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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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from bzrlib.bzrdir import BzrDir
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from bzrlib.branch import Branch
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from bzrlib.builtins import cmd_branch, cmd_checkout
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from bzrlib.config import LocationConfig
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from bzrlib.errors import BzrCommandError, NoSuchFile
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from bzrlib.errors import BzrCommandError
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from bzrlib.osutils import pathjoin, basename, abspath
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from bzrlib.transport import get_transport
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from bzrlib.workingtree import WorkingTree
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from bzrlib.urlutils import derive_to_location
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def cbranch(from_location, to_location=None, revision=None,
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lightweight=False, files_from=None, hardlink=False):
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if to_location is None:
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to_location = derive_to_location(from_location)
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def cbranch(from_location, to_location, revision=None):
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config = LocationConfig(abspath(to_location))
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b_loc = config.get_user_option("cbranch_target")
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b_root = config.get_user_option("cbranch_root")
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raise BzrCommandError("Can't find cbranch_target in"
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b_loc = pathjoin(b_root, basename(to_location))
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accelerator_tree, old_branch = BzrDir.open_tree_or_branch(from_location)
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if files_from is not None:
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accelerator_tree = WorkingTree.open(files_from)
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if revision is None or len(revision) == 0:
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revision_id = old_branch.last_revision()
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elif len(revision) == 1:
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revision_id = revision[0].in_history(old_branch)[1]
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raise BzrCommandError('At most one revision may be supplied.')
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b_transport = get_transport(b_loc)
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ensure_base_recursive(b_transport.clone('..'))
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pb = ui.ui_factory.nested_progress_bar()
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pb.update('Creating branch', 0, 2)
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new_branch = old_branch.bzrdir.sprout(b_loc, revision_id,
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accelerator_tree=accelerator_tree).open_branch()
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pb.update('Creating checkout', 1, 2)
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new_branch.create_checkout(to_location, lightweight=lightweight,
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accelerator_tree=accelerator_tree,
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def ensure_base_recursive(transport):
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"""Ensure that the transport base and any its parents exist"""
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pending_transports = [transport]
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while len(pending_transports) > 0:
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transport = pending_transports.pop()
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transport.ensure_base()
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pending_transports.append(transport)
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parent = transport.clone('..')
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if parent.base == transport.base:
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pending_transports.append(parent)
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b_root = config.get_user_option("cbranch_root")
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raise BzrCommandError("Can't find cbranch_root in branches.conf")
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b_loc = pathjoin(b_root, basename(to_location))
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cmd_branch().run(from_location, b_loc, revision=revision)
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cmd_checkout().run(b_loc, to_location, lightweight=True)