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Viewing changes to bzrlib/repofmt/pack_repo.py

  • Committer: Jelmer Vernooij
  • Date: 2011-04-05 15:34:09 UTC
  • mto: (5757.7.2 knitpackrepo-6)
  • mto: This revision was merged to the branch mainline in revision 5774.
  • Revision ID: jelmer@samba.org-20110405153409-chtwr25n6wcfo5w3
Move knit-specific constructor to repofmt.knitpack_repo.

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bzrlib/repofmt/pack_repo.py
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from bzrlib.knit import (
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    KnitPlainFactory,
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    KnitVersionedFiles,
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    _KnitGraphIndex,
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    _DirectPackAccess,
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    )
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""")
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    """
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    def __init__(self, _format, a_bzrdir, control_files, _commit_builder_class,
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        _serializer):
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        KnitRepository.__init__(self, _format, a_bzrdir, control_files,
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            _commit_builder_class, _serializer)
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        index_transport = self._transport.clone('indices')
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        self._pack_collection = RepositoryPackCollection(self, self._transport,
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            index_transport,
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            self._transport.clone('upload'),
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            self._transport.clone('packs'),
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            _format.index_builder_class,
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            _format.index_class,
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            use_chk_index=self._format.supports_chks,
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            )
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        self.inventories = KnitVersionedFiles(
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            _KnitGraphIndex(self._pack_collection.inventory_index.combined_index,
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                add_callback=self._pack_collection.inventory_index.add_callback,
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                deltas=True, parents=True, is_locked=self.is_locked),
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            data_access=self._pack_collection.inventory_index.data_access,
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            max_delta_chain=200)
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        self.revisions = KnitVersionedFiles(
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            _KnitGraphIndex(self._pack_collection.revision_index.combined_index,
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                add_callback=self._pack_collection.revision_index.add_callback,
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                deltas=False, parents=True, is_locked=self.is_locked,
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                track_external_parent_refs=True),
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            data_access=self._pack_collection.revision_index.data_access,
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            max_delta_chain=0)
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        self.signatures = KnitVersionedFiles(
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            _KnitGraphIndex(self._pack_collection.signature_index.combined_index,
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                add_callback=self._pack_collection.signature_index.add_callback,
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                deltas=False, parents=False, is_locked=self.is_locked),
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            data_access=self._pack_collection.signature_index.data_access,
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            max_delta_chain=0)
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        self.texts = KnitVersionedFiles(
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            _KnitGraphIndex(self._pack_collection.text_index.combined_index,
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                add_callback=self._pack_collection.text_index.add_callback,
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                deltas=True, parents=True, is_locked=self.is_locked),
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            data_access=self._pack_collection.text_index.data_access,
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            max_delta_chain=200)
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        if _format.supports_chks:
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            # No graph, no compression:- references from chks are between
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            # different objects not temporal versions of the same; and without
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            # some sort of temporal structure knit compression will just fail.
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            self.chk_bytes = KnitVersionedFiles(
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                _KnitGraphIndex(self._pack_collection.chk_index.combined_index,
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                    add_callback=self._pack_collection.chk_index.add_callback,
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                    deltas=False, parents=False, is_locked=self.is_locked),
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                data_access=self._pack_collection.chk_index.data_access,
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                max_delta_chain=0)
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        else:
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            self.chk_bytes = None
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        # True when the repository object is 'write locked' (as opposed to the
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        # physical lock only taken out around changes to the pack-names list.)
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        # Another way to represent this would be a decorator around the control
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        # files object that presents logical locks as physical ones - if this
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        # gets ugly consider that alternative design. RBC 20071011
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        self._write_lock_count = 0
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        self._transaction = None
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        # for tests
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        self._reconcile_does_inventory_gc = True
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        self._reconcile_fixes_text_parents = True
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        self._reconcile_backsup_inventory = False
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    def _abort_write_group(self):
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        self.revisions._index._key_dependencies.clear()
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        self._pack_collection._abort_write_group()