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由 Jeff King 提交于
We remove duplicate entries from the list of refs we are fed in fetch-pack. The original algorithm is quadratic over the number of refs, but since the list is now guaranteed to be sorted, we can do it in linear time. Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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