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# Copyright (C) 2007 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""An adapter between a Git Branch and a Bazaar Branch"""
from bzrlib import (
branch,
config,
revision,
tag,
)
from bzrlib.decorators import needs_read_lock
from bzrlib.plugins.git.foreign import ForeignBranch
from bzrlib.plugins.git.mapping import default_mapping
class GitTagDict(tag.BasicTags):
def __init__(self, branch):
self.branch = branch
self.repository = branch.repository
def get_tag_dict(self):
ret = {}
for tag in self.repository._git.tags:
ret[tag.name] = self.branch.mapping.revision_id_foreign_to_bzr(tag.ref)
return ret
def set_tag(self, name, revid):
raise NotImplementedError(self.set_tag)
class GitBranchConfig(config.BranchConfig):
"""BranchConfig that uses locations.conf in place of branch.conf"""
def __init__(self, branch):
config.BranchConfig.__init__(self, branch)
# do not provide a BranchDataConfig
self.option_sources = self.option_sources[0], self.option_sources[2]
def set_user_option(self, name, value, local=False):
"""Force local to True"""
config.BranchConfig.set_user_option(self, name, value, local=True)
class GitBranchFormat(branch.BranchFormat):
def get_format_description(self):
return 'Git Branch'
def supports_tags(self):
return True
class GitBranch(ForeignBranch):
"""An adapter to git repositories for bzr Branch objects."""
def __init__(self, bzrdir, repository, head, base, lockfiles):
self.repository = repository
super(GitBranch, self).__init__(default_mapping)
self.control_files = lockfiles
self.bzrdir = bzrdir
self.head = head
self.base = base
self._format = GitBranchFormat()
def lock_write(self):
self.control_files.lock_write()
@needs_read_lock
def last_revision(self):
# perhaps should escape this ?
if self.head is None:
return revision.NULL_REVISION
return self.mapping.revision_id_foreign_to_bzr(self.head)
def _make_tags(self):
return GitTagDict(self)
def get_parent(self):
"""See Branch.get_parent()."""
return None
def get_stacked_on_url(self):
return None
def _gen_revision_history(self):
if self.head is None:
return []
ret = list(self.repository.iter_reverse_revision_history(self.last_revision()))
ret.reverse()
return ret
def get_config(self):
return GitBranchConfig(self)
def lock_read(self):
self.control_files.lock_read()
def unlock(self):
self.control_files.unlock()
def get_physical_lock_status(self):
return False
def get_push_location(self):
"""See Branch.get_push_location."""
push_loc = self.get_config().get_user_option('push_location')
return push_loc
def set_push_location(self, location):
"""See Branch.set_push_location."""
self.get_config().set_user_option('push_location', location,
local=True)
def supports_tags(self):
return True
def sprout(self, to_bzrdir, revision_id=None):
"""See Branch.sprout()."""
result = to_bzrdir.create_branch()
self.copy_content_into(result, revision_id=revision_id)
result.set_parent(self.bzrdir.root_transport.base)
return result
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