#!/bin/sh

set -efu

readonly current=$(gsettings get org.gnome.desktop.interface color-scheme)
case $current in
    "'prefer-light'")
        gsettings set org.gnome.desktop.interface color-scheme 'prefer-dark'
        ;;
    "'prefer-dark'")
        gsettings set org.gnome.desktop.interface color-scheme 'prefer-light'
        ;;
    *)
        printf "Unknown value '$current'" ;;
esac