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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 BzrDir
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from bzrlib.repository import Repository
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from bzrlib.inventory import InventoryDirectory, InventoryFile
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from bzrlib.osutils import splitpath
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from bzrlib.plugins.git.fetch import import_git_objects
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from bzrlib.plugins.git.mapping import default_mapping, revision_to_commit, inventory_to_tree_and_blobs
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from dulwich.server import Backend
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from dulwich.pack import Pack, PackData, write_pack_index_v2
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from dulwich.objects import ShaFile, Commit, Tree, Blob
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#S_IFREG | 0664 # *Might* see this; would fail fsck --strict
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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from dulwich.server import TCPGitServer
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from ..controldir import (
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from .mapping import (
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from .object_store import (
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from dulwich.protocol import Protocol
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from dulwich.server 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, directory):
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self.directory = directory
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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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transport = self.transport.clone(path.decode('utf-8').lstrip("/"))
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trace.mutter('client opens %r: %r', path, transport)
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return BzrBackendRepo(transport, self.mapping)
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class BzrBackendRepo(BackendRepo):
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def __init__(self, transport, mapping):
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self.mapping = mapping
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self.repo_dir = ControlDir.open_from_transport(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 = get_refs_container(self.repo_dir, self.object_store)
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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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repo_dir = BzrDir.open(self.directory)
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repo = repo_dir.open_repository()
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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] = self.mapping.revision_id_bzr_to_foreign(branch.last_revision())[0]
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if 'HEAD' not in ret and branch:
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ret['HEAD'] = self.mapping.revision_id_bzr_to_foreign(branch.last_revision())[0]
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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 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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commits_to_send = set([self.mapping.revision_id_foreign_to_bzr(w) for w in wants])
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have = graph_walker.next()
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if repo.has_revision(self.mapping.revision_id_foreign_to_bzr(sha)):
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graph_walker.ack(have)
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have = graph_walker.next()
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while commits_to_send:
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commit = commits_to_send.pop()
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if commit in rev_done:
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rev = repo.get_revision(commit)
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commits_to_send.update([p for p in rev.parent_ids if not p in rev_done])
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for sha, obj, path in inventory_to_tree_and_blobs(repo, self.mapping, commit):
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if sha not in obj_sent:
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objects.add((obj, path))
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objects.add((revision_to_commit(rev, sha, self.mapping.revision_id_bzr_to_foreign), None))
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return (len(objects), iter(objects))
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with self.object_store.lock_read():
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return self.refs.as_dict()
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def get_peeled(self, name):
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cached = self.refs.get_peeled(name)
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if cached is not None:
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return self.object_store.peel_sha(self.refs[name]).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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with self.object_store.lock_read():
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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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if isinstance(self.object_store, BazaarObjectStore):
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return self.object_store.generate_pack_contents(
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have, wants, progress, get_tagged=get_tagged, lossy=True)
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return self.object_store.generate_pack_contents(
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have, wants, progress)
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class BzrTCPGitServer(TCPGitServer):
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def handle_error(self, request, client_address):
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trace.log_exception_quietly()
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trace.warning('Exception happened during processing of request '
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'from %s', client_address)
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def serve_git(transport, host=None, port=None, inet=False, timeout=None):
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backend = BzrBackend(transport)
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server = BzrTCPGitServer(backend, host, port)
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server = BzrTCPGitServer(backend, host)
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server.serve_forever()
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def git_http_hook(branch, method, path):
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from dulwich.web import HTTPGitApplication, HTTPGitRequest, DEFAULT_HANDLERS
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for (smethod, spath) in HTTPGitApplication.services:
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if smethod != method:
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mat = spath.search(path)
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handler = HTTPGitApplication.services[smethod, spath]
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backend = BzrBackend(branch.user_transport)
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def git_call(environ, start_response):
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req = HTTPGitRequest(environ, start_response, dumb=False,
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handlers=DEFAULT_HANDLERS)
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return handler(req, backend, mat)
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def serve_command(handler_cls, backend, inf=sys.stdin, outf=sys.stdout):
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"""Serve a single command.
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This is mostly useful for the implementation of commands used by e.g. git+ssh.
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:param handler_cls: `Handler` class to use for the request
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:param argv: execv-style command-line arguments. Defaults to sys.argv.
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:param backend: `Backend` to use
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:param inf: File-like object to read from, defaults to standard input.
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:param outf: File-like object to write to, defaults to standard output.
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:return: Exit code for use with sys.exit. 0 on success, 1 on failure.
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proto = Protocol(inf.read, send_fn)
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handler = handler_cls(backend, ["/"], proto)
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# FIXME: Catch exceptions and write a single-line summary to outf.
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def serve_git_receive_pack(transport, host=None, port=None, inet=False):
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raise errors.BzrCommandError(
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"git-receive-pack only works in inetd mode")
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backend = BzrBackend(transport)
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sys.exit(serve_command(ReceivePackHandler, backend=backend))
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def serve_git_upload_pack(transport, host=None, port=None, inet=False):
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raise errors.BzrCommandError(
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"git-receive-pack only works in inetd mode")
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backend = BzrBackend(transport)
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sys.exit(serve_command(UploadPackHandler, backend=backend))
added
removed
breezy/git/server.py
