1
# Copyright (C) 2006 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17
"""Server-side bzrdir related request implmentations."""
20
from bzrlib import errors
21
from bzrlib.bzrdir import BzrDir, BzrDirFormat
22
from bzrlib.smart.request import (
23
FailedSmartServerResponse,
25
SuccessfulSmartServerResponse,
29
class SmartServerRequestOpenBzrDir(SmartServerRequest):
32
from bzrlib.bzrdir import BzrDirFormat
33
t = self._backing_transport.clone(path)
34
default_format = BzrDirFormat.get_default_format()
35
real_bzrdir = default_format.open(t, _found=True)
37
real_bzrdir._format.probe_transport(t)
38
except (errors.NotBranchError, errors.UnknownFormatError):
42
return SuccessfulSmartServerResponse((answer,))
45
class SmartServerRequestFindRepository(SmartServerRequest):
48
"""try to find a repository from path upwards
50
This operates precisely like 'bzrdir.find_repository'.
52
If a bzrdir is not present, an exception is propogated
53
rather than 'no branch' because these are different conditions.
55
:return: norepository or ok, relpath.
57
bzrdir = BzrDir.open_from_transport(self._backing_transport.clone(path))
59
repository = bzrdir.find_repository()
60
# the relpath of the bzrdir in the found repository gives us the
61
# path segments to pop-out.
62
relpath = repository.bzrdir.root_transport.relpath(bzrdir.root_transport.base)
64
segments = ['..'] * len(relpath.split('/'))
67
if repository.supports_rich_root():
71
if repository._format.supports_tree_reference:
75
return SuccessfulSmartServerResponse(('ok', '/'.join(segments), rich_root, tree_ref))
76
except errors.NoRepositoryPresent:
77
return FailedSmartServerResponse(('norepository', ))
80
class SmartServerRequestInitializeBzrDir(SmartServerRequest):
83
"""Initialize a bzrdir at path.
85
The default format of the server is used.
86
:return: SmartServerResponse(('ok', ))
88
target_transport = self._backing_transport.clone(path)
89
BzrDirFormat.get_default_format().initialize_on_transport(target_transport)
90
return SuccessfulSmartServerResponse(('ok', ))
93
class SmartServerRequestOpenBranch(SmartServerRequest):
96
"""try to open a branch at path and return ok/nobranch.
98
If a bzrdir is not present, an exception is propogated
99
rather than 'no branch' because these are different conditions.
101
bzrdir = BzrDir.open_from_transport(self._backing_transport.clone(path))
103
reference_url = bzrdir.get_branch_reference()
104
if reference_url is None:
105
return SuccessfulSmartServerResponse(('ok', ''))
107
return SuccessfulSmartServerResponse(('ok', reference_url))
108
except errors.NotBranchError:
109
return FailedSmartServerResponse(('nobranch', ))