- --help[=FMT] (default=auto)
- Show this help in format FMT. The value FMT must be one of
auto, pager, groff or plain. With auto,
the format is pager or plain whenever the TERM env
var is dumb or undefined.
- --version
- Show version information.
dune internal exits with:
- 0
- on success.
- 1
- if an error happened.
- 130
- if it was interrupted by a signal.