Mercurial > hg
annotate hgext/convert/darcs.py @ 16514:363e808de349 stable
i18n: use locale insensitive format for datetimes as intermediate representation (issue3398)
on some non "en" locale environments, "hg convert" is aborted, because
"util.parsedate()" fails.
it fails in "memctx.__init__()" called by "putcommit()" of "convert".
in "hg convert", datetimes gotten from source repository
are usually formatted by "util.datestr()" with default format "%a %b
%d %H:%M:%S %Y %1%2".
but on some environments, "%a" and "%b" may cause locale sensitive
string, and such string may cause parse error in "util.parsedate()".
this path uses "%Y-%m-%d %H:%M:%S %1%2" as intermediate representation
format for datetimes, because it consists only of locale insensitive
elements.
datetimes in above format are only used for passing them from
conversion logic to memctx object, so it doesn't have to be formatted
by locale sensitive one.
this patch just avoids locale sensitivity problem of "datestr()" and
"parsedate()" combintion.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Thu, 26 Apr 2012 02:41:20 +0900 |
parents | 1470f8b00694 |
children | 97f1f22c2dba |
rev | line source |
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1 # darcs.py - darcs support for the convert extension |
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2 # |
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3 # Copyright 2007-2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from common import NoRepo, checktool, commandline, commit, converter_source |
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9 from mercurial.i18n import _ |
14139 | 10 from mercurial import util |
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11 import os, shutil, tempfile, re |
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12 |
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13 # The naming drift of ElementTree is fun! |
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14 |
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15 try: |
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16 from xml.etree.cElementTree import ElementTree, XMLParser |
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17 except ImportError: |
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18 try: |
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19 from xml.etree.ElementTree import ElementTree, XMLParser |
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20 except ImportError: |
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21 try: |
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22 from elementtree.cElementTree import ElementTree, XMLParser |
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23 except ImportError: |
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24 try: |
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25 from elementtree.ElementTree import ElementTree, XMLParser |
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26 except ImportError: |
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27 pass |
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28 |
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29 class darcs_source(converter_source, commandline): |
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30 def __init__(self, ui, path, rev=None): |
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31 converter_source.__init__(self, ui, path, rev=rev) |
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32 commandline.__init__(self, ui, 'darcs') |
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33 |
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34 # check for _darcs, ElementTree so that we can easily skip |
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35 # test-convert-darcs if ElementTree is not around |
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36 if not os.path.exists(os.path.join(path, '_darcs')): |
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37 raise NoRepo(_("%s does not look like a darcs repository") % path) |
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38 |
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39 checktool('darcs') |
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40 version = self.run0('--version').splitlines()[0].strip() |
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41 if version < '2.1': |
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42 raise util.Abort(_('darcs version 2.1 or newer needed (found %r)') % |
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43 version) |
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44 |
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45 if "ElementTree" not in globals(): |
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46 raise util.Abort(_("Python ElementTree module is not available")) |
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47 |
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48 self.path = os.path.realpath(path) |
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49 |
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50 self.lastrev = None |
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51 self.changes = {} |
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52 self.parents = {} |
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53 self.tags = {} |
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54 |
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55 # Check darcs repository format |
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56 format = self.format() |
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57 if format: |
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58 if format in ('darcs-1.0', 'hashed'): |
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59 raise NoRepo(_("%s repository format is unsupported, " |
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60 "please upgrade") % format) |
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61 else: |
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62 self.ui.warn(_('failed to detect repository format!')) |
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63 |
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64 def before(self): |
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65 self.tmppath = tempfile.mkdtemp( |
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66 prefix='convert-' + os.path.basename(self.path) + '-') |
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67 output, status = self.run('init', repodir=self.tmppath) |
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68 self.checkexit(status) |
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69 |
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70 tree = self.xml('changes', xml_output=True, summary=True, |
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71 repodir=self.path) |
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72 tagname = None |
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73 child = None |
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74 for elt in tree.findall('patch'): |
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75 node = elt.get('hash') |
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76 name = elt.findtext('name', '') |
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77 if name.startswith('TAG '): |
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78 tagname = name[4:].strip() |
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79 elif tagname is not None: |
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80 self.tags[tagname] = node |
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81 tagname = None |
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82 self.changes[node] = elt |
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83 self.parents[child] = [node] |
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84 child = node |
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85 self.parents[child] = [] |
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86 |
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87 def after(self): |
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88 self.ui.debug('cleaning up %s\n' % self.tmppath) |
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89 shutil.rmtree(self.tmppath, ignore_errors=True) |
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90 |
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91 def recode(self, s, encoding=None): |
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92 if isinstance(s, unicode): |
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93 # XMLParser returns unicode objects for anything it can't |
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94 # encode into ASCII. We convert them back to str to get |
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95 # recode's normal conversion behavior. |
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96 s = s.encode('latin-1') |
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97 return super(darcs_source, self).recode(s, encoding) |
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98 |
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99 def xml(self, cmd, **kwargs): |
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100 # NOTE: darcs is currently encoding agnostic and will print |
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101 # patch metadata byte-for-byte, even in the XML changelog. |
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102 etree = ElementTree() |
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103 # While we are decoding the XML as latin-1 to be as liberal as |
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104 # possible, etree will still raise an exception if any |
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105 # non-printable characters are in the XML changelog. |
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106 parser = XMLParser(encoding='latin-1') |
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107 fp = self._run(cmd, **kwargs) |
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108 etree.parse(fp, parser=parser) |
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109 self.checkexit(fp.close()) |
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110 return etree.getroot() |
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111 |
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112 def format(self): |
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113 output, status = self.run('show', 'repo', no_files=True, |
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114 repodir=self.path) |
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115 self.checkexit(status) |
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116 m = re.search(r'^\s*Format:\s*(.*)$', output, re.MULTILINE) |
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117 if not m: |
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118 return None |
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119 return ','.join(sorted(f.strip() for f in m.group(1).split(','))) |
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120 |
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121 def manifest(self): |
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122 man = [] |
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123 output, status = self.run('show', 'files', no_directories=True, |
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124 repodir=self.tmppath) |
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125 self.checkexit(status) |
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126 for line in output.split('\n'): |
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127 path = line[2:] |
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128 if path: |
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129 man.append(path) |
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130 return man |
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131 |
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132 def getheads(self): |
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133 return self.parents[None] |
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134 |
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135 def getcommit(self, rev): |
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136 elt = self.changes[rev] |
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137 date = util.strdate(elt.get('local_date'), '%a %b %d %H:%M:%S %Z %Y') |
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138 desc = elt.findtext('name') + '\n' + elt.findtext('comment', '') |
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139 # etree can return unicode objects for name, comment, and author, |
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140 # so recode() is used to ensure str objects are emitted. |
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141 return commit(author=self.recode(elt.get('author')), |
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142 date=util.datestr(date, '%Y-%m-%d %H:%M:%S %1%2'), |
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143 desc=self.recode(desc).strip(), |
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144 parents=self.parents[rev]) |
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145 |
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146 def pull(self, rev): |
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147 output, status = self.run('pull', self.path, all=True, |
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148 match='hash %s' % rev, |
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149 no_test=True, no_posthook=True, |
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150 external_merge='/bin/false', |
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151 repodir=self.tmppath) |
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152 if status: |
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153 if output.find('We have conflicts in') == -1: |
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154 self.checkexit(status, output) |
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155 output, status = self.run('revert', all=True, repodir=self.tmppath) |
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156 self.checkexit(status, output) |
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157 |
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158 def getchanges(self, rev): |
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159 copies = {} |
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160 changes = [] |
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161 man = None |
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162 for elt in self.changes[rev].find('summary').getchildren(): |
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163 if elt.tag in ('add_directory', 'remove_directory'): |
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164 continue |
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165 if elt.tag == 'move': |
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166 if man is None: |
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167 man = self.manifest() |
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168 source, dest = elt.get('from'), elt.get('to') |
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169 if source in man: |
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170 # File move |
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171 changes.append((source, rev)) |
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172 changes.append((dest, rev)) |
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173 copies[dest] = source |
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174 else: |
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175 # Directory move, deduce file moves from manifest |
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176 source = source + '/' |
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177 for f in man: |
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178 if not f.startswith(source): |
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179 continue |
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180 fdest = dest + '/' + f[len(source):] |
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181 changes.append((f, rev)) |
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182 changes.append((fdest, rev)) |
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183 copies[fdest] = f |
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184 else: |
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185 changes.append((elt.text.strip(), rev)) |
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186 self.pull(rev) |
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187 self.lastrev = rev |
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188 return sorted(changes), copies |
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189 |
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190 def getfile(self, name, rev): |
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191 if rev != self.lastrev: |
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192 raise util.Abort(_('internal calling inconsistency')) |
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193 path = os.path.join(self.tmppath, name) |
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194 data = util.readfile(path) |
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195 mode = os.lstat(path).st_mode |
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196 mode = (mode & 0111) and 'x' or '' |
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197 return data, mode |
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198 |
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199 def gettags(self): |
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200 return self.tags |