Re: Get the command in the rpm spec

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On Fri, Nov 15, 2013 at 04:27:27AM -0500, Zheng, Wendy wrote:

> I'm a newbie in RPM. I'm working on making a RPM package which only
> one instance is allowed to install on users machine. Then I need to check
> whether there is other version of the software installed on the machine
> before installation (I'm writing some scripts in %pre section). Then
> I use the $1 variable to check for it. But I notice that no matter the
> user is running "rpm -i" command or "rpm -U", $1 will always return 2
> (if there is already one instance installed on the machine). But in
> fact I only need to stop the user when he's running "rpm -i", because
> "rpm -U" will remove the old versions after install.
>   Then my question is, how can I know which command ("rpm -i" or
> "rpm -U") the user is using in the rpm spec? Or do  you have any other
> suggestion?

You don't need to check this (and you shoudn't).  Normally, only one
instance of a package is allowed.  There can be exceptions: see the
descriptions of "installonlypkgs" and "installonly_limit" in the
yum.conf manual page.

-- 
--    Jos Vos <jos@xxxxxx>
--    X/OS Experts in Open Systems BV   |   Phone: +31 20 6938364
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