Mercurial > hg
annotate mercurial/changelog.py @ 46379:ee9002b99595
engine: add `if True` to prepare for next patch
This will help making next patch easier to read.
Differential Revision: https://phab.mercurial-scm.org/D9774
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Thu, 14 Jan 2021 16:34:58 +0530 |
parents | cad17d50736c |
children | f7b61ad3c64a |
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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 attr |
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17 |
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18 from . import ( |
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19 encoding, |
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20 error, |
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21 metadata, |
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22 pycompat, |
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23 revlog, |
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24 ) |
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25 from .utils import ( |
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26 dateutil, |
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27 stringutil, |
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28 ) |
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29 from .revlogutils import flagutil |
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30 |
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31 _defaultextra = {b'branch': b'default'} |
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32 |
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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 = ( |
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47 text.replace(b'\\', b'\\\\') |
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48 .replace(b'\n', b'\\n') |
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49 .replace(b'\r', b'\\r') |
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50 ) |
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51 return text.replace(b'\0', b'\\0') |
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52 |
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53 |
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54 def _string_unescape(text): |
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55 if b'\\0' in text: |
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56 # fix up \0 without getting into trouble with \\0 |
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57 text = text.replace(b'\\\\', b'\\\\\n') |
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58 text = text.replace(b'\\0', b'\0') |
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59 text = text.replace(b'\n', b'') |
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60 return stringutil.unescapestr(text) |
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61 |
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62 |
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63 def decodeextra(text): |
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64 """ |
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65 >>> from .pycompat import bytechr as chr |
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66 >>> sorted(decodeextra(encodeextra({b'foo': b'bar', b'baz': chr(0) + b'2'}) |
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67 ... ).items()) |
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68 [('baz', '\\x002'), ('branch', 'default'), ('foo', 'bar')] |
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69 >>> sorted(decodeextra(encodeextra({b'foo': b'bar', |
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70 ... b'baz': chr(92) + chr(0) + b'2'}) |
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71 ... ).items()) |
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72 [('baz', '\\\\\\x002'), ('branch', 'default'), ('foo', 'bar')] |
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73 """ |
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74 extra = _defaultextra.copy() |
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75 for l in text.split(b'\0'): |
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76 if l: |
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77 k, v = _string_unescape(l).split(b':', 1) |
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78 extra[k] = v |
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79 return extra |
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80 |
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81 |
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82 def encodeextra(d): |
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83 # keys must be sorted to produce a deterministic changelog entry |
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84 items = [_string_escape(b'%s:%s' % (k, d[k])) for k in sorted(d)] |
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85 return b"\0".join(items) |
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86 |
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87 |
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88 def stripdesc(desc): |
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89 """strip trailing whitespace and leading and trailing empty lines""" |
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90 return b'\n'.join([l.rstrip() for l in desc.splitlines()]).strip(b'\n') |
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91 |
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92 |
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93 class appender(object): |
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94 """the changelog index must be updated last on disk, so we use this class |
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95 to delay writes to it""" |
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96 |
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97 def __init__(self, vfs, name, mode, buf): |
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98 self.data = buf |
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99 fp = vfs(name, mode) |
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100 self.fp = fp |
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101 self.offset = fp.tell() |
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102 self.size = vfs.fstat(fp).st_size |
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103 self._end = self.size |
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104 |
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105 def end(self): |
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106 return self._end |
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107 |
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108 def tell(self): |
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109 return self.offset |
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110 |
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111 def flush(self): |
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112 pass |
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113 |
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114 @property |
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115 def closed(self): |
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116 return self.fp.closed |
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117 |
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118 def close(self): |
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119 self.fp.close() |
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120 |
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121 def seek(self, offset, whence=0): |
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122 '''virtual file offset spans real file and data''' |
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123 if whence == 0: |
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124 self.offset = offset |
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125 elif whence == 1: |
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126 self.offset += offset |
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127 elif whence == 2: |
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128 self.offset = self.end() + offset |
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129 if self.offset < self.size: |
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130 self.fp.seek(self.offset) |
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131 |
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132 def read(self, count=-1): |
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133 '''only trick here is reads that span real file and data''' |
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134 ret = b"" |
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135 if self.offset < self.size: |
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136 s = self.fp.read(count) |
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137 ret = s |
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138 self.offset += len(s) |
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139 if count > 0: |
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140 count -= len(s) |
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141 if count != 0: |
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142 doff = self.offset - self.size |
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143 self.data.insert(0, b"".join(self.data)) |
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144 del self.data[1:] |
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145 s = self.data[0][doff : doff + count] |
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146 self.offset += len(s) |
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147 ret += s |
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148 return ret |
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149 |
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150 def write(self, s): |
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151 self.data.append(bytes(s)) |
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152 self.offset += len(s) |
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153 self._end += len(s) |
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154 |
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155 def __enter__(self): |
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156 self.fp.__enter__() |
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157 return self |
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158 |
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159 def __exit__(self, *args): |
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160 return self.fp.__exit__(*args) |
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161 |
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162 |
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163 class _divertopener(object): |
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164 def __init__(self, opener, target): |
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165 self._opener = opener |
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166 self._target = target |
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167 |
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168 def __call__(self, name, mode=b'r', checkambig=False, **kwargs): |
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169 if name != self._target: |
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170 return self._opener(name, mode, **kwargs) |
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171 return self._opener(name + b".a", mode, **kwargs) |
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172 |
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173 def __getattr__(self, attr): |
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174 return getattr(self._opener, attr) |
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175 |
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176 |
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177 def _delayopener(opener, target, buf): |
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178 """build an opener that stores chunks in 'buf' instead of 'target'""" |
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179 |
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180 def _delay(name, mode=b'r', checkambig=False, **kwargs): |
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181 if name != target: |
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182 return opener(name, mode, **kwargs) |
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183 assert not kwargs |
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184 return appender(opener, name, mode, buf) |
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185 |
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186 return _delay |
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187 |
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188 |
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189 @attr.s |
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190 class _changelogrevision(object): |
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191 # Extensions might modify _defaultextra, so let the constructor below pass |
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192 # it in |
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193 extra = attr.ib() |
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194 manifest = attr.ib(default=nullid) |
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195 user = attr.ib(default=b'') |
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196 date = attr.ib(default=(0, 0)) |
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197 files = attr.ib(default=attr.Factory(list)) |
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198 filesadded = attr.ib(default=None) |
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199 filesremoved = attr.ib(default=None) |
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200 p1copies = attr.ib(default=None) |
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201 p2copies = attr.ib(default=None) |
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202 description = attr.ib(default=b'') |
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203 branchinfo = attr.ib(default=(_defaultextra[b'branch'], False)) |
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204 |
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205 |
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206 class changelogrevision(object): |
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207 """Holds results of a parsed changelog revision. |
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208 |
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209 Changelog revisions consist of multiple pieces of data, including |
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210 the manifest node, user, and date. This object exposes a view into |
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211 the parsed object. |
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212 """ |
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213 |
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214 __slots__ = ( |
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215 '_offsets', |
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216 '_text', |
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217 '_sidedata', |
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218 '_cpsd', |
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219 '_changes', |
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220 ) |
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221 |
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222 def __new__(cls, text, sidedata, cpsd): |
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223 if not text: |
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224 return _changelogrevision(extra=_defaultextra) |
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225 |
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226 self = super(changelogrevision, cls).__new__(cls) |
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227 # We could return here and implement the following as an __init__. |
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228 # But doing it here is equivalent and saves an extra function call. |
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229 |
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230 # format used: |
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231 # nodeid\n : manifest node in ascii |
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232 # user\n : user, no \n or \r allowed |
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233 # time tz extra\n : date (time is int or float, timezone is int) |
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234 # : extra is metadata, encoded and separated by '\0' |
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235 # : older versions ignore it |
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236 # files\n\n : files modified by the cset, no \n or \r allowed |
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237 # (.*) : comment (free text, ideally utf-8) |
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238 # |
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239 # changelog v0 doesn't use extra |
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240 |
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241 nl1 = text.index(b'\n') |
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242 nl2 = text.index(b'\n', nl1 + 1) |
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243 nl3 = text.index(b'\n', nl2 + 1) |
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244 |
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245 # The list of files may be empty. Which means nl3 is the first of the |
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246 # double newline that precedes the description. |
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247 if text[nl3 + 1 : nl3 + 2] == b'\n': |
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248 doublenl = nl3 |
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249 else: |
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250 doublenl = text.index(b'\n\n', nl3 + 1) |
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251 |
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252 self._offsets = (nl1, nl2, nl3, doublenl) |
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253 self._text = text |
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254 self._sidedata = sidedata |
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255 self._cpsd = cpsd |
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256 self._changes = None |
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257 |
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258 return self |
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259 |
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260 @property |
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261 def manifest(self): |
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262 return bin(self._text[0 : self._offsets[0]]) |
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263 |
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264 @property |
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265 def user(self): |
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266 off = self._offsets |
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267 return encoding.tolocal(self._text[off[0] + 1 : off[1]]) |
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268 |
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269 @property |
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270 def _rawdate(self): |
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271 off = self._offsets |
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272 dateextra = self._text[off[1] + 1 : off[2]] |
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273 return dateextra.split(b' ', 2)[0:2] |
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274 |
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275 @property |
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276 def _rawextra(self): |
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277 off = self._offsets |
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278 dateextra = self._text[off[1] + 1 : off[2]] |
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279 fields = dateextra.split(b' ', 2) |
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280 if len(fields) != 3: |
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281 return None |
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282 |
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283 return fields[2] |
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284 |
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285 @property |
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286 def date(self): |
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287 raw = self._rawdate |
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288 time = float(raw[0]) |
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289 # Various tools did silly things with the timezone. |
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290 try: |
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291 timezone = int(raw[1]) |
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292 except ValueError: |
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293 timezone = 0 |
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294 |
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295 return time, timezone |
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296 |
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297 @property |
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298 def extra(self): |
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299 raw = self._rawextra |
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300 if raw is None: |
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301 return _defaultextra |
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302 |
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303 return decodeextra(raw) |
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304 |
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305 @property |
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306 def changes(self): |
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307 if self._changes is not None: |
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308 return self._changes |
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309 if self._cpsd: |
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310 changes = metadata.decode_files_sidedata(self._sidedata) |
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311 else: |
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312 changes = metadata.ChangingFiles( |
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313 touched=self.files or (), |
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314 added=self.filesadded or (), |
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315 removed=self.filesremoved or (), |
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316 p1_copies=self.p1copies or {}, |
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317 p2_copies=self.p2copies or {}, |
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318 ) |
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319 self._changes = changes |
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320 return changes |
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321 |
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322 @property |
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323 def files(self): |
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324 if self._cpsd: |
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325 return sorted(self.changes.touched) |
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326 off = self._offsets |
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327 if off[2] == off[3]: |
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328 return [] |
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329 |
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330 return self._text[off[2] + 1 : off[3]].split(b'\n') |
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331 |
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332 @property |
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333 def filesadded(self): |
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334 if self._cpsd: |
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335 return self.changes.added |
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336 else: |
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337 rawindices = self.extra.get(b'filesadded') |
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338 if rawindices is None: |
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339 return None |
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340 return metadata.decodefileindices(self.files, rawindices) |
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341 |
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342 @property |
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343 def filesremoved(self): |
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344 if self._cpsd: |
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345 return self.changes.removed |
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346 else: |
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347 rawindices = self.extra.get(b'filesremoved') |
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348 if rawindices is None: |
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349 return None |
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350 return metadata.decodefileindices(self.files, rawindices) |
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351 |
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352 @property |
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353 def p1copies(self): |
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354 if self._cpsd: |
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355 return self.changes.copied_from_p1 |
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356 else: |
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357 rawcopies = self.extra.get(b'p1copies') |
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358 if rawcopies is None: |
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359 return None |
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360 return metadata.decodecopies(self.files, rawcopies) |
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361 |
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362 @property |
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363 def p2copies(self): |
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364 if self._cpsd: |
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365 return self.changes.copied_from_p2 |
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366 else: |
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367 rawcopies = self.extra.get(b'p2copies') |
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368 if rawcopies is None: |
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369 return None |
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370 return metadata.decodecopies(self.files, rawcopies) |
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371 |
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372 @property |
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373 def description(self): |
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374 return encoding.tolocal(self._text[self._offsets[3] + 2 :]) |
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375 |
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376 @property |
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377 def branchinfo(self): |
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378 extra = self.extra |
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379 return encoding.tolocal(extra.get(b"branch")), b'close' in extra |
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380 |
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381 |
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382 class changelog(revlog.revlog): |
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383 def __init__(self, opener, trypending=False): |
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384 """Load a changelog revlog using an opener. |
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385 |
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386 If ``trypending`` is true, we attempt to load the index from a |
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387 ``00changelog.i.a`` file instead of the default ``00changelog.i``. |
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388 The ``00changelog.i.a`` file contains index (and possibly inline |
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389 revision) data for a transaction that hasn't been finalized yet. |
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390 It exists in a separate file to facilitate readers (such as |
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391 hooks processes) accessing data before a transaction is finalized. |
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392 """ |
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393 if trypending and opener.exists(b'00changelog.i.a'): |
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394 indexfile = b'00changelog.i.a' |
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395 else: |
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396 indexfile = b'00changelog.i' |
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397 |
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398 datafile = b'00changelog.d' |
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|
399 revlog.revlog.__init__( |
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|
400 self, |
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|
401 opener, |
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|
402 indexfile, |
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|
403 datafile=datafile, |
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|
404 checkambig=True, |
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|
405 mmaplargeindex=True, |
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|
406 persistentnodemap=opener.options.get(b'persistent-nodemap', False), |
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|
407 ) |
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|
408 |
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|
409 if self._initempty and (self.version & 0xFFFF == revlog.REVLOGV1): |
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|
410 # changelogs don't benefit from generaldelta. |
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|
411 |
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|
412 self.version &= ~revlog.FLAG_GENERALDELTA |
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|
413 self._generaldelta = False |
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|
414 |
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|
415 # Delta chains for changelogs tend to be very small because entries |
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416 # tend to be small and don't delta well with each. So disable delta |
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|
417 # chains. |
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|
418 self._storedeltachains = False |
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|
419 |
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|
420 self._realopener = opener |
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|
421 self._delayed = False |
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|
422 self._delaybuf = None |
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|
423 self._divert = False |
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changeset
|
424 self._filteredrevs = frozenset() |
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|
425 self._filteredrevs_hashcache = {} |
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|
426 self._copiesstorage = opener.options.get(b'copies-storage') |
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|
427 |
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|
428 @property |
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|
429 def filteredrevs(self): |
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|
430 return self._filteredrevs |
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431 |
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|
432 @filteredrevs.setter |
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|
433 def filteredrevs(self, val): |
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|
434 # Ensure all updates go through this function |
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|
435 assert isinstance(val, frozenset) |
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|
436 self._filteredrevs = val |
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|
437 self._filteredrevs_hashcache = {} |
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|
438 |
23203
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|
439 def delayupdate(self, tr): |
43787
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cleanup: fix docstring formatting
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changeset
|
440 """delay visibility of index updates to other readers""" |
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|
441 |
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|
442 if not self._delayed: |
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|
443 if len(self) == 0: |
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|
444 self._divert = True |
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445 if self._realopener.exists(self.indexfile + b'.a'): |
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446 self._realopener.unlink(self.indexfile + b'.a') |
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|
447 self.opener = _divertopener(self._realopener, self.indexfile) |
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parents:
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|
448 else: |
7e97bf6ee2d6
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diff
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|
449 self._delaybuf = [] |
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parents:
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|
450 self.opener = _delayopener( |
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parents:
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diff
changeset
|
451 self._realopener, self.indexfile, self._delaybuf |
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parents:
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|
452 ) |
8644
c2ef478b2efa
changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
453 self._delayed = True |
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parents:
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changeset
|
454 tr.addpending(b'cl-%i' % id(self), self._writepending) |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
455 tr.addfinalize(b'cl-%i' % id(self), self._finalize) |
4261
cd7b36b7869c
restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents:
4258
diff
changeset
|
456 |
23205
2d54aa5397cd
changelog: rely on transaction for finalization
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23203
diff
changeset
|
457 def _finalize(self, tr): |
43787
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cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents:
43506
diff
changeset
|
458 """finalize index updates""" |
8644
c2ef478b2efa
changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
459 self._delayed = False |
9165
07f9b2f4a9aa
changelog: swap opener to switch delay modes
Matt Mackall <mpm@selenic.com>
parents:
9164
diff
changeset
|
460 self.opener = self._realopener |
4269
73c918c71300
changelog: optimize delayed updates for clone vs pull
Matt Mackall <mpm@selenic.com>
parents:
4261
diff
changeset
|
461 # move redirected index data back into place |
9164
b0d995b6b0a6
changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents:
9163
diff
changeset
|
462 if self._divert: |
23201
7e97bf6ee2d6
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parents:
23088
diff
changeset
|
463 assert not self._delaybuf |
43077
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
464 tmpname = self.indexfile + b".a" |
19898
3f92e749d381
changelog: use "vfs.rename()" instead of "util.rename()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18587
diff
changeset
|
465 nfile = self.opener.open(tmpname) |
14207
c1cca38818b9
changelog: fixes leaked file handle
Zachary Gramana <zgramana@pottsconsultinggroup.com>
parents:
14004
diff
changeset
|
466 nfile.close() |
29999
003c41edc5f5
changelog: specify checkambig=True to avoid ambiguity around truncation
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
29997
diff
changeset
|
467 self.opener.rename(tmpname, self.indexfile, checkambig=True) |
4269
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parents:
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diff
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|
468 elif self._delaybuf: |
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parents:
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diff
changeset
|
469 fp = self.opener(self.indexfile, b'a', checkambig=True) |
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parents:
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|
470 fp.write(b"".join(self._delaybuf)) |
4261
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parents:
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diff
changeset
|
471 fp.close() |
23201
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parents:
23088
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changeset
|
472 self._delaybuf = None |
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parents:
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changeset
|
473 self._divert = False |
4269
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parents:
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diff
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|
474 # split when we're done |
35974
9ba1d0c724e2
revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents:
35963
diff
changeset
|
475 self._enforceinlinesize(tr) |
4261
cd7b36b7869c
restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents:
4258
diff
changeset
|
476 |
23280
b01c491af0cf
transaction: pass the transaction to 'pending' callback
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23205
diff
changeset
|
477 def _writepending(self, tr): |
43787
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cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
478 """create a file containing the unfinalized state for |
be8552f25cab
cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents:
43506
diff
changeset
|
479 pretxnchangegroup""" |
7787
b8d750daadde
Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents:
7634
diff
changeset
|
480 if self._delaybuf: |
b8d750daadde
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parents:
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diff
changeset
|
481 # make a temporary copy of the index |
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parents:
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diff
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482 fp1 = self._realopener(self.indexfile) |
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parents:
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diff
changeset
|
483 pendingfilename = self.indexfile + b".a" |
23292
e44399c494ab
changelog: register changelog.i.a as a temporary file
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23281
diff
changeset
|
484 # 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
|
485 tr.registertmp(pendingfilename) |
e44399c494ab
changelog: register changelog.i.a as a temporary file
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parents:
23281
diff
changeset
|
486 # write existing data |
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parents:
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diff
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|
487 fp2 = self._realopener(pendingfilename, b"w") |
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Introduce HG_PREPEND to solve pretxn races
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parents:
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diff
changeset
|
488 fp2.write(fp1.read()) |
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diff
changeset
|
489 # add pending data |
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parents:
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diff
changeset
|
490 fp2.write(b"".join(self._delaybuf)) |
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diff
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|
491 fp2.close() |
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diff
changeset
|
492 # switch modes so finalize can simply rename |
23201
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parents:
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diff
changeset
|
493 self._delaybuf = None |
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changelog: factor out _delayname
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diff
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|
494 self._divert = True |
23201
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parents:
23088
diff
changeset
|
495 self.opener = _divertopener(self._realopener, self.indexfile) |
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parents:
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|
496 |
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497 if self._divert: |
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498 return True |
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|
499 |
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changeset
|
500 return False |
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changeset
|
501 |
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9ba1d0c724e2
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parents:
35963
diff
changeset
|
502 def _enforceinlinesize(self, tr, fp=None): |
9165
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parents:
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diff
changeset
|
503 if not self._delayed: |
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parents:
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diff
changeset
|
504 revlog.revlog._enforceinlinesize(self, tr, fp) |
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changeset
|
505 |
5744
9db7fd77417d
changelog: remove extract function
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
506 def read(self, node): |
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diff
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|
507 """Obtain data from a parsed changelog revision. |
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|
508 |
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parents:
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diff
changeset
|
509 Returns a 6-tuple of: |
3233
2f35961854fb
[extendedchangelog] add extra metadata in the changelog entry
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3232
diff
changeset
|
510 |
28487
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28315
diff
changeset
|
511 - manifest node in binary |
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diff
changeset
|
512 - author/user as a localstr |
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parents:
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diff
changeset
|
513 - date as a 2-tuple of (time, timezone) |
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parents:
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diff
changeset
|
514 - list of files |
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parents:
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diff
changeset
|
515 - commit message as a localstr |
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28315
diff
changeset
|
516 - dict of extra metadata |
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28315
diff
changeset
|
517 |
98d98a645e9d
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parents:
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diff
changeset
|
518 Unless you need to access all fields, consider calling |
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diff
changeset
|
519 ``changelogrevision`` instead, as it is faster for partial object |
98d98a645e9d
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diff
changeset
|
520 access. |
3077
ad6aecaf4eed
document changelog format
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
2859
diff
changeset
|
521 """ |
43230
e51f5d06a99c
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43147
diff
changeset
|
522 d, s = self._revisiondata(node) |
e51f5d06a99c
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43147
diff
changeset
|
523 c = changelogrevision( |
e51f5d06a99c
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43147
diff
changeset
|
524 d, s, self._copiesstorage == b'changeset-sidedata' |
e51f5d06a99c
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|
525 ) |
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changeset
|
526 return (c.manifest, c.user, c.date, c.files, c.description, c.extra) |
3233
2f35961854fb
[extendedchangelog] add extra metadata in the changelog entry
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parents:
3232
diff
changeset
|
527 |
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changeset
|
528 def changelogrevision(self, nodeorrev): |
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parents:
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changeset
|
529 """Obtain a ``changelogrevision`` for a node or revision.""" |
43143
037a8759eda1
sidedatacopies: get and store sidedata in the changelogrevision object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43142
diff
changeset
|
530 text, sidedata = self._revisiondata(nodeorrev) |
43230
e51f5d06a99c
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diff
changeset
|
531 return changelogrevision( |
e51f5d06a99c
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43147
diff
changeset
|
532 text, sidedata, self._copiesstorage == b'changeset-sidedata' |
e51f5d06a99c
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43147
diff
changeset
|
533 ) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
534 |
27439
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Laurent Charignon <lcharignon@fb.com>
parents:
26094
diff
changeset
|
535 def readfiles(self, node): |
ed003859f1d8
changelog: add a new method to get files modified by a changeset
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parents:
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diff
changeset
|
536 """ |
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parents:
26094
diff
changeset
|
537 short version of read that only returns the files modified by the cset |
ed003859f1d8
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parents:
26094
diff
changeset
|
538 """ |
ed003859f1d8
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parents:
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changeset
|
539 text = self.revision(node) |
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Laurent Charignon <lcharignon@fb.com>
parents:
26094
diff
changeset
|
540 if not text: |
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Laurent Charignon <lcharignon@fb.com>
parents:
26094
diff
changeset
|
541 return [] |
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changeset
|
542 last = text.index(b"\n\n") |
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parents:
43076
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changeset
|
543 l = text[:last].split(b'\n') |
27439
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Laurent Charignon <lcharignon@fb.com>
parents:
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diff
changeset
|
544 return l[3:] |
ed003859f1d8
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parents:
26094
diff
changeset
|
545 |
43076
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parents:
43027
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changeset
|
546 def add( |
2372284d9457
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parents:
43027
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changeset
|
547 self, |
2372284d9457
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parents:
43027
diff
changeset
|
548 manifest, |
2372284d9457
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parents:
43027
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changeset
|
549 files, |
2372284d9457
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43027
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changeset
|
550 desc, |
2372284d9457
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parents:
43027
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changeset
|
551 transaction, |
2372284d9457
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43027
diff
changeset
|
552 p1, |
2372284d9457
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43027
diff
changeset
|
553 p2, |
2372284d9457
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parents:
43027
diff
changeset
|
554 user, |
2372284d9457
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43027
diff
changeset
|
555 date=None, |
2372284d9457
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43027
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changeset
|
556 extra=None, |
2372284d9457
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parents:
43027
diff
changeset
|
557 ): |
14379
bd23d5f28bbb
changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents:
10420
diff
changeset
|
558 # Convert to UTF-8 encoded bytestrings as the very first |
bd23d5f28bbb
changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents:
10420
diff
changeset
|
559 # thing: calling any method on a localstr object will turn it |
bd23d5f28bbb
changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents:
10420
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560 # into a str object and the cached UTF-8 string is thus lost. |
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561 user, desc = encoding.fromlocal(user), encoding.fromlocal(desc) |
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562 |
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forbid username with '\n' at the changelog level
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563 user = user.strip() |
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564 # An empty username or a username with a "\n" will make the |
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565 # revision text contain two "\n\n" sequences -> corrupt |
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566 # repository since read cannot unpack the revision. |
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567 if not user: |
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568 raise error.StorageError(_(b"empty username")) |
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569 if b"\n" in user: |
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570 raise error.StorageError( |
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571 _(b"username %r contains a newline") % pycompat.bytestr(user) |
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572 ) |
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commit: move description trimming into changelog
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573 |
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574 desc = stripdesc(desc) |
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575 |
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576 if date: |
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577 parseddate = b"%d %d" % dateutil.parsedate(date) |
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578 else: |
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579 parseddate = b"%d %d" % dateutil.makedate() |
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580 if extra: |
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581 branch = extra.get(b"branch") |
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582 if branch in (b"default", b""): |
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583 del extra[b"branch"] |
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584 elif branch in (b".", b"null", b"tip"): |
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585 raise error.StorageError( |
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586 _(b'the name \'%s\' is reserved') % branch |
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587 ) |
45324
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commitctx: directly pass a ChangingFiles object to changelog.add
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588 sortedfiles = sorted(files.touched) |
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copies: add a HASCOPIESINFO flag to highlight rev with useful data
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589 flags = 0 |
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590 sidedata = None |
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591 if self._copiesstorage == b'changeset-sidedata': |
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592 if files.has_copies_info: |
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593 flags |= flagutil.REVIDX_HASCOPIESINFO |
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594 sidedata = metadata.encode_files_sidedata(files) |
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595 |
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[extendedchangelog] add extra metadata in the changelog entry
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596 if extra: |
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597 extra = encodeextra(extra) |
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598 parseddate = b"%s %s" % (parseddate, extra) |
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599 l = [hex(manifest), user, parseddate] + sortedfiles + [b"", desc] |
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600 text = b"\n".join(l) |
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601 return self.addrevision( |
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602 text, transaction, len(self), p1, p2, sidedata=sidedata, flags=flags |
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603 ) |
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604 |
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branchmap: cache open/closed branch head information
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605 def branchinfo(self, rev): |
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606 """return the branch name and open/close state of a revision |
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607 |
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608 This function exists because creating a changectx object |
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609 just to access this is costly.""" |
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610 return self.changelogrevision(rev).branchinfo |
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611 |
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612 def _nodeduplicatecallback(self, transaction, node): |
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613 # keep track of revisions that got "re-added", eg: unbunde of know rev. |
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614 # |
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615 # We track them in a list to preserve their order from the source bundle |
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616 duplicates = transaction.changes.setdefault(b'revduplicates', []) |
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617 duplicates.append(self.rev(node)) |