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Viewing changes to bzrlib/repofmt/pack_repo.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2007-11-28 00:59:30 UTC
  • mfrom: (2979.2.5 commit.merge-speed)
  • Revision ID: pqm@pqm.ubuntu.com-20071128005930-4wb5pl12fyq8ek13
(robertc) Change commit on pack repositories to use the per-file
        graph for heads() calculations. (Robert Collins, 165306)

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bzrlib/repofmt/pack_repo.py
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        pack,
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        ui,
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        )
 
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from bzrlib.graph import Graph
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from bzrlib.index import (
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    GraphIndex,
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    GraphIndexBuilder,
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    added text, reducing memory and object pressure.
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    """
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    def __init__(self, repository, parents, config, timestamp=None,
 
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                 timezone=None, committer=None, revprops=None,
 
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                 revision_id=None):
 
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        CommitBuilder.__init__(self, repository, parents, config,
 
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            timestamp=timestamp, timezone=timezone, committer=committer,
 
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            revprops=revprops, revision_id=revision_id)
 
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        self._file_graph = Graph(
 
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            repository._pack_collection.text_index.combined_index)
 
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    def _add_text_to_weave(self, file_id, new_lines, parents, nostore_sha):
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        return self.repository._pack_collection._add_text_to_weave(file_id,
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            self._new_revision_id, new_lines, parents, nostore_sha,
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            self.random_revid)
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    def _heads(self, file_id, revision_ids):
 
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        keys = [(file_id, revision_id) for revision_id in revision_ids]
 
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        return set([key[1] for key in self._file_graph.heads(keys)])
 
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class PackRootCommitBuilder(RootCommitBuilder):
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    """A subclass of RootCommitBuilder to add texts with pack semantics.
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    added text, reducing memory and object pressure.
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    """
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    def __init__(self, repository, parents, config, timestamp=None,
 
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                 timezone=None, committer=None, revprops=None,
 
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                 revision_id=None):
 
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        CommitBuilder.__init__(self, repository, parents, config,
 
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            timestamp=timestamp, timezone=timezone, committer=committer,
 
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            revprops=revprops, revision_id=revision_id)
 
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        self._file_graph = Graph(
 
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            repository._pack_collection.text_index.combined_index)
 
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    def _add_text_to_weave(self, file_id, new_lines, parents, nostore_sha):
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        return self.repository._pack_collection._add_text_to_weave(file_id,
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            self._new_revision_id, new_lines, parents, nostore_sha,
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            self.random_revid)
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    def _heads(self, file_id, revision_ids):
 
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        keys = [(file_id, revision_id) for revision_id in revision_ids]
 
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        return set([key[1] for key in self._file_graph.heads(keys)])
 
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class Pack(object):
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    """An in memory proxy for a pack and its indices.