65
74
self._transaction = None
66
75
self._lock_mode = None
68
76
self._transport = transport
71
class GitDir(bzrdir.BzrDir):
72
"""An adapter to the '.git' dir used by git."""
74
_gitrepository_class = repository.GitRepository
77
if LockWarner is None:
81
self._lock_warner = LockWarner(repr(self))
84
class GitDirConfig(object):
86
def get_default_stack_on(self):
89
def set_default_stack_on(self, value):
90
raise bzr_errors.BzrError("Cannot set configuration")
93
class GitDir(ControlDir):
94
"""An adapter to the '.git' dir used by git."""
96
def is_supported(self):
99
def can_convert_format(self):
102
def break_lock(self):
105
def cloning_metadir(self, stacked=False):
106
return format_registry.make_bzrdir("default")
108
def _branch_name_to_ref(self, name):
109
raise NotImplementedError(self._branch_name_to_ref)
111
if bzrlib_version >= (2, 2):
112
def open_branch(self, name=None, unsupported=False,
113
ignore_fallbacks=None):
114
return self._open_branch(name=name,
115
ignore_fallbacks=ignore_fallbacks, unsupported=unsupported)
117
def open_branch(self, ignore_fallbacks=None, unsupported=False):
118
return self._open_branch(name=None,
119
ignore_fallbacks=ignore_fallbacks, unsupported=unsupported)
121
def get_config(self):
122
return GitDirConfig()
125
class LocalGitDir(GitDir):
126
"""An adapter to the '.git' dir used by git."""
128
def _get_gitrepository_class(self):
129
from bzrlib.plugins.git.repository import LocalGitRepository
130
return LocalGitRepository
132
_gitrepository_class = property(_get_gitrepository_class)
135
def user_transport(self):
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return self.root_transport
139
def control_transport(self):
140
return self.transport
76
142
def __init__(self, transport, lockfiles, gitrepo, format):
77
143
self._format = format
78
144
self.root_transport = transport
145
self._mode_check_done = False
79
146
self._git = gitrepo
81
148
self.transport = transport
83
150
self.transport = transport.clone('.git')
84
151
self._lockfiles = lockfiles
86
def get_branch_transport(self, branch_format):
152
self._mode_check_done = None
154
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)
160
if refcontents.startswith(SYMREF):
161
ref = refcontents[len(SYMREF):]
164
def is_control_filename(self, filename):
165
return filename == '.git' or filename.startswith('.git/')
167
def get_branch_transport(self, branch_format, name=None):
87
168
if branch_format is None:
88
169
return self.transport
89
if isinstance(branch_format, GitBzrDirFormat):
91
raise errors.bzr_errors.IncompatibleFormat(branch_format, self._format)
93
get_repository_transport = get_branch_transport
94
get_workingtree_transport = get_branch_transport
96
def is_supported(self):
99
def open_branch(self, ignored=None):
170
if isinstance(branch_format, LocalGitControlDirFormat):
171
return self.transport
172
raise bzr_errors.IncompatibleFormat(branch_format, self._format)
174
def get_repository_transport(self, format):
176
return self.transport
177
if isinstance(format, LocalGitControlDirFormat):
178
return self.transport
179
raise bzr_errors.IncompatibleFormat(format, self._format)
181
def get_workingtree_transport(self, format):
183
return self.transport
184
if isinstance(format, LocalGitControlDirFormat):
185
return self.transport
186
raise bzr_errors.IncompatibleFormat(format, self._format)
188
def _open_branch(self, name=None, ignore_fallbacks=None, unsupported=False):
100
189
"""'create' a branch for this dir."""
101
190
repo = self.open_repository()
102
if repo._git.heads == []:
105
head = repo._git.head()
106
return branch.GitBranch(self, repo, head,
107
self.root_transport.base, self._lockfiles)
191
from bzrlib.plugins.git.branch import LocalGitBranch
192
return LocalGitBranch(self, repo, self._branch_name_to_ref(name),
195
def destroy_branch(self, name=None):
196
refname = self._branch_name_to_ref(name)
197
if not refname in self._git.refs:
198
raise bzr_errors.NotBranchError(self.root_transport.base,
200
del self._git.refs[refname]
202
def destroy_repository(self):
203
raise bzr_errors.UnsupportedOperation(self.destroy_repository, self)
205
def destroy_workingtree(self):
206
raise bzr_errors.UnsupportedOperation(self.destroy_workingtree, self)
208
def needs_format_conversion(self, format=None):
209
return not isinstance(self._format, format.__class__)
211
def list_branches(self):
213
for name in self._git.get_refs():
214
if name.startswith("refs/heads/"):
215
ret.append(self.open_branch(name=name))
109
218
def open_repository(self, shared=False):
110
219
"""'open' a repository for this dir."""
111
220
return self._gitrepository_class(self, self._lockfiles)
113
222
def open_workingtree(self, recommend_upgrade=True):
115
loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
116
raise errors.bzr_errors.NoWorkingTree(loc)
118
return workingtree.GitWorkingTree(self, self.open_repository(),
121
def cloning_metadir(self, stacked=False):
123
return bzrlib.bzrdir.format_registry.make_bzrdir("pack-0.92")
125
return bzrlib.bzrdir.format_registry.make_bzrdir("1.6")
223
if not self._git.bare:
224
from dulwich.errors import NoIndexPresent
225
repo = self.open_repository()
227
index = repo._git.open_index()
228
except NoIndexPresent:
231
from bzrlib.plugins.git.workingtree import GitWorkingTree
233
branch = self.open_branch()
234
except bzr_errors.NotBranchError:
237
return GitWorkingTree(self, repo, branch, index)
238
loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
239
raise bzr_errors.NoWorkingTree(loc)
127
241
def create_repository(self, shared=False):
128
242
return self.open_repository()
131
class GitBzrDirFormat(bzrdir.BzrDirFormat):
132
"""The .git directory control format."""
134
_gitdir_class = GitDir
135
_lock_class = TransportLock
138
def _known_formats(self):
139
return set([GitBzrDirFormat()])
141
def open(self, transport, _found=None):
142
"""Open this directory.
145
from bzrlib.plugins.git import git
146
# we dont grok readonly - git isn't integrated with transport.
148
if url.startswith('readonly+'):
149
url = url[len('readonly+'):]
152
gitrepo = git.repo.Repo(transport.local_abspath("."))
153
except errors.bzr_errors.NotLocalUrl:
154
raise errors.bzr_errors.NotBranchError(path=transport.base)
155
lockfiles = GitLockableFiles(transport, GitLock())
156
return self._gitdir_class(transport, lockfiles, gitrepo, self)
159
def probe_transport(klass, transport):
160
"""Our format is present if the transport ends in '.not/'."""
161
# little ugly, but works
163
# delegate to the main opening code. This pays a double rtt cost at the
164
# moment, so perhaps we want probe_transport to return the opened thing
165
# rather than an openener ? or we could return a curried thing with the
166
# dir to open already instantiated ? Needs more thought.
168
format.open(transport)
171
raise errors.bzr_errors.NotBranchError(path=transport.base)
172
raise errors.bzr_errors.NotBranchError(path=transport.base)
174
def get_format_description(self):
175
return "Local Git Repository"
177
def get_format_string(self):
178
return "Local Git Repository"
180
def initialize_on_transport(self, transport):
181
from bzrlib.transport.local import LocalTransport
182
from bzrlib.plugins.git import git
184
if not isinstance(transport, LocalTransport):
185
raise NotImplementedError(self.initialize,
186
"Can't create Git Repositories/branches on "
187
"non-local transports")
189
git.repo.Repo.create(transport.local_abspath("."))
190
return self.open(transport)
192
def is_supported(self):
196
bzrdir.BzrDirFormat.register_control_format(GitBzrDirFormat)
244
def create_branch(self, name=None):
245
refname = self._branch_name_to_ref(name)
246
from dulwich.protocol import ZERO_SHA
247
self._git.refs[refname or "HEAD"] = ZERO_SHA
248
return self.open_branch(name)
250
def backup_bzrdir(self):
252
self.root_transport.copy_tree(".git", ".git.backup")
253
return (self.root_transport.abspath(".git"),
254
self.root_transport.abspath(".git.backup"))
256
raise bzr_errors.BzrError("Unable to backup bare repositories")
258
def create_workingtree(self, revision_id=None, from_branch=None,
259
accelerator_tree=None, hardlink=False):
261
raise bzr_errors.BzrError("Can't create working tree in a bare repo")
262
from dulwich.index import write_index
263
from dulwich.pack import SHA1Writer
264
f = open(self.transport.local_abspath("index"), 'w+')
270
return self.open_workingtree()
272
def find_repository(self):
273
"""Find the repository that should be used.
275
This does not require a branch as we use it to find the repo for
276
new branches as well as to hook existing branches up to their
279
return self.open_repository()
281
def _find_creation_modes(self):
282
"""Determine the appropriate modes for files and directories.
284
They're always set to be consistent with the base directory,
285
assuming that this transport allows setting modes.
287
# TODO: Do we need or want an option (maybe a config setting) to turn
288
# this off or override it for particular locations? -- mbp 20080512
289
if self._mode_check_done:
291
self._mode_check_done = True
293
st = self.transport.stat('.')
294
except TransportNotPossible:
295
self._dir_mode = None
296
self._file_mode = None
298
# Check the directory mode, but also make sure the created
299
# directories and files are read-write for this user. This is
300
# mostly a workaround for filesystems which lie about being able to
301
# write to a directory (cygwin & win32)
302
if (st.st_mode & 07777 == 00000):
303
# FTP allows stat but does not return dir/file modes
304
self._dir_mode = None
305
self._file_mode = None
307
self._dir_mode = (st.st_mode & 07777) | 00700
308
# Remove the sticky and execute bits for files
309
self._file_mode = self._dir_mode & ~07111
311
def _get_file_mode(self):
312
"""Return Unix mode for newly created files, or None.
314
if not self._mode_check_done:
315
self._find_creation_modes()
316
return self._file_mode
318
def _get_dir_mode(self):
319
"""Return Unix mode for newly created directories, or None.
321
if not self._mode_check_done:
322
self._find_creation_modes()
323
return self._dir_mode