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  • Committer: Aaron Bentley
  • Date: 2011-06-27 23:07:10 UTC
  • Revision ID: aaron@aaronbentley.com-20110627230710-orth0tzf1kwknfen
Better handling of compound tar names.

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clean_tree.py
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# Copyright (C) 2005 by Aaron Bentley
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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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# 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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# 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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import errno
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import os
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import shutil
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import sys
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from bzrlib.osutils import has_symlinks, isdir
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from bzrlib.trace import note
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from bzrlib.workingtree import WorkingTree
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def is_detritus(subp):
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    """Return True if the supplied path is detritus, False otherwise"""
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    return subp.endswith('.THIS') or subp.endswith('.BASE') or\
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        subp.endswith('.OTHER') or subp.endswith('~') or subp.endswith('.tmp')
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def iter_deletables(tree, unknown=False, ignored=False, detritus=False):
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    """Iterate through files that may be deleted"""
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    for subp in tree.extras():
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        if detritus and is_detritus(subp):
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            yield tree.abspath(subp), subp
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            continue
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        if tree.is_ignored(subp):
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            if ignored:
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                yield tree.abspath(subp), subp
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        else:
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            if unknown:
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                yield tree.abspath(subp), subp
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def clean_tree(directory, unknown=False, ignored=False, detritus=False, 
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               dry_run=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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        deletables = iter_deletables(tree, unknown=unknown, ignored=ignored,
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                                     detritus=detritus)
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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 delete_items(deletables, dry_run=False):
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    """Delete files in the deletables iterable"""
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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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            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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            else:
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                os.unlink(path)
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    if not has_deleted:
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        note("No files deleted.")