annotate hgext/convert/common.py @ 6382:f3c3965fa0ff

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author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Mon, 24 Mar 2008 18:07:07 -0300
parents 950e72fc7cf3
children c9b8d2565b92 93b03f1be289
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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
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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"""
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72 raise NotImplementedError()
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73
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74 def getmode(self, name, rev):
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75 """Return file mode, eg. '', 'x', or 'l'"""
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76 raise NotImplementedError()
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77
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78 def getchanges(self, version):
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79 """Returns a tuple of (files, copies)
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80 Files is a sorted list of (filename, id) tuples for all files changed
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81 in version, where id is the source revision id of the file.
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82
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83 copies is a dictionary of dest: source
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84 """
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85 raise NotImplementedError()
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86
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87 def getcommit(self, version):
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88 """Return the commit object for version"""
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89 raise NotImplementedError()
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90
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91 def gettags(self):
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92 """Return the tags as a dictionary of name: revision"""
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93 raise NotImplementedError()
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94
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95 def recode(self, s, encoding=None):
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96 if not encoding:
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97 encoding = self.encoding or 'utf-8'
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98
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99 if isinstance(s, unicode):
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100 return s.encode("utf-8")
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101 try:
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102 return s.decode(encoding).encode("utf-8")
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103 except:
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104 try:
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105 return s.decode("latin-1").encode("utf-8")
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106 except:
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107 return s.decode(encoding, "replace").encode("utf-8")
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108
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109 def getchangedfiles(self, rev, i):
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110 """Return the files changed by rev compared to parent[i].
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111
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112 i is an index selecting one of the parents of rev. The return
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113 value should be the list of files that are different in rev and
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114 this parent.
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115
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116 If rev has no parents, i is None.
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117
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118 This function is only needed to support --filemap
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119 """
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120 raise NotImplementedError()
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121
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122 def converted(self, rev, sinkrev):
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123 '''Notify the source that a revision has been converted.'''
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124 pass
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125
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126
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127 class converter_sink(object):
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128 """Conversion sink (target) interface"""
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129
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130 def __init__(self, ui, path):
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131 """Initialize conversion sink (or raise NoRepo("message")
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132 exception if path is not a valid repository)
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133
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134 created is a list of paths to remove if a fatal error occurs
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135 later"""
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136 self.ui = ui
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137 self.path = path
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138 self.created = []
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139
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140 def getheads(self):
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141 """Return a list of this repository's heads"""
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142 raise NotImplementedError()
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143
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89fbb0a5e8e3 convert: rename mapfile to revmapfile, so we can map more than just revs
Bryan O'Sullivan <bos@serpentine.com>
parents: 4957
diff changeset
144 def revmapfile(self):
4447
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
145 """Path to a file that will contain lines
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
146 source_rev_id sink_rev_id
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
147 mapping equivalent revision identifiers for each system."""
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
148 raise NotImplementedError()
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
149
4589
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4536
diff changeset
150 def authorfile(self):
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4536
diff changeset
151 """Path to a file that will contain lines
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4536
diff changeset
152 srcauthor=dstauthor
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4536
diff changeset
153 mapping equivalent authors identifiers for each system."""
4590
80fb4ec512b5 convert: fix various authormap handling bugs
Brendan Cully <brendan@kublai.com>
parents: 4589
diff changeset
154 return None
4589
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4536
diff changeset
155
4447
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
156 def putfile(self, f, e, data):
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
157 """Put file for next putcommit().
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
158 f: path to file
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
159 e: '', 'x', or 'l' (regular file, executable, or symlink)
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
160 data: file contents"""
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
161 raise NotImplementedError()
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
162
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
163 def delfile(self, f):
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
164 """Delete file for next putcommit().
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
165 f: path to file"""
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
166 raise NotImplementedError()
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
167
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
168 def putcommit(self, files, parents, commit):
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
169 """Create a revision with all changed files listed in 'files'
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
170 and having listed parents. 'commit' is a commit object containing
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
171 at a minimum the author, date, and message for this changeset.
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
172 Called after putfile() and delfile() calls. Note that the sink
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
173 repository is not told to update itself to a particular revision
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
174 (or even what that revision would be) before it receives the
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
175 file data."""
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
176 raise NotImplementedError()
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
177
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
178 def puttags(self, tags):
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
179 """Put tags into sink.
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
180 tags: {tagname: sink_rev_id, ...}"""
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
181 raise NotImplementedError()
5127
39b6eaee6fd7 convert: replace fork with subprocess call.
Patrick Mezard <pmezard@gmail.com>
parents: 5121
diff changeset
182
5934
e495f3f35b2d convert: hg.clonebranches must pull missing parents (issue941)
Patrick Mezard <pmezard@gmail.com>
parents: 5441
diff changeset
183 def setbranch(self, branch, pbranches):
5173
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5143
diff changeset
184 """Set the current branch name. Called before the first putfile
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5143
diff changeset
185 on the branch.
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5143
diff changeset
186 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
187 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
188 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
189
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
190 def setfilemapmode(self, active):
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
191 """Tell the destination that we're using a filemap
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
192
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
193 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
194 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
195 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
diff changeset
196 filter empty revisions.
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
197 """
8a2915f57dfc convert: add a mode where mercurial_sink skips empty revisions.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5377
diff changeset
198 pass
5510
11d7908a3ea8 convert: abstract map files into a class
Bryan O'Sullivan <bos@serpentine.com>
parents: 5497
diff changeset
199
5512
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
200 def before(self):
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
201 pass
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
202
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
203 def after(self):
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
204 pass
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
205
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
206
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
207 class commandline(object):
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
208 def __init__(self, ui, command):
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
209 self.ui = ui
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
210 self.command = command
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
211
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
212 def prerun(self):
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
213 pass
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
214
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
215 def postrun(self):
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
216 pass
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
217
5832
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
218 def _cmdline(self, cmd, *args, **kwargs):
5512
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
219 cmdline = [self.command, cmd] + list(args)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
220 for k, v in kwargs.iteritems():
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
221 if len(k) == 1:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
222 cmdline.append('-' + k)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
223 else:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
224 cmdline.append('--' + k.replace('_', '-'))
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
225 try:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
226 if len(k) == 1:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
227 cmdline.append('' + v)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
228 else:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
229 cmdline[-1] += '=' + v
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
230 except TypeError:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
231 pass
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
232 cmdline = [util.shellquote(arg) for arg in cmdline]
6035
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
233 cmdline += ['2>', util.nulldev, '<', 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)
5512
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
235 self.ui.debug(cmdline, '\n')
5832
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
236 return cmdline
5512
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
237
5832
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
238 def _run(self, cmd, *args, **kwargs):
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
239 cmdline = self._cmdline(cmd, *args, **kwargs)
5512
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
240 self.prerun()
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
241 try:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
242 return util.popen(cmdline)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
243 finally:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
244 self.postrun()
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
245
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
246 def run(self, cmd, *args, **kwargs):
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
247 fp = self._run(cmd, *args, **kwargs)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
248 output = fp.read()
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
249 self.ui.debug(output)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
250 return output, fp.close()
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
251
6035
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
252 def runlines(self, cmd, *args, **kwargs):
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
253 fp = self._run(cmd, *args, **kwargs)
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
254 output = fp.readlines()
6049
348132c112cf convert: improve gnu arch source performance and other fixes
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6035
diff changeset
255 self.ui.debug(''.join(output))
6035
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
256 return output, fp.close()
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
257
5512
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
258 def checkexit(self, status, output=''):
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
259 if status:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
260 if output:
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
261 self.ui.warn(_('%s error:\n') % self.command)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
262 self.ui.warn(output)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
263 msg = util.explain_exit(status)[0]
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
264 raise util.Abort(_('%s %s') % (self.command, msg))
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
265
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
266 def run0(self, cmd, *args, **kwargs):
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
267 output, status = self.run(cmd, *args, **kwargs)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
268 self.checkexit(status, output)
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
269 return output
8cd26ccc68f8 convert: abstract darcs's commandline handling
Bryan O'Sullivan <bos@serpentine.com>
parents: 5510
diff changeset
270
6035
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
271 def runlines0(self, cmd, *args, **kwargs):
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
272 output, status = self.runlines(cmd, *args, **kwargs)
6049
348132c112cf convert: improve gnu arch source performance and other fixes
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6035
diff changeset
273 self.checkexit(status, ''.join(output))
6035
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
274 return output
df659eb23360 convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents: 6001
diff changeset
275
5832
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
276 def getargmax(self):
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
277 if '_argmax' in self.__dict__:
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
278 return self._argmax
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
279
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
280 # POSIX requires at least 4096 bytes for ARG_MAX
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
281 self._argmax = 4096
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
282 try:
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
283 self._argmax = os.sysconf("SC_ARG_MAX")
2192ed187319 convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents: 5760
diff changeset
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 self.path is None:
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329 return
5510
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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 = line[:-1].split(' ', 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()
5760
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diff changeset
342
5510
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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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diff changeset
347 except IOError, err:
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diff changeset
348 raise util.Abort(_('could not open map file %r: %s') %
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diff changeset
349 (self.path, err.strerror))
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350 self.fp.write('%s %s\n' % (key, value))
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diff changeset
351 self.fp.flush()
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diff changeset
352 super(mapfile, self).__setitem__(key, value)
11d7908a3ea8 convert: abstract map files into a class
Bryan O'Sullivan <bos@serpentine.com>
parents: 5497
diff changeset
353
11d7908a3ea8 convert: abstract map files into a class
Bryan O'Sullivan <bos@serpentine.com>
parents: 5497
diff changeset
354 def close(self):
5512
8cd26ccc68f8 convert: abstract darcs's commandline handling
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parents: 5510
diff changeset
355 if self.fp:
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diff changeset
356 self.fp.close()
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diff changeset
357 self.fp = None