Kirill Smelkov 1df4320fa2 diffcore-order: export generic ordering interface ...

diffcore_order() interface only accepts a queue of `struct
diff_filepair`.

In the next patches, we'll want to order `struct combine_diff_path`
by path, so let's first rework diffcore-order to also provide
generic low-level interface for ordering arbitrary objects, provided
they have path accessors.

The new interface is:

    - `struct obj_order`    for describing objects to ordering routine, and
    - order_objects()       for actually doing the ordering work.

Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2014-02-24 14:44:57 -08:00

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