declare-option -docstring %{
    Format string passed to printf for the bufferlist.
    It should be set in the global scope.

    It receives two string arguments, where the first is the buffer index,
    and the second is the buffer name.

    Default: '[%s %s]'
} str bar_active_fmt '[%s %s]'
declare-option -docstring %{
    Format string passed to printf for the bufferlist.
    It should be set in the global scope.

    It receives two string arguments, where the first is the buffer index,
    and the second is the buffer name.

    Default: '[%s %s]+'
} str bar_active_modified_fmt '[%s %s]+'
declare-option -docstring %{
    Format string passed to printf for the bufferlist.
    It should be set in the global scope.

    It receives two string arguments, where the first is the buffer index,
    and the second is the buffer name.

    Default: '%s %s'
} str bar_inactive_fmt '%s %s'
define-command -hidden bar-buflist %{
    evaluate-commands %sh{
        # starttime=$(date +%s.%N)
        list=''
        while read buf; do
            if [ "$buf" = '*debug*' ]; then
                continue
            fi
            index=$(($index + 1))
            if [ "$buf" = "$kak_bufname" ]; then
                if [ "$kak_modified" = "true" ]; then
                    cur=$(printf "$kak_opt_bar_active_modified_fmt" "$index" "$buf")
                else
                    cur=$(printf "$kak_opt_bar_active_fmt" "$index" "$buf")
                fi
            else
                cur=$(printf "$kak_opt_bar_inactive_fmt" "$index" "$buf")
            fi
            list="$list $cur"
        done <<<$(printf '%s\n' "$kak_buflist" | perl -nE 'say for /(\*[^*]+\*|\S+)/g')
        title="$list - $kak_client@[$kak_session]"
        # endtime=$(date +%s.%N)
        printf "set-option -add global ui_options %%{terminal_title=%s}\n" "$title"
        # printf "info 'time elapsed: %s ms'" "$(echo "$endtime - $starttime" | bc -l)"
    }
}

hook global WinDisplay .* bar-buflist
hook global FocusIn .* bar-buflist
hook global FocusOut .* bar-buflist
hook global WinCreate .* bar-buflist
hook global BufWritePost .* bar-buflist
hook global ModeChange .* bar-buflist