← Back to branch summary

~abentley/bzrtools/bzrtools.dev

« back to all changes in this revision

Viewing changes to cbranch.py

  • Committer: Aaron Bentley
  • Date: 2008-05-23 03:42:30 UTC
  • Revision ID: aaron@aaronbentley.com-20080523034230-q1maqg4twapv0r58
Fix deprecations

Show diffs side-by-side

added added

removed removed

Lines of Context:
cbranch.py
1
 
# Copyright (C) 2006 Aaron Bentley
2
 
# <aaron.bentley@utoronto.ca>
 
1
# Copyright (C) 2006, 2008 Aaron Bentley
 
2
# <aaron@aaronbentley.com>
3
3
#
4
4
#    This program is free software; you can redistribute it and/or modify
5
5
#    it under the terms of the GNU General Public License as published by
15
15
#    along with this program; if not, write to the Free Software
16
16
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17
17
 
18
 
from bzrlib.builtins import cmd_branch, cmd_checkout
 
18
from bzrlib import ui
 
19
from bzrlib.bzrdir import BzrDir
 
20
from bzrlib.branch import Branch
19
21
from bzrlib.config import LocationConfig
20
 
from bzrlib.errors import BzrCommandError
21
 
from bzrlib.osutils import pathjoin, basename, abspath, getcwd
 
22
from bzrlib.errors import BzrCommandError, NoSuchFile
 
23
from bzrlib.osutils import pathjoin, basename, abspath
 
24
from bzrlib.transport import get_transport
 
25
from bzrlib.workingtree import WorkingTree
 
26
from bzrlib.urlutils import derive_to_location
22
27
 
23
 
def cbranch(from_location, to_location=None, revision=None, lightweight=False):
24
 
    from_location = from_location.rstrip('/')
 
28
def cbranch(from_location, to_location=None, revision=None,
 
29
            lightweight=False, files_from=None, hardlink=False):
25
30
    if to_location is None:
26
 
        to_location = pathjoin(getcwd(), basename(from_location))
 
31
        to_location = derive_to_location(from_location)
27
32
    config = LocationConfig(abspath(to_location))
28
 
    b_root = config.get_user_option("cbranch_root")
29
 
    if b_root is None:
30
 
        raise BzrCommandError("Can't find cbranch_root in branches.conf")
31
 
    b_loc = pathjoin(b_root, basename(to_location))
32
 
    cmd_branch().run(from_location, b_loc, revision=revision)
33
 
    cmd_checkout().run(b_loc, to_location, lightweight=lightweight)
 
33
    b_loc = config.get_user_option("cbranch_target")
 
34
    if b_loc is None:
 
35
        b_root = config.get_user_option("cbranch_root")
 
36
        if b_root is None:
 
37
            raise BzrCommandError("Can't find cbranch_target in"
 
38
                                  " locations.conf")
 
39
        b_loc = pathjoin(b_root, basename(to_location))
 
40
    accelerator_tree, old_branch = BzrDir.open_tree_or_branch(from_location)
 
41
    if files_from is not None:
 
42
        accelerator_tree = WorkingTree.open(files_from)
 
43
    if revision is None or len(revision) == 0:
 
44
        revision_id = old_branch.last_revision()
 
45
    elif len(revision) == 1:
 
46
        revision_id = revision[0].in_history(old_branch)[1]
 
47
    else:
 
48
        raise BzrCommandError('At most one revision may be supplied.')
 
49
    b_transport = get_transport(b_loc)
 
50
    ensure_base_recursive(b_transport.clone('..'))
 
51
    pb = ui.ui_factory.nested_progress_bar()
 
52
    try:
 
53
        pb.update('Creating branch', 0, 2)
 
54
        new_branch = old_branch.bzrdir.sprout(b_loc, revision_id,
 
55
            accelerator_tree=accelerator_tree).open_branch()
 
56
        pb.update('Creating checkout', 1, 2)
 
57
        new_branch.create_checkout(to_location, lightweight=lightweight,
 
58
                                   accelerator_tree=accelerator_tree,
 
59
                                   hardlink=hardlink)
 
60
    finally:
 
61
        pb.finished()
 
62
 
 
63
 
 
64
def ensure_base_recursive(transport):
 
65
    """Ensure that the transport base and any its parents exist"""
 
66
    pending_transports = [transport]
 
67
    while len(pending_transports) > 0:
 
68
        transport = pending_transports.pop()
 
69
        try:
 
70
            transport.ensure_base()
 
71
        except NoSuchFile, e:
 
72
            pending_transports.append(transport)
 
73
            parent = transport.clone('..')
 
74
            if parent.base == transport.base:
 
75
                raise e
 
76
            pending_transports.append(parent)