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  • Hash : ad9a921b
    Author : Russell Belfer
    Date : 2012-11-08T17:05:07

    Rework checkout with new strategy options
    
    This is a major reworking of checkout strategy options.  The
    checkout code is now sensitive to the contents of the HEAD tree
    and the new options allow you to update the working tree so that
    it will match the index content only when it previously matched
    the contents of the HEAD.  This allows you to, for example, to
    distinguish between removing files that are in the HEAD but not
    in the index, vs just removing all untracked files.
    
    Because of various corner cases that arise, etc., this required
    some additional capabilities in rmdir and other utility functions.
    
    This includes the beginnings of an implementation of code to read
    a partial tree into the index based on a pathspec, but that is
    not enabled because of the possibility of creating conflicting
    index entries.