author | Nishanth Amuluru <nishanth@fossee.in> |
Sun, 09 Jan 2011 20:26:11 +0530 | |
changeset 130 | a4fa11b2cb5c |
parent 69 | c6bca38c1cbf |
permissions | -rw-r--r-- |
69
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# churn.py - create a graph of revisions count grouped by template |
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# |
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# Copyright 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net> |
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# Copyright 2008 Alexander Solovyov <piranha@piranha.org.ua> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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|
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'''command to display statistics about repository history''' |
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|
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from mercurial.i18n import _ |
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from mercurial import patch, cmdutil, util, templater, commands |
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import os |
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import time, datetime |
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|
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def maketemplater(ui, repo, tmpl): |
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tmpl = templater.parsestring(tmpl, quoted=False) |
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try: |
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t = cmdutil.changeset_templater(ui, repo, False, None, None, False) |
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except SyntaxError, inst: |
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raise util.Abort(inst.args[0]) |
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t.use_template(tmpl) |
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return t |
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|
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def changedlines(ui, repo, ctx1, ctx2, fns): |
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added, removed = 0, 0 |
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fmatch = cmdutil.matchfiles(repo, fns) |
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diff = ''.join(patch.diff(repo, ctx1.node(), ctx2.node(), fmatch)) |
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for l in diff.split('\n'): |
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if l.startswith("+") and not l.startswith("+++ "): |
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added += 1 |
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elif l.startswith("-") and not l.startswith("--- "): |
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removed += 1 |
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return (added, removed) |
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|
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def countrate(ui, repo, amap, *pats, **opts): |
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"""Calculate stats""" |
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if opts.get('dateformat'): |
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def getkey(ctx): |
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t, tz = ctx.date() |
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date = datetime.datetime(*time.gmtime(float(t) - tz)[:6]) |
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return date.strftime(opts['dateformat']) |
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else: |
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tmpl = opts.get('template', '{author|email}') |
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tmpl = maketemplater(ui, repo, tmpl) |
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def getkey(ctx): |
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ui.pushbuffer() |
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tmpl.show(ctx) |
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return ui.popbuffer() |
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|
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state = {'count': 0} |
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rate = {} |
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df = False |
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if opts.get('date'): |
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df = util.matchdate(opts['date']) |
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m = cmdutil.match(repo, pats, opts) |
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def prep(ctx, fns): |
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rev = ctx.rev() |
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if df and not df(ctx.date()[0]): # doesn't match date format |
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return |
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|
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key = getkey(ctx) |
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key = amap.get(key, key) # alias remap |
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key = key.strip() # ignore leading and trailing spaces |
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if opts.get('changesets'): |
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rate[key] = (rate.get(key, (0,))[0] + 1, 0) |
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else: |
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parents = ctx.parents() |
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if len(parents) > 1: |
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ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,)) |
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return |
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|
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ctx1 = parents[0] |
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lines = changedlines(ui, repo, ctx1, ctx, fns) |
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rate[key] = [r + l for r, l in zip(rate.get(key, (0, 0)), lines)] |
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state['count'] += 1 |
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ui.progress(_('analyzing'), state['count'], total=len(repo)) |
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for ctx in cmdutil.walkchangerevs(repo, m, opts, prep): |
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continue |
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ui.progress(_('analyzing'), None) |
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|
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return rate |
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def churn(ui, repo, *pats, **opts): |
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90 |
'''histogram of changes to the repository |
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91 |
|
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This command will display a histogram representing the number |
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93 |
of changed lines or revisions, grouped according to the given |
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94 |
template. The default template will group changes by author. |
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95 |
The --dateformat option may be used to group the results by |
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96 |
date instead. |
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97 |
|
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98 |
Statistics are based on the number of changed lines, or |
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99 |
alternatively the number of matching revisions if the |
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100 |
--changesets option is specified. |
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101 |
|
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102 |
Examples:: |
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103 |
|
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104 |
# display count of changed lines for every committer |
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105 |
hg churn -t '{author|email}' |
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106 |
|
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107 |
# display daily activity graph |
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108 |
hg churn -f '%H' -s -c |
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109 |
|
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110 |
# display activity of developers by month |
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111 |
hg churn -f '%Y-%m' -s -c |
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112 |
|
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113 |
# display count of lines changed in every year |
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114 |
hg churn -f '%Y' -s |
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115 |
|
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116 |
It is possible to map alternate email addresses to a main address |
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117 |
by providing a file using the following format:: |
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118 |
|
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119 |
<alias email> = <actual email> |
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120 |
|
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121 |
Such a file may be specified with the --aliases option, otherwise |
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122 |
a .hgchurn file will be looked for in the working directory root. |
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123 |
''' |
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124 |
def pad(s, l): |
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125 |
return (s + " " * l)[:l] |
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126 |
|
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127 |
amap = {} |
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128 |
aliases = opts.get('aliases') |
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129 |
if not aliases and os.path.exists(repo.wjoin('.hgchurn')): |
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130 |
aliases = repo.wjoin('.hgchurn') |
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131 |
if aliases: |
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132 |
for l in open(aliases, "r"): |
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133 |
try: |
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134 |
alias, actual = l.split('=' in l and '=' or None, 1) |
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135 |
amap[alias.strip()] = actual.strip() |
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136 |
except ValueError: |
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137 |
l = l.strip() |
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138 |
if l: |
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139 |
ui.warn(_("skipping malformed alias: %s\n" % l)) |
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140 |
continue |
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141 |
|
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142 |
rate = countrate(ui, repo, amap, *pats, **opts).items() |
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143 |
if not rate: |
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144 |
return |
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145 |
|
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146 |
sortkey = ((not opts.get('sort')) and (lambda x: -sum(x[1])) or None) |
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147 |
rate.sort(key=sortkey) |
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148 |
|
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149 |
# Be careful not to have a zero maxcount (issue833) |
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150 |
maxcount = float(max(sum(v) for k, v in rate)) or 1.0 |
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151 |
maxname = max(len(k) for k, v in rate) |
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152 |
|
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153 |
ttywidth = ui.termwidth() |
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154 |
ui.debug("assuming %i character terminal\n" % ttywidth) |
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155 |
width = ttywidth - maxname - 2 - 2 - 2 |
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156 |
|
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157 |
if opts.get('diffstat'): |
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158 |
width -= 15 |
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159 |
def format(name, diffstat): |
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160 |
added, removed = diffstat |
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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 |
ui.label('+' * charnum(added), |
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164 |
'diffstat.inserted'), |
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165 |
ui.label('-' * charnum(removed), |
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166 |
'diffstat.deleted')) |
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167 |
else: |
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168 |
width -= 6 |
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169 |
def format(name, count): |
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170 |
return "%s %6d %s\n" % (pad(name, maxname), sum(count), |
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171 |
'*' * charnum(sum(count))) |
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172 |
|
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173 |
def charnum(count): |
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174 |
return int(round(count * width / maxcount)) |
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175 |
|
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176 |
for name, count in rate: |
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177 |
ui.write(format(name, count)) |
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178 |
|
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179 |
|
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180 |
cmdtable = { |
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181 |
"churn": |
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182 |
(churn, |
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183 |
[('r', 'rev', [], |
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184 |
_('count rate for the specified revision or range'), _('REV')), |
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185 |
('d', 'date', '', |
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186 |
_('count rate for revisions matching date spec'), _('DATE')), |
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187 |
('t', 'template', '{author|email}', |
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188 |
_('template to group changesets'), _('TEMPLATE')), |
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189 |
('f', 'dateformat', '', |
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190 |
_('strftime-compatible format for grouping by date'), _('FORMAT')), |
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191 |
('c', 'changesets', False, _('count rate by number of changesets')), |
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192 |
('s', 'sort', False, _('sort by key (default: sort by count)')), |
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193 |
('', 'diffstat', False, _('display added/removed lines separately')), |
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194 |
('', 'aliases', '', |
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195 |
_('file with email aliases'), _('FILE')), |
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196 |
] + commands.walkopts, |
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197 |
_("hg churn [-d DATE] [-r REV] [--aliases FILE] [FILE]")), |
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198 |
} |