/brz/remove-bazaar

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commands.py
 
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# Copyright (C) 2006-2009 Canonical Ltd
 
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# Authors: Robert Collins <robert.collins@canonical.com>
 
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#          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
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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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
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Git-specific subcommands for Bazaar."""
 
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from bzrlib.commands import (
 
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    Command,
 
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    display_command,
 
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    )
 
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from bzrlib.option import (
 
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    Option,
 
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    )
 
30
 
 
31
from bzrlib.plugins.git import (
 
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    get_rich_root_format,
 
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    )
 
34
 
 
35
class cmd_git_import(Command):
 
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    """Import all branches from a git repository.
 
37
 
 
38
    """
 
39
 
 
40
    takes_args = ["src_location", "dest_location?"]
 
41
 
 
42
    def run(self, src_location, dest_location=None):
 
43
        import os
 
44
        from bzrlib import (
 
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            ui,
 
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            urlutils,
 
47
            )
 
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        from bzrlib.bzrdir import (
 
49
            BzrDir,
 
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            )
 
51
        from bzrlib.errors import (
 
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            BzrCommandError,
 
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            NoRepositoryPresent,
 
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            NotBranchError,
 
55
            )
 
56
        from bzrlib.repository import (
 
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            InterRepository,
 
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            Repository,
 
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            )
 
60
        from bzrlib.plugins.git.branch import (
 
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            GitBranch,
 
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            extract_tags,
 
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            )
 
64
        from bzrlib.plugins.git.repository import GitRepository
 
65
 
 
66
        if dest_location is None:
 
67
            dest_location = os.path.basename(src_location.rstrip("/\\"))
 
68
 
 
69
        source_repo = Repository.open(src_location)
 
70
        if not isinstance(source_repo, GitRepository):
 
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            raise BzrCommandError("%r is not a git repository" % src_location)
 
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        format = get_rich_root_format()
 
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        try:
 
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            target_bzrdir = BzrDir.open(dest_location)
 
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        except NotBranchError:
 
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            target_bzrdir = BzrDir.create(dest_location, format=format)
 
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        try:
 
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            target_repo = target_bzrdir.find_repository()
 
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        except NoRepositoryPresent:
 
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            target_repo = target_bzrdir.create_repository(shared=True)
 
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82
        if not target_repo.supports_rich_root():
 
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            raise BzrCommandError("Target repository doesn't support rich roots")
 
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        interrepo = InterRepository.get(source_repo, target_repo)
 
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        mapping = source_repo.get_mapping()
 
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        refs = interrepo.fetch_refs()
 
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        tags = {}
 
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        for k, v in extract_tags(refs).iteritems():
 
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            tags[k] = mapping.revision_id_foreign_to_bzr(v)
 
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        pb = ui.ui_factory.nested_progress_bar()
 
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        try:
 
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            for i, (name, ref) in enumerate(refs.iteritems()):
 
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                if name.startswith("refs/tags/"):
 
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                    continue
 
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                pb.update("creating branches", i, len(refs))
 
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                head_loc = os.path.join(dest_location, name)
 
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                try:
 
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                    head_bzrdir = BzrDir.open(head_loc)
 
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                except NotBranchError:
 
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                    parent_path = urlutils.dirname(head_loc)
 
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                    if not os.path.isdir(parent_path):
 
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                        os.makedirs(parent_path)
 
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                    head_bzrdir = BzrDir.create(head_loc, format=format)
 
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                try:
 
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                    head_branch = head_bzrdir.open_branch()
 
107
                except NotBranchError:
 
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                    head_branch = head_bzrdir.create_branch()
 
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                revid = mapping.revision_id_foreign_to_bzr(ref)
 
110
                source_branch = GitBranch(source_repo.bzrdir, source_repo,
 
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                    name, None, tags)
 
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                source_branch.head = ref
 
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                if head_branch.last_revision() != revid:
 
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                    head_branch.generate_revision_history(revid)
 
115
                source_branch.tags.merge_to(head_branch.tags)
 
116
        finally:
 
117
            pb.finished()
 
118
 
 
119
 
 
120
class cmd_git_object(Command):
 
121
    """List or display Git objects by SHA.
 
122
 
 
123
    Cat a particular object's Git representation if a SHA is specified.
 
124
    List all available SHAs otherwise.
 
125
    """
 
126
 
 
127
    hidden = True
 
128
 
 
129
    aliases = ["git-objects", "git-cat"]
 
130
    takes_args = ["sha1?"]
 
131
    takes_options = [Option('directory',
 
132
        short_name='d',
 
133
        help='Location of repository.', type=unicode),
 
134
        Option('pretty', help='Pretty-print objects.')]
 
135
    encoding_type = 'exact'
 
136
 
 
137
    @display_command
 
138
    def run(self, sha1=None, directory=".", pretty=False):
 
139
        from bzrlib.errors import (
 
140
            BzrCommandError,
 
141
            )
 
142
        from bzrlib.bzrdir import (
 
143
            BzrDir,
 
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            )
 
145
        bzrdir, _ = BzrDir.open_containing(directory)
 
146
        repo = bzrdir.find_repository()
 
147
        from bzrlib.plugins.git.object_store import (
 
148
            get_object_store,
 
149
            )
 
150
        object_store = get_object_store(repo)
 
151
        repo.lock_read()
 
152
        try:
 
153
            if sha1 is not None:
 
154
                try:
 
155
                    obj = object_store[str(sha1)]
 
156
                except KeyError:
 
157
                    raise BzrCommandError("Object not found: %s" % sha1)
 
158
                if pretty:
 
159
                    text = obj.as_pretty_string()
 
160
                else:
 
161
                    text = obj.as_raw_string()
 
162
                self.outf.write(text)
 
163
            else:
 
164
                for sha1 in object_store:
 
165
                    self.outf.write("%s\n" % sha1)
 
166
        finally:
 
167
            repo.unlock()
 
168
 
 
169
 
 
170
class cmd_git_refs(Command):
 
171
    """Output all of the virtual refs for a repository.
 
172
 
 
173
    """
 
174
 
 
175
    hidden = True
 
176
 
 
177
    takes_options = [Option('directory',
 
178
        short_name='d',
 
179
        help='Location of repository.', type=unicode)]
 
180
 
 
181
    @display_command
 
182
    def run(self, directory="."):
 
183
        from bzrlib.bzrdir import (
 
184
            BzrDir,
 
185
            )
 
186
        from bzrlib.plugins.git.refs import (
 
187
            BazaarRefsContainer,
 
188
            )
 
189
        from bzrlib.plugins.git.object_store import (
 
190
            get_object_store,
 
191
            )
 
192
        bzrdir, _ = BzrDir.open_containing(directory)
 
193
        repo = bzrdir.find_repository()
 
194
        repo.lock_read()
 
195
        try:
 
196
            object_store = get_object_store(repo)
 
197
            refs = BazaarRefsContainer(bzrdir, object_store)
 
198
            for k, v in refs.as_dict().iteritems():
 
199
                self.outf.write("%s -> %s\n" % (k, v))
 
200
        finally:
 
201
            repo.unlock()