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# Copyright (C) 2007 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
"""Reconfigure a bzrdir into a new tree/branch/repository layout"""
from bzrlib import (
errors,
)
class Reconfigure(object):
def __init__(self, bzrdir, tree, branch, unbind):
self.bzrdir = bzrdir
self.tree = tree
self.branch = branch
self.unbind = unbind
@staticmethod
def to_branch(bzrdir):
try:
branch = bzrdir.open_branch()
except errors.NotBranchError:
raise errors.ReconfigurationNotSupported(bzrdir)
unbind = (branch.get_bound_location() is not None)
try:
tree = bzrdir.open_workingtree()
except errors.NoWorkingTree:
raise errors.AlreadyBranch(bzrdir)
return Reconfigure(bzrdir, tree, branch, unbind)
def _check(self):
changes = self.tree.changes_from(self.tree.basis_tree())
if changes.has_changed():
raise errors.UncommittedChanges(self.tree)
def apply(self, force=False):
if not force:
self._check()
self.bzrdir.destroy_workingtree()
if self.unbind:
self.branch.unbind()
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