Re: Doing a preinstallation check

[Paul Nasrat <pnasrat redhat com>]

On Wed, 2006-07-26 at 12:01 -0700, Joe Van Dyk wrote:
> Hi,
> 
> Say I want to run a command before installing an RPM.  If the command
> fails, the RPM should not install.  If I was installing multiple RPMs
> at the same time and that command inside that RPM failed, none of the
> RPMs would install.
> 
> Is that an appropriate use of the %preinstall (or is is %pre) section?
> 

Is it not something you can express as a dependency - eg 

Requires: /path/to/some/command

Paul