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# Copyright (C) 2008-2009 Jelmer Vernooij <jelmer@samba.org>
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Foreign branch utilities."""
from bzrlib import (
errors,
)
from bzrlib.branch import (
Branch,
)
from bzrlib.commands import (
Command,
Option,
)
class ForeignBranch(Branch):
"""Branch that exists in a foreign version control system."""
def __init__(self, mapping):
self.mapping = mapping
super(ForeignBranch, self).__init__()
def dpull(self, source, stop_revision=None):
"""Pull deltas from another branch.
:note: This does not, like pull, retain the revision ids from
the source branch and will, rather than adding bzr-specific
metadata, push only those semantics of the revision that can be
natively represented in this branch.
:param source: Source branch
:param stop_revision: Revision to pull, defaults to last revision.
:return: Revision id map and file id map
"""
raise NotImplementedError(self.dpull)
class FakeControlFiles(object):
"""Dummy implementation of ControlFiles.
This is required as some code relies on controlfiles being
available."""
def get_utf8(self, name):
raise errors.NoSuchFile(name)
def get(self, name):
raise errors.NoSuchFile(name)
def break_lock(self):
pass
class cmd_foreign_mapping_upgrade(Command):
"""Upgrade revisions mapped from a foreign version control system.
This will change the identity of revisions whose parents
were mapped from revisions in the other version control system.
You are recommended to run "bzr check" in the local repository
after running this command.
"""
aliases = ['svn-upgrade']
takes_args = ['from_repository?']
takes_options = ['verbose',
Option("idmap-file", help="Write map with old and new revision ids.", type=str)]
def run(self, from_repository=None, verbose=False, idmap_file=None):
from upgrade import upgrade_branch, upgrade_workingtree
from bzrlib.branch import Branch
from bzrlib.errors import NoWorkingTree, BzrCommandError
from bzrlib.repository import Repository
from bzrlib.trace import info
from bzrlib.workingtree import WorkingTree
try:
wt_to = WorkingTree.open(".")
branch_to = wt_to.branch
except NoWorkingTree:
wt_to = None
branch_to = Branch.open(".")
stored_loc = branch_to.get_parent()
if from_repository is None:
if stored_loc is None:
raise BzrCommandError("No pull location known or"
" specified.")
else:
import bzrlib.urlutils as urlutils
display_url = urlutils.unescape_for_display(stored_loc,
self.outf.encoding)
self.outf.write("Using saved location: %s\n" % display_url)
from_repository = Branch.open(stored_loc).repository
else:
from_repository = Repository.open(from_repository)
vcs = getattr(from_repository, "vcs", None)
if vcs is None:
raise BzrCommandError("Repository at %s is not a foreign repository.a" % from_repository.base)
new_mapping = from_repository.get_mapping()
if wt_to is not None:
renames = upgrade_workingtree(wt_to, from_repository,
new_mapping=new_mapping,
allow_changes=True, verbose=verbose)
else:
renames = upgrade_branch(branch_to, from_repository,
new_mapping=new_mapping,
allow_changes=True, verbose=verbose)
if renames == {}:
info("Nothing to do.")
if idmap_file is not None:
f = open(idmap_file, 'w')
try:
for oldid, newid in renames.iteritems():
f.write("%s\t%s\n" % (oldid, newid))
finally:
f.close()
if wt_to is not None:
wt_to.set_last_revision(branch_to.last_revision())
def test_suite():
from unittest import TestSuite
from bzrlib.tests import TestUtil
loader = TestUtil.TestLoader()
suite = TestSuite()
testmod_names = ['test_versionedfiles', ]
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
return suite
def escape_commit_message(message):
"""Replace xml-incompatible control characters."""
if message is None:
return None
import re
# FIXME: RBC 20060419 this should be done by the revision
# serialiser not by commit. Then we can also add an unescaper
# in the deserializer and start roundtripping revision messages
# precisely. See repository_implementations/test_repository.py
# Python strings can include characters that can't be
# represented in well-formed XML; escape characters that
# aren't listed in the XML specification
# (http://www.w3.org/TR/REC-xml/#NT-Char).
message, _ = re.subn(
u'[^\x09\x0A\x0D\u0020-\uD7FF\uE000-\uFFFD]+',
lambda match: match.group(0).encode('unicode_escape'),
message)
return message
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