/brz/remove-bazaar

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  • Committer: Robert Collins
  • Date: 2010-05-06 11:08:10 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506110810-h3j07fh5gmw54s25
Cleaner matcher matching revised unlocking protocol.

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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
 
 
32
 
class cmd_git_import(Command):
33
 
    """Import all branches from a git repository.
34
 
 
35
 
    """
36
 
 
37
 
    takes_args = ["src_location", "dest_location?"]
38
 
 
39
 
    def run(self, src_location, dest_location=None):
40
 
        import os
41
 
        from bzrlib import (
42
 
            ui,
43
 
            urlutils,
44
 
            )
45
 
        from bzrlib.bzrdir import (
46
 
            BzrDir,
47
 
            )
48
 
        from bzrlib.errors import (
49
 
            BzrCommandError,
50
 
            NoRepositoryPresent,
51
 
            NotBranchError,
52
 
            )
53
 
        from bzrlib.repository import (
54
 
            InterRepository,
55
 
            Repository,
56
 
            )
57
 
        from bzrlib.plugins.git.branch import (
58
 
            GitBranch,
59
 
            extract_tags,
60
 
            )
61
 
        from bzrlib.plugins.git.repository import GitRepository
62
 
 
63
 
        if dest_location is None:
64
 
            dest_location = os.path.basename(src_location.rstrip("/\\"))
65
 
 
66
 
        source_repo = Repository.open(src_location)
67
 
        if not isinstance(source_repo, GitRepository):
68
 
            raise BzrCommandError("%r is not a git repository" % src_location)
69
 
        try:
70
 
            target_bzrdir = BzrDir.open(dest_location)
71
 
        except NotBranchError:
72
 
            target_bzrdir = BzrDir.create(dest_location)
73
 
        try:
74
 
            target_repo = target_bzrdir.find_repository()
75
 
        except NoRepositoryPresent:
76
 
            target_repo = target_bzrdir.create_repository(shared=True)
77
 
 
78
 
        if not target_repo.supports_rich_root():
79
 
            raise BzrCommandError("Target repository doesn't support rich roots")
80
 
 
81
 
        interrepo = InterRepository.get(source_repo, target_repo)
82
 
        mapping = source_repo.get_mapping()
83
 
        refs = interrepo.fetch()
84
 
        tags = {}
85
 
        for k, v in extract_tags(refs).iteritems():
86
 
            tags[k] = mapping.revision_id_foreign_to_bzr(v)
87
 
        pb = ui.ui_factory.nested_progress_bar()
88
 
        try:
89
 
            for i, (name, ref) in enumerate(refs.iteritems()):
90
 
                if name.startswith("refs/tags/"):
91
 
                    continue
92
 
                pb.update("creating branches", i, len(refs))
93
 
                head_loc = os.path.join(dest_location, name)
94
 
                try:
95
 
                    head_bzrdir = BzrDir.open(head_loc)
96
 
                except NotBranchError:
97
 
                    parent_path = urlutils.dirname(head_loc)
98
 
                    if not os.path.isdir(parent_path):
99
 
                        os.makedirs(parent_path)
100
 
                    head_bzrdir = BzrDir.create(head_loc)
101
 
                try:
102
 
                    head_branch = head_bzrdir.open_branch()
103
 
                except NotBranchError:
104
 
                    head_branch = head_bzrdir.create_branch()
105
 
                revid = mapping.revision_id_foreign_to_bzr(ref)
106
 
                source_branch = GitBranch(source_repo.bzrdir, source_repo,
107
 
                    name, None, tags)
108
 
                source_branch.head = ref
109
 
                if head_branch.last_revision() != revid:
110
 
                    head_branch.generate_revision_history(revid)
111
 
                source_branch.tags.merge_to(head_branch.tags)
112
 
        finally:
113
 
            pb.finished()
114
 
 
115
 
 
116
 
class cmd_git_object(Command):
117
 
    """List or display Git objects by SHA.
118
 
 
119
 
    Cat a particular object's Git representation if a SHA is specified.
120
 
    List all available SHAs otherwise.
121
 
    """
122
 
 
123
 
    hidden = True
124
 
 
125
 
    aliases = ["git-objects", "git-cat"]
126
 
    takes_args = ["sha1?"]
127
 
    takes_options = [Option('directory',
128
 
        short_name='d',
129
 
        help='Location of repository.', type=unicode),
130
 
        Option('pretty', help='Pretty-print objects.')]
131
 
    encoding_type = 'exact'
132
 
 
133
 
    @display_command
134
 
    def run(self, sha1=None, directory=".", pretty=False):
135
 
        from bzrlib.errors import (
136
 
            BzrCommandError,
137
 
            )
138
 
        from bzrlib.bzrdir import (
139
 
            BzrDir,
140
 
            )
141
 
        bzrdir, _ = BzrDir.open_containing(directory)
142
 
        repo = bzrdir.find_repository()
143
 
        from bzrlib.plugins.git.object_store import (
144
 
            get_object_store,
145
 
            )
146
 
        object_store = get_object_store(repo)
147
 
        repo.lock_read()
148
 
        try:
149
 
            if sha1 is not None:
150
 
                try:
151
 
                    obj = object_store[str(sha1)]
152
 
                except KeyError:
153
 
                    raise BzrCommandError("Object not found: %s" % sha1)
154
 
                if pretty:
155
 
                    text = obj.as_pretty_string()
156
 
                else:
157
 
                    text = obj.as_raw_string()
158
 
                self.outf.write(text)
159
 
            else:
160
 
                for sha1 in object_store:
161
 
                    self.outf.write("%s\n" % sha1)
162
 
        finally:
163
 
            repo.unlock()
164
 
 
165
 
 
166
 
class cmd_git_refs(Command):
167
 
    """Output all of the virtual refs for a repository.
168
 
 
169
 
    """
170
 
 
171
 
    hidden = True
172
 
 
173
 
    takes_options = [Option('directory',
174
 
        short_name='d',
175
 
        help='Location of repository.', type=unicode)]
176
 
 
177
 
    @display_command
178
 
    def run(self, directory="."):
179
 
        from bzrlib.bzrdir import (
180
 
            BzrDir,
181
 
            )
182
 
        from bzrlib.plugins.git.refs import (
183
 
            BazaarRefsContainer,
184
 
            )
185
 
        from bzrlib.plugins.git.object_store import (
186
 
            get_object_store,
187
 
            )
188
 
        bzrdir, _ = BzrDir.open_containing(directory)
189
 
        repo = bzrdir.find_repository()
190
 
        repo.lock_read()
191
 
        try:
192
 
            object_store = get_object_store(repo)
193
 
            refs = BazaarRefsContainer(bzrdir, object_store)
194
 
            for k, v in refs.as_dict().iteritems():
195
 
                self.outf.write("%s -> %s\n" % (k, v))
196
 
        finally:
197
 
            repo.unlock()
198
 
 
199
 
 
200
 
class cmd_git_apply(Command):
201
 
    """Apply a series of git-am style patches.
202
 
 
203
 
    This command will in the future probably be integrated into 
204
 
    "bzr pull".
205
 
    """
206
 
 
207
 
    takes_args = ["patches*"]
208
 
 
209
 
    def _apply_patch(self, wt, f):
210
 
        from dulwich.patch import git_am_patch_split
211
 
        (c, diff, version) = git_am_patch_split(f)
212
 
        # FIXME: Process diff
213
 
        wt.commit(committer=c.committer,
214
 
                  message=c.message)
215
 
 
216
 
    def run(self, patches_list=None):
217
 
        from bzrlib.workingtree import WorkingTree
218
 
        if patches_list is None:
219
 
            patches_list = []
220
 
        
221
 
        tree, _ = WorkingTree.open_containing(".")
222
 
        tree.lock_write()
223
 
        try:
224
 
            for patch in patches_list:
225
 
                f = open(patch, 'r')
226
 
                try:
227
 
                    self._apply_patch(tree, f)
228
 
                finally:
229
 
                    f.close()
230
 
        finally:
231
 
            tree.unlock()