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  • Committer: Martin Pool
  • Date: 2006-08-15 13:19:12 UTC
  • mfrom: (1923 +trunk)
  • mto: This revision was merged to the branch mainline in revision 1925.
  • Revision ID: mbp@sourcefrog.net-20060815131912-7bbc6d387bb32d16
[merge] bzr.dev

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bzrlib/branch.py
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from warnings import warn
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import bzrlib
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from bzrlib import bzrdir, errors, lockdir, osutils, revision, \
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        tree, \
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        ui, \
 
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from bzrlib import (
 
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        bzrdir, 
 
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        errors, 
 
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        lockdir, 
 
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        osutils, 
 
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        revision,
 
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        transport,
 
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        tree,
 
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        ui,
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        urlutils
 
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        )
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from bzrlib.config import TreeConfig
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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import bzrlib.errors as errors
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            mainline_parent_id = revision_id
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        return BranchCheckResult(self)
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    def create_checkout(self, to_location, revision_id=None, 
 
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                        lightweight=False):
 
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        """Create a checkout of a branch.
 
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        :param to_location: The url to produce the checkout at
 
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        :param revision_id: The revision to check out
 
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        :param lightweight: If True, produce a lightweight checkout, otherwise,
 
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        produce a bound branch (heavyweight checkout)
 
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        :return: The tree of the created checkout
 
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        """
 
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        if lightweight:
 
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            t = transport.get_transport(to_location)
 
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            try:
 
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                t.mkdir('.')
 
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            except errors.FileExists:
 
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                pass
 
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            checkout = bzrdir.BzrDirMetaFormat1().initialize_on_transport(t)
 
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            BranchReferenceFormat().initialize(checkout, self)
 
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        else:
 
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            checkout_branch = bzrdir.BzrDir.create_branch_convenience(
 
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                to_location, force_new_tree=False)
 
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            checkout = checkout_branch.bzrdir
 
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            checkout_branch.bind(self)
 
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            if revision_id is not None:
 
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                rh = checkout_branch.revision_history()
 
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                new_rh = rh[:rh.index(revision_id) + 1]
 
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                checkout_branch.set_revision_history(new_rh)
 
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        return checkout.create_workingtree(revision_id)
 
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class BranchFormat(object):
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    """An encapsulation of the initialization and open routines for a format.