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# Copyright (C) 2006 by Szilveszter Farkas (Phanatic)
# Some parts of the code are:
# Copyright (C) 2005, 2006 by 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import errno
import os
import bzrlib.errors as errors
from errors import (AlreadyBranchError, BranchExistsWithoutWorkingTree,
NonExistingParent, NonExistingRevision, NonExistingSource,
RevisionValueError, TargetAlreadyExists)
def init(location):
from bzrlib.builtins import get_format_type
import bzrlib.bzrdir as bzrdir
format = get_format_type('default')
if not os.path.exists(location):
os.mkdir(location)
try:
existing_bzrdir = bzrdir.BzrDir.open(location)
except errors.NotBranchError:
bzrdir.BzrDir.create_branch_convenience(location, format=format)
else:
if existing_bzrdir.has_branch():
if existing_bzrdir.has_workingtree():
raise AlreadyBranchError(location)
else:
raise BranchExistsWithoutWorkingTree(location)
else:
existing_bzrdir.create_branch()
existing_bzrdir.create_workingtree()
def branch(from_location, to_location, revision=None):
from bzrlib.branch import Branch
from bzrlib.transport import get_transport
if revision is None:
revision = [None]
elif len(revision) > 1:
raise RevisionValueError('bzr branch --revision takes exactly 1 revision value')
try:
br_from = Branch.open(from_location)
except OSError, e:
if e.errno == errno.ENOENT:
raise NonExistingSource(from_location)
else:
raise
br_from.lock_read()
try:
basis_dir = None
if len(revision) == 1 and revision[0] is not None:
revision_id = revision[0].in_history(br_from)[1]
else:
revision_id = br_from.last_revision()
to_location = to_location + '/' + os.path.basename(from_location.rstrip("/\\"))
name = None
to_transport = get_transport(to_location)
try:
to_transport.mkdir('.')
except errors.FileExists:
raise TargetAlreadyExists(to_location)
except errors.NoSuchFile:
raise NonExistingParent(to_location)
try:
dir = br_from.bzrdir.sprout(to_transport.base, revision_id, basis_dir)
branch = dir.open_branch()
except errors.NoSuchRevision:
to_transport.delete_tree('.')
raise NonExistingRevision(from_location, revision[0])
if name:
branch.control_files.put_utf8('branch-name', name)
finally:
br_from.unlock()
return branch.revno()
def checkout():
""" FIXME - will be implemented later """
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