# -*- mode: shell-script; sh-basic-offset: 8; indent-tabs-mode: t -*-
# ex: ts=8 sw=8 noet filetype=sh
#
# bash completion for mdadm

have mdadm && {
_mdadm_raid_level()
{
	local mode

	for (( i=1; i < COMP_CWORD; i++ )); do
		case ${COMP_WORDS[i]} in
			-@(C|-create))
				mode=create
				break
				;;
			-@(B|-build))
				mode=build
				break
				;;
		esac
	done

	case $mode in
		create)
			COMPREPLY=( $( compgen -W 'linear raid0 0 stripe raid1 1 mirror raid4 4 raid5 5 raid6 6 raid10 10 multipath mp faulty' -- "$cur" ) )
			;;
		build)
			COMPREPLY=( $( compgen -W 'linear stripe raid0 0 raid1 multipath mp faulty' -- "$cur" ) )
			;;
	esac
}

_mdadm_raid_layout()
{
	local level
	for (( i=1; i < COMP_CWORD; i++ )); do
		if [[ "${COMP_WORDS[i]}" == -@(l|-level) ]]; then
			level=${COMP_WORDS[i+1]}
			break
		fi
	done

	case $level in
		raid5)
			COMPREPLY=( $( compgen -W 'left-asymmetric left-symmetric right-asymmetric right-symmetric la ra ls rs' -- "$cur" ) )
			;;
		raid10)
			COMPREPLY=( $( compgen -W 'n o p' -- "$cur" ) )
			;;
		faulty)
			COMPREPLY=( $( compgen -W 'write-transient wt read-transient rt write-persistent wp read-persistent rp write-all read-fixable rf clear flush none' -- $cur ) )
			;;
	esac
}

_mdadm_auto_flag()
{
	COMPREPLY=( $( compgen -W 'no yes md mdp part p' -- "$cur" ) )
}

_mdadm_update_flag()
{
	COMPREPLY=( $( compgen -W 'sparc2.2 summaries uuid name homehost resync byteorder super-minor' -- "$cur" ) )
}


_mdadm()
{
	local cur prev mode options

	COMPREPLY=()
	cur=`_get_cword`
	prev=${COMP_WORDS[COMP_CWORD-1]}

	# --name value style option
	case $prev in
		-@(c|b))
			_filedir
			return 0
			;;
		-l)
			_mdadm_raid_level
			return 0
			;;
		-p)
			_mdadm_raid_layout
			return 0
			;;
		-a)
			_mdadm_auto_flag
			return 0
			;;
		-U)
			_mdadm_update_flag
			return 0
			;;
	esac

	# --name=value style option
	if [[ "$cur" == *=* ]]; then
		prev=${cur/=*/}
		cur=${cur/*=/}
		case "$prev" in
		--@(config|bitmap|backup-file))
			_filedir
			return 0
			;;
		--level)
			_mdadm_raid_level
			return 0
			;;
		--@(layout|parity))
			_mdadm_raid_layout
			return 0
			;;
		--auto)
			_mdadm_auto_flag
			return 0
			;;
		--update)
			_mdadm_update_flag
			return 0
			;;
		esac
	fi

        options='-h --help --help-options -V --version -v --verbose -q --quiet -b --brief -f --force -c --config= -s --scan -e --metadata= --homehost='

	if [[ "$cur" == -* ]]; then
		if [[ $COMP_CWORD -eq 1 ]] ; then
			COMPREPLY=( $( compgen -W "$options -A --assemble -B --build -C --create -F --follow --monitor -G --grow" -- "$cur" ) )
		else
			case ${COMP_WORDS[COMP_CWORD-1]} in
				-@(A|-assemble))
					COMPREPLY=( $( compgen -W "$options -u --uuid= -m --super-minor= -N --name= -f --force -R --run --no-degraded -a --auto -b --bitmap= --backup-file= -U --update= --auto-update-homehost" -- "$cur" ) )
					;;
				-@(B|C|G|-build|-create|-grow))
					COMPREPLY=( $( compgen -W "$options -n --raid-devices= -x --spare-devices= -z --size= -c --chunk= --rounding= -l --level= -p --layout= --parity= -b --bitmap= --bitmap-chunk= -W --write-mostly --write-behind= --assume-clean --backup-file= -N --name= -R --run -f --force -a --auto" -- "$cur" ) )
					;;
				-@(F|-follow|-monitor))
					COMPREPLY=( $( compgen -W "$options -m --mail -p --program --alert -y --syslog -d --delay -f --daemonise -i --pid-file -1 --oneshot -t --test" -- "$cur" ) )

					;;
				@(/dev/*|--add|--fail|--remove))
					COMPREPLY=( $( compgen -W "$options -a --add --re-add -r --remove -f --fail --set-faulty" -- "$cur" ) )
					;;
				*)
					COMPREPLY=( $( compgen -W "$options -Q --query -D --detail -E --examine --sparc2.2 -X --examine-bitmap -R --run -S --stop -o --readonly -w --readwrite --zero-superblock -t --test" -- "$cur" ) )
					;;
			esac
		fi
	else
		cur=${cur:=/dev/}
		_filedir
	fi
}
complete -F _mdadm mdadm
}