Mercurial > hg > mercurial-crew-with-dirclash

annotate hgext/convert/common.py @ 5436:b4ae8535f834

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
convert: add default constructor for converter_sink
author Bryan O'Sullivan <bos@serpentine.com>
date Wed, 10 Oct 2007 15:30:00 -0700
parents d0c67b52ac01
children 71e7c86adcb7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # common code for the convert extension
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2 import base64
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3 import cPickle as pickle
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4
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5 def encodeargs(args):
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6 def encodearg(s):
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7 lines = base64.encodestring(s)
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8 lines = [l.splitlines()[0] for l in lines]
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9 return ''.join(lines)
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10
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11 s = pickle.dumps(args)
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12 return encodearg(s)
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13
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14 def decodeargs(s):
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15 s = base64.decodestring(s)
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16 return pickle.loads(s)
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17
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18 class NoRepo(Exception): pass
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19
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20 SKIPREV = 'SKIP'
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21
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22 class commit(object):
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23 def __init__(self, author, date, desc, parents, branch=None, rev=None,
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24 extra={}):
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25 self.author = author
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26 self.date = date
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27 self.desc = desc
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28 self.parents = parents
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29 self.branch = branch
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30 self.rev = rev
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31 self.extra = extra
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32
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33 class converter_source(object):
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34 """Conversion source interface"""
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35
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36 def __init__(self, ui, path, rev=None):
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37 """Initialize conversion source (or raise NoRepo("message")
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38 exception if path is not a valid repository)"""
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39 self.ui = ui
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40 self.path = path
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41 self.rev = rev
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42
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43 self.encoding = 'utf-8'
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44
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45 def before(self):
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46 pass
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47
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48 def after(self):
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49 pass
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50
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51 def setrevmap(self, revmap, order):
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52 """set the map of already-converted revisions
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53
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54 order is a list with the keys from revmap in the order they
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55 appear in the revision map file."""
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56 pass
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57
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58 def getheads(self):
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59 """Return a list of this repository's heads"""
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60 raise NotImplementedError()
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61
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62 def getfile(self, name, rev):
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63 """Return file contents as a string"""
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64 raise NotImplementedError()
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65
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66 def getmode(self, name, rev):
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67 """Return file mode, eg. '', 'x', or 'l'"""
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68 raise NotImplementedError()
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69
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70 def getchanges(self, version):
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71 """Returns a tuple of (files, copies)
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72 Files is a sorted list of (filename, id) tuples for all files changed
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73 in version, where id is the source revision id of the file.
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74
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75 copies is a dictionary of dest: source
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76 """
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77 raise NotImplementedError()
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78
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79 def getcommit(self, version):
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80 """Return the commit object for version"""
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81 raise NotImplementedError()
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82
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83 def gettags(self):
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84 """Return the tags as a dictionary of name: revision"""
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85 raise NotImplementedError()
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86
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87 def recode(self, s, encoding=None):
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88 if not encoding:
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89 encoding = self.encoding or 'utf-8'
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90
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91 if isinstance(s, unicode):
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92 return s.encode("utf-8")
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93 try:
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94 return s.decode(encoding).encode("utf-8")
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95 except:
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96 try:
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97 return s.decode("latin-1").encode("utf-8")
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98 except:
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99 return s.decode(encoding, "replace").encode("utf-8")
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100
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101 def getchangedfiles(self, rev, i):
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102 """Return the files changed by rev compared to parent[i].
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103
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104 i is an index selecting one of the parents of rev. The return
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105 value should be the list of files that are different in rev and
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106 this parent.
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107
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108 If rev has no parents, i is None.
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109
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110 This function is only needed to support --filemap
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111 """
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112 raise NotImplementedError()
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113
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114 class converter_sink(object):
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115 """Conversion sink (target) interface"""
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116
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117 def __init__(self, ui, path):
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118 """Initialize conversion sink (or raise NoRepo("message")
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119 exception if path is not a valid repository)"""
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120 self.path = path
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121 self.ui = ui
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122
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123 def getheads(self):
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124 """Return a list of this repository's heads"""
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125 raise NotImplementedError()
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126
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127 def revmapfile(self):
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128 """Path to a file that will contain lines
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129 source_rev_id sink_rev_id
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130 mapping equivalent revision identifiers for each system."""
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131 raise NotImplementedError()
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132
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133 def authorfile(self):
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134 """Path to a file that will contain lines
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135 srcauthor=dstauthor
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136 mapping equivalent authors identifiers for each system."""
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137 return None
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138
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139 def putfile(self, f, e, data):
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140 """Put file for next putcommit().
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141 f: path to file
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142 e: '', 'x', or 'l' (regular file, executable, or symlink)
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143 data: file contents"""
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144 raise NotImplementedError()
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145
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146 def delfile(self, f):
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parents: 4114
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147 """Delete file for next putcommit().
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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148 f: path to file"""
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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149 raise NotImplementedError()
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
150
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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151 def putcommit(self, files, parents, commit):
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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152 """Create a revision with all changed files listed in 'files'
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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153 and having listed parents. 'commit' is a commit object containing
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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154 at a minimum the author, date, and message for this changeset.
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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155 Called after putfile() and delfile() calls. Note that the sink
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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156 repository is not told to update itself to a particular revision
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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157 (or even what that revision would be) before it receives the
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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158 file data."""
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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159 raise NotImplementedError()
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
160
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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161 def puttags(self, tags):
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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162 """Put tags into sink.
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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163 tags: {tagname: sink_rev_id, ...}"""
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
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164 raise NotImplementedError()
5100
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Patrick Mezard <pmezard@gmail.com>
parents: 5076
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165
5172
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
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166 def setbranch(self, branch, pbranch, parents):
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
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167 """Set the current branch name. Called before the first putfile
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
diff changeset
168 on the branch.
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
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169 branch: branch name for subsequent commits
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
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170 pbranch: branch name of parent commit
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
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171 parents: destination revisions of parent"""
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
diff changeset
172 pass
5378
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
173
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
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174 def setfilemapmode(self, active):
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
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175 """Tell the destination that we're using a filemap
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
176
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
177 Some converter_sources (svn in particular) can claim that a file
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
178 was changed in a revision, even if there was no change. This method
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
179 tells the destination that we're using a filemap and that it should
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
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180 filter empty revisions.
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
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181 """
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
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182 pass