util-linux/bash-completion/mkswap

_mkswap_module()
{
	local cur prev OPTS
	COMPREPLY=()
	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"
	case $prev in
		'-p'|'--pagesize')
			COMPREPLY=( $(compgen -W "bytes" -- $cur) )
			return 0
			;;
		'-L'|'--label')
			COMPREPLY=( $(compgen -W "label" -- $cur) )
			return 0
			;;
		'-v'|'--swapversion')
			COMPREPLY=( $(compgen -W "1" -- $cur) )
			return 0
			;;
		'-U'|'--uuid'|'-h'|'--help'|'-V'|'--version')
			return 0
			;;
	esac
	case $cur in
		-*)
			OPTS="-c --check -f --force -p --pagesize -L  --label -v --swapversion -U --uuid -V --version -h --help"
			COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
			return 0
			;;
	esac
	compopt -o filenames
	COMPREPLY=( $(compgen -f -- $cur) )
	return 0
}
complete -F _mkswap_module mkswap