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Viewing changes to bzrlib/memorytree.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-03-24 23:19:12 UTC
  • mfrom: (4190.1.6 integration)
  • Revision ID: pqm@pqm.ubuntu.com-20090324231912-rb0kgktzkvge8aea
(robertc) Negatively cache ghosts and misses during read-locks in
        RemoteRepository. (Robert Collins, Andrew Bennetts)

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Lines of Context:
bzrlib/memorytree.py
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    def _populate_from_branch(self):
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        """Populate the in-tree state from the branch."""
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        self._basis_tree = self.branch.repository.revision_tree(
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            self._branch_revision_id)
 
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        self._set_basis()
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        if self._branch_revision_id == _mod_revision.NULL_REVISION:
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            self._parent_ids = []
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        else:
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            _mod_revision.check_not_reserved_id(revision_id)
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        if len(revision_ids) == 0:
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            self._parent_ids = []
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            self._basis_tree = self.branch.repository.revision_tree(
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                                    _mod_revision.NULL_REVISION)
 
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            self._branch_revision_id = _mod_revision.NULL_REVISION
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        else:
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            self._parent_ids = revision_ids
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            self._basis_tree = self.branch.repository.revision_tree(
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                                    revision_ids[0])
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            self._branch_revision_id = revision_ids[0]
 
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        self._allow_leftmost_as_ghost = allow_leftmost_as_ghost
 
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        self._set_basis()
 
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    def _set_basis(self):
 
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        try:
 
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            self._basis_tree = self.branch.repository.revision_tree(
 
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                self._branch_revision_id)
 
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        except errors.NoSuchRevision:
 
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            if self._allow_leftmost_as_ghost:
 
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                self._basis_tree = self.branch.repository.revision_tree(
 
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                    _mod_revision.NULL_REVISION)
 
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            else:
 
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                raise
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    def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
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        """See MutableTree.set_parent_trees()."""