hgext/children.py
author Boris Feld <boris.feld@octobus.net>
Mon, 05 Nov 2018 17:24:39 +0100
changeset 40537 cbd251d479bb
parent 40293 c303d65d2e34
child 43076 2372284d9457
permissions -rw-r--r--
perf: fix perfrevlogrevisions --reverse Currently, 'endrev' equals `len(revlog)`, a revision that does not exist. When asking for the reverse order, the arguments passed to xrange are `xrange(len(revlog), startrev)` which then crash. We need to offset 'endrev' by one so we don't crash anymore. Also, we offset 'startrev' to ensure we get the same number of revisions with and without the `--reverse` option. Differential Revision: https://phab.mercurial-scm.org/D5228
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# Mercurial extension to provide the 'hg children' command
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#
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# Copyright 2007 by Intevation GmbH <intevation@intevation.de>
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#
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# Author(s):
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# Thomas Arendsen Hein <thomas@intevation.de>
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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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'''command to display child changesets (DEPRECATED)
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This extension is deprecated. You should use :hg:`log -r
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"children(REV)"` instead.
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'''
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from __future__ import absolute_import
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from mercurial.i18n import _
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from mercurial import (
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    cmdutil,
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    logcmdutil,
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    pycompat,
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    registrar,
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    scmutil,
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)
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templateopts = cmdutil.templateopts
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cmdtable = {}
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command = registrar.command(cmdtable)
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# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
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# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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# be specifying the version(s) of Mercurial they are tested with, or
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# leave the attribute unspecified.
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testedwith = 'ships-with-hg-core'
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@command('children',
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    [('r', 'rev', '.',
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     _('show children of the specified revision'), _('REV')),
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    ] + templateopts,
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    _('hg children [-r REV] [FILE]'),
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    helpcategory=command.CATEGORY_CHANGE_NAVIGATION,
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    inferrepo=True)
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def children(ui, repo, file_=None, **opts):
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    """show the children of the given or working directory revision
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    Print the children of the working directory's revisions. If a
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    revision is given via -r/--rev, the children of that revision will
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    be printed. If a file argument is given, revision in which the
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    file was last changed (after the working directory revision or the
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    argument to --rev if given) is printed.
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    Please use :hg:`log` instead::
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        hg children => hg log -r "children(.)"
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        hg children -r REV => hg log -r "children(REV)"
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    See :hg:`help log` and :hg:`help revsets.children`.
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    """
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    opts = pycompat.byteskwargs(opts)
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    rev = opts.get('rev')
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    ctx = scmutil.revsingle(repo, rev)
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    if file_:
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        fctx = repo.filectx(file_, changeid=ctx.rev())
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        childctxs = [fcctx.changectx() for fcctx in fctx.children()]
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    else:
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        childctxs = ctx.children()
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    displayer = logcmdutil.changesetdisplayer(ui, repo, opts)
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    for cctx in childctxs:
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        displayer.show(cctx)
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    displayer.close()