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Committer:
John Arbash Meinel
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Date:
2008-07-11 21:41:24 UTC
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mto:
This revision was merged to the branch mainline in
revision
3543.
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Revision ID:
john@arbash-meinel.com-20080711214124-qi09irlj7pd5cuzg
Shortcut the case when one revision is in the ancestry of the other.
At the cost of a heads() check, when one parent supersedes, we don't have to extract
the text for the other. Changes merge time from 3m37s => 3m21s. Using a
CachingParentsProvider would drop the time down to 3m11s.