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# Copyright (C) 2008 Jelmer Vernooij
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# Copyright (C) 2008 John Carr
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# Copyright (C) 2008 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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from dulwich.server import TCPGitServer
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from bzrlib.bzrdir import (
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from bzrlib.errors import (
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from bzrlib.plugins.git.branch import (
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from bzrlib.plugins.git.fetch import (
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from bzrlib.plugins.git.mapping import (
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from bzrlib.plugins.git.object_store import (
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from dulwich.server import (
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from dulwich.pack import (
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class BzrBackend(Backend):
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"""A git serve backend that can use a Bazaar repository."""
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def __init__(self, transport):
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self.transport = transport
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self.mapping = default_mapping
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def open_repository(self, path):
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# FIXME: More secure path sanitization
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return BzrBackendRepo(self.transport.clone(path.lstrip("/")),
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class BzrBackendRepo(BackendRepo):
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def __init__(self, transport, mapping):
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self.transport = transport
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self.mapping = mapping
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self.repo_dir = BzrDir.open_from_transport(self.transport)
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self.repo = self.repo_dir.find_repository()
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self.object_store = get_object_store(self.repo)
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def get_peeled(self, name):
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return self.get_refs()[name]
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"""Return a dict of all tags and branches in repository (and shas) """
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for branch in self.repo_dir.list_branches():
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ref = branch_name_to_ref(branch.name, "refs/heads/master")
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ret[ref] = self.object_store._lookup_revision_sha1(
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branch.last_revision())
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assert type(ref) == str and type(ret[ref]) == str, \
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"(%s) %r -> %r" % (branch.name, ref, ret[ref])
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def apply_pack(self, refs, read):
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"""Apply pack from client to current repository"""
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fd, path = tempfile.mkstemp(suffix=".pack")
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f = os.fdopen(fd, 'w')
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pd.create_index_v2(path[:-5]+".idx", self.object_store.get_raw)
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heads = [k[1] for k in refs]
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self.repo.lock_write()
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self.repo.start_write_group()
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import_git_objects(self.repo, self.mapping,
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p.iterobjects(get_raw=self.object_store.get_raw),
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self.object_store, heads)
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self.repo.abort_write_group()
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self.repo.commit_write_group()
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for oldsha, sha, ref in refs:
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branch_name = ref_to_branch_name(ref)
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# FIXME: Cope with tags!
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target_branch = self.repo_dir.open_branch(branch_name)
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except NotBranchError:
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target_branch = self.repo.create_branch(branch_name)
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rev_id = self.mapping.revision_id_foreign_to_bzr(sha)
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target_branch.lock_write()
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target_branch.generate_revision_history(rev_id)
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target_branch.unlock()
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def fetch_objects(self, determine_wants, graph_walker, progress,
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""" yield git objects to send to client """
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# If this is a Git repository, just use the existing fetch_objects implementation.
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if getattr(self.repo, "fetch_objects", None) is not None:
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return self.repo.fetch_objects(determine_wants, graph_walker, None, progress)[0]
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wants = determine_wants(self.get_refs())
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self.repo.lock_read()
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have = self.object_store.find_common_revisions(graph_walker)
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return self.object_store.generate_pack_contents(have, wants)
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def serve_git(transport, host=None, port=None, inet=False):
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backend = BzrBackend(transport)
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server = TCPGitServer(backend, host, port)
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server = TCPGitServer(backend, host)
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server.serve_forever()