Mercurial > hg > mercurial-crew-with-dirclash

annotate contrib/churn.py @ 5456:a58d415b272e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix typo
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Thu, 11 Oct 2007 16:28:30 +0200
parents 041bd297f01e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # churn.py - create a graph showing who changed the most lines
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2 #
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3 # Copyright 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7 #
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8 #
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9 # Aliases map file format is simple one alias per line in the following
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10 # format:
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11 #
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12 # <alias email> <actual email>
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13
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14 from mercurial.i18n import gettext as _
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15 from mercurial import hg, mdiff, cmdutil, ui, util, templater, node
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16 import os, sys
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17
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18 def get_tty_width():
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19 if 'COLUMNS' in os.environ:
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20 try:
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21 return int(os.environ['COLUMNS'])
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22 except ValueError:
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23 pass
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24 try:
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25 import termios, array, fcntl
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26 for dev in (sys.stdout, sys.stdin):
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27 try:
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28 fd = dev.fileno()
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29 if not os.isatty(fd):
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30 continue
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31 arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8)
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32 return array.array('h', arri)[1]
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33 except ValueError:
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34 pass
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35 except ImportError:
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36 pass
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37 return 80
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38
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39 def __gather(ui, repo, node1, node2):
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40 def dirtywork(f, mmap1, mmap2):
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41 lines = 0
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42
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43 to = mmap1 and repo.file(f).read(mmap1[f]) or None
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44 tn = mmap2 and repo.file(f).read(mmap2[f]) or None
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45
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46 diff = mdiff.unidiff(to, "", tn, "", f).split("\n")
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47
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48 for line in diff:
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49 if not line:
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50 continue # skip EOF
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51 if line.startswith(" "):
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52 continue # context line
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53 if line.startswith("--- ") or line.startswith("+++ "):
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54 continue # begining of diff
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55 if line.startswith("@@ "):
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56 continue # info line
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57
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58 # changed lines
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59 lines += 1
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60
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61 return lines
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62
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63 ##
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64
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65 lines = 0
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66
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67 changes = repo.status(node1, node2, None, util.always)[:5]
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68
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69 modified, added, removed, deleted, unknown = changes
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70
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71 who = repo.changelog.read(node2)[1]
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72 who = templater.email(who) # get the email of the person
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73
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74 mmap1 = repo.manifest.read(repo.changelog.read(node1)[0])
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75 mmap2 = repo.manifest.read(repo.changelog.read(node2)[0])
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76 for f in modified:
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77 lines += dirtywork(f, mmap1, mmap2)
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78
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79 for f in added:
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80 lines += dirtywork(f, None, mmap2)
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81
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82 for f in removed:
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83 lines += dirtywork(f, mmap1, None)
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84
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85 for f in deleted:
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86 lines += dirtywork(f, mmap1, mmap2)
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87
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88 for f in unknown:
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89 lines += dirtywork(f, mmap1, mmap2)
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90
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91 return (who, lines)
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92
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93 def gather_stats(ui, repo, amap, revs=None, progress=False):
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94 stats = {}
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95
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96 cl = repo.changelog
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97
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98 if not revs:
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99 revs = range(0, cl.count())
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100
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101 nr_revs = len(revs)
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102 cur_rev = 0
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103
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104 for rev in revs:
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105 cur_rev += 1 # next revision
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106
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107 node2 = cl.node(rev)
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108 node1 = cl.parents(node2)[0]
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109
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110 if cl.parents(node2)[1] != node.nullid:
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111 ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,))
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112 continue
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113
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114 who, lines = __gather(ui, repo, node1, node2)
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115
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116 # remap the owner if possible
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117 if amap.has_key(who):
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118 ui.note("using '%s' alias for '%s'\n" % (amap[who], who))
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119 who = amap[who]
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120
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121 if not stats.has_key(who):
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122 stats[who] = 0
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123 stats[who] += lines
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124
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125 ui.note("rev %d: %d lines by %s\n" % (rev, lines, who))
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126
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127 if progress:
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128 if int(100.0*(cur_rev - 1)/nr_revs) < int(100.0*cur_rev/nr_revs):
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129 ui.write("%d%%.." % (int(100.0*cur_rev/nr_revs),))
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130 sys.stdout.flush()
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131
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132 if progress:
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133 ui.write("done\n")
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134 sys.stdout.flush()
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135
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136 return stats
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137
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138 def churn(ui, repo, **opts):
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139 "Graphs the number of lines changed"
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140
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141 def pad(s, l):
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142 if len(s) < l:
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143 return s + " " * (l-len(s))
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144 return s[0:l]
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145
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146 def graph(n, maximum, width, char):
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147 n = int(n * width / float(maximum))
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148
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149 return char * (n)
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150
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151 def get_aliases(f):
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152 aliases = {}
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153
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154 for l in f.readlines():
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155 l = l.strip()
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156 alias, actual = l.split(" ")
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157 aliases[alias] = actual
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158
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159 return aliases
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160
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161 amap = {}
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162 aliases = opts.get('aliases')
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163 if aliases:
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164 try:
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165 f = open(aliases,"r")
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166 except OSError, e:
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167 print "Error: " + e
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168 return
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169
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170 amap = get_aliases(f)
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171 f.close()
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172
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173 revs = [int(r) for r in cmdutil.revrange(repo, opts['rev'])]
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174 revs.sort()
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175 stats = gather_stats(ui, repo, amap, revs, opts.get('progress'))
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176
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177 # make a list of tuples (name, lines) and sort it in descending order
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178 ordered = stats.items()
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179 ordered.sort(lambda x, y: cmp(y[1], x[1]))
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180
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181 maximum = ordered[0][1]
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182
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183 width = get_tty_width()
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184 ui.note(_("assuming %i character terminal\n") % width)
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185 width -= 1
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186
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187 for i in ordered:
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188 person = i[0]
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189 lines = i[1]
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190 print "%s %6d %s" % (pad(person, 20), lines,
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191 graph(lines, maximum, width - 20 - 1 - 6 - 2 - 2, '*'))
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192
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193 cmdtable = {
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194 "churn":
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195 (churn,
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196 [('r', 'rev', [], _('limit statistics to the specified revisions')),
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197 ('', 'aliases', '', _('file with email aliases')),
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198 ('', 'progress', None, _('show progress'))],
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199 'hg churn [-r revision range] [-a file] [--progress]'),
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200 }