_bcachefs() {
    local i cur prev opts cmd
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    cmd=""
    opts=""

    for i in ${COMP_WORDS[@]}
    do
        case "${cmd},${i}" in
            ",$1")
                cmd="bcachefs"
                ;;
            bcachefs,completions)
                cmd="bcachefs__completions"
                ;;
            bcachefs,help)
                cmd="bcachefs__help"
                ;;
            bcachefs,list)
                cmd="bcachefs__list"
                ;;
            bcachefs,mount)
                cmd="bcachefs__mount"
                ;;
            bcachefs__help,completions)
                cmd="bcachefs__help__completions"
                ;;
            bcachefs__help,help)
                cmd="bcachefs__help__help"
                ;;
            bcachefs__help,list)
                cmd="bcachefs__help__list"
                ;;
            bcachefs__help,mount)
                cmd="bcachefs__help__mount"
                ;;
            *)
                ;;
        esac
    done

    case "${cmd}" in
        bcachefs)
            opts="-h --help list mount completions help"
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        bcachefs__completions)
            opts="-h --help bash elvish fish powershell zsh"
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        bcachefs__help)
            opts="list mount completions help"
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        bcachefs__help__completions)
            opts=""
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 3 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        bcachefs__help__help)
            opts=""
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 3 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        bcachefs__help__list)
            opts=""
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 3 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        bcachefs__help__mount)
            opts=""
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 3 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        bcachefs__list)
            opts="-b -l -s -e -m -f -c -v -h --btree --level --start --end --mode --fsck --colorize --verbose --help <DEVICES>..."
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --btree)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -b)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --level)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -l)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --start)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -s)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --end)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -e)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --mode)
                    COMPREPLY=($(compgen -W "keys formats nodes nodes-ondisk" -- "${cur}"))
                    return 0
                    ;;
                -m)
                    COMPREPLY=($(compgen -W "keys formats nodes nodes-ondisk" -- "${cur}"))
                    return 0
                    ;;
                --colorize)
                    COMPREPLY=($(compgen -W "true false" -- "${cur}"))
                    return 0
                    ;;
                -c)
                    COMPREPLY=($(compgen -W "true false" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        bcachefs__mount)
            opts="-k -o -c -v -h -V --key-location --colorize --verbose --help --version <DEV> [MOUNTPOINT]"
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --key-location)
                    COMPREPLY=($(compgen -W "none fail wait ask" -- "${cur}"))
                    return 0
                    ;;
                -k)
                    COMPREPLY=($(compgen -W "none fail wait ask" -- "${cur}"))
                    return 0
                    ;;
                -o)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --colorize)
                    COMPREPLY=($(compgen -W "true false" -- "${cur}"))
                    return 0
                    ;;
                -c)
                    COMPREPLY=($(compgen -W "true false" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
    esac
}

complete -F _bcachefs -o bashdefault -o default bcachefs
