/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 server.py

Run bzrlib foreign tests.

Show diffs side-by-side

added added

removed removed

Lines of Context:
server.py
 
1
# Copyright (C) 2008 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
import os
 
18
import tempfile
 
19
 
 
20
from dulwich.server import TCPGitServer
 
21
 
 
22
from bzrlib.bzrdir import (
 
23
    BzrDir,
 
24
    BzrDirFormat,
 
25
    )
 
26
from bzrlib.repository import (
 
27
    Repository,
 
28
    )
 
29
 
 
30
from bzrlib.plugins.git.fetch import (
 
31
    import_git_objects,
 
32
    BazaarObjectStore,
 
33
    )
 
34
from bzrlib.plugins.git.mapping import (
 
35
    default_mapping,
 
36
    )
 
37
from bzrlib.plugins.git.object_store import (
 
38
    get_object_store
 
39
    )
 
40
 
 
41
from dulwich.server import (
 
42
    Backend,
 
43
    )
 
44
from dulwich.pack import (
 
45
    Pack,
 
46
    PackData,
 
47
    write_pack_index_v2,
 
48
    )
 
49
 
 
50
 
 
51
class BzrBackend(Backend):
 
52
 
 
53
    def __init__(self, transport):
 
54
        self.transport = transport
 
55
        self.mapping = default_mapping
 
56
 
 
57
    def get_refs(self):
 
58
        """ return a dict of all tags and branches in repository (and shas) """
 
59
        ret = {}
 
60
        repo_dir = BzrDir.open_from_transport(self.transport)
 
61
        repo = repo_dir.find_repository()
 
62
        repo.lock_read()
 
63
        try:
 
64
            store = get_object_store(repo)
 
65
            branch = None
 
66
            for branch in repo.find_branches(using=True):
 
67
                #FIXME: Look for 'master' or 'trunk' in here, and set HEAD accordingly...
 
68
                #FIXME: Need to get branch path relative to its repository and use this instead of nick
 
69
                ret["refs/heads/"+branch.nick] = store._lookup_revision_sha1(branch.last_revision())
 
70
            if 'HEAD' not in ret and branch:
 
71
                ret['HEAD'] = store._lookup_revision_sha1(branch.last_revision())
 
72
        finally:
 
73
            repo.unlock()
 
74
        return ret
 
75
 
 
76
    def apply_pack(self, refs, read):
 
77
        """ apply pack from client to current repository """
 
78
 
 
79
        fd, path = tempfile.mkstemp(suffix=".pack")
 
80
        f = os.fdopen(fd, 'w')
 
81
        f.write(read())
 
82
        f.close()
 
83
 
 
84
        p = PackData(path)
 
85
        entries = p.sorted_entries()
 
86
        write_pack_index_v2(path[:-5]+".idx", entries, p.calculate_checksum())
 
87
 
 
88
        def get_objects():
 
89
            pack = Pack(path[:-5])
 
90
            for obj in pack.iterobjects():
 
91
                yield obj
 
92
 
 
93
        target = Repository.open_from_transport(self.transport)
 
94
 
 
95
        target.lock_write()
 
96
        try:
 
97
            target.start_write_group()
 
98
            try:
 
99
                import_git_objects(target, self.mapping, iter(get_objects()))
 
100
            finally:
 
101
                target.commit_write_group()
 
102
        finally:
 
103
            target.unlock()
 
104
 
 
105
        for oldsha, sha, ref in refs:
 
106
            if ref[:11] == 'refs/heads/':
 
107
                branch_nick = ref[11:]
 
108
                transport = self.transport.clone(branch_nick)
 
109
 
 
110
                try:
 
111
                    target_dir = BzrDir.open_from_transport(transport)
 
112
                except:
 
113
                    format = BzrDirFormat.get_default_format()
 
114
                    format.initialize_on_transport(transport)
 
115
 
 
116
                try:
 
117
                    target_branch = target_dir.open_branch()
 
118
                except:
 
119
                    target_branch = target_dir.create_branch()
 
120
 
 
121
                rev_id = self.mapping.revision_id_foreign_to_bzr(sha)
 
122
                target_branch.generate_revision_history(rev_id)
 
123
 
 
124
    def fetch_objects(self, determine_wants, graph_walker, progress):
 
125
        """ yield git objects to send to client """
 
126
        bzrdir = BzrDir.open_from_transport(self.transport)
 
127
        repo = bzrdir.find_repository()
 
128
 
 
129
        # If this is a Git repository, just use the existing fetch_objects implementation.
 
130
        if getattr(repo, "fetch_objects", None) is not None:
 
131
            return repo.fetch_objects(determine_wants, graph_walker, None, progress)
 
132
 
 
133
        wants = determine_wants(self.get_refs())
 
134
        graph_walker.reset()
 
135
        repo.lock_read()
 
136
        store = BazaarObjectStore(repo)
 
137
        have = store.find_common_revisions(graph_walker)
 
138
        missing_sha1s = store.find_missing_objects(have, wants, progress)
 
139
        return store.iter_shas(missing_sha1s)
 
140
 
 
141
 
 
142
def serve_git(transport, host=None, port=None, inet=False):
 
143
    backend = BzrBackend(transport)
 
144
 
 
145
    server = TCPGitServer(backend, 'localhost')
 
146
    server.serve_forever()