Issues with yum

[Bruno Wolff III]

On Mon, Feb 27, 2012 at 08:00:56 -0800,
  John Reiser <jreiser at bitwagon.com> wrote:
> 
> That behavior (no response to ^C [SIGINT] within 5 seconds) is a bug.
> It's a _transaction_, right?  So either it completes successfully,
> or fails with no apparent lasting effects (except log files, delay, etc.)
> So yum should: respond immediately on stderr, abort the transaction
> (roll back everything to the state before the transaction began),
> and terminate with failure status.  Because the original request
> is for a transaction, then yum *must* be able to abort and rollback
> anyway, to recover from I/O errors [and such errors _do_ happen.]
> So, act as if ^C [SIGINT] is an I/O error.

I don't believe yum has a way to roll back transactions reliably.