1
# Copyright (C) 2011-2018 Jelmer Vernooij <jelmer@jelmer.uk>
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
"""Unpeel map storage."""
19
from __future__ import absolute_import
21
from collections import defaultdict
22
from cStringIO import StringIO
30
class UnpeelMap(object):
33
Keeps track of the unpeeled object id of tags.
37
self._map = defaultdict(set)
41
for k, v in m.iteritems():
42
self._map[k].update(v)
47
firstline = f.readline()
48
if firstline != "unpeel map version 1\n":
49
raise AssertionError("invalid format for unpeel map: %r" % firstline)
50
for l in f.readlines():
51
(k, v) = l.split(":", 1)
58
f.write("unpeel map version 1\n")
59
for k, vs in self._map.iteritems():
61
f.write("%s: %s\n" % (k, v))
63
def save_in_repository(self, repository):
68
repository.control_transport.put_file("git-unpeel-map", f)
72
def peel_tag(self, git_sha, default=None):
74
return self._re_map.get(git_sha, default)
76
def re_unpeel_tag(self, new_git_sha, old_git_sha):
79
Bazaar can't store unpeeled refs so in order to prevent peeling
80
existing tags when pushing they are "unpeeled" here.
82
if old_git_sha is not None and old_git_sha in self._map[new_git_sha]:
83
trace.mutter("re-unpeeling %r to %r", new_git_sha, old_git_sha)
88
def from_repository(cls, repository):
89
"""Load the unpeel map for a repository.
93
m.load(repository.control_transport.get("git-unpeel-map"))
94
except errors.NoSuchFile: