Mini Shell

_fsfreeze_module()
{
	local cur prev OPTS
	COMPREPLY=()
	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"
	case $prev in
		'-h'|'--help'|'-V'|'--version')
			return 0
			;;
	esac
	case $cur in
		-*)
			OPTS="--freeze --unfreeze --help --version"
			COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
			return 0
			;;
	esac
	local MPOINT
	MPOINT="$(findmnt -t ext2,ext3,ext4,reiserfs,jfs,xfs -o TARGET -n -r)"
	COMPREPLY=( $(compgen -W "$MPOINT" -- $cur) )
	return 0
}
complete -F _fsfreeze_module fsfreeze