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  • Committer: Ian Clatworthy
  • Date: 2009-10-27 09:45:35 UTC
  • mto: (4634.103.1 385879)
  • mto: This revision was merged to the branch mainline in revision 4857.
  • Revision ID: ian.clatworthy@canonical.com-20091027094535-wii07udtqgtsxbp4
Use the working tree for path lookups as Robert suggested. We still need to fall back to the other tree though in the case of files being added.

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doc/developers/diff.txt
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that only certain files should be compared.
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Performance can be further improved by caching comparisons to avoid repeating
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them.  Caching could potentially be performed by ``diff`` and perhaps by
 
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them.  Caching could potentially be performed by ``diff`` and perhaps by 
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``merge``.  Merge is aware of the relationship of a text merge's result to
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the THIS value, and the THIS value is generally the basis value.  So the
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comparison is latent, but present.  The only issue is extracting it.