/brz/remove-bazaar

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repository.py
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"""An adapter between a Git Repository and a Bazaar Branch"""
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import bzrlib
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from bzrlib import (
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    errors,
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    graph,
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    inventory,
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    osutils,
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    repository,
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    revision,
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    revisiontree,
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    )
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from bzrlib.plugins.git.tree import (
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    GitRevisionTree,
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    InterGitRevisionTrees,
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    )
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from bzrlib.plugins.git.versionedfiles import (
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    GitRevisions,
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    )
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48
from dulwich.objects import (
 
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    Commit,
 
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    )
 
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52
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class GitRepository(ForeignRepository):
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    """An adapter to git repositories for bzr."""
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            repository.InterRepository.register_optimiser(optimiser)
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    def is_shared(self):
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        return True
 
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        return False
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    def supports_rich_root(self):
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        return True
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76
 
    def _warn_if_deprecated(self):
 
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    def _warn_if_deprecated(self, branch=None):
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        # This class isn't deprecated
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        pass
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        interrepo = repository.InterRepository.get(source, self)
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        return interrepo.dfetch(stop_revision)
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93
 
    def dfetch_refs(self, source, stop_revision):
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        interrepo = repository.InterRepository.get(source, self)
95
 
        return interrepo.dfetch_refs(stop_revision)
96
 
 
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class LocalGitRepository(GitRepository):
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    """Git repository on the file system."""
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    def __init__(self, gitdir, lockfiles):
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        # FIXME: This also caches negatives. Need to be more careful
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        # about this once we start writing to git
104
 
        self._parents_provider = graph.CachingParentsProvider(self)
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        GitRepository.__init__(self, gitdir, lockfiles)
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        self.base = gitdir.root_transport.base
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        self._git = gitdir._git
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        self.inventories = None
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        self.texts = GitTexts(self)
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107
    def _iter_revision_ids(self):
 
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        for sha in self._git.object_store:
 
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            o = self._git.object_store[sha]
 
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            if not isinstance(o, Commit):
 
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                continue
 
112
            rev = self.get_mapping().import_commit(o,
 
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                self.lookup_foreign_revision_id)
 
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            yield o.id, rev.revision_id
 
115
 
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    def all_revision_ids(self):
114
 
        ret = set([revision.NULL_REVISION])
115
 
        heads = self._git.refs.as_dict('refs/heads')
116
 
        if heads == {}:
117
 
            return ret
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        bzr_heads = [self.get_mapping().revision_id_foreign_to_bzr(h) for h in heads.itervalues()]
119
 
        ret = set(bzr_heads)
120
 
        graph = self.get_graph()
121
 
        for rev, parents in graph.iter_ancestry(bzr_heads):
122
 
            ret.add(rev)
 
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        ret = set([])
 
118
        for git_sha, revid in self._iter_revision_ids():
 
119
            ret.add(revid)
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        return ret
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125
 
    def _make_parents_provider(self):
126
 
        """See Repository._make_parents_provider()."""
127
 
        return self._parents_provider
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129
122
    def get_parent_map(self, revids):
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        parent_map = {}
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        for revision_id in revids:
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                continue
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            hexsha, mapping = self.lookup_bzr_revision_id(revision_id)
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            try:
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                commit = self._git.commit(hexsha)
 
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                commit = self._git[hexsha]
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            except KeyError:
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                continue
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            if commit is None:
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                # Older versions of Dulwich used to return None rather than
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                # raise KeyError.
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                continue
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            else:
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                parent_map[revision_id] = [mapping.revision_id_foreign_to_bzr(p) for p in commit.parents]
 
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            parent_map[revision_id] = [self.lookup_foreign_revision_id(p, mapping) for p in commit.parents]
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        return parent_map
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    def get_ancestry(self, revision_id, topo_sorted=True):
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    def get_signature_text(self, revision_id):
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        raise errors.NoSuchRevision(self, revision_id)
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    def pack(self, hint=None, clean_obsolete_packs=False):
 
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        self._git.object_store.pack_loose_objects()
 
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    def lookup_foreign_revision_id(self, foreign_revid, mapping=None):
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        """Lookup a revision id.
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        :param revid: Bazaar revision id.
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        :return: Tuple with git revisionid and mapping.
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        """
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        if mapping is None:
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            mapping = self.get_mapping()
173
 
        return mapping.revision_id_foreign_to_bzr(foreign_revid)
 
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        from dulwich.protocol import (
 
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            ZERO_SHA,
 
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            )
 
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        if foreign_revid == ZERO_SHA:
 
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            return revision.NULL_REVISION
 
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        commit = self._git[foreign_revid]
 
168
        rev = mapping.import_commit(commit, lambda x: None)
 
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        return rev.revision_id
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    def has_signature_for_revision_id(self, revision_id):
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        return False
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173
 
178
 
    def lookup_bzr_revision_id(self, bzr_revid):
 
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    def lookup_bzr_revision_id(self, bzr_revid, mapping=None):
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        try:
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            return mapping_registry.revision_id_bzr_to_foreign(bzr_revid)
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        except errors.InvalidRevisionId:
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            raise errors.NoSuchRevision(self, bzr_revid)
 
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            if mapping is None:
 
179
                mapping = self.get_mapping()
 
180
            try:
 
181
                return self._git.refs[mapping.revid_as_refname(bzr_revid)], mapping
 
182
            except KeyError:
 
183
                # Update refs from Git commit objects
 
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                # FIXME: Hitting this a lot will be very inefficient...
 
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                for git_sha, revid in self._iter_revision_ids():
 
186
                    self._git.refs[mapping.revid_as_refname(revid)] = git_sha
 
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                    if revid == bzr_revid:
 
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                        return git_sha, mapping
 
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                raise errors.NoSuchRevision(self, bzr_revid)
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184
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    def get_revision(self, revision_id):
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        git_commit_id, mapping = self.lookup_bzr_revision_id(revision_id)
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        try:
187
 
            commit = self._git.commit(git_commit_id)
 
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            commit = self._git[git_commit_id]
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        except KeyError:
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            raise errors.NoSuchRevision(self, revision_id)
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        # print "fetched revision:", git_commit_id
191
 
        revision = mapping.import_commit(commit)
 
198
        revision = mapping.import_commit(commit,
 
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            self.lookup_foreign_revision_id)
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        assert revision is not None
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        return revision
194
202
 
195
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    def has_revision(self, revision_id):
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        try:
197
 
            self.get_revision(revision_id)
 
205
            git_commit_id, mapping = self.lookup_bzr_revision_id(revision_id)
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        except errors.NoSuchRevision:
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            return False
200
 
        else:
201
 
            return True
 
208
        return (git_commit_id in self._git)
 
209
 
 
210
    def has_revisions(self, revision_ids):
 
211
        return set(filter(self.has_revision, revision_ids))
202
212
 
203
213
    def get_revisions(self, revids):
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        return [self.get_revision(r) for r in revids]
226
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        progress=None):
227
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        return self._git.fetch_objects(determine_wants, graph_walker, progress)
228
238
 
 
239
    def _get_versioned_file_checker(self, text_key_references=None,
 
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                        ancestors=None):
 
241
        return GitVersionedFileChecker(self,
 
242
            text_key_references=text_key_references, ancestors=ancestors)
 
243
    
 
244
 
 
245
class GitVersionedFileChecker(repository._VersionedFileChecker):
 
246
 
 
247
    file_ids = []
 
248
 
 
249
    def _check_file_version_parents(self, texts, progress_bar):
 
250
        return {}, []
 
251
 
229
252
 
230
253
class GitRepositoryFormat(repository.RepositoryFormat):
231
254
    """Git repository format."""
243
266
        return target_repo_format.rich_root_data
244
267
 
245
268
    def get_foreign_tests_repository_factory(self):
246
 
        from bzrlib.plugins.git.tests.test_repository import ForeignTestsRepositoryFactory
 
269
        from bzrlib.plugins.git.tests.test_repository import (
 
270
            ForeignTestsRepositoryFactory,
 
271
            )
247
272
        return ForeignTestsRepositoryFactory()
248
273
 
249
274
    def network_name(self):