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# Copyright (C) 2005, 2006, 2007, 2009, 2010, 2011 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""\
This contains functionality for installing bundles into repositories
"""
from bzrlib import ui
from bzrlib.i18n import gettext
from bzrlib.merge import Merger
from bzrlib.progress import ProgressPhase
from bzrlib.trace import note
from bzrlib.vf_repository import install_revision
def install_bundle(repository, bundle_reader):
custom_install = getattr(bundle_reader, 'install', None)
if custom_install is not None:
return custom_install(repository)
pb = ui.ui_factory.nested_progress_bar()
repository.lock_write()
try:
real_revisions = bundle_reader.real_revisions
for i, revision in enumerate(reversed(real_revisions)):
pb.update(gettext("Install revisions"),i, len(real_revisions))
if repository.has_revision(revision.revision_id):
continue
cset_tree = bundle_reader.revision_tree(repository,
revision.revision_id)
install_revision(repository, revision, cset_tree)
finally:
repository.unlock()
pb.finished()
def merge_bundle(reader, tree, check_clean, merge_type,
reprocess, show_base, change_reporter=None):
"""Merge a revision bundle into the current tree."""
pb = ui.ui_factory.nested_progress_bar()
try:
pp = ProgressPhase("Merge phase", 6, pb)
pp.next_phase()
install_bundle(tree.branch.repository, reader)
merger = Merger(tree.branch, this_tree=tree,
change_reporter=change_reporter)
merger.pp = pp
merger.pp.next_phase()
if check_clean and tree.has_changes():
raise errors.UncommittedChanges(self)
merger.other_rev_id = reader.target
merger.other_tree = merger.revision_tree(reader.target)
merger.other_basis = reader.target
merger.pp.next_phase()
merger.find_base()
if merger.base_rev_id == merger.other_rev_id:
note(gettext("Nothing to do."))
return 0
merger.merge_type = merge_type
merger.show_base = show_base
merger.reprocess = reprocess
conflicts = merger.do_merge()
merger.set_pending()
finally:
pb.clear()
return conflicts
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