annotate hgext/churn.py @ 9784:54d292da1df7

hgrc.5: do not mention "name: value" syntax This was supported in versions prior to 1.3 where we used the standard Python ConfigParser. The new config parser never supported it.
author Martin Geisler <mg@lazybytes.net>
date Sat, 07 Nov 2009 18:47:04 +0100
parents 5bbf4f130684
children 25e572394f5c
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 added, removed = 0, 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("+++ "):
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31 added += 1
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32 elif l.startswith("-") and not l.startswith("--- "):
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33 removed += 1
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34 return (added, removed)
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35
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36 def countrate(ui, repo, amap, *pats, **opts):
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37 """Calculate stats"""
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38 if opts.get('dateformat'):
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39 def getkey(ctx):
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40 t, tz = ctx.date()
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41 date = datetime.datetime(*time.gmtime(float(t) - tz)[:6])
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42 return date.strftime(opts['dateformat'])
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43 else:
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44 tmpl = opts.get('template', '{author|email}')
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45 tmpl = maketemplater(ui, repo, tmpl)
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46 def getkey(ctx):
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47 ui.pushbuffer()
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48 tmpl.show(ctx)
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49 return ui.popbuffer()
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50
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51 state = {'count': 0, 'pct': 0}
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52 rate = {}
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53 df = False
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54 if opts.get('date'):
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55 df = util.matchdate(opts['date'])
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56
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57 m = cmdutil.match(repo, pats, opts)
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58 def prep(ctx, fns):
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59 rev = ctx.rev()
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60 if df and not df(ctx.date()[0]): # doesn't match date format
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61 return
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62
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63 key = getkey(ctx)
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64 key = amap.get(key, key) # alias remap
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65 if opts.get('changesets'):
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66 rate[key] = (rate.get(key, (0,))[0] + 1, 0)
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67 else:
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68 parents = ctx.parents()
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69 if len(parents) > 1:
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70 ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,))
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71 return
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72
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73 ctx1 = parents[0]
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74 lines = changedlines(ui, repo, ctx1, ctx, fns)
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75 rate[key] = [r + l for r, l in zip(rate.get(key, (0, 0)), lines)]
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76
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77 if opts.get('progress'):
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78 state['count'] += 1
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79 newpct = int(100.0 * state['count'] / max(len(repo), 1))
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80 if state['pct'] < newpct:
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81 state['pct'] = newpct
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82 ui.write("\r" + _("generating stats: %d%%") % state['pct'])
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83 sys.stdout.flush()
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84
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85 for ctx in cmdutil.walkchangerevs(repo, m, opts, prep):
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86 continue
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87
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88 if opts.get('progress'):
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89 ui.write("\r")
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90 sys.stdout.flush()
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91
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92 return rate
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93
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94
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95 def churn(ui, repo, *pats, **opts):
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96 '''histogram of changes to the repository
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97
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98 This command will display a histogram representing the number
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99 of changed lines or revisions, grouped according to the given
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100 template. The default template will group changes by author.
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101 The --dateformat option may be used to group the results by
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102 date instead.
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103
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104 Statistics are based on the number of changed lines, or
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105 alternatively the number of matching revisions if the
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106 --changesets option is specified.
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107
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108 Examples::
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109
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110 # display count of changed lines for every committer
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111 hg churn -t '{author|email}'
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112
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113 # display daily activity graph
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114 hg churn -f '%H' -s -c
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115
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116 # display activity of developers by month
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117 hg churn -f '%Y-%m' -s -c
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118
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119 # display count of lines changed in every year
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120 hg churn -f '%Y' -s
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121
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122 It is possible to map alternate email addresses to a main address
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123 by providing a file using the following format::
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124
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125 <alias email> <actual email>
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126
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127 Such a file may be specified with the --aliases option, otherwise
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128 a .hgchurn file will be looked for in the working directory root.
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129 '''
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130 def pad(s, l):
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131 return (s + " " * l)[:l]
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132
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133 amap = {}
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134 aliases = opts.get('aliases')
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135 if not aliases and os.path.exists(repo.wjoin('.hgchurn')):
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136 aliases = repo.wjoin('.hgchurn')
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137 if aliases:
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138 for l in open(aliases, "r"):
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139 l = l.strip()
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140 alias, actual = l.split()
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141 amap[alias] = actual
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142
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143 rate = countrate(ui, repo, amap, *pats, **opts).items()
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144 if not rate:
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145 return
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146
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147 sortkey = ((not opts.get('sort')) and (lambda x: -sum(x[1])) or None)
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148 rate.sort(key=sortkey)
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149
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150 # Be careful not to have a zero maxcount (issue833)
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151 maxcount = float(max(sum(v) for k, v in rate)) or 1.0
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152 maxname = max(len(k) for k, v in rate)
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153
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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 - 2 - 2
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157
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158 if opts.get('diffstat'):
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159 width -= 15
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160 def format(name, (added, removed)):
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161 return "%s %15s %s%s\n" % (pad(name, maxname),
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162 '+%d/-%d' % (added, removed),
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163 '+' * charnum(added),
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164 '-' * charnum(removed))
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165 else:
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166 width -= 6
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167 def format(name, count):
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168 return "%s %6d %s\n" % (pad(name, maxname), sum(count),
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169 '*' * charnum(sum(count)))
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170
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171 def charnum(count):
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172 return int(round(count*width/maxcount))
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173
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174 for name, count in rate:
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175 ui.write(format(name, count))
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176
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177
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178 cmdtable = {
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179 "churn":
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180 (churn,
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181 [('r', 'rev', [], _('count rate for the specified revision or range')),
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182 ('d', 'date', '', _('count rate for revisions matching date spec')),
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183 ('t', 'template', '{author|email}', _('template to group changesets')),
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184 ('f', 'dateformat', '',
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185 _('strftime-compatible format for grouping by date')),
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186 ('c', 'changesets', False, _('count rate by number of changesets')),
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187 ('s', 'sort', False, _('sort by key (default: sort by count)')),
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188 ('', 'diffstat', False, _('display added/removed lines separately')),
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189 ('', 'aliases', '', _('file with email aliases')),
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190 ('', 'progress', None, _('show progress'))],
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191 _("hg churn [-d DATE] [-r REV] [--aliases FILE] [--progress] [FILE]")),
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192 }