_nickel() {
    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="nickel"
                ;;
            nickel,doc)
                cmd="nickel__doc"
                ;;
            nickel,eval)
                cmd="nickel__eval"
                ;;
            nickel,export)
                cmd="nickel__export"
                ;;
            nickel,format)
                cmd="nickel__format"
                ;;
            nickel,gen-completions)
                cmd="nickel__gen__completions"
                ;;
            nickel,help)
                cmd="nickel__help"
                ;;
            nickel,pprint-ast)
                cmd="nickel__pprint__ast"
                ;;
            nickel,query)
                cmd="nickel__query"
                ;;
            nickel,repl)
                cmd="nickel__repl"
                ;;
            nickel,typecheck)
                cmd="nickel__typecheck"
                ;;
            nickel__help,doc)
                cmd="nickel__help__doc"
                ;;
            nickel__help,eval)
                cmd="nickel__help__eval"
                ;;
            nickel__help,export)
                cmd="nickel__help__export"
                ;;
            nickel__help,format)
                cmd="nickel__help__format"
                ;;
            nickel__help,gen-completions)
                cmd="nickel__help__gen__completions"
                ;;
            nickel__help,help)
                cmd="nickel__help__help"
                ;;
            nickel__help,pprint-ast)
                cmd="nickel__help__pprint__ast"
                ;;
            nickel__help,query)
                cmd="nickel__help__query"
                ;;
            nickel__help,repl)
                cmd="nickel__help__repl"
                ;;
            nickel__help,typecheck)
                cmd="nickel__help__typecheck"
                ;;
            *)
                ;;
        esac
    done

    case "${cmd}" in
        nickel)
            opts="-h -V --color --error-format --metrics --help --version eval pprint-ast export query typecheck repl doc format gen-completions help"
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        nickel__doc)
            opts="-o -I -h --output --stdout --format --import-path --field --color --error-format --metrics --help [FILES]..."
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --output)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -o)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --format)
                    COMPREPLY=($(compgen -W "json markdown" -- "${cur}"))
                    return 0
                    ;;
                --import-path)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -I)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --field)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        nickel__eval)
            opts="-I -h --import-path --field --color --error-format --metrics --help [FILES]... [CUSTOMIZE_MODE]..."
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --import-path)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -I)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --field)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        nickel__export)
            opts="-f -o -I -h --format --output --import-path --field --color --error-format --metrics --help [FILES]... [CUSTOMIZE_MODE]..."
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --format)
                    COMPREPLY=($(compgen -W "raw json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                -f)
                    COMPREPLY=($(compgen -W "raw json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                --output)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -o)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --import-path)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -I)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --field)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        nickel__format)
            opts="-I -h --import-path --color --error-format --metrics --help [FILES]..."
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --import-path)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -I)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        nickel__gen__completions)
            opts="-h --color --error-format --metrics --help bash elvish fish powershell zsh"
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        nickel__help)
            opts="eval pprint-ast export query typecheck repl doc format gen-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
            ;;
        nickel__help__doc)
            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
            ;;
        nickel__help__eval)
            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
            ;;
        nickel__help__export)
            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
            ;;
        nickel__help__format)
            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
            ;;
        nickel__help__gen__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
            ;;
        nickel__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
            ;;
        nickel__help__pprint__ast)
            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
            ;;
        nickel__help__query)
            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
            ;;
        nickel__help__repl)
            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
            ;;
        nickel__help__typecheck)
            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
            ;;
        nickel__pprint__ast)
            opts="-I -h --transform --import-path --color --error-format --metrics --help [FILES]..."
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --import-path)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -I)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        nickel__query)
            opts="-I -h --doc --contract --type --default --value --import-path --field --color --error-format --metrics --help [FILES]..."
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --import-path)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -I)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --field)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        nickel__repl)
            opts="-h --history-file --color --error-format --metrics --help"
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --history-file)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
        nickel__typecheck)
            opts="-I -h --import-path --color --error-format --metrics --help [FILES]..."
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --import-path)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -I)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --error-format)
                    COMPREPLY=($(compgen -W "text json yaml toml" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
    esac
}

if [[ "${BASH_VERSINFO[0]}" -eq 4 && "${BASH_VERSINFO[1]}" -ge 4 || "${BASH_VERSINFO[0]}" -gt 4 ]]; then
    complete -F _nickel -o nosort -o bashdefault -o default nickel
else
    complete -F _nickel -o bashdefault -o default nickel
fi
