deploy.sh

#!/bin/bash
USERNAME=yourusername
PASSWORD=password
REPOSITORY=something

echo "Downloading..."

wget --post-data "login=$USERNAME&password=$PASSWORD" --cookies=on --save-cookies=cookies.txt --keep-session-cookies --no-check-certificate https://github.com/session
wget --cookies=on --load-cookies=cookies.txt --keep-session-cookies --save-cookies=cookies.txt --no-check-certificate https://github.com/$USERNAME/$REPOSITORY/tarball/master
rm *.html
rm *.txt
rm index.*

echo "Unarchiving..."
tar -xzf $USERNAME-$REPOSITORY*.tar.gz
cp -rf $USERNAME-$REPOSITORY*/output/* ./

echo "Cleanng up..."
rm -r $USERNAME-$REPOSITORY*

echo "Done"