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):
72
84
"""An adapter to the '.git' dir used by git."""
74
86
def is_supported(self):
89
def can_convert_format(self):
77
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def cloning_metadir(self, stacked=False):
79
return bzrlib.bzrdir.format_registry.make_bzrdir("pack-0.92")
81
return bzrlib.bzrdir.format_registry.make_bzrdir("1.6")
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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)
84
109
class LocalGitDir(GitDir):
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110
"""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
123
def control_transport(self):
124
return self.transport
89
126
def __init__(self, transport, lockfiles, gitrepo, format):
90
127
self._format = format
96
133
self.transport = transport.clone('.git')
97
134
self._lockfiles = lockfiles
99
def get_branch_transport(self, branch_format):
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self._mode_check_done = None
137
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):
148
return filename == '.git' or filename.startswith('.git/')
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def get_branch_transport(self, branch_format, name=None):
100
151
if branch_format is None:
101
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return self.transport
102
if isinstance(branch_format, LocalGitBzrDirFormat):
103
return self.transport
104
raise errors.bzr_errors.IncompatibleFormat(branch_format, self._format)
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get_repository_transport = get_branch_transport
107
get_workingtree_transport = get_branch_transport
109
def open_branch(self, ignored=None):
153
if isinstance(branch_format, LocalGitControlDirFormat):
154
return self.transport
155
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):
161
return self.transport
162
raise bzr_errors.IncompatibleFormat(format, self._format)
164
def get_workingtree_transport(self, format):
166
return self.transport
167
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):
110
172
"""'create' a branch for this dir."""
111
173
repo = self.open_repository()
112
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))
114
201
def open_repository(self, shared=False):
115
202
"""'open' a repository for this dir."""
116
203
return self._gitrepository_class(self, self._lockfiles)
118
205
def open_workingtree(self, recommend_upgrade=True):
120
loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
121
raise errors.bzr_errors.NoWorkingTree(loc)
123
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)
126
224
def create_repository(self, shared=False):
127
225
return self.open_repository()
130
class GitBzrDirFormat(bzrdir.BzrDirFormat):
131
_lock_class = TransportLock
133
def is_supported(self):
137
class LocalGitBzrDirFormat(GitBzrDirFormat):
138
"""The .git directory control format."""
140
_gitdir_class = LocalGitDir
143
def _known_formats(self):
144
return set([LocalGitBzrDirFormat()])
146
def open(self, transport, _found=None):
147
"""Open this directory.
150
from bzrlib.plugins.git import git
151
# we dont grok readonly - git isn't integrated with transport.
153
if url.startswith('readonly+'):
154
url = url[len('readonly+'):]
157
gitrepo = git.repo.Repo(transport.local_abspath("."))
158
except errors.bzr_errors.NotLocalUrl:
159
raise errors.bzr_errors.NotBranchError(path=transport.base)
160
lockfiles = GitLockableFiles(transport, GitLock())
161
return self._gitdir_class(transport, lockfiles, gitrepo, self)
164
def probe_transport(klass, transport):
165
"""Our format is present if the transport ends in '.not/'."""
166
from bzrlib.plugins.git import git
167
# little ugly, but works
169
# delegate to the main opening code. This pays a double rtt cost at the
170
# moment, so perhaps we want probe_transport to return the opened thing
171
# rather than an openener ? or we could return a curried thing with the
172
# dir to open already instantiated ? Needs more thought.
174
format.open(transport)
176
except git.errors.NotGitRepository, e:
177
raise errors.bzr_errors.NotBranchError(path=transport.base)
178
raise errors.bzr_errors.NotBranchError(path=transport.base)
180
def get_format_description(self):
181
return "Local Git Repository"
183
def get_format_string(self):
184
return "Local Git Repository"
186
def initialize_on_transport(self, transport):
187
from bzrlib.transport.local import LocalTransport
188
from bzrlib.plugins.git import git
190
if not isinstance(transport, LocalTransport):
191
raise NotImplementedError(self.initialize,
192
"Can't create Git Repositories/branches on "
193
"non-local transports")
195
git.repo.Repo.create(transport.local_abspath("."))
196
return self.open(transport)
198
def is_supported(self):
202
class RemoteGitBzrDirFormat(GitBzrDirFormat):
203
"""The .git directory control format."""
206
def _known_formats(self):
207
return set([RemoteGitBzrDirFormat()])
209
def open(self, transport, _found=None):
210
"""Open this directory.
213
from bzrlib.plugins.git.remote import RemoteGitDir, GitSmartTransport
214
if not isinstance(transport, GitSmartTransport):
215
raise errors.bzr_errors.NotBranchError(transport.base)
216
# we dont grok readonly - git isn't integrated with transport.
218
if url.startswith('readonly+'):
219
url = url[len('readonly+'):]
221
lockfiles = GitLockableFiles(transport, GitLock())
222
return RemoteGitDir(transport, lockfiles, self)
225
def probe_transport(klass, transport):
226
"""Our format is present if the transport ends in '.not/'."""
227
# little ugly, but works
229
from bzrlib.plugins.git.remote import GitSmartTransport
230
if not isinstance(transport, GitSmartTransport):
231
raise errors.bzr_errors.NotBranchError(transport.base)
232
# The only way to know a path exists and contains a valid repository
233
# is to do a request against it:
235
transport.fetch_pack(lambda x: [], None, lambda x: None,
236
lambda x: mutter("git: %s" % x))
237
except GitProtocolException, e:
238
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"))
241
raise errors.bzr_errors.NotBranchError(path=transport.base)
243
def get_format_description(self):
244
return "Remote Git Repository"
246
def get_format_string(self):
247
return "Remote Git Repository"
249
def initialize_on_transport(self, transport):
250
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()