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  • Hash : b4f5bb07
    Author : Russell Belfer
    Date : 2012-10-23T16:40:51

    Initial implementation of diff rename detection
    
    This implements the basis for diff rename and copy detection,
    although it is based on simple SHA comparison right now instead
    of using a matching algortihm.  Just as `git_diff_merge` can be
    used as a post-pass on diffs to emulate certain command line
    behaviors, there is a new API `git_diff_detect` which will
    update a diff list in-place, adjusting some deltas to RENAMED
    or COPIED state (and also, eventually, splitting MODIFIED deltas
    where the change is too large into DELETED/ADDED pairs).
    
    This also adds a new test repo that will hold rename/copy/split
    scenarios.  Right now, it just has exact-match rename and copy,
    but the tests are written to use tree diffs, so we should be able
    to add new test scenarios easily without breaking tests.