/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to remote.py

  • Committer: Robert Collins
  • Date: 2010-05-06 07:48:22 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506074822-0bsgf2j4h8jx0xkk
Added ``bzrlib.tests.matchers`` as a place to put matchers, along with
our first in-tree matcher. See the module docstring for details.
(Robert Collins)

Show diffs side-by-side

added added

removed removed

Lines of Context:
remote.py
1
 
# Copyright (C) 2007-2008 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
 
import bzrlib
18
 
from bzrlib import urlutils
19
 
from bzrlib.bzrdir import BzrDir, BzrDirFormat
20
 
from bzrlib.errors import NoSuchFile, NotLocalUrl
21
 
from bzrlib.lockable_files import TransportLock
22
 
from bzrlib.repository import Repository
23
 
from bzrlib.trace import info
24
 
from bzrlib.transport import Transport
25
 
 
26
 
from bzrlib.plugins.git import lazy_check_versions
27
 
lazy_check_versions()
28
 
 
29
 
from bzrlib.plugins.git.branch import GitBranch
30
 
from bzrlib.plugins.git.errors import NoSuchRef
31
 
from bzrlib.plugins.git.dir import GitDir
32
 
from bzrlib.plugins.git.foreign import ForeignBranch
33
 
from bzrlib.plugins.git.repository import GitFormat, GitRepository
34
 
 
35
 
import os
36
 
import tempfile
37
 
import urllib
38
 
import urlparse
39
 
 
40
 
import dulwich as git
41
 
from dulwich.pack import PackData, Pack, PackIndex
42
 
 
43
 
# Don't run any tests on GitSmartTransport as it is not intended to be 
44
 
# a full implementation of Transport
45
 
def get_test_permutations():
46
 
    return []
47
 
 
48
 
 
49
 
class GitSmartTransport(Transport):
50
 
 
51
 
    def __init__(self, url, _client=None):
52
 
        Transport.__init__(self, url)
53
 
        (scheme, _, loc, _, _) = urlparse.urlsplit(url)
54
 
        assert scheme == "git"
55
 
        hostport, self._path = urllib.splithost(loc)
56
 
        (self._host, self._port) = urllib.splitnport(hostport, git.protocol.TCP_GIT_PORT)
57
 
        self._client = _client
58
 
 
59
 
    def _get_client(self):
60
 
        if self._client is not None:
61
 
            ret = self._client
62
 
            self._client = None
63
 
            return ret
64
 
        return git.client.TCPGitClient(self._host, self._port, 
65
 
            capabilities=["multi_ack", "side-band-64k", "ofs-delta", "side-band"])
66
 
 
67
 
    def fetch_pack(self, determine_wants, graph_walker, pack_data, progress=None):
68
 
        if progress is None:
69
 
            def progress(text):
70
 
                info("git: %s" % text)
71
 
        self._get_client().fetch_pack(self._path, determine_wants, 
72
 
            graph_walker, pack_data, progress)
73
 
 
74
 
    def get(self, path):
75
 
        raise NoSuchFile(path)
76
 
 
77
 
    def abspath(self, relpath):
78
 
        return urlutils.join(self.base, relpath)
79
 
 
80
 
    def clone(self, offset=None):
81
 
        """See Transport.clone()."""
82
 
        if offset is None:
83
 
            newurl = self.base
84
 
        else:
85
 
            newurl = urlutils.join(self.base, offset)
86
 
 
87
 
        return GitSmartTransport(newurl, self._client)
88
 
 
89
 
 
90
 
class RemoteGitDir(GitDir):
91
 
 
92
 
    def __init__(self, transport, lockfiles, format):
93
 
        self._format = format
94
 
        self.root_transport = transport
95
 
        self.transport = transport
96
 
        self._lockfiles = lockfiles
97
 
 
98
 
    def open_repository(self):
99
 
        return RemoteGitRepository(self, self._lockfiles)
100
 
 
101
 
    def open_branch(self, _unsupported=False):
102
 
        repo = self.open_repository()
103
 
        # TODO: Support for multiple branches in one bzrdir in bzrlib!
104
 
        return RemoteGitBranch(self, repo, "HEAD", self._lockfiles)
105
 
 
106
 
    def open_workingtree(self):
107
 
        raise NotLocalUrl(self.transport.base)
108
 
 
109
 
 
110
 
class EmptyObjectStoreIterator(dict):
111
 
 
112
 
    def iterobjects(self):
113
 
        return []
114
 
 
115
 
 
116
 
class TemporaryPackIterator(Pack):
117
 
 
118
 
    def __init__(self, path, resolve_ext_ref):
119
 
        self.resolve_ext_ref = resolve_ext_ref
120
 
        super(TemporaryPackIterator, self).__init__(path)
121
 
 
122
 
    @property
123
 
    def idx(self):
124
 
        if self._idx is None:
125
 
            self._data.create_index_v2(self._idx_path, self.resolve_ext_ref)
126
 
            self._idx = PackIndex(self._idx_path)
127
 
        return self._idx
128
 
 
129
 
    def __del__(self):
130
 
        os.remove(self._data_path)
131
 
        os.remove(self._idx_path)
132
 
 
133
 
 
134
 
class RemoteGitRepository(GitRepository):
135
 
 
136
 
    def __init__(self, gitdir, lockfiles):
137
 
        GitRepository.__init__(self, gitdir, lockfiles)
138
 
 
139
 
    def fetch_pack(self, determine_wants, graph_walker, pack_data, 
140
 
                   progress=None):
141
 
        self._transport.fetch_pack(determine_wants, graph_walker, pack_data, 
142
 
            progress)
143
 
 
144
 
    def fetch_objects(self, determine_wants, graph_walker, resolve_ext_ref, progress=None):
145
 
        fd, path = tempfile.mkstemp(suffix=".pack")
146
 
        self.fetch_pack(determine_wants, graph_walker, lambda x: os.write(fd, x), progress)
147
 
        os.close(fd)
148
 
        if os.path.getsize(path) == 0:
149
 
            return EmptyObjectStoreIterator()
150
 
        return TemporaryPackIterator(path[:-len(".pack")], resolve_ext_ref)
151
 
 
152
 
 
153
 
class RemoteGitBranch(GitBranch):
154
 
 
155
 
    def __init__(self, bzrdir, repository, name, lockfiles):
156
 
        def determine_wants(heads):
157
 
            if not name in heads:
158
 
                raise NoSuchRef(name)
159
 
            self._ref = heads[name]
160
 
        bzrdir.root_transport.fetch_pack(determine_wants, None, lambda x: None, 
161
 
                             lambda x: mutter("git: %s" % x))
162
 
        super(RemoteGitBranch, self).__init__(bzrdir, repository, name, self._ref, lockfiles)
163
 
 
164
 
    def last_revision(self):
165
 
        return self.mapping.revision_id_foreign_to_bzr(self._ref)
166
 
 
167
 
    def _synchronize_history(self, destination, revision_id):
168
 
        """See Branch._synchronize_history()."""
169
 
        destination.generate_revision_history(self.last_revision())
170