Generate Ubuntu Trusty container that will boot under systemd-nspawn

gentrusty.sh

#!/usr/bin/env bash

function __main
{
        local -r path="$(realpath "${1:-.}")"
        debootstrap --variant=buildd trusty "$1" http://archive.ubuntu.com/ubuntu/
        patch --unified "$path/etc/init/console.conf" <<'EOF'
@@ -3,7 +3,8 @@
 # This service maintains a getty on console from the point the system is
 # started until it is shut down again.
 
-start on stopped rc RUNLEVEL=[2345] and container CONTAINER=lxc
+start on stopped rc RUNLEVEL=[2345] and (container CONTAINER=lxc or
+                                         container CONTAINER=systemd-nspawn)
 
 stop on runlevel [!2345]
EOF
        path --unified "$path/etc/shadow" <<'EOF'
@@ -1,4 +1,4 @@
-root:*:16730:0:99999:7:::
+root::16730:0:99999:7:::
 daemon:*:16730:0:99999:7:::
 bin:*:16730:0:99999:7:::
 sys:*:16730:0:99999:7:::
EOF
}

__main "$@"

exit "$!"