+ '-j[Equivalent to --link-journal=guest.]' \
+ '--read-only[Mount the root file system read only for the container.]' \
+ '--bind=[Bind mount a file or directory from the host into the container.]' \
+ '--bind-ro=[Bind mount a file or directory from the host into the container (read-only).]' \
+ '--setenv=[Specifies an environment variable assignment to pass to the init process in the container, in the format "NAME=VALUE".]' \
+ '--share-system[Allows the container to share certain system facilities with the host.]' \
+ '--register=[Controls whether the container is registered with systemd-machined(8).]' \
+ '--keep-unit[Instead of creating a transient scope unit to run the container in, simply register the service or scope unit systemd-nspawn has been invoked in with systemd-machined(8).]' \
+ '--personality=[Control the architecture ("personality") reported by uname(2) in the container.]' \
+ {--quiet,-q}'[Turns off any status output by the tool itself.]' \
+ {--help,-h}'[Print a short help text and exit.]' \
+ '--version[Print a short version string and exit.]'