1
# Copyright (C) 2007 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17
"""An adapter between a Git control dir and a Bazaar BzrDir."""
28
LockWarner = getattr(lockable_files, "_LockWarner", None)
30
from bzrlib.plugins.git import (
40
class GitLock(object):
41
"""A lock that thunks through to Git."""
43
def lock_write(self, token=None):
55
def validate_token(self, token):
59
class GitLockableFiles(lockable_files.LockableFiles):
60
"""Git specific lockable files abstraction."""
62
def __init__(self, transport, lock):
64
self._transaction = None
65
self._lock_mode = None
66
self._transport = transport
67
if LockWarner is None:
71
self._lock_warner = LockWarner(repr(self))
74
class GitDir(bzrdir.BzrDir):
75
"""An adapter to the '.git' dir used by git."""
77
def is_supported(self):
80
def cloning_metadir(self, stacked=False):
81
return get_rich_root_format(stacked)
84
class LocalGitDir(GitDir):
85
"""An adapter to the '.git' dir used by git."""
87
_gitrepository_class = repository.LocalGitRepository
89
def __init__(self, transport, lockfiles, gitrepo, format):
91
self.root_transport = transport
94
self.transport = transport
96
self.transport = transport.clone('.git')
97
self._lockfiles = lockfiles
99
def get_branch_transport(self, branch_format):
100
if branch_format is None:
101
return self.transport
102
if isinstance(branch_format, LocalGitBzrDirFormat):
103
return self.transport
104
raise errors.bzr_errors.IncompatibleFormat(branch_format, self._format)
106
get_repository_transport = get_branch_transport
107
get_workingtree_transport = get_branch_transport
109
def open_branch(self, ignore_fallbacks=None):
110
"""'create' a branch for this dir."""
111
repo = self.open_repository()
112
return branch.LocalGitBranch(self, repo, "HEAD", repo._git.head(),
115
def open_repository(self, shared=False):
116
"""'open' a repository for this dir."""
117
return self._gitrepository_class(self, self._lockfiles)
119
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)
122
if (not self._git.bare and
123
os.path.exists(os.path.join(self._git.controldir(), "index"))):
124
return workingtree.GitWorkingTree(self, self.open_repository(),
127
def create_repository(self, shared=False):
128
return self.open_repository()
130
def create_branch(self):
131
return self.open_branch()