tree 04a8d8a2d775e09fb0649378664595ce9045f8d0
parent 245d836a1c86d07c6134c576cf8d50a49e660c8c
author Jaroslav Henner <jhenner@redhat.com> 1347371069 +0200
committer Jaroslav Henner <jhenner@redhat.com> 1347618526 +0200

Fix ssh.Client retval and deadlock danger LP#1038561

Returning tuples is not handy for further checking of error states.
Using exception with exit_status and stderr output as its args instead.

There was a possibility to deadlock when reading only stdout. Solved by
using `select`.

Change-Id: Iead3540a7bd0bfce3ad092620b86ef11b9f0b622