[Yum-devel] [PATCH 2/4] use pipe instead of tempfiles.. ~5% speedup

[Zdenek Pavlas]

> > Could be fixed either by select()ing, or updating worker.py
> > to always print errors on stdout (would prefer that)
> 
>  That we can't do due to things like ./run_cmd > /dev/null ... which
> should print errors.

Ok, implemented correct select()ing, added comments, and pushed.