show current language layout in i3blocks

i3-layout.conf

# add this line to i3 config file
# change us,ir based on your language layout
exec --no-startup-id "setxkbmap -layout us,ir -option 'grp:ctrl_alt_toggle'"

i3blocks-layout.conf

[language]
interval=persist
command=~/.i3/language-layout.sh

language-layout.sh

killall kbdd 2>/dev/null
kbdd >/dev/null || exit 1

# Get initial state of layout
N=$( dbus-send --print-reply=literal --dest=ru.gentoo.KbddService\
    /ru/gentoo/KbddService ru.gentoo.kbdd.getCurrentLayout 2>/dev/null |\
    sed -un 's/^.*uint32 //p' )

# In case dbus service wasn't available yet, poll until service is ready
while [[ -z "$N" ]]; do
    sleep .1
    N=$( dbus-send --print-reply=literal --dest=ru.gentoo.KbddService\
        /ru/gentoo/KbddService ru.gentoo.kbdd.getCurrentLayout 2>/dev/null |\
        sed -un 's/^.*uint32 //p' )
done
echo $( dbus-send --print-reply=literal --dest=ru.gentoo.KbddService \
	/ru/gentoo/KbddService ru.gentoo.kbdd.getLayoutName uint32:$N )

# Parse dbus output
dbus-monitor "interface='ru.gentoo.kbdd',member='layoutNameChanged'" |\
	sed -un '0~2p' | sed -un 's:.*string "\(.*\)".*:\1:p'  | sed -u '/:/d'