Mercurial > hg
annotate mercurial/changelog.py @ 21707:e22cfd1ae97c stable
keyword: suppress keyword expansion while 'hg histedit' for internal merge
Before this patch, 'hg histedit' may cause unexpected conflict, if 'hg
histedit'-ed changes are located near lines in which keywords are
embedded, because keywords are substituted with other strings in the
working directory.
This patch suppresses keyword expansion while 'hg histedit' for
internal merge by adding 'histedit' to 'restricted' command list like
'merge'.
Test in this patch just swaps order of revision #13 and #14: this is
enough to cause internal merge.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Thu, 05 Jun 2014 16:47:14 +0900 |
parents | 667df8f478d1 |
children | 2b5940f64750 |
rev | line source |
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1095 | 1 # changelog.py - changelog class for mercurial |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from node import bin, hex, nullid |
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9 from i18n import _ |
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10 import util, error, revlog, encoding |
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11 |
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12 _defaultextra = {'branch': 'default'} |
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13 |
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14 def _string_escape(text): |
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15 """ |
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16 >>> d = {'nl': chr(10), 'bs': chr(92), 'cr': chr(13), 'nul': chr(0)} |
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17 >>> s = "ab%(nl)scd%(bs)s%(bs)sn%(nul)sab%(cr)scd%(bs)s%(nl)s" % d |
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18 >>> s |
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19 'ab\\ncd\\\\\\\\n\\x00ab\\rcd\\\\\\n' |
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20 >>> res = _string_escape(s) |
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21 >>> s == res.decode('string_escape') |
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22 True |
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23 """ |
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24 # subset of the string_escape codec |
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25 text = text.replace('\\', '\\\\').replace('\n', '\\n').replace('\r', '\\r') |
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26 return text.replace('\0', '\\0') |
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27 |
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28 def decodeextra(text): |
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29 """ |
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30 >>> sorted(decodeextra(encodeextra({'foo': 'bar', 'baz': chr(0) + '2'}) |
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31 ... ).iteritems()) |
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32 [('baz', '\\x002'), ('branch', 'default'), ('foo', 'bar')] |
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33 >>> sorted(decodeextra(encodeextra({'foo': 'bar', |
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34 ... 'baz': chr(92) + chr(0) + '2'}) |
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35 ... ).iteritems()) |
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36 [('baz', '\\\\\\x002'), ('branch', 'default'), ('foo', 'bar')] |
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37 """ |
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38 extra = _defaultextra.copy() |
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39 for l in text.split('\0'): |
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40 if l: |
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41 if '\\0' in l: |
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42 # fix up \0 without getting into trouble with \\0 |
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43 l = l.replace('\\\\', '\\\\\n') |
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44 l = l.replace('\\0', '\0') |
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45 l = l.replace('\n', '') |
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46 k, v = l.decode('string_escape').split(':', 1) |
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47 extra[k] = v |
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48 return extra |
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49 |
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50 def encodeextra(d): |
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51 # keys must be sorted to produce a deterministic changelog entry |
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52 items = [_string_escape('%s:%s' % (k, d[k])) for k in sorted(d)] |
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53 return "\0".join(items) |
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54 |
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55 def stripdesc(desc): |
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56 """strip trailing whitespace and leading and trailing empty lines""" |
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57 return '\n'.join([l.rstrip() for l in desc.splitlines()]).strip('\n') |
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58 |
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59 class appender(object): |
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60 '''the changelog index must be updated last on disk, so we use this class |
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61 to delay writes to it''' |
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62 def __init__(self, vfs, name, mode, buf): |
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63 self.data = buf |
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64 fp = vfs(name, mode) |
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65 self.fp = fp |
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66 self.offset = fp.tell() |
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67 self.size = vfs.fstat(fp).st_size |
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68 |
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69 def end(self): |
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70 return self.size + len("".join(self.data)) |
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71 def tell(self): |
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72 return self.offset |
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73 def flush(self): |
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74 pass |
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75 def close(self): |
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76 self.fp.close() |
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77 |
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78 def seek(self, offset, whence=0): |
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79 '''virtual file offset spans real file and data''' |
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80 if whence == 0: |
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81 self.offset = offset |
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82 elif whence == 1: |
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83 self.offset += offset |
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84 elif whence == 2: |
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85 self.offset = self.end() + offset |
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86 if self.offset < self.size: |
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87 self.fp.seek(self.offset) |
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88 |
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89 def read(self, count=-1): |
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90 '''only trick here is reads that span real file and data''' |
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91 ret = "" |
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92 if self.offset < self.size: |
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93 s = self.fp.read(count) |
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94 ret = s |
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95 self.offset += len(s) |
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96 if count > 0: |
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97 count -= len(s) |
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98 if count != 0: |
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99 doff = self.offset - self.size |
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100 self.data.insert(0, "".join(self.data)) |
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101 del self.data[1:] |
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102 s = self.data[0][doff:doff + count] |
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103 self.offset += len(s) |
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104 ret += s |
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105 return ret |
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106 |
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107 def write(self, s): |
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108 self.data.append(str(s)) |
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109 self.offset += len(s) |
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110 |
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111 def delayopener(opener, target, divert, buf): |
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112 def o(name, mode='r'): |
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113 if name != target: |
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114 return opener(name, mode) |
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115 if divert: |
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116 return opener(name + ".a", mode.replace('a', 'w')) |
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117 # otherwise, divert to memory |
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118 return appender(opener, name, mode, buf) |
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119 return o |
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120 |
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121 class changelog(revlog.revlog): |
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122 def __init__(self, opener): |
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123 revlog.revlog.__init__(self, opener, "00changelog.i") |
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124 if self._initempty: |
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125 # changelogs don't benefit from generaldelta |
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126 self.version &= ~revlog.REVLOGGENERALDELTA |
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127 self._generaldelta = False |
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128 self._realopener = opener |
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129 self._delayed = False |
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130 self._delaybuf = [] |
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131 self._divert = False |
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132 self.filteredrevs = frozenset() |
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133 |
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134 def tip(self): |
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135 """filtered version of revlog.tip""" |
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136 for i in xrange(len(self) -1, -2, -1): |
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137 if i not in self.filteredrevs: |
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138 return self.node(i) |
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139 |
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140 def __iter__(self): |
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141 """filtered version of revlog.__iter__""" |
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142 if len(self.filteredrevs) == 0: |
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143 return revlog.revlog.__iter__(self) |
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144 |
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145 def filterediter(): |
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146 for i in xrange(len(self)): |
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147 if i not in self.filteredrevs: |
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148 yield i |
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149 |
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150 return filterediter() |
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151 |
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152 def revs(self, start=0, stop=None): |
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153 """filtered version of revlog.revs""" |
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154 for i in super(changelog, self).revs(start, stop): |
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155 if i not in self.filteredrevs: |
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156 yield i |
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157 |
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158 @util.propertycache |
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159 def nodemap(self): |
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160 # XXX need filtering too |
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161 self.rev(self.node(0)) |
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162 return self._nodecache |
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163 |
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164 def hasnode(self, node): |
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165 """filtered version of revlog.hasnode""" |
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166 try: |
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167 i = self.rev(node) |
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168 return i not in self.filteredrevs |
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169 except KeyError: |
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170 return False |
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171 |
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172 def headrevs(self): |
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173 if self.filteredrevs: |
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174 # XXX we should fix and use the C version |
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175 return self._headrevs() |
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176 return super(changelog, self).headrevs() |
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177 |
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178 def strip(self, *args, **kwargs): |
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179 # XXX make something better than assert |
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180 # We can't expect proper strip behavior if we are filtered. |
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181 assert not self.filteredrevs |
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182 super(changelog, self).strip(*args, **kwargs) |
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183 |
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184 def rev(self, node): |
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185 """filtered version of revlog.rev""" |
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186 r = super(changelog, self).rev(node) |
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187 if r in self.filteredrevs: |
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188 raise error.LookupError(hex(node), self.indexfile, _('no node')) |
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189 return r |
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190 |
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191 def node(self, rev): |
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192 """filtered version of revlog.node""" |
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193 if rev in self.filteredrevs: |
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194 raise IndexError(rev) |
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195 return super(changelog, self).node(rev) |
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196 |
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197 def linkrev(self, rev): |
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198 """filtered version of revlog.linkrev""" |
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199 if rev in self.filteredrevs: |
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200 raise IndexError(rev) |
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201 return super(changelog, self).linkrev(rev) |
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202 |
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203 def parentrevs(self, rev): |
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204 """filtered version of revlog.parentrevs""" |
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205 if rev in self.filteredrevs: |
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206 raise IndexError(rev) |
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207 return super(changelog, self).parentrevs(rev) |
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208 |
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209 def flags(self, rev): |
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210 """filtered version of revlog.flags""" |
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211 if rev in self.filteredrevs: |
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212 raise IndexError(rev) |
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213 return super(changelog, self).flags(rev) |
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214 |
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215 def delayupdate(self): |
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216 "delay visibility of index updates to other readers" |
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217 self._delayed = True |
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218 self._divert = (len(self) == 0) |
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219 self._delaybuf = [] |
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220 self.opener = delayopener(self._realopener, self.indexfile, |
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221 self._divert, self._delaybuf) |
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222 |
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223 def finalize(self, tr): |
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224 "finalize index updates" |
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225 self._delayed = False |
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226 self.opener = self._realopener |
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227 # move redirected index data back into place |
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228 if self._divert: |
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229 tmpname = self.indexfile + ".a" |
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230 nfile = self.opener.open(tmpname) |
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231 nfile.close() |
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232 self.opener.rename(tmpname, self.indexfile) |
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233 elif self._delaybuf: |
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234 fp = self.opener(self.indexfile, 'a') |
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235 fp.write("".join(self._delaybuf)) |
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236 fp.close() |
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237 self._delaybuf = [] |
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238 # split when we're done |
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239 self.checkinlinesize(tr) |
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240 |
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241 def readpending(self, file): |
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242 r = revlog.revlog(self.opener, file) |
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243 self.index = r.index |
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244 self.nodemap = r.nodemap |
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245 self._nodecache = r._nodecache |
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246 self._chunkcache = r._chunkcache |
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247 |
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248 def writepending(self): |
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249 "create a file containing the unfinalized state for pretxnchangegroup" |
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250 if self._delaybuf: |
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251 # make a temporary copy of the index |
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252 fp1 = self._realopener(self.indexfile) |
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253 fp2 = self._realopener(self.indexfile + ".a", "w") |
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254 fp2.write(fp1.read()) |
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255 # add pending data |
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256 fp2.write("".join(self._delaybuf)) |
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257 fp2.close() |
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258 # switch modes so finalize can simply rename |
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259 self._delaybuf = [] |
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260 self._divert = True |
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261 |
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262 if self._divert: |
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263 return True |
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264 |
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265 return False |
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266 |
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267 def checkinlinesize(self, tr, fp=None): |
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268 if not self._delayed: |
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269 revlog.revlog.checkinlinesize(self, tr, fp) |
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270 |
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271 def read(self, node): |
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272 """ |
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273 format used: |
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274 nodeid\n : manifest node in ascii |
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275 user\n : user, no \n or \r allowed |
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276 time tz extra\n : date (time is int or float, timezone is int) |
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277 : extra is metadata, encoded and separated by '\0' |
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278 : older versions ignore it |
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279 files\n\n : files modified by the cset, no \n or \r allowed |
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280 (.*) : comment (free text, ideally utf-8) |
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281 |
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282 changelog v0 doesn't use extra |
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283 """ |
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284 text = self.revision(node) |
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286 return (nullid, "", (0, 0), [], "", _defaultextra) |
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287 last = text.index("\n\n") |
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288 desc = encoding.tolocal(text[last + 2:]) |
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289 l = text[:last].split('\n') |
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290 manifest = bin(l[0]) |
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291 user = encoding.tolocal(l[1]) |
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292 |
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293 tdata = l[2].split(' ', 2) |
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294 if len(tdata) != 3: |
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295 time = float(tdata[0]) |
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296 try: |
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297 # various tools did silly things with the time zone field. |
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298 timezone = int(tdata[1]) |
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299 except ValueError: |
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300 timezone = 0 |
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301 extra = _defaultextra |
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302 else: |
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303 time, timezone = float(tdata[0]), int(tdata[1]) |
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304 extra = decodeextra(tdata[2]) |
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305 |
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306 files = l[3:] |
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307 return (manifest, user, (time, timezone), files, desc, extra) |
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308 |
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309 def add(self, manifest, files, desc, transaction, p1, p2, |
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310 user, date=None, extra=None): |
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311 # Convert to UTF-8 encoded bytestrings as the very first |
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312 # thing: calling any method on a localstr object will turn it |
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313 # into a str object and the cached UTF-8 string is thus lost. |
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314 user, desc = encoding.fromlocal(user), encoding.fromlocal(desc) |
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315 |
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316 user = user.strip() |
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317 # An empty username or a username with a "\n" will make the |
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318 # revision text contain two "\n\n" sequences -> corrupt |
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319 # repository since read cannot unpack the revision. |
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320 if not user: |
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321 raise error.RevlogError(_("empty username")) |
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322 if "\n" in user: |
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324 % repr(user)) | |
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325 |
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326 desc = stripdesc(desc) |
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327 |
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328 if date: |
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329 parseddate = "%d %d" % util.parsedate(date) |
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330 else: |
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331 parseddate = "%d %d" % util.makedate() |
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332 if extra: |
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333 branch = extra.get("branch") |
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Wagner Bruna <wbruna@softwareexpress.com.br>
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334 if branch in ("default", ""): |
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Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
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335 del extra["branch"] |
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parents:
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336 elif branch in (".", "null", "tip"): |
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parents:
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337 raise error.RevlogError(_('the name \'%s\' is reserved') |
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338 % branch) |
3233
2f35961854fb
[extendedchangelog] add extra metadata in the changelog entry
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3232
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339 if extra: |
8443
53ff4a5af284
changelog: turn {de,en}code_extra methods into functions
Martin Geisler <mg@lazybytes.net>
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340 extra = encodeextra(extra) |
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[extendedchangelog] add extra metadata in the changelog entry
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
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341 parseddate = "%s %s" % (parseddate, extra) |
8209
a1a5a57efe90
replace util.sort with sorted built-in
Matt Mackall <mpm@selenic.com>
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7948
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342 l = [hex(manifest), user, parseddate] + sorted(files) + ["", desc] |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
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343 text = "\n".join(l) |
6750
fb42030d79d6
add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
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344 return self.addrevision(text, transaction, len(self), p1, p2) |
18306
06185554e7e3
changelog: add a `branch` method, bypassing changectx
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18231
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345 |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
19899
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346 def branchinfo(self, rev): |
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branchmap: cache open/closed branch head information
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347 """return the branch name and open/close state of a revision |
18306
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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348 |
18308
4e27b06a0fd9
changelog: please check-code and remove tabs
Mads Kiilerich <mads@kiilerich.com>
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18306
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349 This function exists because creating a changectx object |
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Mads Kiilerich <mads@kiilerich.com>
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18306
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350 just to access this is costly.""" |
20185
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branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
19899
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351 extra = self.read(rev)[5] |
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Brodie Rao <brodie@sf.io>
parents:
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352 return encoding.tolocal(extra.get("branch")), 'close' in extra |