_just() {
    local i cur prev words cword opts cmd
    COMPREPLY=()

    # Modules use "::" as the separator, which is considered a wordbreak character in bash.
    # The _get_comp_words_by_ref function is a hack to allow for exceptions to this rule without
    # modifying the global COMP_WORDBREAKS environment variable.
    if type _get_comp_words_by_ref &>/dev/null; then
        _get_comp_words_by_ref -n : cur prev words cword
    else
        cur="${COMP_WORDS[COMP_CWORD]}"
        prev="${COMP_WORDS[COMP_CWORD-1]}"
        words=$COMP_WORDS
        cword=$COMP_CWORD
    fi

    cmd=""
    opts=""

    for i in ${words[@]}
    do
        case "${cmd},${i}" in
            ",$1")
                cmd="just"
                ;;
            *)
                ;;
        esac
    done

    case "${cmd}" in
        "$1")
            opts="-n -f -q -u -v -d -c -e -l -s -E -g -h -V --check --chooser --color --command-color --yes --dry-run --dump-format --highlight --list-heading --list-prefix --no-aliases --no-deps --no-dotenv --no-highlight --justfile --quiet --set --shell --shell-arg --shell-command --clear-shell-args --unsorted --unstable --verbose --working-directory --changelog --choose --command --completions --dump --edit --evaluate --fmt --init --list --groups --man --show --summary --variables --dotenv-filename --dotenv-path --global-justfile --help --version [ARGUMENTS]..."
                if [[ ${cur} == -* ]] ; then
                    COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                    return 0
                elif [[ ${cword} -eq 1 ]]; then
                    local recipes=$(just --summary 2> /dev/null)

                    if echo "${cur}" | \grep -qF '/'; then
                        local path_prefix=$(echo "${cur}" | sed 's/[/][^/]*$/\//')
                        local recipes=$(just --summary 2> /dev/null -- "${path_prefix}")
                        local recipes=$(printf "${path_prefix}%s\t" $recipes)
                    fi

                    if [[ $? -eq 0 ]]; then
                        COMPREPLY=( $(compgen -W "${recipes}" -- "${cur}") )
                        if type __ltrim_colon_completions &>/dev/null; then
                            __ltrim_colon_completions "$cur"
                        fi
                        return 0
                    fi
                fi
            case "${prev}" in
                --chooser)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --color)
                    COMPREPLY=($(compgen -W "auto always never" -- "${cur}"))
                    return 0
                    ;;
                --command-color)
                    COMPREPLY=($(compgen -W "black blue cyan green purple red yellow" -- "${cur}"))
                    return 0
                    ;;
                --dump-format)
                    COMPREPLY=($(compgen -W "just json" -- "${cur}"))
                    return 0
                    ;;
                --list-heading)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --list-prefix)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --justfile)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -f)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --set)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --shell)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --shell-arg)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --working-directory)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -d)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --command)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -c)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --completions)
                    COMPREPLY=($(compgen -W "bash elvish fish powershell zsh" -- "${cur}"))
                    return 0
                    ;;
                --show)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -s)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --dotenv-filename)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --dotenv-path)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -E)
                    COMPREPLY=($(compgen -f "${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 _just -o nosort -o bashdefault -o default just
else
    complete -F _just -o bashdefault -o default just
fi