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  • Committer: Robert Collins
  • Date: 2005-08-25 06:02:26 UTC
  • mto: (974.1.50) (1185.1.10) (1092.3.1)
  • mto: This revision was merged to the branch mainline in revision 1139.
  • Revision ID: robertc@robertcollins.net-20050825060226-115adb0093d707ad
pull the important stuff out of cmd_branch.run to branch.copy_branch

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Lines of Context:
bzrlib/branch.py
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    """Return a new tree-root file id."""
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    return gen_file_id('TREE_ROOT')
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def copy_branch(branch_from, to_location, revision):
 
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    """Copy branch_from into the existing directory to_location.
 
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    If revision is not None, the head of the new branch will be revision.
 
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    """
 
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    from bzrlib.merge import merge
 
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    from bzrlib.branch import Branch
 
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    from shutil import rmtree
 
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    br_to = Branch(to_location, init=True)
 
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    br_to.set_root_id(branch_from.get_root_id())
 
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    if revision is None:
 
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        revno = branch_from.revno()
 
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    else:
 
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        revno, rev_id = branch_from.get_revision_info(revision)
 
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    br_to.update_revisions(branch_from, stop_revision=revno)
 
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    merge((to_location, -1), (to_location, 0), this_dir=to_location,
 
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          check_clean=False, ignore_zero=True)
 
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    from_location = pull_loc(branch_from)
 
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    br_to.controlfile("x-pull", "wb").write(from_location + "\n")
 
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