/brz/remove-bazaar

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  • Committer: John Arbash Meinel
  • Date: 2009-04-21 23:54:16 UTC
  • mto: (4300.1.7 groupcompress_info)
  • mto: This revision was merged to the branch mainline in revision 4301.
  • Revision ID: john@arbash-meinel.com-20090421235416-f0cz6ilf5cufbugi
Fix bug #364900, properly remove the 64kB that was just encoded in the copy.
Also, stop supporting None as a copy length in 'encode_copy_instruction'.
It was only used by the test suite, and it is good to pull that sort of thing out of
production code. (Besides, setting the copy to 64kB has the same effect.)

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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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    merge_sorted_revisions = branch.iter_merge_sorted_revisions()
 
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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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    # 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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        # 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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        (s, revid, n, d, e) for s, 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)