/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to bzrlib/clean_tree.py

  • Committer: John Arbash Meinel
  • Date: 2010-01-12 22:51:31 UTC
  • mto: This revision was merged to the branch mainline in revision 4955.
  • Revision ID: john@arbash-meinel.com-20100112225131-he8h411p6aeeb947
Delay grabbing an output stream until we actually go to show a diff.

This makes the test suite happy, but it also seems to be reasonable.
If we aren't going to write anything, we don't need to hold an
output stream open.

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/clean_tree.py
 
1
# Copyright (C) 2005 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
 
 
18
import errno
 
19
import os
 
20
import shutil
 
21
import sys
 
22
 
 
23
from bzrlib.osutils import has_symlinks, isdir
 
24
from bzrlib.trace import note
 
25
from bzrlib.workingtree import WorkingTree
 
26
 
 
27
 
 
28
def is_detritus(subp):
 
29
    """Return True if the supplied path is detritus, False otherwise"""
 
30
    return subp.endswith('.THIS') or subp.endswith('.BASE') or\
 
31
        subp.endswith('.OTHER') or subp.endswith('~') or subp.endswith('.tmp')
 
32
 
 
33
 
 
34
def iter_deletables(tree, unknown=False, ignored=False, detritus=False):
 
35
    """Iterate through files that may be deleted"""
 
36
    for subp in tree.extras():
 
37
        if detritus and is_detritus(subp):
 
38
            yield tree.abspath(subp), subp
 
39
            continue
 
40
        if tree.is_ignored(subp):
 
41
            if ignored:
 
42
                yield tree.abspath(subp), subp
 
43
        else:
 
44
            if unknown:
 
45
                yield tree.abspath(subp), subp
 
46
 
 
47
 
 
48
def clean_tree(directory, unknown=False, ignored=False, detritus=False,
 
49
               dry_run=False, no_prompt=False):
 
50
    """Remove files in the specified classes from the tree"""
 
51
    tree = WorkingTree.open_containing(directory)[0]
 
52
    tree.lock_read()
 
53
    try:
 
54
        deletables = list(iter_deletables(tree, unknown=unknown,
 
55
            ignored=ignored, detritus=detritus))
 
56
        if len(deletables) == 0:
 
57
            note('Nothing to delete.')
 
58
            return 0
 
59
        if not no_prompt:
 
60
            for path, subp in deletables:
 
61
                print subp
 
62
            val = raw_input('Are you sure you wish to delete these [y/N]?')
 
63
            if val.lower() not in ('y', 'yes'):
 
64
                print 'Canceled'
 
65
                return 0
 
66
        delete_items(deletables, dry_run=dry_run)
 
67
    finally:
 
68
        tree.unlock()
 
69
 
 
70
 
 
71
def delete_items(deletables, dry_run=False):
 
72
    """Delete files in the deletables iterable"""
 
73
    has_deleted = False
 
74
    for path, subp in deletables:
 
75
        if not has_deleted:
 
76
            note("deleting paths:")
 
77
            has_deleted = True
 
78
        note('  ' + subp)
 
79
        if not dry_run:
 
80
            if isdir(path):
 
81
                shutil.rmtree(path)
 
82
            else:
 
83
                os.unlink(path)
 
84
    if not has_deleted:
 
85
        note("No files deleted.")