1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Foreign branch utilities."""
from bzrlib import errors, registry
from bzrlib.commands import Command, Option
class VcsMapping(object):
"""Describes the mapping between the semantics of Bazaar and a foreign vcs.
"""
experimental = False
roundtripping = False
revid_prefix = None
def revision_id_bzr_to_foreign(self, bzr_revid):
"""Parse a bzr revision id and convert it to a foreign revid.
:param bzr_revid: The bzr revision id (a string).
:return: A foreign revision id, can be any sort of object.
"""
raise NotImplementedError(self.revision_id_bzr_to_foreign)
def revision_id_foreign_to_bzr(self, foreign_revid):
"""Parse a foreign revision id and convert it to a bzr revid.
:param foreign_revid: Foreign revision id, can be any sort of object.
:return: A bzr revision id.
"""
raise NotImplementedError(self.revision_id_foreign_to_bzr)
class VcsMappingRegistry(registry.Registry):
"""Registry for Bazaar<->foreign VCS mappings.
There should be one instance of this registry for every foreign VCS.
"""
def register(self, key, factory, help):
"""Register a mapping between Bazaar and foreign VCS semantics.
The factory must be a callable that takes one parameter: the key.
It must produce an instance of VcsMapping when called.
"""
registry.Registry.register(self, key, factory, help)
def set_default(self, key):
"""Set the 'default' key to be a clone of the supplied key.
This method must be called once and only once.
"""
self._set_default_key(key)
def get_default(self):
"""Convenience function for obtaining the default mapping to use."""
return self.get(self._get_default_key())
class FakeControlFiles(object):
"""Dummy implementation of ControlFiles.
This is required as some code relies on controlfiles being
available."""
def get_utf8(self, name):
raise errors.NoSuchFile(name)
def get(self, name):
raise errors.NoSuchFile(name)
def break_lock(self):
pass
class cmd_dpush(Command):
"""Push diffs into a foreign version control system without any
Bazaar-specific metadata.
This will afterwards rebase the local Bazaar branch on the remote
branch unless the --no-rebase option is used, in which case
the two branches will be out of sync.
"""
takes_args = ['location?']
takes_options = ['remember', Option('directory',
help='Branch to push from, '
'rather than the one containing the working directory.',
short_name='d',
type=unicode,
),
Option('no-rebase', help="Don't rebase after push")]
def run(self, location=None, remember=False, directory=None,
no_rebase=False):
from bzrlib import urlutils
from bzrlib.bzrdir import BzrDir
from bzrlib.branch import Branch
from bzrlib.errors import BzrCommandError, NoWorkingTree
from bzrlib.workingtree import WorkingTree
if directory is None:
directory = "."
try:
source_wt = WorkingTree.open_containing(directory)[0]
source_branch = source_wt.branch
except NoWorkingTree:
source_branch = Branch.open_containing(directory)[0]
source_wt = None
stored_loc = source_branch.get_push_location()
if location is None:
if stored_loc is None:
raise BzrCommandError("No push location known or specified.")
else:
display_url = urlutils.unescape_for_display(stored_loc,
self.outf.encoding)
self.outf.write("Using saved location: %s\n" % display_url)
location = stored_loc
bzrdir = BzrDir.open(location)
target_branch = bzrdir.open_branch()
target_branch.lock_write()
revid_map = target_branch.dpull(source_branch)
# We successfully created the target, remember it
if source_branch.get_push_location() is None or remember:
source_branch.set_push_location(target_branch.base)
if not no_rebase:
_, old_last_revid = source_branch.last_revision_info()
new_last_revid = revid_map[old_last_revid]
if source_wt is not None:
source_wt.pull(target_branch, overwrite=True,
stop_revision=new_last_revid)
else:
source_branch.pull(target_branch, overwrite=True,
stop_revision=new_last_revid)
|