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Viewing changes to cbranch.py

  • Committer: Aaron Bentley
  • Date: 2008-03-20 15:36:35 UTC
  • Revision ID: aaron@aaronbentley.com-20080320153635-ywgk5968qpopub9y
cbranch creates parent directories as needed

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cbranch.py
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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 import ui
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from bzrlib.bzrdir import BzrDir
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from bzrlib.branch import Branch
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from bzrlib.config import LocationConfig
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from bzrlib.errors import BzrCommandError
 
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from bzrlib.errors import BzrCommandError, NoSuchFile
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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 import ui
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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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        revision_id = revision[0].in_history(old_branch)[1]
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    else:
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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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    try:
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        pb.update('Creating branch', 0, 2)
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                                   hardlink=hardlink)
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    finally:
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        pb.finished()
 
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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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        try:
 
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            transport.ensure_base()
 
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        except NoSuchFile, e:
 
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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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                raise e
 
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            pending_transports.append(parent)