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class InterToLocalGitRepository(InterToGitRepository):
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"""InterBranch implementation between a Bazaar and a Git repository."""
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def __init__(self, source, target):
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super(InterToLocalGitRepository, self).__init__(source, target)
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self.target_store = self.target._git.object_store
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self.target_refs = self.target._git.refs
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def missing_revisions(self, stop_revisions, check_revid):
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def _revision_needs_fetching(self, revid):
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if revid == NULL_REVISION:
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sha_id = self.source_store._lookup_revision_sha1(revid)
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raise errors.NoSuchRevision(self.source, revid)
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return (sha_id not in self.target_store)
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except errors.NoSuchRevision:
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def missing_revisions(self, stop_revisions):
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"""Find the revisions that are missing from the target repository.
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:param stop_revisions: Revisions to check for
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:return: sequence of missing revisions, in topological order
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:raise: NoSuchRevision if the stop_revisions are not present in
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graph = self.source.get_graph()
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pb = ui.ui_factory.nested_progress_bar()
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for revid, _ in graph.iter_ancestry(stop_revisions):
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assert type(revid) is str
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pb.update("determining revisions to fetch", len(missing))
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if not check_revid(revid):
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if self._revision_needs_fetching(revid):
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missing.append(revid)
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return graph.iter_topo_order(missing)
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def _get_target_bzr_refs(self):
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"""Return a dictionary with references.
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:return: Dictionary with reference names as keys and tuples
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with Git SHA, Bazaar revid as values.
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refs = self.target._git.get_refs()
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for k, v in refs.iteritems():
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(kind, (revid, treesha)) = self.source_store.lookup_git_sha(v)
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bzr_refs[k] = (v, revid)
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def fetch_refs(self, update_refs):
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old_refs = self.target._git.get_refs()
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new_refs = update_refs(old_refs)
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fetch_spec = PendingAncestryResult(new_refs.values(), self.source)
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self.fetch(fetch_spec=fetch_spec)
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self.source.lock_read()
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old_refs = self._get_target_bzr_refs()
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new_refs = update_refs(old_refs)
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# FIXME: Keep track of already looked up revid<->sha mappings
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fetch_spec = PendingAncestryResult(
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[revid for sha, revid in new_refs.values()], self.source)
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self.fetch(fetch_spec=fetch_spec)
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return old_refs, new_refs
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def dfetch_refs(self, update_refs):
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old_refs = self.target._git.get_refs()
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new_refs = update_refs(old_refs)
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revidmap, gitidmap = self.dfetch(new_refs.values())
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for name, revid in new_refs.iteritems():
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gitid = gitidmap[revid]
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gitid = self.source_store._lookup_revision_sha1(revid)
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self.target._git.refs[name] = gitid
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new_refs[name] = revid
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self.source.lock_read()
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old_refs = self._get_target_bzr_refs()
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new_refs = update_refs(old_refs)
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revidmap, gitidmap = self.dfetch(new_refs.values())
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for name, (gitid, revid) in new_refs.iteritems():
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gitid = gitidmap[revid]
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gitid = self.source_store._lookup_revision_sha1(revid)
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self.target._git.refs[name] = gitid
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new_refs[name] = (gitid, self.source_store.lookup_git_sha(gitid)[1][0])
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return revidmap, old_refs, new_refs
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def _find_missing_revs(self, stop_revisions):
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def check_revid(revid):
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if revid == NULL_REVISION:
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sha_id = self.source_store._lookup_revision_sha1(revid)
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return (sha_id in self.target_store)
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except errors.NoSuchRevision:
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return list(self.missing_revisions(stop_revisions, check_revid))
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def _get_missing_objects_iterator(self, pb):
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return MissingObjectsIterator(self.source_store, self.source, pb)