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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""An adapter between a Git control dir and a Bazaar BzrDir"""
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from bzrlib.lazy_import import lazy_import
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"""An adapter between a Git control dir and a Bazaar BzrDir."""
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from bzrlib import (
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version_info as bzrlib_version,
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lazy_import(globals(), """
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from bzrlib.lockable_files import TransportLock
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LockWarner = getattr(lockable_files, "_LockWarner", None)
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from bzrlib.plugins.git import (
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from bzrlib.plugins.git import LocalGitBzrDirFormat
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class GitLock(object):
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def cloning_metadir(self, stacked=False):
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return bzrlib.bzrdir.format_registry.make_bzrdir("1.9-rich-root")
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return get_rich_root_format(stacked)
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def _branch_name_to_ref(self, name):
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if name is None or name == "HEAD":
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return "refs/heads/%s" % name
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class LocalGitDir(GitDir):
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"""An adapter to the '.git' dir used by git."""
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_gitrepository_class = repository.LocalGitRepository
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def _get_gitrepository_class(self):
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from bzrlib.plugins.git.repository import LocalGitRepository
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return LocalGitRepository
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_gitrepository_class = property(_get_gitrepository_class)
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def __init__(self, transport, lockfiles, gitrepo, format):
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self._format = format
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self.transport = transport.clone('.git')
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self._lockfiles = lockfiles
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self._mode_check_done = None
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def is_control_filename(self, filename):
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return filename == '.git' or filename.startswith('.git/')
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def get_branch_transport(self, branch_format):
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if branch_format is None:
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return self.transport
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if isinstance(branch_format, LocalGitBzrDirFormat):
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return self.transport
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raise errors.bzr_errors.IncompatibleFormat(branch_format, self._format)
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raise bzr_errors.IncompatibleFormat(branch_format, self._format)
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get_repository_transport = get_branch_transport
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get_workingtree_transport = get_branch_transport
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def open_branch(self, ignored=None):
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def _open_branch(self, name=None, ignore_fallbacks=None, unsupported=False):
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"""'create' a branch for this dir."""
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repo = self.open_repository()
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return branch.LocalGitBranch(self, repo, "HEAD", repo._git.head(), self._lockfiles)
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from bzrlib.plugins.git.branch import LocalGitBranch
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return LocalGitBranch(self, repo, self._branch_name_to_ref(name),
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if bzrlib_version >= (2, 2):
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open_branch = _open_branch
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def open_branch(self, ignore_fallbacks=None, unsupported=False):
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return self._open_branch(name=None,
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ignore_fallbacks=ignore_fallbacks, unsupported=unsupported)
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def destroy_branch(self, name=None):
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del self._git.refs[self._branch_name_to_ref(name)]
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def list_branches(self):
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for name in self._git.get_refs():
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if name.startswith("refs/heads/"):
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ret.append(self.open_branch(name=name))
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ret.append(self.open_branch(name=None))
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def open_repository(self, shared=False):
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"""'open' a repository for this dir."""
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return self._gitrepository_class(self, self._lockfiles)
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def open_workingtree(self, recommend_upgrade=True):
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if (not self._git.bare and
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os.path.exists(os.path.join(self._git.controldir(), "index"))):
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return workingtree.GitWorkingTree(self, self.open_repository(),
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if not self._git.bare:
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from dulwich.errors import NoIndexPresent
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from bzrlib.plugins.git.workingtree import GitWorkingTree
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return GitWorkingTree(self, self.open_repository(),
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except NoIndexPresent:
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loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
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raise errors.bzr_errors.NoWorkingTree(loc)
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raise bzr_errors.NoWorkingTree(loc)
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def create_repository(self, shared=False):
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return self.open_repository()
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def create_branch(self, name=None):
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refname = self._branch_name_to_ref(name)
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self._git.refs[refname] = "0" * 40
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return self.open_branch(name)
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def backup_bzrdir(self):
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self.root_transport.copy_tree(".git", ".git.backup")
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return (self.root_transport.abspath(".git"),
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self.root_transport.abspath(".git.backup"))
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raise bzr_errors.BzrError("Unable to backup bare repositories")
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def create_workingtree(self, revision_id=None, from_branch=None,
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accelerator_tree=None, hardlink=False):
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raise bzr_errors.BzrError("Can't create working tree in a bare repo")
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from dulwich.index import write_index
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from dulwich.pack import SHA1Writer
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f = open(self.transport.local_abspath("index"), 'w+')
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return self.open_workingtree()