CentOS - Nov 2010 - yum/RPM behaviour: does yum/RPM overwrite a file modified by a user during an update ?

Hi,

On our cluster with CentOS 5.5, I have a little problem with a script
for infiniband (this problem:
http://web.archiveorange.com/archive/v/NUQmuN84gd3D31Fdl8PU). So the fix
a very easy. But what will yum/RPM do during the next update ? Will it
overwrite the file ? Will it write on display that the file was modified
by an user (as under debian) ?

Thx a lot,
Best regards,
Guillaume

> a very easy. But what will yum/RPM do during the next update ? Will it
> overwrite the file ? Will it write on display that the file was modified
> by an user (as under debian) ?
>
As far as I can tell, if the file is marked as a configuration file in 
the RPM, it will be left alone and the new configuration file will be 
renamed to file.rpmnew. If the file is not marked as a configuration 
file, it will be overwritten.

Regards,

Gabriel