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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-09-01 08:02:42 UTC
  • mfrom: (5390.3.3 faster-revert-593560)
  • Revision ID: pqm@pqm.ubuntu.com-20100901080242-esg62ody4frwmy66
(spiv) Avoid repeatedly calling self.target.all_file_ids() in
 InterTree.iter_changes. (Andrew Bennetts)

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bzrlib/missing.py
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from bzrlib import (
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    log,
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    repository as _mod_repository,
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    tsort,
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    )
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import bzrlib.revision as _mod_revision
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    if not ancestry: #Empty ancestry, no need to do any work
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        return []
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    mainline_revs, rev_nos, start_rev_id, end_rev_id = log._get_mainline_revs(
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        branch, None, tip_revno)
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    if not mainline_revs:
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        return []
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    # This asks for all mainline revisions, which is size-of-history and
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    # should be addressed (but currently the only way to get correct
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    # revnos).
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    # mainline_revisions always includes an extra revision at the
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    # beginning, so don't request it.
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    parent_map = dict(((key, value) for key, value
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                       in graph.iter_ancestry(mainline_revs[1:])
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                       if value is not None))
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    # filter out ghosts; merge_sort errors on ghosts.
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    # XXX: is this needed here ? -- vila080910
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    rev_graph = _mod_repository._strip_NULL_ghosts(parent_map)
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    # XXX: what if rev_graph is empty now ? -- vila080910
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    merge_sorted_revisions = tsort.merge_sort(rev_graph, tip,
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                                              mainline_revs,
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                                              generate_revno=True)
 
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    merge_sorted_revisions = branch.iter_merge_sorted_revisions()
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    # Now that we got the correct revnos, keep only the relevant
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    # revisions.
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    merge_sorted_revisions = [
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        (s, revid, n, d, e) for s, revid, n, d, e in merge_sorted_revisions
 
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        # log.reverse_by_depth expects seq_num to be present, but it is
 
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        # stripped by iter_merge_sorted_revisions()
 
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        (0, revid, n, d, e) for revid, n, d, e in merge_sorted_revisions
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        if revid in ancestry]
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    if not backward:
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        merge_sorted_revisions = log.reverse_by_depth(merge_sorted_revisions)