/brz/remove-bazaar

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Viewing changes to commands.py

  • Committer: Invité
  • Date: 2009-05-05 20:43:26 UTC
  • mto: (0.200.441 trunk)
  • mto: This revision was merged to the branch mainline in revision 6960.
  • Revision ID: guest@mirexpress-20090505204326-n0vcprylu2hyzq4v
Ensure git plugin is loaded in bzr-*-pack

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commands.py
 
1
# Copyright (C) 2006-2009 Canonical Ltd
 
2
 
 
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# Authors: Robert Collins <robert.collins@canonical.com>
 
4
#          Jelmer Vernooij <jelmer@samba.org>
 
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#          John Carr <john.carr@unrouted.co.uk>
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# 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
 
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# (at your option) any later version.
 
11
#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# 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
               help='serve contents of directory',
 
43
               type=unicode)
 
44
    ]
 
45
 
 
46
    def run(self, directory=None):
 
47
        lazy_check_versions()
 
48
        from dulwich.server import TCPGitServer
 
49
        from bzrlib.plugins.git.server import BzrBackend
 
50
        from bzrlib.trace import warning
 
51
        import os
 
52
 
 
53
        warning("server support in bzr-git is experimental.")
 
54
 
 
55
        if directory is None:
 
56
            directory = os.getcwd()
 
57
 
 
58
        backend = BzrBackend(directory)
 
59
 
 
60
        server = TCPGitServer(backend, 'localhost')
 
61
        server.serve_forever()
 
62
 
 
63
 
 
64
class cmd_git_import(Command):
 
65
    """Import all branches from a git repository.
 
66
 
 
67
    """
 
68
 
 
69
    takes_args = ["src_location", "dest_location?"]
 
70
 
 
71
    def run(self, src_location, dest_location=None):
 
72
        import os
 
73
        from bzrlib import (
 
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            ui,
 
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            urlutils,
 
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            )
 
77
        from bzrlib.bzrdir import (
 
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            BzrDir,
 
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            format_registry,
 
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            )
 
81
        from bzrlib.errors import (
 
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            BzrCommandError,
 
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            NoRepositoryPresent,
 
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            NotBranchError,
 
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            )
 
86
        from bzrlib.repository import (
 
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            InterRepository,
 
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            Repository,
 
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            )
 
90
        from bzrlib.plugins.git.branch import GitBranch
 
91
        from bzrlib.plugins.git.repository import GitRepository
 
92
 
 
93
        if dest_location is None:
 
94
            dest_location = os.path.basename(src_location.rstrip("/\\"))
 
95
 
 
96
        source_repo = Repository.open(src_location)
 
97
        if not isinstance(source_repo, GitRepository):
 
98
            raise BzrCommandError("%r is not a git repository" % src_location)
 
99
        format = get_rich_root_format()
 
100
        try:
 
101
            target_bzrdir = BzrDir.open(dest_location)
 
102
        except NotBranchError:
 
103
            target_bzrdir = BzrDir.create(dest_location, format=format)
 
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        try:
 
105
            target_repo = target_bzrdir.open_repository()
 
106
        except NoRepositoryPresent:
 
107
            target_repo = target_bzrdir.create_repository(shared=True)
 
108
 
 
109
        interrepo = InterRepository.get(source_repo, target_repo)
 
110
        mapping = source_repo.get_mapping()
 
111
        refs = interrepo.fetch_refs()
 
112
        pb = ui.ui_factory.nested_progress_bar()
 
113
        try:
 
114
            for i, (name, ref) in enumerate(refs.iteritems()):
 
115
                if name.startswith("refs/tags/"):
 
116
                    continue
 
117
                pb.update("creating branches", i, len(refs))
 
118
                head_loc = os.path.join(dest_location, name)
 
119
                try:
 
120
                    head_bzrdir = BzrDir.open(head_loc)
 
121
                except NotBranchError:
 
122
                    parent_path = urlutils.dirname(head_loc)
 
123
                    if not os.path.isdir(parent_path):
 
124
                        os.makedirs(parent_path)
 
125
                    head_bzrdir = BzrDir.create(head_loc, format=format)
 
126
                try:
 
127
                    head_branch = head_bzrdir.open_branch()
 
128
                except NotBranchError:
 
129
                    head_branch = head_bzrdir.create_branch()
 
130
                revid = mapping.revision_id_foreign_to_bzr(ref)
 
131
                source_branch = GitBranch(source_repo.bzrdir, source_repo, 
 
132
                    name, ref, None)
 
133
                head_branch.generate_revision_history(revid)
 
134
                source_branch.tags.merge_to(head_branch.tags)
 
135
        finally:
 
136
            pb.finished()
 
137
 
 
138
 
 
139
def repo_get_object_store(repo):
 
140
    from bzrlib.plugins.git.converter import (
 
141
        BazaarObjectStore,
 
142
        )
 
143
    from bzrlib.plugins.git.mapping import (
 
144
        default_mapping,
 
145
        )
 
146
    from bzrlib.plugins.git.repository import (
 
147
        GitRepository,
 
148
        )
 
149
    if isinstance(repo, GitRepository):
 
150
        return repo._git.object_store
 
151
    else:
 
152
        return BazaarObjectStore(repo, default_mapping)
 
153
 
 
154
 
 
155
class cmd_git_object(Command):
 
156
    """List or display Git objects by SHA.
 
157
    
 
158
    Cat a particular object's Git representation if a SHA is specified.
 
159
    List all available SHAs otherwise.
 
160
    """
 
161
 
 
162
    hidden = True
 
163
 
 
164
    aliases = ["git-objects", "git-cat"]
 
165
    takes_args = ["sha1?"]
 
166
    takes_options = [Option('directory', 
 
167
        help='Location of repository.', type=unicode),
 
168
        Option('pretty', help='Pretty-print objects.')]
 
169
    encoding_type = 'exact'
 
170
 
 
171
    @display_command
 
172
    def run(self, sha1=None, directory=".", pretty=False):
 
173
        from bzrlib.errors import (
 
174
            BzrCommandError,
 
175
            )
 
176
        from bzrlib.bzrdir import (
 
177
            BzrDir,
 
178
            )
 
179
        bzrdir, _ = BzrDir.open_containing(directory)
 
180
        repo = bzrdir.find_repository()
 
181
        object_store = repo_get_object_store(repo)
 
182
        repo.lock_read()
 
183
        try:
 
184
            if sha1 is not None:
 
185
                try:
 
186
                    obj = object_store[sha1]
 
187
                except KeyError:
 
188
                    raise BzrCommandError("Object not found: %s" % sha1)
 
189
                if pretty:
 
190
                    text = obj.as_pretty_string()
 
191
                else:
 
192
                    text = obj.as_raw_string()
 
193
                self.outf.write(text)
 
194
            else:
 
195
                for sha1 in object_store:
 
196
                    self.outf.write("%s\n" % sha1)
 
197
        finally:
 
198
            repo.unlock()