← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/smart/bzrdir.py

  • Committer: Robert Collins
  • Date: 2007-04-23 02:29:35 UTC
  • mfrom: (2441 +trunk)
  • mto: This revision was merged to the branch mainline in revision 2442.
  • Revision ID: robertc@robertcollins.net-20070423022935-9hhongamvk6bfdso
Resolve conflicts with bzr.dev.

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/smart/bzrdir.py
 
1
# Copyright (C) 2006 Canonical Ltd
 
2
#
 
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.
 
7
#
 
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.
 
12
#
 
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
 
16
 
 
17
"""Server-side bzrdir related request implmentations."""
 
18
 
 
19
 
 
20
from bzrlib import errors
 
21
from bzrlib.bzrdir import BzrDir, BzrDirFormat
 
22
from bzrlib.smart.request import SmartServerRequest, SmartServerResponse
 
23
 
 
24
 
 
25
class SmartServerRequestOpenBzrDir(SmartServerRequest):
 
26
 
 
27
    def do(self, path):
 
28
        from bzrlib.bzrdir import BzrDirFormat
 
29
        t = self._backing_transport.clone(path)
 
30
        default_format = BzrDirFormat.get_default_format()
 
31
        real_bzrdir = default_format.open(t, _found=True)
 
32
        try:
 
33
            real_bzrdir._format.probe_transport(t)
 
34
        except (errors.NotBranchError, errors.UnknownFormatError):
 
35
            answer = 'no'
 
36
        else:
 
37
            answer = 'yes'
 
38
        return SmartServerResponse((answer,))
 
39
 
 
40
 
 
41
class SmartServerRequestFindRepository(SmartServerRequest):
 
42
 
 
43
    def do(self, path):
 
44
        """try to find a repository from path upwards
 
45
        
 
46
        This operates precisely like 'bzrdir.find_repository'.
 
47
        
 
48
        If a bzrdir is not present, an exception is propogated
 
49
        rather than 'no branch' because these are different conditions.
 
50
 
 
51
        :return: norepository or ok, relpath.
 
52
        """
 
53
        bzrdir = BzrDir.open_from_transport(self._backing_transport.clone(path))
 
54
        try:
 
55
            repository = bzrdir.find_repository()
 
56
            # the relpath of the bzrdir in the found repository gives us the 
 
57
            # path segments to pop-out.
 
58
            relpath = repository.bzrdir.root_transport.relpath(bzrdir.root_transport.base)
 
59
            if len(relpath):
 
60
                segments = ['..'] * len(relpath.split('/'))
 
61
            else:
 
62
                segments = []
 
63
            if repository.supports_rich_root():
 
64
                rich_root = 'yes'
 
65
            else:
 
66
                rich_root = 'no'
 
67
            if repository._format.supports_tree_reference:
 
68
                tree_ref = 'yes'
 
69
            else:
 
70
                tree_ref = 'no'
 
71
            return SmartServerResponse(('ok', '/'.join(segments), rich_root, tree_ref))
 
72
        except errors.NoRepositoryPresent:
 
73
            return SmartServerResponse(('norepository', ))
 
74
 
 
75
 
 
76
class SmartServerRequestInitializeBzrDir(SmartServerRequest):
 
77
 
 
78
    def do(self, path):
 
79
        """Initialize a bzrdir at path.
 
80
 
 
81
        The default format of the server is used.
 
82
        :return: SmartServerResponse(('ok', ))
 
83
        """
 
84
        target_transport = self._backing_transport.clone(path)
 
85
        BzrDirFormat.get_default_format().initialize_on_transport(target_transport)
 
86
        return SmartServerResponse(('ok', ))
 
87
 
 
88
 
 
89
class SmartServerRequestOpenBranch(SmartServerRequest):
 
90
 
 
91
    def do(self, path):
 
92
        """try to open a branch at path and return ok/nobranch.
 
93
        
 
94
        If a bzrdir is not present, an exception is propogated
 
95
        rather than 'no branch' because these are different conditions.
 
96
        """
 
97
        bzrdir = BzrDir.open_from_transport(self._backing_transport.clone(path))
 
98
        try:
 
99
            reference_url = bzrdir.get_branch_reference()
 
100
            if reference_url is None:
 
101
                return SmartServerResponse(('ok', ''))
 
102
            else:
 
103
                return SmartServerResponse(('ok', reference_url))
 
104
        except errors.NotBranchError:
 
105
            return SmartServerResponse(('nobranch', ))