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由 Shawn O. Pearce 提交于
I started hacking on a change to add stdout redirection support to the run_command family, but found I was using a lot of close calls on two pipes in an array (such as for pipe). So I'm doing a tiny bit of refactoring first to make the next set of changes clearer. Signed-off-by: NShawn O. Pearce <spearce@spearce.org> Signed-off-by: NJunio C Hamano <junkio@cox.net>
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