MRTOOLS_OPTS_COMMON="-h --help --version --no-color -a --anonymous -C --client-name"

_mrtools_core()
{
	local cur cmds cmds_in

	COMPREPLY=()
	cur=${COMP_WORDS[COMP_CWORD]}

	cmds="$MRTOOLS_CMDS"

	# This is array intersection implemented in bash. I probably do it Wrong,
	# but this is a script in *bash*, so please have mercy on me.
	cmds_in=$( comm -12 <(echo "${cmds[@]}" | sed -e's/ /\n/g' | sort) <(echo "${COMP_WORDS[@]}" | sed -e's/ /\n/g' | sort) )

	if [[ -z "$cmds_in" ]]; then
		if [[ "$cur" =~ -.* ]]; then
			COMPREPLY=( $( compgen -W "$MRTOOLS_OPTS_COMMON" -- $cur ) );
		else
			COMPREPLY=( $( compgen -W "$cmds" -- $cur ) );
		fi
	fi
	
	return 0

}

_mrlist()
{
	MRTOOLS_CMDS="add expand info inverse members ownerships remove rename set setdesc setowner setmemacl snapshot"
	_mrtools_core
}

_mrfilesys()
{
	MRTOOLS_CMDS="info"
	_mrtools_core
}

_mruser()
{
	MRTOOLS_CMDS="info ownerships"
	_mrtools_core
}

complete -F _mrlist mrlist
complete -F _mrfilesys mrfilesys
complete -F _mruser mruser