#!/usr/bin/python
# dumppack - Simple pack dumper for dulwich
# 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
# 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.errors import ApplyDeltaError
from dulwich.pack import Pack, sha_to_hex
import sys

basename = sys.argv[1]
x = Pack(basename)
print "Checksum: %s" % sha_to_hex(x.get_stored_checksum())
if not x.check():
    print "CHECKSUM DOES NOT MATCH"
print "Length: %d" % len(x)
for name in x:
    try:
        print "\t%s: %s" % (name, x[name])
    except KeyError, k:
        print "\t%s: Unable to resolve base %s" % (name, k)
    except ApplyDeltaError, e:
        print "\t%s: Unable to apply delta: %r" % (name, e)