22
21
"""A GIT branch and repository format implementation for bzr."""
29
from bzrlib import bzrdir, errors as bzr_errors
25
from bzrlib import bzrdir
30
26
from bzrlib.foreign import foreign_vcs_registry
31
from bzrlib.lockable_files import TransportLock
32
27
from bzrlib.transport import register_lazy_transport
33
from bzrlib.commands import plugin_cmds
28
from bzrlib.commands import Command, register_command
29
from bzrlib.option import Option
34
30
from bzrlib.trace import warning
36
32
MINIMUM_DULWICH_VERSION = (0, 1, 0)
37
COMPATIBLE_BZR_VERSIONS = [(1, 11, 0), (1, 12, 0)]
39
if getattr(sys, "frozen", None):
40
# allow import additional libs from ./_lib for bzr.exe only
41
sys.path.append(os.path.normpath(os.path.join(os.path.dirname(__file__), '_lib')))
33
COMPATIBLE_BZR_VERSIONS = [(1, 12, 0)]
43
35
_versions_checked = False
44
36
def lazy_check_versions():
61
55
help='GIT repository.', native=False, experimental=True,
65
from bzrlib.revisionspec import revspec_registry
66
revspec_registry.register_lazy("git:", "bzrlib.plugins.git.revspec",
70
from bzrlib.revisionspec import SPEC_TYPES
71
from bzrlib.plugins.git.revspec import RevisionSpec_git
72
SPEC_TYPES.append(RevisionSpec_git)
74
class GitBzrDirFormat(bzrdir.BzrDirFormat):
75
_lock_class = TransportLock
77
def is_supported(self):
81
class LocalGitBzrDirFormat(GitBzrDirFormat):
82
"""The .git directory control format."""
85
def _known_formats(self):
86
return set([LocalGitBzrDirFormat()])
88
def open(self, transport, _found=None):
89
"""Open this directory.
93
# we dont grok readonly - git isn't integrated with transport.
95
if url.startswith('readonly+'):
96
url = url[len('readonly+'):]
99
gitrepo = git.repo.Repo(transport.local_abspath("."))
100
except bzr_errors.NotLocalUrl:
101
raise bzr_errors.NotBranchError(path=transport.base)
102
from bzrlib.plugins.git.dir import LocalGitDir, GitLockableFiles, GitLock
103
lockfiles = GitLockableFiles(transport, GitLock())
104
return LocalGitDir(transport, lockfiles, gitrepo, self)
107
def probe_transport(klass, transport):
108
"""Our format is present if the transport ends in '.not/'."""
109
from bzrlib.transport.local import LocalTransport
111
if not isinstance(transport, LocalTransport):
112
raise bzr_errors.NotBranchError(path=transport.base)
114
# This should quickly filter out most things that are not
115
# git repositories, saving us the trouble from loading dulwich.
116
if not transport.has(".git") and not transport.has("objects"):
117
raise bzr_errors.NotBranchError(path=transport.base)
119
import dulwich as git
122
format.open(transport)
124
except git.errors.NotGitRepository, e:
125
raise bzr_errors.NotBranchError(path=transport.base)
126
raise bzr_errors.NotBranchError(path=transport.base)
128
def get_format_description(self):
129
return "Local Git Repository"
131
def get_format_string(self):
132
return "Local Git Repository"
134
def initialize_on_transport(self, transport):
135
from bzrlib.transport.local import LocalTransport
137
if not isinstance(transport, LocalTransport):
138
raise NotImplementedError(self.initialize,
139
"Can't create Git Repositories/branches on "
140
"non-local transports")
142
from dulwich.repo import Repo
143
Repo.create(transport.local_abspath("."))
144
return self.open(transport)
146
def is_supported(self):
150
class RemoteGitBzrDirFormat(GitBzrDirFormat):
151
"""The .git directory control format."""
154
def _known_formats(self):
155
return set([RemoteGitBzrDirFormat()])
157
def open(self, transport, _found=None):
158
"""Open this directory.
161
from bzrlib.plugins.git.remote import RemoteGitDir, GitSmartTransport
162
if not isinstance(transport, GitSmartTransport):
163
raise bzr_errors.NotBranchError(transport.base)
164
# we dont grok readonly - git isn't integrated with transport.
166
if url.startswith('readonly+'):
167
url = url[len('readonly+'):]
169
from bzrlib.plugins.git.dir import GitLockableFiles, GitLock
170
lockfiles = GitLockableFiles(transport, GitLock())
171
return RemoteGitDir(transport, lockfiles, self)
174
def probe_transport(klass, transport):
175
"""Our format is present if the transport ends in '.not/'."""
176
# little ugly, but works
178
from bzrlib.plugins.git.remote import GitSmartTransport
179
if not isinstance(transport, GitSmartTransport):
180
raise bzr_errors.NotBranchError(transport.base)
181
# The only way to know a path exists and contains a valid repository
182
# is to do a request against it:
184
transport.fetch_pack(lambda x: [], None, lambda x: None,
185
lambda x: mutter("git: %s" % x))
186
except errors.git_errors.GitProtocolError:
187
raise bzr_errors.NotBranchError(path=transport.base)
190
raise bzr_errors.NotBranchError(path=transport.base)
192
def get_format_description(self):
193
return "Remote Git Repository"
195
def get_format_string(self):
196
return "Remote Git Repository"
198
def initialize_on_transport(self, transport):
199
raise bzr_errors.UninitializableFormat(self)
202
bzrdir.BzrDirFormat.register_control_format(LocalGitBzrDirFormat)
203
bzrdir.BzrDirFormat.register_control_format(RemoteGitBzrDirFormat)
59
# TODO: This should be lazier
60
from bzrlib.plugins.git.dir import LocalGitBzrDirFormat, RemoteGitBzrDirFormat
61
bzrdir.BzrDirFormat.register_control_format_lazy("bzrlib.plugins.git.dir", "LocalGitBzrDirFormat")
62
bzrdir.BzrDirFormat.register_control_format_lazy("bzrlib.plugins.git.dir", "RemoteGitBzrDirFormat")
205
64
register_lazy_transport("git://", 'bzrlib.plugins.git.remote',
206
65
'GitSmartTransport')
211
70
"Stupid content tracker")
213
plugin_cmds.register_lazy("cmd_git_serve", [], "bzrlib.plugins.git.commands")
214
plugin_cmds.register_lazy("cmd_git_import", [], "bzrlib.plugins.git.commands")
73
class cmd_git_serve(Command):
74
"""Provide access to a Bazaar branch using the git protocol.
76
This command is experimental and doesn't do much yet.
80
help='serve contents of directory',
84
def run(self, directory=None):
86
from dulwich.server import TCPGitServer
87
from bzrlib.plugins.git.server import BzrBackend
88
from bzrlib.trace import warning
91
warning("server support in bzr-git is experimental.")
94
directory = os.getcwd()
96
backend = BzrBackend(directory)
98
server = TCPGitServer(backend, 'localhost')
99
server.serve_forever()
101
register_command(cmd_git_serve)
104
class cmd_git_import(Command):
105
"""Import all branches from a git repository.
109
takes_args = ["src_location", "dest_location"]
111
def run(self, src_location, dest_location):
112
from bzrlib.bzrdir import BzrDir, format_registry
113
from bzrlib.errors import NoRepositoryPresent, NotBranchError
114
from bzrlib.repository import Repository
115
source_repo = Repository.open(src_location)
116
format = format_registry.make_bzrdir('rich-root-pack')
118
target_bzrdir = BzrDir.open(dest_location)
119
except NotBranchError:
120
target_bzrdir = BzrDir.create(dest_location, format=format)
122
target_repo = target_bzrdir.open_repository()
123
except NoRepositoryPresent:
124
target_repo = target_bzrdir.create_repository(shared=True)
126
target_repo.fetch(source_repo)
127
for name, ref in source_repo._git.heads().iteritems():
128
head_loc = os.path.join(dest_location, name)
130
head_bzrdir = BzrDir.open(head_loc)
131
except NotBranchError:
132
head_bzrdir = BzrDir.create(head_loc, format=format)
134
head_branch = head_bzrdir.open_branch()
135
except NotBranchError:
136
head_branch = head_bzrdir.create_branch()
137
head_branch.generate_revision_history(source_repo.get_mapping().revision_id_foreign_to_bzr(ref))
140
register_command(cmd_git_import)
216
143
def test_suite():
217
144
from bzrlib.plugins.git import tests