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# Copyright (C) 2007 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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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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lazy_import(globals(), """
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from bzrlib.plugins.git import (
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class GitLock(object):
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"""A lock that thunks through to Git."""
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class GitLockableFiles(lockable_files.LockableFiles):
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"""Git specific lockable files abstraction."""
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def __init__(self, lock):
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self._transaction = None
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self._lock_mode = None
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class GitDir(bzrdir.BzrDir):
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"""An adapter to the '.git' dir used by git."""
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_gitrepository_class = git_repository.GitRepository
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def __init__(self, transport, lockfiles, format):
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self.root_transport = transport
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self.transport = transport.clone('.git')
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self._lockfiles = lockfiles
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def get_branch_transport(self, branch_format):
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if branch_format is None:
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if isinstance(branch_format, GitBzrDirFormat):
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raise errors.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 is_supported(self):
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def open_branch(self, ignored=None):
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"""'crate' a branch for this dir."""
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return git_branch.GitBranch(self, self._lockfiles)
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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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loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
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raise errors.bzr_errors.NoWorkingTree(loc)
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def cloning_metadir(self):
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return bzrdir.BzrDirFormat.get_default_format()
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class GitBzrDirFormat(bzrdir.BzrDirFormat):
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"""The .git directory control format."""
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_gitdir_class = GitDir
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def _known_formats(self):
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return set([GitBzrDirFormat()])
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def open(self, transport, _create=False, _found=None):
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"""Open this directory.
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:param _create: create the git dir on the fly. private to GitDirFormat.
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# we dont grok readonly - git isn't integrated with transport.
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if url.startswith('readonly+'):
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url = url[len('readonly+'):]
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if not transport.has('.git'):
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raise errors.bzr_errors.NotBranchError(path=transport.base)
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lockfiles = GitLockableFiles(GitLock())
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return self._gitdir_class(transport, lockfiles, self)
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def probe_transport(klass, transport):
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"""Our format is present if the transport ends in '.not/'."""
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# little ugly, but works
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# delegate to the main opening code. This pays a double rtt cost at the
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# moment, so perhaps we want probe_transport to return the opened thing
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# rather than an openener ? or we could return a curried thing with the
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# dir to open already instantiated ? Needs more thought.
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format.open(transport)
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raise errors.bzr_errors.NotBranchError(path=transport.base)
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raise errors.bzr_errors.NotBranchError(path=transport.base)
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bzrdir.BzrDirFormat.register_control_format(GitBzrDirFormat)
added
removed
git_dir.py
