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Viewing changes to bzrlib/bundle/apply_bundle.py

  • Committer: Martin Pool
  • Date: 2005-06-27 01:39:26 UTC
  • Revision ID: mbp@sourcefrog.net-20050627013926-49413d5928809350
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bzrlib/bundle/apply_bundle.py
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# Copyright (C) 2006 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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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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"""\
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This contains functionality for installing bundles into repositories
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"""
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import bzrlib.ui
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from bzrlib.progress import ProgressPhase
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from bzrlib.merge import Merger
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from bzrlib.repository import install_revision
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from bzrlib.trace import note
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def install_bundle(repository, bundle_reader):
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    custom_install = getattr(bundle_reader, 'install', None)
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    if custom_install is not None:
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        return custom_install(repository)
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    pb = bzrlib.ui.ui_factory.nested_progress_bar()
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    repository.lock_write()
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    try:
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        real_revisions = bundle_reader.real_revisions
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        for i, revision in enumerate(reversed(real_revisions)):
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            pb.update("Install revisions",i, len(real_revisions))
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            if repository.has_revision(revision.revision_id):
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                continue
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            cset_tree = bundle_reader.revision_tree(repository,
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                                                       revision.revision_id)
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            install_revision(repository, revision, cset_tree)
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    finally:
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        repository.unlock()
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        pb.finished()
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def merge_bundle(reader, tree, check_clean, merge_type, 
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                    reprocess, show_base, change_reporter=None):
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    """Merge a revision bundle into the current tree."""
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    pb = bzrlib.ui.ui_factory.nested_progress_bar()
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    try:
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        pp = ProgressPhase("Merge phase", 6, pb)
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        pp.next_phase()
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        install_bundle(tree.branch.repository, reader)
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        merger = Merger(tree.branch, this_tree=tree, pb=pb,
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                        change_reporter=change_reporter)
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        merger.pp = pp
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        merger.pp.next_phase()
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        merger.check_basis(check_clean, require_commits=False)
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        merger.other_rev_id = reader.target
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        merger.other_tree = merger.revision_tree(reader.target)
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        merger.other_basis = reader.target
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        merger.pp.next_phase()
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        merger.find_base()
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        if merger.base_rev_id == merger.other_rev_id:
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            note("Nothing to do.")
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            return 0
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        merger.merge_type = merge_type
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        merger.show_base = show_base
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        merger.reprocess = reprocess
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        conflicts = merger.do_merge()
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        merger.set_pending()
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    finally:
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        pb.clear()
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    return conflicts