Updated it for use with brew

gistfile1.txt

cd /tmp
curl -O http://www.bernhard-baehr.de/sleepwatcher_2.2.tgz
tar -zxvf sleepwatcher_2.2.tgz
cd sleepwatcher_2.2
sudo mkdir -p /usr/local/sbin /usr/local/share/man/man8
sudo cp sleepwatcher /usr/local/sbin
sudo cp sleepwatcher.8 /usr/local/share/man/man8
sudo cp config/de.bernhard-baehr.sleepwatcher-20compatibility.plist /Library/LaunchAgents
sudo cp config/rc.* /etc
echo 'kextunload -b   
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport; kextload -b          
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport' >> /etc/rc.wake