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 Branch and a Bazaar Branch"""
25
from bzrlib.decorators import needs_read_lock
27
from bzrlib.plugins.git.foreign import ForeignBranch
28
from bzrlib.plugins.git.mapping import default_mapping
30
class GitTagDict(tag.BasicTags):
32
def __init__(self, branch):
34
self.repository = branch.repository
36
def get_tag_dict(self):
38
for tag in self.repository._git.tags:
39
ret[tag.name] = self.branch.mapping.revision_id_foreign_to_bzr(tag.ref)
42
def set_tag(self, name, revid):
43
raise NotImplementedError(self.set_tag)
46
class GitBranchConfig(config.BranchConfig):
47
"""BranchConfig that uses locations.conf in place of branch.conf"""
49
def __init__(self, branch):
50
config.BranchConfig.__init__(self, branch)
51
# do not provide a BranchDataConfig
52
self.option_sources = self.option_sources[0], self.option_sources[2]
54
def set_user_option(self, name, value, local=False):
55
"""Force local to True"""
56
config.BranchConfig.set_user_option(self, name, value, local=True)
59
class GitBranchFormat(branch.BranchFormat):
61
def get_format_description(self):
64
def supports_tags(self):
68
class GitBranch(ForeignBranch):
69
"""An adapter to git repositories for bzr Branch objects."""
71
def __init__(self, bzrdir, repository, name, head, lockfiles):
72
self.repository = repository
73
super(GitBranch, self).__init__(default_mapping)
74
self.control_files = lockfiles
78
self.base = bzrdir.transport.base
79
self._format = GitBranchFormat()
82
self.control_files.lock_write()
84
def get_stacked_on_url(self):
85
# Git doesn't do stacking (yet...)
89
"""See Branch.get_parent()."""
93
self.control_files.lock_read()
96
self.control_files.unlock()
98
def get_physical_lock_status(self):
102
class LocalGitBranch(GitBranch):
105
def last_revision(self):
106
# perhaps should escape this ?
107
if self.head is None:
108
return revision.NULL_REVISION
109
return self.mapping.revision_id_foreign_to_bzr(self.head)
111
def _make_tags(self):
112
return GitTagDict(self)
114
def _gen_revision_history(self):
115
if self.head is None:
117
ret = list(self.repository.iter_reverse_revision_history(self.last_revision()))
121
def get_config(self):
122
return GitBranchConfig(self)
124
def get_push_location(self):
125
"""See Branch.get_push_location."""
126
push_loc = self.get_config().get_user_option('push_location')
129
def set_push_location(self, location):
130
"""See Branch.set_push_location."""
131
self.get_config().set_user_option('push_location', location,
134
def supports_tags(self):
137
def sprout(self, to_bzrdir, revision_id=None):
138
"""See Branch.sprout()."""
139
result = to_bzrdir.create_branch()
140
self.copy_content_into(result, revision_id=revision_id)
141
result.set_parent(self.bzrdir.root_transport.base)