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由 Junio C Hamano 提交于
This goes together with "rev-list --object-edge" change, to feed pack-objects list of edge commits in addition to the usual object list. Upon seeing such list, pack-objects loosens the usual "self contained delta" constraints, and can produce delta against blobs and trees contained in the edge commits without storing the delta base objects themselves. The resulting packfile is not usable in .git/object/packs, but is a good way to implement "delta-only" transfer. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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