/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 git_branch.py

Implement GitLock.peek().

Show diffs side-by-side

added added

removed removed

Lines of Context:
git_branch.py
20
20
    branch,
21
21
    config,
22
22
    revision,
23
 
    tag,
24
23
    )
25
24
from bzrlib.decorators import needs_read_lock
26
 
from bzrlib.trace import mutter
27
 
 
28
 
from bzrlib.plugins.git.foreign import ForeignBranch
29
 
 
30
 
from dulwich.objects import (
31
 
        Commit,
32
 
        Tag,
33
 
        )
34
 
 
35
 
class GitTagDict(tag.BasicTags):
36
 
 
37
 
    def __init__(self, branch):
38
 
        self.branch = branch
39
 
        self.repository = branch.repository
40
 
 
41
 
    def get_tag_dict(self):
42
 
        ret = {}
43
 
        for k,v in self.repository._git.tags.iteritems():
44
 
            obj = self.repository._git.get_object(v)
45
 
            while isinstance(obj, Tag):
46
 
                v = obj.object[1]
47
 
                obj = self.repository._git.get_object(v)
48
 
            if not isinstance(obj, Commit):
49
 
                mutter("Tag %s points at object %r that is not a commit, ignoring", k, obj)
50
 
                continue
51
 
            ret[k] = self.branch.mapping.revision_id_foreign_to_bzr(v)
52
 
        return ret
53
 
 
54
 
    def set_tag(self, name, revid):
55
 
        self.repository._git.tags[name] = revid
 
25
 
 
26
from bzrlib.plugins.git import ids
56
27
 
57
28
 
58
29
class GitBranchConfig(config.BranchConfig):
73
44
    def get_format_description(self):
74
45
        return 'Git Branch'
75
46
 
76
 
    def supports_tags(self):
77
 
        return True
78
 
 
79
 
 
80
 
class GitBranch(ForeignBranch):
 
47
 
 
48
class GitBranch(branch.Branch):
81
49
    """An adapter to git repositories for bzr Branch objects."""
82
50
 
83
 
    def __init__(self, bzrdir, repository, name, head, lockfiles):
84
 
        self.repository = repository
85
 
        super(GitBranch, self).__init__(repository.get_mapping())
 
51
    def __init__(self, bzrdir, repository, head, base, lockfiles):
 
52
        super(GitBranch, self).__init__()
86
53
        self.control_files = lockfiles
87
54
        self.bzrdir = bzrdir
88
 
        self.name = name
 
55
        self.repository = repository
89
56
        self.head = head
90
 
        self.base = bzrdir.transport.base
 
57
        self.base = base
91
58
        self._format = GitBranchFormat()
92
59
 
93
60
    def lock_write(self):
94
61
        self.control_files.lock_write()
95
62
 
96
 
    def get_stacked_on_url(self):
97
 
        # Git doesn't do stacking (yet...)
98
 
        return None
99
 
 
100
 
    def get_parent(self):
101
 
        """See Branch.get_parent()."""
102
 
        return None
103
 
 
104
 
    def set_parent(self, url):
105
 
        pass
106
 
 
107
 
    def lock_read(self):
108
 
        self.control_files.lock_read()
109
 
 
110
 
    def unlock(self):
111
 
        self.control_files.unlock()
112
 
 
113
 
    def get_physical_lock_status(self):
114
 
        return False
115
 
 
116
 
 
117
 
class LocalGitBranch(GitBranch):
118
 
 
119
63
    @needs_read_lock
120
64
    def last_revision(self):
121
65
        # perhaps should escape this ?
122
66
        if self.head is None:
123
67
            return revision.NULL_REVISION
124
 
        return self.mapping.revision_id_foreign_to_bzr(self.head)
125
 
 
126
 
    def _make_tags(self):
127
 
        return GitTagDict(self)
 
68
        return ids.convert_revision_id_git_to_bzr(self.head)
 
69
 
 
70
    def get_parent(self):
 
71
        """See Branch.get_parent()."""
 
72
        return None
 
73
 
 
74
    def get_stacked_on_url(self):
 
75
        return None
128
76
 
129
77
    def _gen_revision_history(self):
130
78
        if self.head is None:
131
79
            return []
132
 
        ret = list(self.repository.iter_reverse_revision_history(self.last_revision()))
 
80
        skip = 0
 
81
        cms = None
 
82
        ret = []
 
83
        max_count = 1000
 
84
        nextid = self.head
 
85
        while cms != []:
 
86
            cms = self.repository._git.commits(self.head, max_count=max_count, skip=skip)
 
87
            skip += max_count
 
88
            for cm in cms:
 
89
                if cm.id == nextid:
 
90
                    ret.append(ids.convert_revision_id_git_to_bzr(cm.id))
 
91
                    if cm.parents == []:
 
92
                        nextid = None
 
93
                    else:
 
94
                        nextid = cm.parents[0].id
133
95
        ret.reverse()
134
96
        return ret
135
97
 
136
98
    def get_config(self):
137
99
        return GitBranchConfig(self)
138
100
 
 
101
    def lock_read(self):
 
102
        self.control_files.lock_read()
 
103
 
 
104
    def unlock(self):
 
105
        self.control_files.unlock()
 
106
 
 
107
    def get_physical_lock_status(self):
 
108
        return False
 
109
 
139
110
    def get_push_location(self):
140
111
        """See Branch.get_push_location."""
141
112
        push_loc = self.get_config().get_user_option('push_location')
147
118
                                          local=True)
148
119
 
149
120
    def supports_tags(self):
150
 
        return True
151
 
 
152
 
    def sprout(self, to_bzrdir, revision_id=None):
153
 
        """See Branch.sprout()."""
154
 
        result = to_bzrdir.create_branch()
155
 
        self.copy_content_into(result, revision_id=revision_id)
156
 
        result.set_parent(self.bzrdir.root_transport.base)
157
 
        return result
158
 
 
 
121
        return False