author | Bryan O'Sullivan <bos@serpentine.com> |
Sun, 27 May 2007 14:58:59 -0700 | |
changeset 4487 | ead2fa544cbf |
parent 4308 | 1043e4b27ab9 |
child 4462 | a73cf208b2a0 |
permissions | -rw-r--r-- |
2364 | 1 |
# Copyright (C) 2006 - Marco Barisione <marco@barisione.org> |
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# |
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# This is a small extension for Mercurial (http://www.selenic.com/mercurial) |
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# that removes files not known to mercurial |
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# |
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# This program was inspired by the "cvspurge" script contained in CVS utilities |
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# (http://www.red-bean.com/cvsutils/). |
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# |
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# To enable the "purge" extension put these lines in your ~/.hgrc: |
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# [extensions] |
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# hgext.purge = |
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# |
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# For help on the usage of "hg purge" use: |
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# hg help purge |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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||
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from mercurial import hg, util |
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from mercurial.i18n import _ |
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import os |
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||
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def dopurge(ui, repo, dirs=None, act=True, abort_on_err=False, eol='\n', |
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force=False): |
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def error(msg): |
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if abort_on_err: |
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raise util.Abort(msg) |
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else: |
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ui.warn(_('warning: %s\n') % msg) |
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def remove(remove_func, name): |
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if act: |
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try: |
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remove_func(os.path.join(repo.root, name)) |
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except OSError, e: |
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error(_('%s cannot be removed') % name) |
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else: |
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ui.write('%s%s' % (name, eol)) |
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directories = [] |
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files = [] |
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missing = [] |
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roots, match, anypats = util.cmdmatcher(repo.root, repo.getcwd(), dirs) |
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for src, f, st in repo.dirstate.statwalk(files=roots, match=match, |
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ignored=True, directories=True): |
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if src == 'd': |
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directories.append(f) |
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elif src == 'm': |
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missing.append(f) |
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elif src == 'f' and f not in repo.dirstate: |
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files.append(f) |
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_check_missing(ui, repo, missing, force) |
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directories.sort() |
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for f in files: |
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if f not in repo.dirstate: |
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ui.note(_('Removing file %s\n') % f) |
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remove(os.remove, f) |
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for f in directories[::-1]: |
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if not os.listdir(repo.wjoin(f)): |
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ui.note(_('Removing directory %s\n') % f) |
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remove(os.rmdir, f) |
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def _check_missing(ui, repo, missing, force=False): |
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"""Abort if there is the chance of having problems with name-mangling fs |
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80 |
|
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In a name mangling filesystem (e.g. a case insensitive one) |
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dirstate.walk() can yield filenames different from the ones |
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stored in the dirstate. This already confuses the status and |
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add commands, but with purge this may cause data loss. |
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85 |
|
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To prevent this, _check_missing will abort if there are missing |
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files. The force option will let the user skip the check if he |
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knows it is safe. |
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Even with the force option this function will check if any of the |
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missing files is still available in the working dir: if so there |
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may be some problem with the underlying filesystem, so it |
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aborts unconditionally.""" |
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94 |
|
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found = [f for f in missing if util.lexists(repo.wjoin(f))] |
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96 |
|
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if found: |
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if not ui.quiet: |
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ui.warn(_("The following tracked files weren't listed by the " |
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"filesystem, but could still be found:\n")) |
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for f in found: |
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ui.warn("%s\n" % f) |
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103 |
if util.checkfolding(repo.path): |
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ui.warn(_("This is probably due to a case-insensitive " |
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"filesystem\n")) |
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106 |
raise util.Abort(_("purging on name mangling filesystems is not " |
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"yet fully supported")) |
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108 |
|
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109 |
if missing and not force: |
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raise util.Abort(_("there are missing files in the working dir and " |
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111 |
"purge still has problems with them due to name " |
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112 |
"mangling filesystems. " |
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"Use --force if you know what you are doing")) |
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114 |
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115 |
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The meaning of the directories on the command line is now explained correctly
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116 |
def purge(ui, repo, *dirs, **opts): |
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117 |
'''removes files not tracked by mercurial |
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118 |
|
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119 |
Delete files not known to mercurial, this is useful to test local and |
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uncommitted changes in the otherwise clean source tree. |
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This means that purge will delete: |
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- Unknown files: files marked with "?" by "hg status" |
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- Ignored files: files usually ignored by Mercurial because they match |
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a pattern in a ".hgignore" file |
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- Empty directories: in fact Mercurial ignores directories unless they |
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contain files under source control managment |
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But it will leave untouched: |
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- Unmodified tracked files |
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- Modified tracked files |
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- New files added to the repository (with "hg add") |
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If directories are given on the command line, only files in these |
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directories are considered. |
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Be careful with purge, you could irreversibly delete some files you |
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forgot to add to the repository. If you only want to print the list of |
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files that this program would delete use the --print option. |
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''' |
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act = not opts['print'] |
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abort_on_err = bool(opts['abort_on_err']) |
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eol = opts['print0'] and '\0' or '\n' |
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if eol == '\0': |
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# --print0 implies --print |
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act = False |
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force = bool(opts['force']) |
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dopurge(ui, repo, dirs, act, abort_on_err, eol, force) |
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cmdtable = { |
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'purge': |
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(purge, |
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[('a', 'abort-on-err', None, _('abort if an error occurs')), |
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('f', 'force', None, _('purge even when missing files are detected')), |
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('p', 'print', None, _('print the file names instead of deleting them')), |
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('0', 'print0', None, _('end filenames with NUL, for use with xargs' |
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' (implies -p)'))], |
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_('hg purge [OPTION]... [DIR]...')) |
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} |