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  • Committer: Jelmer Vernooij
  • Date: 2020-04-05 19:11:34 UTC
  • mto: (7490.7.16 work)
  • mto: This revision was merged to the branch mainline in revision 7501.
  • Revision ID: jelmer@jelmer.uk-20200405191134-0aebh8ikiwygxma5
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breezy/clean_tree.py
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# Copyright (C) 2005 Canonical Ltd
 
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# Copyright (C) 2009, 2010 Canonical Ltd
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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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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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import errno
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import os
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import shutil
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from bzrlib.osutils import isdir
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from bzrlib.trace import note
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from bzrlib.workingtree import WorkingTree
 
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from . import (
 
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    controldir,
 
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    errors,
 
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    ui,
 
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    )
 
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from .osutils import isdir
 
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from .trace import note
 
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from .workingtree import WorkingTree
 
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from .i18n import gettext
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def is_detritus(subp):
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               dry_run=False, no_prompt=False):
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    """Remove files in the specified classes from the tree"""
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    tree = WorkingTree.open_containing(directory)[0]
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    tree.lock_read()
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    try:
 
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    with tree.lock_read():
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        deletables = list(iter_deletables(tree, unknown=unknown,
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            ignored=ignored, detritus=detritus))
 
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                                          ignored=ignored, detritus=detritus))
 
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        deletables = _filter_out_nested_controldirs(deletables)
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        if len(deletables) == 0:
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            note('Nothing to delete.')
 
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            note(gettext('Nothing to delete.'))
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            return 0
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        if not no_prompt:
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            for path, subp in deletables:
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                print subp
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            val = raw_input('Are you sure you wish to delete these [y/N]?')
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            if val.lower() not in ('y', 'yes'):
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                print 'Canceled'
 
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                ui.ui_factory.note(subp)
 
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            prompt = gettext('Are you sure you wish to delete these')
 
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            if not ui.ui_factory.get_boolean(prompt):
 
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                ui.ui_factory.note(gettext('Canceled'))
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                return 0
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        delete_items(deletables, dry_run=dry_run)
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    finally:
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        tree.unlock()
 
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def _filter_out_nested_controldirs(deletables):
 
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    result = []
 
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    for path, subp in deletables:
 
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        # bzr won't recurse into unknowns/ignored directories by default
 
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        # so we don't pay a penalty for checking subdirs of path for nested
 
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        # control dir.
 
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        # That said we won't detect the branch in the subdir of non-branch
 
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        # directory and therefore delete it. (worth to FIXME?)
 
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        if isdir(path):
 
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            try:
 
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                controldir.ControlDir.open(path)
 
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            except errors.NotBranchError:
 
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                result.append((path, subp))
 
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            else:
 
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                # TODO may be we need to notify user about skipped directories?
 
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                pass
 
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        else:
 
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            result.append((path, subp))
 
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    return result
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def delete_items(deletables, dry_run=False):
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    """Delete files in the deletables iterable"""
 
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    def onerror(function, path, excinfo):
 
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        """Show warning for errors seen by rmtree.
 
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        """
 
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        # Handle only permission error while removing files.
 
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        # Other errors are re-raised.
 
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        if function is not os.remove or excinfo[1].errno != errno.EACCES:
 
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            raise
 
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        ui.ui_factory.show_warning(gettext('unable to remove %s') % path)
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    has_deleted = False
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    for path, subp in deletables:
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        if not has_deleted:
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            note("deleting paths:")
 
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            note(gettext("deleting paths:"))
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            has_deleted = True
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        note('  ' + subp)
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        if not dry_run:
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            if isdir(path):
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                shutil.rmtree(path)
 
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                shutil.rmtree(path, onerror=onerror)
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            else:
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                os.unlink(path)
 
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                try:
 
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                    os.unlink(path)
 
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                    note('  ' + subp)
 
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                except OSError as e:
 
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                    # We handle only permission error here
 
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                    if e.errno != errno.EACCES:
 
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                        raise e
 
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                    ui.ui_factory.show_warning(gettext(
 
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                        'unable to remove "{0}": {1}.').format(
 
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                        path, e.strerror))
 
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        else:
 
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            note('  ' + subp)
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    if not has_deleted:
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        note("No files deleted.")
 
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        note(gettext("No files deleted."))