bspwm: Change resize ratio of current focused node (or node's parent)

change_ratio.sh

#!/bin/sh

# Get the current non-leaf focused node
NODE=$(bspc query -N -n focused.\!leaf)

if [ $? -ne 0 ]; then
	# No non-leaf, then select parent of focused node
	NODE=$(bspc query -N -n @parent)
fi

# Get Ratio
RATIO=$(bspc query -T -n $NODE | awk 'match($0, /"splitRatio":(0.[1-9]+)/, ary) {print ary[1]}')

# Select new Ratio
NEWRATIO=0.15
if [ $RATIO = '0.15' ]; then
	NEWRATIO=0.25
elif [ $RATIO = '0.25' ]; then
	NEWRATIO=0.5
elif [ $RATIO = '0.5' ]; then
	NEWRATIO=0.75
elif [ $RATIO = '0.75' ]; then
	NEWRATIO=0.85
fi

# Apply new ratio
bspc node $NODE -r $NEWRATIO