[Libguestfs] [PATCH 0/2] Make appliance building thread-safe (RHBZ#790721).
These two patches make appliance building thread-safe. The first adds
a test which easily demonstrates the problem. The second fixes the
issue.
For more information see Ian McLeod's analysis of the bug here:
https://bugzilla.redhat.com/show_bug.cgi?id=790528#c5
Rich.