/brz/remove-bazaar

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commands.py
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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."""
23
22
 
24
 
from bzrlib.commands import Command
25
 
from bzrlib.option import Option
26
 
 
27
 
class cmd_git_serve(Command):
28
 
    """Provide access to a Bazaar branch using the git protocol.
29
 
 
30
 
    This command is experimental and doesn't do much yet.
31
 
    """
32
 
    takes_options = [
33
 
        Option('directory',
34
 
               help='serve contents of directory',
35
 
               type=unicode)
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    ]
37
 
 
38
 
    def run(self, directory=None):
39
 
        lazy_check_versions()
40
 
        from dulwich.server import TCPGitServer
41
 
        from bzrlib.plugins.git.server import BzrBackend
42
 
        from bzrlib.trace import warning
43
 
        import os
44
 
 
45
 
        warning("server support in bzr-git is experimental.")
46
 
 
47
 
        if directory is None:
48
 
            directory = os.getcwd()
49
 
 
50
 
        backend = BzrBackend(directory)
51
 
 
52
 
        server = TCPGitServer(backend, 'localhost')
53
 
        server.serve_forever()
 
23
from bzrlib.commands import (
 
24
    Command,
 
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    display_command,
 
26
    )
 
27
from bzrlib.option import (
 
28
    Option,
 
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    )
 
30
 
54
31
 
55
32
class cmd_git_import(Command):
56
33
    """Import all branches from a git repository.
57
34
 
58
35
    """
59
36
 
60
 
    takes_args = ["src_location", "dest_location"]
61
 
 
62
 
    def run(self, src_location, dest_location):
63
 
        from bzrlib.bzrdir import BzrDir, format_registry
64
 
        from bzrlib.errors import NoRepositoryPresent, NotBranchError
65
 
        from bzrlib.repository import Repository
 
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
66
        source_repo = Repository.open(src_location)
67
 
        format = format_registry.make_bzrdir('rich-root-pack')
 
67
        if not isinstance(source_repo, GitRepository):
 
68
            raise BzrCommandError("%r is not a git repository" % src_location)
68
69
        try:
69
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            target_bzrdir = BzrDir.open(dest_location)
70
71
        except NotBranchError:
71
 
            target_bzrdir = BzrDir.create(dest_location, format=format)
 
72
            target_bzrdir = BzrDir.create(dest_location)
72
73
        try:
73
 
            target_repo = target_bzrdir.open_repository()
 
74
            target_repo = target_bzrdir.find_repository()
74
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        except NoRepositoryPresent:
75
76
            target_repo = target_bzrdir.create_repository(shared=True)
76
77
 
77
 
        target_repo.fetch(source_repo)
78
 
        for name, ref in source_repo._git.heads().iteritems():
79
 
            head_loc = os.path.join(dest_location, name)
80
 
            try:
81
 
                head_bzrdir = BzrDir.open(head_loc)
82
 
            except NotBranchError:
83
 
                head_bzrdir = BzrDir.create(head_loc, format=format)
84
 
            try:
85
 
                head_branch = head_bzrdir.open_branch()
86
 
            except NotBranchError:
87
 
                head_branch = head_bzrdir.create_branch()
88
 
            head_branch.generate_revision_history(source_repo.get_mapping().revision_id_foreign_to_bzr(ref))
89
 
 
 
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()