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Viewing changes to bzrlib/tsort.py

(Jelmer) Fix a smal bug in Inventory.copy()

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bzrlib/tsort.py
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                    revno = parent_revno[:-1] + (parent_revno[-1] + 1,)
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            else:
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                # no parents, use the root sequence
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                root_count = revno_to_branch_count.get(0, 0)
 
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                root_count = revno_to_branch_count.get(0, -1)
 
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                root_count += 1
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                if root_count:
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                    revno = (0, root_count, 1)
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                else:
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                    revno = (1,)
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                root_count += 1
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                revno_to_branch_count[0] = root_count
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            # store the revno for this node for future reference