# 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 split=false

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

    _split_longopt && split=true

    case $prev in
        -c|--config|-b|--bitmap|--backup-file)
            _filedir
            return 0
            ;;
        -l|--level)
            _mdadm_raid_level
            return 0
            ;;
        -p|--layout|--parity)
            _mdadm_raid_layout
            return 0
            ;;
        -a|--auto)
            _mdadm_auto_flag
            return 0
            ;;
        -U|--update)
            _mdadm_update_flag
            return 0
            ;;
    esac

    $split && return 0

    options='--help --help-options --version --verbose --quiet \
        --brief --force --config --scan --metadata --homehost'

    if [[ "$cur" == -* ]]; then
        if [[ $COMP_CWORD -eq 1 ]] ; then
            COMPREPLY=( $( compgen -W "$options --assemble --build \
                --create --monitor --grow" -- "$cur" ) )
        else
            case ${COMP_WORDS[COMP_CWORD-1]} in
                -A|--assemble)
                    COMPREPLY=( $( compgen -W "$options --uuid \
                        --super-minor --name --force --run \
                        --no-degraded --auto --bitmap --backup-file \
                        --update --auto-update-homehost" -- "$cur" ) )
                    ;;
                -B|-C|-G|--build|--create|--grow)
                    COMPREPLY=( $( compgen -W "$options --raid-devices \
                        --spare-devices --size --chunk --rounding \
                        --level --layout --parity --bitmap \
                        --bitmap-chunk --write-mostly --write-behind \
                        --assume-clean --backup-file --name --run \
                        --force --auto" -- "$cur" ) )
                    ;;
                -F|--follow|--monitor)
                    COMPREPLY=( $( compgen -W "$options --mail --program \
                        --alert --syslog --delay --daemonise \
                        --pid-file --oneshot --test" -- "$cur" ) )

                    ;;
                /dev/*|--add|--fail|--remove)
                    COMPREPLY=( $( compgen -W "$options --add --re-add \
                        --remove --fail --set-faulty" -- "$cur" ) )
                    ;;
                *)
                    COMPREPLY=( $( compgen -W "$options --query --detail \
                        --examine --sparc2.2 --examine-bitmap --run \
                        --stop --readonly --readwrite \
                        --zero-superblock --test" -- "$cur" ) )
                    ;;
            esac
        fi
    else
        cur=${cur:=/dev/}
        _filedir
    fi
}
complete -F _mdadm mdadm
}

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