/brz/remove-bazaar

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Viewing changes to bzrlib/merge.py

  • Committer: Robert Collins
  • Date: 2009-08-26 03:20:32 UTC
  • mfrom: (4637 +trunk)
  • mto: (4634.6.2 2.0)
  • mto: This revision was merged to the branch mainline in revision 4660.
  • Revision ID: robertc@robertcollins.net-20090826032032-mx5kiog3eihaoy13
Merge and cherrypick outstanding 2.0 relevant patches from bzr.dev: Up to rev
4637, then 4639,4641,4643,4646,4649,4650,4651. (Robert Collins)

Log messages of the incorporated fixes:

revno: 4651 [merge]
  (robertc) Enable commit via record_iter_changes for specific file
        comments. (Robert Collins)

revno: 4650 [merge]
  Fix shelve on windows. (Robert Collins, #305006)

revno: 4649 [merge]
  (robertc) Make iter_changes produce output that is always safe to
        generate inventory deltas of in the same direction as the
        changes. (Robert Collins, #347649)

revno: 4646 [merge]
  (mbp) developer documentation about content filtering

revno: 4643 [merge]
  (mbp) small tweaks to release documentation

revno: 4641 [merge]
  (abentley) Shelve will not remove tree root.

revno: 4639 [merge]
  (andrew) Fix 'Revision ... not present' errors when upgrading stacked
        branches.

revno: 4637 [merge]
  Fix upgrade of branches in repositories.

revno: 4636 [merge]
  (mbp) fix crash formatting CannotBindAddress

revno: 4635 [merge]
  (robertc) Fix many locking errors on windows due to a small bug in
        merge.transform_tree. (Robert Collins)

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Lines of Context:
bzrlib/merge.py
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def transform_tree(from_tree, to_tree, interesting_ids=None):
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    merge_inner(from_tree.branch, to_tree, from_tree, ignore_zero=True,
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                interesting_ids=interesting_ids, this_tree=from_tree)
 
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    from_tree.lock_tree_write()
 
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    try:
 
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        merge_inner(from_tree.branch, to_tree, from_tree, ignore_zero=True,
 
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                    interesting_ids=interesting_ids, this_tree=from_tree)
 
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    finally:
 
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        from_tree.unlock()
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class Merger(object):
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        self._is_criss_cross = None
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        self._lca_trees = None
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    def cache_trees_with_revision_ids(self, trees):
 
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        """Cache any tree in trees if it has a revision_id."""
 
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        for maybe_tree in trees:
 
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            if maybe_tree is None:
 
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                continue
 
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            try:
 
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                rev_id = maybe_tree.get_revision_id()
 
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            except AttributeError:
 
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                continue
 
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            self._cached_trees[rev_id] = maybe_tree
 
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    @property
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    def revision_graph(self):
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        if self._revision_graph is None:
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    get_revision_id = getattr(base_tree, 'get_revision_id', None)
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    if get_revision_id is None:
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        get_revision_id = base_tree.last_revision
 
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    merger.cache_trees_with_revision_ids([other_tree, base_tree, this_tree])
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    merger.set_base_revision(get_revision_id(), this_branch)
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    return merger.do_merge()
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