tmux-power.tmux

#!/usr/bin/env bash

CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

load_interpolation=(
	"\#{power}"
	)

load_commands=(
	"#($CURRENT_DIR/scripts/display_power.sh)"
	)

get_tmux_option() {
	local option="$1"
	local default_value="$2"
	local option_value="$(tmux show-option -gqv "$option")"
	if [ -z "$option_value" ]; then
		echo "$default_value"
	else
		echo "$option_value"
	fi
}

set_tmux_option() {
	local option=$1
	local value=$2
	tmux set-option -gq "$option" "$value"
}

do_interpolation() {
	local all_interpolated="$1"
	for ((i=0; i<${#load_commands[@]}; i++)); do
		all_interpolated=${all_interpolated/${load_interpolation[$i]}/${load_commands[$i]}}
	done
	echo "$all_interpolated"
}

update_tmux_option() {
	local option=$1
	local option_value=$(get_tmux_option "$option")
	local new_option_value=$(do_interpolation "$option_value")
	set_tmux_option "$option" "$new_option_value"
}

main() {
	update_tmux_option "status-right"
	update_tmux_option "status-left"
}
main