/etc/hosts patch generator (based on StevenBlack repo)

host-patcher.sh

#!/bin/bash

BLOCK="gambling porn fakenews social"
EXCEPT=""

cp hosts hosts.new

# Base
echo "blocking adware + malware..."
curl -s "https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts" | sed -ne '/# Start StevenBlack/,$p' >> hosts.new

# More
for v in $BLOCK; do
	echo "blocking $v..."
	curl -s "https://raw.githubusercontent.com/StevenBlack/hosts/master/alternates/$v/hosts" | sed -ne '/# Start StevenBlack/,$p' >> hosts.new
done;

# Exceptions
for v in $EXCEPT; do
	echo "adding exception - $v..."
	grep -v "$v" hosts.new | sponge hosts.new
done;

diff -u hosts hosts.new > hosts.patch
echo "use hosts.patch"