65
73
self._transaction = None
66
74
self._lock_mode = None
68
75
self._transport = transport
71
class GitDir(bzrdir.BzrDir):
76
if LockWarner is None:
80
self._lock_warner = LockWarner(repr(self))
83
class GitDir(ControlDir):
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84
"""An adapter to the '.git' dir used by git."""
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86
def is_supported(self):
89
def can_convert_format(self):
77
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def cloning_metadir(self, stacked=False):
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return bzrlib.bzrdir.format_registry.make_bzrdir("1.9-rich-root")
93
return format_registry.make_bzrdir("default")
95
def _branch_name_to_ref(self, name):
96
raise NotImplementedError(self._branch_name_to_ref)
98
if bzrlib_version >= (2, 2):
99
def open_branch(self, name=None, unsupported=False,
100
ignore_fallbacks=None):
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return self._open_branch(name=name,
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ignore_fallbacks=ignore_fallbacks, unsupported=unsupported)
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def open_branch(self, ignore_fallbacks=None, unsupported=False):
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return self._open_branch(name=None,
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ignore_fallbacks=ignore_fallbacks, unsupported=unsupported)
81
109
class LocalGitDir(GitDir):
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"""An adapter to the '.git' dir used by git."""
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_gitrepository_class = repository.LocalGitRepository
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def _get_gitrepository_class(self):
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from bzrlib.plugins.git.repository import LocalGitRepository
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return LocalGitRepository
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_gitrepository_class = property(_get_gitrepository_class)
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def user_transport(self):
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return self.root_transport
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def control_transport(self):
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return self.transport
86
126
def __init__(self, transport, lockfiles, gitrepo, format):
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127
self._format = format
93
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self.transport = transport.clone('.git')
94
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self._lockfiles = lockfiles
96
def get_branch_transport(self, branch_format):
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self._mode_check_done = None
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def _branch_name_to_ref(self, name):
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from bzrlib.plugins.git.refs import branch_name_to_ref
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ref = branch_name_to_ref(name, None)
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from dulwich.repo import SYMREF
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refcontents = self._git.refs.read_ref(ref)
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if refcontents.startswith(SYMREF):
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ref = refcontents[len(SYMREF):]
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def is_control_filename(self, filename):
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return filename == '.git' or filename.startswith('.git/')
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def get_branch_transport(self, branch_format, name=None):
97
151
if branch_format is None:
98
152
return self.transport
99
if isinstance(branch_format, LocalGitBzrDirFormat):
100
return self.transport
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raise errors.bzr_errors.IncompatibleFormat(branch_format, self._format)
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get_repository_transport = get_branch_transport
104
get_workingtree_transport = get_branch_transport
106
def open_branch(self, ignored=None):
153
if isinstance(branch_format, LocalGitControlDirFormat):
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return self.transport
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raise bzr_errors.IncompatibleFormat(branch_format, self._format)
157
def get_repository_transport(self, format):
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return self.transport
160
if isinstance(format, LocalGitControlDirFormat):
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return self.transport
162
raise bzr_errors.IncompatibleFormat(format, self._format)
164
def get_workingtree_transport(self, format):
166
return self.transport
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if isinstance(format, LocalGitControlDirFormat):
168
return self.transport
169
raise bzr_errors.IncompatibleFormat(format, self._format)
171
def _open_branch(self, name=None, ignore_fallbacks=None, unsupported=False):
107
172
"""'create' a branch for this dir."""
108
173
repo = self.open_repository()
109
return branch.LocalGitBranch(self, repo, "HEAD", repo._git.head(), self._lockfiles)
174
from bzrlib.plugins.git.branch import LocalGitBranch
175
return LocalGitBranch(self, repo, self._branch_name_to_ref(name),
178
def destroy_branch(self, name=None):
179
refname = self._branch_name_to_ref(name)
180
if not refname in self._git.refs:
181
raise bzr_errors.NotBranchError(self.root_transport.base,
183
del self._git.refs[refname]
185
def destroy_repository(self):
186
raise bzr_errors.UnsupportedOperation(self.destroy_repository, self)
188
def destroy_workingtree(self):
189
raise bzr_errors.UnsupportedOperation(self.destroy_workingtree, self)
191
def needs_format_conversion(self, format=None):
192
return not isinstance(self._format, format.__class__)
194
def list_branches(self):
196
for name in self._git.get_refs():
197
if name.startswith("refs/heads/"):
198
ret.append(self.open_branch(name=name))
111
201
def open_repository(self, shared=False):
112
202
"""'open' a repository for this dir."""
113
203
return self._gitrepository_class(self, self._lockfiles)
115
205
def open_workingtree(self, recommend_upgrade=True):
117
loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
118
raise errors.bzr_errors.NoWorkingTree(loc)
120
return workingtree.GitWorkingTree(self, self.open_repository(),
206
if not self._git.bare:
207
from dulwich.errors import NoIndexPresent
208
repo = self.open_repository()
210
index = repo._git.open_index()
211
except NoIndexPresent:
214
from bzrlib.plugins.git.workingtree import GitWorkingTree
216
branch = self.open_branch()
217
except bzr_errors.NotBranchError:
220
return GitWorkingTree(self, repo, branch, index)
221
loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
222
raise bzr_errors.NoWorkingTree(loc)
123
224
def create_repository(self, shared=False):
124
225
return self.open_repository()
127
class GitBzrDirFormat(bzrdir.BzrDirFormat):
128
_lock_class = TransportLock
130
def is_supported(self):
134
class LocalGitBzrDirFormat(GitBzrDirFormat):
135
"""The .git directory control format."""
137
_gitdir_class = LocalGitDir
140
def _known_formats(self):
141
return set([LocalGitBzrDirFormat()])
143
def open(self, transport, _found=None):
144
"""Open this directory.
147
from bzrlib.plugins.git import git
148
# we dont grok readonly - git isn't integrated with transport.
150
if url.startswith('readonly+'):
151
url = url[len('readonly+'):]
154
gitrepo = git.repo.Repo(transport.local_abspath("."))
155
except errors.bzr_errors.NotLocalUrl:
156
raise errors.bzr_errors.NotBranchError(path=transport.base)
157
lockfiles = GitLockableFiles(transport, GitLock())
158
return self._gitdir_class(transport, lockfiles, gitrepo, self)
161
def probe_transport(klass, transport):
162
"""Our format is present if the transport ends in '.not/'."""
163
from bzrlib.plugins.git import git
164
# little ugly, but works
166
# delegate to the main opening code. This pays a double rtt cost at the
167
# moment, so perhaps we want probe_transport to return the opened thing
168
# rather than an openener ? or we could return a curried thing with the
169
# dir to open already instantiated ? Needs more thought.
171
format.open(transport)
173
except git.errors.NotGitRepository, e:
174
raise errors.bzr_errors.NotBranchError(path=transport.base)
175
raise errors.bzr_errors.NotBranchError(path=transport.base)
177
def get_format_description(self):
178
return "Local Git Repository"
180
def get_format_string(self):
181
return "Local Git Repository"
183
def initialize_on_transport(self, transport):
184
from bzrlib.transport.local import LocalTransport
185
from bzrlib.plugins.git import git
187
if not isinstance(transport, LocalTransport):
188
raise NotImplementedError(self.initialize,
189
"Can't create Git Repositories/branches on "
190
"non-local transports")
192
git.repo.Repo.create(transport.local_abspath("."))
193
return self.open(transport)
195
def is_supported(self):
199
class RemoteGitBzrDirFormat(GitBzrDirFormat):
200
"""The .git directory control format."""
203
def _known_formats(self):
204
return set([RemoteGitBzrDirFormat()])
206
def open(self, transport, _found=None):
207
"""Open this directory.
210
from bzrlib.plugins.git.remote import RemoteGitDir, GitSmartTransport
211
if not isinstance(transport, GitSmartTransport):
212
raise errors.bzr_errors.NotBranchError(transport.base)
213
# we dont grok readonly - git isn't integrated with transport.
215
if url.startswith('readonly+'):
216
url = url[len('readonly+'):]
218
lockfiles = GitLockableFiles(transport, GitLock())
219
return RemoteGitDir(transport, lockfiles, self)
222
def probe_transport(klass, transport):
223
"""Our format is present if the transport ends in '.not/'."""
224
# little ugly, but works
226
from bzrlib.plugins.git.remote import GitSmartTransport
227
if not isinstance(transport, GitSmartTransport):
228
raise errors.bzr_errors.NotBranchError(transport.base)
229
# The only way to know a path exists and contains a valid repository
230
# is to do a request against it:
232
transport.fetch_pack(lambda x: [], None, lambda x: None,
233
lambda x: mutter("git: %s" % x))
234
except errors.git_errors.GitProtocolError:
235
raise errors.bzr_errors.NotBranchError(path=transport.base)
227
def create_branch(self, name=None):
228
refname = self._branch_name_to_ref(name)
229
from dulwich.protocol import ZERO_SHA
230
self._git.refs[refname or "HEAD"] = ZERO_SHA
231
return self.open_branch(name)
233
def backup_bzrdir(self):
235
self.root_transport.copy_tree(".git", ".git.backup")
236
return (self.root_transport.abspath(".git"),
237
self.root_transport.abspath(".git.backup"))
238
raise errors.bzr_errors.NotBranchError(path=transport.base)
240
def get_format_description(self):
241
return "Remote Git Repository"
243
def get_format_string(self):
244
return "Remote Git Repository"
246
def initialize_on_transport(self, transport):
247
raise errors.bzr_errors.UninitializableFormat(self)
239
raise bzr_errors.BzrError("Unable to backup bare repositories")
241
def create_workingtree(self, revision_id=None, from_branch=None,
242
accelerator_tree=None, hardlink=False):
244
raise bzr_errors.BzrError("Can't create working tree in a bare repo")
245
from dulwich.index import write_index
246
from dulwich.pack import SHA1Writer
247
f = open(self.transport.local_abspath("index"), 'w+')
253
return self.open_workingtree()