annotate hgext/churn.py @ 9379:9d2e3508faf9

merge with crew-stable
author Dirkjan Ochtman <dirkjan@ochtman.nl>
date Sat, 22 Aug 2009 10:25:50 +0200
parents 1ef630452e0b
children 7cca980317c5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # churn.py - create a graph of revisions count grouped by template
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2 #
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3 # Copyright 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net>
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4 # Copyright 2008 Alexander Solovyov <piranha@piranha.org.ua>
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5 #
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6 # This software may be used and distributed according to the terms of the
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7 # GNU General Public License version 2, incorporated herein by reference.
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8
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9 '''command to display statistics about repository history'''
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10
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11 from mercurial.i18n import _
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12 from mercurial import patch, cmdutil, util, templater
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13 import sys, os
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14 import time, datetime
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15
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16 def maketemplater(ui, repo, tmpl):
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17 tmpl = templater.parsestring(tmpl, quoted=False)
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18 try:
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19 t = cmdutil.changeset_templater(ui, repo, False, None, None, False)
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20 except SyntaxError, inst:
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21 raise util.Abort(inst.args[0])
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22 t.use_template(tmpl)
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23 return t
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24
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25 def changedlines(ui, repo, ctx1, ctx2, fns):
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26 lines = 0
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27 fmatch = cmdutil.matchfiles(repo, fns)
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28 diff = ''.join(patch.diff(repo, ctx1.node(), ctx2.node(), fmatch))
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29 for l in diff.split('\n'):
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30 if (l.startswith("+") and not l.startswith("+++ ") or
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31 l.startswith("-") and not l.startswith("--- ")):
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32 lines += 1
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33 return lines
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34
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35 def countrate(ui, repo, amap, *pats, **opts):
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36 """Calculate stats"""
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37 if opts.get('dateformat'):
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38 def getkey(ctx):
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39 t, tz = ctx.date()
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40 date = datetime.datetime(*time.gmtime(float(t) - tz)[:6])
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41 return date.strftime(opts['dateformat'])
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42 else:
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43 tmpl = opts.get('template', '{author|email}')
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44 tmpl = maketemplater(ui, repo, tmpl)
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45 def getkey(ctx):
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46 ui.pushbuffer()
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47 tmpl.show(ctx)
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48 return ui.popbuffer()
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49
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50 count = pct = 0
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51 rate = {}
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52 df = False
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53 if opts.get('date'):
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54 df = util.matchdate(opts['date'])
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55
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56 get = util.cachefunc(lambda r: repo[r])
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57 changeiter, matchfn = cmdutil.walkchangerevs(ui, repo, pats, get, opts)
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58 for st, rev, fns in changeiter:
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59
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60 if not st == 'add':
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61 continue
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63 ctx = get(rev)
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64 if df and not df(ctx.date()[0]): # doesn't match date format
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65 continue
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66
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67 key = getkey(ctx)
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68 key = amap.get(key, key) # alias remap
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69 if opts.get('changesets'):
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70 rate[key] = rate.get(key, 0) + 1
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71 else:
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72 parents = ctx.parents()
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73 if len(parents) > 1:
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74 ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,))
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75 continue
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76
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77 ctx1 = parents[0]
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78 lines = changedlines(ui, repo, ctx1, ctx, fns)
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79 rate[key] = rate.get(key, 0) + lines
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80
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81 if opts.get('progress'):
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82 count += 1
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83 newpct = int(100.0 * count / max(len(repo), 1))
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84 if pct < newpct:
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85 pct = newpct
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86 ui.write("\r" + _("generating stats: %d%%") % pct)
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87 sys.stdout.flush()
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88
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89 if opts.get('progress'):
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90 ui.write("\r")
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91 sys.stdout.flush()
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92
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93 return rate
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94
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95
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96 def churn(ui, repo, *pats, **opts):
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97 '''histogram of changes to the repository
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98
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99 This command will display a histogram representing the number
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100 of changed lines or revisions, grouped according to the given
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101 template. The default template will group changes by author.
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102 The --dateformat option may be used to group the results by
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103 date instead.
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104
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105 Statistics are based on the number of changed lines, or
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106 alternatively the number of matching revisions if the
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107 --changesets option is specified.
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108
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109 Examples::
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110
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111 # display count of changed lines for every committer
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112 hg churn -t '{author|email}'
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113
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114 # display daily activity graph
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115 hg churn -f '%H' -s -c
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116
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117 # display activity of developers by month
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118 hg churn -f '%Y-%m' -s -c
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119
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120 # display count of lines changed in every year
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121 hg churn -f '%Y' -s
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122
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123 It is possible to map alternate email addresses to a main address
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124 by providing a file using the following format::
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125
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126 <alias email> <actual email>
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127
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128 Such a file may be specified with the --aliases option, otherwise
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129 a .hgchurn file will be looked for in the working directory root.
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130 '''
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131 def pad(s, l):
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132 return (s + " " * l)[:l]
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133
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134 amap = {}
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135 aliases = opts.get('aliases')
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136 if not aliases and os.path.exists(repo.wjoin('.hgchurn')):
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137 aliases = repo.wjoin('.hgchurn')
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138 if aliases:
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139 for l in open(aliases, "r"):
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140 l = l.strip()
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141 alias, actual = l.split()
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142 amap[alias] = actual
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143
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144 rate = countrate(ui, repo, amap, *pats, **opts).items()
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145 if not rate:
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146 return
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147
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Alejandro Santos <alejolp@alejolp.com>
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148 sortkey = ((not opts.get('sort')) and (lambda x: -x[1]) or None)
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149 rate.sort(key=sortkey)
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150
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parents: 7070
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151 maxcount = float(max([v for k, v in rate]))
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152 maxname = max([len(k) for k, v in rate])
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153
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parents: 7369
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154 ttywidth = util.termwidth()
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155 ui.debug(_("assuming %i character terminal\n") % ttywidth)
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156 width = ttywidth - maxname - 2 - 6 - 2 - 2
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157
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Alexander Solovyov <piranha@piranha.org.ua>
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158 for date, count in rate:
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159 print "%s %6d %s" % (pad(date, maxname), count,
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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160 "*" * int(count * width / maxcount))
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Stephen Deasey <sdeasey@gmail.com>
parents: 6212
diff changeset
161
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parents:
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162
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163 cmdtable = {
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164 "churn":
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165 (churn,
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166 [('r', 'rev', [], _('count rate for the specified revision or range')),
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Martin Geisler <mg@lazybytes.net>
parents: 7987
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167 ('d', 'date', '', _('count rate for revisions matching date spec')),
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168 ('t', 'template', '{author|email}', _('template to group changesets')),
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169 ('f', 'dateformat', '',
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170 _('strftime-compatible format for grouping by date')),
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171 ('c', 'changesets', False, _('count rate by number of changesets')),
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parents: 7051
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172 ('s', 'sort', False, _('sort by key (default: sort by count)')),
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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173 ('', 'aliases', '', _('file with email aliases')),
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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174 ('', 'progress', None, _('show progress'))],
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Martin Geisler <mg@daimi.au.dk>
parents: 7127
diff changeset
175 _("hg churn [-d DATE] [-r REV] [--aliases FILE] [--progress] [FILE]")),
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Josef "Jeff" Sipek <jeff@josefsipek.net>
parents:
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176 }