1
# Copyright (C) 2008-2018 Jelmer Vernooij <jelmer@jelmer.uk>
2
# Copyright (C) 2008 John Carr
3
# Copyright (C) 2008-2011 Canonical Ltd
5
# This program is free software; you can redistribute it and/or modify
6
# it under the terms of the GNU General Public License as published by
7
# the Free Software Foundation; either version 2 of the License, or
8
# (at your option) any later version.
10
# This program is distributed in the hope that it will be useful,
11
# but WITHOUT ANY WARRANTY; without even the implied warranty of
12
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
# GNU General Public License for more details.
15
# You should have received a copy of the GNU General Public License
16
# along with this program; if not, write to the Free Software
17
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
from dulwich.server import TCPGitServer
28
from ..controldir import (
32
from .mapping import (
36
from .object_store import (
44
from dulwich.protocol import Protocol
45
from dulwich.server import (
53
class BzrBackend(Backend):
54
"""A git serve backend that can use a Bazaar repository."""
56
def __init__(self, transport):
57
self.transport = transport
58
self.mapping = default_mapping
60
def open_repository(self, path):
61
# FIXME: More secure path sanitization
62
transport = self.transport.clone(decode_git_path(path).lstrip("/"))
63
trace.mutter('client opens %r: %r', path, transport)
64
return BzrBackendRepo(transport, self.mapping)
67
class BzrBackendRepo(BackendRepo):
69
def __init__(self, transport, mapping):
70
self.mapping = mapping
71
self.repo_dir = ControlDir.open_from_transport(transport)
72
self.repo = self.repo_dir.find_repository()
73
self.object_store = get_object_store(self.repo)
74
self.refs = get_refs_container(self.repo_dir, self.object_store)
77
with self.object_store.lock_read():
78
return self.refs.as_dict()
80
def get_peeled(self, name):
81
cached = self.refs.get_peeled(name)
82
if cached is not None:
84
return self.object_store.peel_sha(self.refs[name]).id
86
def fetch_objects(self, determine_wants, graph_walker, progress,
88
"""Yield git objects to send to client """
89
with self.object_store.lock_read():
90
wants = determine_wants(self.get_refs())
91
have = self.object_store.find_common_revisions(graph_walker)
94
shallows = getattr(graph_walker, 'shallow', frozenset())
95
if isinstance(self.object_store, BazaarObjectStore):
96
return self.object_store.generate_pack_contents(
97
have, wants, shallow=shallows,
98
progress=progress, get_tagged=get_tagged, lossy=True)
101
return self.object_store.generate_pack_contents(
102
have, wants, shallow=shallows, progress=progress)
104
return self.object_store.generate_pack_contents(
105
have, wants, progress=progress)
108
class BzrTCPGitServer(TCPGitServer):
110
def handle_error(self, request, client_address):
111
trace.log_exception_quietly()
112
trace.warning('Exception happened during processing of request '
113
'from %s', client_address)
116
def serve_git(transport, host=None, port=None, inet=False, timeout=None):
117
backend = BzrBackend(transport)
122
server = BzrTCPGitServer(backend, host, port)
124
server = BzrTCPGitServer(backend, host)
125
server.serve_forever()
128
def git_http_hook(branch, method, path):
129
from dulwich.web import HTTPGitApplication, HTTPGitRequest, DEFAULT_HANDLERS
131
for (smethod, spath) in HTTPGitApplication.services:
132
if smethod != method:
134
mat = spath.search(path)
136
handler = HTTPGitApplication.services[smethod, spath]
140
backend = BzrBackend(branch.user_transport)
142
def git_call(environ, start_response):
143
req = HTTPGitRequest(environ, start_response, dumb=False,
144
handlers=DEFAULT_HANDLERS)
145
return handler(req, backend, mat)
149
def serve_command(handler_cls, backend, inf=sys.stdin, outf=sys.stdout):
150
"""Serve a single command.
152
This is mostly useful for the implementation of commands used by e.g. git+ssh.
154
:param handler_cls: `Handler` class to use for the request
155
:param argv: execv-style command-line arguments. Defaults to sys.argv.
156
:param backend: `Backend` to use
157
:param inf: File-like object to read from, defaults to standard input.
158
:param outf: File-like object to write to, defaults to standard output.
159
:return: Exit code for use with sys.exit. 0 on success, 1 on failure.
164
proto = Protocol(inf.read, send_fn)
165
handler = handler_cls(backend, ["/"], proto)
166
# FIXME: Catch exceptions and write a single-line summary to outf.
171
def serve_git_receive_pack(transport, host=None, port=None, inet=False):
173
raise errors.CommandError(
174
"git-receive-pack only works in inetd mode")
175
backend = BzrBackend(transport)
176
sys.exit(serve_command(ReceivePackHandler, backend=backend))
179
def serve_git_upload_pack(transport, host=None, port=None, inet=False):
181
raise errors.CommandError(
182
"git-receive-pack only works in inetd mode")
183
backend = BzrBackend(transport)
184
sys.exit(serve_command(UploadPackHandler, backend=backend))