/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to branch.py

  • Committer: Robert Collins
  • Date: 2010-05-06 11:08:10 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506110810-h3j07fh5gmw54s25
Cleaner matcher matching revised unlocking protocol.

Show diffs side-by-side

added added

removed removed

Lines of Context:
branch.py
1
 
# Copyright (C) 2007 Canonical Ltd
2
 
#
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.
7
 
#
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.
12
 
#
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
"""An adapter between a Git Branch and a Bazaar Branch"""
18
 
 
19
 
from bzrlib import (
20
 
    branch,
21
 
    config,
22
 
    revision,
23
 
    tag,
24
 
    )
25
 
from bzrlib.decorators import needs_read_lock
26
 
 
27
 
from bzrlib.plugins.git.foreign import ForeignBranch
28
 
from bzrlib.plugins.git.mapping import default_mapping
29
 
 
30
 
class GitTagDict(tag.BasicTags):
31
 
 
32
 
    def __init__(self, branch):
33
 
        self.branch = branch
34
 
        self.repository = branch.repository
35
 
 
36
 
    def get_tag_dict(self):
37
 
        ret = {}
38
 
        for tag in self.repository._git.tags:
39
 
            ret[tag.name] = self.branch.mapping.revision_id_foreign_to_bzr(tag.ref)
40
 
        return ret
41
 
 
42
 
    def set_tag(self, name, revid):
43
 
        raise NotImplementedError(self.set_tag)
44
 
 
45
 
 
46
 
class GitBranchConfig(config.BranchConfig):
47
 
    """BranchConfig that uses locations.conf in place of branch.conf"""
48
 
 
49
 
    def __init__(self, branch):
50
 
        config.BranchConfig.__init__(self, branch)
51
 
        # do not provide a BranchDataConfig
52
 
        self.option_sources = self.option_sources[0], self.option_sources[2]
53
 
 
54
 
    def set_user_option(self, name, value, local=False):
55
 
        """Force local to True"""
56
 
        config.BranchConfig.set_user_option(self, name, value, local=True)
57
 
 
58
 
 
59
 
class GitBranchFormat(branch.BranchFormat):
60
 
 
61
 
    def get_format_description(self):
62
 
        return 'Git Branch'
63
 
 
64
 
    def supports_tags(self):
65
 
        return True
66
 
 
67
 
 
68
 
class GitBranch(ForeignBranch):
69
 
    """An adapter to git repositories for bzr Branch objects."""
70
 
 
71
 
    def __init__(self, bzrdir, repository, head, base, lockfiles):
72
 
        self.repository = repository
73
 
        super(GitBranch, self).__init__(default_mapping)
74
 
        self.control_files = lockfiles
75
 
        self.bzrdir = bzrdir
76
 
        self.head = head
77
 
        self.base = base
78
 
        self._format = GitBranchFormat()
79
 
 
80
 
    def lock_write(self):
81
 
        self.control_files.lock_write()
82
 
 
83
 
    @needs_read_lock
84
 
    def last_revision(self):
85
 
        # perhaps should escape this ?
86
 
        if self.head is None:
87
 
            return revision.NULL_REVISION
88
 
        return self.mapping.revision_id_foreign_to_bzr(self.head)
89
 
 
90
 
    def _make_tags(self):
91
 
        return GitTagDict(self)
92
 
 
93
 
    def get_parent(self):
94
 
        """See Branch.get_parent()."""
95
 
        return None
96
 
 
97
 
    def get_stacked_on_url(self):
98
 
        return None
99
 
 
100
 
    def _gen_revision_history(self):
101
 
        if self.head is None:
102
 
            return []
103
 
        skip = 0
104
 
        cms = None
105
 
        ret = []
106
 
        max_count = 1000
107
 
        nextid = self.head
108
 
        while cms != []:
109
 
            cms = self.repository._git.commits(self.head, max_count=max_count, skip=skip)
110
 
            skip += max_count
111
 
            for cm in cms:
112
 
                if cm.id == nextid:
113
 
                    ret.append(self.mapping.revision_id_foreign_to_bzr(cm.id))
114
 
                    if cm.parents == []:
115
 
                        nextid = None
116
 
                    else:
117
 
                        nextid = cm.parents[0].id
118
 
        ret.reverse()
119
 
        return ret
120
 
 
121
 
    def get_config(self):
122
 
        return GitBranchConfig(self)
123
 
 
124
 
    def lock_read(self):
125
 
        self.control_files.lock_read()
126
 
 
127
 
    def unlock(self):
128
 
        self.control_files.unlock()
129
 
 
130
 
    def get_physical_lock_status(self):
131
 
        return False
132
 
 
133
 
    def get_push_location(self):
134
 
        """See Branch.get_push_location."""
135
 
        push_loc = self.get_config().get_user_option('push_location')
136
 
        return push_loc
137
 
 
138
 
    def set_push_location(self, location):
139
 
        """See Branch.set_push_location."""
140
 
        self.get_config().set_user_option('push_location', location,
141
 
                                          local=True)
142
 
 
143
 
    def supports_tags(self):
144
 
        return True
145
 
 
146
 
    def sprout(self, to_bzrdir, revision_id=None):
147
 
        """See Branch.sprout()."""
148
 
        result = to_bzrdir.create_branch()
149
 
        self.copy_content_into(result, revision_id=revision_id)
150
 
        result.set_parent(self.bzrdir.root_transport.base)
151
 
        return result
152