/brz/remove-bazaar

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  • Committer: Robert Collins
  • Date: 2010-05-05 00:05:29 UTC
  • mto: This revision was merged to the branch mainline in revision 5206.
  • Revision ID: robertc@robertcollins.net-20100505000529-ltmllyms5watqj5u
Make 'pydoc bzrlib.tests.build_tree_shape' useful.

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commands.py
1
 
# Copyright (C) 2006-2009 Canonical Ltd
2
 
 
3
 
# Authors: Robert Collins <robert.collins@canonical.com>
4
 
#          Jelmer Vernooij <jelmer@samba.org>
5
 
#          John Carr <john.carr@unrouted.co.uk>
6
 
#
7
 
# This program is free software; you can redistribute it and/or modify
8
 
# it under the terms of the GNU General Public License as published by
9
 
# the Free Software Foundation; either version 2 of the License, or
10
 
# (at your option) any later version.
11
 
#
12
 
# This program is distributed in the hope that it will be useful,
13
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
 
# GNU General Public License for more details.
16
 
#
17
 
# You should have received a copy of the GNU General Public License
18
 
# along with this program; if not, write to the Free Software
19
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20
 
 
21
 
"""Git-specific subcommands for Bazaar."""
22
 
 
23
 
from bzrlib.commands import (
24
 
    Command,
25
 
    display_command,
26
 
    )
27
 
from bzrlib.option import (
28
 
    Option,
29
 
    )
30
 
 
31
 
from bzrlib.plugins.git import (
32
 
    get_rich_root_format,
33
 
    )
34
 
 
35
 
class cmd_git_serve(Command):
36
 
    """Provide access to a Bazaar branch using the git protocol.
37
 
 
38
 
    This command is experimental and doesn't do much yet.
39
 
    """
40
 
    takes_options = [
41
 
        Option('directory',
42
 
               short_name='d',
43
 
               help='serve contents of directory',
44
 
               type=unicode)
45
 
    ]
46
 
 
47
 
    def run(self, directory=None):
48
 
        lazy_check_versions()
49
 
        from dulwich.server import TCPGitServer
50
 
        from bzrlib.plugins.git.server import BzrBackend
51
 
        from bzrlib.trace import warning
52
 
        import os
53
 
 
54
 
        warning("server support in bzr-git is experimental.")
55
 
 
56
 
        if directory is None:
57
 
            directory = os.getcwd()
58
 
 
59
 
        backend = BzrBackend(directory)
60
 
 
61
 
        server = TCPGitServer(backend, 'localhost')
62
 
        server.serve_forever()
63
 
 
64
 
 
65
 
class cmd_git_import(Command):
66
 
    """Import all branches from a git repository.
67
 
 
68
 
    """
69
 
 
70
 
    takes_args = ["src_location", "dest_location?"]
71
 
 
72
 
    def run(self, src_location, dest_location=None):
73
 
        import os
74
 
        from bzrlib import (
75
 
            ui,
76
 
            urlutils,
77
 
            )
78
 
        from bzrlib.bzrdir import (
79
 
            BzrDir,
80
 
            format_registry,
81
 
            )
82
 
        from bzrlib.errors import (
83
 
            BzrCommandError,
84
 
            NoRepositoryPresent,
85
 
            NotBranchError,
86
 
            )
87
 
        from bzrlib.repository import (
88
 
            InterRepository,
89
 
            Repository,
90
 
            )
91
 
        from bzrlib.plugins.git.branch import GitBranch
92
 
        from bzrlib.plugins.git.repository import GitRepository
93
 
 
94
 
        if dest_location is None:
95
 
            dest_location = os.path.basename(src_location.rstrip("/\\"))
96
 
 
97
 
        source_repo = Repository.open(src_location)
98
 
        if not isinstance(source_repo, GitRepository):
99
 
            raise BzrCommandError("%r is not a git repository" % src_location)
100
 
        format = get_rich_root_format()
101
 
        try:
102
 
            target_bzrdir = BzrDir.open(dest_location)
103
 
        except NotBranchError:
104
 
            target_bzrdir = BzrDir.create(dest_location, format=format)
105
 
        try:
106
 
            target_repo = target_bzrdir.open_repository()
107
 
        except NoRepositoryPresent:
108
 
            target_repo = target_bzrdir.create_repository(shared=True)
109
 
 
110
 
        interrepo = InterRepository.get(source_repo, target_repo)
111
 
        mapping = source_repo.get_mapping()
112
 
        refs = interrepo.fetch_refs()
113
 
        pb = ui.ui_factory.nested_progress_bar()
114
 
        try:
115
 
            for i, (name, ref) in enumerate(refs.iteritems()):
116
 
                if name.startswith("refs/tags/"):
117
 
                    continue
118
 
                pb.update("creating branches", i, len(refs))
119
 
                head_loc = os.path.join(dest_location, name)
120
 
                try:
121
 
                    head_bzrdir = BzrDir.open(head_loc)
122
 
                except NotBranchError:
123
 
                    parent_path = urlutils.dirname(head_loc)
124
 
                    if not os.path.isdir(parent_path):
125
 
                        os.makedirs(parent_path)
126
 
                    head_bzrdir = BzrDir.create(head_loc, format=format)
127
 
                try:
128
 
                    head_branch = head_bzrdir.open_branch()
129
 
                except NotBranchError:
130
 
                    head_branch = head_bzrdir.create_branch()
131
 
                revid = mapping.revision_id_foreign_to_bzr(ref)
132
 
                source_branch = GitBranch(source_repo.bzrdir, source_repo, 
133
 
                    name, None)
134
 
                source_branch.head = ref
135
 
                head_branch.generate_revision_history(revid)
136
 
                source_branch.tags.merge_to(head_branch.tags)
137
 
        finally:
138
 
            pb.finished()
139
 
 
140
 
 
141
 
class cmd_git_object(Command):
142
 
    """List or display Git objects by SHA.
143
 
    
144
 
    Cat a particular object's Git representation if a SHA is specified.
145
 
    List all available SHAs otherwise.
146
 
    """
147
 
 
148
 
    hidden = True
149
 
 
150
 
    aliases = ["git-objects", "git-cat"]
151
 
    takes_args = ["sha1?"]
152
 
    takes_options = [Option('directory', 
153
 
        short_name='d',
154
 
        help='Location of repository.', type=unicode),
155
 
        Option('pretty', help='Pretty-print objects.')]
156
 
    encoding_type = 'exact'
157
 
 
158
 
    @display_command
159
 
    def run(self, sha1=None, directory=".", pretty=False):
160
 
        from bzrlib.errors import (
161
 
            BzrCommandError,
162
 
            )
163
 
        from bzrlib.bzrdir import (
164
 
            BzrDir,
165
 
            )
166
 
        bzrdir, _ = BzrDir.open_containing(directory)
167
 
        repo = bzrdir.find_repository()
168
 
        from bzrlib.plugins.git.object_store import (
169
 
            get_object_store,
170
 
            )
171
 
        object_store = get_object_store(repo)
172
 
        repo.lock_read()
173
 
        try:
174
 
            if sha1 is not None:
175
 
                try:
176
 
                    obj = object_store[sha1]
177
 
                except KeyError:
178
 
                    raise BzrCommandError("Object not found: %s" % sha1)
179
 
                if pretty:
180
 
                    text = obj.as_pretty_string()
181
 
                else:
182
 
                    text = obj.as_raw_string()
183
 
                self.outf.write(text)
184
 
            else:
185
 
                for sha1 in object_store:
186
 
                    self.outf.write("%s\n" % sha1)
187
 
        finally:
188
 
            repo.unlock()