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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.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 bzrlib.plugins.git.refs import (
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from dulwich.server import (
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from dulwich.pack import (
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from dulwich.objects 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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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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self.refs = BazaarRefsContainer(self.repo_dir, self.object_store)
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self._refs = self.refs.as_dict() # Much faster for now..
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def get_refs(self):
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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.find_branches(using=True):
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#FIXME: Look for 'master' or 'trunk' in here, and set HEAD
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#FIXME: Need to get branch path relative to its repository and
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# use this instead of nick
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ret["refs/heads/"+branch.nick] = self.object_store._lookup_revision_sha1(branch.last_revision())
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if 'HEAD' not in ret and branch:
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ret['HEAD'] = self.object_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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t, o = p.get_object_at (offset)
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write_pack_index_v2(path[:-5]+".idx", entries, p.calculate_checksum())
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for tup in p.iterobjects():
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obj_type, obj = p.get_object_at (tup[0])
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if obj_type in range(1, 4):
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sf = ShaFile.from_raw_string (obj_type, obj)
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objects[hex_to_sha(sf.id)] = sf
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self.repo.lock_write()
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def get_peeled(self, name):
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return self.get_refs()[name]
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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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wants = determine_wants(self.get_refs())
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self.repo.start_write_group()
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import_git_objects(self.repo, self.mapping, objects,
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self.repo.abort_write_group()
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self.repo.commit_write_group()
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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, progress,
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self.repo.unlock()
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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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transport = self.repo.root_transport.clone(branch_nick)
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target_dir = BzrDir.open_from_transport(transport)
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format = BzrDirFormat.get_default_format()
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format.initialize_on_transport(transport)
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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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# 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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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)