annotate mercurial/changelog.py @ 46238:9796cf108e4e

sharesafe: make warning about outdated share configurable If the source repository upgrades to use sharesafe mode, we show a warning in shares. This patch makes that warning configurable and some might not want their users see this warning. Differential Revision: https://phab.mercurial-scm.org/D9691
author Pulkit Goyal <7895pulkit@gmail.com>
date Fri, 08 Jan 2021 21:34:16 +0530
parents 2607a9346398
children cad17d50736c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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
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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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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
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204
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205 class changelogrevision(object):
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206 """Holds results of a parsed changelog revision.
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207
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208 Changelog revisions consist of multiple pieces of data, including
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209 the manifest node, user, and date. This object exposes a view into
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210 the parsed object.
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211 """
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212
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213 __slots__ = (
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214 '_offsets',
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215 '_text',
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216 '_sidedata',
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217 '_cpsd',
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218 '_changes',
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219 )
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220
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221 def __new__(cls, text, sidedata, cpsd):
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222 if not text:
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223 return _changelogrevision(extra=_defaultextra)
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224
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225 self = super(changelogrevision, cls).__new__(cls)
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226 # We could return here and implement the following as an __init__.
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227 # But doing it here is equivalent and saves an extra function call.
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228
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229 # format used:
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230 # nodeid\n : manifest node in ascii
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231 # user\n : user, no \n or \r allowed
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232 # time tz extra\n : date (time is int or float, timezone is int)
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233 # : extra is metadata, encoded and separated by '\0'
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234 # : older versions ignore it
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235 # files\n\n : files modified by the cset, no \n or \r allowed
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236 # (.*) : comment (free text, ideally utf-8)
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237 #
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238 # changelog v0 doesn't use extra
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239
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240 nl1 = text.index(b'\n')
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241 nl2 = text.index(b'\n', nl1 + 1)
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242 nl3 = text.index(b'\n', nl2 + 1)
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243
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244 # The list of files may be empty. Which means nl3 is the first of the
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245 # double newline that precedes the description.
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246 if text[nl3 + 1 : nl3 + 2] == b'\n':
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247 doublenl = nl3
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248 else:
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249 doublenl = text.index(b'\n\n', nl3 + 1)
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250
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251 self._offsets = (nl1, nl2, nl3, doublenl)
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252 self._text = text
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253 self._sidedata = sidedata
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254 self._cpsd = cpsd
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255 self._changes = None
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256
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257 return self
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258
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259 @property
28490
959eadae589a changelog: lazily parse manifest node
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28489
diff changeset
260 def manifest(self):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
261 return bin(self._text[0 : self._offsets[0]])
28490
959eadae589a changelog: lazily parse manifest node
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28489
diff changeset
262
959eadae589a changelog: lazily parse manifest node
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28489
diff changeset
263 @property
28491
f57f7500a095 changelog: lazily parse user
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28490
diff changeset
264 def user(self):
28495
70c2f8a98276 changelog: avoid slicing raw data until needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28494
diff changeset
265 off = self._offsets
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
266 return encoding.tolocal(self._text[off[0] + 1 : off[1]])
28491
f57f7500a095 changelog: lazily parse user
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28490
diff changeset
267
f57f7500a095 changelog: lazily parse user
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28490
diff changeset
268 @property
28492
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
269 def _rawdate(self):
28495
70c2f8a98276 changelog: avoid slicing raw data until needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28494
diff changeset
270 off = self._offsets
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
271 dateextra = self._text[off[1] + 1 : off[2]]
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
272 return dateextra.split(b' ', 2)[0:2]
28492
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
273
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
274 @property
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
275 def _rawextra(self):
28495
70c2f8a98276 changelog: avoid slicing raw data until needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28494
diff changeset
276 off = self._offsets
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
277 dateextra = self._text[off[1] + 1 : off[2]]
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
278 fields = dateextra.split(b' ', 2)
28492
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
279 if len(fields) != 3:
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
280 return None
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
281
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
282 return fields[2]
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
283
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
284 @property
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
285 def date(self):
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
286 raw = self._rawdate
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
287 time = float(raw[0])
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
288 # Various tools did silly things with the timezone.
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
289 try:
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
290 timezone = int(raw[1])
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
291 except ValueError:
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
292 timezone = 0
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
293
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
294 return time, timezone
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
295
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
296 @property
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
297 def extra(self):
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
298 raw = self._rawextra
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
299 if raw is None:
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
300 return _defaultextra
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
301
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
302 return decodeextra(raw)
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
303
837f1c437d58 changelog: lazily parse date/extra field
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28491
diff changeset
304 @property
45570
9a3563b46f52 changelog: add a `changes` property on `changelogrevision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45569
diff changeset
305 def changes(self):
9a3563b46f52 changelog: add a `changes` property on `changelogrevision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45569
diff changeset
306 if self._changes is not None:
9a3563b46f52 changelog: add a `changes` property on `changelogrevision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45569
diff changeset
307 return self._changes
45571
7543b5072e84 sidedata: add a `decode_files_sidedata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45570
diff changeset
308 if self._cpsd:
45635
9003e6524f78 changing-files: drop the now useless changelogrevision argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45575
diff changeset
309 changes = metadata.decode_files_sidedata(self._sidedata)
45571
7543b5072e84 sidedata: add a `decode_files_sidedata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45570
diff changeset
310 else:
7543b5072e84 sidedata: add a `decode_files_sidedata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45570
diff changeset
311 changes = metadata.ChangingFiles(
7543b5072e84 sidedata: add a `decode_files_sidedata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45570
diff changeset
312 touched=self.files or (),
7543b5072e84 sidedata: add a `decode_files_sidedata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45570
diff changeset
313 added=self.filesadded or (),
7543b5072e84 sidedata: add a `decode_files_sidedata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45570
diff changeset
314 removed=self.filesremoved or (),
7543b5072e84 sidedata: add a `decode_files_sidedata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45570
diff changeset
315 p1_copies=self.p1copies or {},
7543b5072e84 sidedata: add a `decode_files_sidedata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45570
diff changeset
316 p2_copies=self.p2copies or {},
7543b5072e84 sidedata: add a `decode_files_sidedata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45570
diff changeset
317 )
45570
9a3563b46f52 changelog: add a `changes` property on `changelogrevision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45569
diff changeset
318 self._changes = changes
9a3563b46f52 changelog: add a `changes` property on `changelogrevision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45569
diff changeset
319 return changes
9a3563b46f52 changelog: add a `changes` property on `changelogrevision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45569
diff changeset
320
9a3563b46f52 changelog: add a `changes` property on `changelogrevision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45569
diff changeset
321 @property
28493
7796473c11b3 changelog: lazily parse files
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28492
diff changeset
322 def files(self):
45636
053c9014fd39 changing-files: retrieve changelogrevision.files from the sidedata block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45635
diff changeset
323 if self._cpsd:
053c9014fd39 changing-files: retrieve changelogrevision.files from the sidedata block
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45635
diff changeset
324 return sorted(self.changes.touched)
28495
70c2f8a98276 changelog: avoid slicing raw data until needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28494
diff changeset
325 off = self._offsets
70c2f8a98276 changelog: avoid slicing raw data until needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28494
diff changeset
326 if off[2] == off[3]:
28493
7796473c11b3 changelog: lazily parse files
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28492
diff changeset
327 return []
7796473c11b3 changelog: lazily parse files
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28492
diff changeset
328
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
329 return self._text[off[2] + 1 : off[3]].split(b'\n')
28493
7796473c11b3 changelog: lazily parse files
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28492
diff changeset
330
7796473c11b3 changelog: lazily parse files
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28492
diff changeset
331 @property
42407
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 42406
diff changeset
332 def filesadded(self):
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
333 if self._cpsd:
45572
48c93a0b2acb sidedata: simply read added files from the `ChangingFiles` object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45571
diff changeset
334 return self.changes.added
43146
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
335 else:
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
336 rawindices = self.extra.get(b'filesadded')
43145
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
337 if rawindices is None:
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
338 return None
44940
4c1d39215034 metadata: move computation related to files touched in a dedicated module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44792
diff changeset
339 return metadata.decodefileindices(self.files, rawindices)
42407
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 42406
diff changeset
340
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 42406
diff changeset
341 @property
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 42406
diff changeset
342 def filesremoved(self):
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
343 if self._cpsd:
45573
f9a67afcc33b sidedata: simply read removed files from the `ChangingFiles` object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45572
diff changeset
344 return self.changes.removed
43146
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
345 else:
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
346 rawindices = self.extra.get(b'filesremoved')
43145
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
347 if rawindices is None:
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
348 return None
44940
4c1d39215034 metadata: move computation related to files touched in a dedicated module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44792
diff changeset
349 return metadata.decodefileindices(self.files, rawindices)
42407
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 42406
diff changeset
350
602469a91550 context: get filesadded() and filesremoved() from changeset if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 42406
diff changeset
351 @property
42142
5382d8f8530b changelog: parse copy metadata if available in extras
Martin von Zweigbergk <martinvonz@google.com>
parents: 42141
diff changeset
352 def p1copies(self):
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
353 if self._cpsd:
45574
4e2238ba51a4 sidedata: simply read p1copies files from the `ChangingFiles` object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45573
diff changeset
354 return self.changes.copied_from_p1
43146
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
355 else:
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
356 rawcopies = self.extra.get(b'p1copies')
43145
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
357 if rawcopies is None:
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
358 return None
44940
4c1d39215034 metadata: move computation related to files touched in a dedicated module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44792
diff changeset
359 return metadata.decodecopies(self.files, rawcopies)
42142
5382d8f8530b changelog: parse copy metadata if available in extras
Martin von Zweigbergk <martinvonz@google.com>
parents: 42141
diff changeset
360
5382d8f8530b changelog: parse copy metadata if available in extras
Martin von Zweigbergk <martinvonz@google.com>
parents: 42141
diff changeset
361 @property
5382d8f8530b changelog: parse copy metadata if available in extras
Martin von Zweigbergk <martinvonz@google.com>
parents: 42141
diff changeset
362 def p2copies(self):
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
363 if self._cpsd:
45575
147fb889278b sidedata: simply read p2copies files from the `ChangingFiles` object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45574
diff changeset
364 return self.changes.copied_from_p2
43146
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
365 else:
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43145
diff changeset
366 rawcopies = self.extra.get(b'p2copies')
43145
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
367 if rawcopies is None:
4296cc3c4ae1 changelog: make copies related function return None or a valid value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43143
diff changeset
368 return None
44940
4c1d39215034 metadata: move computation related to files touched in a dedicated module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44792
diff changeset
369 return metadata.decodecopies(self.files, rawcopies)
42142
5382d8f8530b changelog: parse copy metadata if available in extras
Martin von Zweigbergk <martinvonz@google.com>
parents: 42141
diff changeset
370
5382d8f8530b changelog: parse copy metadata if available in extras
Martin von Zweigbergk <martinvonz@google.com>
parents: 42141
diff changeset
371 @property
28489
8939a95064f1 changelog: lazily parse description
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28487
diff changeset
372 def description(self):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
373 return encoding.tolocal(self._text[self._offsets[3] + 2 :])
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
374
28489
8939a95064f1 changelog: lazily parse description
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28487
diff changeset
375
7634
14a4337a9b9b revlog: kill from-style imports
Matt Mackall <mpm@selenic.com>
parents: 7633
diff changeset
376 class changelog(revlog.revlog):
32292
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
377 def __init__(self, opener, trypending=False):
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
378 """Load a changelog revlog using an opener.
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
379
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
380 If ``trypending`` is true, we attempt to load the index from a
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
381 ``00changelog.i.a`` file instead of the default ``00changelog.i``.
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
382 The ``00changelog.i.a`` file contains index (and possibly inline
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
383 revision) data for a transaction that hasn't been finalized yet.
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
384 It exists in a separate file to facilitate readers (such as
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
385 hooks processes) accessing data before a transaction is finalized.
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
386 """
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
387 if trypending and opener.exists(b'00changelog.i.a'):
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
388 indexfile = b'00changelog.i.a'
32292
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
389 else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
390 indexfile = b'00changelog.i'
32292
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
391
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
392 datafile = b'00changelog.d'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
393 revlog.revlog.__init__(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
394 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
395 opener,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
396 indexfile,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
397 datafile=datafile,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
398 checkambig=True,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
399 mmaplargeindex=True,
44792
5e3c718692bb nodemap: drop the 'exp-' prefix for internal opener option
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44661
diff changeset
400 persistentnodemap=opener.options.get(b'persistent-nodemap', False),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
401 )
32292
0ad0d26ff703 changelog: load pending file directly
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32262
diff changeset
402
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39887
diff changeset
403 if self._initempty and (self.version & 0xFFFF == revlog.REVLOGV1):
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39887
diff changeset
404 # changelogs don't benefit from generaldelta.
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39887
diff changeset
405
32315
67026d65a4fc revlog: rename constants (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32307
diff changeset
406 self.version &= ~revlog.FLAG_GENERALDELTA
14334
85c82ebc96a3 changelog: don't use generaldelta
Sune Foldager <cryo@cyanite.org>
parents: 14207
diff changeset
407 self._generaldelta = False
30155
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
408
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
409 # Delta chains for changelogs tend to be very small because entries
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
410 # tend to be small and don't delta well with each. So disable delta
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
411 # chains.
39232
0a5b20c107a6 repository: remove storedeltachains from ifilestorage
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39201
diff changeset
412 self._storedeltachains = False
30155
b7a966ce89ed changelog: disable delta chains
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30000
diff changeset
413
8644
c2ef478b2efa changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents: 8499
diff changeset
414 self._realopener = opener
c2ef478b2efa changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents: 8499
diff changeset
415 self._delayed = False
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
416 self._delaybuf = None
9163
f193b643d1b1 changelog: _delaycount -> _divert
Matt Mackall <mpm@selenic.com>
parents: 8778
diff changeset
417 self._divert = False
45515
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
418 self._filteredrevs = frozenset()
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
419 self._filteredrevs_hashcache = {}
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
420 self._copiesstorage = opener.options.get(b'copies-storage')
17677
5c89e7fa5bc2 clfilter: introduce `filteredrevs` attribute on changelog
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17424
diff changeset
421
45515
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
422 @property
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
423 def filteredrevs(self):
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
424 return self._filteredrevs
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
425
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
426 @filteredrevs.setter
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
427 def filteredrevs(self, val):
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
428 # Ensure all updates go through this function
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
429 assert isinstance(val, frozenset)
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
430 self._filteredrevs = val
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
431 self._filteredrevs_hashcache = {}
89f0d9f87701 branchmap: add a cache validation cache, avoid expensive re-hash on every use
Kyle Lippincott <spectral@google.com>
parents: 45325
diff changeset
432
23203
3872d563e01a changelog: handle writepending in the transaction
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23201
diff changeset
433 def delayupdate(self, tr):
43787
be8552f25cab cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents: 43506
diff changeset
434 """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
435
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
436 if not self._delayed:
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
437 if len(self) == 0:
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
438 self._divert = True
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
439 if self._realopener.exists(self.indexfile + b'.a'):
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
440 self._realopener.unlink(self.indexfile + b'.a')
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
441 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
442 else:
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
443 self._delaybuf = []
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
444 self.opener = _delayopener(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
445 self._realopener, self.indexfile, self._delaybuf
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
446 )
8644
c2ef478b2efa changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents: 8499
diff changeset
447 self._delayed = True
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
448 tr.addpending(b'cl-%i' % id(self), self._writepending)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
449 tr.addfinalize(b'cl-%i' % id(self), self._finalize)
4261
cd7b36b7869c restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents: 4258
diff changeset
450
23205
2d54aa5397cd changelog: rely on transaction for finalization
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23203
diff changeset
451 def _finalize(self, tr):
43787
be8552f25cab cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents: 43506
diff changeset
452 """finalize index updates"""
8644
c2ef478b2efa changelog: make delayopener less intrusive
Matt Mackall <mpm@selenic.com>
parents: 8499
diff changeset
453 self._delayed = False
9165
07f9b2f4a9aa changelog: swap opener to switch delay modes
Matt Mackall <mpm@selenic.com>
parents: 9164
diff changeset
454 self.opener = self._realopener
4269
73c918c71300 changelog: optimize delayed updates for clone vs pull
Matt Mackall <mpm@selenic.com>
parents: 4261
diff changeset
455 # move redirected index data back into place
9164
b0d995b6b0a6 changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents: 9163
diff changeset
456 if self._divert:
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
457 assert not self._delaybuf
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
458 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
459 nfile = self.opener.open(tmpname)
14207
c1cca38818b9 changelog: fixes leaked file handle
Zachary Gramana <zgramana@pottsconsultinggroup.com>
parents: 14004
diff changeset
460 nfile.close()
29999
003c41edc5f5 changelog: specify checkambig=True to avoid ambiguity around truncation
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29997
diff changeset
461 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
462 elif self._delaybuf:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
463 fp = self.opener(self.indexfile, b'a', checkambig=True)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
464 fp.write(b"".join(self._delaybuf))
4261
cd7b36b7869c restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents: 4258
diff changeset
465 fp.close()
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
466 self._delaybuf = None
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
467 self._divert = False
4269
73c918c71300 changelog: optimize delayed updates for clone vs pull
Matt Mackall <mpm@selenic.com>
parents: 4261
diff changeset
468 # split when we're done
35974
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 35963
diff changeset
469 self._enforceinlinesize(tr)
4261
cd7b36b7869c restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents: 4258
diff changeset
470
23280
b01c491af0cf transaction: pass the transaction to 'pending' callback
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23205
diff changeset
471 def _writepending(self, tr):
43787
be8552f25cab cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents: 43506
diff changeset
472 """create a file containing the unfinalized state for
be8552f25cab cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents: 43506
diff changeset
473 pretxnchangegroup"""
7787
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
474 if self._delaybuf:
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
475 # make a temporary copy of the index
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
476 fp1 = self._realopener(self.indexfile)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
477 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
478 # 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
479 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
480 # write existing data
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
481 fp2 = self._realopener(pendingfilename, b"w")
7787
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
482 fp2.write(fp1.read())
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
483 # add pending data
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
484 fp2.write(b"".join(self._delaybuf))
7787
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
485 fp2.close()
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
486 # 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
487 self._delaybuf = None
9164
b0d995b6b0a6 changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents: 9163
diff changeset
488 self._divert = True
23201
7e97bf6ee2d6 changelog: rework the delayupdate mechanism
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23088
diff changeset
489 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
490
9164
b0d995b6b0a6 changelog: factor out _delayname
Matt Mackall <mpm@selenic.com>
parents: 9163
diff changeset
491 if self._divert:
7787
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
492 return True
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
493
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
494 return False
b8d750daadde Introduce HG_PREPEND to solve pretxn races
Matt Mackall <mpm@selenic.com>
parents: 7634
diff changeset
495
35974
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 35963
diff changeset
496 def _enforceinlinesize(self, tr, fp=None):
9165
07f9b2f4a9aa changelog: swap opener to switch delay modes
Matt Mackall <mpm@selenic.com>
parents: 9164
diff changeset
497 if not self._delayed:
35974
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 35963
diff changeset
498 revlog.revlog._enforceinlinesize(self, tr, fp)
4261
cd7b36b7869c restructure changelog file appending
Matt Mackall <mpm@selenic.com>
parents: 4258
diff changeset
499
5744
9db7fd77417d changelog: remove extract function
Matt Mackall <mpm@selenic.com>
parents: 5450
diff changeset
500 def read(self, node):
28487
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
501 """Obtain data from a parsed changelog revision.
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
502
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
503 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
504
28487
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
505 - manifest node in binary
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
506 - author/user as a localstr
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
507 - date as a 2-tuple of (time, timezone)
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
508 - list of files
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
509 - commit message as a localstr
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
510 - dict of extra metadata
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
511
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
512 Unless you need to access all fields, consider calling
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
513 ``changelogrevision`` instead, as it is faster for partial object
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
514 access.
3077
ad6aecaf4eed document changelog format
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2859
diff changeset
515 """
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
516 d, s = self._revisiondata(node)
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
517 c = changelogrevision(
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
518 d, s, self._copiesstorage == b'changeset-sidedata'
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
519 )
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
520 return (c.manifest, c.user, c.date, c.files, c.description, c.extra)
3233
2f35961854fb [extendedchangelog] add extra metadata in the changelog entry
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3232
diff changeset
521
28487
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
522 def changelogrevision(self, nodeorrev):
98d98a645e9d changelog: add class to represent parsed changelog revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 28315
diff changeset
523 """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
524 text, sidedata = self._revisiondata(nodeorrev)
43230
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
525 return changelogrevision(
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
526 text, sidedata, self._copiesstorage == b'changeset-sidedata'
e51f5d06a99c sidedatacopies: only read from copies when in this mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
527 )
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
528
27439
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
529 def readfiles(self, node):
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
530 """
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
531 short version of read that only returns the files modified by the cset
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
532 """
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
533 text = self.revision(node)
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
534 if not text:
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
535 return []
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
536 last = text.index(b"\n\n")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
537 l = text[:last].split(b'\n')
27439
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
538 return l[3:]
ed003859f1d8 changelog: add a new method to get files modified by a changeset
Laurent Charignon <lcharignon@fb.com>
parents: 26094
diff changeset
539
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
540 def add(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
541 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
542 manifest,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
543 files,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
544 desc,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
545 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
546 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
547 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
548 user,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
549 date=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
550 extra=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
551 ):
14379
bd23d5f28bbb changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents: 10420
diff changeset
552 # 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
553 # 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
diff changeset
554 # into a str object and the cached UTF-8 string is thus lost.
bd23d5f28bbb changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents: 10420
diff changeset
555 user, desc = encoding.fromlocal(user), encoding.fromlocal(desc)
bd23d5f28bbb changelog: convert user and desc from local encoding early
Martin Geisler <mg@aragost.com>
parents: 10420
diff changeset
556
7035
9d023ef7b467 forbid username with '\n' at the changelog level
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6259
diff changeset
557 user = user.strip()
8424
c5b3d3e30de7 changelog: refuse to add revisions with empty usernames
Martin Geisler <mg@lazybytes.net>
parents: 7807
diff changeset
558 # An empty username or a username with a "\n" will make the
c5b3d3e30de7 changelog: refuse to add revisions with empty usernames
Martin Geisler <mg@lazybytes.net>
parents: 7807
diff changeset
559 # revision text contain two "\n\n" sequences -> corrupt
c5b3d3e30de7 changelog: refuse to add revisions with empty usernames
Martin Geisler <mg@lazybytes.net>
parents: 7807
diff changeset
560 # repository since read cannot unpack the revision.
c5b3d3e30de7 changelog: refuse to add revisions with empty usernames
Martin Geisler <mg@lazybytes.net>
parents: 7807
diff changeset
561 if not user:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
562 raise error.StorageError(_(b"empty username"))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
563 if b"\n" in user:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
564 raise error.StorageError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
565 _(b"username %r contains a newline") % pycompat.bytestr(user)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
566 )
8499
fb9b83df45f3 commit: move description trimming into changelog
Matt Mackall <mpm@selenic.com>
parents: 8443
diff changeset
567
17810
2894d180afa1 changelog: extract description cleaning logic in a dedicated function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17677
diff changeset
568 desc = stripdesc(desc)
8499
fb9b83df45f3 commit: move description trimming into changelog
Matt Mackall <mpm@selenic.com>
parents: 8443
diff changeset
569
1195
f92af8d53330 Validate user input of dates when adding a changelog entry.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1095
diff changeset
570 if date:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
571 parseddate = b"%d %d" % dateutil.parsedate(date)
1195
f92af8d53330 Validate user input of dates when adding a changelog entry.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1095
diff changeset
572 else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
573 parseddate = b"%d %d" % dateutil.makedate()
10417
58e040c51231 branch: avoid using reserved tag names
Wagner Bruna <wbruna@softwareexpress.com.br>
parents: 10263
diff changeset
574 if extra:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
575 branch = extra.get(b"branch")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
576 if branch in (b"default", b""):
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
577 del extra[b"branch"]
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
578 elif branch in (b".", b"null", b"tip"):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
579 raise error.StorageError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
580 _(b'the name \'%s\' is reserved') % branch
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43027
diff changeset
581 )
45324
6c56277317c2 commitctx: directly pass a ChangingFiles object to changelog.add
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45249
diff changeset
582 sortedfiles = sorted(files.touched)
45671
2d6aea053153 copies: add a HASCOPIESINFO flag to highlight rev with useful data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45636
diff changeset
583 flags = 0
43142
beed7ce61681 sidedatacopies: write copies information in sidedata when applicable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43077
diff changeset
584 sidedata = None
45249
b3040b6739ce commitctx: extract copy information encoding into extra into commit.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44940
diff changeset
585 if self._copiesstorage == b'changeset-sidedata':
45728
232c88dd89e3 changing-files: add a shorthand property to check for copy relevant info
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45672
diff changeset
586 if files.has_copies_info:
45671
2d6aea053153 copies: add a HASCOPIESINFO flag to highlight rev with useful data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45636
diff changeset
587 flags |= flagutil.REVIDX_HASCOPIESINFO
45569
64d18e9e8508 sidedata: rename `encode_copies_sidedata` to `encode_files_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45515
diff changeset
588 sidedata = metadata.encode_files_sidedata(files)
42141
0e41f40b01cc copies: add config option for writing copy metadata to file and/or changset
Martin von Zweigbergk <martinvonz@google.com>
parents: 42116
diff changeset
589
3233
2f35961854fb [extendedchangelog] add extra metadata in the changelog entry
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3232
diff changeset
590 if extra:
8443
53ff4a5af284 changelog: turn {de,en}code_extra methods into functions
Martin Geisler <mg@lazybytes.net>
parents: 8442
diff changeset
591 extra = encodeextra(extra)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
592 parseddate = b"%s %s" % (parseddate, extra)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
593 l = [hex(manifest), user, parseddate] + sortedfiles + [b"", desc]
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
594 text = b"\n".join(l)
43142
beed7ce61681 sidedatacopies: write copies information in sidedata when applicable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43077
diff changeset
595 return self.addrevision(
45672
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
596 text, transaction, len(self), p1, p2, sidedata=sidedata, flags=flags
43142
beed7ce61681 sidedatacopies: write copies information in sidedata when applicable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43077
diff changeset
597 )
18306
06185554e7e3 changelog: add a `branch` method, bypassing changectx
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18231
diff changeset
598
20185
7d4219512823 branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents: 19899
diff changeset
599 def branchinfo(self, rev):
7d4219512823 branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents: 19899
diff changeset
600 """return the branch name and open/close state of a revision
18306
06185554e7e3 changelog: add a `branch` method, bypassing changectx
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18231
diff changeset
601
18308
4e27b06a0fd9 changelog: please check-code and remove tabs
Mads Kiilerich <mads@kiilerich.com>
parents: 18306
diff changeset
602 This function exists because creating a changectx object
4e27b06a0fd9 changelog: please check-code and remove tabs
Mads Kiilerich <mads@kiilerich.com>
parents: 18306
diff changeset
603 just to access this is costly."""
46197
2607a9346398 branchmap: micro-optimize branchinfo
Joerg Sonnenberger <joerg@bec.de>
parents: 45942
diff changeset
604 extra = self.changelogrevision(rev).extra
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
605 return encoding.tolocal(extra.get(b"branch")), b'close' in extra
39887
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
606
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
607 def _nodeduplicatecallback(self, transaction, node):
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
608 # keep track of revisions that got "re-added", eg: unbunde of know rev.
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
609 #
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
610 # We track them in a list to preserve their order from the source bundle
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
611 duplicates = transaction.changes.setdefault(b'revduplicates', [])
39887
a3095bc47217 changelog: keep track of duplicated node in the transaction adding them
Boris Feld <boris.feld@octobus.net>
parents: 39777
diff changeset
612 duplicates.append(self.rev(node))