author | Matt Harbison <matt_harbison@yahoo.com> |
Wed, 12 Sep 2018 23:10:59 -0400 | |
changeset 39593 | c8514f858788 |
parent 39283 | 71575a1e197e |
child 39765 | 3e801ffd7269 |
permissions | -rw-r--r-- |
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# filelog.py - file history class for mercurial |
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# |
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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from __future__ import absolute_import |
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from . import ( |
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error, |
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repository, |
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revlog, |
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) |
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from .utils import ( |
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interfaceutil, |
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) |
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@interfaceutil.implementer(repository.ifilestorage) |
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class filelog(object): |
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def __init__(self, opener, path): |
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self._revlog = revlog.revlog(opener, |
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'/'.join(('data', path + '.i')), |
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censorable=True) |
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# full name of the user visible file, relative to the repository root |
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self.filename = path |
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self.index = self._revlog.index |
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self.version = self._revlog.version |
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self._generaldelta = self._revlog._generaldelta |
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def __len__(self): |
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return len(self._revlog) |
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def __iter__(self): |
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return self._revlog.__iter__() |
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def revs(self, start=0, stop=None): |
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return self._revlog.revs(start=start, stop=stop) |
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def parents(self, node): |
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return self._revlog.parents(node) |
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def parentrevs(self, rev): |
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return self._revlog.parentrevs(rev) |
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def rev(self, node): |
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return self._revlog.rev(node) |
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def node(self, rev): |
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return self._revlog.node(rev) |
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def lookup(self, node): |
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return self._revlog.lookup(node) |
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def linkrev(self, rev): |
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return self._revlog.linkrev(rev) |
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def flags(self, rev): |
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return self._revlog.flags(rev) |
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def commonancestorsheads(self, node1, node2): |
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return self._revlog.commonancestorsheads(node1, node2) |
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def descendants(self, revs): |
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return self._revlog.descendants(revs) |
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def headrevs(self): |
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return self._revlog.headrevs() |
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def heads(self, start=None, stop=None): |
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return self._revlog.heads(start, stop) |
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def children(self, node): |
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return self._revlog.children(node) |
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def deltaparent(self, rev): |
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return self._revlog.deltaparent(rev) |
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def iscensored(self, rev): |
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return self._revlog.iscensored(rev) |
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def rawsize(self, rev): |
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return self._revlog.rawsize(rev) |
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def checkhash(self, text, node, p1=None, p2=None, rev=None): |
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return self._revlog.checkhash(text, node, p1=p1, p2=p2, rev=rev) |
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def revision(self, node, _df=None, raw=False): |
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return self._revlog.revision(node, _df=_df, raw=raw) |
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def revdiff(self, rev1, rev2): |
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return self._revlog.revdiff(rev1, rev2) |
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def emitrevisiondeltas(self, requests): |
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return self._revlog.emitrevisiondeltas(requests) |
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def addrevision(self, revisiondata, transaction, linkrev, p1, p2, |
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node=None, flags=revlog.REVIDX_DEFAULT_FLAGS, |
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cachedelta=None): |
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return self._revlog.addrevision(revisiondata, transaction, linkrev, |
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p1, p2, node=node, flags=flags, |
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cachedelta=cachedelta) |
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def addgroup(self, deltas, linkmapper, transaction, addrevisioncb=None): |
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return self._revlog.addgroup(deltas, linkmapper, transaction, |
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addrevisioncb=addrevisioncb) |
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def getstrippoint(self, minlink): |
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return self._revlog.getstrippoint(minlink) |
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110 |
|
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111 |
def strip(self, minlink, transaction): |
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112 |
return self._revlog.strip(minlink, transaction) |
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113 |
|
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114 |
def files(self): |
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return self._revlog.files() |
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116 |
|
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117 |
def checksize(self): |
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return self._revlog.checksize() |
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119 |
|
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def read(self, node): |
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t = self.revision(node) |
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if not t.startswith('\1\n'): |
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return t |
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s = t.index('\1\n', 2) |
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return t[s + 2:] |
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|
127 |
def add(self, text, meta, transaction, link, p1=None, p2=None): |
|
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if meta or text.startswith('\1\n'): |
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text = revlog.packmeta(meta, text) |
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return self.addrevision(text, transaction, link, p1, p2) |
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|
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def renamed(self, node): |
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if self.parents(node)[0] != revlog.nullid: |
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return False |
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135 |
t = self.revision(node) |
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m = revlog.parsemeta(t)[0] |
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# copy and copyrev occur in pairs. In rare cases due to bugs, |
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# one can occur without the other. |
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if m and "copy" in m and "copyrev" in m: |
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return (m["copy"], revlog.bin(m["copyrev"])) |
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return False |
142 |
||
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143 |
def size(self, rev): |
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144 |
"""return the size of a given revision""" |
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145 |
|
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146 |
# for revisions with renames, we have to go the slow way |
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147 |
node = self.node(rev) |
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148 |
if self.renamed(node): |
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149 |
return len(self.read(node)) |
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if self.iscensored(rev): |
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151 |
return 0 |
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152 |
|
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153 |
# XXX if self.read(node).startswith("\1\n"), this returns (size+4) |
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154 |
return self._revlog.size(rev) |
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155 |
|
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156 |
def cmp(self, node, text): |
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157 |
"""compare text with a given file revision |
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158 |
|
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159 |
returns True if text is different than what is stored. |
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160 |
""" |
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161 |
|
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162 |
t = text |
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163 |
if text.startswith('\1\n'): |
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164 |
t = '\1\n\1\n' + text |
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165 |
|
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166 |
samehashes = not self._revlog.cmp(node, t) |
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167 |
if samehashes: |
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|
168 |
return False |
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169 |
|
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|
170 |
# censored files compare against the empty file |
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|
171 |
if self.iscensored(self.rev(node)): |
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|
172 |
return text != '' |
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173 |
|
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174 |
# renaming a file produces a different hash, even if the data |
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175 |
# remains unchanged. Check if it's the case (slow): |
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|
176 |
if self.renamed(node): |
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|
177 |
t2 = self.read(node) |
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|
178 |
return t2 != text |
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179 |
|
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|
180 |
return True |
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181 |
|
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182 |
@property |
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|
183 |
def filename(self): |
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|
184 |
return self._revlog.filename |
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|
185 |
|
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|
186 |
@filename.setter |
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|
187 |
def filename(self, value): |
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|
188 |
self._revlog.filename = value |
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|
189 |
|
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|
190 |
# TODO these aren't part of the interface and aren't internal methods. |
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|
191 |
# Callers should be fixed to not use them. |
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|
192 |
@property |
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|
193 |
def indexfile(self): |
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|
194 |
return self._revlog.indexfile |
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|
195 |
|
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|
196 |
@indexfile.setter |
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|
197 |
def indexfile(self, value): |
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|
198 |
self._revlog.indexfile = value |
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|
199 |
|
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200 |
@property |
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|
201 |
def datafile(self): |
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|
202 |
return self._revlog.datafile |
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|
203 |
|
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204 |
@property |
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|
205 |
def opener(self): |
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|
206 |
return self._revlog.opener |
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207 |
|
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|
208 |
def clone(self, tr, destrevlog, **kwargs): |
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|
209 |
if not isinstance(destrevlog, filelog): |
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|
210 |
raise error.ProgrammingError('expected filelog to clone()') |
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211 |
|
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|
212 |
return self._revlog.clone(tr, destrevlog._revlog, **kwargs) |
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|
213 |
|
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|
214 |
def start(self, rev): |
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|
215 |
return self._revlog.start(rev) |
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|
216 |
|
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|
217 |
def end(self, rev): |
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|
218 |
return self._revlog.end(rev) |
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|
219 |
|
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|
220 |
def length(self, rev): |
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|
221 |
return self._revlog.length(rev) |
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222 |
|
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223 |
def compress(self, data): |
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filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37443
diff
changeset
|
224 |
return self._revlog.compress(data) |
1541e1a8e87d
filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37443
diff
changeset
|
225 |
|
1541e1a8e87d
filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37443
diff
changeset
|
226 |
def _addrevision(self, *args, **kwargs): |
1541e1a8e87d
filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37443
diff
changeset
|
227 |
return self._revlog._addrevision(*args, **kwargs) |