migrating to xorg (yum bug)

[seth vidal]

> This looks to me like a bug in yum.  It should not try to be
> interactive if stdin is not coming from tty.  If it should then
> assume automatically an anwer "y" in an absence of other information
> (configuration or a command line) this is a good question.  I would
> be inclined to answer yes to that but it can be argued that this is
> not safe.
> 
> Yes, I know that there is '-y' command line option and
> "assume-yes".

-y is what you're supposed to do and NO assuming yes w/o it explicitly
being passed in as an option is NOT safe. If you're going to piping
output to yum use -y, that's the answer, there.

-sv