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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 bzrlib.bzrdir import (
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from bzrlib.repository 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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def __init__(self, directory):
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self.directory = directory
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self.mapping = default_mapping
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""" return a dict of all tags and branches in repository (and shas) """
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repo_dir = BzrDir.open(self.directory)
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repo = repo_dir.open_repository()
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store = get_object_store(repo)
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for branch in repo.find_branches(using=True):
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#FIXME: Look for 'master' or 'trunk' in here, and set HEAD accordingly...
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#FIXME: Need to get branch path relative to its repository and use this instead of nick
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ret["refs/heads/"+branch.nick] = store._lookup_revision_sha1(branch.last_revision())
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if 'HEAD' not in ret and branch:
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ret['HEAD'] = store._lookup_revision_sha1(branch.last_revision())
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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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entries = p.sorted_entries()
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write_pack_index_v2(path[:-5]+".idx", entries, p.calculate_checksum())
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pack = Pack(path[:-5])
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for obj in pack.iterobjects():
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target = Repository.open(self.directory)
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target.start_write_group()
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import_git_objects(target, self.mapping, iter(get_objects()))
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target.commit_write_group()
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for oldsha, sha, ref in refs:
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if ref[:11] == 'refs/heads/':
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branch_nick = ref[11:]
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target_dir = BzrDir.open(self.directory + "/" + branch_nick)
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target_dir = BzrDir.create(self.directory + "/" + branch_nick)
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target_branch = target_dir.open_branch()
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target_branch = target_dir.create_branch()
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rev_id = self.mapping.revision_id_foreign_to_bzr(sha)
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target_branch.generate_revision_history(rev_id)
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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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repo = Repository.open(self.directory)
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# If this is a Git repository, just use the existing fetch_objects implementation.
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if getattr(repo, "fetch_objects", None) is not None:
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return repo.fetch_objects(determine_wants, graph_walker, None, progress)
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wants = determine_wants(self.get_refs())
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store = BazaarObjectStore(repo)
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have = store.find_missing_revisions(graph_walker)
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missing_sha1s = store.find_missing_objects(have, wants, progress)
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return self.object_store.iter_shas(missing_sha1s)
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server.py
