1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
# Copyright (C) 2006-2009 Canonical Ltd
# Authors: Robert Collins <robert.collins@canonical.com>
# Jelmer Vernooij <jelmer@samba.org>
# John Carr <john.carr@unrouted.co.uk>
#
# 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
"""A GIT branch and repository format implementation for bzr."""
import os
import sys
import bzrlib
import bzrlib.api
from bzrlib import bzrdir, errors as bzr_errors
from bzrlib.foreign import foreign_vcs_registry
from bzrlib.lockable_files import TransportLock
from bzrlib.transport import register_lazy_transport
from bzrlib.commands import plugin_cmds
from bzrlib.trace import warning
MINIMUM_DULWICH_VERSION = (0, 1, 1)
COMPATIBLE_BZR_VERSIONS = [(1, 13, 0)]
if getattr(sys, "frozen", None):
# allow import additional libs from ./_lib for bzr.exe only
sys.path.append(os.path.normpath(os.path.join(os.path.dirname(__file__), '_lib')))
_versions_checked = False
def lazy_check_versions():
global _versions_checked
if _versions_checked:
return
_versions_checked = True
try:
from dulwich import __version__ as dulwich_version
except ImportError:
raise ImportError("bzr-git: Please install dulwich, https://launchpad.net/dulwich")
else:
if dulwich_version < MINIMUM_DULWICH_VERSION:
raise ImportError("bzr-git: Dulwich is too old; at least %d.%d.%d is required" % MINIMUM_DULWICH_VERSION)
bzrlib.api.require_any_api(bzrlib, COMPATIBLE_BZR_VERSIONS)
bzrdir.format_registry.register_lazy('git',
"bzrlib.plugins.git.dir", "LocalGitBzrDirFormat",
help='GIT repository.', native=False, experimental=True,
)
try:
from bzrlib.revisionspec import revspec_registry
revspec_registry.register_lazy("git:", "bzrlib.plugins.git.revspec",
"RevisionSpec_git")
except ImportError:
lazy_check_versions()
from bzrlib.revisionspec import SPEC_TYPES
from bzrlib.plugins.git.revspec import RevisionSpec_git
SPEC_TYPES.append(RevisionSpec_git)
class GitBzrDirFormat(bzrdir.BzrDirFormat):
_lock_class = TransportLock
def is_supported(self):
return True
class LocalGitBzrDirFormat(GitBzrDirFormat):
"""The .git directory control format."""
@classmethod
def _known_formats(self):
return set([LocalGitBzrDirFormat()])
def open(self, transport, _found=None):
"""Open this directory.
"""
import dulwich as git
# we dont grok readonly - git isn't integrated with transport.
url = transport.base
if url.startswith('readonly+'):
url = url[len('readonly+'):]
try:
gitrepo = git.repo.Repo(transport.local_abspath("."))
except bzr_errors.NotLocalUrl:
raise bzr_errors.NotBranchError(path=transport.base)
from bzrlib.plugins.git.dir import LocalGitDir, GitLockableFiles, GitLock
lockfiles = GitLockableFiles(transport, GitLock())
return LocalGitDir(transport, lockfiles, gitrepo, self)
@classmethod
def probe_transport(klass, transport):
"""Our format is present if the transport ends in '.not/'."""
from bzrlib.transport.local import LocalTransport
if not isinstance(transport, LocalTransport):
raise bzr_errors.NotBranchError(path=transport.base)
# This should quickly filter out most things that are not
# git repositories, saving us the trouble from loading dulwich.
if not transport.has(".git") and not transport.has("objects"):
raise bzr_errors.NotBranchError(path=transport.base)
import dulwich as git
format = klass()
try:
format.open(transport)
return format
except git.errors.NotGitRepository, e:
raise bzr_errors.NotBranchError(path=transport.base)
raise bzr_errors.NotBranchError(path=transport.base)
def get_format_description(self):
return "Local Git Repository"
def get_format_string(self):
return "Local Git Repository"
def initialize_on_transport(self, transport):
from bzrlib.transport.local import LocalTransport
if not isinstance(transport, LocalTransport):
raise NotImplementedError(self.initialize,
"Can't create Git Repositories/branches on "
"non-local transports")
from dulwich.repo import Repo
Repo.create(transport.local_abspath("."))
return self.open(transport)
def is_supported(self):
return True
class RemoteGitBzrDirFormat(GitBzrDirFormat):
"""The .git directory control format."""
@classmethod
def _known_formats(self):
return set([RemoteGitBzrDirFormat()])
def open(self, transport, _found=None):
"""Open this directory.
"""
from bzrlib.plugins.git.remote import RemoteGitDir, GitSmartTransport
if not isinstance(transport, GitSmartTransport):
raise bzr_errors.NotBranchError(transport.base)
# we dont grok readonly - git isn't integrated with transport.
url = transport.base
if url.startswith('readonly+'):
url = url[len('readonly+'):]
from bzrlib.plugins.git.dir import GitLockableFiles, GitLock
lockfiles = GitLockableFiles(transport, GitLock())
return RemoteGitDir(transport, lockfiles, self)
@classmethod
def probe_transport(klass, transport):
"""Our format is present if the transport ends in '.not/'."""
# little ugly, but works
format = klass()
from bzrlib.plugins.git.remote import GitSmartTransport
if not isinstance(transport, GitSmartTransport):
raise bzr_errors.NotBranchError(transport.base)
# The only way to know a path exists and contains a valid repository
# is to do a request against it:
try:
transport.fetch_pack(lambda x: [], None, lambda x: None,
lambda x: mutter("git: %s" % x))
except errors.git_errors.GitProtocolError:
raise bzr_errors.NotBranchError(path=transport.base)
else:
return format
raise bzr_errors.NotBranchError(path=transport.base)
def get_format_description(self):
return "Remote Git Repository"
def get_format_string(self):
return "Remote Git Repository"
def initialize_on_transport(self, transport):
raise bzr_errors.UninitializableFormat(self)
bzrdir.BzrDirFormat.register_control_format(LocalGitBzrDirFormat)
bzrdir.BzrDirFormat.register_control_format(RemoteGitBzrDirFormat)
register_lazy_transport("git://", 'bzrlib.plugins.git.remote',
'GitSmartTransport')
foreign_vcs_registry.register_lazy("git",
"bzrlib.plugins.git.mapping",
"foreign_git",
"Stupid content tracker")
plugin_cmds.register_lazy("cmd_git_serve", [], "bzrlib.plugins.git.commands")
plugin_cmds.register_lazy("cmd_git_import", [], "bzrlib.plugins.git.commands")
def test_suite():
from bzrlib.plugins.git import tests
return tests.test_suite()
|