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From: "Sergey Y. Afonin" <asy@altlinux.ru>
To: ALT Linux Team development discussions <devel@lists.altlinux.org>
Date: Thu, 6 May 2010 15:51:24 +0400
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Subject: Re: [devel] upgrade directory to symlink
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On Thursday 06 May 2010, Денис Смирнов wrote:

> MSG> [ -d %_datadir/hello ] && rm -rf %_datadir/hello
> 
> И, наверное, стоит еще проверять версию пакета, и делать такое только при
> обновлении.

Не надо, надо просто проверить, что оно каталог, а не симлинк. Как-то так,
что ли:

[ -d %_datadir/hello ] && {
    [ -L %_datadir/hello ] || mv %_datadir/hello %_datadir/hello.bak
}

-- 
С уважением, Сергей Афонин
asy@altlinux.ru