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  • Hash : 94fb4aad
    Author : Russell Belfer
    Date : 2014-04-28T14:48:41

    Add diff option to update index stat cache
    
    When diff is scanning the working directory, if it finds a file
    where it is not sure if the index entry matches the working dir,
    it will recalculate the OID (which is pretty expensive).  This
    adds a new flag to diff so that if the OID calculation finds that
    the file actually has not changed (i.e. just the modified time was
    altered or such), then it will refresh the stat cache in the index
    so that future calls to diff will not have to check the oid again.