/usr/lib/python2.7/dist-packages/bzrlib/plugins/bzrtools/cbranch.py is in bzrtools 2.6.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | # Copyright (C) 2006, 2008 Aaron Bentley
# <aaron@aaronbentley.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from bzrlib import ui
from bzrlib.bzrdir import BzrDir
from bzrlib.config import LocationConfig
from bzrlib.errors import BzrCommandError, NoSuchFile
from bzrlib.osutils import pathjoin, basename, abspath
from bzrlib.transport import get_transport
from bzrlib.workingtree import WorkingTree
from bzrlib.urlutils import derive_to_location
def cbranch(from_location, to_location=None, revision=None,
lightweight=False, files_from=None, hardlink=False):
if to_location is None:
to_location = derive_to_location(from_location)
config = LocationConfig(abspath(to_location))
b_loc = config.get_user_option("cbranch_target")
if b_loc is None:
b_root = config.get_user_option("cbranch_root")
if b_root is None:
raise BzrCommandError("Can't find cbranch_target in"
" locations.conf")
b_loc = pathjoin(b_root, basename(to_location))
accelerator_tree, old_branch = BzrDir.open_tree_or_branch(from_location)
if files_from is not None:
accelerator_tree = WorkingTree.open(files_from)
if revision is None or len(revision) == 0:
revision_id = old_branch.last_revision()
elif len(revision) == 1:
revision_id = revision[0].in_history(old_branch)[1]
else:
raise BzrCommandError('At most one revision may be supplied.')
b_transport = get_transport(b_loc)
ensure_base_recursive(b_transport.clone('..'))
pb = ui.ui_factory.nested_progress_bar()
try:
pb.update('Creating branch', 0, 2)
new_branch = old_branch.bzrdir.sprout(b_loc, revision_id,
accelerator_tree=accelerator_tree).open_branch()
pb.update('Creating checkout', 1, 2)
new_branch.create_checkout(to_location, lightweight=lightweight,
accelerator_tree=accelerator_tree,
hardlink=hardlink)
finally:
pb.finished()
def ensure_base_recursive(transport):
"""Ensure that the transport base and any its parents exist"""
pending_transports = [transport]
while len(pending_transports) > 0:
transport = pending_transports.pop()
try:
transport.ensure_base()
except NoSuchFile, e:
pending_transports.append(transport)
parent = transport.clone('..')
if parent.base == transport.base:
raise e
pending_transports.append(parent)
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