set -e

export container=docker

if [ -d /sys/kernel/security ] && ! mountpoint -q /sys/kernel/security; then

mount -t securityfs none /sys/kernel/security || {

echo >&2 'Could not mount /sys/kernel/security.'

echo >&2 'AppArmor detection and --privileged mode might break.'

}

if ! mountpoint -q /tmp; then

mount -t tmpfs none /tmp

if [ $# -gt 0 ]; then

exec "$@"

echo >&2 'ERROR: No command specified.'

echo >&2 'You probably want to run hack/make.sh, or maybe a shell?'