Mercurial > hg
annotate hgext/convert/common.py @ 7774:3b8f2750efcf
Handle when the slicemap option is an empty string
In the cmdtable for the convert extension, the default value for splicefile is
empty string, while mapfile (the class that reads splicemaps) expects either a
real path or None. This patch changes mapfile to expect a real path or logical
false (False, None, empty string, etc.)
author | Stefan Rusek <stefan@rusek.org> |
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date | Wed, 11 Feb 2009 21:47:57 +0100 |
parents | dafcc96c1285 |
children | 04c62275cbc7 |
rev | line source |
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1 # common code for the convert extension |
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2 import base64, errno |
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3 import os |
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4 import cPickle as pickle |
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5 from mercurial import util, strutil |
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6 from mercurial.i18n import _ |
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7 |
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8 def encodeargs(args): |
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9 def encodearg(s): |
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10 lines = base64.encodestring(s) |
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11 lines = [l.splitlines()[0] for l in lines] |
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12 return ''.join(lines) |
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13 |
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14 s = pickle.dumps(args) |
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15 return encodearg(s) |
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16 |
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17 def decodeargs(s): |
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18 s = base64.decodestring(s) |
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19 return pickle.loads(s) |
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20 |
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21 class MissingTool(Exception): pass |
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22 |
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23 def checktool(exe, name=None, abort=True): |
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24 name = name or exe |
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25 if not util.find_exe(exe): |
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26 exc = abort and util.Abort or MissingTool |
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27 raise exc(_('cannot find required "%s" tool') % name) |
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28 |
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29 class NoRepo(Exception): pass |
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30 |
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31 SKIPREV = 'SKIP' |
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32 |
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33 class commit(object): |
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34 def __init__(self, author, date, desc, parents, branch=None, rev=None, |
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35 extra={}): |
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36 self.author = author or 'unknown' |
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37 self.date = date or '0 0' |
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38 self.desc = desc |
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39 self.parents = parents |
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40 self.branch = branch |
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41 self.rev = rev |
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42 self.extra = extra |
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43 |
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44 class converter_source(object): |
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45 """Conversion source interface""" |
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46 |
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47 def __init__(self, ui, path=None, rev=None): |
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48 """Initialize conversion source (or raise NoRepo("message") |
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49 exception if path is not a valid repository)""" |
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50 self.ui = ui |
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51 self.path = path |
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52 self.rev = rev |
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53 |
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54 self.encoding = 'utf-8' |
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55 |
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56 def before(self): |
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57 pass |
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58 |
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59 def after(self): |
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60 pass |
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61 |
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62 def setrevmap(self, revmap): |
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63 """set the map of already-converted revisions""" |
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64 pass |
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65 |
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66 def getheads(self): |
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67 """Return a list of this repository's heads""" |
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68 raise NotImplementedError() |
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69 |
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70 def getfile(self, name, rev): |
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71 """Return file contents as a string. rev is the identifier returned |
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72 by a previous call to getchanges(). |
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73 """ |
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74 raise NotImplementedError() |
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75 |
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76 def getmode(self, name, rev): |
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77 """Return file mode, eg. '', 'x', or 'l'. rev is the identifier |
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78 returned by a previous call to getchanges(). |
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79 """ |
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80 raise NotImplementedError() |
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81 |
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82 def getchanges(self, version): |
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83 """Returns a tuple of (files, copies). |
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84 |
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85 files is a sorted list of (filename, id) tuples for all files |
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86 changed between version and it's first parent returned by |
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87 getcommit(). id is the source revision id of the file. |
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88 |
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89 copies is a dictionary of dest: source |
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90 """ |
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91 raise NotImplementedError() |
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92 |
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93 def getcommit(self, version): |
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94 """Return the commit object for version""" |
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95 raise NotImplementedError() |
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96 |
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97 def gettags(self): |
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98 """Return the tags as a dictionary of name: revision""" |
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99 raise NotImplementedError() |
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100 |
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101 def recode(self, s, encoding=None): |
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102 if not encoding: |
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103 encoding = self.encoding or 'utf-8' |
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104 |
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105 if isinstance(s, unicode): |
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106 return s.encode("utf-8") |
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107 try: |
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108 return s.decode(encoding).encode("utf-8") |
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109 except: |
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110 try: |
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111 return s.decode("latin-1").encode("utf-8") |
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112 except: |
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113 return s.decode(encoding, "replace").encode("utf-8") |
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114 |
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115 def getchangedfiles(self, rev, i): |
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116 """Return the files changed by rev compared to parent[i]. |
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117 |
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118 i is an index selecting one of the parents of rev. The return |
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119 value should be the list of files that are different in rev and |
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120 this parent. |
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diff
changeset
|
121 |
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changeset
|
122 If rev has no parents, i is None. |
5760
0145f9afb0e7
Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
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5556
diff
changeset
|
123 |
5377
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convert: readd --filemap
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diff
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|
124 This function is only needed to support --filemap |
756a43a30e34
convert: readd --filemap
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|
125 """ |
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diff
changeset
|
126 raise NotImplementedError() |
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convert: readd --filemap
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diff
changeset
|
127 |
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|
128 def converted(self, rev, sinkrev): |
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convert: tell the source repository when a rev has been converted
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|
129 '''Notify the source that a revision has been converted.''' |
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diff
changeset
|
130 pass |
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convert: tell the source repository when a rev has been converted
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diff
changeset
|
131 |
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|
132 |
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use documented convert-repo interface
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|
133 class converter_sink(object): |
4447
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document conversion interface
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134 """Conversion sink (target) interface""" |
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|
135 |
4513
ac2fe196ac9b
Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
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4512
diff
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|
136 def __init__(self, ui, path): |
4447
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document conversion interface
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137 """Initialize conversion sink (or raise NoRepo("message") |
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convert: refactor sink initialisation, to remove hardcoding of hg
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diff
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|
138 exception if path is not a valid repository) |
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139 |
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140 created is a list of paths to remove if a fatal error occurs |
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diff
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|
141 later""" |
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diff
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|
142 self.ui = ui |
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convert: add default constructor for converter_sink
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diff
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|
143 self.path = path |
5441
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convert: refactor sink initialisation, to remove hardcoding of hg
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|
144 self.created = [] |
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|
145 |
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diff
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|
146 def getheads(self): |
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document conversion interface
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|
147 """Return a list of this repository's heads""" |
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|
148 raise NotImplementedError() |
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|
149 |
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convert: rename mapfile to revmapfile, so we can map more than just revs
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150 def revmapfile(self): |
4447
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document conversion interface
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|
151 """Path to a file that will contain lines |
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|
152 source_rev_id sink_rev_id |
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|
153 mapping equivalent revision identifiers for each system.""" |
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|
154 raise NotImplementedError() |
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diff
changeset
|
155 |
4589
451e91ed535e
convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
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diff
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|
156 def authorfile(self): |
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|
157 """Path to a file that will contain lines |
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diff
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|
158 srcauthor=dstauthor |
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Edouard Gomez <ed.gomez@free.fr>
parents:
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diff
changeset
|
159 mapping equivalent authors identifiers for each system.""" |
4590
80fb4ec512b5
convert: fix various authormap handling bugs
Brendan Cully <brendan@kublai.com>
parents:
4589
diff
changeset
|
160 return None |
4589
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convert extension: Add support for username mapping
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diff
changeset
|
161 |
6716
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
Patrick Mezard <pmezard@gmail.com>
parents:
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diff
changeset
|
162 def putcommit(self, files, copies, parents, commit, source): |
4447
1b75e0eff532
document conversion interface
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diff
changeset
|
163 """Create a revision with all changed files listed in 'files' |
1b75e0eff532
document conversion interface
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parents:
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diff
changeset
|
164 and having listed parents. 'commit' is a commit object containing |
1b75e0eff532
document conversion interface
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4114
diff
changeset
|
165 at a minimum the author, date, and message for this changeset. |
6716
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
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parents:
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diff
changeset
|
166 'files' is a list of (path, version) tuples, 'copies'is a dictionary |
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
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parents:
6332
diff
changeset
|
167 mapping destinations to sources, and 'source' is the source repository. |
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
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6332
diff
changeset
|
168 Only getfile() and getmode() should be called on 'source'. |
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
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diff
changeset
|
169 |
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
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parents:
6332
diff
changeset
|
170 Note that the sink repository is not told to update itself to |
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
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parents:
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diff
changeset
|
171 a particular revision (or even what that revision would be) |
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
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6332
diff
changeset
|
172 before it receives the file data. |
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
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parents:
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diff
changeset
|
173 """ |
4447
1b75e0eff532
document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents:
4114
diff
changeset
|
174 raise NotImplementedError() |
1b75e0eff532
document conversion interface
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parents:
4114
diff
changeset
|
175 |
1b75e0eff532
document conversion interface
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parents:
4114
diff
changeset
|
176 def puttags(self, tags): |
1b75e0eff532
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parents:
4114
diff
changeset
|
177 """Put tags into sink. |
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4114
diff
changeset
|
178 tags: {tagname: sink_rev_id, ...}""" |
1b75e0eff532
document conversion interface
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parents:
4114
diff
changeset
|
179 raise NotImplementedError() |
5127
39b6eaee6fd7
convert: replace fork with subprocess call.
Patrick Mezard <pmezard@gmail.com>
parents:
5121
diff
changeset
|
180 |
5934
e495f3f35b2d
convert: hg.clonebranches must pull missing parents (issue941)
Patrick Mezard <pmezard@gmail.com>
parents:
5441
diff
changeset
|
181 def setbranch(self, branch, pbranches): |
6716
c9b8d2565b92
convert: reintegrate file retrieval code in sinks
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parents:
6332
diff
changeset
|
182 """Set the current branch name. Called before the first putcommit |
5173
6b4c332f241b
convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents:
5143
diff
changeset
|
183 on the branch. |
6b4c332f241b
convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents:
5143
diff
changeset
|
184 branch: branch name for subsequent commits |
5934
e495f3f35b2d
convert: hg.clonebranches must pull missing parents (issue941)
Patrick Mezard <pmezard@gmail.com>
parents:
5441
diff
changeset
|
185 pbranches: (converted parent revision, parent branch) tuples""" |
5173
6b4c332f241b
convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents:
5143
diff
changeset
|
186 pass |
5378
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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parents:
5377
diff
changeset
|
187 |
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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parents:
5377
diff
changeset
|
188 def setfilemapmode(self, active): |
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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parents:
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diff
changeset
|
189 """Tell the destination that we're using a filemap |
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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parents:
5377
diff
changeset
|
190 |
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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parents:
5377
diff
changeset
|
191 Some converter_sources (svn in particular) can claim that a file |
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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parents:
5377
diff
changeset
|
192 was changed in a revision, even if there was no change. This method |
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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parents:
5377
diff
changeset
|
193 tells the destination that we're using a filemap and that it should |
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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parents:
5377
diff
changeset
|
194 filter empty revisions. |
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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5377
diff
changeset
|
195 """ |
8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
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parents:
5377
diff
changeset
|
196 pass |
5510
11d7908a3ea8
convert: abstract map files into a class
Bryan O'Sullivan <bos@serpentine.com>
parents:
5497
diff
changeset
|
197 |
5512
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
198 def before(self): |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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diff
changeset
|
199 pass |
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
200 |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
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diff
changeset
|
201 def after(self): |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
202 pass |
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
203 |
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
204 |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
205 class commandline(object): |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
206 def __init__(self, ui, command): |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
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diff
changeset
|
207 self.ui = ui |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
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diff
changeset
|
208 self.command = command |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
209 |
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
210 def prerun(self): |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
211 pass |
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
212 |
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
213 def postrun(self): |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
214 pass |
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
215 |
5832
2192ed187319
convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents:
5760
diff
changeset
|
216 def _cmdline(self, cmd, *args, **kwargs): |
5512
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
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diff
changeset
|
217 cmdline = [self.command, cmd] + list(args) |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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diff
changeset
|
218 for k, v in kwargs.iteritems(): |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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5510
diff
changeset
|
219 if len(k) == 1: |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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5510
diff
changeset
|
220 cmdline.append('-' + k) |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
221 else: |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
222 cmdline.append('--' + k.replace('_', '-')) |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
223 try: |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
224 if len(k) == 1: |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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diff
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|
225 cmdline.append('' + v) |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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diff
changeset
|
226 else: |
8cd26ccc68f8
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diff
changeset
|
227 cmdline[-1] += '=' + v |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
228 except TypeError: |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
5510
diff
changeset
|
229 pass |
8cd26ccc68f8
convert: abstract darcs's commandline handling
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parents:
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diff
changeset
|
230 cmdline = [util.shellquote(arg) for arg in cmdline] |
7611
dafcc96c1285
convert: display child command output if --debug (fix 878466138b57)
Patrick Mezard <pmezard@gmail.com>
parents:
7610
diff
changeset
|
231 if not self.ui.debugflag: |
7610
878466138b57
convert: print darcs error messages iff --debug
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parents:
7186
diff
changeset
|
232 cmdline += ['2>', util.nulldev] |
878466138b57
convert: print darcs error messages iff --debug
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7186
diff
changeset
|
233 cmdline += ['<', util.nulldev] |
5529
5499dbb445de
convert: fix util.popen regression in darcs converter
Patrick Mezard <pmezard@gmail.com>
parents:
5513
diff
changeset
|
234 cmdline = ' '.join(cmdline) |
5832
2192ed187319
convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents:
5760
diff
changeset
|
235 return cmdline |
5512
8cd26ccc68f8
convert: abstract darcs's commandline handling
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diff
changeset
|
236 |
5832
2192ed187319
convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents:
5760
diff
changeset
|
237 def _run(self, cmd, *args, **kwargs): |
2192ed187319
convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
238 cmdline = self._cmdline(cmd, *args, **kwargs) |
6956
12472a240398
i18n: mark strings for translation in convert extension
Martin Geisler <mg@daimi.au.dk>
parents:
6870
diff
changeset
|
239 self.ui.debug(_('running: %s\n') % (cmdline,)) |
5512
8cd26ccc68f8
convert: abstract darcs's commandline handling
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240 self.prerun() |
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241 try: |
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242 return util.popen(cmdline) |
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243 finally: |
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244 self.postrun() |
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245 |
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246 def run(self, cmd, *args, **kwargs): |
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247 fp = self._run(cmd, *args, **kwargs) |
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248 output = fp.read() |
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249 self.ui.debug(output) |
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250 return output, fp.close() |
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251 |
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252 def runlines(self, cmd, *args, **kwargs): |
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253 fp = self._run(cmd, *args, **kwargs) |
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254 output = fp.readlines() |
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255 self.ui.debug(''.join(output)) |
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256 return output, fp.close() |
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257 |
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258 def checkexit(self, status, output=''): |
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259 if status: |
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260 if output: |
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261 self.ui.warn(_('%s error:\n') % self.command) |
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262 self.ui.warn(output) |
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263 msg = util.explain_exit(status)[0] |
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264 raise util.Abort(_('%s %s') % (self.command, msg)) |
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265 |
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266 def run0(self, cmd, *args, **kwargs): |
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267 output, status = self.run(cmd, *args, **kwargs) |
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268 self.checkexit(status, output) |
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269 return output |
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270 |
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271 def runlines0(self, cmd, *args, **kwargs): |
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272 output, status = self.runlines(cmd, *args, **kwargs) |
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273 self.checkexit(status, ''.join(output)) |
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274 return output |
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275 |
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276 def getargmax(self): |
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277 if '_argmax' in self.__dict__: |
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278 return self._argmax |
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279 |
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280 # POSIX requires at least 4096 bytes for ARG_MAX |
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281 self._argmax = 4096 |
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282 try: |
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283 self._argmax = os.sysconf("SC_ARG_MAX") |
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284 except: |
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285 pass |
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286 |
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287 # Windows shells impose their own limits on command line length, |
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288 # down to 2047 bytes for cmd.exe under Windows NT/2k and 2500 bytes |
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289 # for older 4nt.exe. See http://support.microsoft.com/kb/830473 for |
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290 # details about cmd.exe limitations. |
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291 |
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292 # Since ARG_MAX is for command line _and_ environment, lower our limit |
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293 # (and make happy Windows shells while doing this). |
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294 |
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295 self._argmax = self._argmax/2 - 1 |
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296 return self._argmax |
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297 |
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298 def limit_arglist(self, arglist, cmd, *args, **kwargs): |
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299 limit = self.getargmax() - len(self._cmdline(cmd, *args, **kwargs)) |
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300 bytes = 0 |
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301 fl = [] |
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302 for fn in arglist: |
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303 b = len(fn) + 3 |
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304 if bytes + b < limit or len(fl) == 0: |
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305 fl.append(fn) |
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306 bytes += b |
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307 else: |
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308 yield fl |
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309 fl = [fn] |
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310 bytes = b |
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311 if fl: |
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312 yield fl |
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313 |
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314 def xargs(self, arglist, cmd, *args, **kwargs): |
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315 for l in self.limit_arglist(arglist, cmd, *args, **kwargs): |
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316 self.run0(cmd, *(list(args) + l), **kwargs) |
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317 |
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318 class mapfile(dict): |
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319 def __init__(self, ui, path): |
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320 super(mapfile, self).__init__() |
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321 self.ui = ui |
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322 self.path = path |
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323 self.fp = None |
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324 self.order = [] |
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325 self._read() |
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326 |
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327 def _read(self): |
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328 if not self.path: |
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329 return |
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330 try: |
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331 fp = open(self.path, 'r') |
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332 except IOError, err: |
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333 if err.errno != errno.ENOENT: |
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334 raise |
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335 return |
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336 for line in fp: |
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337 key, value = strutil.rsplit(line[:-1], ' ', 1) |
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338 if key not in self: |
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339 self.order.append(key) |
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340 super(mapfile, self).__setitem__(key, value) |
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341 fp.close() |
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342 |
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343 def __setitem__(self, key, value): |
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344 if self.fp is None: |
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345 try: |
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346 self.fp = open(self.path, 'a') |
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347 except IOError, err: |
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348 raise util.Abort(_('could not open map file %r: %s') % |
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349 (self.path, err.strerror)) |
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350 self.fp.write('%s %s\n' % (key, value)) |
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351 self.fp.flush() |
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352 super(mapfile, self).__setitem__(key, value) |
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353 |
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354 def close(self): |
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355 if self.fp: |
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
356 self.fp.close() |
8cd26ccc68f8
convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents:
5510
diff
changeset
|
357 self.fp = None |