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由 Jeff King 提交于
We currently use static buffers and a static array for formatting the environment passed to the external diff. There's nothing wrong in the code, but it is much easier to verify that it is correct if we use a dynamic argv_array. Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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