93
112
self.transport = transport.clone('.git')
94
113
self._lockfiles = lockfiles
96
def get_branch_transport(self, branch_format):
114
self._mode_check_done = None
116
def _branch_name_to_ref(self, name):
117
from bzrlib.plugins.git.refs import branch_name_to_ref
118
if name in (None, "HEAD"):
119
from dulwich.repo import SYMREF
120
refcontents = self._git.refs.read_ref("HEAD")
121
if refcontents.startswith(SYMREF):
122
name = refcontents[len(SYMREF):]
125
return branch_name_to_ref(name, "HEAD")
127
def is_control_filename(self, filename):
128
return filename == '.git' or filename.startswith('.git/')
130
def get_branch_transport(self, branch_format, name):
97
131
if branch_format is None:
98
132
return self.transport
99
133
if isinstance(branch_format, LocalGitBzrDirFormat):
100
134
return self.transport
101
raise errors.bzr_errors.IncompatibleFormat(branch_format, self._format)
103
get_repository_transport = get_branch_transport
104
get_workingtree_transport = get_branch_transport
106
def open_branch(self, ignored=None):
135
raise bzr_errors.IncompatibleFormat(branch_format, self._format)
137
def get_repository_transport(self, format):
139
return self.transport
140
if isinstance(format, LocalGitBzrDirFormat):
141
return self.transport
142
raise bzr_errors.IncompatibleFormat(format, self._format)
144
def get_workingtree_transport(self, format):
146
return self.transport
147
if isinstance(format, LocalGitBzrDirFormat):
148
return self.transport
149
raise bzr_errors.IncompatibleFormat(format, self._format)
151
def _open_branch(self, name=None, ignore_fallbacks=None, unsupported=False):
107
152
"""'create' a branch for this dir."""
108
153
repo = self.open_repository()
109
return branch.LocalGitBranch(self, repo, "HEAD", repo._git.head(), self._lockfiles)
154
from bzrlib.plugins.git.branch import LocalGitBranch
155
return LocalGitBranch(self, repo, self._branch_name_to_ref(name),
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def destroy_branch(self, name=None):
159
del self._git.refs[self._branch_name_to_ref(name)]
161
def list_branches(self):
163
for name in self._git.get_refs():
164
if name.startswith("refs/heads/"):
165
ret.append(self.open_branch(name=name))
111
168
def open_repository(self, shared=False):
112
169
"""'open' a repository for this dir."""
113
170
return self._gitrepository_class(self, self._lockfiles)
115
172
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(),
173
if not self._git.bare:
174
from dulwich.errors import NoIndexPresent
175
repo = self.open_repository()
177
index = repo._git.open_index()
178
except NoIndexPresent:
181
from bzrlib.plugins.git.workingtree import GitWorkingTree
182
return GitWorkingTree(self, repo, self.open_branch(), index)
183
loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
184
raise bzr_errors.NoWorkingTree(loc)
123
186
def create_repository(self, shared=False):
124
187
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)
189
def create_branch(self, name=None):
190
refname = self._branch_name_to_ref(name)
191
from dulwich.protocol import ZERO_SHA
192
self._git.refs[refname] = ZERO_SHA
193
return self.open_branch(name)
195
def backup_bzrdir(self):
197
self.root_transport.copy_tree(".git", ".git.backup")
198
return (self.root_transport.abspath(".git"),
199
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)
201
raise bzr_errors.BzrError("Unable to backup bare repositories")
203
def create_workingtree(self, revision_id=None, from_branch=None,
204
accelerator_tree=None, hardlink=False):
206
raise bzr_errors.BzrError("Can't create working tree in a bare repo")
207
from dulwich.index import write_index
208
from dulwich.pack import SHA1Writer
209
f = open(self.transport.local_abspath("index"), 'w+')
215
return self.open_workingtree()