#!/bin/sh

if [ "x$1" = "x" ]; then
	echo "Usage: $0 <Tarball URL>"
	exit 1
fi

if [ -e "source" ]; then
	echo "source/ directory already exists, remove it first"
	exit 1
fi

curl -L "$1" | tar -xzf -
mv caddy* source

# Disable telemetry in run.go and rename to Cadmium
patch -d source -p1 <"$(pwd)/patches/run.go.diff"

# Replace telemetry with a stub
rm -r source/telemetry
mkdir source/telemetry
cp patches/collection.go source/telemetry/collection.go