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由 Dennis Stosberg 提交于
lock_ref_sha1_basic relies on errno beeing set to EISDIR by the call to read() in resolve_ref() to detect directories. But calling read() on a directory under NetBSD returns EPERM, and even succeeds for local filesystems on FreeBSD. Signed-off-by: NDennis Stosberg <dennis@stosberg.net> Signed-off-by: NJunio C Hamano <junkio@cox.net>
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