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  • Committer: Patch Queue Manager
  • Date: 2011-12-15 18:13:52 UTC
  • mfrom: (6376.1.1 904744-log-fallback)
  • Revision ID: pqm@pqm.ubuntu.com-20111215181352-gsrdj3ma7273pzkt
(vila) Relax constraints on bzr log -rX..Y by falling back to the slower
 implementation when needed (Vincent Ladeuil)

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bzrlib/log.py
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        and (not generate_merge_revisions
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             or not _has_merges(branch, end_rev_id))):
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        # If a single revision is requested, check we can handle it
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        iter_revs = _generate_one_revision(branch, end_rev_id, br_rev_id,
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                                           br_revno)
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    elif not generate_merge_revisions:
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        # If we only want to see linear revisions, we can iterate ...
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        iter_revs = _generate_flat_revisions(branch, start_rev_id, end_rev_id,
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                                             direction, exclude_common_ancestry)
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        if direction == 'forward':
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            iter_revs = reversed(iter_revs)
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    else:
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        iter_revs = _generate_all_revisions(branch, start_rev_id, end_rev_id,
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                                            direction, delayed_graph_generation,
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                                            exclude_common_ancestry)
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        if direction == 'forward':
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            iter_revs = _rebase_merge_depth(reverse_by_depth(list(iter_revs)))
 
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        return  _generate_one_revision(branch, end_rev_id, br_rev_id,
 
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                                       br_revno)
 
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    if not generate_merge_revisions:
 
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        try:
 
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            # If we only want to see linear revisions, we can iterate ...
 
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            iter_revs = _linear_view_revisions(
 
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                branch, start_rev_id, end_rev_id,
 
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                exclude_common_ancestry=exclude_common_ancestry)
 
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            # If a start limit was given and it's not obviously an
 
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            # ancestor of the end limit, check it before outputting anything
 
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            if (direction == 'forward'
 
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                or (start_rev_id and not _is_obvious_ancestor(
 
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                        branch, start_rev_id, end_rev_id))):
 
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                    iter_revs = list(iter_revs)
 
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            if direction == 'forward':
 
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                iter_revs = reversed(iter_revs)
 
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            return iter_revs
 
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        except _StartNotLinearAncestor:
 
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            # Switch to the slower implementation that may be able to find a
 
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            # non-obvious ancestor out of the left-hand history.
 
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            pass
 
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    iter_revs = _generate_all_revisions(branch, start_rev_id, end_rev_id,
 
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                                        direction, delayed_graph_generation,
 
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                                        exclude_common_ancestry)
 
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    if direction == 'forward':
 
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        iter_revs = _rebase_merge_depth(reverse_by_depth(list(iter_revs)))
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    return iter_revs
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        return [(rev_id, revno_str, 0)]
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def _generate_flat_revisions(branch, start_rev_id, end_rev_id, direction,
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                             exclude_common_ancestry=False):
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    result = _linear_view_revisions(
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        branch, start_rev_id, end_rev_id,
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        exclude_common_ancestry=exclude_common_ancestry)
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    # If a start limit was given and it's not obviously an
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    # ancestor of the end limit, check it before outputting anything
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    if direction == 'forward' or (start_rev_id
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        and not _is_obvious_ancestor(branch, start_rev_id, end_rev_id)):
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        try:
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            result = list(result)
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        except _StartNotLinearAncestor:
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            raise errors.BzrCommandError(gettext('Start revision not found in'
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                ' left-hand history of end revision.'))
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    return result
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def _generate_all_revisions(branch, start_rev_id, end_rev_id, direction,
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                            delayed_graph_generation,
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                            exclude_common_ancestry=False):