Mercurial > hgrepos > DevTools > mercurial-extensions

annotate extensions/kwarchive.py @ 33:dc8db9693262

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
kwarchive expands keyword on given files (.hgkwarchive with generic Mercurial patterns)
author Franz Glasner <hg@dom66.de>
date Sat, 11 Nov 2017 23:05:37 +0100
parents cfa53f8a6607
children 7c4addd60935
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # -*- coding: utf-8 -*-
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2 """archive with keyword expansion into selected files
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3
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4 The patterns of files to to expanded are configured in an versioned
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5 ``.hgkwarchive`` configuration file found in the root of the working
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6 directory.
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7
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8 The ``.hgkwarchive`` file uses the same syntax as all other Mercurial
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9 configuration files.
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10
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11 The ``[patterns]`` section specifies which files should have the keywords
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12 expanded.
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13
dc8db9693262 kwarchive expands keyword on given files (.hgkwarchive with generic Mercurial patterns)
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14
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15 Example::
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16
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17 [patterns]
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18 # expand keywords in every python file except those matching "x*"
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19 **.py =
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20 x* = NO
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21
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22 A non-existing ``.hgkwarchive`` file deactivates keyword expansion as does
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23 an empty ``[patterns]`` section.
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24
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25 """
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26
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27 from __future__ import absolute_import
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29
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30 __version__ = "0.0.dev1"
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31
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32 __author__ = "Franz Glasner"
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33
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34
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35 import os
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36 import itertools
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37
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38 from mercurial.i18n import _
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39 from mercurial import (archival, commands, config, cmdutil, error, match,
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40 pycompat, scmutil, templatefilters, util)
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42
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43 testedwith = "4.3.2"
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45
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46 cmdtable = {}
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47
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48 command = cmdutil.command(cmdtable)
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50
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51 @command('kwarchive',
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52 [('', 'no-decode', None, _('do not pass files through decoders')),
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53 ('p', 'prefix', '', _('directory prefix for files in archive'),
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54 _('PREFIX')),
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55 ('r', 'rev', '', _('revision to distribute'), _('REV')),
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56 ('t', 'type', '', _('type of distribution to create'), _('TYPE')),
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57 ] + cmdutil.subrepoopts + cmdutil.walkopts,
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58 _('[OPTION]... DEST'))
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59 def kwarchive(ui, repo, dest, **opts):
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60 '''create an unversioned archive of a repository revision with some keywords expanded
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61
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62 By default, the revision used is the parent of the working
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63 directory; use -r/--rev to specify a different revision.
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64
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65 The archive type is automatically detected based on file
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66 extension (to override, use -t/--type).
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67
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68 .. container:: verbose
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69
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70 Examples:
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71
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72 - create a zip file containing the 1.0 release::
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73
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74 hg archive -r 1.0 project-1.0.zip
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75
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76 - create a tarball excluding .hg files::
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77
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78 hg archive project.tar.gz -X ".hg*"
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79
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80 Valid types are:
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81
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82 :``files``: a directory full of files (default)
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83 :``tar``: tar archive, uncompressed
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84 :``tbz2``: tar archive, compressed using bzip2
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85 :``tgz``: tar archive, compressed using gzip
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86 :``uzip``: zip archive, uncompressed
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87 :``zip``: zip archive, compressed using deflate
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88
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89 The exact name of the destination archive or directory is given
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90 using a format string; see :hg:`help export` for details.
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91
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92 Each member added to an archive file has a directory prefix
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93 prepended. Use -p/--prefix to specify a format string for the
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94 prefix. The default is the basename of the archive, with suffixes
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95 removed.
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96
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97 Returns 0 on success.
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98 '''
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99
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100 opts = pycompat.byteskwargs(opts)
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101 ctx = scmutil.revsingle(repo, opts.get('rev'))
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102 if not ctx:
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103 raise error.Abort(_('no working directory: please specify a revision'))
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104 node = ctx.node()
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105 dest = cmdutil.makefilename(repo, dest, node)
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106 if os.path.realpath(dest) == repo.root:
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107 raise error.Abort(_('repository root cannot be destination'))
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108
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109 kind = opts.get('type') or archival.guesskind(dest) or 'files'
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110 prefix = opts.get('prefix')
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111
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112 if dest == '-':
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113 if kind == 'files':
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114 raise error.Abort(_('cannot archive plain files to stdout'))
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115 dest = cmdutil.makefileobj(repo, dest)
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116 if not prefix:
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117 prefix = os.path.basename(repo.root) + '-%h'
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118
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119 prefix = cmdutil.makefilename(repo, prefix, node)
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120 matchfn = scmutil.match(ctx, [], opts)
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58f47399691c New successful PoC: monkey-patch all relevant archiver's "addfile()" method
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121
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122 #
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123 # Monkey patch archival's archivers classes so that an archiver's "addfile()"
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124 # expands keywords
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125 #
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cfa53f8a6607 Refactor the class' monkey-patching
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126 for ac in ("fileit", "tarit", "zipit",):
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127 patch_archiver_class(
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128 ac,
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129 make_keyword_filter(
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130 ui,
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131 repo,
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132 ctx,
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133 ac,
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134 archival.tidyprefix(dest, kind, prefix)))
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135
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136 archival.archive(repo, dest, node, kind, not opts.get('no_decode'),
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137 matchfn, prefix, subrepos=opts.get('subrepos'))
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138
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139 # XXX FIXME: Should the original methods be restored here?
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140
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141
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142 def patch_archiver_class(archivername, filter):
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143 """Patch an archiver class and return the original unbound method"""
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144
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145 archiver_class = getattr(archival, archivername)
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146 orig_addfile = getattr(archiver_class, "addfile")
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147
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148 def new_addfile(self, name, mode, isline, data):
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149 return orig_addfile(self, name, mode, isline, filter(name, data))
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150
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151 setattr(archiver_class, "addfile", new_addfile)
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152 return orig_addfile
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153
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154
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155 def make_keyword_filter(ui, repo, ctx, archive_class, prefix,
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156 hgpath="default"):
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157
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158 # node specific keywords
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159 keywords = {
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160 "HGpath": ui.config("paths", hgpath) or repo.root,
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161 "HGrevision": ctx.hex(),
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162 "Revision": templatefilters.short(ctx.hex()),
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163 "Author": templatefilters.person(ctx.user()),
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164 "Date": templatefilters.isodatesec(ctx.date()),
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165 }
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166 # .hgkwarchive
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167 try:
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168 kwconfig = ctx[".hgkwarchive"]
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169 except (IOError, LookupError):
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170 def _filter(name, data):
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171 return data
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172 else:
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173 cfg = config.config()
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174 cfg.parse(".kwarchive", kwconfig.data())
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175 include = []
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176 exclude = []
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177 patterns = []
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178 if cfg.items("patterns"):
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179 for pattern, style in cfg.items("patterns"):
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180 style = style.upper()
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181 if style in ("YES", "INCLUDE",):
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182 include.append(pattern)
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183 if style in ("NO", "EXCLUDE",):
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184 exclude.append(pattern)
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185 else:
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186 patterns.append(pattern)
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187 matcher = match.match(repo.root, '', patterns=patterns,
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188 include=include, exclude=exclude)
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189 else:
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190 matcher = match.never(repo.root, '')
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191
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192 def _filter(name, data):
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193 real_name = name
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194 if archive_class != "fileit":
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195 if prefix:
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196 assert name.startswith(prefix)
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197 real_name = name[len(prefix):]
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198 if not matcher(real_name):
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199 return data
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200 # file specific keywords
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201 file_keywords = {
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202 "HGsource": keywords["HGpath"] + '/' + real_name,
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203 "Source": real_name,
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204 "File": templatefilters.basename(real_name),
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205 "Header": "%s %s %s %s" % (real_name, keywords["Revision"], keywords["Date"], keywords["Author"]),
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206 "HGid": "%s %s %s %s" % (keywords["HGpath"] + '/' + real_name, keywords["Revision"], keywords["Date"], keywords["Author"]),
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207 "HGheader": "%s %s %s %s" % (keywords["HGpath"] + '/' + real_name, keywords["HGrevision"], keywords["Date"], keywords["Author"]),
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208 "Id": "%s %s %s %s" % (templatefilters.basename(real_name), keywords["Revision"], keywords["Date"], keywords["Author"]),
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209 }
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210 # This prevents unwanted keyword expansion here
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211 _MARKER = '$'
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212 for kw, value in itertools.chain(keywords.items(), file_keywords.items()):
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213 filekw = _MARKER + kw + _MARKER
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214 filevalue = "%s%s: %s %s" % (_MARKER, kw, value, _MARKER)
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215 data = data.replace(filekw, filevalue)
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216 return data
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217
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218 return _filter