# bash completion for mdadm                                -*- shell-script -*-

_mdadm_raid_level()
{
    local mode

    for ((i = 1; i < cword; i++)); do
        case ${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 < cword; i++)); do
        if [[ ${words[i]} == -@(l|-level) ]]; then
            level=${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 words cword split
    _init_completion -s || return

    case $prev in
        --config | --bitmap | --backup-file | -!(-*)[cb])
            _filedir
            return
            ;;
        --level | -!(-*)l)
            _mdadm_raid_level
            return
            ;;
        --layout | --parity | -!(-*)p)
            _mdadm_raid_layout
            return
            ;;
        --auto | -!(-*)a)
            _mdadm_auto_flag
            return
            ;;
        --update | -!(-*)U)
            _mdadm_update_flag
            return
            ;;
    esac

    $split && return

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

    if [[ $cur == -* ]]; then
        if ((cword == 1)); then
            COMPREPLY=($(compgen -W "$options --assemble --build --create
                --monitor --grow" -- "$cur"))
        else
            case ${words[cword - 1]} in
                --assemble | -!(-*)A*)
                    COMPREPLY=($(compgen -W "$options --uuid= --super-minor=
                        --name= --force --run --no-degraded --auto= --bitmap=
                        --backup-file= --update= --auto-update-homehost" \
                        -- "$cur"))
                    ;;
                --build | --create | --grow | -!(-*)[BCG]*)
                    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=" \
                        -- "$cur"))
                    ;;
                --follow | --monitor | -!(-*)F)
                    COMPREPLY=($(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
        [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
    else
        cur=${cur:=/dev/}
        _filedir
    fi
} &&
    complete -F _mdadm mdadm

# ex: filetype=sh
