author | Matt Mackall <mpm@selenic.com> |
Wed, 25 Oct 2006 16:24:28 -0500 | |
changeset 3512 | 1295ad66fac8 |
parent 2401 | dbeaa4369121 |
child 3937 | 05c703c281ff |
permissions | -rw-r--r-- |
2364 | 1 |
#!/usr/bin/env python |
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# |
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# 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 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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from mercurial import hg, util |
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import os |
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def _(s): |
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return s |
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class Purge(object): |
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def __init__(self, act=True, abort_on_err=False, eol='\n'): |
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self._repo = None |
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self._ui = None |
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self._hg_root = None |
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self._act = act |
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self._abort_on_err = abort_on_err |
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self._eol = eol |
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def purge(self, ui, repo, dirs=None): |
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self._repo = repo |
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self._ui = ui |
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self._hg_root = self._split_path(repo.root) |
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if not dirs: |
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dirs = [repo.root] |
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for path in dirs: |
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path = os.path.abspath(path) |
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for root, dirs, files in os.walk(path, topdown=False): |
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if '.hg' in self._split_path(root): |
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# Skip files in the .hg directory. |
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# Note that if the repository is in a directory |
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# called .hg this command does not work. |
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continue |
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for name in files: |
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self._remove_file(os.path.join(root, name)) |
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if not os.listdir(root): |
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# Remove this directory if it is empty. |
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self._remove_dir(root) |
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self._repo = None |
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self._ui = None |
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self._hg_root = None |
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def _error(self, msg): |
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if self._abort_on_err: |
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raise util.Abort(msg) |
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else: |
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self._ui.warn(_('warning: %s\n') % msg) |
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def _remove_file(self, name): |
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relative_name = self._relative_name(name) |
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# dirstate.state() requires a path relative to the root |
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# directory. |
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if self._repo.dirstate.state(relative_name) != '?': |
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return |
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self._ui.note(_('Removing file %s\n') % name) |
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if self._act: |
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try: |
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os.remove(name) |
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except OSError, e: |
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self._error(_('%s cannot be removed') % name) |
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else: |
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self._ui.write('%s%s' % (name, self._eol)) |
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def _remove_dir(self, name): |
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self._ui.note(_('Removing directory %s\n') % name) |
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if self._act: |
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try: |
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os.rmdir(name) |
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except OSError, e: |
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self._error(_('%s cannot be removed') % name) |
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else: |
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self._ui.write('%s%s' % (name, self._eol)) |
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def _relative_name(self, path): |
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''' |
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Returns "path" but relative to the root directory of the |
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repository and with '\\' replaced with '/'. |
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This is needed because this is the format required by |
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self._repo.dirstate.state(). |
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''' |
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splitted_path = self._split_path(path)[len(self._hg_root):] |
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# Even on Windows self._repo.dirstate.state() wants '/'. |
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return self._join_path(splitted_path).replace('\\', '/') |
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def _split_path(self, path): |
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''' |
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Returns a list of the single files/directories in "path". |
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For instance: |
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'/home/user/test' -> ['/', 'home', 'user', 'test'] |
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'C:\\Mercurial' -> ['C:\\', 'Mercurial'] |
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''' |
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ret = [] |
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while True: |
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head, tail = os.path.split(path) |
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if tail: |
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ret.append(tail) |
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if head == path: |
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ret.append(head) |
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break |
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path = head |
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ret.reverse() |
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return ret |
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def _join_path(self, splitted_path): |
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''' |
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Joins a list returned by _split_path(). |
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''' |
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ret = '' |
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for part in splitted_path: |
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if ret: |
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ret = os.path.join(ret, part) |
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else: |
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ret = part |
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return ret |
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def purge(ui, repo, *dirs, **opts): |
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'''removes files not tracked by mercurial |
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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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p = Purge(act, abort_on_err, eol) |
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p.purge(ui, repo, dirs) |
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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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('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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} |