
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25 util, |
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26 ) |
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27 from .utils import ( |
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28 dateutil, |
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29 stringutil, |
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30 ) |
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31 |
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32 _defaultextra = {'branch': 'default'} |
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33 |
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34 def _string_escape(text): |
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35 """ |
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36 >>> from .pycompat import bytechr as chr |
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37 >>> d = {b'nl': chr(10), b'bs': chr(92), b'cr': chr(13), b'nul': chr(0)} |
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38 >>> s = b"ab%(nl)scd%(bs)s%(bs)sn%(nul)s12ab%(cr)scd%(bs)s%(nl)s" % d |
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39 >>> s |
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40 'ab\\ncd\\\\\\\\n\\x0012ab\\rcd\\\\\\n' |
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41 >>> res = _string_escape(s) |
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42 >>> s == _string_unescape(res) |
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43 True |
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44 """ |
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45 # subset of the string_escape codec |
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46 text = text.replace('\\', '\\\\').replace('\n', '\\n').replace('\r', '\\r') |
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47 return text.replace('\0', '\\0') |
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48 |
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49 def _string_unescape(text): |
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50 if '\\0' in text: |
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51 # fix up \0 without getting into trouble with \\0 |
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52 text = text.replace('\\\\', '\\\\\n') |
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53 text = text.replace('\\0', '\0') |
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54 text = text.replace('\n', '') |
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55 return stringutil.unescapestr(text) |
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56 |
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57 def decodeextra(text): |
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58 """ |
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59 >>> from .pycompat import bytechr as chr |
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60 >>> sorted(decodeextra(encodeextra({b'foo': b'bar', b'baz': chr(0) + b'2'}) |
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61 ... ).items()) |
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62 [('baz', '\\x002'), ('branch', 'default'), ('foo', 'bar')] |
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63 >>> sorted(decodeextra(encodeextra({b'foo': b'bar', |
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64 ... b'baz': chr(92) + chr(0) + b'2'}) |
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65 ... ).items()) |
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66 [('baz', '\\\\\\x002'), ('branch', 'default'), ('foo', 'bar')] |
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67 """ |
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68 extra = _defaultextra.copy() |
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69 for l in text.split('\0'): |
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70 if l: |
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71 k, v = _string_unescape(l).split(':', 1) |
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72 extra[k] = v |
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73 return extra |
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74 |
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75 def encodeextra(d): |
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76 # keys must be sorted to produce a deterministic changelog entry |
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77 items = [ |
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78 _string_escape('%s:%s' % (k, pycompat.bytestr(d[k]))) |
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79 for k in sorted(d) |
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80 ] |
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81 return "\0".join(items) |
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82 |
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83 def encodecopies(files, copies): |
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84 items = [] |
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85 for i, dst in enumerate(files): |
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86 if dst in copies: |
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87 items.append('%d\0%s' % (i, copies[dst])) |
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88 if len(items) != len(copies): |
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89 raise error.ProgrammingError('some copy targets missing from file list') |
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90 return "\n".join(items) |
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91 |
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92 def decodecopies(files, data): |
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93 try: |
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94 copies = {} |
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95 for l in data.split('\n'): |
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96 strindex, src = l.split('\0') |
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97 i = int(strindex) |
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98 dst = files[i] |
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99 copies[dst] = src |
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100 return copies |
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101 except (ValueError, IndexError): |
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102 # Perhaps someone had chosen the same key name (e.g. "p1copies") and |
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103 # used different syntax for the value. |
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104 return None |
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105 |
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106 def encodefileindices(files, subset): |
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107 subset = set(subset) |
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108 indices = [] |
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109 for i, f in enumerate(files): |
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110 if f in subset: |
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111 indices.append('%d' % i) |
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112 return '\n'.join(indices) |
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113 |
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114 def decodefileindices(files, data): |
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115 try: |
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116 subset = [] |
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117 for strindex in data.split('\n'): |
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118 i = int(strindex) |
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119 if i < 0 or i >= len(files): |
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120 return None |
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121 subset.append(files[i]) |
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122 return subset |
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123 except (ValueError, IndexError): |
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124 # Perhaps someone had chosen the same key name (e.g. "added") and |
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125 # used different syntax for the value. |
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126 return None |
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127 |
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128 def stripdesc(desc): |
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129 """strip trailing whitespace and leading and trailing empty lines""" |
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130 return '\n'.join([l.rstrip() for l in desc.splitlines()]).strip('\n') |
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131 |
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132 class appender(object): |
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133 '''the changelog index must be updated last on disk, so we use this class |
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134 to delay writes to it''' |
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135 def __init__(self, vfs, name, mode, buf): |
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136 self.data = buf |
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137 fp = vfs(name, mode) |
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138 self.fp = fp |
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139 self.offset = fp.tell() |
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140 self.size = vfs.fstat(fp).st_size |
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141 self._end = self.size |
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142 |
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143 def end(self): |
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144 return self._end |
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145 def tell(self): |
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146 return self.offset |
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147 def flush(self): |
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148 pass |
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149 |
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150 @property |
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151 def closed(self): |
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152 return self.fp.closed |
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153 |
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154 def close(self): |
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155 self.fp.close() |
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156 |
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157 def seek(self, offset, whence=0): |
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158 '''virtual file offset spans real file and data''' |
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159 if whence == 0: |
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160 self.offset = offset |
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161 elif whence == 1: |
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162 self.offset += offset |
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163 elif whence == 2: |
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164 self.offset = self.end() + offset |
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165 if self.offset < self.size: |
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166 self.fp.seek(self.offset) |
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167 |
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168 def read(self, count=-1): |
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169 '''only trick here is reads that span real file and data''' |
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170 ret = "" |
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171 if self.offset < self.size: |
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172 s = self.fp.read(count) |
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173 ret = s |
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174 self.offset += len(s) |
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175 if count > 0: |
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176 count -= len(s) |
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177 if count != 0: |
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178 doff = self.offset - self.size |
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179 self.data.insert(0, "".join(self.data)) |
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180 del self.data[1:] |
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181 s = self.data[0][doff:doff + count] |
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182 self.offset += len(s) |
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183 ret += s |
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184 return ret |
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185 |
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186 def write(self, s): |
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187 self.data.append(bytes(s)) |
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188 self.offset += len(s) |
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189 self._end += len(s) |
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190 |
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191 def __enter__(self): |
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192 self.fp.__enter__() |
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193 return self |
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194 |
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195 def __exit__(self, *args): |
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196 return self.fp.__exit__(*args) |
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197 |
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198 def _divertopener(opener, target): |
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199 """build an opener that writes in 'target.a' instead of 'target'""" |
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200 def _divert(name, mode='r', checkambig=False): |
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201 if name != target: |
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202 return opener(name, mode) |
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203 return opener(name + ".a", mode) |
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204 return _divert |
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205 |
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206 def _delayopener(opener, target, buf): |
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207 """build an opener that stores chunks in 'buf' instead of 'target'""" |
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208 def _delay(name, mode='r', checkambig=False): |
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209 if name != target: |
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210 return opener(name, mode) |
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211 return appender(opener, name, mode, buf) |
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212 return _delay |
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213 |
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214 @attr.s |
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215 class _changelogrevision(object): |
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216 # Extensions might modify _defaultextra, so let the constructor below pass |
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217 # it in |
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218 extra = attr.ib() |
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219 manifest = attr.ib(default=nullid) |
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220 user = attr.ib(default='') |
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221 date = attr.ib(default=(0, 0)) |
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222 files = attr.ib(default=attr.Factory(list)) |
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223 filesadded = attr.ib(default=None) |
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224 filesremoved = attr.ib(default=None) |
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225 p1copies = attr.ib(default=None) |
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226 p2copies = attr.ib(default=None) |
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227 description = attr.ib(default='') |
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228 |
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229 class changelogrevision(object): |
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230 """Holds results of a parsed changelog revision. |
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231 |
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232 Changelog revisions consist of multiple pieces of data, including |
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233 the manifest node, user, and date. This object exposes a view into |
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234 the parsed object. |
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235 """ |
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236 |
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237 __slots__ = ( |
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238 r'_offsets', |
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239 r'_text', |
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240 ) |
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241 |
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242 def __new__(cls, text): |
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243 if not text: |
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244 return _changelogrevision(extra=_defaultextra) |
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245 |
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246 self = super(changelogrevision, cls).__new__(cls) |
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247 # We could return here and implement the following as an __init__. |
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248 # But doing it here is equivalent and saves an extra function call. |
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249 |
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250 # format used: |
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251 # nodeid\n : manifest node in ascii |
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252 # user\n : user, no \n or \r allowed |
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253 # time tz extra\n : date (time is int or float, timezone is int) |
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254 # : extra is metadata, encoded and separated by '\0' |
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255 # : older versions ignore it |
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256 # files\n\n : files modified by the cset, no \n or \r allowed |
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257 # (.*) : comment (free text, ideally utf-8) |
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258 # |
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259 # changelog v0 doesn't use extra |
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260 |
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261 nl1 = text.index('\n') |
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262 nl2 = text.index('\n', nl1 + 1) |
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263 nl3 = text.index('\n', nl2 + 1) |
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264 |
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265 # The list of files may be empty. Which means nl3 is the first of the |
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266 # double newline that precedes the description. |
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267 if text[nl3 + 1:nl3 + 2] == '\n': |
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268 doublenl = nl3 |
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269 else: |
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270 doublenl = text.index('\n\n', nl3 + 1) |
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271 |
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272 self._offsets = (nl1, nl2, nl3, doublenl) |
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273 self._text = text |
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274 |
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275 return self |
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276 |
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277 @property |
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278 def manifest(self): |
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279 return bin(self._text[0:self._offsets[0]]) |
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280 |
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281 @property |
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282 def user(self): |
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283 off = self._offsets |
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284 return encoding.tolocal(self._text[off[0] + 1:off[1]]) |
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285 |
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286 @property |
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287 def _rawdate(self): |
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288 off = self._offsets |
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289 dateextra = self._text[off[1] + 1:off[2]] |
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290 return dateextra.split(' ', 2)[0:2] |
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291 |
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292 @property |
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293 def _rawextra(self): |
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294 off = self._offsets |
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295 dateextra = self._text[off[1] + 1:off[2]] |
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296 fields = dateextra.split(' ', 2) |
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297 if len(fields) != 3: |
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298 return None |
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299 |
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300 return fields[2] |
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301 |
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302 @property |
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303 def date(self): |
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304 raw = self._rawdate |
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305 time = float(raw[0]) |
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306 # Various tools did silly things with the timezone. |
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307 try: |
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308 timezone = int(raw[1]) |
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309 except ValueError: |
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310 timezone = 0 |
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311 |
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312 return time, timezone |
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313 |
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314 @property |
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315 def extra(self): |
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316 raw = self._rawextra |
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317 if raw is None: |
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318 return _defaultextra |
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319 |
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320 return decodeextra(raw) |
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321 |
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322 @property |
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323 def files(self): |
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324 off = self._offsets |
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325 if off[2] == off[3]: |
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326 return [] |
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327 |
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328 return self._text[off[2] + 1:off[3]].split('\n') |
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329 |
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330 @property |
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331 def filesadded(self): |
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332 rawindices = self.extra.get('filesadded') |
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333 return rawindices and decodefileindices(self.files, rawindices) |
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334 |
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335 @property |
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336 def filesremoved(self): |
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337 rawindices = self.extra.get('filesremoved') |
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|
338 return rawindices and decodefileindices(self.files, rawindices) |
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|
339 |
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|
340 @property |
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341 def p1copies(self): |
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342 rawcopies = self.extra.get('p1copies') |
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|
343 return rawcopies and decodecopies(self.files, rawcopies) |
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344 |
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|
345 @property |
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346 def p2copies(self): |
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347 rawcopies = self.extra.get('p2copies') |
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348 return rawcopies and decodecopies(self.files, rawcopies) |
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349 |
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|
350 @property |
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351 def description(self): |
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352 return encoding.tolocal(self._text[self._offsets[3] + 2:]) |
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353 |
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354 class changelog(revlog.revlog): |
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355 def __init__(self, opener, trypending=False): |
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356 """Load a changelog revlog using an opener. |
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357 |
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358 If ``trypending`` is true, we attempt to load the index from a |
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|
359 ``00changelog.i.a`` file instead of the default ``00changelog.i``. |
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360 The ``00changelog.i.a`` file contains index (and possibly inline |
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|
361 revision) data for a transaction that hasn't been finalized yet. |
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|
362 It exists in a separate file to facilitate readers (such as |
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|
363 hooks processes) accessing data before a transaction is finalized. |
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|
364 """ |
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|
365 if trypending and opener.exists('00changelog.i.a'): |
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|
366 indexfile = '00changelog.i.a' |
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|
367 else: |
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|
368 indexfile = '00changelog.i' |
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|
369 |
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|
370 datafile = '00changelog.d' |
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Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
371 revlog.revlog.__init__(self, opener, indexfile, datafile=datafile, |
34296
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revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents:
34133
diff
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|
372 checkambig=True, mmaplargeindex=True) |
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|
373 |
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|
374 if self._initempty and (self.version & 0xFFFF == revlog.REVLOGV1): |
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|
375 # changelogs don't benefit from generaldelta. |
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|
376 |
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parents:
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diff
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|
377 self.version &= ~revlog.FLAG_GENERALDELTA |
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changelog: don't use generaldelta
Sune Foldager <cryo@cyanite.org>
parents:
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diff
changeset
|
378 self._generaldelta = False |
30155
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changelog: disable delta chains
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|
379 |
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|
380 # Delta chains for changelogs tend to be very small because entries |
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|
381 # tend to be small and don't delta well with each. So disable delta |
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diff
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|
382 # chains. |
39232
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repository: remove storedeltachains from ifilestorage
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parents:
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diff
changeset
|
383 self._storedeltachains = False |
30155
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parents:
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diff
changeset
|
384 |
8644
c2ef478b2efa
changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents:
8499
diff
changeset
|
385 self._realopener = opener |
c2ef478b2efa
changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents:
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diff
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|
386 self._delayed = False |
23201
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
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parents:
23088
diff
changeset
|
387 self._delaybuf = None |
9163
f193b643d1b1
changelog: _delaycount -> _divert
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parents:
8778
diff
changeset
|
388 self._divert = False |
18231
c0c943ef4e55
clfilter: use empty frozenset intead of empty tuple
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parents:
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diff
changeset
|
389 self.filteredrevs = frozenset() |
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clfilter: introduce `filteredrevs` attribute on changelog
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parents:
17424
diff
changeset
|
390 |
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parents:
35308
diff
changeset
|
391 def tiprev(self): |
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parents:
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|
392 for i in pycompat.xrange(len(self) -1, -2, -1): |
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parents:
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diff
changeset
|
393 if i not in self.filteredrevs: |
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parents:
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diff
changeset
|
394 return i |
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parents:
35308
diff
changeset
|
395 |
17677
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diff
changeset
|
396 def tip(self): |
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changeset
|
397 """filtered version of revlog.tip""" |
35672
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parents:
35671
diff
changeset
|
398 return self.node(self.tiprev()) |
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17424
diff
changeset
|
399 |
24030
828dc8db5515
revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents:
23292
diff
changeset
|
400 def __contains__(self, rev): |
828dc8db5515
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Yuya Nishihara <yuya@tcha.org>
parents:
23292
diff
changeset
|
401 """filtered version of revlog.__contains__""" |
24662
b5cd8c2f6e65
changelog: inline revlog.__contains__ in case it is used in hot loop
Yuya Nishihara <yuya@tcha.org>
parents:
24030
diff
changeset
|
402 return (0 <= rev < len(self) |
24030
828dc8db5515
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Yuya Nishihara <yuya@tcha.org>
parents:
23292
diff
changeset
|
403 and rev not in self.filteredrevs) |
828dc8db5515
revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents:
23292
diff
changeset
|
404 |
17677
5c89e7fa5bc2
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parents:
17424
diff
changeset
|
405 def __iter__(self): |
5c89e7fa5bc2
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parents:
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diff
changeset
|
406 """filtered version of revlog.__iter__""" |
17951
6f79c32c0bdf
commit: increase perf by avoiding unnecessary filteredrevs check
Durham Goode <durham@fb.com>
parents:
17810
diff
changeset
|
407 if len(self.filteredrevs) == 0: |
6f79c32c0bdf
commit: increase perf by avoiding unnecessary filteredrevs check
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
408 return revlog.revlog.__iter__(self) |
6f79c32c0bdf
commit: increase perf by avoiding unnecessary filteredrevs check
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parents:
17810
diff
changeset
|
409 |
6f79c32c0bdf
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Durham Goode <durham@fb.com>
parents:
17810
diff
changeset
|
410 def filterediter(): |
38783
e7aa113b14f7
global: use pycompat.xrange()
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parents:
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changeset
|
411 for i in pycompat.xrange(len(self)): |
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commit: increase perf by avoiding unnecessary filteredrevs check
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|
412 if i not in self.filteredrevs: |
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Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
413 yield i |
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parents:
17810
diff
changeset
|
414 |
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diff
changeset
|
415 return filterediter() |
17677
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parents:
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diff
changeset
|
416 |
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diff
changeset
|
417 def revs(self, start=0, stop=None): |
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diff
changeset
|
418 """filtered version of revlog.revs""" |
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diff
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|
419 for i in super(changelog, self).revs(start, stop): |
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diff
changeset
|
420 if i not in self.filteredrevs: |
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diff
changeset
|
421 yield i |
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diff
changeset
|
422 |
41763
6843379bf99e
changelog: prefilter in headrevs()
Georges Racinet <georges.racinet@octobus.net>
parents:
41574
diff
changeset
|
423 def _checknofilteredinrevs(self, revs): |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
424 """raise the appropriate error if 'revs' contains a filtered revision |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
425 |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
426 This returns a version of 'revs' to be used thereafter by the caller. |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
427 In particular, if revs is an iterator, it is converted into a set. |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
428 """ |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
429 safehasattr = util.safehasattr |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
430 if safehasattr(revs, '__next__'): |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
431 # Note that inspect.isgenerator() is not true for iterators, |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
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diff
changeset
|
432 revs = set(revs) |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
433 |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
434 filteredrevs = self.filteredrevs |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
435 if safehasattr(revs, 'first'): # smartset |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
436 offenders = revs & filteredrevs |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
437 else: |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
438 offenders = filteredrevs.intersection(revs) |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
439 |
6843379bf99e
changelog: prefilter in headrevs()
Georges Racinet <georges.racinet@octobus.net>
parents:
41574
diff
changeset
|
440 for rev in offenders: |
6843379bf99e
changelog: prefilter in headrevs()
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parents:
41574
diff
changeset
|
441 raise error.FilteredIndexError(rev) |
6843379bf99e
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parents:
41574
diff
changeset
|
442 return revs |
6843379bf99e
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parents:
41574
diff
changeset
|
443 |
41275
1421d0487a61
revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents:
41202
diff
changeset
|
444 def headrevs(self, revs=None): |
1421d0487a61
revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents:
41202
diff
changeset
|
445 if revs is None and self.filteredrevs: |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
21544
diff
changeset
|
446 try: |
23088
fe5f044b753d
changelog: use headrevsfiltered
Mads Kiilerich <madski@unity3d.com>
parents:
23015
diff
changeset
|
447 return self.index.headrevsfiltered(self.filteredrevs) |
fe5f044b753d
changelog: use headrevsfiltered
Mads Kiilerich <madski@unity3d.com>
parents:
23015
diff
changeset
|
448 # AttributeError covers non-c-extension environments and |
fe5f044b753d
changelog: use headrevsfiltered
Mads Kiilerich <madski@unity3d.com>
parents:
23015
diff
changeset
|
449 # old c extensions without filter handling. |
fe5f044b753d
changelog: use headrevsfiltered
Mads Kiilerich <madski@unity3d.com>
parents:
23015
diff
changeset
|
450 except AttributeError: |
22484
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
21544
diff
changeset
|
451 return self._headrevs() |
2b5940f64750
obsolete: use C code for headrevs calculation
Durham Goode <durham@fb.com>
parents:
21544
diff
changeset
|
452 |
41763
6843379bf99e
changelog: prefilter in headrevs()
Georges Racinet <georges.racinet@octobus.net>
parents:
41574
diff
changeset
|
453 if self.filteredrevs: |
6843379bf99e
changelog: prefilter in headrevs()
Georges Racinet <georges.racinet@octobus.net>
parents:
41574
diff
changeset
|
454 revs = self._checknofilteredinrevs(revs) |
41275
1421d0487a61
revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents:
41202
diff
changeset
|
455 return super(changelog, self).headrevs(revs) |
17677
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
456 |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
457 def strip(self, *args, **kwargs): |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
458 # XXX make something better than assert |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
459 # We can't expect proper strip behavior if we are filtered. |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
460 assert not self.filteredrevs |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
461 super(changelog, self).strip(*args, **kwargs) |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
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parents:
17424
diff
changeset
|
462 |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
463 def rev(self, node): |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
464 """filtered version of revlog.rev""" |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
465 r = super(changelog, self).rev(node) |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
466 if r in self.filteredrevs: |
23015
21c44c1aed87
repoview: add a FilteredLookupError class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23014
diff
changeset
|
467 raise error.FilteredLookupError(hex(node), self.indexfile, |
21c44c1aed87
repoview: add a FilteredLookupError class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23014
diff
changeset
|
468 _('filtered node')) |
17677
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
469 return r |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
470 |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
471 def node(self, rev): |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
472 """filtered version of revlog.node""" |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
473 if rev in self.filteredrevs: |
23014
f00813325c5a
repoview: add a FilteredIndexError class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22484
diff
changeset
|
474 raise error.FilteredIndexError(rev) |
17677
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
475 return super(changelog, self).node(rev) |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
476 |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
477 def linkrev(self, rev): |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
478 """filtered version of revlog.linkrev""" |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
479 if rev in self.filteredrevs: |
23014
f00813325c5a
repoview: add a FilteredIndexError class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22484
diff
changeset
|
480 raise error.FilteredIndexError(rev) |
17677
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
481 return super(changelog, self).linkrev(rev) |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
482 |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
483 def parentrevs(self, rev): |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
484 """filtered version of revlog.parentrevs""" |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
485 if rev in self.filteredrevs: |
23014
f00813325c5a
repoview: add a FilteredIndexError class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22484
diff
changeset
|
486 raise error.FilteredIndexError(rev) |
17677
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
487 return super(changelog, self).parentrevs(rev) |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
488 |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
489 def flags(self, rev): |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
490 """filtered version of revlog.flags""" |
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
491 if rev in self.filteredrevs: |
23014
f00813325c5a
repoview: add a FilteredIndexError class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22484
diff
changeset
|
492 raise error.FilteredIndexError(rev) |
17677
5c89e7fa5bc2
clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17424
diff
changeset
|
493 return super(changelog, self).flags(rev) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
494 |
23203
3872d563e01a
changelog: handle writepending in the transaction
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23201
diff
changeset
|
495 def delayupdate(self, tr): |
4261
cd7b36b7869c
restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents:
4258
diff
changeset
|
496 "delay visibility of index updates to other readers" |
23201
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
497 |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
498 if not self._delayed: |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
499 if len(self) == 0: |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
500 self._divert = True |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
501 if self._realopener.exists(self.indexfile + '.a'): |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
502 self._realopener.unlink(self.indexfile + '.a') |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
503 self.opener = _divertopener(self._realopener, self.indexfile) |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
504 else: |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
505 self._delaybuf = [] |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
506 self.opener = _delayopener(self._realopener, self.indexfile, |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
507 self._delaybuf) |
8644
c2ef478b2efa
changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents:
8499
diff
changeset
|
508 self._delayed = True |
23203
3872d563e01a
changelog: handle writepending in the transaction
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23201
diff
changeset
|
509 tr.addpending('cl-%i' % id(self), self._writepending) |
23281
f60ed8cf4afc
transaction: pass the transaction to 'finalize' callback
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23280
diff
changeset
|
510 tr.addfinalize('cl-%i' % id(self), self._finalize) |
4261
cd7b36b7869c
restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents:
4258
diff
changeset
|
511 |
23205
2d54aa5397cd
changelog: rely on transaction for finalization
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23203
diff
changeset
|
512 def _finalize(self, tr): |
4261
cd7b36b7869c
restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents:
4258
diff
changeset
|
513 "finalize index updates" |
8644
c2ef478b2efa
changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents:
8499
diff
changeset
|
514 self._delayed = False |
9165
07f9b2f4a9aa
changelog: swap opener to switch delay modes
Matt Mackall <mpm@selenic.com>
parents:
9164
diff
changeset
|
515 self.opener = self._realopener |
4269
73c918c71300
changelog: optimize delayed updates for clone vs pull
Matt Mackall <mpm@selenic.com>
parents:
4261
diff
changeset
|
516 # move redirected index data back into place |
9164
b0d995b6b0a6
changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents:
9163
diff
changeset
|
517 if self._divert: |
23201
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
518 assert not self._delaybuf |
19898
3f92e749d381
changelog: use "vfs.rename()" instead of "util.rename()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18587
diff
changeset
|
519 tmpname = self.indexfile + ".a" |
3f92e749d381
changelog: use "vfs.rename()" instead of "util.rename()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18587
diff
changeset
|
520 nfile = self.opener.open(tmpname) |
14207
c1cca38818b9
changelog: fixes leaked file handle
Zachary Gramana <zgramana@pottsconsultinggroup.com>
parents:
14004
diff
changeset
|
521 nfile.close() |
29999
003c41edc5f5
changelog: specify checkambig=True to avoid ambiguity around truncation
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29997
diff
changeset
|
522 self.opener.rename(tmpname, self.indexfile, checkambig=True) |
4269
73c918c71300
changelog: optimize delayed updates for clone vs pull
Matt Mackall <mpm@selenic.com>
parents:
4261
diff
changeset
|
523 elif self._delaybuf: |
29999
003c41edc5f5
changelog: specify checkambig=True to avoid ambiguity around truncation
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29997
diff
changeset
|
524 fp = self.opener(self.indexfile, 'a', checkambig=True) |
4261
cd7b36b7869c
restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents:
4258
diff
changeset
|
525 fp.write("".join(self._delaybuf)) |
cd7b36b7869c
restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents:
4258
diff
changeset
|
526 fp.close() |
23201
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
527 self._delaybuf = None |
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
528 self._divert = False |
4269
73c918c71300
changelog: optimize delayed updates for clone vs pull
Matt Mackall <mpm@selenic.com>
parents:
4261
diff
changeset
|
529 # split when we're done |
35974
9ba1d0c724e2
revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents:
35963
diff
changeset
|
530 self._enforceinlinesize(tr) |
4261
cd7b36b7869c
restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents:
4258
diff
changeset
|
531 |
23280
b01c491af0cf
transaction: pass the transaction to 'pending' callback
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23205
diff
changeset
|
532 def _writepending(self, tr): |
7787
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
533 "create a file containing the unfinalized state for pretxnchangegroup" |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
534 if self._delaybuf: |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
535 # make a temporary copy of the index |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
536 fp1 = self._realopener(self.indexfile) |
23292
e44399c494ab
changelog: register changelog.i.a as a temporary file
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23281
diff
changeset
|
537 pendingfilename = self.indexfile + ".a" |
e44399c494ab
changelog: register changelog.i.a as a temporary file
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23281
diff
changeset
|
538 # register as a temp file to ensure cleanup on failure |
e44399c494ab
changelog: register changelog.i.a as a temporary file
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23281
diff
changeset
|
539 tr.registertmp(pendingfilename) |
e44399c494ab
changelog: register changelog.i.a as a temporary file
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23281
diff
changeset
|
540 # write existing data |
e44399c494ab
changelog: register changelog.i.a as a temporary file
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23281
diff
changeset
|
541 fp2 = self._realopener(pendingfilename, "w") |
7787
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
542 fp2.write(fp1.read()) |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
543 # add pending data |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
544 fp2.write("".join(self._delaybuf)) |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
545 fp2.close() |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
546 # switch modes so finalize can simply rename |
23201
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
547 self._delaybuf = None |
9164
b0d995b6b0a6
changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents:
9163
diff
changeset
|
548 self._divert = True |
23201
7e97bf6ee2d6
changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23088
diff
changeset
|
549 self.opener = _divertopener(self._realopener, self.indexfile) |
7787
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
550 |
9164
b0d995b6b0a6
changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents:
9163
diff
changeset
|
551 if self._divert: |
7787
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
552 return True |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
553 |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
554 return False |
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
555 |
35974
9ba1d0c724e2
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556 def _enforceinlinesize(self, tr, fp=None): |
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557 if not self._delayed: |
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558 revlog.revlog._enforceinlinesize(self, tr, fp) |
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559 |
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560 def read(self, node): |
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561 """Obtain data from a parsed changelog revision. |
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562 |
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563 Returns a 6-tuple of: |
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564 |
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565 - manifest node in binary |
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566 - author/user as a localstr |
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567 - date as a 2-tuple of (time, timezone) |
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568 - list of files |
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569 - commit message as a localstr |
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570 - dict of extra metadata |
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571 |
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572 Unless you need to access all fields, consider calling |
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573 ``changelogrevision`` instead, as it is faster for partial object |
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574 access. |
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575 """ |
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576 c = changelogrevision(self.revision(node)) |
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577 return ( |
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578 c.manifest, |
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579 c.user, |
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580 c.date, |
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581 c.files, |
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582 c.description, |
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583 c.extra |
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584 ) |
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585 |
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586 def changelogrevision(self, nodeorrev): |
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587 """Obtain a ``changelogrevision`` for a node or revision.""" |
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588 return changelogrevision(self.revision(nodeorrev)) |
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589 |
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590 def readfiles(self, node): |
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591 """ |
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592 short version of read that only returns the files modified by the cset |
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593 """ |
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594 text = self.revision(node) |
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595 if not text: |
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596 return [] |
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597 last = text.index("\n\n") |
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598 l = text[:last].split('\n') |
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599 return l[3:] |
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600 |
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|
601 def add(self, manifest, files, desc, transaction, p1, p2, |
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602 user, date=None, extra=None, p1copies=None, p2copies=None, |
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603 filesadded=None, filesremoved=None): |
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604 # Convert to UTF-8 encoded bytestrings as the very first |
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605 # thing: calling any method on a localstr object will turn it |
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606 # into a str object and the cached UTF-8 string is thus lost. |
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607 user, desc = encoding.fromlocal(user), encoding.fromlocal(desc) |
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608 |
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609 user = user.strip() |
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610 # An empty username or a username with a "\n" will make the |
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611 # revision text contain two "\n\n" sequences -> corrupt |
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612 # repository since read cannot unpack the revision. |
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613 if not user: |
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614 raise error.StorageError(_("empty username")) |
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615 if "\n" in user: |
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616 raise error.StorageError(_("username %r contains a newline") |
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617 % pycompat.bytestr(user)) |
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618 |
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619 desc = stripdesc(desc) |
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620 |
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621 if date: |
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622 parseddate = "%d %d" % dateutil.parsedate(date) |
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623 else: |
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624 parseddate = "%d %d" % dateutil.makedate() |
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625 if extra: |
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626 branch = extra.get("branch") |
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627 if branch in ("default", ""): |
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628 del extra["branch"] |
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|
629 elif branch in (".", "null", "tip"): |
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630 raise error.StorageError(_('the name \'%s\' is reserved') |
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631 % branch) |
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632 extrasentries = p1copies, p2copies, filesadded, filesremoved |
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633 if extra is None and any(x is not None for x in extrasentries): |
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634 extra = {} |
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|
635 sortedfiles = sorted(files) |
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636 if p1copies is not None: |
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|
637 extra['p1copies'] = encodecopies(sortedfiles, p1copies) |
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638 if p2copies is not None: |
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639 extra['p2copies'] = encodecopies(sortedfiles, p2copies) |
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640 if filesadded is not None: |
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641 extra['filesadded'] = encodefileindices(sortedfiles, filesadded) |
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642 if filesremoved is not None: |
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643 extra['filesremoved'] = encodefileindices(sortedfiles, filesremoved) |
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644 |
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645 if extra: |
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646 extra = encodeextra(extra) |
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647 parseddate = "%s %s" % (parseddate, extra) |
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648 l = [hex(manifest), user, parseddate] + sortedfiles + ["", desc] |
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649 text = "\n".join(l) |
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650 return self.addrevision(text, transaction, len(self), p1, p2) |
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|
651 |
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652 def branchinfo(self, rev): |
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653 """return the branch name and open/close state of a revision |
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|
654 |
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655 This function exists because creating a changectx object |
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|
656 just to access this is costly.""" |
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657 extra = self.read(rev)[5] |
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|
658 return encoding.tolocal(extra.get("branch")), 'close' in extra |
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659 |
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|
660 def _nodeduplicatecallback(self, transaction, node): |
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661 # keep track of revisions that got "re-added", eg: unbunde of know rev. |
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662 # |
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|
663 # We track them in a list to preserve their order from the source bundle |
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|
664 duplicates = transaction.changes.setdefault('revduplicates', []) |
a3095bc47217
changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents:
39777
diff
changeset
|
665 duplicates.append(self.rev(node)) |