hgext/churn.py
author Matt Mackall <mpm@selenic.com>
Sun, 25 Oct 2009 18:43:59 -0500
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parent 9652 2cb0cab10d2e
child 9655 6d7d3f849062
permissions -rw-r--r--
walkchangerevs: yield contexts
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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, incorporated herein by reference.
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'''command to display statistics about repository history'''
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from mercurial.i18n import _
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from mercurial import patch, cmdutil, util, templater
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import sys, os
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import time, datetime
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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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def changedlines(ui, repo, ctx1, ctx2, fns):
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    lines = 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("+++ ") or
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            l.startswith("-") and not l.startswith("--- ")):
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            lines += 1
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    return lines
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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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    count = pct = 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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    get = util.cachefunc(lambda r: repo[r])
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    m = cmdutil.match(repo, pats, opts)
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    for st, ctx, fns in cmdutil.walkchangerevs(ui, repo, m, get, opts):
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        if not st == 'add':
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            continue
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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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            continue
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        key = getkey(ctx)
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        key = amap.get(key, key) # alias remap
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        if opts.get('changesets'):
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            rate[key] = rate.get(key, 0) + 1
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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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                continue
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            ctx1 = parents[0]
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            lines = changedlines(ui, repo, ctx1, ctx, fns)
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            rate[key] = rate.get(key, 0) + lines
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        if opts.get('progress'):
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            count += 1
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            newpct = int(100.0 * count / max(len(repo), 1))
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            if pct < newpct:
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                pct = newpct
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                ui.write("\r" + _("generating stats: %d%%") % pct)
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                sys.stdout.flush()
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    if opts.get('progress'):
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        ui.write("\r")
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        sys.stdout.flush()
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    return rate
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def churn(ui, repo, *pats, **opts):
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    '''histogram of changes to the repository
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    This command will display a histogram representing the number
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    of changed lines or revisions, grouped according to the given
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    template. The default template will group changes by author.
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    The --dateformat option may be used to group the results by
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    date instead.
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    Statistics are based on the number of changed lines, or
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    alternatively the number of matching revisions if the
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    --changesets option is specified.
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    Examples::
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      # display count of changed lines for every committer
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      hg churn -t '{author|email}'
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      # display daily activity graph
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      hg churn -f '%H' -s -c
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      # display activity of developers by month
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      hg churn -f '%Y-%m' -s -c
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      # display count of lines changed in every year
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      hg churn -f '%Y' -s
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Cédric Duval <cedricduval@free.fr>
parents: 8254
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    It is possible to map alternate email addresses to a main address
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Martin Geisler <mg@lazybytes.net>
parents: 9205
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   123
    by providing a file using the following format::
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 8823
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   124
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Martin Geisler <mg@lazybytes.net>
parents: 9056
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   125
      <alias email> <actual email>
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Martin Geisler <mg@lazybytes.net>
parents: 8228
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   126
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Martin Geisler <mg@lazybytes.net>
parents: 9205
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   127
    Such a file may be specified with the --aliases option, otherwise
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Martin Geisler <mg@lazybytes.net>
parents: 9205
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   128
    a .hgchurn file will be looked for in the working directory root.
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Martin Geisler <mg@lazybytes.net>
parents: 8228
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   129
    '''
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Josef "Jeff" Sipek <jeff@josefsipek.net>
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    def pad(s, l):
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Matt Mackall <mpm@selenic.com>
parents: 6750
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   131
        return (s + " " * l)[:l]
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53e843840349 Whitespace/Tab cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3090
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   132
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Josef "Jeff" Sipek <jeff@josefsipek.net>
parents:
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   133
    amap = {}
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Brendan Cully <brendan@kublai.com>
parents: 3043
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   134
    aliases = opts.get('aliases')
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Martin Geisler <mg@lazybytes.net>
parents: 8228
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   135
    if not aliases and os.path.exists(repo.wjoin('.hgchurn')):
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parents: 8228
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        aliases = repo.wjoin('.hgchurn')
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Josef "Jeff" Sipek <jeff@josefsipek.net>
parents:
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   137
    if aliases:
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Matt Mackall <mpm@selenic.com>
parents: 6750
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   138
        for l in open(aliases, "r"):
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Matt Mackall <mpm@selenic.com>
parents: 6750
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   139
            l = l.strip()
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Matt Mackall <mpm@selenic.com>
parents: 6750
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   140
            alias, actual = l.split()
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parents: 6750
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   141
            amap[alias] = actual
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Josef "Jeff" Sipek <jeff@josefsipek.net>
parents:
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   142
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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   143
    rate = countrate(ui, repo, amap, *pats, **opts).items()
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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   144
    if not rate:
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Matt Mackall <mpm@selenic.com>
parents: 5482
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   145
        return
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Josef "Jeff" Sipek <jeff@josefsipek.net>
parents:
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   146
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Alejandro Santos <alejolp@alejolp.com>
parents: 8934
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   147
    sortkey = ((not opts.get('sort')) and (lambda x: -x[1]) or None)
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Alejandro Santos <alejolp@alejolp.com>
parents: 8934
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   148
    rate.sort(key=sortkey)
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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   149
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Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 8934
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   150
    # Be careful not to have a zero maxcount (issue833)
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Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 9389
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   151
    maxcount = float(max(v for k, v in rate)) or 1.0
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Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 9389
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   152
    maxname = max(len(k) for k, v in rate)
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Josef "Jeff" Sipek <jeff@josefsipek.net>
parents:
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   153
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4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7369
diff changeset
   154
    ttywidth = util.termwidth()
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Martin Geisler <mg@lazybytes.net>
parents: 9390
diff changeset
   155
    ui.debug("assuming %i character terminal\n" % ttywidth)
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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   156
    width = ttywidth - maxname - 2 - 6 - 2 - 2
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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   157
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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   158
    for date, count in rate:
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
diff changeset
   159
        print "%s %6d %s" % (pad(date, maxname), count,
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
diff changeset
   160
                             "*" * int(count * width / maxcount))
6223
bab6c8f2bb1a churn: show comitter email addresses unclipped (bug 1023)
Stephen Deasey <sdeasey@gmail.com>
parents: 6212
diff changeset
   161
3040
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Josef "Jeff" Sipek <jeff@josefsipek.net>
parents:
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   162
f74077473b36 Churn extension
Josef "Jeff" Sipek <jeff@josefsipek.net>
parents:
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   163
cmdtable = {
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7065
diff changeset
   164
    "churn":
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7065
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   165
        (churn,
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
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   166
         [('r', 'rev', [], _('count rate for the specified revision or range')),
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3aaca5901ade expand "rev" to "revision" in help texts
Martin Geisler <mg@lazybytes.net>
parents: 7987
diff changeset
   167
          ('d', 'date', '', _('count rate for revisions matching date spec')),
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
diff changeset
   168
          ('t', 'template', '{author|email}', _('template to group changesets')),
9bc46d069a76 churn: generalisation, now it is possible to see statistics grouped by custom template
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
diff changeset
   169
          ('f', 'dateformat', '',
9bc46d069a76 churn: generalisation, now it is possible to see statistics grouped by custom template
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
diff changeset
   170
              _('strftime-compatible format for grouping by date')),
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7065
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   171
          ('c', 'changesets', False, _('count rate by number of changesets')),
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
diff changeset
   172
          ('s', 'sort', False, _('sort by key (default: sort by count)')),
9bc46d069a76 churn: generalisation, now it is possible to see statistics grouped by custom template
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
diff changeset
   173
          ('', 'aliases', '', _('file with email aliases')),
9bc46d069a76 churn: generalisation, now it is possible to see statistics grouped by custom template
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7051
diff changeset
   174
          ('', 'progress', None, _('show progress'))],
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7e6a3bae0e8e churn: corrected help output
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:
diff changeset
   176
}