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由 Jeff King 提交于
This code handles some special magic like *-deref and the :short formatting specifier. The next patch will add another field which outputs a ref and wants to use the same code. This patch splits the "which ref are we outputting" from the actual formatting. There should be no behavioral change. Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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