Heroku versioning on a Node.js project with Jade.

deploy.sh

#!/bin/bash

#Update Version Number
version=$((`heroku releases | sed -n 2p | awk '{print substr($1,2); }'` + 1))

echo Updating JADE Version Number...
sed "s/'.*'/'$version'/" ./views/version.jade > version.tmp
mv version.tmp ./views/version.jade

#Deploy
echo Deploying Version: $version

git commit -a -m 'Deployment Build'

#GitHub
echo Deploying To Github...
git push origin master

#Heroku
echo Deploying To Heroku...
git push heroku master