Fix traceback when nothing was added during unbundle The changegroup and commit hook are now run only when something is modified. The correct number of changesets added is printed.

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#!/bin/sh

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mkdir t

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cd t

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hg init

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echo a > a

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hg add a

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hg commit -m "test" -d "0 0"

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hg verify

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hg parents

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hg status

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hg undo

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hg verify

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hg parents

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hg status