"set -e" is already inherited here from make.sh, but explicit is always better than implicit (hence the "set -e" in the first place!)
Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Upstream-commit: b298960aed8155e7dbedb6602cdbb42eacee83f7
Component: engine