/brz/remove-bazaar

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  • Committer: Robert Collins
  • Date: 2010-05-06 07:48:22 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506074822-0bsgf2j4h8jx0xkk
Added ``bzrlib.tests.matchers`` as a place to put matchers, along with
our first in-tree matcher. See the module docstring for details.
(Robert Collins)

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commands.py
1
 
# Copyright (C) 2006-2009 Canonical Ltd
2
 
 
3
 
# Authors: Robert Collins <robert.collins@canonical.com>
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#          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_import(Command):
36
 
    """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 (
45
 
            ui,
46
 
            urlutils,
47
 
            )
48
 
        from bzrlib.bzrdir import (
49
 
            BzrDir,
50
 
            )
51
 
        from bzrlib.errors import (
52
 
            BzrCommandError,
53
 
            NoRepositoryPresent,
54
 
            NotBranchError,
55
 
            )
56
 
        from bzrlib.repository import (
57
 
            InterRepository,
58
 
            Repository,
59
 
            )
60
 
        from bzrlib.plugins.git.branch import (
61
 
            GitBranch,
62
 
            extract_tags,
63
 
            )
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()
73
 
        try:
74
 
            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:
78
 
            target_repo = target_bzrdir.find_repository()
79
 
        except NoRepositoryPresent:
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            target_repo = target_bzrdir.create_repository(shared=True)
81
 
 
82
 
        if not target_repo.supports_rich_root():
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            raise BzrCommandError("Target repository doesn't support rich roots")
84
 
 
85
 
        interrepo = InterRepository.get(source_repo, target_repo)
86
 
        mapping = source_repo.get_mapping()
87
 
        refs = interrepo.fetch_refs()
88
 
        tags = {}
89
 
        for k, v in extract_tags(refs).iteritems():
90
 
            tags[k] = mapping.revision_id_foreign_to_bzr(v)
91
 
        pb = ui.ui_factory.nested_progress_bar()
92
 
        try:
93
 
            for i, (name, ref) in enumerate(refs.iteritems()):
94
 
                if name.startswith("refs/tags/"):
95
 
                    continue
96
 
                pb.update("creating branches", i, len(refs))
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                head_loc = os.path.join(dest_location, name)
98
 
                try:
99
 
                    head_bzrdir = BzrDir.open(head_loc)
100
 
                except NotBranchError:
101
 
                    parent_path = urlutils.dirname(head_loc)
102
 
                    if not os.path.isdir(parent_path):
103
 
                        os.makedirs(parent_path)
104
 
                    head_bzrdir = BzrDir.create(head_loc, format=format)
105
 
                try:
106
 
                    head_branch = head_bzrdir.open_branch()
107
 
                except NotBranchError:
108
 
                    head_branch = head_bzrdir.create_branch()
109
 
                revid = mapping.revision_id_foreign_to_bzr(ref)
110
 
                source_branch = GitBranch(source_repo.bzrdir, source_repo,
111
 
                    name, None, tags)
112
 
                source_branch.head = ref
113
 
                if head_branch.last_revision() != revid:
114
 
                    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,
144
 
            )
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()