Change Zed theme automatically based on macOS appearance

change-theme.sh

#!/usr/bin/env sh
set -e

dark_theme="Andromeda"
light_theme="Solarized Light"

while true; do
	if defaults read -g AppleInterfaceStyle &>/dev/null; then
		if [ $(< $HOME/.current-theme) = "dark" ]; then
			continue;
		fi
		echo "dark" >| $HOME/.current-theme
		sed -I .bk 's/^\([[:space:]]*\)"theme":\([[:space:]]*\)"[^"]*"/\1"theme":\2"'"${dark_theme}"'"/' ~/.config/zed/settings.json
	else
		if [ $(< $HOME/.current-theme) = "light" ]; then
			continue;
		fi
	
		echo "light" >| $HOME/.current-theme
		sed -I .bk 's/^\([[:space:]]*\)"theme":\([[:space:]]*\)"[^"]*"/\1"theme":\2"'"${light_theme}"'"/' ~/.config/zed/settings.json
	fi
done