dulwich/bin/dul-fetch-pack

#!/usr/bin/python
# dul-daemon - Simple git smart server client
# Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.org>
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2
# or (at your option) a later version of the License.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA  02110-1301, USA.

from dulwich.client import TCPGitClient, SimpleFetchGraphWalker
from dulwich.repo import Repo
import sys
from getopt import getopt

opts, args = getopt(sys.argv[1:], "", ["all"])

opts = dict(opts)

if args == []:
	print "Usage: dul-fetch-pack host:path"
	sys.exit(1)

if not ":" in args[0]:
	print "Usage: dul-fetch-pack host:path"
	sys.exit(1)

(host, path) = args.pop(0).split(":", 1)
client = TCPGitClient(host)

if "--all" in opts:
    determine_wants = lambda x: [y for y in x.values() if not y in r.object_store]
else:
    determine_wants = lambda x: [y for y in args if not y in r.object_store]

r = Repo(".")

# FIXME: Will just fetch everything..
graphwalker = SimpleFetchGraphWalker(r.heads().values(), r.get_parents)

f, commit = r.object_store.add_pack()
try:
    client.fetch_pack(path, determine_wants, graphwalker, f.write, sys.stdout.write)
    f.close()
    commit()
except:
    f.close()
    raise