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  • Committer: Andrew Bennetts
  • Date: 2009-06-10 07:52:48 UTC
  • mto: This revision was merged to the branch mainline in revision 4446.
  • Revision ID: andrew.bennetts@canonical.com-20090610075248-1sniwsietj9f1f83
Refactor _extend_partial_history into a standalone function that can be used without a branch.

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bzrlib/repository.py
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            yield versionedfile.FulltextContentFactory(
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                key, parent_keys, None, as_bytes)
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def _iter_for_revno(repo, partial_history_cache, stop_index=None,
 
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                    stop_revision=None):
 
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    """Extend the partial history to include a given index
 
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    If a stop_index is supplied, stop when that index has been reached.
 
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    If a stop_revision is supplied, stop when that revision is
 
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    encountered.  Otherwise, stop when the beginning of history is
 
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    reached.
 
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    :param stop_index: The index which should be present.  When it is
 
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        present, history extension will stop.
 
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    :param stop_revision: The revision id which should be present.  When
 
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        it is encountered, history extension will stop.
 
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    """
 
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    mutter('partial_history_cache: %r', partial_history_cache)
 
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    mutter('stop_index: %d', stop_index)
 
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    start_revision = partial_history_cache[-1]
 
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    iterator = repo.iter_reverse_revision_history(start_revision)
 
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    try:
 
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        #skip the last revision in the list
 
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        next_revision = iterator.next()
 
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        while True:
 
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            if (stop_index is not None and
 
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                len(partial_history_cache) > stop_index):
 
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                break
 
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            revision_id = iterator.next()
 
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            partial_history_cache.append(revision_id)
 
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            if revision_id == stop_revision:
 
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                break
 
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    except StopIteration:
 
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        # No more history
 
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        return
 
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