Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/filelog.py @ 39259:b41d023a412a

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repository: establish API for emitting revision deltas With our revision delta and revision delta request interfaces defined, it is now time to define a method on storage interfaces for using them. So far, the only storage interface that is well-defined and used is file storage. So that is the only interface we need to add a method on. We define an ``emitrevisiondeltas()`` method that takes an iterable of ``irevisiondeltarequest``s and turns them into ``irevisiondelta`` instances. changegroup._handlerevisiondeltarequest() and the looping logic from changegroup.deltagroup() has effectively been moved to revlog.emitrevisiondeltas(). Our filelog wrapper class proxies its emitrevisiondeltas() to the internal revlog instance. The simple store test extension used to verify sanity of storage abstractions has also implemented emitrevisiondeltas() for file storage and the test harness when run with this extension doesn't seem to exhibit any regressions. Rather than create a shared type to represent revision deltas, each storage backend has its own type and the class name identifies where the revision delta was derived from. Differential Revision: https://phab.mercurial-scm.org/D4226
author Gregory Szorc <gregory.szorc@gmail.com>
date Thu, 09 Aug 2018 16:02:14 -0700
parents 93777d16a25d
children 0a5b20c107a6
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1 # filelog.py - file history 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 . import (
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11 error,
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12 repository,
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13 revlog,
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14 )
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15 from .utils import (
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16 interfaceutil,
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17 )
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18
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19 @interfaceutil.implementer(repository.ifilestorage)
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20 class filelog(object):
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21 def __init__(self, opener, path):
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22 self._revlog = revlog.revlog(opener,
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23 '/'.join(('data', path + '.i')),
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24 censorable=True)
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25 # full name of the user visible file, relative to the repository root
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26 self.filename = path
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27 self.index = self._revlog.index
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28 self.version = self._revlog.version
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29 self.storedeltachains = self._revlog.storedeltachains
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30 self._generaldelta = self._revlog._generaldelta
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31
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32 def __len__(self):
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33 return len(self._revlog)
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34
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35 def __iter__(self):
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36 return self._revlog.__iter__()
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37
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38 def revs(self, start=0, stop=None):
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39 return self._revlog.revs(start=start, stop=stop)
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40
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41 def parents(self, node):
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42 return self._revlog.parents(node)
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43
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44 def parentrevs(self, rev):
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45 return self._revlog.parentrevs(rev)
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46
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47 def rev(self, node):
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48 return self._revlog.rev(node)
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49
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50 def node(self, rev):
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51 return self._revlog.node(rev)
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52
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53 def lookup(self, node):
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54 return self._revlog.lookup(node)
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55
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56 def linkrev(self, rev):
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57 return self._revlog.linkrev(rev)
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58
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59 def flags(self, rev):
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60 return self._revlog.flags(rev)
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61
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62 def commonancestorsheads(self, node1, node2):
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63 return self._revlog.commonancestorsheads(node1, node2)
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64
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65 def descendants(self, revs):
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66 return self._revlog.descendants(revs)
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67
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68 def headrevs(self):
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69 return self._revlog.headrevs()
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70
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71 def heads(self, start=None, stop=None):
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72 return self._revlog.heads(start, stop)
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73
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74 def children(self, node):
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75 return self._revlog.children(node)
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76
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77 def deltaparent(self, rev):
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78 return self._revlog.deltaparent(rev)
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79
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80 def candelta(self, baserev, rev):
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81 return self._revlog.candelta(baserev, rev)
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82
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83 def iscensored(self, rev):
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84 return self._revlog.iscensored(rev)
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85
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86 def rawsize(self, rev):
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87 return self._revlog.rawsize(rev)
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88
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89 def checkhash(self, text, node, p1=None, p2=None, rev=None):
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90 return self._revlog.checkhash(text, node, p1=p1, p2=p2, rev=rev)
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91
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92 def revision(self, node, _df=None, raw=False):
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93 return self._revlog.revision(node, _df=_df, raw=raw)
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94
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95 def revdiff(self, rev1, rev2):
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96 return self._revlog.revdiff(rev1, rev2)
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97
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98 def emitrevisiondeltas(self, requests):
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99 return self._revlog.emitrevisiondeltas(requests)
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100
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101 def addrevision(self, revisiondata, transaction, linkrev, p1, p2,
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102 node=None, flags=revlog.REVIDX_DEFAULT_FLAGS,
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103 cachedelta=None):
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104 return self._revlog.addrevision(revisiondata, transaction, linkrev,
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105 p1, p2, node=node, flags=flags,
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106 cachedelta=cachedelta)
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107
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108 def addgroup(self, deltas, linkmapper, transaction, addrevisioncb=None):
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109 return self._revlog.addgroup(deltas, linkmapper, transaction,
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110 addrevisioncb=addrevisioncb)
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111
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112 def getstrippoint(self, minlink):
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113 return self._revlog.getstrippoint(minlink)
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114
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115 def strip(self, minlink, transaction):
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116 return self._revlog.strip(minlink, transaction)
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117
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118 def files(self):
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119 return self._revlog.files()
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120
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121 def checksize(self):
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122 return self._revlog.checksize()
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123
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124 def read(self, node):
360
10519e4cbd02 filelog: add metadata support
mpm@selenic.com
parents: 358
diff changeset
125 t = self.revision(node)
686
d7d68d27ebe5 Reapply startswith() changes that got lost with stale edit
Matt Mackall <mpm@selenic.com>
parents: 681
diff changeset
126 if not t.startswith('\1\n'):
360
10519e4cbd02 filelog: add metadata support
mpm@selenic.com
parents: 358
diff changeset
127 return t
2579
0875cda033fd use __contains__, index or split instead of str.find
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2470
diff changeset
128 s = t.index('\1\n', 2)
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10263
diff changeset
129 return t[s + 2:]
360
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mpm@selenic.com
parents: 358
diff changeset
130
10519e4cbd02 filelog: add metadata support
mpm@selenic.com
parents: 358
diff changeset
131 def add(self, text, meta, transaction, link, p1=None, p2=None):
686
d7d68d27ebe5 Reapply startswith() changes that got lost with stale edit
Matt Mackall <mpm@selenic.com>
parents: 681
diff changeset
132 if meta or text.startswith('\1\n'):
37442
0596d27457c6 revlog: move parsemeta() and packmeta() from filelog (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37441
diff changeset
133 text = revlog.packmeta(meta, text)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
134 return self.addrevision(text, transaction, link, p1, p2)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
135
1116
0cdd73b0767c Add some rename debugging support
mpm@selenic.com
parents: 1089
diff changeset
136 def renamed(self, node):
7634
14a4337a9b9b revlog: kill from-style imports
Matt Mackall <mpm@selenic.com>
parents: 7622
diff changeset
137 if self.parents(node)[0] != revlog.nullid:
1116
0cdd73b0767c Add some rename debugging support
mpm@selenic.com
parents: 1089
diff changeset
138 return False
13240
e5060aa22043 filelog: move metadata parsing to a helper function
Matt Mackall <mpm@selenic.com>
parents: 11541
diff changeset
139 t = self.revision(node)
37442
0596d27457c6 revlog: move parsemeta() and packmeta() from filelog (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37441
diff changeset
140 m = revlog.parsemeta(t)[0]
37833
6614cac550ae filelog: don't crash on invalid copy metadata (issue5748)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37810
diff changeset
141 # copy and copyrev occur in pairs. In rare cases due to bugs,
6614cac550ae filelog: don't crash on invalid copy metadata (issue5748)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37810
diff changeset
142 # one can occur without the other.
6614cac550ae filelog: don't crash on invalid copy metadata (issue5748)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37810
diff changeset
143 if m and "copy" in m and "copyrev" in m:
7634
14a4337a9b9b revlog: kill from-style imports
Matt Mackall <mpm@selenic.com>
parents: 7622
diff changeset
144 return (m["copy"], revlog.bin(m["copyrev"]))
1116
0cdd73b0767c Add some rename debugging support
mpm@selenic.com
parents: 1089
diff changeset
145 return False
0cdd73b0767c Add some rename debugging support
mpm@selenic.com
parents: 1089
diff changeset
146
2898
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Matt Mackall <mpm@selenic.com>
parents: 2895
diff changeset
147 def size(self, rev):
db397c38005d merge: use file size stored in revlog index
Matt Mackall <mpm@selenic.com>
parents: 2895
diff changeset
148 """return the size of a given revision"""
db397c38005d merge: use file size stored in revlog index
Matt Mackall <mpm@selenic.com>
parents: 2895
diff changeset
149
db397c38005d merge: use file size stored in revlog index
Matt Mackall <mpm@selenic.com>
parents: 2895
diff changeset
150 # for revisions with renames, we have to go the slow way
db397c38005d merge: use file size stored in revlog index
Matt Mackall <mpm@selenic.com>
parents: 2895
diff changeset
151 node = self.node(rev)
db397c38005d merge: use file size stored in revlog index
Matt Mackall <mpm@selenic.com>
parents: 2895
diff changeset
152 if self.renamed(node):
db397c38005d merge: use file size stored in revlog index
Matt Mackall <mpm@selenic.com>
parents: 2895
diff changeset
153 return len(self.read(node))
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24117
diff changeset
154 if self.iscensored(rev):
22597
58ec36686f0e filelog: censored files compare against empty data, have 0 size
Mike Edgar <adgar@google.com>
parents: 22596
diff changeset
155 return 0
2898
db397c38005d merge: use file size stored in revlog index
Matt Mackall <mpm@selenic.com>
parents: 2895
diff changeset
156
11540
2370e270a29a filelog: test behaviour for data starting with "\1\n"
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11539
diff changeset
157 # XXX if self.read(node).startswith("\1\n"), this returns (size+4)
37497
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
158 return self._revlog.size(rev)
2898
db397c38005d merge: use file size stored in revlog index
Matt Mackall <mpm@selenic.com>
parents: 2895
diff changeset
159
2887
05257fd28591 filelog: add hash-based comparisons
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
160 def cmp(self, node, text):
11539
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 10706
diff changeset
161 """compare text with a given file revision
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 10706
diff changeset
162
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 10706
diff changeset
163 returns True if text is different than what is stored.
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 10706
diff changeset
164 """
2887
05257fd28591 filelog: add hash-based comparisons
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
165
11541
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
166 t = text
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
167 if text.startswith('\1\n'):
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
168 t = '\1\n\1\n' + text
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
169
37497
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
170 samehashes = not self._revlog.cmp(node, t)
11541
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
171 if samehashes:
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
172 return False
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
173
22597
58ec36686f0e filelog: censored files compare against empty data, have 0 size
Mike Edgar <adgar@google.com>
parents: 22596
diff changeset
174 # censored files compare against the empty file
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24117
diff changeset
175 if self.iscensored(self.rev(node)):
22597
58ec36686f0e filelog: censored files compare against empty data, have 0 size
Mike Edgar <adgar@google.com>
parents: 22596
diff changeset
176 return text != ''
58ec36686f0e filelog: censored files compare against empty data, have 0 size
Mike Edgar <adgar@google.com>
parents: 22596
diff changeset
177
11541
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
178 # renaming a file produces a different hash, even if the data
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
179 # remains unchanged. Check if it's the case (slow):
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
180 if self.renamed(node):
2887
05257fd28591 filelog: add hash-based comparisons
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
181 t2 = self.read(node)
2895
21631c2c09a5 filelog.cmp: return 0 for equality
Matt Mackall <mpm@selenic.com>
parents: 2890
diff changeset
182 return t2 != text
2887
05257fd28591 filelog: add hash-based comparisons
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
183
11541
ab9fa7a85dd9 filelog: cmp: don't read data if hashes are identical (issue2273)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11540
diff changeset
184 return True
37497
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
185
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
186 @property
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
187 def filename(self):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
188 return self._revlog.filename
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
189
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
190 @filename.setter
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
191 def filename(self, value):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
192 self._revlog.filename = value
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
193
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
194 # TODO these aren't part of the interface and aren't internal methods.
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
195 # Callers should be fixed to not use them.
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
196 @property
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
197 def indexfile(self):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
198 return self._revlog.indexfile
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
199
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
200 @indexfile.setter
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
201 def indexfile(self, value):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
202 self._revlog.indexfile = value
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
203
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
204 @property
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
205 def datafile(self):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
206 return self._revlog.datafile
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
207
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
208 @property
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
209 def opener(self):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
210 return self._revlog.opener
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
211
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
212 @property
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
213 def _lazydeltabase(self):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
214 return self._revlog._lazydeltabase
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
215
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
216 @_lazydeltabase.setter
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
217 def _lazydeltabase(self, value):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
218 self._revlog._lazydeltabase = value
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
219
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
220 @property
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 37833
diff changeset
221 def _deltabothparents(self):
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 37833
diff changeset
222 return self._revlog._deltabothparents
37497
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
223
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 37833
diff changeset
224 @_deltabothparents.setter
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 37833
diff changeset
225 def _deltabothparents(self, value):
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 37833
diff changeset
226 self._revlog._deltabothparents = value
37497
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
227
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
228 @property
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
229 def _inline(self):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
230 return self._revlog._inline
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
231
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
232 @property
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
233 def _withsparseread(self):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
234 return getattr(self._revlog, '_withsparseread', False)
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
235
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
236 @property
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
237 def _srmingapsize(self):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
238 return self._revlog._srmingapsize
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
239
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
240 @property
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
241 def _srdensitythreshold(self):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
242 return self._revlog._srdensitythreshold
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
243
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
244 def _deltachain(self, rev, stoprev=None):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
245 return self._revlog._deltachain(rev, stoprev)
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
246
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
247 def chainbase(self, rev):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
248 return self._revlog.chainbase(rev)
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
249
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
250 def chainlen(self, rev):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
251 return self._revlog.chainlen(rev)
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
252
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
253 def clone(self, tr, destrevlog, **kwargs):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
254 if not isinstance(destrevlog, filelog):
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
255 raise error.ProgrammingError('expected filelog to clone()')
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
256
1541e1a8e87d filelog: wrap revlog instead of inheriting it (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37443
diff changeset
257 return self._revlog.clone(tr, destrevlog._revlog, **kwargs)
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258
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259 def start(self, rev):
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260 return self._revlog.start(rev)
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261
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262 def end(self, rev):
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263 return self._revlog.end(rev)
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264
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265 def length(self, rev):
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266 return self._revlog.length(rev)
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267
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268 def compress(self, data):
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269 return self._revlog.compress(data)
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270
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271 def _addrevision(self, *args, **kwargs):
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272 return self._revlog._addrevision(*args, **kwargs)