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  • Committer: Jelmer Vernooij
  • Date: 2008-12-25 01:28:00 UTC
  • mto: (0.200.144 dulwich)
  • mto: This revision was merged to the branch mainline in revision 6960.
  • Revision ID: jelmer@samba.org-20081225012800-96iswmhsbn3wlyz6
Update copyright years.

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repository.py
21
21
 
22
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import bzrlib
23
23
from bzrlib import (
 
24
    deprecated_graph,
24
25
    errors,
25
26
    graph,
26
27
    inventory,
28
29
    repository,
29
30
    revision,
30
31
    revisiontree,
31
 
    ui,
32
32
    urlutils,
 
33
    versionedfile,
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    )
34
35
from bzrlib.foreign import (
35
 
        ForeignRepository,
 
36
        ForeignRevision,
36
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        )
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from bzrlib.trace import mutter
38
39
from bzrlib.transport import get_transport
39
40
 
40
41
from bzrlib.plugins.git.foreign import (
 
42
    ForeignRepository,
41
43
    versionedfiles,
42
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    )
43
 
from bzrlib.plugins.git.mapping import default_mapping, mapping_registry, inventory_to_tree_and_blobs, revision_to_commit
44
 
from bzrlib.plugins.git.versionedfiles import GitTexts
 
45
from bzrlib.plugins.git.mapping import default_mapping
45
46
 
46
 
import dulwich as git
 
47
from bzrlib.plugins.git import git
47
48
 
48
49
 
49
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class GitTags(object):
61
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    _serializer = None
62
63
 
63
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    def __init__(self, gitdir, lockfiles):
64
 
        ForeignRepository.__init__(self, GitFormat(), gitdir, lockfiles)
65
 
        from bzrlib.plugins.git import fetch
66
 
        repository.InterRepository.register_optimiser(fetch.InterGitRepository)
67
 
        repository.InterRepository.register_optimiser(fetch.InterGitNonGitRepository)
68
 
 
69
 
    def is_shared(self):
70
 
        return True
71
 
 
72
 
    def supports_rich_root(self):
73
 
        return True
74
 
 
75
 
    def _warn_if_deprecated(self):
76
 
        # This class isn't deprecated
77
 
        pass
78
 
 
79
 
    def get_mapping(self):
80
 
        return default_mapping
81
 
 
82
 
    def make_working_trees(self):
83
 
        return True
84
 
 
85
 
 
86
 
class LocalGitRepository(GitRepository):
87
 
 
88
 
    def __init__(self, gitdir, lockfiles):
89
65
        # FIXME: This also caches negatives. Need to be more careful 
90
66
        # about this once we start writing to git
91
67
        self._parents_provider = graph.CachingParentsProvider(self)
92
 
        GitRepository.__init__(self, gitdir, lockfiles)
 
68
        ForeignRepository.__init__(self, GitFormat(), gitdir, lockfiles)
93
69
        self.base = gitdir.root_transport.base
 
70
        self.bzrdir = gitdir
94
71
        self._git = gitdir._git
95
72
        self.texts = None
96
73
        self.signatures = versionedfiles.VirtualSignatureTexts(self)
97
74
        self.revisions = versionedfiles.VirtualRevisionTexts(self)
98
 
        self.inventories = versionedfiles.VirtualInventoryTexts(self)
99
 
        self.texts = GitTexts(self)
100
75
        self.tags = GitTags(self._git.get_tags())
 
76
        from bzrlib.plugins.git import fetch
 
77
        repository.InterRepository.register_optimiser(fetch.InterFromGitRepository)
101
78
 
102
79
    def all_revision_ids(self):
103
80
        ret = set([revision.NULL_REVISION])
110
87
            ret.add(rev)
111
88
        return ret
112
89
 
 
90
    def is_shared(self):
 
91
        return True
 
92
 
 
93
    def supports_rich_root(self):
 
94
        return True
 
95
 
113
96
    #def get_revision_delta(self, revision_id):
114
97
    #    parent_revid = self.get_revision(revision_id).parent_ids[0]
115
98
    #    diff = self._git.diff(ids.convert_revision_id_bzr_to_git(parent_revid),
127
110
            if revision_id == revision.NULL_REVISION:
128
111
                parent_map[revision_id] = ()
129
112
                continue
130
 
            hexsha, mapping = self.lookup_git_revid(revision_id)
 
113
            hexsha = self.lookup_git_revid(revision_id, self.get_mapping())
131
114
            commit  = self._git.commit(hexsha)
132
115
            if commit is None:
133
116
                continue
134
117
            else:
135
 
                parent_map[revision_id] = [mapping.revision_id_foreign_to_bzr(p) for p in commit.parents]
 
118
                parent_map[revision_id] = [self.get_mapping().revision_id_foreign_to_bzr(p) for p in commit.parents]
136
119
        return parent_map
137
120
 
138
121
    def get_ancestry(self, revision_id, topo_sorted=True):
150
133
        ancestry.reverse()
151
134
        return ancestry
152
135
 
153
 
    def import_revision_gist(self, source, revid, parent_lookup):
154
 
        """Impor the gist of another revision into this Git repository.
155
 
 
156
 
        """
157
 
        objects = []
158
 
        rev = source.get_revision(revid)
159
 
        for sha, object, path in inventory_to_tree_and_blobs(source, None, revid):
160
 
            if path == "":
161
 
                tree_sha = sha
162
 
            objects.append((object, path))
163
 
        commit = revision_to_commit(rev, tree_sha, parent_lookup)
164
 
        objects.append((commit, None))
165
 
        self._git.object_store.add_objects(objects)
166
 
        return commit.sha().hexdigest()
167
 
 
168
 
    def dfetch(self, source, stop_revision):
169
 
        if stop_revision is None:
170
 
            raise NotImplementedError
171
 
        revidmap = {}
172
 
        gitidmap = {}
173
 
        todo = []
174
 
        source.lock_write()
175
 
        try:
176
 
            graph = source.get_graph()
177
 
            ancestry = [x for x in source.get_ancestry(stop_revision) if x is not None]
178
 
            for revid in graph.iter_topo_order(ancestry):
179
 
                if not self.has_revision(revid):
180
 
                    todo.append(revid)
181
 
            pb = ui.ui_factory.nested_progress_bar()
182
 
            try:
183
 
                for i, revid in enumerate(todo):
184
 
                    pb.update("pushing revisions", i, len(todo))
185
 
                    git_commit = self.import_revision_gist(source, revid, gitidmap.__getitem__)
186
 
                    gitidmap[revid] = git_commit
187
 
                    git_revid = self.get_mapping().revision_id_foreign_to_bzr(git_commit)
188
 
                    revidmap[revid] = git_revid
189
 
            finally:
190
 
                pb.finished()
191
 
            source.fetch(self, revision_id=revidmap[stop_revision])
192
 
        finally:
193
 
            source.unlock()
194
 
        return revidmap
 
136
    def _warn_if_deprecated(self):
 
137
        # This class isn't deprecated
 
138
        pass
195
139
 
196
140
    def get_signature_text(self, revision_id):
197
141
        raise errors.NoSuchRevision(self, revision_id)
208
152
    def has_signature_for_revision_id(self, revision_id):
209
153
        return False
210
154
 
211
 
    def lookup_git_revid(self, bzr_revid):
 
155
    def get_mapping(self):
 
156
        return default_mapping
 
157
 
 
158
    def lookup_git_revid(self, bzr_revid, mapping):
212
159
        try:
213
 
            return mapping_registry.revision_id_bzr_to_foreign(bzr_revid)
 
160
            return mapping.revision_id_bzr_to_foreign(bzr_revid)
214
161
        except errors.InvalidRevisionId:
215
162
            raise errors.NoSuchRevision(self, bzr_revid)
216
163
 
217
164
    def get_revision(self, revision_id):
218
 
        git_commit_id, mapping = self.lookup_git_revid(revision_id)
219
 
        try:
220
 
            commit = self._git.commit(git_commit_id)
221
 
        except KeyError:
 
165
        git_commit_id = self.lookup_git_revid(revision_id, self.get_mapping())
 
166
        commit = self._git.commit(git_commit_id)
 
167
        # print "fetched revision:", git_commit_id
 
168
        if commit is None:
222
169
            raise errors.NoSuchRevision(self, revision_id)
223
 
        # print "fetched revision:", git_commit_id
224
 
        revision = mapping.import_commit(commit)
 
170
        revision = self._parse_rev(commit, self.get_mapping())
225
171
        assert revision is not None
226
172
        return revision
227
173
 
236
182
    def get_revisions(self, revids):
237
183
        return [self.get_revision(r) for r in revids]
238
184
 
 
185
    @classmethod
 
186
    def _parse_rev(klass, commit, mapping):
 
187
        """Convert a git commit to a bzr revision.
 
188
 
 
189
        :return: a `bzrlib.revision.Revision` object.
 
190
        """
 
191
        if commit is None:
 
192
            raise AssertionError("Commit object can't be None")
 
193
        rev = ForeignRevision(commit.id, mapping, mapping.revision_id_foreign_to_bzr(commit.id))
 
194
        rev.parent_ids = tuple([mapping.revision_id_foreign_to_bzr(p) for p in commit.parents])
 
195
        rev.message = commit.message.decode("utf-8", "replace")
 
196
        rev.committer = str(commit.committer).decode("utf-8", "replace")
 
197
        if commit.committer != commit.author:
 
198
            rev.properties['author'] = str(commit.author).decode("utf-8", "replace")
 
199
        rev.timestamp = commit.commit_time
 
200
        rev.timezone = 0
 
201
        return rev
 
202
 
239
203
    def revision_trees(self, revids):
240
204
        for revid in revids:
241
205
            yield self.revision_tree(revid)
257
221
    def set_make_working_trees(self, trees):
258
222
        pass
259
223
 
260
 
    def fetch_objects(self, determine_wants, graph_walker, resolve_ext_ref, progress=None):
261
 
        return self._git.fetch_objects(determine_wants, graph_walker, progress)
 
224
 
 
225
def escape_file_id(file_id):
 
226
    return file_id.replace('_', '__').replace(' ', '_s')
 
227
 
 
228
 
 
229
def unescape_file_id(file_id):
 
230
    return file_id.replace("_s", " ").replace("__", "_")
262
231
 
263
232
 
264
233
class GitRevisionTree(revisiontree.RevisionTree):
266
235
    def __init__(self, repository, revision_id):
267
236
        self._repository = repository
268
237
        self.revision_id = revision_id
269
 
        assert isinstance(revision_id, str)
270
 
        git_id, self.mapping = repository.lookup_git_revid(revision_id)
271
 
        try:
272
 
            commit = repository._git.commit(git_id)
273
 
        except KeyError, r:
274
 
            raise errors.NoSuchRevision(repository, revision_id)
275
 
        self.tree = commit.tree
 
238
        git_id = repository.lookup_git_revid(revision_id, repository.get_mapping())
 
239
        self.tree = repository._git.commit(git_id).tree
276
240
        self._inventory = inventory.Inventory(revision_id=revision_id)
277
241
        self._inventory.root.revision = revision_id
278
242
        self._build_inventory(self.tree, self._inventory.root, "")
287
251
 
288
252
    def _build_inventory(self, tree_id, ie, path):
289
253
        assert isinstance(path, str)
290
 
        tree = self._repository._git.tree(tree_id)
 
254
        tree = self._repository._git.get_tree(tree_id)
291
255
        for mode, name, hexsha in tree.entries():
292
256
            basename = name.decode("utf-8")
293
257
            if path == "":
294
258
                child_path = name
295
259
            else:
296
260
                child_path = urlutils.join(path, name)
297
 
            file_id = self.mapping.generate_file_id(child_path)
 
261
            file_id = escape_file_id(child_path.encode('utf-8'))
298
262
            entry_kind = (mode & 0700000) / 0100000
299
263
            if entry_kind == 0:
300
264
                child_ie = inventory.InventoryDirectory(file_id, basename, ie.file_id)