Surge for Mac 的相关 function，实现快速添加规则，快速配置适合 Surge for Mac 的网络配置，以及还原网络配置。

surge.sh

# Surge for Mac. Portnumber is 6152.
function surge_add() {
	if [ "$1" == "--proxy" -o "$1" == "-p" -o "$1" == "--direct" -o "$1" == "-d" ]; then
		if [ "$(cat ~/.surge.conf | grep -c $2)" -eq 0 ]; then
			if [ "$1" == "--proxy" -o "$1" == "-p" ]; then
				sed -i '' -e '539i \
				DOMAIN-SUFFIX,'$2',Proxy' ~/.surge.conf;
			fi;
			if [ "$1" == "--direct" -o "$1" == "-d" ]; then
				sed -i '' -e '539i \
				DOMAIN-SUFFIX,'$2',DIRECT' ~/.surge.conf;
			fi;
			osascript -e 'tell application "Surge" to quit';
			osascript -e 'run application "/Applications/Surge.app/"';
		else
			echo '"'"$2"'"'' already exists.';
			cat ~/.surge.conf | grep $2;
		fi;
	else
		echo "usage: surge_add [--proxy|-p|--direct|-d] [URL].";
	fi
}

function surge_on() {
	sudo -v;
	DEVICE=$(saveIFS="$IFS"
	IFS='
	'
	services=( $(networksetup -listallnetworkservices | sed '/An asterisk ([*]) denotes that a network service is disabled./d; s/^[*]//') )
	IFS="$saveIFS"
	for i in "${services[@]}"; do
		if [ $(networksetup getinfo $i | grep -c "IP address:\W[1-9]") -eq 1 ]; then
			echo $i
		fi
	done
	);
	sudo networksetup -setwebproxy ${DEVICE%,*} 127.0.0.1 6152;
	sudo networksetup -setsecurewebproxy ${DEVICE%,*} 127.0.0.1 6152;
	sudo networksetup -setwebproxystate ${DEVICE%,*} on;
	sudo networksetup -setsecurewebproxystate ${DEVICE%,*} on;
	sudo networksetup -setproxybypassdomains ${DEVICE%,*} 127.0.0.1 192.168.0.0/16 10.0.0.0/8 172.16.0.0/12 localhost *.local;
	osascript -e 'run application "/Applications/Surge.app/"';
}

function surge_off() {
	sudo -v;
	DEVICE=$(saveIFS="$IFS"
	IFS='
	'
	services=( $(networksetup -listallnetworkservices | sed '/An asterisk ([*]) denotes that a network service is disabled./d; s/^[*]//') )
	IFS="$saveIFS"
	for i in "${services[@]}"; do
		if [ $(networksetup getinfo $i | grep -c "IP address:\W[1-9]") -eq 1 ]; then
			echo $i
		fi
	done
	);
	sudo networksetup -setwebproxystate ${DEVICE%,*} off;
	sudo networksetup -setsecurewebproxystate ${DEVICE%,*} off;
	sudo networksetup -setproxybypassdomains ${DEVICE%,*} null;
	osascript -e 'tell application "Surge" to quit';
}