fix some rename/copy bugs - delete copy information when we update dirstate hg was keeping the copy state and marking things as copied on multiple commits - files that are renamed should have no parents if you do a rename/copy to an existing file, it should not be marked as descending from its previous revisions. - remove spurious print from filelog.renamed - add some more copy tests

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#!/bin/sh

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hg init

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echo 123 > a

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hg add a

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hg commit -m "first" -d "0 0" a

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mkdir sub

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echo 321 > sub/b

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hg add sub/b

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hg commit -m "second" -d "0 0" sub/b

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cat sub/b

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hg co 0

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cat sub/b

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ls sub

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true