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由 Nicolas Pitre 提交于
The low-level diff code will happily produce totally bogus diff output with a broken repository via format-patch and friends by treating missing objects as empty files. Let's prevent that from happening any longer. Reported-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: NNicolas Pitre <nico@fluxnic.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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