OS X dark mode hook for Redshift. Set DARK_MODE to the path to https://github.com/sindresorhus/dark-mode

dark-mode-hook.sh

#!/bin/sh
DARK_MODE=/path/to/dark-mode
case $1 in
    period-changed)
        case $3 in
            daytime)
                $DARK_MODE --mode Light
                ;;
            night)
                $DARK_MODE --mode Dark
                ;;
        esac
        ;;
esac